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Interpretation of Sections 15 and 16. + + If the disclaimer of warranty and limitation of liability provided +above cannot be given local legal effect according to their terms, +reviewing courts shall apply local law that most closely approximates +an absolute waiver of all civil liability in connection with the +Program, unless a warranty or assumption of liability accompanies a +copy of the Program in return for a fee. + diff --git a/vendor/leafo/lessphp/Makefile b/vendor/leafo/lessphp/Makefile new file mode 100644 index 00000000..a5d262cd --- /dev/null +++ b/vendor/leafo/lessphp/Makefile @@ -0,0 +1,7 @@ + +test: + phpunit --colors tests + +release: + ./package.sh + diff --git a/vendor/leafo/lessphp/README.md b/vendor/leafo/lessphp/README.md new file mode 100644 index 00000000..1379ddce --- /dev/null +++ b/vendor/leafo/lessphp/README.md @@ -0,0 +1,96 @@ +[![Build Status](https://travis-ci.org/leafo/lessphp.svg?branch=master)](https://travis-ci.org/leafo/lessphp) + +# lessphp v0.5.0 +### + +`lessphp` is a compiler for LESS written in PHP. The documentation is great, +so check it out: . + +Here's a quick tutorial: + +### How to use in your PHP project + +The only file required is `lessc.inc.php`, so copy that to your include directory. + +The typical flow of **lessphp** is to create a new instance of `lessc`, +configure it how you like, then tell it to compile something using one built in +compile methods. + +The `compile` method compiles a string of LESS code to CSS. + +```php +compile(".block { padding: 3 + 4px }"); +``` + +The `compileFile` method reads and compiles a file. It will either return the +result or write it to the path specified by an optional second argument. + +```php +compileFile("input.less"); +``` + +The `compileChecked` method is like `compileFile`, but it only compiles if the output +file doesn't exist or it's older than the input file: + +```php +checkedCompile("input.less", "output.css"); +``` + +If there any problem compiling your code, an exception is thrown with a helpful message: + +```php +compile("invalid LESS } {"); +} catch (exception $e) { + echo "fatal error: " . $e->getMessage(); +} +``` + +The `lessc` object can be configured through an assortment of instance methods. +Some possible configuration options include [changing the output format][1], +[setting variables from PHP][2], and [controlling the preservation of +comments][3], writing [custom functions][4] and much more. It's all described +in [the documentation][0]. + + + [0]: http://leafo.net/lessphp/docs/ + [1]: http://leafo.net/lessphp/docs/#output_formatting + [2]: http://leafo.net/lessphp/docs/#setting_variables_from_php + [3]: http://leafo.net/lessphp/docs/#preserving_comments + [4]: http://leafo.net/lessphp/docs/#custom_functions + + +### How to use from the command line + +An additional script has been included to use the compiler from the command +line. In the simplest invocation, you specify an input file and the compiled +css is written to standard out: + + $ plessc input.less > output.css + +Using the -r flag, you can specify LESS code directly as an argument or, if +the argument is left off, from standard in: + + $ plessc -r "my less code here" + +Finally, by using the -w flag you can watch a specified input file and have it +compile as needed to the output file: + + $ plessc -w input-file output-file + +Errors from watch mode are written to standard out. + +The -f flag sets the [output formatter][1]. For example, to compress the +output run this: + + $ plessc -f=compressed myfile.less + +For more help, run `plessc --help` + diff --git a/vendor/leafo/lessphp/composer.json b/vendor/leafo/lessphp/composer.json new file mode 100644 index 00000000..0f06ba09 --- /dev/null +++ b/vendor/leafo/lessphp/composer.json @@ -0,0 +1,25 @@ +{ + "name": "leafo/lessphp", + "type": "library", + "description": "lessphp is a compiler for LESS written in PHP.", + "homepage": "http://leafo.net/lessphp/", + "license": [ + "MIT", + "GPL-3.0" + ], + "authors": [ + { + "name": "Leaf Corcoran", + "email": "leafot@gmail.com", + "homepage": "http://leafo.net" + } + ], + "autoload": { + "classmap": ["lessc.inc.php"] + }, + "extra": { + "branch-alias": { + "dev-master": "0.4.x-dev" + } + } +} diff --git a/vendor/leafo/lessphp/docs/docs.md b/vendor/leafo/lessphp/docs/docs.md new file mode 100644 index 00000000..112dc2ee --- /dev/null +++ b/vendor/leafo/lessphp/docs/docs.md @@ -0,0 +1,1400 @@ + title: v0.5.0 documentation + link_to_home: true +-- + +

Documentation v0.5.0

+ +
$index
+ +**lessphp** is a compiler that generates CSS from a superset language which +adds a collection of convenient features often seen in other languages. All CSS +is compatible with LESS, so you can start using new features with your existing CSS. + +It is designed to be compatible with [less.js](http://lesscss.org), and suitable +as a drop in replacement for PHP projects. + +## Getting Started + +The homepage for **lessphp** can be found at [http://leafo.net/lessphp/][1]. + +You can follow development at the project's [GitHub][2]. + +Including **lessphp** in your project is as simple as dropping the single +include file into your code base and running the appropriate compile method as +described in the [PHP Interface](#php_interface). + + [1]: http://leafo.net/lessphp "lessphp homepage" + [2]: https://github.com/leafo/lessphp "lessphp GitHub page" + +## Installation + +**lessphp** is distributed entirely in a single stand-alone file. Download the +latest version from either [the homepage][1] or [GitHub][2]. + +Development versions can also be downloading from GitHub. + +Place `lessphp.inc.php` in a location available to your PHP scripts, and +include it. That's it! you're ready to begin. + +## The Language + +**lessphp** is very easy to learn because it generally functions how you would +expect it to. If you feel something is challenging or missing, feel free to +open an issue on the [bug tracker](https://github.com/leafo/lessphp/issues). + +It is also easy to learn because any standards-compliant CSS code is valid LESS +code. You are free to gradually enhance your existing CSS code base with LESS +features without having to worry about rewriting anything. + +The following is a description of the new languages features provided by LESS. + +### Line Comments + +Simple but very useful; line comments are started with `//`: + + ```less + // this is a comment + body { + color: red; // as is this + /* block comments still work also */ + } + ``` + +### Variables + +Variables are identified with a name that starts with `@`. To declare a +variable, you create an appropriately named CSS property and assign it a value: + + ```less + @family: "verdana"; + @color: red; + body { + @mycolor: red; + font-family: @family; + color: @color; + border-bottom: 1px solid @color; + } + ``` + +Variable declarations will not appear in the output. Variables can be declared +in the outer most scope of the file, or anywhere else a CSS property may +appear. They can hold any CSS property value. + +Variables are only visible for use from their current scope, or any enclosed +scopes. + +If you have a string or keyword in a variable, you can reference another +variable by that name by repeating the `@`: + + ```less + @value: 20px; + @value_name: "value"; + + width: @@value_name; + ``` + +### Expressions + +Expressions let you combine values and variables in meaningful ways. For +example you can add to a color to make it a different shade. Or divide up the +width of your layout logically. You can even concatenate strings. + +Use the mathematical operators to evaluate an expression: + + ```less + @width: 960px; + .nav { + width: @width / 3; + color: #001 + #abc; + } + .body { + width: 2 * @width / 3; + font-family: "hel" + "vetica"; + } + ``` + +Parentheses can be used to control the order of evaluation. They can also be +used to force an evaluation for cases where CSS's syntax makes the expression +ambiguous. + +The following property will produce two numbers, instead of doing the +subtraction: + + ```less + margin: 10px -5px; + ``` + +To force the subtraction: + + ```less + margin: (10px -5px); + ``` + +It is also safe to surround mathematical operators by spaces to ensure that +they are evaluated: + + ```less + margin: 10px - 5px; + ``` + +Division has a special quirk. There are certain CSS properties that use the `/` +operator as part of their value's syntax. Namely, the [font][4] shorthand and +[border-radius][3]. + + [3]: https://developer.mozilla.org/en/CSS/border-radius + [4]: https://developer.mozilla.org/en/CSS/font + + +Thus, **lessphp** will ignore any division in these properties unless it is +wrapped in parentheses. For example, no division will take place here: + + ```less + .font { + font: 20px/80px "Times New Roman"; + } + ``` + +In order to force division we must wrap the expression in parentheses: + + ```less + .font { + font: (20px/80px) "Times New Roman"; + } + ``` + +If you want to write a literal `/` expression without dividing in another +property (or a variable), you can use [string unquoting](#string_unquoting): + + ```less + .var { + @size: ~"20px/80px"; + font: @size sans-serif; + } + ``` + +### Nested Blocks + +By nesting blocks we can build up a chain of CSS selectors through scope +instead of repeating them. In addition to reducing repetition, this also helps +logically organize the structure of our CSS. + + ```less + ol.list { + li.special { + border: 1px solid red; + } + + li.plain { + font-weight: bold; + } + } + ``` + + +This will produce two blocks, a `ol.list li.special` and `ol.list li.plain`. + +Blocks can be nested as deep as required in order to build a hierarchy of +relationships. + +The `&` operator can be used in a selector to represent its parent's selector. +If the `&` operator is used, then the default action of appending the parent to +the front of the child selector separated by space is not performed. + + ```less + b { + a & { + color: red; + } + + // the following have the same effect + + & i { + color: blue; + } + + i { + color: blue; + } + } + ``` + + +Because the `&` operator respects the whitespace around it, we can use it to +control how the child blocks are joined. Consider the differences between the +following: + + ```less + div { + .child-class { color: purple; } + + &.isa-class { color: green; } + + #child-id { height: 200px; } + + &#div-id { height: 400px; } + + &:hover { color: red; } + + :link { color: blue; } + } + ``` + +The `&` operator also works with [mixins](#mixins), which produces interesting results: + + ```less + .within_box_style() { + .box & { + color: blue; + } + } + + #menu { + .within_box_style; + } + ``` + +### Mixins + +Any block can be mixed in just by naming it: + + ```less + .mymixin { + color: blue; + border: 1px solid red; + + .special { + font-weight: bold; + } + } + + + h1 { + font-size: 200px; + .mymixin; + } + ``` + +All properties and child blocks are mixed in. + +Mixins can be made parametric, meaning they can take arguments, in order to +enhance their utility. A parametric mixin all by itself is not outputted when +compiled. Its properties will only appear when mixed into another block. + +The canonical example is to create a rounded corners mixin that works across +browsers: + + ```less + .rounded-corners(@radius: 5px) { + border-radius: @radius; + -webkit-border-radius: @radius; + -moz-border-radius: @radius; + } + + .header { + .rounded-corners(); + } + + .info { + background: red; + .rounded-corners(14px); + } + ``` + +If you have a mixin that doesn't have any arguments, but you don't want it to +show up in the output, give it a blank argument list: + + ```less + .secret() { + font-size: 6000px; + } + + .div { + .secret; + } + ``` + +If the mixin doesn't need any arguments, you can leave off the parentheses when +mixing it in, as seen above. + +You can also mixin a block that is nested inside other blocks. You can think of +the outer block as a way of making a scope for your mixins. You just list the +names of the mixins separated by spaces, which describes the path to the mixin +you want to include. Optionally you can separate them by `>`. + + ```less + .my_scope { + .some_color { + color: red; + .inner_block { + text-decoration: underline; + } + } + .bold { + font-weight: bold; + color: blue; + } + } + + .a_block { + .my_scope .some_color; + .my_scope .some_color .inner_block; + } + + .another_block { + // the alternative syntax + .my_scope > .bold; + } + ``` + + +#### Mixin Arguments + +When declaring a mixin you can specify default values for each argument. Any +argument left out will be given the default value specified. Here's the +syntax: + +```less +.mix(@color: red, @height: 20px, @pad: 12px) { + border: 1px solid @color; + height: @height - @pad; + padding: @pad; +} + +.default1 { + .mix(); +} + +.default2 { + .mix(blue); +} + +.default3 { + .mix(blue, 40px, 5px); +} +``` + +Additionally, you can also call a mixin using the argument names, this is +useful if you want to replace a specific argument while having all the others +take the default regardless of what position the argument appears in. The +syntax looks something like this: + + +```lessbasic +div { + .my_mixin(@paddding: 4px); // @color and @height get default values + .my_mixin(@paddding: 4px, @height: 50px); // you can specify them in any order +} +``` + +You can also combine the ordered arguments with the named ones: + +```lessbasic +div { + // @color is blue, @padding is 4px, @height is default + .my_mixin(blue, @padding: 4px); +} +``` + +Mixin arguments can be delimited with either a `,` or `;`, but only one can be +active at once. This means that each argument is separated by either `,` or +`;`. By default `,` is the delimiter, in all the above examples we used a `,`. + +A problem arises though, sometimes CSS value lists are made up with commas. In +order to be able to pass a comma separated list literal we need to use `;` as +the delimiter. (You don't need to worry about this if your list is stored in a +variable) + +If a `;` appears anywhere in the argument list, then it will be used as the +argument delimiter, and all commas we be used as part of the argument values. + +Here's a basic example: + +```less +.fancy_mixin(@box_shadow, @color: blue) { + border: 1px solid @color; + box-shadow: @box_shadow; +} + + +div { + // two arguments passed separated by ; + .fancy_mixin(2px 2px, -2px -2px; red); +} + +pre { + // one argument passed, ends in ; + .fancy_mixin(inset 4px 4px, -2px 2px;); +} + +``` + +If we only want to pass a single comma separated value we still need to use +`;`, to do this we stick it on the end as demonstrated above. + + +#### `@arguments` Variable + +Within an mixin there is a special variable named `@arguments` that contains +all the arguments passed to the mixin along with any remaining arguments that +have default values. The value of the variable has all the values separated by +spaces. + +This useful for quickly assigning all the arguments: + + ```less + .box-shadow(@x, @y, @blur, @color) { + box-shadow: @arguments; + -webkit-box-shadow: @arguments; + -moz-box-shadow: @arguments; + } + .menu { + .box-shadow(1px, 1px, 5px, #aaa); + } + ``` + +In addition to the arguments passed to the mixin, `@arguments` will also include +remaining default values assigned by the mixin: + + + ```less + .border-mixin(@width, @style: solid, @color: black) { + border: @arguments; + } + + pre { + .border-mixin(4px, dotted); + } + + ``` + + +#### Pattern Matching + +When you *mix in* a mixin, all the available mixins of that name in the current +scope are checked to see if they match based on what was passed to the mixin +and how it was declared. + +The simplest case is matching by number of arguments. Only the mixins that +match the number of arguments passed in are used. + + ```less + .simple() { // matches no arguments + height: 10px; + } + + .simple(@a, @b) { // matches two arguments + color: red; + } + + .simple(@a) { // matches one argument + color: blue; + } + + div { + .simple(10); + } + + span { + .simple(10, 20); + } + ``` + +Whether an argument has default values is also taken into account when matching +based on number of arguments: + + ```less + // matches one or two arguments + .hello(@a, @b: blue) { + height: @a; + color: @b; + } + + .hello(@a, @b) { // matches only two + width: @a; + border-color: @b; + } + + .hello(@a) { // matches only one + padding: 1em; + } + + div { + .hello(10px); + } + + pre { + .hello(10px, yellow); + } + ``` + +Additionally, a *vararg* value can be used to further control how things are +matched. A mixin's argument list can optionally end in the special argument +named `...`. The `...` may match any number of arguments, including 0. + + ```less + // this will match any number of arguments + .first(...) { + color: blue; + } + + // matches at least 1 argument + .second(@arg, ...) { + height: 200px + @arg; + } + + div { .first("some", "args"); } + pre { .second(10px); } + ``` + +If you want to capture the values that get captured by the *vararg* you can +give it a variable name by putting it directly before the `...`. This variable +must be the last argument defined. It's value is just like the special +[`@arguments` variable](#arguments_variable), a space separated list. + + + ```less + .hello(@first, @rest...) { + color: @first; + text-shadow: @rest; + } + + span { + .hello(red, 1px, 1px, 0px, white); + } + + ``` + +Another way of controlling whether a mixin matches is by specifying a value in +place of an argument name when declaring the mixin: + + ```less + .style(old, @size) { + font: @size serif; + } + + .style(new, @size) { + font: @size sans-serif; + } + + .style(@_, @size) { + letter-spacing: floor(@size / 6px); + } + + em { + @switch: old; + .style(@switch, 15px); + } + ``` + +Notice that two of the three mixins were matched. The mixin with a matching +first argument, and the generic mixin that matches two arguments. It's common +to use `@_` as the name of a variable we intend to not use. It has no special +meaning to LESS, just to the reader of the code. + +#### Guards + +Another way of restricting when a mixin is mixed in is by using guards. A guard +is a special expression that is associated with a mixin declaration that is +evaluated during the mixin process. It must evaluate to true before the mixin +can be used. + +We use the `when` keyword to begin describing a list of guard expressions. + +Here's a simple example: + + ```less + .guarded(@arg) when (@arg = hello) { + color: blue; + } + + div { + .guarded(hello); // match + } + + span { + .guarded(world); // no match + } + ``` +Only the `div`'s mixin will match in this case, because the guard expression +requires that `@arg` is equal to `hello`. + +We can include many different guard expressions by separating them by commas. +Only one of them needs to match to trigger the mixin: + + ```less + .x(@a, @b) when (@a = hello), (@b = world) { + width: 960px; + } + + div { + .x(hello, bar); // match + } + + span { + .x(foo, world); // match + } + + pre { + .x(foo, bar); // no match + } + ``` + +Instead of a comma, we can use `and` keyword to make it so all of the guards +must match in order to trigger the mixin. `and` has higher precedence than the +comma. + + ```less + .y(@a, @b) when (@a = hello) and (@b = world) { + height: 600px; + } + + div { + .y(hello, world); // match + } + + span { + .y(hello, bar); // no match + } + ``` + +Commas and `and`s can be mixed and matched. + +You can also negate a guard expression by using `not` in from of the parentheses: + + ```less + .x(@a) when not (@a = hello) { + color: blue; + } + + div { + .x(hello); // no match + } + ``` + +The `=` operator is used to check equality between any two values. For numbers +the following comparison operators are also defined: + +`<`, `>`, `=<`, `>=` + +There is also a collection of predicate functions that can be used to test the +type of a value. + +These are `isnumber`, `iscolor`, `iskeyword`, `isstring`, `ispixel`, +`ispercentage` and `isem`. + + ```less + .mix(@a) when (ispercentage(@a)) { + height: 500px * @a; + } + .mix(@a) when (ispixel(@a)) { + height: @a; + } + + div.a { + .mix(50%); + } + + div.a { + .mix(350px); + } + ``` + +#### !important + +If you want to apply the `!important` suffix to every property when mixing in a +mixin, just append `!important` to the end of the call to the mixin: + + ```less + .make_bright { + color: red; + font-weight: bold; + } + + .color { + color: green; + } + + body { + .make_bright() !important; + .color(); + } + + ``` + +### Selector Expressions + +Sometimes we want to dynamically generate the selector of a block based on some +variable or expression. We can do this by using *selector expressions*. Selector +expressions are CSS selectors that are evaluated in the current scope before +being written out. + +A simple example is a mixin that dynamically creates a selector named after the +mixin's argument: + + ```less + .create-selector(@name) { + @{name} { + color: red; + } + } + + .create-selector(hello); + .create-selector(world); + ``` + +The string interpolation syntax works inside of selectors, letting you insert varaibles. + +Here's an interesting example adapted from Twitter Bootstrap. A couple advanced +things are going on. We are using [Guards](#guards) along with a recursive +mixin to work like a loop to generate a series of CSS blocks. + + + ```less + // create our recursive mixin: + .spanX (@index) when (@index > 0) { + .span@{index} { + width: @index * 100px; + } + .spanX(@index - 1); + } + .spanX (0) {} + + // mix it into the global scopee: + .spanX(4); + ``` + +### Import + +Multiple LESS files can be compiled into a single CSS file by using the +`@import` statement. Be careful, the LESS import statement shares syntax with +the CSS import statement. If the file being imported ends in a `.less` +extension, or no extension, then it is treated as a LESS import. Otherwise it +is left alone and outputted directly: + + ```lessbasic + // my_file.less + .some-mixin(@height) { + height: @height; + } + + // main.less + @import "main.less" // will import the file if it can be found + @import "main.css" // will be left alone + + body { + .some-mixin(400px); + } + ``` + +All of the following lines are valid ways to import the same file: + + ```lessbasic + @import "file"; + @import 'file.less'; + @import url("file"); + @import url('file'); + @import url(file); + ``` + +When importing, the `importDir` is searched for files. This can be configured, +see [PHP Interface](#php_interface). + +A file is only imported once. If you try to include the same file multiple +times all the import statements after the first produce no output. + +### String Interpolation + +String interpolation is a convenient way to insert the value of a variable +right into a string literal. Given some variable named `@var_name`, you just +need to write it as `@{var_name}` from within the string to have its value +inserted: + + ```less + @symbol: ">"; + h1:before { + content: "@{symbol}: "; + } + + h2:before { + content: "@{symbol}@{symbol}: "; + } + ``` + +There are two kinds of strings, implicit and explicit strings. Explicit strings +are wrapped by double quotes, `"hello I am a string"`, or single quotes `'I am +another string'`. Implicit strings only appear when using `url()`. The text +between the parentheses is considered a string and thus string interpolation is +possible: + + ```less + @path: "files/"; + body { + background: url(@{path}my_background.png); + } + ``` + +### String Format Function + +The `%` function can be used to insert values into strings using a *format +string*. It works similar to `printf` seen in other languages. It has the +same purpose as string interpolation above, but gives explicit control over +the output format. + + ```less + @symbol: ">"; + h1:before { + content: %("%s: ", @symbol); + } + ``` + +The `%` function takes as its first argument the format string, following any +number of addition arguments that are inserted in place of the format +directives. + +A format directive starts with a `%` and is followed by a single character that +is either `a`, `d`, or `s`: + + ```less + strings: %("%a %d %s %a", hi, 1, 'ok', 'cool'); + ``` + +`%a` and `%d` format the value the same way: they compile the argument to its +CSS value and insert it directly. When used with a string, the quotes are +included in the output. This typically isn't what we want, so we have the `%s` +format directive which strips quotes from strings before inserting them. + +The `%d` directive functions the same as `%a`, but is typically used for numbers +assuming the output format of numbers might change in the future. + +### String Unquoting + +Sometimes you will need to write proprietary CSS syntax that is unable to be +parsed. As a workaround you can place the code into a string and unquote it. +Unquoting is the process of outputting a string without its surrounding quotes. +There are two ways to unquote a string. + +The `~` operator in front of a string will unquote that string: + + ```less + .class { + // a made up, but problematic vendor specific CSS + filter: ~"Microsoft.AlphaImage(src='image.png')"; + } + ``` + +If you are working with other types, such as variables, there is a built in +function that let's you unquote any value. It is called `e`. + + ```less + @color: "red"; + .class { + color: e(@color); + } + ``` + +### Built In Functions + +**lessphp** has a collection of built in functions: + +* `e(str)` -- returns a string without the surrounding quotes. + See [String Unquoting](#string_unquoting) + +* `floor(number)` -- returns the floor of a numerical input +* `round(number, [precision])` -- returns the rounded value of numerical input with optional precision + +* `lighten(color, percent)` -- lightens `color` by `percent` and returns it +* `darken(color, percent)` -- darkens `color` by `percent` and returns it + +* `saturate(color, percent)` -- saturates `color` by `percent` and returns it +* `desaturate(color, percent)` -- desaturates `color` by `percent` and returns it + +* `fadein(color, percent)` -- makes `color` less transparent by `percent` and returns it +* `fadeout(color, percent)` -- makes `color` more transparent by `percent` and returns it + +* `spin(color, amount)` -- returns a color with `amount` degrees added to hue + +* `fade(color, amount)` -- returns a color with the alpha set to `amount` + +* `hue(color)` -- returns the hue of `color` + +* `saturation(color)` -- returns the saturation of `color` + +* `lightness(color)` -- returns the lightness of `color` + +* `alpha(color)` -- returns the alpha value of `color` or 1.0 if it doesn't have an alpha + +* `percentage(number)` -- converts a floating point number to a percentage, e.g. `0.65` -> `65%` + +* `mix(color1, color1, percent)` -- mixes two colors by percentage where 100% + keeps all of `color1`, and 0% keeps all of `color2`. Will take into account + the alpha of the colors if it exists. See + . + +* `contrast(color, dark, light)` -- if `color` has a lightness value greater + than 50% then `dark` is returned, otherwise return `light`. + +* `extract(list, index)` -- returns the `index`th item from `list`. The list is + `1` indexed, meaning the first item's index is 1, the second is 2, and etc. + +* `pow(base, exp)` -- returns `base` raised to the power of `exp` + +* `pi()` -- returns pi + +* `mod(a,b)` -- returns `a` modulus `b` + +* `tan(a)` -- returns tangent of `a` where `a` is in radians + +* `cos(a)` -- returns cosine of `a` where `a` is in radians + +* `sin(a)` -- returns sine of `a` where `a` is in radians + +* `atan(a)` -- returns arc tangent of `a` + +* `acos(a)` -- returns arc cosine of `a` + +* `asin(a)` -- returns arc sine of `a` + +* `sqrt(a)` -- returns square root of `a` + +* `rgbahex(color)` -- returns a string containing 4 part hex color. + + This is used to convert a CSS color into the hex format that IE's filter + method expects when working with an alpha component. + + ```less + .class { + @start: rgbahex(rgba(25, 34, 23, .5)); + @end: rgbahex(rgba(85, 74, 103, .6)); + // abridged example + -ms-filter: + e("gradient(start=@{start},end=@{end})"); + } + ``` + +## PHP Interface + +When working with **lessphp** from PHP, the typical flow is to create a new +instance of `lessc`, configure it how you like, then tell it to compile +something using one built in compile methods. + +Methods: + +* [`compile($string)`](#compiling[) -- Compile a string + +* [`compileFile($inFile, [$outFile])`](#compiling) -- Compile a file to another or return it + +* [`checkedCompile($inFile, $outFile)`](#compiling) -- Compile a file only if it's newer + +* [`cachedCompile($cacheOrFile, [$force])`](#compiling_automatically) -- Conditionally compile while tracking imports + +* [`setFormatter($formatterName)`](#output_formatting) -- Change how CSS output looks + +* [`setPreserveComments($keepComments)`](#preserving_comments) -- Change if comments are kept in output + +* [`registerFunction($name, $callable)`](#custom_functions) -- Add a custom function + +* [`unregisterFunction($name)`](#custom_functions) -- Remove a registered function + +* [`setVariables($vars)`](#setting_variables_from_php) -- Set a variable from PHP + +* [`unsetVariable($name)`](#setting_variables_from_php) -- Remove a PHP variable + +* [`setImportDir($dirs)`](#import_directory) -- Set the search path for imports + +* [`addImportDir($dir)`](#import_directory) -- Append directory to search path for imports + + +### Compiling + +The `compile` method compiles a string of LESS code to CSS. + + ```php + compile(".block { padding: 3 + 4px }"); + ``` + +The `compileFile` method reads and compiles a file. It will either return the +result or write it to the path specified by an optional second argument. + + ```php + echo $less->compileFile("input.less"); + ``` + +The `compileChecked` method is like `compileFile`, but it only compiles if the output +file doesn't exist or it's older than the input file: + + ```php + $less->checkedCompile("input.less", "output.css"); + ``` + +See [Compiling Automatically](#compiling_automatically) for a description of +the more advanced `cachedCompile` method. + +### Output Formatting + +Output formatting controls the indentation of the output CSS. Besides the +default formatter, two additional ones are included and it's also easy to make +your own. + +To use a formatter, the method `setFormatter` is used. Just +pass the name of the formatter: + + ```php + $less = new lessc; + + $less->setFormatter("compressed"); + echo $less->compile("div { color: lighten(blue, 10%) }"); + ``` + +In this example, the `compressed` formatter is used. The formatters are: + + * `lessjs` *(default)* -- Same style used in LESS for JavaScript + + * `compressed` -- Compresses all the unrequired whitespace + + * `classic` -- **lessphp**'s original formatter + +To revert to the default formatter, call `setFormatter` with a value of `null`. + +#### Custom Formatter + +The easiest way to customize the formatter is to create your own instance of an +existing formatter and alter its public properties before passing it off to +**lessphp**. The `setFormatter` method can also take an instance of a +formatter. + +Each of the formatter names corresponds to a class with `lessc_formatter_` +prepended in front of it. Here the classic formatter is customized to use tabs +instead of spaces: + + + ```php + $formatter = new lessc_formatter_classic; + $formatter->indentChar = "\t"; + + $less = new lessc; + $less->setFormatter($formatter); + echo $less->compileFile("myfile.less"); + ``` + +For more information about what can be configured with the formatter consult +the source code. + +### Preserving Comments + +By default, all comments in the source LESS file are stripped when compiling. +You might want to keep the `/* */` comments in the output though. For +example, bundling a license in the file. + +Enable or disable comment preservation by calling `setPreserveComments`: + + ```php + $less = new lessc; + $less->setPreserveComments(true); + echo $less->compile("/* hello! */"); + ``` + +Comments are disabled by default because there is additional overhead, and more +often than not they aren't needed. + + +### Compiling Automatically + +Often, you want to only compile a LESS file only if it has been modified since +last compile. This is very important because compiling is performance intensive +and you should avoid a recompile if it possible. + +The `checkedCompile` compile method will do just that. It will check if the +input file is newer than the output file, or if the output file doesn't exist +yet, and compile only then. + + ```php + $less->checkedCompile("input.less", "output.css"); + ``` + +There's a problem though. `checkedCompile` is very basic, it only checks the +input file's modification time. It is unaware of any files from `@import`. + + +For this reason we also have `cachedCompile`. It's slightly more complex, but +gives us the ability to check changes to all files including those imported. It +takes one argument, either the name of the file we want to compile, or an +existing *cache object*. Its return value is an updated cache object. + +If we don't have a cache object, then we call the function with the name of the +file to get the initial cache object. If we do have a cache object, then we +call the function with it. In both cases, an updated cache object is returned. + +The cache object keeps track of all the files that must be checked in order to +determine if a rebuild is required. + +The cache object is a plain PHP `array`. It stores the last time it compiled in +`$cache["updated"]` and output of the compile in `$cache["compiled"]`. + +Here we demonstrate creating an new cache object, then using it to see if we +have a recompiled version available to be written: + + + ```php + $inputFile = "myfile.less"; + $outputFile = "myfile.css"; + + $less = new lessc; + + // create a new cache object, and compile + $cache = $less->cachedCompile($inputFile); + + file_put_contents($outputFile, $cache["compiled"]); + + // the next time we run, write only if it has updated + $last_updated = $cache["updated"]; + $cache = $less->cachedCompile($cache); + if ($cache["updated"] > $last_updated) { + file_put_contents($outputFile, $cache["compiled"]); + } + + ``` + +In order for the system to fully work, we must save cache object between +requests. Because it's a plain PHP `array`, it's sufficient to +[`serialize`](http://php.net/serialize) it and save it the string somewhere +like a file or in persistent memory. + +An example with saving cache object to a file: + + ```php + function autoCompileLess($inputFile, $outputFile) { + // load the cache + $cacheFile = $inputFile.".cache"; + + if (file_exists($cacheFile)) { + $cache = unserialize(file_get_contents($cacheFile)); + } else { + $cache = $inputFile; + } + + $less = new lessc; + $newCache = $less->cachedCompile($cache); + + if (!is_array($cache) || $newCache["updated"] > $cache["updated"]) { + file_put_contents($cacheFile, serialize($newCache)); + file_put_contents($outputFile, $newCache['compiled']); + } + } + + autoCompileLess('myfile.less', 'myfile.css'); + ``` + +`cachedCompile` method takes an optional second argument, `$force`. Passing in +true will cause the input to always be recompiled. + +### Error Handling + +All of the compile methods will throw an `Exception` if the parsing fails or +there is a compile time error. Compile time errors include things like passing +incorrectly typed values for functions that expect specific things, like the +color manipulation functions. + + ```php + $less = new lessc; + try { + $less->compile("} invalid LESS }}}"); + } catch (Exception $ex) { + echo "lessphp fatal error: ".$ex->getMessage(); + } + ``` +### Setting Variables From PHP + +Before compiling any code you can set initial LESS variables from PHP. The +`setVariables` method lets us do this. It takes an associative array of names +to values. The values must be strings, and will be parsed into correct CSS +values. + + + ```php + $less = new lessc; + + $less->setVariables(array( + "color" => "red", + "base" => "960px" + )); + + echo $less->compile(".magic { color: @color; width: @base - 200; }"); + ``` + +If you need to unset a variable, the `unsetVariable` method is available. It +takes the name of the variable to unset. + + ```php + $less->unsetVariable("color"); + ``` + +Be aware that the value of the variable is a string containing a CSS value. So +if you want to pass a LESS string in, you're going to need two sets of quotes. +One for PHP and one for LESS. + + + ```php + $less->setVariables(array( + "url" => "'http://example.com.com/'" + )); + + echo $less->compile("body { background: url("@{url}/bg.png"); }"); + ``` + +### Import Directory + +When running the `@import` directive, an array of directories called the import +search path is searched through to find the file being asked for. + +By default, when using `compile`, the import search path just contains `""`, +which is equivalent to the current directory of the script. If `compileFile` is +used, then the directory of the file being compiled is used as the starting +import search path. + +Two methods are available for configuring the search path. + +`setImportDir` will overwrite the search path with its argument. If the value +isn't an array it will be converted to one. + + +In this example, `@import "colors";` will look for either +`assets/less/colors.less` or `assets/bootstrap/colors.less` in that order: + + ```php + $less->setImportDir(array("assets/less/", "assets/bootstrap")); + + echo $less->compile('@import "colors";'); + ``` + +`addImportDir` will append a single path to the import search path instead of +overwriting the whole thing. + + ```php + $less->addImportDir("public/stylesheets"); + ``` + +### Custom Functions + +**lessphp** has a simple extension interface where you can implement user +functions that will be exposed in LESS code during the compile. They can be a +little tricky though because you need to work with the **lessphp** type system. + +The two methods we are interested in are `registerFunction` and +`unregisterFunction`. `registerFunction` takes two arguments, a name and a +callable value. `unregisterFunction` just takes the name of an existing +function to remove. + +Here's an example that adds a function called `double` that doubles any numeric +argument: + + ```php + registerFunction("double", "lessphp_double"); + + // gives us a width of 800px + echo $less->compile("div { width: double(400px); }"); + ``` + +The second argument to `registerFunction` is any *callable value* that is +understood by [`call_user_func`](http://php.net/call_user_func). + +If we are using PHP 5.3 or above then we are free to pass a function literal +like so: + + ```php + $less->registerFunction("double", function($arg) { + list($type, $value, $unit) = $arg; + return array($type, $value*2, $unit); + }); + ``` + +Now let's talk about the `double` function itself. + +Although a little verbose, the implementation gives us some insight on the type +system. All values in **lessphp** are stored in an array where the 0th element +is a string representing the type, and the other elements make up the +associated data for that value. + +The best way to get an understanding of the system is to register is dummy +function which does a `var_dump` on the argument. Try passing the function +different values from LESS and see what the results are. + +The return value of the registered function must also be a **lessphp** type, +but if it is a string or numeric value, it will automatically be coerced into +an appropriate typed value. In our example, we reconstruct the value with our +modifications while making sure that we preserve the original type. + +The instance of **lessphp** itself is sent to the registered function as the +second argument in addition to the arguments array. + +## Command Line Interface + +**lessphp** comes with a command line script written in PHP that can be used to +invoke the compiler from the terminal. On Linux and OSX, all you need to do is +place `plessc` and `lessc.inc.php` somewhere in your PATH (or you can run it in +the current directory as well). On windows you'll need a copy of `php.exe` to +run the file. To compile a file, `input.less` to CSS, run: + + ```bash + $ plessc input.less + ``` + +To write to a file, redirect standard out: + + ```bash + $ plessc input.less > output.css + ``` + +To compile code directly on the command line: + + ```bash + $ plessc -r "@color: red; body { color: @color; }" + ``` + +To watch a file for changes, and compile it as needed, use the `-w` flag: + + ```bash + $ plessc -w input-file output-file + ``` + +Errors from watch mode are written to standard out. + + +## License + +Copyright (c) 2012 Leaf Corcoran, + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + + +*Also under GPL3 if required, see `LICENSE` file* + diff --git a/vendor/leafo/lessphp/lessc.inc.php b/vendor/leafo/lessphp/lessc.inc.php new file mode 100644 index 00000000..2292f219 --- /dev/null +++ b/vendor/leafo/lessphp/lessc.inc.php @@ -0,0 +1,3768 @@ + + * Licensed under MIT or GPLv3, see LICENSE + */ + + +/** + * The LESS compiler and parser. + * + * Converting LESS to CSS is a three stage process. The incoming file is parsed + * by `lessc_parser` into a syntax tree, then it is compiled into another tree + * representing the CSS structure by `lessc`. The CSS tree is fed into a + * formatter, like `lessc_formatter` which then outputs CSS as a string. + * + * During the first compile, all values are *reduced*, which means that their + * types are brought to the lowest form before being dump as strings. This + * handles math equations, variable dereferences, and the like. + * + * The `parse` function of `lessc` is the entry point. + * + * In summary: + * + * The `lessc` class creates an instance of the parser, feeds it LESS code, + * then transforms the resulting tree to a CSS tree. This class also holds the + * evaluation context, such as all available mixins and variables at any given + * time. + * + * The `lessc_parser` class is only concerned with parsing its input. + * + * The `lessc_formatter` takes a CSS tree, and dumps it to a formatted string, + * handling things like indentation. + */ +class lessc { + static public $VERSION = "v0.5.0"; + + static public $TRUE = array("keyword", "true"); + static public $FALSE = array("keyword", "false"); + + protected $libFunctions = array(); + protected $registeredVars = array(); + protected $preserveComments = false; + + public $vPrefix = '@'; // prefix of abstract properties + public $mPrefix = '$'; // prefix of abstract blocks + public $parentSelector = '&'; + + public $importDisabled = false; + public $importDir = ''; + + protected $numberPrecision = null; + + protected $allParsedFiles = array(); + + // set to the parser that generated the current line when compiling + // so we know how to create error messages + protected $sourceParser = null; + protected $sourceLoc = null; + + static protected $nextImportId = 0; // uniquely identify imports + + // attempts to find the path of an import url, returns null for css files + protected function findImport($url) { + foreach ((array)$this->importDir as $dir) { + $full = $dir.(substr($dir, -1) != '/' ? '/' : '').$url; + if ($this->fileExists($file = $full.'.less') || $this->fileExists($file = $full)) { + return $file; + } + } + + return null; + } + + protected function fileExists($name) { + return is_file($name); + } + + static public function compressList($items, $delim) { + if (!isset($items[1]) && isset($items[0])) return $items[0]; + else return array('list', $delim, $items); + } + + static public function preg_quote($what) { + return preg_quote($what, '/'); + } + + protected function tryImport($importPath, $parentBlock, $out) { + if ($importPath[0] == "function" && $importPath[1] == "url") { + $importPath = $this->flattenList($importPath[2]); + } + + $str = $this->coerceString($importPath); + if ($str === null) return false; + + $url = $this->compileValue($this->lib_e($str)); + + // don't import if it ends in css + if (substr_compare($url, '.css', -4, 4) === 0) return false; + + $realPath = $this->findImport($url); + + if ($realPath === null) return false; + + if ($this->importDisabled) { + return array(false, "/* import disabled */"); + } + + if (isset($this->allParsedFiles[realpath($realPath)])) { + return array(false, null); + } + + $this->addParsedFile($realPath); + $parser = $this->makeParser($realPath); + $root = $parser->parse(file_get_contents($realPath)); + + // set the parents of all the block props + foreach ($root->props as $prop) { + if ($prop[0] == "block") { + $prop[1]->parent = $parentBlock; + } + } + + // copy mixins into scope, set their parents + // bring blocks from import into current block + // TODO: need to mark the source parser these came from this file + foreach ($root->children as $childName => $child) { + if (isset($parentBlock->children[$childName])) { + $parentBlock->children[$childName] = array_merge( + $parentBlock->children[$childName], + $child); + } else { + $parentBlock->children[$childName] = $child; + } + } + + $pi = pathinfo($realPath); + $dir = $pi["dirname"]; + + list($top, $bottom) = $this->sortProps($root->props, true); + $this->compileImportedProps($top, $parentBlock, $out, $parser, $dir); + + return array(true, $bottom, $parser, $dir); + } + + protected function compileImportedProps($props, $block, $out, $sourceParser, $importDir) { + $oldSourceParser = $this->sourceParser; + + $oldImport = $this->importDir; + + // TODO: this is because the importDir api is stupid + $this->importDir = (array)$this->importDir; + array_unshift($this->importDir, $importDir); + + foreach ($props as $prop) { + $this->compileProp($prop, $block, $out); + } + + $this->importDir = $oldImport; + $this->sourceParser = $oldSourceParser; + } + + /** + * Recursively compiles a block. + * + * A block is analogous to a CSS block in most cases. A single LESS document + * is encapsulated in a block when parsed, but it does not have parent tags + * so all of it's children appear on the root level when compiled. + * + * Blocks are made up of props and children. + * + * Props are property instructions, array tuples which describe an action + * to be taken, eg. write a property, set a variable, mixin a block. + * + * The children of a block are just all the blocks that are defined within. + * This is used to look up mixins when performing a mixin. + * + * Compiling the block involves pushing a fresh environment on the stack, + * and iterating through the props, compiling each one. + * + * See lessc::compileProp() + * + */ + protected function compileBlock($block) { + switch ($block->type) { + case "root": + $this->compileRoot($block); + break; + case null: + $this->compileCSSBlock($block); + break; + case "media": + $this->compileMedia($block); + break; + case "directive": + $name = "@" . $block->name; + if (!empty($block->value)) { + $name .= " " . $this->compileValue($this->reduce($block->value)); + } + + $this->compileNestedBlock($block, array($name)); + break; + default: + $this->throwError("unknown block type: $block->type\n"); + } + } + + protected function compileCSSBlock($block) { + $env = $this->pushEnv(); + + $selectors = $this->compileSelectors($block->tags); + $env->selectors = $this->multiplySelectors($selectors); + $out = $this->makeOutputBlock(null, $env->selectors); + + $this->scope->children[] = $out; + $this->compileProps($block, $out); + + $block->scope = $env; // mixins carry scope with them! + $this->popEnv(); + } + + protected function compileMedia($media) { + $env = $this->pushEnv($media); + $parentScope = $this->mediaParent($this->scope); + + $query = $this->compileMediaQuery($this->multiplyMedia($env)); + + $this->scope = $this->makeOutputBlock($media->type, array($query)); + $parentScope->children[] = $this->scope; + + $this->compileProps($media, $this->scope); + + if (count($this->scope->lines) > 0) { + $orphanSelelectors = $this->findClosestSelectors(); + if (!is_null($orphanSelelectors)) { + $orphan = $this->makeOutputBlock(null, $orphanSelelectors); + $orphan->lines = $this->scope->lines; + array_unshift($this->scope->children, $orphan); + $this->scope->lines = array(); + } + } + + $this->scope = $this->scope->parent; + $this->popEnv(); + } + + protected function mediaParent($scope) { + while (!empty($scope->parent)) { + if (!empty($scope->type) && $scope->type != "media") { + break; + } + $scope = $scope->parent; + } + + return $scope; + } + + protected function compileNestedBlock($block, $selectors) { + $this->pushEnv($block); + $this->scope = $this->makeOutputBlock($block->type, $selectors); + $this->scope->parent->children[] = $this->scope; + + $this->compileProps($block, $this->scope); + + $this->scope = $this->scope->parent; + $this->popEnv(); + } + + protected function compileRoot($root) { + $this->pushEnv(); + $this->scope = $this->makeOutputBlock($root->type); + $this->compileProps($root, $this->scope); + $this->popEnv(); + } + + protected function compileProps($block, $out) { + foreach ($this->sortProps($block->props) as $prop) { + $this->compileProp($prop, $block, $out); + } + $out->lines = $this->deduplicate($out->lines); + } + + /** + * Deduplicate lines in a block. Comments are not deduplicated. If a + * duplicate rule is detected, the comments immediately preceding each + * occurence are consolidated. + */ + protected function deduplicate($lines) { + $unique = array(); + $comments = array(); + + foreach($lines as $line) { + if (strpos($line, '/*') === 0) { + $comments[] = $line; + continue; + } + if (!in_array($line, $unique)) { + $unique[] = $line; + } + array_splice($unique, array_search($line, $unique), 0, $comments); + $comments = array(); + } + return array_merge($unique, $comments); + } + + protected function sortProps($props, $split = false) { + $vars = array(); + $imports = array(); + $other = array(); + $stack = array(); + + foreach ($props as $prop) { + switch ($prop[0]) { + case "comment": + $stack[] = $prop; + break; + case "assign": + $stack[] = $prop; + if (isset($prop[1][0]) && $prop[1][0] == $this->vPrefix) { + $vars = array_merge($vars, $stack); + } else { + $other = array_merge($other, $stack); + } + $stack = array(); + break; + case "import": + $id = self::$nextImportId++; + $prop[] = $id; + $stack[] = $prop; + $imports = array_merge($imports, $stack); + $other[] = array("import_mixin", $id); + $stack = array(); + break; + default: + $stack[] = $prop; + $other = array_merge($other, $stack); + $stack = array(); + break; + } + } + $other = array_merge($other, $stack); + + if ($split) { + return array(array_merge($imports, $vars), $other); + } else { + return array_merge($imports, $vars, $other); + } + } + + protected function compileMediaQuery($queries) { + $compiledQueries = array(); + foreach ($queries as $query) { + $parts = array(); + foreach ($query as $q) { + switch ($q[0]) { + case "mediaType": + $parts[] = implode(" ", array_slice($q, 1)); + break; + case "mediaExp": + if (isset($q[2])) { + $parts[] = "($q[1]: " . + $this->compileValue($this->reduce($q[2])) . ")"; + } else { + $parts[] = "($q[1])"; + } + break; + case "variable": + $parts[] = $this->compileValue($this->reduce($q)); + break; + } + } + + if (count($parts) > 0) { + $compiledQueries[] = implode(" and ", $parts); + } + } + + $out = "@media"; + if (!empty($parts)) { + $out .= " " . + implode($this->formatter->selectorSeparator, $compiledQueries); + } + return $out; + } + + protected function multiplyMedia($env, $childQueries = null) { + if (is_null($env) || + !empty($env->block->type) && $env->block->type != "media") + { + return $childQueries; + } + + // plain old block, skip + if (empty($env->block->type)) { + return $this->multiplyMedia($env->parent, $childQueries); + } + + $out = array(); + $queries = $env->block->queries; + if (is_null($childQueries)) { + $out = $queries; + } else { + foreach ($queries as $parent) { + foreach ($childQueries as $child) { + $out[] = array_merge($parent, $child); + } + } + } + + return $this->multiplyMedia($env->parent, $out); + } + + protected function expandParentSelectors(&$tag, $replace) { + $parts = explode("$&$", $tag); + $count = 0; + foreach ($parts as &$part) { + $part = str_replace($this->parentSelector, $replace, $part, $c); + $count += $c; + } + $tag = implode($this->parentSelector, $parts); + return $count; + } + + protected function findClosestSelectors() { + $env = $this->env; + $selectors = null; + while ($env !== null) { + if (isset($env->selectors)) { + $selectors = $env->selectors; + break; + } + $env = $env->parent; + } + + return $selectors; + } + + + // multiply $selectors against the nearest selectors in env + protected function multiplySelectors($selectors) { + // find parent selectors + + $parentSelectors = $this->findClosestSelectors(); + if (is_null($parentSelectors)) { + // kill parent reference in top level selector + foreach ($selectors as &$s) { + $this->expandParentSelectors($s, ""); + } + + return $selectors; + } + + $out = array(); + foreach ($parentSelectors as $parent) { + foreach ($selectors as $child) { + $count = $this->expandParentSelectors($child, $parent); + + // don't prepend the parent tag if & was used + if ($count > 0) { + $out[] = trim($child); + } else { + $out[] = trim($parent . ' ' . $child); + } + } + } + + return $out; + } + + // reduces selector expressions + protected function compileSelectors($selectors) { + $out = array(); + + foreach ($selectors as $s) { + if (is_array($s)) { + list(, $value) = $s; + $out[] = trim($this->compileValue($this->reduce($value))); + } else { + $out[] = $s; + } + } + + return $out; + } + + protected function eq($left, $right) { + return $left == $right; + } + + protected function patternMatch($block, $orderedArgs, $keywordArgs) { + // match the guards if it has them + // any one of the groups must have all its guards pass for a match + if (!empty($block->guards)) { + $groupPassed = false; + foreach ($block->guards as $guardGroup) { + foreach ($guardGroup as $guard) { + $this->pushEnv(); + $this->zipSetArgs($block->args, $orderedArgs, $keywordArgs); + + $negate = false; + if ($guard[0] == "negate") { + $guard = $guard[1]; + $negate = true; + } + + $passed = $this->reduce($guard) == self::$TRUE; + if ($negate) $passed = !$passed; + + $this->popEnv(); + + if ($passed) { + $groupPassed = true; + } else { + $groupPassed = false; + break; + } + } + + if ($groupPassed) break; + } + + if (!$groupPassed) { + return false; + } + } + + if (empty($block->args)) { + return $block->isVararg || empty($orderedArgs) && empty($keywordArgs); + } + + $remainingArgs = $block->args; + if ($keywordArgs) { + $remainingArgs = array(); + foreach ($block->args as $arg) { + if ($arg[0] == "arg" && isset($keywordArgs[$arg[1]])) { + continue; + } + + $remainingArgs[] = $arg; + } + } + + $i = -1; // no args + // try to match by arity or by argument literal + foreach ($remainingArgs as $i => $arg) { + switch ($arg[0]) { + case "lit": + if (empty($orderedArgs[$i]) || !$this->eq($arg[1], $orderedArgs[$i])) { + return false; + } + break; + case "arg": + // no arg and no default value + if (!isset($orderedArgs[$i]) && !isset($arg[2])) { + return false; + } + break; + case "rest": + $i--; // rest can be empty + break 2; + } + } + + if ($block->isVararg) { + return true; // not having enough is handled above + } else { + $numMatched = $i + 1; + // greater than becuase default values always match + return $numMatched >= count($orderedArgs); + } + } + + protected function patternMatchAll($blocks, $orderedArgs, $keywordArgs, $skip=array()) { + $matches = null; + foreach ($blocks as $block) { + // skip seen blocks that don't have arguments + if (isset($skip[$block->id]) && !isset($block->args)) { + continue; + } + + if ($this->patternMatch($block, $orderedArgs, $keywordArgs)) { + $matches[] = $block; + } + } + + return $matches; + } + + // attempt to find blocks matched by path and args + protected function findBlocks($searchIn, $path, $orderedArgs, $keywordArgs, $seen=array()) { + if ($searchIn == null) return null; + if (isset($seen[$searchIn->id])) return null; + $seen[$searchIn->id] = true; + + $name = $path[0]; + + if (isset($searchIn->children[$name])) { + $blocks = $searchIn->children[$name]; + if (count($path) == 1) { + $matches = $this->patternMatchAll($blocks, $orderedArgs, $keywordArgs, $seen); + if (!empty($matches)) { + // This will return all blocks that match in the closest + // scope that has any matching block, like lessjs + return $matches; + } + } else { + $matches = array(); + foreach ($blocks as $subBlock) { + $subMatches = $this->findBlocks($subBlock, + array_slice($path, 1), $orderedArgs, $keywordArgs, $seen); + + if (!is_null($subMatches)) { + foreach ($subMatches as $sm) { + $matches[] = $sm; + } + } + } + + return count($matches) > 0 ? $matches : null; + } + } + if ($searchIn->parent === $searchIn) return null; + return $this->findBlocks($searchIn->parent, $path, $orderedArgs, $keywordArgs, $seen); + } + + // sets all argument names in $args to either the default value + // or the one passed in through $values + protected function zipSetArgs($args, $orderedValues, $keywordValues) { + $assignedValues = array(); + + $i = 0; + foreach ($args as $a) { + if ($a[0] == "arg") { + if (isset($keywordValues[$a[1]])) { + // has keyword arg + $value = $keywordValues[$a[1]]; + } elseif (isset($orderedValues[$i])) { + // has ordered arg + $value = $orderedValues[$i]; + $i++; + } elseif (isset($a[2])) { + // has default value + $value = $a[2]; + } else { + $this->throwError("Failed to assign arg " . $a[1]); + $value = null; // :( + } + + $value = $this->reduce($value); + $this->set($a[1], $value); + $assignedValues[] = $value; + } else { + // a lit + $i++; + } + } + + // check for a rest + $last = end($args); + if ($last[0] == "rest") { + $rest = array_slice($orderedValues, count($args) - 1); + $this->set($last[1], $this->reduce(array("list", " ", $rest))); + } + + // wow is this the only true use of PHP's + operator for arrays? + $this->env->arguments = $assignedValues + $orderedValues; + } + + // compile a prop and update $lines or $blocks appropriately + protected function compileProp($prop, $block, $out) { + // set error position context + $this->sourceLoc = isset($prop[-1]) ? $prop[-1] : -1; + + switch ($prop[0]) { + case 'assign': + list(, $name, $value) = $prop; + if ($name[0] == $this->vPrefix) { + $this->set($name, $value); + } else { + $out->lines[] = $this->formatter->property($name, + $this->compileValue($this->reduce($value))); + } + break; + case 'block': + list(, $child) = $prop; + $this->compileBlock($child); + break; + case 'mixin': + list(, $path, $args, $suffix) = $prop; + + $orderedArgs = array(); + $keywordArgs = array(); + foreach ((array)$args as $arg) { + $argval = null; + switch ($arg[0]) { + case "arg": + if (!isset($arg[2])) { + $orderedArgs[] = $this->reduce(array("variable", $arg[1])); + } else { + $keywordArgs[$arg[1]] = $this->reduce($arg[2]); + } + break; + + case "lit": + $orderedArgs[] = $this->reduce($arg[1]); + break; + default: + $this->throwError("Unknown arg type: " . $arg[0]); + } + } + + $mixins = $this->findBlocks($block, $path, $orderedArgs, $keywordArgs); + + if ($mixins === null) { + $this->throwError("{$prop[1][0]} is undefined"); + } + + foreach ($mixins as $mixin) { + if ($mixin === $block && !$orderedArgs) { + continue; + } + + $haveScope = false; + if (isset($mixin->parent->scope)) { + $haveScope = true; + $mixinParentEnv = $this->pushEnv(); + $mixinParentEnv->storeParent = $mixin->parent->scope; + } + + $haveArgs = false; + if (isset($mixin->args)) { + $haveArgs = true; + $this->pushEnv(); + $this->zipSetArgs($mixin->args, $orderedArgs, $keywordArgs); + } + + $oldParent = $mixin->parent; + if ($mixin != $block) $mixin->parent = $block; + + foreach ($this->sortProps($mixin->props) as $subProp) { + if ($suffix !== null && + $subProp[0] == "assign" && + is_string($subProp[1]) && + $subProp[1]{0} != $this->vPrefix) + { + $subProp[2] = array( + 'list', ' ', + array($subProp[2], array('keyword', $suffix)) + ); + } + + $this->compileProp($subProp, $mixin, $out); + } + + $mixin->parent = $oldParent; + + if ($haveArgs) $this->popEnv(); + if ($haveScope) $this->popEnv(); + } + + break; + case 'raw': + $out->lines[] = $prop[1]; + break; + case "directive": + list(, $name, $value) = $prop; + $out->lines[] = "@$name " . $this->compileValue($this->reduce($value)).';'; + break; + case "comment": + $out->lines[] = $prop[1]; + break; + case "import"; + list(, $importPath, $importId) = $prop; + $importPath = $this->reduce($importPath); + + if (!isset($this->env->imports)) { + $this->env->imports = array(); + } + + $result = $this->tryImport($importPath, $block, $out); + + $this->env->imports[$importId] = $result === false ? + array(false, "@import " . $this->compileValue($importPath).";") : + $result; + + break; + case "import_mixin": + list(,$importId) = $prop; + $import = $this->env->imports[$importId]; + if ($import[0] === false) { + if (isset($import[1])) { + $out->lines[] = $import[1]; + } + } else { + list(, $bottom, $parser, $importDir) = $import; + $this->compileImportedProps($bottom, $block, $out, $parser, $importDir); + } + + break; + default: + $this->throwError("unknown op: {$prop[0]}\n"); + } + } + + + /** + * Compiles a primitive value into a CSS property value. + * + * Values in lessphp are typed by being wrapped in arrays, their format is + * typically: + * + * array(type, contents [, additional_contents]*) + * + * The input is expected to be reduced. This function will not work on + * things like expressions and variables. + */ + public function compileValue($value) { + switch ($value[0]) { + case 'list': + // [1] - delimiter + // [2] - array of values + return implode($value[1], array_map(array($this, 'compileValue'), $value[2])); + case 'raw_color': + if (!empty($this->formatter->compressColors)) { + return $this->compileValue($this->coerceColor($value)); + } + return $value[1]; + case 'keyword': + // [1] - the keyword + return $value[1]; + case 'number': + list(, $num, $unit) = $value; + // [1] - the number + // [2] - the unit + if ($this->numberPrecision !== null) { + $num = round($num, $this->numberPrecision); + } + return $num . $unit; + case 'string': + // [1] - contents of string (includes quotes) + list(, $delim, $content) = $value; + foreach ($content as &$part) { + if (is_array($part)) { + $part = $this->compileValue($part); + } + } + return $delim . implode($content) . $delim; + case 'color': + // [1] - red component (either number or a %) + // [2] - green component + // [3] - blue component + // [4] - optional alpha component + list(, $r, $g, $b) = $value; + $r = round($r); + $g = round($g); + $b = round($b); + + if (count($value) == 5 && $value[4] != 1) { // rgba + return 'rgba('.$r.','.$g.','.$b.','.$value[4].')'; + } + + $h = sprintf("#%02x%02x%02x", $r, $g, $b); + + if (!empty($this->formatter->compressColors)) { + // Converting hex color to short notation (e.g. #003399 to #039) + if ($h[1] === $h[2] && $h[3] === $h[4] && $h[5] === $h[6]) { + $h = '#' . $h[1] . $h[3] . $h[5]; + } + } + + return $h; + + case 'function': + list(, $name, $args) = $value; + return $name.'('.$this->compileValue($args).')'; + default: // assumed to be unit + $this->throwError("unknown value type: $value[0]"); + } + } + + protected function lib_pow($args) { + list($base, $exp) = $this->assertArgs($args, 2, "pow"); + return pow($this->assertNumber($base), $this->assertNumber($exp)); + } + + protected function lib_pi() { + return pi(); + } + + protected function lib_mod($args) { + list($a, $b) = $this->assertArgs($args, 2, "mod"); + return $this->assertNumber($a) % $this->assertNumber($b); + } + + protected function lib_tan($num) { + return tan($this->assertNumber($num)); + } + + protected function lib_sin($num) { + return sin($this->assertNumber($num)); + } + + protected function lib_cos($num) { + return cos($this->assertNumber($num)); + } + + protected function lib_atan($num) { + $num = atan($this->assertNumber($num)); + return array("number", $num, "rad"); + } + + protected function lib_asin($num) { + $num = asin($this->assertNumber($num)); + return array("number", $num, "rad"); + } + + protected function lib_acos($num) { + $num = acos($this->assertNumber($num)); + return array("number", $num, "rad"); + } + + protected function lib_sqrt($num) { + return sqrt($this->assertNumber($num)); + } + + protected function lib_extract($value) { + list($list, $idx) = $this->assertArgs($value, 2, "extract"); + $idx = $this->assertNumber($idx); + // 1 indexed + if ($list[0] == "list" && isset($list[2][$idx - 1])) { + return $list[2][$idx - 1]; + } + } + + protected function lib_isnumber($value) { + return $this->toBool($value[0] == "number"); + } + + protected function lib_isstring($value) { + return $this->toBool($value[0] == "string"); + } + + protected function lib_iscolor($value) { + return $this->toBool($this->coerceColor($value)); + } + + protected function lib_iskeyword($value) { + return $this->toBool($value[0] == "keyword"); + } + + protected function lib_ispixel($value) { + return $this->toBool($value[0] == "number" && $value[2] == "px"); + } + + protected function lib_ispercentage($value) { + return $this->toBool($value[0] == "number" && $value[2] == "%"); + } + + protected function lib_isem($value) { + return $this->toBool($value[0] == "number" && $value[2] == "em"); + } + + protected function lib_isrem($value) { + return $this->toBool($value[0] == "number" && $value[2] == "rem"); + } + + protected function lib_rgbahex($color) { + $color = $this->coerceColor($color); + if (is_null($color)) + $this->throwError("color expected for rgbahex"); + + return sprintf("#%02x%02x%02x%02x", + isset($color[4]) ? $color[4]*255 : 255, + $color[1],$color[2], $color[3]); + } + + protected function lib_argb($color){ + return $this->lib_rgbahex($color); + } + + /** + * Given an url, decide whether to output a regular link or the base64-encoded contents of the file + * + * @param array $value either an argument list (two strings) or a single string + * @return string formatted url(), either as a link or base64-encoded + */ + protected function lib_data_uri($value) { + $mime = ($value[0] === 'list') ? $value[2][0][2] : null; + $url = ($value[0] === 'list') ? $value[2][1][2][0] : $value[2][0]; + + $fullpath = $this->findImport($url); + + if($fullpath && ($fsize = filesize($fullpath)) !== false) { + // IE8 can't handle data uris larger than 32KB + if($fsize/1024 < 32) { + if(is_null($mime)) { + if(class_exists('finfo')) { // php 5.3+ + $finfo = new finfo(FILEINFO_MIME); + $mime = explode('; ', $finfo->file($fullpath)); + $mime = $mime[0]; + } elseif(function_exists('mime_content_type')) { // PHP 5.2 + $mime = mime_content_type($fullpath); + } + } + + if(!is_null($mime)) // fallback if the mime type is still unknown + $url = sprintf('data:%s;base64,%s', $mime, base64_encode(file_get_contents($fullpath))); + } + } + + return 'url("'.$url.'")'; + } + + // utility func to unquote a string + protected function lib_e($arg) { + switch ($arg[0]) { + case "list": + $items = $arg[2]; + if (isset($items[0])) { + return $this->lib_e($items[0]); + } + $this->throwError("unrecognised input"); + case "string": + $arg[1] = ""; + return $arg; + case "keyword": + return $arg; + default: + return array("keyword", $this->compileValue($arg)); + } + } + + protected function lib__sprintf($args) { + if ($args[0] != "list") return $args; + $values = $args[2]; + $string = array_shift($values); + $template = $this->compileValue($this->lib_e($string)); + + $i = 0; + if (preg_match_all('/%[dsa]/', $template, $m)) { + foreach ($m[0] as $match) { + $val = isset($values[$i]) ? + $this->reduce($values[$i]) : array('keyword', ''); + + // lessjs compat, renders fully expanded color, not raw color + if ($color = $this->coerceColor($val)) { + $val = $color; + } + + $i++; + $rep = $this->compileValue($this->lib_e($val)); + $template = preg_replace('/'.self::preg_quote($match).'/', + $rep, $template, 1); + } + } + + $d = $string[0] == "string" ? $string[1] : '"'; + return array("string", $d, array($template)); + } + + protected function lib_floor($arg) { + $value = $this->assertNumber($arg); + return array("number", floor($value), $arg[2]); + } + + protected function lib_ceil($arg) { + $value = $this->assertNumber($arg); + return array("number", ceil($value), $arg[2]); + } + + protected function lib_round($arg) { + if($arg[0] != "list") { + $value = $this->assertNumber($arg); + return array("number", round($value), $arg[2]); + } else { + $value = $this->assertNumber($arg[2][0]); + $precision = $this->assertNumber($arg[2][1]); + return array("number", round($value, $precision), $arg[2][0][2]); + } + } + + protected function lib_unit($arg) { + if ($arg[0] == "list") { + list($number, $newUnit) = $arg[2]; + return array("number", $this->assertNumber($number), + $this->compileValue($this->lib_e($newUnit))); + } else { + return array("number", $this->assertNumber($arg), ""); + } + } + + /** + * Helper function to get arguments for color manipulation functions. + * takes a list that contains a color like thing and a percentage + */ + public function colorArgs($args) { + if ($args[0] != 'list' || count($args[2]) < 2) { + return array(array('color', 0, 0, 0), 0); + } + list($color, $delta) = $args[2]; + $color = $this->assertColor($color); + $delta = floatval($delta[1]); + + return array($color, $delta); + } + + protected function lib_darken($args) { + list($color, $delta) = $this->colorArgs($args); + + $hsl = $this->toHSL($color); + $hsl[3] = $this->clamp($hsl[3] - $delta, 100); + return $this->toRGB($hsl); + } + + protected function lib_lighten($args) { + list($color, $delta) = $this->colorArgs($args); + + $hsl = $this->toHSL($color); + $hsl[3] = $this->clamp($hsl[3] + $delta, 100); + return $this->toRGB($hsl); + } + + protected function lib_saturate($args) { + list($color, $delta) = $this->colorArgs($args); + + $hsl = $this->toHSL($color); + $hsl[2] = $this->clamp($hsl[2] + $delta, 100); + return $this->toRGB($hsl); + } + + protected function lib_desaturate($args) { + list($color, $delta) = $this->colorArgs($args); + + $hsl = $this->toHSL($color); + $hsl[2] = $this->clamp($hsl[2] - $delta, 100); + return $this->toRGB($hsl); + } + + protected function lib_spin($args) { + list($color, $delta) = $this->colorArgs($args); + + $hsl = $this->toHSL($color); + + $hsl[1] = $hsl[1] + $delta % 360; + if ($hsl[1] < 0) $hsl[1] += 360; + + return $this->toRGB($hsl); + } + + protected function lib_fadeout($args) { + list($color, $delta) = $this->colorArgs($args); + $color[4] = $this->clamp((isset($color[4]) ? $color[4] : 1) - $delta/100); + return $color; + } + + protected function lib_fadein($args) { + list($color, $delta) = $this->colorArgs($args); + $color[4] = $this->clamp((isset($color[4]) ? $color[4] : 1) + $delta/100); + return $color; + } + + protected function lib_hue($color) { + $hsl = $this->toHSL($this->assertColor($color)); + return round($hsl[1]); + } + + protected function lib_saturation($color) { + $hsl = $this->toHSL($this->assertColor($color)); + return round($hsl[2]); + } + + protected function lib_lightness($color) { + $hsl = $this->toHSL($this->assertColor($color)); + return round($hsl[3]); + } + + // get the alpha of a color + // defaults to 1 for non-colors or colors without an alpha + protected function lib_alpha($value) { + if (!is_null($color = $this->coerceColor($value))) { + return isset($color[4]) ? $color[4] : 1; + } + } + + // set the alpha of the color + protected function lib_fade($args) { + list($color, $alpha) = $this->colorArgs($args); + $color[4] = $this->clamp($alpha / 100.0); + return $color; + } + + protected function lib_percentage($arg) { + $num = $this->assertNumber($arg); + return array("number", $num*100, "%"); + } + + // mixes two colors by weight + // mix(@color1, @color2, [@weight: 50%]); + // http://sass-lang.com/docs/yardoc/Sass/Script/Functions.html#mix-instance_method + protected function lib_mix($args) { + if ($args[0] != "list" || count($args[2]) < 2) + $this->throwError("mix expects (color1, color2, weight)"); + + list($first, $second) = $args[2]; + $first = $this->assertColor($first); + $second = $this->assertColor($second); + + $first_a = $this->lib_alpha($first); + $second_a = $this->lib_alpha($second); + + if (isset($args[2][2])) { + $weight = $args[2][2][1] / 100.0; + } else { + $weight = 0.5; + } + + $w = $weight * 2 - 1; + $a = $first_a - $second_a; + + $w1 = (($w * $a == -1 ? $w : ($w + $a)/(1 + $w * $a)) + 1) / 2.0; + $w2 = 1.0 - $w1; + + $new = array('color', + $w1 * $first[1] + $w2 * $second[1], + $w1 * $first[2] + $w2 * $second[2], + $w1 * $first[3] + $w2 * $second[3], + ); + + if ($first_a != 1.0 || $second_a != 1.0) { + $new[] = $first_a * $weight + $second_a * ($weight - 1); + } + + return $this->fixColor($new); + } + + protected function lib_contrast($args) { + $darkColor = array('color', 0, 0, 0); + $lightColor = array('color', 255, 255, 255); + $threshold = 0.43; + + if ( $args[0] == 'list' ) { + $inputColor = ( isset($args[2][0]) ) ? $this->assertColor($args[2][0]) : $lightColor; + $darkColor = ( isset($args[2][1]) ) ? $this->assertColor($args[2][1]) : $darkColor; + $lightColor = ( isset($args[2][2]) ) ? $this->assertColor($args[2][2]) : $lightColor; + $threshold = ( isset($args[2][3]) ) ? $this->assertNumber($args[2][3]) : $threshold; + } + else { + $inputColor = $this->assertColor($args); + } + + $inputColor = $this->coerceColor($inputColor); + $darkColor = $this->coerceColor($darkColor); + $lightColor = $this->coerceColor($lightColor); + + //Figure out which is actually light and dark! + if ( $this->lib_luma($darkColor) > $this->lib_luma($lightColor) ) { + $t = $lightColor; + $lightColor = $darkColor; + $darkColor = $t; + } + + $inputColor_alpha = $this->lib_alpha($inputColor); + if ( ( $this->lib_luma($inputColor) * $inputColor_alpha) < $threshold) { + return $lightColor; + } + return $darkColor; + } + + protected function lib_luma($color) { + $color = $this->coerceColor($color); + return (0.2126 * $color[0] / 255) + (0.7152 * $color[1] / 255) + (0.0722 * $color[2] / 255); + } + + + public function assertColor($value, $error = "expected color value") { + $color = $this->coerceColor($value); + if (is_null($color)) $this->throwError($error); + return $color; + } + + public function assertNumber($value, $error = "expecting number") { + if ($value[0] == "number") return $value[1]; + $this->throwError($error); + } + + public function assertArgs($value, $expectedArgs, $name="") { + if ($expectedArgs == 1) { + return $value; + } else { + if ($value[0] !== "list" || $value[1] != ",") $this->throwError("expecting list"); + $values = $value[2]; + $numValues = count($values); + if ($expectedArgs != $numValues) { + if ($name) { + $name = $name . ": "; + } + + $this->throwError("${name}expecting $expectedArgs arguments, got $numValues"); + } + + return $values; + } + } + + protected function toHSL($color) { + if ($color[0] == 'hsl') return $color; + + $r = $color[1] / 255; + $g = $color[2] / 255; + $b = $color[3] / 255; + + $min = min($r, $g, $b); + $max = max($r, $g, $b); + + $L = ($min + $max) / 2; + if ($min == $max) { + $S = $H = 0; + } else { + if ($L < 0.5) + $S = ($max - $min)/($max + $min); + else + $S = ($max - $min)/(2.0 - $max - $min); + + if ($r == $max) $H = ($g - $b)/($max - $min); + elseif ($g == $max) $H = 2.0 + ($b - $r)/($max - $min); + elseif ($b == $max) $H = 4.0 + ($r - $g)/($max - $min); + + } + + $out = array('hsl', + ($H < 0 ? $H + 6 : $H)*60, + $S*100, + $L*100, + ); + + if (count($color) > 4) $out[] = $color[4]; // copy alpha + return $out; + } + + protected function toRGB_helper($comp, $temp1, $temp2) { + if ($comp < 0) $comp += 1.0; + elseif ($comp > 1) $comp -= 1.0; + + if (6 * $comp < 1) return $temp1 + ($temp2 - $temp1) * 6 * $comp; + if (2 * $comp < 1) return $temp2; + if (3 * $comp < 2) return $temp1 + ($temp2 - $temp1)*((2/3) - $comp) * 6; + + return $temp1; + } + + /** + * Converts a hsl array into a color value in rgb. + * Expects H to be in range of 0 to 360, S and L in 0 to 100 + */ + protected function toRGB($color) { + if ($color[0] == 'color') return $color; + + $H = $color[1] / 360; + $S = $color[2] / 100; + $L = $color[3] / 100; + + if ($S == 0) { + $r = $g = $b = $L; + } else { + $temp2 = $L < 0.5 ? + $L*(1.0 + $S) : + $L + $S - $L * $S; + + $temp1 = 2.0 * $L - $temp2; + + $r = $this->toRGB_helper($H + 1/3, $temp1, $temp2); + $g = $this->toRGB_helper($H, $temp1, $temp2); + $b = $this->toRGB_helper($H - 1/3, $temp1, $temp2); + } + + // $out = array('color', round($r*255), round($g*255), round($b*255)); + $out = array('color', $r*255, $g*255, $b*255); + if (count($color) > 4) $out[] = $color[4]; // copy alpha + return $out; + } + + protected function clamp($v, $max = 1, $min = 0) { + return min($max, max($min, $v)); + } + + /** + * Convert the rgb, rgba, hsl color literals of function type + * as returned by the parser into values of color type. + */ + protected function funcToColor($func) { + $fname = $func[1]; + if ($func[2][0] != 'list') return false; // need a list of arguments + $rawComponents = $func[2][2]; + + if ($fname == 'hsl' || $fname == 'hsla') { + $hsl = array('hsl'); + $i = 0; + foreach ($rawComponents as $c) { + $val = $this->reduce($c); + $val = isset($val[1]) ? floatval($val[1]) : 0; + + if ($i == 0) $clamp = 360; + elseif ($i < 3) $clamp = 100; + else $clamp = 1; + + $hsl[] = $this->clamp($val, $clamp); + $i++; + } + + while (count($hsl) < 4) $hsl[] = 0; + return $this->toRGB($hsl); + + } elseif ($fname == 'rgb' || $fname == 'rgba') { + $components = array(); + $i = 1; + foreach ($rawComponents as $c) { + $c = $this->reduce($c); + if ($i < 4) { + if ($c[0] == "number" && $c[2] == "%") { + $components[] = 255 * ($c[1] / 100); + } else { + $components[] = floatval($c[1]); + } + } elseif ($i == 4) { + if ($c[0] == "number" && $c[2] == "%") { + $components[] = 1.0 * ($c[1] / 100); + } else { + $components[] = floatval($c[1]); + } + } else break; + + $i++; + } + while (count($components) < 3) $components[] = 0; + array_unshift($components, 'color'); + return $this->fixColor($components); + } + + return false; + } + + protected function reduce($value, $forExpression = false) { + switch ($value[0]) { + case "interpolate": + $reduced = $this->reduce($value[1]); + $var = $this->compileValue($reduced); + $res = $this->reduce(array("variable", $this->vPrefix . $var)); + + if ($res[0] == "raw_color") { + $res = $this->coerceColor($res); + } + + if (empty($value[2])) $res = $this->lib_e($res); + + return $res; + case "variable": + $key = $value[1]; + if (is_array($key)) { + $key = $this->reduce($key); + $key = $this->vPrefix . $this->compileValue($this->lib_e($key)); + } + + $seen =& $this->env->seenNames; + + if (!empty($seen[$key])) { + $this->throwError("infinite loop detected: $key"); + } + + $seen[$key] = true; + $out = $this->reduce($this->get($key)); + $seen[$key] = false; + return $out; + case "list": + foreach ($value[2] as &$item) { + $item = $this->reduce($item, $forExpression); + } + return $value; + case "expression": + return $this->evaluate($value); + case "string": + foreach ($value[2] as &$part) { + if (is_array($part)) { + $strip = $part[0] == "variable"; + $part = $this->reduce($part); + if ($strip) $part = $this->lib_e($part); + } + } + return $value; + case "escape": + list(,$inner) = $value; + return $this->lib_e($this->reduce($inner)); + case "function": + $color = $this->funcToColor($value); + if ($color) return $color; + + list(, $name, $args) = $value; + if ($name == "%") $name = "_sprintf"; + + $f = isset($this->libFunctions[$name]) ? + $this->libFunctions[$name] : array($this, 'lib_'.str_replace('-', '_', $name)); + + if (is_callable($f)) { + if ($args[0] == 'list') + $args = self::compressList($args[2], $args[1]); + + $ret = call_user_func($f, $this->reduce($args, true), $this); + + if (is_null($ret)) { + return array("string", "", array( + $name, "(", $args, ")" + )); + } + + // convert to a typed value if the result is a php primitive + if (is_numeric($ret)) $ret = array('number', $ret, ""); + elseif (!is_array($ret)) $ret = array('keyword', $ret); + + return $ret; + } + + // plain function, reduce args + $value[2] = $this->reduce($value[2]); + return $value; + case "unary": + list(, $op, $exp) = $value; + $exp = $this->reduce($exp); + + if ($exp[0] == "number") { + switch ($op) { + case "+": + return $exp; + case "-": + $exp[1] *= -1; + return $exp; + } + } + return array("string", "", array($op, $exp)); + } + + if ($forExpression) { + switch ($value[0]) { + case "keyword": + if ($color = $this->coerceColor($value)) { + return $color; + } + break; + case "raw_color": + return $this->coerceColor($value); + } + } + + return $value; + } + + + // coerce a value for use in color operation + protected function coerceColor($value) { + switch($value[0]) { + case 'color': return $value; + case 'raw_color': + $c = array("color", 0, 0, 0); + $colorStr = substr($value[1], 1); + $num = hexdec($colorStr); + $width = strlen($colorStr) == 3 ? 16 : 256; + + for ($i = 3; $i > 0; $i--) { // 3 2 1 + $t = $num % $width; + $num /= $width; + + $c[$i] = $t * (256/$width) + $t * floor(16/$width); + } + + return $c; + case 'keyword': + $name = $value[1]; + if (isset(self::$cssColors[$name])) { + $rgba = explode(',', self::$cssColors[$name]); + + if(isset($rgba[3])) + return array('color', $rgba[0], $rgba[1], $rgba[2], $rgba[3]); + + return array('color', $rgba[0], $rgba[1], $rgba[2]); + } + return null; + } + } + + // make something string like into a string + protected function coerceString($value) { + switch ($value[0]) { + case "string": + return $value; + case "keyword": + return array("string", "", array($value[1])); + } + return null; + } + + // turn list of length 1 into value type + protected function flattenList($value) { + if ($value[0] == "list" && count($value[2]) == 1) { + return $this->flattenList($value[2][0]); + } + return $value; + } + + public function toBool($a) { + if ($a) return self::$TRUE; + else return self::$FALSE; + } + + // evaluate an expression + protected function evaluate($exp) { + list(, $op, $left, $right, $whiteBefore, $whiteAfter) = $exp; + + $left = $this->reduce($left, true); + $right = $this->reduce($right, true); + + if ($leftColor = $this->coerceColor($left)) { + $left = $leftColor; + } + + if ($rightColor = $this->coerceColor($right)) { + $right = $rightColor; + } + + $ltype = $left[0]; + $rtype = $right[0]; + + // operators that work on all types + if ($op == "and") { + return $this->toBool($left == self::$TRUE && $right == self::$TRUE); + } + + if ($op == "=") { + return $this->toBool($this->eq($left, $right) ); + } + + if ($op == "+" && !is_null($str = $this->stringConcatenate($left, $right))) { + return $str; + } + + // type based operators + $fname = "op_${ltype}_${rtype}"; + if (is_callable(array($this, $fname))) { + $out = $this->$fname($op, $left, $right); + if (!is_null($out)) return $out; + } + + // make the expression look it did before being parsed + $paddedOp = $op; + if ($whiteBefore) $paddedOp = " " . $paddedOp; + if ($whiteAfter) $paddedOp .= " "; + + return array("string", "", array($left, $paddedOp, $right)); + } + + protected function stringConcatenate($left, $right) { + if ($strLeft = $this->coerceString($left)) { + if ($right[0] == "string") { + $right[1] = ""; + } + $strLeft[2][] = $right; + return $strLeft; + } + + if ($strRight = $this->coerceString($right)) { + array_unshift($strRight[2], $left); + return $strRight; + } + } + + + // make sure a color's components don't go out of bounds + protected function fixColor($c) { + foreach (range(1, 3) as $i) { + if ($c[$i] < 0) $c[$i] = 0; + if ($c[$i] > 255) $c[$i] = 255; + } + + return $c; + } + + protected function op_number_color($op, $lft, $rgt) { + if ($op == '+' || $op == '*') { + return $this->op_color_number($op, $rgt, $lft); + } + } + + protected function op_color_number($op, $lft, $rgt) { + if ($rgt[0] == '%') $rgt[1] /= 100; + + return $this->op_color_color($op, $lft, + array_fill(1, count($lft) - 1, $rgt[1])); + } + + protected function op_color_color($op, $left, $right) { + $out = array('color'); + $max = count($left) > count($right) ? count($left) : count($right); + foreach (range(1, $max - 1) as $i) { + $lval = isset($left[$i]) ? $left[$i] : 0; + $rval = isset($right[$i]) ? $right[$i] : 0; + switch ($op) { + case '+': + $out[] = $lval + $rval; + break; + case '-': + $out[] = $lval - $rval; + break; + case '*': + $out[] = $lval * $rval; + break; + case '%': + $out[] = $lval % $rval; + break; + case '/': + if ($rval == 0) $this->throwError("evaluate error: can't divide by zero"); + $out[] = $lval / $rval; + break; + default: + $this->throwError('evaluate error: color op number failed on op '.$op); + } + } + return $this->fixColor($out); + } + + function lib_red($color){ + $color = $this->coerceColor($color); + if (is_null($color)) { + $this->throwError('color expected for red()'); + } + + return $color[1]; + } + + function lib_green($color){ + $color = $this->coerceColor($color); + if (is_null($color)) { + $this->throwError('color expected for green()'); + } + + return $color[2]; + } + + function lib_blue($color){ + $color = $this->coerceColor($color); + if (is_null($color)) { + $this->throwError('color expected for blue()'); + } + + return $color[3]; + } + + + // operator on two numbers + protected function op_number_number($op, $left, $right) { + $unit = empty($left[2]) ? $right[2] : $left[2]; + + $value = 0; + switch ($op) { + case '+': + $value = $left[1] + $right[1]; + break; + case '*': + $value = $left[1] * $right[1]; + break; + case '-': + $value = $left[1] - $right[1]; + break; + case '%': + $value = $left[1] % $right[1]; + break; + case '/': + if ($right[1] == 0) $this->throwError('parse error: divide by zero'); + $value = $left[1] / $right[1]; + break; + case '<': + return $this->toBool($left[1] < $right[1]); + case '>': + return $this->toBool($left[1] > $right[1]); + case '>=': + return $this->toBool($left[1] >= $right[1]); + case '=<': + return $this->toBool($left[1] <= $right[1]); + default: + $this->throwError('parse error: unknown number operator: '.$op); + } + + return array("number", $value, $unit); + } + + + /* environment functions */ + + protected function makeOutputBlock($type, $selectors = null) { + $b = new stdclass; + $b->lines = array(); + $b->children = array(); + $b->selectors = $selectors; + $b->type = $type; + $b->parent = $this->scope; + return $b; + } + + // the state of execution + protected function pushEnv($block = null) { + $e = new stdclass; + $e->parent = $this->env; + $e->store = array(); + $e->block = $block; + + $this->env = $e; + return $e; + } + + // pop something off the stack + protected function popEnv() { + $old = $this->env; + $this->env = $this->env->parent; + return $old; + } + + // set something in the current env + protected function set($name, $value) { + $this->env->store[$name] = $value; + } + + + // get the highest occurrence entry for a name + protected function get($name) { + $current = $this->env; + + $isArguments = $name == $this->vPrefix . 'arguments'; + while ($current) { + if ($isArguments && isset($current->arguments)) { + return array('list', ' ', $current->arguments); + } + + if (isset($current->store[$name])) + return $current->store[$name]; + else { + $current = isset($current->storeParent) ? + $current->storeParent : $current->parent; + } + } + + $this->throwError("variable $name is undefined"); + } + + // inject array of unparsed strings into environment as variables + protected function injectVariables($args) { + $this->pushEnv(); + $parser = new lessc_parser($this, __METHOD__); + foreach ($args as $name => $strValue) { + if ($name{0} != '@') $name = '@'.$name; + $parser->count = 0; + $parser->buffer = (string)$strValue; + if (!$parser->propertyValue($value)) { + throw new Exception("failed to parse passed in variable $name: $strValue"); + } + + $this->set($name, $value); + } + } + + /** + * Initialize any static state, can initialize parser for a file + * $opts isn't used yet + */ + public function __construct($fname = null) { + if ($fname !== null) { + // used for deprecated parse method + $this->_parseFile = $fname; + } + } + + public function compile($string, $name = null) { + $locale = setlocale(LC_NUMERIC, 0); + setlocale(LC_NUMERIC, "C"); + + $this->parser = $this->makeParser($name); + $root = $this->parser->parse($string); + + $this->env = null; + $this->scope = null; + + $this->formatter = $this->newFormatter(); + + if (!empty($this->registeredVars)) { + $this->injectVariables($this->registeredVars); + } + + $this->sourceParser = $this->parser; // used for error messages + $this->compileBlock($root); + + ob_start(); + $this->formatter->block($this->scope); + $out = ob_get_clean(); + setlocale(LC_NUMERIC, $locale); + return $out; + } + + public function compileFile($fname, $outFname = null) { + if (!is_readable($fname)) { + throw new Exception('load error: failed to find '.$fname); + } + + $pi = pathinfo($fname); + + $oldImport = $this->importDir; + + $this->importDir = (array)$this->importDir; + $this->importDir[] = $pi['dirname'].'/'; + + $this->addParsedFile($fname); + + $out = $this->compile(file_get_contents($fname), $fname); + + $this->importDir = $oldImport; + + if ($outFname !== null) { + return file_put_contents($outFname, $out); + } + + return $out; + } + + // compile only if changed input has changed or output doesn't exist + public function checkedCompile($in, $out) { + if (!is_file($out) || filemtime($in) > filemtime($out)) { + $this->compileFile($in, $out); + return true; + } + return false; + } + + /** + * Execute lessphp on a .less file or a lessphp cache structure + * + * The lessphp cache structure contains information about a specific + * less file having been parsed. It can be used as a hint for future + * calls to determine whether or not a rebuild is required. + * + * The cache structure contains two important keys that may be used + * externally: + * + * compiled: The final compiled CSS + * updated: The time (in seconds) the CSS was last compiled + * + * The cache structure is a plain-ol' PHP associative array and can + * be serialized and unserialized without a hitch. + * + * @param mixed $in Input + * @param bool $force Force rebuild? + * @return array lessphp cache structure + */ + public function cachedCompile($in, $force = false) { + // assume no root + $root = null; + + if (is_string($in)) { + $root = $in; + } elseif (is_array($in) and isset($in['root'])) { + if ($force or ! isset($in['files'])) { + // If we are forcing a recompile or if for some reason the + // structure does not contain any file information we should + // specify the root to trigger a rebuild. + $root = $in['root']; + } elseif (isset($in['files']) and is_array($in['files'])) { + foreach ($in['files'] as $fname => $ftime ) { + if (!file_exists($fname) or filemtime($fname) > $ftime) { + // One of the files we knew about previously has changed + // so we should look at our incoming root again. + $root = $in['root']; + break; + } + } + } + } else { + // TODO: Throw an exception? We got neither a string nor something + // that looks like a compatible lessphp cache structure. + return null; + } + + if ($root !== null) { + // If we have a root value which means we should rebuild. + $out = array(); + $out['root'] = $root; + $out['compiled'] = $this->compileFile($root); + $out['files'] = $this->allParsedFiles(); + $out['updated'] = time(); + return $out; + } else { + // No changes, pass back the structure + // we were given initially. + return $in; + } + + } + + // parse and compile buffer + // This is deprecated + public function parse($str = null, $initialVariables = null) { + if (is_array($str)) { + $initialVariables = $str; + $str = null; + } + + $oldVars = $this->registeredVars; + if ($initialVariables !== null) { + $this->setVariables($initialVariables); + } + + if ($str == null) { + if (empty($this->_parseFile)) { + throw new exception("nothing to parse"); + } + + $out = $this->compileFile($this->_parseFile); + } else { + $out = $this->compile($str); + } + + $this->registeredVars = $oldVars; + return $out; + } + + protected function makeParser($name) { + $parser = new lessc_parser($this, $name); + $parser->writeComments = $this->preserveComments; + + return $parser; + } + + public function setFormatter($name) { + $this->formatterName = $name; + } + + protected function newFormatter() { + $className = "lessc_formatter_lessjs"; + if (!empty($this->formatterName)) { + if (!is_string($this->formatterName)) + return $this->formatterName; + $className = "lessc_formatter_$this->formatterName"; + } + + return new $className; + } + + public function setPreserveComments($preserve) { + $this->preserveComments = $preserve; + } + + public function registerFunction($name, $func) { + $this->libFunctions[$name] = $func; + } + + public function unregisterFunction($name) { + unset($this->libFunctions[$name]); + } + + public function setVariables($variables) { + $this->registeredVars = array_merge($this->registeredVars, $variables); + } + + public function unsetVariable($name) { + unset($this->registeredVars[$name]); + } + + public function setImportDir($dirs) { + $this->importDir = (array)$dirs; + } + + public function addImportDir($dir) { + $this->importDir = (array)$this->importDir; + $this->importDir[] = $dir; + } + + public function allParsedFiles() { + return $this->allParsedFiles; + } + + public function addParsedFile($file) { + $this->allParsedFiles[realpath($file)] = filemtime($file); + } + + /** + * Uses the current value of $this->count to show line and line number + */ + public function throwError($msg = null) { + if ($this->sourceLoc >= 0) { + $this->sourceParser->throwError($msg, $this->sourceLoc); + } + throw new exception($msg); + } + + // compile file $in to file $out if $in is newer than $out + // returns true when it compiles, false otherwise + public static function ccompile($in, $out, $less = null) { + if ($less === null) { + $less = new self; + } + return $less->checkedCompile($in, $out); + } + + public static function cexecute($in, $force = false, $less = null) { + if ($less === null) { + $less = new self; + } + return $less->cachedCompile($in, $force); + } + + static protected $cssColors = array( + 'aliceblue' => '240,248,255', + 'antiquewhite' => '250,235,215', + 'aqua' => '0,255,255', + 'aquamarine' => '127,255,212', + 'azure' => '240,255,255', + 'beige' => '245,245,220', + 'bisque' => '255,228,196', + 'black' => '0,0,0', + 'blanchedalmond' => '255,235,205', + 'blue' => '0,0,255', + 'blueviolet' => '138,43,226', + 'brown' => '165,42,42', + 'burlywood' => '222,184,135', + 'cadetblue' => '95,158,160', + 'chartreuse' => '127,255,0', + 'chocolate' => '210,105,30', + 'coral' => '255,127,80', + 'cornflowerblue' => '100,149,237', + 'cornsilk' => '255,248,220', + 'crimson' => '220,20,60', + 'cyan' => '0,255,255', + 'darkblue' => '0,0,139', + 'darkcyan' => '0,139,139', + 'darkgoldenrod' => '184,134,11', + 'darkgray' => '169,169,169', + 'darkgreen' => '0,100,0', + 'darkgrey' => '169,169,169', + 'darkkhaki' => '189,183,107', + 'darkmagenta' => '139,0,139', + 'darkolivegreen' => '85,107,47', + 'darkorange' => '255,140,0', + 'darkorchid' => '153,50,204', + 'darkred' => '139,0,0', + 'darksalmon' => '233,150,122', + 'darkseagreen' => '143,188,143', + 'darkslateblue' => '72,61,139', + 'darkslategray' => '47,79,79', + 'darkslategrey' => '47,79,79', + 'darkturquoise' => '0,206,209', + 'darkviolet' => '148,0,211', + 'deeppink' => '255,20,147', + 'deepskyblue' => '0,191,255', + 'dimgray' => '105,105,105', + 'dimgrey' => '105,105,105', + 'dodgerblue' => '30,144,255', + 'firebrick' => '178,34,34', + 'floralwhite' => '255,250,240', + 'forestgreen' => '34,139,34', + 'fuchsia' => '255,0,255', + 'gainsboro' => '220,220,220', + 'ghostwhite' => '248,248,255', + 'gold' => '255,215,0', + 'goldenrod' => '218,165,32', + 'gray' => '128,128,128', + 'green' => '0,128,0', + 'greenyellow' => '173,255,47', + 'grey' => '128,128,128', + 'honeydew' => '240,255,240', + 'hotpink' => '255,105,180', + 'indianred' => '205,92,92', + 'indigo' => '75,0,130', + 'ivory' => '255,255,240', + 'khaki' => '240,230,140', + 'lavender' => '230,230,250', + 'lavenderblush' => '255,240,245', + 'lawngreen' => '124,252,0', + 'lemonchiffon' => '255,250,205', + 'lightblue' => '173,216,230', + 'lightcoral' => '240,128,128', + 'lightcyan' => '224,255,255', + 'lightgoldenrodyellow' => '250,250,210', + 'lightgray' => '211,211,211', + 'lightgreen' => '144,238,144', + 'lightgrey' => '211,211,211', + 'lightpink' => '255,182,193', + 'lightsalmon' => '255,160,122', + 'lightseagreen' => '32,178,170', + 'lightskyblue' => '135,206,250', + 'lightslategray' => '119,136,153', + 'lightslategrey' => '119,136,153', + 'lightsteelblue' => '176,196,222', + 'lightyellow' => '255,255,224', + 'lime' => '0,255,0', + 'limegreen' => '50,205,50', + 'linen' => '250,240,230', + 'magenta' => '255,0,255', + 'maroon' => '128,0,0', + 'mediumaquamarine' => '102,205,170', + 'mediumblue' => '0,0,205', + 'mediumorchid' => '186,85,211', + 'mediumpurple' => '147,112,219', + 'mediumseagreen' => '60,179,113', + 'mediumslateblue' => '123,104,238', + 'mediumspringgreen' => '0,250,154', + 'mediumturquoise' => '72,209,204', + 'mediumvioletred' => '199,21,133', + 'midnightblue' => '25,25,112', + 'mintcream' => '245,255,250', + 'mistyrose' => '255,228,225', + 'moccasin' => '255,228,181', + 'navajowhite' => '255,222,173', + 'navy' => '0,0,128', + 'oldlace' => '253,245,230', + 'olive' => '128,128,0', + 'olivedrab' => '107,142,35', + 'orange' => '255,165,0', + 'orangered' => '255,69,0', + 'orchid' => '218,112,214', + 'palegoldenrod' => '238,232,170', + 'palegreen' => '152,251,152', + 'paleturquoise' => '175,238,238', + 'palevioletred' => '219,112,147', + 'papayawhip' => '255,239,213', + 'peachpuff' => '255,218,185', + 'peru' => '205,133,63', + 'pink' => '255,192,203', + 'plum' => '221,160,221', + 'powderblue' => '176,224,230', + 'purple' => '128,0,128', + 'red' => '255,0,0', + 'rosybrown' => '188,143,143', + 'royalblue' => '65,105,225', + 'saddlebrown' => '139,69,19', + 'salmon' => '250,128,114', + 'sandybrown' => '244,164,96', + 'seagreen' => '46,139,87', + 'seashell' => '255,245,238', + 'sienna' => '160,82,45', + 'silver' => '192,192,192', + 'skyblue' => '135,206,235', + 'slateblue' => '106,90,205', + 'slategray' => '112,128,144', + 'slategrey' => '112,128,144', + 'snow' => '255,250,250', + 'springgreen' => '0,255,127', + 'steelblue' => '70,130,180', + 'tan' => '210,180,140', + 'teal' => '0,128,128', + 'thistle' => '216,191,216', + 'tomato' => '255,99,71', + 'transparent' => '0,0,0,0', + 'turquoise' => '64,224,208', + 'violet' => '238,130,238', + 'wheat' => '245,222,179', + 'white' => '255,255,255', + 'whitesmoke' => '245,245,245', + 'yellow' => '255,255,0', + 'yellowgreen' => '154,205,50' + ); +} + +// responsible for taking a string of LESS code and converting it into a +// syntax tree +class lessc_parser { + static protected $nextBlockId = 0; // used to uniquely identify blocks + + static protected $precedence = array( + '=<' => 0, + '>=' => 0, + '=' => 0, + '<' => 0, + '>' => 0, + + '+' => 1, + '-' => 1, + '*' => 2, + '/' => 2, + '%' => 2, + ); + + static protected $whitePattern; + static protected $commentMulti; + + static protected $commentSingle = "//"; + static protected $commentMultiLeft = "/*"; + static protected $commentMultiRight = "*/"; + + // regex string to match any of the operators + static protected $operatorString; + + // these properties will supress division unless it's inside parenthases + static protected $supressDivisionProps = + array('/border-radius$/i', '/^font$/i'); + + protected $blockDirectives = array("font-face", "keyframes", "page", "-moz-document", "viewport", "-moz-viewport", "-o-viewport", "-ms-viewport"); + protected $lineDirectives = array("charset"); + + /** + * if we are in parens we can be more liberal with whitespace around + * operators because it must evaluate to a single value and thus is less + * ambiguous. + * + * Consider: + * property1: 10 -5; // is two numbers, 10 and -5 + * property2: (10 -5); // should evaluate to 5 + */ + protected $inParens = false; + + // caches preg escaped literals + static protected $literalCache = array(); + + public function __construct($lessc, $sourceName = null) { + $this->eatWhiteDefault = true; + // reference to less needed for vPrefix, mPrefix, and parentSelector + $this->lessc = $lessc; + + $this->sourceName = $sourceName; // name used for error messages + + $this->writeComments = false; + + if (!self::$operatorString) { + self::$operatorString = + '('.implode('|', array_map(array('lessc', 'preg_quote'), + array_keys(self::$precedence))).')'; + + $commentSingle = lessc::preg_quote(self::$commentSingle); + $commentMultiLeft = lessc::preg_quote(self::$commentMultiLeft); + $commentMultiRight = lessc::preg_quote(self::$commentMultiRight); + + self::$commentMulti = $commentMultiLeft.'.*?'.$commentMultiRight; + self::$whitePattern = '/'.$commentSingle.'[^\n]*\s*|('.self::$commentMulti.')\s*|\s+/Ais'; + } + } + + public function parse($buffer) { + $this->count = 0; + $this->line = 1; + + $this->env = null; // block stack + $this->buffer = $this->writeComments ? $buffer : $this->removeComments($buffer); + $this->pushSpecialBlock("root"); + $this->eatWhiteDefault = true; + $this->seenComments = array(); + + // trim whitespace on head + // if (preg_match('/^\s+/', $this->buffer, $m)) { + // $this->line += substr_count($m[0], "\n"); + // $this->buffer = ltrim($this->buffer); + // } + $this->whitespace(); + + // parse the entire file + while (false !== $this->parseChunk()); + + if ($this->count != strlen($this->buffer)) + $this->throwError(); + + // TODO report where the block was opened + if ( !property_exists($this->env, 'parent') || !is_null($this->env->parent) ) + throw new exception('parse error: unclosed block'); + + return $this->env; + } + + /** + * Parse a single chunk off the head of the buffer and append it to the + * current parse environment. + * Returns false when the buffer is empty, or when there is an error. + * + * This function is called repeatedly until the entire document is + * parsed. + * + * This parser is most similar to a recursive descent parser. Single + * functions represent discrete grammatical rules for the language, and + * they are able to capture the text that represents those rules. + * + * Consider the function lessc::keyword(). (all parse functions are + * structured the same) + * + * The function takes a single reference argument. When calling the + * function it will attempt to match a keyword on the head of the buffer. + * If it is successful, it will place the keyword in the referenced + * argument, advance the position in the buffer, and return true. If it + * fails then it won't advance the buffer and it will return false. + * + * All of these parse functions are powered by lessc::match(), which behaves + * the same way, but takes a literal regular expression. Sometimes it is + * more convenient to use match instead of creating a new function. + * + * Because of the format of the functions, to parse an entire string of + * grammatical rules, you can chain them together using &&. + * + * But, if some of the rules in the chain succeed before one fails, then + * the buffer position will be left at an invalid state. In order to + * avoid this, lessc::seek() is used to remember and set buffer positions. + * + * Before parsing a chain, use $s = $this->seek() to remember the current + * position into $s. Then if a chain fails, use $this->seek($s) to + * go back where we started. + */ + protected function parseChunk() { + if (empty($this->buffer)) return false; + $s = $this->seek(); + + if ($this->whitespace()) { + return true; + } + + // setting a property + if ($this->keyword($key) && $this->assign() && + $this->propertyValue($value, $key) && $this->end()) + { + $this->append(array('assign', $key, $value), $s); + return true; + } else { + $this->seek($s); + } + + + // look for special css blocks + if ($this->literal('@', false)) { + $this->count--; + + // media + if ($this->literal('@media')) { + if (($this->mediaQueryList($mediaQueries) || true) + && $this->literal('{')) + { + $media = $this->pushSpecialBlock("media"); + $media->queries = is_null($mediaQueries) ? array() : $mediaQueries; + return true; + } else { + $this->seek($s); + return false; + } + } + + if ($this->literal("@", false) && $this->keyword($dirName)) { + if ($this->isDirective($dirName, $this->blockDirectives)) { + if (($this->openString("{", $dirValue, null, array(";")) || true) && + $this->literal("{")) + { + $dir = $this->pushSpecialBlock("directive"); + $dir->name = $dirName; + if (isset($dirValue)) $dir->value = $dirValue; + return true; + } + } elseif ($this->isDirective($dirName, $this->lineDirectives)) { + if ($this->propertyValue($dirValue) && $this->end()) { + $this->append(array("directive", $dirName, $dirValue)); + return true; + } + } + } + + $this->seek($s); + } + + // setting a variable + if ($this->variable($var) && $this->assign() && + $this->propertyValue($value) && $this->end()) + { + $this->append(array('assign', $var, $value), $s); + return true; + } else { + $this->seek($s); + } + + if ($this->import($importValue)) { + $this->append($importValue, $s); + return true; + } + + // opening parametric mixin + if ($this->tag($tag, true) && $this->argumentDef($args, $isVararg) && + ($this->guards($guards) || true) && + $this->literal('{')) + { + $block = $this->pushBlock($this->fixTags(array($tag))); + $block->args = $args; + $block->isVararg = $isVararg; + if (!empty($guards)) $block->guards = $guards; + return true; + } else { + $this->seek($s); + } + + // opening a simple block + if ($this->tags($tags) && $this->literal('{', false)) { + $tags = $this->fixTags($tags); + $this->pushBlock($tags); + return true; + } else { + $this->seek($s); + } + + // closing a block + if ($this->literal('}', false)) { + try { + $block = $this->pop(); + } catch (exception $e) { + $this->seek($s); + $this->throwError($e->getMessage()); + } + + $hidden = false; + if (is_null($block->type)) { + $hidden = true; + if (!isset($block->args)) { + foreach ($block->tags as $tag) { + if (!is_string($tag) || $tag{0} != $this->lessc->mPrefix) { + $hidden = false; + break; + } + } + } + + foreach ($block->tags as $tag) { + if (is_string($tag)) { + $this->env->children[$tag][] = $block; + } + } + } + + if (!$hidden) { + $this->append(array('block', $block), $s); + } + + // this is done here so comments aren't bundled into he block that + // was just closed + $this->whitespace(); + return true; + } + + // mixin + if ($this->mixinTags($tags) && + ($this->argumentDef($argv, $isVararg) || true) && + ($this->keyword($suffix) || true) && $this->end()) + { + $tags = $this->fixTags($tags); + $this->append(array('mixin', $tags, $argv, $suffix), $s); + return true; + } else { + $this->seek($s); + } + + // spare ; + if ($this->literal(';')) return true; + + return false; // got nothing, throw error + } + + protected function isDirective($dirname, $directives) { + // TODO: cache pattern in parser + $pattern = implode("|", + array_map(array("lessc", "preg_quote"), $directives)); + $pattern = '/^(-[a-z-]+-)?(' . $pattern . ')$/i'; + + return preg_match($pattern, $dirname); + } + + protected function fixTags($tags) { + // move @ tags out of variable namespace + foreach ($tags as &$tag) { + if ($tag{0} == $this->lessc->vPrefix) + $tag[0] = $this->lessc->mPrefix; + } + return $tags; + } + + // a list of expressions + protected function expressionList(&$exps) { + $values = array(); + + while ($this->expression($exp)) { + $values[] = $exp; + } + + if (count($values) == 0) return false; + + $exps = lessc::compressList($values, ' '); + return true; + } + + /** + * Attempt to consume an expression. + * @link http://en.wikipedia.org/wiki/Operator-precedence_parser#Pseudo-code + */ + protected function expression(&$out) { + if ($this->value($lhs)) { + $out = $this->expHelper($lhs, 0); + + // look for / shorthand + if (!empty($this->env->supressedDivision)) { + unset($this->env->supressedDivision); + $s = $this->seek(); + if ($this->literal("/") && $this->value($rhs)) { + $out = array("list", "", + array($out, array("keyword", "/"), $rhs)); + } else { + $this->seek($s); + } + } + + return true; + } + return false; + } + + /** + * recursively parse infix equation with $lhs at precedence $minP + */ + protected function expHelper($lhs, $minP) { + $this->inExp = true; + $ss = $this->seek(); + + while (true) { + $whiteBefore = isset($this->buffer[$this->count - 1]) && + ctype_space($this->buffer[$this->count - 1]); + + // If there is whitespace before the operator, then we require + // whitespace after the operator for it to be an expression + $needWhite = $whiteBefore && !$this->inParens; + + if ($this->match(self::$operatorString.($needWhite ? '\s' : ''), $m) && self::$precedence[$m[1]] >= $minP) { + if (!$this->inParens && isset($this->env->currentProperty) && $m[1] == "/" && empty($this->env->supressedDivision)) { + foreach (self::$supressDivisionProps as $pattern) { + if (preg_match($pattern, $this->env->currentProperty)) { + $this->env->supressedDivision = true; + break 2; + } + } + } + + + $whiteAfter = isset($this->buffer[$this->count - 1]) && + ctype_space($this->buffer[$this->count - 1]); + + if (!$this->value($rhs)) break; + + // peek for next operator to see what to do with rhs + if ($this->peek(self::$operatorString, $next) && self::$precedence[$next[1]] > self::$precedence[$m[1]]) { + $rhs = $this->expHelper($rhs, self::$precedence[$next[1]]); + } + + $lhs = array('expression', $m[1], $lhs, $rhs, $whiteBefore, $whiteAfter); + $ss = $this->seek(); + + continue; + } + + break; + } + + $this->seek($ss); + + return $lhs; + } + + // consume a list of values for a property + public function propertyValue(&$value, $keyName = null) { + $values = array(); + + if ($keyName !== null) $this->env->currentProperty = $keyName; + + $s = null; + while ($this->expressionList($v)) { + $values[] = $v; + $s = $this->seek(); + if (!$this->literal(',')) break; + } + + if ($s) $this->seek($s); + + if ($keyName !== null) unset($this->env->currentProperty); + + if (count($values) == 0) return false; + + $value = lessc::compressList($values, ', '); + return true; + } + + protected function parenValue(&$out) { + $s = $this->seek(); + + // speed shortcut + if (isset($this->buffer[$this->count]) && $this->buffer[$this->count] != "(") { + return false; + } + + $inParens = $this->inParens; + if ($this->literal("(") && + ($this->inParens = true) && $this->expression($exp) && + $this->literal(")")) + { + $out = $exp; + $this->inParens = $inParens; + return true; + } else { + $this->inParens = $inParens; + $this->seek($s); + } + + return false; + } + + // a single value + protected function value(&$value) { + $s = $this->seek(); + + // speed shortcut + if (isset($this->buffer[$this->count]) && $this->buffer[$this->count] == "-") { + // negation + if ($this->literal("-", false) && + (($this->variable($inner) && $inner = array("variable", $inner)) || + $this->unit($inner) || + $this->parenValue($inner))) + { + $value = array("unary", "-", $inner); + return true; + } else { + $this->seek($s); + } + } + + if ($this->parenValue($value)) return true; + if ($this->unit($value)) return true; + if ($this->color($value)) return true; + if ($this->func($value)) return true; + if ($this->string($value)) return true; + + if ($this->keyword($word)) { + $value = array('keyword', $word); + return true; + } + + // try a variable + if ($this->variable($var)) { + $value = array('variable', $var); + return true; + } + + // unquote string (should this work on any type? + if ($this->literal("~") && $this->string($str)) { + $value = array("escape", $str); + return true; + } else { + $this->seek($s); + } + + // css hack: \0 + if ($this->literal('\\') && $this->match('([0-9]+)', $m)) { + $value = array('keyword', '\\'.$m[1]); + return true; + } else { + $this->seek($s); + } + + return false; + } + + // an import statement + protected function import(&$out) { + if (!$this->literal('@import')) return false; + + // @import "something.css" media; + // @import url("something.css") media; + // @import url(something.css) media; + + if ($this->propertyValue($value)) { + $out = array("import", $value); + return true; + } + } + + protected function mediaQueryList(&$out) { + if ($this->genericList($list, "mediaQuery", ",", false)) { + $out = $list[2]; + return true; + } + return false; + } + + protected function mediaQuery(&$out) { + $s = $this->seek(); + + $expressions = null; + $parts = array(); + + if (($this->literal("only") && ($only = true) || $this->literal("not") && ($not = true) || true) && $this->keyword($mediaType)) { + $prop = array("mediaType"); + if (isset($only)) $prop[] = "only"; + if (isset($not)) $prop[] = "not"; + $prop[] = $mediaType; + $parts[] = $prop; + } else { + $this->seek($s); + } + + + if (!empty($mediaType) && !$this->literal("and")) { + // ~ + } else { + $this->genericList($expressions, "mediaExpression", "and", false); + if (is_array($expressions)) $parts = array_merge($parts, $expressions[2]); + } + + if (count($parts) == 0) { + $this->seek($s); + return false; + } + + $out = $parts; + return true; + } + + protected function mediaExpression(&$out) { + $s = $this->seek(); + $value = null; + if ($this->literal("(") && + $this->keyword($feature) && + ($this->literal(":") && $this->expression($value) || true) && + $this->literal(")")) + { + $out = array("mediaExp", $feature); + if ($value) $out[] = $value; + return true; + } elseif ($this->variable($variable)) { + $out = array('variable', $variable); + return true; + } + + $this->seek($s); + return false; + } + + // an unbounded string stopped by $end + protected function openString($end, &$out, $nestingOpen=null, $rejectStrs = null) { + $oldWhite = $this->eatWhiteDefault; + $this->eatWhiteDefault = false; + + $stop = array("'", '"', "@{", $end); + $stop = array_map(array("lessc", "preg_quote"), $stop); + // $stop[] = self::$commentMulti; + + if (!is_null($rejectStrs)) { + $stop = array_merge($stop, $rejectStrs); + } + + $patt = '(.*?)('.implode("|", $stop).')'; + + $nestingLevel = 0; + + $content = array(); + while ($this->match($patt, $m, false)) { + if (!empty($m[1])) { + $content[] = $m[1]; + if ($nestingOpen) { + $nestingLevel += substr_count($m[1], $nestingOpen); + } + } + + $tok = $m[2]; + + $this->count-= strlen($tok); + if ($tok == $end) { + if ($nestingLevel == 0) { + break; + } else { + $nestingLevel--; + } + } + + if (($tok == "'" || $tok == '"') && $this->string($str)) { + $content[] = $str; + continue; + } + + if ($tok == "@{" && $this->interpolation($inter)) { + $content[] = $inter; + continue; + } + + if (!empty($rejectStrs) && in_array($tok, $rejectStrs)) { + break; + } + + $content[] = $tok; + $this->count+= strlen($tok); + } + + $this->eatWhiteDefault = $oldWhite; + + if (count($content) == 0) return false; + + // trim the end + if (is_string(end($content))) { + $content[count($content) - 1] = rtrim(end($content)); + } + + $out = array("string", "", $content); + return true; + } + + protected function string(&$out) { + $s = $this->seek(); + if ($this->literal('"', false)) { + $delim = '"'; + } elseif ($this->literal("'", false)) { + $delim = "'"; + } else { + return false; + } + + $content = array(); + + // look for either ending delim , escape, or string interpolation + $patt = '([^\n]*?)(@\{|\\\\|' . + lessc::preg_quote($delim).')'; + + $oldWhite = $this->eatWhiteDefault; + $this->eatWhiteDefault = false; + + while ($this->match($patt, $m, false)) { + $content[] = $m[1]; + if ($m[2] == "@{") { + $this->count -= strlen($m[2]); + if ($this->interpolation($inter, false)) { + $content[] = $inter; + } else { + $this->count += strlen($m[2]); + $content[] = "@{"; // ignore it + } + } elseif ($m[2] == '\\') { + $content[] = $m[2]; + if ($this->literal($delim, false)) { + $content[] = $delim; + } + } else { + $this->count -= strlen($delim); + break; // delim + } + } + + $this->eatWhiteDefault = $oldWhite; + + if ($this->literal($delim)) { + $out = array("string", $delim, $content); + return true; + } + + $this->seek($s); + return false; + } + + protected function interpolation(&$out) { + $oldWhite = $this->eatWhiteDefault; + $this->eatWhiteDefault = true; + + $s = $this->seek(); + if ($this->literal("@{") && + $this->openString("}", $interp, null, array("'", '"', ";")) && + $this->literal("}", false)) + { + $out = array("interpolate", $interp); + $this->eatWhiteDefault = $oldWhite; + if ($this->eatWhiteDefault) $this->whitespace(); + return true; + } + + $this->eatWhiteDefault = $oldWhite; + $this->seek($s); + return false; + } + + protected function unit(&$unit) { + // speed shortcut + if (isset($this->buffer[$this->count])) { + $char = $this->buffer[$this->count]; + if (!ctype_digit($char) && $char != ".") return false; + } + + if ($this->match('([0-9]+(?:\.[0-9]*)?|\.[0-9]+)([%a-zA-Z]+)?', $m)) { + $unit = array("number", $m[1], empty($m[2]) ? "" : $m[2]); + return true; + } + return false; + } + + // a # color + protected function color(&$out) { + if ($this->match('(#(?:[0-9a-f]{8}|[0-9a-f]{6}|[0-9a-f]{3}))', $m)) { + if (strlen($m[1]) > 7) { + $out = array("string", "", array($m[1])); + } else { + $out = array("raw_color", $m[1]); + } + return true; + } + + return false; + } + + // consume an argument definition list surrounded by () + // each argument is a variable name with optional value + // or at the end a ... or a variable named followed by ... + // arguments are separated by , unless a ; is in the list, then ; is the + // delimiter. + protected function argumentDef(&$args, &$isVararg) { + $s = $this->seek(); + if (!$this->literal('(')) return false; + + $values = array(); + $delim = ","; + $method = "expressionList"; + + $isVararg = false; + while (true) { + if ($this->literal("...")) { + $isVararg = true; + break; + } + + if ($this->$method($value)) { + if ($value[0] == "variable") { + $arg = array("arg", $value[1]); + $ss = $this->seek(); + + if ($this->assign() && $this->$method($rhs)) { + $arg[] = $rhs; + } else { + $this->seek($ss); + if ($this->literal("...")) { + $arg[0] = "rest"; + $isVararg = true; + } + } + + $values[] = $arg; + if ($isVararg) break; + continue; + } else { + $values[] = array("lit", $value); + } + } + + + if (!$this->literal($delim)) { + if ($delim == "," && $this->literal(";")) { + // found new delim, convert existing args + $delim = ";"; + $method = "propertyValue"; + + // transform arg list + if (isset($values[1])) { // 2 items + $newList = array(); + foreach ($values as $i => $arg) { + switch($arg[0]) { + case "arg": + if ($i) { + $this->throwError("Cannot mix ; and , as delimiter types"); + } + $newList[] = $arg[2]; + break; + case "lit": + $newList[] = $arg[1]; + break; + case "rest": + $this->throwError("Unexpected rest before semicolon"); + } + } + + $newList = array("list", ", ", $newList); + + switch ($values[0][0]) { + case "arg": + $newArg = array("arg", $values[0][1], $newList); + break; + case "lit": + $newArg = array("lit", $newList); + break; + } + + } elseif ($values) { // 1 item + $newArg = $values[0]; + } + + if ($newArg) { + $values = array($newArg); + } + } else { + break; + } + } + } + + if (!$this->literal(')')) { + $this->seek($s); + return false; + } + + $args = $values; + + return true; + } + + // consume a list of tags + // this accepts a hanging delimiter + protected function tags(&$tags, $simple = false, $delim = ',') { + $tags = array(); + while ($this->tag($tt, $simple)) { + $tags[] = $tt; + if (!$this->literal($delim)) break; + } + if (count($tags) == 0) return false; + + return true; + } + + // list of tags of specifying mixin path + // optionally separated by > (lazy, accepts extra >) + protected function mixinTags(&$tags) { + $tags = array(); + while ($this->tag($tt, true)) { + $tags[] = $tt; + $this->literal(">"); + } + + if (count($tags) == 0) return false; + + return true; + } + + // a bracketed value (contained within in a tag definition) + protected function tagBracket(&$parts, &$hasExpression) { + // speed shortcut + if (isset($this->buffer[$this->count]) && $this->buffer[$this->count] != "[") { + return false; + } + + $s = $this->seek(); + + $hasInterpolation = false; + + if ($this->literal("[", false)) { + $attrParts = array("["); + // keyword, string, operator + while (true) { + if ($this->literal("]", false)) { + $this->count--; + break; // get out early + } + + if ($this->match('\s+', $m)) { + $attrParts[] = " "; + continue; + } + if ($this->string($str)) { + // escape parent selector, (yuck) + foreach ($str[2] as &$chunk) { + $chunk = str_replace($this->lessc->parentSelector, "$&$", $chunk); + } + + $attrParts[] = $str; + $hasInterpolation = true; + continue; + } + + if ($this->keyword($word)) { + $attrParts[] = $word; + continue; + } + + if ($this->interpolation($inter, false)) { + $attrParts[] = $inter; + $hasInterpolation = true; + continue; + } + + // operator, handles attr namespace too + if ($this->match('[|-~\$\*\^=]+', $m)) { + $attrParts[] = $m[0]; + continue; + } + + break; + } + + if ($this->literal("]", false)) { + $attrParts[] = "]"; + foreach ($attrParts as $part) { + $parts[] = $part; + } + $hasExpression = $hasExpression || $hasInterpolation; + return true; + } + $this->seek($s); + } + + $this->seek($s); + return false; + } + + // a space separated list of selectors + protected function tag(&$tag, $simple = false) { + if ($simple) + $chars = '^@,:;{}\][>\(\) "\''; + else + $chars = '^@,;{}["\''; + + $s = $this->seek(); + + $hasExpression = false; + $parts = array(); + while ($this->tagBracket($parts, $hasExpression)); + + $oldWhite = $this->eatWhiteDefault; + $this->eatWhiteDefault = false; + + while (true) { + if ($this->match('(['.$chars.'0-9]['.$chars.']*)', $m)) { + $parts[] = $m[1]; + if ($simple) break; + + while ($this->tagBracket($parts, $hasExpression)); + continue; + } + + if (isset($this->buffer[$this->count]) && $this->buffer[$this->count] == "@") { + if ($this->interpolation($interp)) { + $hasExpression = true; + $interp[2] = true; // don't unescape + $parts[] = $interp; + continue; + } + + if ($this->literal("@")) { + $parts[] = "@"; + continue; + } + } + + if ($this->unit($unit)) { // for keyframes + $parts[] = $unit[1]; + $parts[] = $unit[2]; + continue; + } + + break; + } + + $this->eatWhiteDefault = $oldWhite; + if (!$parts) { + $this->seek($s); + return false; + } + + if ($hasExpression) { + $tag = array("exp", array("string", "", $parts)); + } else { + $tag = trim(implode($parts)); + } + + $this->whitespace(); + return true; + } + + // a css function + protected function func(&$func) { + $s = $this->seek(); + + if ($this->match('(%|[\w\-_][\w\-_:\.]+|[\w_])', $m) && $this->literal('(')) { + $fname = $m[1]; + + $sPreArgs = $this->seek(); + + $args = array(); + while (true) { + $ss = $this->seek(); + // this ugly nonsense is for ie filter properties + if ($this->keyword($name) && $this->literal('=') && $this->expressionList($value)) { + $args[] = array("string", "", array($name, "=", $value)); + } else { + $this->seek($ss); + if ($this->expressionList($value)) { + $args[] = $value; + } + } + + if (!$this->literal(',')) break; + } + $args = array('list', ',', $args); + + if ($this->literal(')')) { + $func = array('function', $fname, $args); + return true; + } elseif ($fname == 'url') { + // couldn't parse and in url? treat as string + $this->seek($sPreArgs); + if ($this->openString(")", $string) && $this->literal(")")) { + $func = array('function', $fname, $string); + return true; + } + } + } + + $this->seek($s); + return false; + } + + // consume a less variable + protected function variable(&$name) { + $s = $this->seek(); + if ($this->literal($this->lessc->vPrefix, false) && + ($this->variable($sub) || $this->keyword($name))) + { + if (!empty($sub)) { + $name = array('variable', $sub); + } else { + $name = $this->lessc->vPrefix.$name; + } + return true; + } + + $name = null; + $this->seek($s); + return false; + } + + /** + * Consume an assignment operator + * Can optionally take a name that will be set to the current property name + */ + protected function assign($name = null) { + if ($name) $this->currentProperty = $name; + return $this->literal(':') || $this->literal('='); + } + + // consume a keyword + protected function keyword(&$word) { + if ($this->match('([\w_\-\*!"][\w\-_"]*)', $m)) { + $word = $m[1]; + return true; + } + return false; + } + + // consume an end of statement delimiter + protected function end() { + if ($this->literal(';', false)) { + return true; + } elseif ($this->count == strlen($this->buffer) || $this->buffer[$this->count] == '}') { + // if there is end of file or a closing block next then we don't need a ; + return true; + } + return false; + } + + protected function guards(&$guards) { + $s = $this->seek(); + + if (!$this->literal("when")) { + $this->seek($s); + return false; + } + + $guards = array(); + + while ($this->guardGroup($g)) { + $guards[] = $g; + if (!$this->literal(",")) break; + } + + if (count($guards) == 0) { + $guards = null; + $this->seek($s); + return false; + } + + return true; + } + + // a bunch of guards that are and'd together + // TODO rename to guardGroup + protected function guardGroup(&$guardGroup) { + $s = $this->seek(); + $guardGroup = array(); + while ($this->guard($guard)) { + $guardGroup[] = $guard; + if (!$this->literal("and")) break; + } + + if (count($guardGroup) == 0) { + $guardGroup = null; + $this->seek($s); + return false; + } + + return true; + } + + protected function guard(&$guard) { + $s = $this->seek(); + $negate = $this->literal("not"); + + if ($this->literal("(") && $this->expression($exp) && $this->literal(")")) { + $guard = $exp; + if ($negate) $guard = array("negate", $guard); + return true; + } + + $this->seek($s); + return false; + } + + /* raw parsing functions */ + + protected function literal($what, $eatWhitespace = null) { + if ($eatWhitespace === null) $eatWhitespace = $this->eatWhiteDefault; + + // shortcut on single letter + if (!isset($what[1]) && isset($this->buffer[$this->count])) { + if ($this->buffer[$this->count] == $what) { + if (!$eatWhitespace) { + $this->count++; + return true; + } + // goes below... + } else { + return false; + } + } + + if (!isset(self::$literalCache[$what])) { + self::$literalCache[$what] = lessc::preg_quote($what); + } + + return $this->match(self::$literalCache[$what], $m, $eatWhitespace); + } + + protected function genericList(&$out, $parseItem, $delim="", $flatten=true) { + $s = $this->seek(); + $items = array(); + while ($this->$parseItem($value)) { + $items[] = $value; + if ($delim) { + if (!$this->literal($delim)) break; + } + } + + if (count($items) == 0) { + $this->seek($s); + return false; + } + + if ($flatten && count($items) == 1) { + $out = $items[0]; + } else { + $out = array("list", $delim, $items); + } + + return true; + } + + + // advance counter to next occurrence of $what + // $until - don't include $what in advance + // $allowNewline, if string, will be used as valid char set + protected function to($what, &$out, $until = false, $allowNewline = false) { + if (is_string($allowNewline)) { + $validChars = $allowNewline; + } else { + $validChars = $allowNewline ? "." : "[^\n]"; + } + if (!$this->match('('.$validChars.'*?)'.lessc::preg_quote($what), $m, !$until)) return false; + if ($until) $this->count -= strlen($what); // give back $what + $out = $m[1]; + return true; + } + + // try to match something on head of buffer + protected function match($regex, &$out, $eatWhitespace = null) { + if ($eatWhitespace === null) $eatWhitespace = $this->eatWhiteDefault; + + $r = '/'.$regex.($eatWhitespace && !$this->writeComments ? '\s*' : '').'/Ais'; + if (preg_match($r, $this->buffer, $out, null, $this->count)) { + $this->count += strlen($out[0]); + if ($eatWhitespace && $this->writeComments) $this->whitespace(); + return true; + } + return false; + } + + // match some whitespace + protected function whitespace() { + if ($this->writeComments) { + $gotWhite = false; + while (preg_match(self::$whitePattern, $this->buffer, $m, null, $this->count)) { + if (isset($m[1]) && empty($this->seenComments[$this->count])) { + $this->append(array("comment", $m[1])); + $this->seenComments[$this->count] = true; + } + $this->count += strlen($m[0]); + $gotWhite = true; + } + return $gotWhite; + } else { + $this->match("", $m); + return strlen($m[0]) > 0; + } + } + + // match something without consuming it + protected function peek($regex, &$out = null, $from=null) { + if (is_null($from)) $from = $this->count; + $r = '/'.$regex.'/Ais'; + $result = preg_match($r, $this->buffer, $out, null, $from); + + return $result; + } + + // seek to a spot in the buffer or return where we are on no argument + protected function seek($where = null) { + if ($where === null) return $this->count; + else $this->count = $where; + return true; + } + + /* misc functions */ + + public function throwError($msg = "parse error", $count = null) { + $count = is_null($count) ? $this->count : $count; + + $line = $this->line + + substr_count(substr($this->buffer, 0, $count), "\n"); + + if (!empty($this->sourceName)) { + $loc = "$this->sourceName on line $line"; + } else { + $loc = "line: $line"; + } + + // TODO this depends on $this->count + if ($this->peek("(.*?)(\n|$)", $m, $count)) { + throw new exception("$msg: failed at `$m[1]` $loc"); + } else { + throw new exception("$msg: $loc"); + } + } + + protected function pushBlock($selectors=null, $type=null) { + $b = new stdclass; + $b->parent = $this->env; + + $b->type = $type; + $b->id = self::$nextBlockId++; + + $b->isVararg = false; // TODO: kill me from here + $b->tags = $selectors; + + $b->props = array(); + $b->children = array(); + + $this->env = $b; + return $b; + } + + // push a block that doesn't multiply tags + protected function pushSpecialBlock($type) { + return $this->pushBlock(null, $type); + } + + // append a property to the current block + protected function append($prop, $pos = null) { + if ($pos !== null) $prop[-1] = $pos; + $this->env->props[] = $prop; + } + + // pop something off the stack + protected function pop() { + $old = $this->env; + $this->env = $this->env->parent; + return $old; + } + + // remove comments from $text + // todo: make it work for all functions, not just url + protected function removeComments($text) { + $look = array( + 'url(', '//', '/*', '"', "'" + ); + + $out = ''; + $min = null; + while (true) { + // find the next item + foreach ($look as $token) { + $pos = strpos($text, $token); + if ($pos !== false) { + if (!isset($min) || $pos < $min[1]) $min = array($token, $pos); + } + } + + if (is_null($min)) break; + + $count = $min[1]; + $skip = 0; + $newlines = 0; + switch ($min[0]) { + case 'url(': + if (preg_match('/url\(.*?\)/', $text, $m, 0, $count)) + $count += strlen($m[0]) - strlen($min[0]); + break; + case '"': + case "'": + if (preg_match('/'.$min[0].'.*?(?indentLevel = 0; + } + + public function indentStr($n = 0) { + return str_repeat($this->indentChar, max($this->indentLevel + $n, 0)); + } + + public function property($name, $value) { + return $name . $this->assignSeparator . $value . ";"; + } + + protected function isEmpty($block) { + if (empty($block->lines)) { + foreach ($block->children as $child) { + if (!$this->isEmpty($child)) return false; + } + + return true; + } + return false; + } + + public function block($block) { + if ($this->isEmpty($block)) return; + + $inner = $pre = $this->indentStr(); + + $isSingle = !$this->disableSingle && + is_null($block->type) && count($block->lines) == 1; + + if (!empty($block->selectors)) { + $this->indentLevel++; + + if ($this->breakSelectors) { + $selectorSeparator = $this->selectorSeparator . $this->break . $pre; + } else { + $selectorSeparator = $this->selectorSeparator; + } + + echo $pre . + implode($selectorSeparator, $block->selectors); + if ($isSingle) { + echo $this->openSingle; + $inner = ""; + } else { + echo $this->open . $this->break; + $inner = $this->indentStr(); + } + + } + + if (!empty($block->lines)) { + $glue = $this->break.$inner; + echo $inner . implode($glue, $block->lines); + if (!$isSingle && !empty($block->children)) { + echo $this->break; + } + } + + foreach ($block->children as $child) { + $this->block($child); + } + + if (!empty($block->selectors)) { + if (!$isSingle && empty($block->children)) echo $this->break; + + if ($isSingle) { + echo $this->closeSingle . $this->break; + } else { + echo $pre . $this->close . $this->break; + } + + $this->indentLevel--; + } + } +} + +class lessc_formatter_compressed extends lessc_formatter_classic { + public $disableSingle = true; + public $open = "{"; + public $selectorSeparator = ","; + public $assignSeparator = ":"; + public $break = ""; + public $compressColors = true; + + public function indentStr($n = 0) { + return ""; + } +} + +class lessc_formatter_lessjs extends lessc_formatter_classic { + public $disableSingle = true; + public $breakSelectors = true; + public $assignSeparator = ": "; + public $selectorSeparator = ","; +} + + diff --git a/vendor/leafo/lessphp/lessify b/vendor/leafo/lessphp/lessify new file mode 100644 index 00000000..becc5388 --- /dev/null +++ b/vendor/leafo/lessphp/lessify @@ -0,0 +1,23 @@ +#!/usr/bin/php +parse(); +} catch (exception $e) { + exit("Fatal error: ".$e->getMessage()."\n"); +} + + diff --git a/vendor/leafo/lessphp/lessify.inc.php b/vendor/leafo/lessphp/lessify.inc.php new file mode 100644 index 00000000..91c14423 --- /dev/null +++ b/vendor/leafo/lessphp/lessify.inc.php @@ -0,0 +1,447 @@ + + * + * WARNING: THIS DOES NOT WORK ANYMORE. NEEDS TO BE UPDATED FOR + * LATEST VERSION OF LESSPHP. + * + */ + +require "lessc.inc.php"; + +// +// check if the merge during mixin is overwriting values. should or should it not? +// + +// +// 1. split apart class tags +// + +class easyparse { + var $buffer; + var $count; + + function __construct($str) { + $this->count = 0; + $this->buffer = trim($str); + } + + function seek($where = null) { + if ($where === null) return $this->count; + else $this->count = $where; + return true; + } + + function preg_quote($what) { + return preg_quote($what, '/'); + } + + function match($regex, &$out, $eatWhitespace = true) { + $r = '/'.$regex.($eatWhitespace ? '\s*' : '').'/Ais'; + if (preg_match($r, $this->buffer, $out, null, $this->count)) { + $this->count += strlen($out[0]); + return true; + } + return false; + } + + function literal($what, $eatWhitespace = true) { + // this is here mainly prevent notice from { } string accessor + if ($this->count >= strlen($this->buffer)) return false; + + // shortcut on single letter + if (!$eatWhitespace and strlen($what) == 1) { + if ($this->buffer{$this->count} == $what) { + $this->count++; + return true; + } + else return false; + } + + return $this->match($this->preg_quote($what), $m, $eatWhitespace); + } + +} + +class tagparse extends easyparse { + static private $combinators = null; + static private $match_opts = null; + + function parse() { + if (empty(self::$combinators)) { + self::$combinators = '('.implode('|', array_map(array($this, 'preg_quote'), + array('+', '>', '~'))).')'; + self::$match_opts = '('.implode('|', array_map(array($this, 'preg_quote'), + array('=', '~=', '|=', '$=', '*='))).')'; + } + + // crush whitespace + $this->buffer = preg_replace('/\s+/', ' ', $this->buffer).' '; + + $tags = array(); + while ($this->tag($t)) $tags[] = $t; + + return $tags; + } + + static function compileString($string) { + list(, $delim, $str) = $string; + $str = str_replace($delim, "\\".$delim, $str); + $str = str_replace("\n", "\\\n", $str); + return $delim.$str.$delim; + } + + static function compilePaths($paths) { + return implode(', ', array_map(array('self', 'compilePath'), $paths)); + } + + // array of tags + static function compilePath($path) { + return implode(' ', array_map(array('self', 'compileTag'), $path)); + } + + + static function compileTag($tag) { + ob_start(); + if (isset($tag['comb'])) echo $tag['comb']." "; + if (isset($tag['front'])) echo $tag['front']; + if (isset($tag['attr'])) { + echo '['.$tag['attr']; + if (isset($tag['op'])) { + echo $tag['op'].$tag['op_value']; + } + echo ']'; + } + return ob_get_clean(); + } + + function string(&$out) { + $s = $this->seek(); + + if ($this->literal('"')) { + $delim = '"'; + } elseif ($this->literal("'")) { + $delim = "'"; + } else { + return false; + } + + while (true) { + // step through letters looking for either end or escape + $buff = ""; + $escapeNext = false; + $finished = false; + for ($i = $this->count; $i < strlen($this->buffer); $i++) { + $char = $this->buffer[$i]; + switch ($char) { + case $delim: + if ($escapeNext) { + $buff .= $char; + $escapeNext = false; + break; + } + $finished = true; + break 2; + case "\\": + if ($escapeNext) { + $buff .= $char; + $escapeNext = false; + } else { + $escapeNext = true; + } + break; + case "\n": + if (!$escapeNext) { + break 3; + } + + $buff .= $char; + $escapeNext = false; + break; + default: + if ($escapeNext) { + $buff .= "\\"; + $escapeNext = false; + } + $buff .= $char; + } + } + if (!$finished) break; + $out = array('string', $delim, $buff); + $this->seek($i+1); + return true; + } + + $this->seek($s); + return false; + } + + function tag(&$out) { + $s = $this->seek(); + $tag = array(); + if ($this->combinator($op)) $tag['comb'] = $op; + + if (!$this->match('(.*?)( |$|\[|'.self::$combinators.')', $match)) { + $this->seek($s); + return false; + } + + if (!empty($match[3])) { + // give back combinator + $this->count-=strlen($match[3]); + } + + if (!empty($match[1])) $tag['front'] = $match[1]; + + if ($match[2] == '[') { + if ($this->ident($i)) { + $tag['attr'] = $i; + + if ($this->match(self::$match_opts, $m) && $this->value($v)) { + $tag['op'] = $m[1]; + $tag['op_value'] = $v; + } + + if ($this->literal(']')) { + $out = $tag; + return true; + } + } + } elseif (isset($tag['front'])) { + $out = $tag; + return true; + } + + $this->seek($s); + return false; + } + + function ident(&$out) { + // [-]?{nmstart}{nmchar}* + // nmstart: [_a-z]|{nonascii}|{escape} + // nmchar: [_a-z0-9-]|{nonascii}|{escape} + if ($this->match('(-?[_a-z][_\w]*)', $m)) { + $out = $m[1]; + return true; + } + return false; + } + + function value(&$out) { + if ($this->string($str)) { + $out = $this->compileString($str); + return true; + } elseif ($this->ident($id)) { + $out = $id; + return true; + } + return false; + } + + + function combinator(&$op) { + if ($this->match(self::$combinators, $m)) { + $op = $m[1]; + return true; + } + return false; + } +} + +class nodecounter { + var $count = 0; + var $children = array(); + + var $name; + var $child_blocks; + var $the_block; + + function __construct($name) { + $this->name = $name; + } + + function dump($stack = null) { + if (is_null($stack)) $stack = array(); + $stack[] = $this->getName(); + echo implode(' -> ', $stack)." ($this->count)\n"; + foreach ($this->children as $child) { + $child->dump($stack); + } + } + + static function compileProperties($c, $block) { + foreach($block as $name => $value) { + if ($c->isProperty($name, $value)) { + echo $c->compileProperty($name, $value)."\n"; + } + } + } + + function compile($c, $path = null) { + if (is_null($path)) $path = array(); + $path[] = $this->name; + + $isVisible = !is_null($this->the_block) || !is_null($this->child_blocks); + + if ($isVisible) { + echo $c->indent(implode(' ', $path).' {'); + $c->indentLevel++; + $path = array(); + + if ($this->the_block) { + $this->compileProperties($c, $this->the_block); + } + + if ($this->child_blocks) { + foreach ($this->child_blocks as $block) { + echo $c->indent(tagparse::compilePaths($block['__tags']).' {'); + $c->indentLevel++; + $this->compileProperties($c, $block); + $c->indentLevel--; + echo $c->indent('}'); + } + } + } + + // compile child nodes + foreach($this->children as $node) { + $node->compile($c, $path); + } + + if ($isVisible) { + $c->indentLevel--; + echo $c->indent('}'); + } + + } + + function getName() { + if (is_null($this->name)) return "[root]"; + else return $this->name; + } + + function getNode($name) { + if (!isset($this->children[$name])) { + $this->children[$name] = new nodecounter($name); + } + + return $this->children[$name]; + } + + function findNode($path) { + $current = $this; + for ($i = 0; $i < count($path); $i++) { + $t = tagparse::compileTag($path[$i]); + $current = $current->getNode($t); + } + + return $current; + } + + function addBlock($path, $block) { + $node = $this->findNode($path); + if (!is_null($node->the_block)) throw new exception("can this happen?"); + + unset($block['__tags']); + $node->the_block = $block; + } + + function addToNode($path, $block) { + $node = $this->findNode($path); + $node->child_blocks[] = $block; + } +} + +/** + * create a less file from a css file by combining blocks where appropriate + */ +class lessify extends lessc { + public function dump() { + print_r($this->env); + } + + public function parse($str = null) { + $this->prepareParser($str ? $str : $this->buffer); + while (false !== $this->parseChunk()); + + $root = new nodecounter(null); + + // attempt to preserve some of the block order + $order = array(); + + $visitedTags = array(); + foreach (end($this->env) as $name => $block) { + if (!$this->isBlock($name, $block)) continue; + if (isset($visitedTags[$name])) continue; + + foreach ($block['__tags'] as $t) { + $visitedTags[$t] = true; + } + + // skip those with more than 1 + if (count($block['__tags']) == 1) { + $p = new tagparse(end($block['__tags'])); + $path = $p->parse(); + $root->addBlock($path, $block); + $order[] = array('compressed', $path, $block); + continue; + } else { + $common = null; + $paths = array(); + foreach ($block['__tags'] as $rawtag) { + $p = new tagparse($rawtag); + $paths[] = $path = $p->parse(); + if (is_null($common)) $common = $path; + else { + $new_common = array(); + foreach ($path as $tag) { + $head = array_shift($common); + if ($tag == $head) { + $new_common[] = $head; + } else break; + } + $common = $new_common; + if (empty($common)) { + // nothing in common + break; + } + } + } + + if (!empty($common)) { + $new_paths = array(); + foreach ($paths as $p) $new_paths[] = array_slice($p, count($common)); + $block['__tags'] = $new_paths; + $root->addToNode($common, $block); + $order[] = array('compressed', $common, $block); + continue; + } + + } + + $order[] = array('none', $block['__tags'], $block); + } + + + $compressed = $root->children; + foreach ($order as $item) { + list($type, $tags, $block) = $item; + if ($type == 'compressed') { + $top = tagparse::compileTag(reset($tags)); + if (isset($compressed[$top])) { + $compressed[$top]->compile($this); + unset($compressed[$top]); + } + } else { + echo $this->indent(implode(', ', $tags).' {'); + $this->indentLevel++; + nodecounter::compileProperties($this, $block); + $this->indentLevel--; + echo $this->indent('}'); + } + } + } +} diff --git a/vendor/leafo/lessphp/package.sh b/vendor/leafo/lessphp/package.sh new file mode 100644 index 00000000..f0888f12 --- /dev/null +++ b/vendor/leafo/lessphp/package.sh @@ -0,0 +1,35 @@ +#!/bin/sh + +# creates tar.gz for current version + +VERSION=`./plessc -v | sed -n 's/^v\(.*\)$/\1/p'` +OUT_DIR="tmp/lessphp" +TMP=`dirname $OUT_DIR` + +mkdir -p $OUT_DIR +tar -c `git ls-files` | tar -C $OUT_DIR -x + +rm $OUT_DIR/.gitignore +rm $OUT_DIR/package.sh +rm $OUT_DIR/lessify +rm $OUT_DIR/lessify.inc.php + +OUT_NAME="lessphp-$VERSION.tar.gz" +tar -czf $OUT_NAME -C $TMP lessphp/ +echo "Wrote $OUT_NAME" + +rm -r $TMP + + +echo +echo "Don't forget to" +echo "* Update the version in lessc.inc.php (two places)" +echo "* Update the version in the README.md" +echo "* Update the version in docs.md (two places)" +echo "* Update the version in LICENSE" +echo "* Update @current_version in site.moon" +echo "* Add entry to feed.moon for changelog" +echo "* Update the -New- area on homepage with date and features" +echo + + diff --git a/vendor/leafo/lessphp/plessc b/vendor/leafo/lessphp/plessc new file mode 100644 index 00000000..1871dc77 --- /dev/null +++ b/vendor/leafo/lessphp/plessc @@ -0,0 +1,250 @@ +#!/usr/bin/env php +, 2013 + +$exe = array_shift($argv); // remove filename + +$HELP = << 0 && preg_match('/^-([-hvrwncXT]$|[f]=)/', $argv[0])) { + array_shift($argv); +} + +function has() { + global $opts; + foreach (func_get_args() as $arg) { + if (isset($opts[$arg])) return true; + } + return false; +} + +if (has("h", "help")) { + exit($HELP); +} + +error_reporting(E_ALL); +$path = realpath(dirname(__FILE__)).'/'; + +require $path."lessc.inc.php"; + +$VERSION = lessc::$VERSION; + +$fa = "Fatal Error: "; +function err($msg) { + fwrite(STDERR, $msg."\n"); +} + +if (php_sapi_name() != "cli") { + err($fa.$argv[0]." must be run in the command line."); + exit(1); +} + +function make_less($fname = null) { + global $opts; + $l = new lessc($fname); + + if (has("f")) { + $format = $opts["f"]; + if ($format != "default") $l->setFormatter($format); + } + + if (has("c")) { + $l->setPreserveComments(true); + } + + return $l; +} + +function process($data, $import = null) { + global $fa; + + $l = make_less(); + if ($import) $l->importDir = $import; + + try { + echo $l->parse($data); + exit(0); + } catch (exception $ex) { + err($fa."\n".str_repeat('=', 20)."\n". + $ex->getMessage()); + exit(1); + } +} + +if (has("v")) { + exit($VERSION."\n"); +} + +if (has("r")) { + if (!empty($argv)) { + $data = $argv[0]; + } else { + $data = ""; + while (!feof(STDIN)) { + $data .= fread(STDIN, 8192); + } + } + exit(process($data)); +} + +if (has("w")) { + // need two files + if (!is_file($in = array_shift($argv)) || + null == $out = array_shift($argv)) + { + err($fa.$exe." -w infile outfile"); + exit(1); + } + + echo "Watching ".$in. + (has("n") ? ' with notifications' : ''). + ", press Ctrl + c to exit.\n"; + + $cache = $in; + $last_action = 0; + while (true) { + clearstatcache(); + + // check if anything has changed since last fail + $updated = false; + if (is_array($cache)) { + foreach ($cache['files'] as $fname=>$_) { + if (filemtime($fname) > $last_action) { + $updated = true; + break; + } + } + } else $updated = true; + + // try to compile it + if ($updated) { + $last_action = time(); + + try { + $cache = lessc::cexecute($cache); + echo "Writing updated file: ".$out."\n"; + if (!file_put_contents($out, $cache['compiled'])) { + err($fa."Could not write to file ".$out); + exit(1); + } + } catch (exception $ex) { + echo "\nFatal Error:\n".str_repeat('=', 20)."\n". + $ex->getMessage()."\n\n"; + + if (has("n")) { + `notify-send -u critical "compile failed" "{$ex->getMessage()}"`; + } + } + } + + sleep(1); + } + exit(0); +} + +if (!$fname = array_shift($argv)) { + echo $HELP; + exit(1); +} + +function dumpValue($node, $depth = 0) { + if (is_object($node)) { + $indent = str_repeat(" ", $depth); + $out = array(); + foreach ($node->props as $prop) { + $out[] = $indent . dumpValue($prop, $depth + 1); + } + $out = implode("\n", $out); + if (!empty($node->tags)) { + $out = "+ ".implode(", ", $node->tags)."\n".$out; + } + return $out; + } elseif (is_array($node)) { + if (empty($node)) return "[]"; + $type = $node[0]; + if ($type == "block") + return dumpValue($node[1], $depth); + + $out = array(); + foreach ($node as $value) { + $out[] = dumpValue($value, $depth); + } + return "{ ".implode(", ", $out)." }"; + } else { + if (is_string($node) && preg_match("/[\s,]/", $node)) { + return '"'.$node.'"'; + } + return $node; // normal value + } +} + + +function stripValue($o, $toStrip) { + if (is_array($o) || is_object($o)) { + $isObject = is_object($o); + $o = (array)$o; + foreach ($toStrip as $removeKey) { + if (!empty($o[$removeKey])) { + $o[$removeKey] = "*stripped*"; + } + } + + foreach ($o as $k => $v) { + $o[$k] = stripValue($v, $toStrip); + } + + if ($isObject) { + $o = (object)$o; + } + } + + return $o; +} + +function dumpWithoutParent($o, $alsoStrip=array()) { + $toStrip = array_merge(array("parent"), $alsoStrip); + print_r(stripValue($o, $toStrip)); +} + +try { + $less = make_less($fname); + if (has("T", "X")) { + $parser = new lessc_parser($less, $fname); + $tree = $parser->parse(file_get_contents($fname)); + if (has("X")) + $out = print_r($tree, 1); + else + $out = dumpValue($tree)."\n"; + } else { + $out = $less->parse(); + } + + if (!$fout = array_shift($argv)) { + echo $out; + } else { + file_put_contents($fout, $out); + } + +} catch (exception $ex) { + err($fa.$ex->getMessage()); + exit(1); +} + +?> diff --git a/vendor/leafo/lessphp/tests/ApiTest.php b/vendor/leafo/lessphp/tests/ApiTest.php new file mode 100644 index 00000000..fe1bbffa --- /dev/null +++ b/vendor/leafo/lessphp/tests/ApiTest.php @@ -0,0 +1,196 @@ +less = new lessc(); + $this->less->importDir = array(__DIR__ . "/inputs/test-imports"); + } + + public function testPreserveComments() { + $input = <<assertEquals($this->compile($input), trim($outputWithoutComments)); + $this->less->setPreserveComments(true); + $this->assertEquals($this->compile($input), trim($outputWithComments)); + } + + public function testOldInterface() { + $this->less = new lessc(__DIR__ . "/inputs/hi.less"); + $out = $this->less->parse(array("hello" => "10px")); + $this->assertEquals(trim($out), trim(' +div:before { + content: "hi!"; +}')); + + } + + public function testInjectVars() { + $out = $this->less->parse(".magic { color: @color; width: @base - 200; }", + array( + 'color' => 'red', + 'base' => '960px' + )); + + $this->assertEquals(trim($out), trim(" +.magic { + color: red; + width: 760px; +}")); + + } + + public function testDisableImport() { + $this->less->importDisabled = true; + $this->assertEquals( + "/* import disabled */", + $this->compile("@import 'file3';")); + } + + public function testUserFunction() { + $this->less->registerFunction("add-two", function($list) { + list($a, $b) = $list[2]; + return $a[1] + $b[1]; + }); + + $this->assertEquals( + $this->compile("result: add-two(10, 20);"), + "result: 30;"); + + return $this->less; + } + + /** + * @depends testUserFunction + */ + public function testUnregisterFunction($less) { + $less->unregisterFunction("add-two"); + + $this->assertEquals( + $this->compile("result: add-two(10, 20);"), + "result: add-two(10,20);"); + } + + + + public function testFormatters() { + $src = " + div, pre { + color: blue; + span, .big, hello.world { + height: 20px; + color:#ffffff + #000; + } + }"; + + $this->less->setFormatter("compressed"); + $this->assertEquals( + $this->compile($src), "div,pre{color:blue;}div span,div .big,div hello.world,pre span,pre .big,pre hello.world{height:20px;color:#fff;}"); + + // TODO: fix the output order of tags + $this->less->setFormatter("lessjs"); + $this->assertEquals( + $this->compile($src), +"div, +pre { + color: blue; +} +div span, +div .big, +div hello.world, +pre span, +pre .big, +pre hello.world { + height: 20px; + color: #ffffff; +}"); + + $this->less->setFormatter("classic"); + $this->assertEquals( + $this->compile($src), +trim("div, pre { color:blue; } +div span, div .big, div hello.world, pre span, pre .big, pre hello.world { + height:20px; + color:#ffffff; +} +")); + + } + + public function compile($str) { + return trim($this->less->parse($str)); + } + +} diff --git a/vendor/leafo/lessphp/tests/ErrorHandlingTest.php b/vendor/leafo/lessphp/tests/ErrorHandlingTest.php new file mode 100644 index 00000000..de02f065 --- /dev/null +++ b/vendor/leafo/lessphp/tests/ErrorHandlingTest.php @@ -0,0 +1,81 @@ +less = new lessc(); + } + + public function compile() { + $source = join("\n", func_get_args()); + return $this->less->compile($source); + } + + /** + * @expectedException Exception + * @expectedExceptionMessage .parametric-mixin is undefined + */ + public function testRequiredParametersMissing() { + $this->compile( + '.parametric-mixin (@a, @b) { a: @a; b: @b; }', + '.selector { .parametric-mixin(12px); }' + ); + } + + /** + * @expectedException Exception + * @expectedExceptionMessage .parametric-mixin is undefined + */ + public function testTooManyParameters() { + $this->compile( + '.parametric-mixin (@a, @b) { a: @a; b: @b; }', + '.selector { .parametric-mixin(12px, 13px, 14px); }' + ); + } + + /** + * @expectedException Exception + * @expectedExceptionMessage unrecognised input + */ + public function testRequiredArgumentsMissing() { + $this->compile('.selector { rule: e(); }'); + } + + /** + * @expectedException Exception + * @expectedExceptionMessage variable @missing is undefined + */ + public function testVariableMissing() { + $this->compile('.selector { rule: @missing; }'); + } + + /** + * @expectedException Exception + * @expectedExceptionMessage .missing-mixin is undefined + */ + public function testMixinMissing() { + $this->compile('.selector { .missing-mixin; }'); + } + + /** + * @expectedException Exception + * @expectedExceptionMessage .flipped is undefined + */ + public function testGuardUnmatchedValue() { + $this->compile( + '.flipped(@x) when (@x =< 10) { rule: value; }', + '.selector { .flipped(12); }' + ); + } + + /** + * @expectedException Exception + * @expectedExceptionMessage .colors-only is undefined + */ + public function testGuardUnmatchedType() { + $this->compile( + '.colors-only(@x) when (iscolor(@x)) { rule: value; }', + '.selector { .colors-only("string value"); }' + ); + } +} diff --git a/vendor/leafo/lessphp/tests/InputTest.php b/vendor/leafo/lessphp/tests/InputTest.php new file mode 100644 index 00000000..32db95bc --- /dev/null +++ b/vendor/leafo/lessphp/tests/InputTest.php @@ -0,0 +1,89 @@ + "outputs", + "inputs_lessjs" => "outputs_lessjs", + ); + + public function setUp() { + $this->less = new lessc(); + $this->less->importDir = array_map(function($path) { + return __DIR__ . "/" . $path; + }, self::$importDirs); + } + + /** + * @dataProvider fileNameProvider + */ + public function testInputFile($inFname) { + if ($pattern = getenv("BUILD")) { + return $this->buildInput($inFname); + } + + $outFname = self::outputNameFor($inFname); + + if (!is_readable($outFname)) { + $this->fail("$outFname is missing, ". + "consider building tests with BUILD=true"); + } + + $input = file_get_contents($inFname); + $output = file_get_contents($outFname); + + $this->assertEquals($output, $this->less->parse($input)); + } + + public function fileNameProvider() { + return array_map(function($a) { return array($a); }, + self::findInputNames()); + } + + // only run when env is set + public function buildInput($inFname) { + $css = $this->less->parse(file_get_contents($inFname)); + file_put_contents(self::outputNameFor($inFname), $css); + } + + static public function findInputNames($pattern="*.less") { + $files = array(); + foreach (self::$testDirs as $inputDir => $outputDir) { + $files = array_merge($files, glob(__DIR__ . "/" . $inputDir . "/" . $pattern)); + } + + return array_filter($files, "is_file"); + } + + static public function outputNameFor($input) { + $front = _quote(__DIR__ . "/"); + $out = preg_replace("/^$front/", "", $input); + + foreach (self::$testDirs as $inputDir => $outputDir) { + $in = _quote($inputDir . "/"); + $rewritten = preg_replace("/$in/", $outputDir . "/", $out); + if ($rewritten != $out) { + $out = $rewritten; + break; + } + } + + $out = preg_replace("/.less$/", ".css", $out); + + return __DIR__ . "/" . $out; + } +} + diff --git a/vendor/leafo/lessphp/tests/README.md b/vendor/leafo/lessphp/tests/README.md new file mode 100644 index 00000000..85a75c05 --- /dev/null +++ b/vendor/leafo/lessphp/tests/README.md @@ -0,0 +1,24 @@ +lessphp uses [phpunit](https://github.com/sebastianbergmann/phpunit/) for its tests + +* `InputTest.php` iterates through all the less files in `inputs/`, compiles + them, then compares the result with the respective file in `outputs/`. + +* `ApiTest.php` tests the behavior of lessphp's public API methods. + +* `ErrorHandlingTest.php` tests that lessphp throws appropriate errors when + given invalid LESS as input. + +From the root you can run `make` to run all the tests. + +## lessjs tests + +Tests found in `inputs_lessjs` are extracted directly from +[less.js](https://github.com/less/less.js). The following license applies to +those tests: https://github.com/less/less.js/blob/master/LICENSE + +## bootstrap.sh + +Clones twitter bootsrap, compiles it with lessc and lessphp, cleans up results +with sort.php, and outputs diff. To run it, you need to have git and lessc +installed. + diff --git a/vendor/leafo/lessphp/tests/bootstrap.sh b/vendor/leafo/lessphp/tests/bootstrap.sh new file mode 100644 index 00000000..18a90e87 --- /dev/null +++ b/vendor/leafo/lessphp/tests/bootstrap.sh @@ -0,0 +1,38 @@ +#!/bin/sh + +echo "This script clones Twitter Bootstrap, compiles it with lessc and lessphp," +echo "cleans up results with sort.php, and outputs diff. To run it, you need to" +echo "have git and lessc installed." +echo "" + +if [ -z "$input" ]; then + input="bootstrap/less/bootstrap.less" +fi +dest=$(basename "$input") +dest="${dest%.*}" + +if [ -z "$@" ]; then + diff_tool="diff -b -u -t -B" +else + diff_tool=$@ +fi + +mkdir -p tmp + +if [ ! -d 'bootstrap/' ]; then + echo ">> Cloning bootstrap to bootstrap/" + git clone https://github.com/twbs/bootstrap +fi + +echo ">> lessc compilation ($input)" +lessc "$input" "tmp/$dest.lessc.css" + +echo ">> lessphp compilation ($input)" +../plessc "$input" "tmp/$dest.lessphp.css" +echo ">> Cleanup and convert" + +php sort.php "tmp/$dest.lessc.css" > "tmp/$dest.lessc.clean.css" +php sort.php "tmp/$dest.lessphp.css" > "tmp/$dest.lessphp.clean.css" + +echo ">> Doing diff" +$diff_tool "tmp/$dest.lessc.clean.css" "tmp/$dest.lessphp.clean.css" diff --git a/vendor/leafo/lessphp/tests/inputs/accessors.less.disable b/vendor/leafo/lessphp/tests/inputs/accessors.less.disable new file mode 100644 index 00000000..2990faab --- /dev/null +++ b/vendor/leafo/lessphp/tests/inputs/accessors.less.disable @@ -0,0 +1,36 @@ +/* accessors */ + +#defaults { + @width: 960px; + @color: black; + .something { + @space: 10px; + @hello { + color: green; + } + } +} + +.article { color: #294366; } + +.comment { + width: #defaults[@width]; + color: .article['color']; + padding: #defaults > .something[@space]; +} + +.wow { + height: .comment['width']; + background-color: .comment['color']; + color: #defaults > .something > @hello['color']; + + padding: #defaults > non-existant['padding']; + margin: #defaults > .something['non-existant']; +} + +.mix { + #defaults; + font-size: .something[@space]; +} + + diff --git a/vendor/leafo/lessphp/tests/inputs/arity.less b/vendor/leafo/lessphp/tests/inputs/arity.less new file mode 100644 index 00000000..9998fd4a --- /dev/null +++ b/vendor/leafo/lessphp/tests/inputs/arity.less @@ -0,0 +1,77 @@ + +// simple arity + +.hello(@a) { + hello: one; +} + +.hello(@a, @b) { + hello: two; +} + +.hello(@a, @b, @c) { + hello: three; +} + + +.world(@a, @b, @c) { + world: three; +} + +.world(@a, @b) { + world: two; +} + +.world(@a) { + world: one; +} + +.one { + .hello(1); + .world(1); +} + +.two { + .hello(1, 1); + .world(1, 1); +} + +.three { + .hello(1, 1, 1); + .world(1, 1, 1); +} + + +// arity with default values + +.foo(@a, @b: cool) { + foo: two @b; +} + +.foo(@a, @b: cool, @c: yeah) { + foo: three @b @c; +} + + +.baz(@a, @b, @c: yeah) { + baz: three @c; +} + +.baz(@a, @b: cool) { + baz: two @b; +} + + +.multi-foo { + .foo(1); + .foo(1, 1); + .foo(1,1,1); +} + +.multi-baz { + .baz(1); + .baz(1, 1); + .baz(1,1,1); +} + + diff --git a/vendor/leafo/lessphp/tests/inputs/attributes.less b/vendor/leafo/lessphp/tests/inputs/attributes.less new file mode 100644 index 00000000..7ede4fc4 --- /dev/null +++ b/vendor/leafo/lessphp/tests/inputs/attributes.less @@ -0,0 +1,41 @@ +* { color: blue; } +E { color: blue; } +E[foo] { color: blue; } +[foo] { color: blue; } +[foo] .helloWorld { color: blue; } +[foo].helloWorld { color: blue; } +E[foo="barbar"] { color: blue; } +E[foo~="hello#$@%@$#^"] { color: blue; } +E[foo^="color: green;"] { color: blue; } +E[foo$="239023"] { color: blue; } +E[foo*="29302"] { color: blue; } +E[foo|="239032"] { color: blue; } +E:root { color: blue; } + +E:nth-child(odd) { color: blue; } +E:nth-child(2n+1) { color: blue; } +E:nth-child(5) { color: blue; } +E:nth-last-child(-n+2) { color: blue; } +E:nth-of-type(2n) { color: blue; } +E:nth-last-of-type(n) { color: blue; } + +E:first-child { color: blue; } +E:last-child { color: blue; } +E:first-of-type { color: blue; } +E:last-of-type { color: blue; } +E:only-child { color: blue; } +E:only-of-type { color: blue; } +E:empty { color: blue; } + +E:lang(en) { color: blue; } +E::first-line { color: blue; } +E::before { color: blue; } + +E#id { color: blue; } +E:not(:link) { color: blue; } + +E F { color: blue; } +E > F { color: blue; } +E + F { color: blue; } +E ~ F { color: blue; } + diff --git a/vendor/leafo/lessphp/tests/inputs/builtins.less b/vendor/leafo/lessphp/tests/inputs/builtins.less new file mode 100644 index 00000000..f9301e04 --- /dev/null +++ b/vendor/leafo/lessphp/tests/inputs/builtins.less @@ -0,0 +1,96 @@ +// builtin + +@something: "hello world"; +@color: #112233; +@color2: rgba(44,55,66, .6); + +body { + color: @something; + + @num: 7 / 6; + num-basic: @num + 4; + num-floor: floor(@num) + 4px; + num-ceil: ceil(@num) + 4px; + + @num2: 2 / 3; + num2: @num2; + num2-round: round(@num2); + num2-floor: floor(@num2); + num2-ceil: ceil(@num2); + + round-lit: round(10px / 3); + + rgba1: rgbahex(@color); + rgba2: rgbahex(@color2); + argb: argb(@color2); +} + + +format { + @r: 32; + format: %("rgb(%d, %d, %d)", @r, 128, 64); + format-string: %("hello %s", "world"); + format-multiple: %("hello %s %d", "earth", 2); + format-url-encode: %('red is %A', #ff0000); + eformat: e(%("rgb(%d, %d, %d)", @r, 128, 64)); +} + + +#functions { + str1: isstring("hello"); + str2: isstring(one, two); + + num1: isnumber(2323px); + num2: isnumber(2323); + num3: isnumber(4/5); + num4: isnumber("hello"); + + col1: iscolor(red); + col2: iscolor(hello); + col3: iscolor(rgba(0,0,0,0.3)); + col4: iscolor(#fff); + + key1: iskeyword(hello); + key2: iskeyword(3D); + + px1: ispixel(10px); + px2: ispixel(10); + + per1: ispercentage(10%); + per2: ispercentage(10); + + em1: isem(10em); + em2: isem(10); + + ex1: extract(1 2 3 4, 2); + ex2: extract(1 2, 1); + ex3: extract(1, 1); + + @list: 1,2,3,4; + + ex4: extract(@list, 2); + + pow: pow(2,4); + pi: pi(); + mod: mod(14,10); + + tan: tan(1); + cos: cos(1); + sin: sin(1); + + atan: atan(1); + acos: acos(1); + asin: asin(1); + + sqrt: sqrt(8); +} + + +#unit { + @unit: "em"; + unit-lit: unit(10px); + unit-arg: unit(10px, "s"); + unit-arg2: unit(10px, @unit); + unit-math: unit(0.07407s) * 100%; +} + diff --git a/vendor/leafo/lessphp/tests/inputs/colors.less b/vendor/leafo/lessphp/tests/inputs/colors.less new file mode 100644 index 00000000..7fd47a3c --- /dev/null +++ b/vendor/leafo/lessphp/tests/inputs/colors.less @@ -0,0 +1,154 @@ + +body { + color:rgb(red(#f00), red(#0F0), red(#00f)); + color:rgb(red(#f00), green(#0F0), blue(#00f)); + color:rgb(red(#0ff), green(#f0f), blue(#ff0)); + + color: hsl(34, 50%, 40%); + color: hsla(34, 50%, 40%, 0.3); + + lighten1: lighten(#efefef, 10%); + lighten2: lighten(rgb(23, 53, 231), 22%); + lighten3: lighten(rgba(212, 103, 88, 0.5), 10%); + + darken1: darken(#efefef, 10%); + darken2: darken(rgb(23, 53, 231), 22%); + darken3: darken(rgba(23, 53, 231, 0.5), 10%); + + saturate1: saturate(#efefef, 10%); + saturate2: saturate(rgb(23, 53, 231), 22%); + saturate3: saturate(rgba(23, 53, 231, 0.5), 10%); + + desaturate1: desaturate(#efefef, 10%); + desaturate2: desaturate(rgb(23, 53, 231), 22%); + desaturate3: desaturate(rgba(23, 53, 231, 0.5), 10%); + + spin1: spin(#efefef, 12); + spin2: spin(rgb(23, 53, 231), 15); + spin3: spin(rgba(23, 53, 231, 0.5), 19); + + spin2: spin(#efefef, -12); + spin3: spin(rgb(23, 53, 231), -15); + spin4: spin(rgba(23, 53, 231, 0.5), -19); + + one1: fadein(#abcdef, 10%); + one2: fadeout(#abcdef, -10%); + + two1: fadeout(#029f23, 10%); + two2: fadein(#029f23, -10%); + + + three1: fadein(rgba(1,2,3, 0.5), 10%); + three2: fadeout(rgba(1,2,3, 0.5), -10%); + + four1: fadeout(rgba(1,2,3, 0), 10%); + four2: fadein(rgba(1,2,3, 0), -10%); + + hue: hue(rgb(34,20,40)); + sat: saturation(rgb(34,20,40)); + lit: lightness(rgb(34,20,40)); + + @old: #34fa03; + @new: hsl(hue(@old), 45%, 90%); + what: @new; + + zero1: saturate(#123456, -100%); + zero2: saturate(#123456, 100%); + zero3: saturate(#000000, 100%); + zero4: saturate(#ffffff, 100%); + + zero5: lighten(#123456, -100%); + zero6: lighten(#123456, 100%); + zero7: lighten(#000000, 100%); + zero8: lighten(#ffffff, 100%); + + zero9: spin(#123456, -100); + zeroa: spin(#123456, 100); + zerob: spin(#000000, 100); + zeroc: spin(#ffffff, 100); +} + + +alpha { + // g: alpha(red); + g1: alpha(rgba(0,0,0,0)); + g2: alpha(rgb(155,55,0)); +} + +fade { + f1: fade(red, 50%); + f2: fade(#fff, 20%); + f3: fade(rgba(34,23,64,0.4), 50%); +} + +@a: rgb(255,255,255); +@b: rgb(0,0,0); + +.mix { + color1: mix(@a, @b, 50%); + color2: mix(@a, @b); + color3: mix(rgba(5,3,1,0.3), rgba(6,3,2, 0.8), 50%); +} + +.contrast { + color1: contrast(#000, red, blue); + color2: contrast(#fff, red, blue); +} + +.percent { + per: percentage(0.5); +} + +// color keywords + +.colorz { + color1: whitesmoke - 10; + color2: spin(red, 34); + color3: spin(blah); +} + + + +// purposfuly whacky to match less.js + +@color: #fcf8e3; + +body { + start: @color; + spin: spin(@color, -10); // #fcf4e3 + chained: darken(spin(@color, -10), 3%); // gives #fbeed5, should be #fbefd5 + direct: darken(#fcf4e3, 3%); // #fbefd5 +} + +// spin around +pre { + @errorBackground: #f2dede; + spin: spin(@errorBackground, -10); +} + +dd { + @white: #fff; + background-color: mix(@white, darken(@white, 10%), 60%); +} + +// math + +.ops { + c1: red * 0.3; + c2: green / 2; + c3: purple % 7; + c4: 4 * salmon; + c5: 1 + salmon; + + c6: 132 / red; + c7: 132 - red; + c8: 132- red; +} + +.transparent { + r: red(transparent); + g: green(transparent); + b: blue(transparent); + a: alpha(transparent); +} + diff --git a/vendor/leafo/lessphp/tests/inputs/compile_on_mixin.less b/vendor/leafo/lessphp/tests/inputs/compile_on_mixin.less new file mode 100644 index 00000000..79d628f4 --- /dev/null +++ b/vendor/leafo/lessphp/tests/inputs/compile_on_mixin.less @@ -0,0 +1,39 @@ + +@mixin { + height: 22px; + ul { + height: 20px; + li { + @color: red; + height: 10px; + div span, link { + margin: 10px; + color: @color; + } + } + + div, p { + border: 1px; + &.hello { + color: green; + } + + :what { + color: blue; + } + } + + + a { + b { + color: blue; + } + } + } +} + + + +body { + @mixin; +} diff --git a/vendor/leafo/lessphp/tests/inputs/data-uri.less b/vendor/leafo/lessphp/tests/inputs/data-uri.less new file mode 100644 index 00000000..0cfa941a --- /dev/null +++ b/vendor/leafo/lessphp/tests/inputs/data-uri.less @@ -0,0 +1,7 @@ +.small { + background: data-uri("../hi.less"); +} + +.large { + background: data-uri('../../../lessc.inc.php'); +} diff --git a/vendor/leafo/lessphp/tests/inputs/directives.less b/vendor/leafo/lessphp/tests/inputs/directives.less new file mode 100644 index 00000000..1b3a9b58 --- /dev/null +++ b/vendor/leafo/lessphp/tests/inputs/directives.less @@ -0,0 +1,28 @@ + +@hello: "utf-8"; +@charset @hello; + +@-moz-document url-prefix(){ + div { + color: red; + } +} + +@page :left { margin-left: 4cm; } +@page :right { margin-left: 3cm; } +@page { margin: 2cm } + +@-ms-viewport { + width: device-width; +} +@-moz-viewport { + width: device-width; +} +@-o-viewport { + width: device-width; +} +@viewport { + width: device-width; +} + + diff --git a/vendor/leafo/lessphp/tests/inputs/escape.less b/vendor/leafo/lessphp/tests/inputs/escape.less new file mode 100644 index 00000000..5c15e786 --- /dev/null +++ b/vendor/leafo/lessphp/tests/inputs/escape.less @@ -0,0 +1,18 @@ + +body { + @hello: "world"; + e1: e("this is simple"); + e2: e("this is simple", "cool lad"); + e3: e(1232); + e4: e(@hello); + e5: e("one" + 'more'); + + t1: ~"eating rice"; + t2: ~"string cheese"; + t3: a b c ~"string me" d e f; + t4: ~"string @{hello}"; +} + +.class { + filter: ~"progid:DXImageTransform.Microsoft.AlphaImageLoader(src='image.png')"; +} diff --git a/vendor/leafo/lessphp/tests/inputs/font_family.less b/vendor/leafo/lessphp/tests/inputs/font_family.less new file mode 100644 index 00000000..d1dfb72d --- /dev/null +++ b/vendor/leafo/lessphp/tests/inputs/font_family.less @@ -0,0 +1,28 @@ + +@font-directory: 'fonts/'; +@some-family: Gentium; + +@font-face: maroon; // won't collide with @font-face { } + +@font-face { + font-family: Graublau Sans Web; + src: url(@{font-directory}GraublauWeb.otf) format("opentype"); +} + +@font-face { + font-family: @some-family; + src: url('@{font-directory}Gentium.ttf'); +} + +@font-face { + font-family: @some-family; + src: url("@{font-directory}GentiumItalic.ttf"); + font-style: italic; +} + +h2 { + font-family: @some-family; + crazy: @font-face; +} + + diff --git a/vendor/leafo/lessphp/tests/inputs/guards.less b/vendor/leafo/lessphp/tests/inputs/guards.less new file mode 100644 index 00000000..fc4e344e --- /dev/null +++ b/vendor/leafo/lessphp/tests/inputs/guards.less @@ -0,0 +1,74 @@ + +.simple(@hi) when (@hi) { + simple: yellow; +} + + +.something(@hi) when (@hi = cool) { + something: red; +} + +.another(@x) when (@x > 10) { + another: green; +} + + +.flipped(@x) when (@x =< 10) { + flipped: teal; +} + +.yeah(@arg) when (isnumber(@arg)) { + yeah-number: purple @arg; +} + + +.yeah(@arg) when (ispixel(@arg)) { + yeah-pixel: silver; +} + + +.hello(@arg) when not (@arg) { + hello: orange; +} + +dd { + .simple(true); +} + +b { + .something(cool); + .something(birthday); +} + +img { + .another(12); + .flipped(2); +} + +body { + .yeah(232px); + .yeah(232); +} + +.something(@x) when (@x) and (@y), not (@x = what) { + something-complex: blue @x; +} + +div { + @y: true; + .something(true); + +} + +.coloras(@g) when (iscolor(@g)) { + color: true @g; +} + +link { + .coloras(red); + .coloras(#fff); + .coloras(#fffddd); + .coloras(rgb(0,0,0)); + .coloras(rgba(0,0,0, .34)); +} + diff --git a/vendor/leafo/lessphp/tests/inputs/hacks.less b/vendor/leafo/lessphp/tests/inputs/hacks.less new file mode 100644 index 00000000..e69b7bf9 --- /dev/null +++ b/vendor/leafo/lessphp/tests/inputs/hacks.less @@ -0,0 +1,6 @@ +// css hacks + +:root .alert-message, :root .btn { + border-radius: 0 \0; +} + diff --git a/vendor/leafo/lessphp/tests/inputs/hi.less b/vendor/leafo/lessphp/tests/inputs/hi.less new file mode 100644 index 00000000..9a3d8198 --- /dev/null +++ b/vendor/leafo/lessphp/tests/inputs/hi.less @@ -0,0 +1,5 @@ + +div:before { + content: "hi!"; +} + diff --git a/vendor/leafo/lessphp/tests/inputs/ie.less b/vendor/leafo/lessphp/tests/inputs/ie.less new file mode 100644 index 00000000..37a5f1f6 --- /dev/null +++ b/vendor/leafo/lessphp/tests/inputs/ie.less @@ -0,0 +1,12 @@ + +foo { + filter: progid:DXImageTransform.Microsoft.gradient(GradientType=1, startColorstr=#c0ff3300, endColorstr=#ff000000); + filter:progid:DXImageTransform.Microsoft.gradient(GradientType=1, startColorstr=#c0ff3300, endColorstr=#ff000001); +} + + +foo { + filter: alpha(opacity=20); + filter: alpha(opacity=20, enabled=true); + filter: blaznicate(foo=bar, baz=bang bip, bart=#fa4600); +} diff --git a/vendor/leafo/lessphp/tests/inputs/import.less b/vendor/leafo/lessphp/tests/inputs/import.less new file mode 100644 index 00000000..a5005674 --- /dev/null +++ b/vendor/leafo/lessphp/tests/inputs/import.less @@ -0,0 +1,56 @@ + +@import 'file1.less'; // file found and imported + +@import "not-found"; + +@import "something.css" media; +@import url("something.css") media; +@import url(something.css) media, screen, print; + +@color: maroon; + +@import url(file2); // found and imported + +body { + line-height: 10em; + @colors; +} + +div { + @color: fuchsia; + @import "file2"; +} + + +.mixin-import() { + @import "file3"; +} + +.one { + .mixin-import(); + color: blue; +} + +.two { + .mixin-import(); +} + + +#merge-import-mixins { + @import "a"; + @import "b"; + div { .just-a-class; } +} + + +@import "inner/file1"; + + +// test bubbling variables up from imports, while preserving order + +pre { + color: @someValue; +} + +@import "file3"; + diff --git a/vendor/leafo/lessphp/tests/inputs/interpolation.less b/vendor/leafo/lessphp/tests/inputs/interpolation.less new file mode 100644 index 00000000..8aad0004 --- /dev/null +++ b/vendor/leafo/lessphp/tests/inputs/interpolation.less @@ -0,0 +1,47 @@ + +@cool-hello: "yes"; +@cool-yes: "okay"; +@var: "hello"; + +div { + interp1: ~"@{cool-hello}"; + interp2: ~"@{cool-@{var}}"; + interp3: ~"@{cool-@{cool-@{var}}}"; +} + +// interpolation in selectors + +@hello: 10; +@world: "yeah"; + +@{hello}@{world} { + color: blue; +} + +@{hello} { + color: blue; +} + +hello world @{hello} { + color: red; +} + +#@{world} { + color: "hello @{hello}"; +} + + +@num: 3; + +[prop], +[prop="value@{num}"], +[prop*="val@{num}"], +[|prop~="val@{num}"], +[*|prop$="val@{num}"], +[ns|prop^="val@{num}"], +[@{num}^="val@{num}"], +[@{num}=@{num}], +[@{num}] { + attributes: yes; +} + diff --git a/vendor/leafo/lessphp/tests/inputs/keyframes.less b/vendor/leafo/lessphp/tests/inputs/keyframes.less new file mode 100644 index 00000000..e65a38b9 --- /dev/null +++ b/vendor/leafo/lessphp/tests/inputs/keyframes.less @@ -0,0 +1,52 @@ +@keyframes 'bounce' { + from { + top: 100px; + animation-timing-function: ease-out; + } + + 25% { + top: 50px; + animation-timing-function: ease-in; + } + + 50% { + top: 100px; + animation-timing-function: ease-out; + } + + 75% { + top: 75px; + animation-timing-function: ease-in; + } + + to { + top: 100px; + } +} + +@-webkit-keyframes flowouttoleft { + 0% { -webkit-transform: translateX(0) scale(1); } + 60%, 70% { -webkit-transform: translateX(0) scale(.7); } + 100% { -webkit-transform: translateX(-100%) scale(.7); } +} + +div { + animation-name: 'diagonal-slide'; + animation-duration: 5s; + animation-iteration-count: 10; +} + +@keyframes 'diagonal-slide' { + + from { + left: 0; + top: 0; + } + + to { + left: 100px; + top: 100px; + } + +} + diff --git a/vendor/leafo/lessphp/tests/inputs/math.less b/vendor/leafo/lessphp/tests/inputs/math.less new file mode 100644 index 00000000..db59d356 --- /dev/null +++ b/vendor/leafo/lessphp/tests/inputs/math.less @@ -0,0 +1,122 @@ + +.unary { + // all operators are parsable as unary operators, anything + // but - throws an error right now though, + + // this gives two numbers + sub: 10 -5; + // add: 10 +5; // error + // div: 10 /5; // error + // mul: 10 *5; // error +} + +.spaces { + // we can make the parser do math by leaving out the + // space after the first value, or putting spaces on both sides + + sub1: 10-5; + sub2: 10 - 5; + + add1: 10+5; + add2: 10 + 5; + + // div: 10/5; // this wont work, read on + div: 10 / 5; + + mul1: 10*5; + mul2: 10 * 5; +} + +// these properties have divison not in parenthases +.supress-division { + border-radius: 10px / 10px; + border-radius: 10px/12px; + border-radius: hello (10px/10px) world; + @x: 10px; + font: @x/30 sans-serif; + font: 10px / 20px sans-serif; + font: 10px/22px sans-serif; + border-radius:0 15px 15px 15px / 0 50% 50% 50%; +} + + +.parens { + // if you are unsure, then just wrap the expression in parentheses and it will + // always evaluate. + + // notice we no longer have unary operators, and these will evaluate + sub: (10 -5); + add: (10 +5); + div1: (10 /5); + div2: (10/5); // no longer interpreted as the shorthand + mul: (10 *5); +} + +.keyword-names { + // watch out when doing math with keywords, - is a valid keyword character + @a: 100; + @b: 25; + @a-: "hello"; + height: @a-@b; // here we get "hello" 25, not 75 +} + + +.negation { + neg1: -(1px); + neg2: 0-(1px); + + @something: 10; + neg3: -@something; +} + + +// and now here are the tests + +.test { + single1: (5); + single2: 5+(5); + single3: (5)+((5)); + + parens: (5 +(5)) -2; + // parens: ((5 +(5)) -2); // FAILS - fixme + + math1: (5 + 5)*(2 / 1); + math2: (5+5)*(2/1); + + complex1: 2 * (4 * (2 + (1 + 6))) - 1; + complex2: ((2+3)*(2+3) / (9-4)) + 1; + complex3: (2px + 4px) 1em 2px 2; + + @var: (2 * 2); + var1: (2 * @var) 4 4 (@var * 1px); + var2: (@var * @var) * 6; + var3: 4 * (5 + 5) / 2 - (@var * 2); + + complex4: (7 * 7) + (8 * 8); +} + +.percents { + p1: 100 * 10%; + p2: 10% * 100; + p3: 10% * 10%; + + p4: 100px * 10%; // lessjs makes this px + p5: 10% * 100px; // lessjs makes this % + + p6: 20% + 10%; + p7: 20% - 10%; + + p8: 20% / 10%; +} + +.misc { + x: 10px * 4em; + y: 10 * 4em; +} + + +.cond { + c1: 10 < 10; + c2: 10 >= 10; +} + diff --git a/vendor/leafo/lessphp/tests/inputs/media.less b/vendor/leafo/lessphp/tests/inputs/media.less new file mode 100644 index 00000000..8c16a3cf --- /dev/null +++ b/vendor/leafo/lessphp/tests/inputs/media.less @@ -0,0 +1,68 @@ +@media screen, 3D { + P { color: green; } +} +@media print { + body { font-size: 10pt } +} +@media screen { + body { font-size: 13px } +} +@media screen, print { + body { line-height: 1.2 } +} + +@media all and (min-width: 0px) { + body { line-height: 1.2 } +} + +@media all and (min-width: 0) { + body { line-height: 1.2 } +} + +@media + screen and (min-width: 102.5em) and (max-width: 117.9375em), + screen and (min-width: 150em) { + body { color: blue } +} + + +@media screen and (min-height: 100px + 10px) { + body { color: red; } +} + +@cool: 100px; + +@media screen and (height: @cool) and (width: @cool + 10), (size: @cool + 20) { + body { color: red; } +} + + +// media bubbling + +@media test { + div { + height: 20px; + @media (hello) { + color: red; + + pre { + color: orange; + } + } + } +} + +// should not cross boundary +@media yeah { + @page { + @media cool { + color: red; + } + } +} + +// variable in query +@mobile: ~"(max-width: 599px)"; +@media @mobile { + .helloworld { color: blue } +} diff --git a/vendor/leafo/lessphp/tests/inputs/misc.less b/vendor/leafo/lessphp/tests/inputs/misc.less new file mode 100644 index 00000000..eb690b9a --- /dev/null +++ b/vendor/leafo/lessphp/tests/inputs/misc.less @@ -0,0 +1,100 @@ + +@color: #fff; +@base_path: "/assets/images/"; +@images: @base_path + "test/"; +.topbar { background: url(@{images}topbar.png); } +.hello { test: empty-function(@images, 40%, to(@color)); } + +.css3 { + background-image: -webkit-gradient(linear, 0% 0%, 0% 90%, + from(#E9A000), to(#A37000)); +} + + +/** + +Here is a block comment + +**/ + + +// this is a comment + +.test, /*hello*/.world { + border: 1px solid red; // world + /* another property */ + color: url(http://mage-page.com); + string: "hello /* this is not a comment */"; + world: "// neither is this"; + string: 'hello /* this is not a comment */' /*what if this is a comment */; + world: '// neither is this' // hell world; + ; + what-/*something?*/ever: 100px; + background: url(/*no comment here*/); +} + + +.urls { + @var: "http://google.com"; + background1: url(@var); + background2: url(@{var}); + background3: url("@{var}"); +} + +.mix(@arg) { color: @arg; } +@aaa: aaa; +@bbb: bbb; +// make sure the opening selector isn't too greedy +.cool {.mix("@{aaa}, @{bbb}")} +.cool(); + + + +// merging of mixins +.span-17 { float: left; } +.span-17 { width: 660px; } + +.x {.span-17;} + +.hi { + pre { + color: red; + } +} + +.hi { + pre { + color: blue; + } +} + +.rad { + .hi; +} + + +hello { + numbers: 1.0 0.1 .1 1.; + numbers: 1.0s 0.1s .1s 1.s; + numbers: -1.0s -0.1s -.1s -1.s; + numbers: -1.0 -0.1 -.1 -1.; +} + + +#string { + hello: 'what\'s going on here'; + hello: 'blah blag @{ blah blah'; + + join: 3434 + "hello"; + join: 3434 + hello; +} + + +.duplicates { + hello: world; + hello: "world"; + hello: world; + hello: "what"; + hello: world; + hello: "world"; +} diff --git a/vendor/leafo/lessphp/tests/inputs/mixin_functions.less b/vendor/leafo/lessphp/tests/inputs/mixin_functions.less new file mode 100644 index 00000000..2d858ad6 --- /dev/null +++ b/vendor/leafo/lessphp/tests/inputs/mixin_functions.less @@ -0,0 +1,33 @@ + +@outer: 10px; +@class(@var:22px, @car: 400px + @outer) { + margin: @var; + height: @car; +} + +@group { + @f(@color) { + color: @color; + } + .cool { + border-bottom: 1px solid green; + } +} + +.class(@width:200px) { + padding: @width; +} + +body { + .class(2.0em); + @group > @f(red); + @class(10px, 10px + 2); + @group > .cool; +} + + +@lots(@a: 10px, @b: 20px, @c: 30px, @d: 40px, @e: 4px, @f:3px, @g:2px, @h: 1px) { + padding: @a @b @c @d; + margin: @e @f @g @h; +} + diff --git a/vendor/leafo/lessphp/tests/inputs/mixin_merging.less.disable b/vendor/leafo/lessphp/tests/inputs/mixin_merging.less.disable new file mode 100644 index 00000000..86b3e0cb --- /dev/null +++ b/vendor/leafo/lessphp/tests/inputs/mixin_merging.less.disable @@ -0,0 +1,100 @@ + +@tester { + p, div { height: 10px; } +} + +#test1 { + div { color: red; } + @tester; +} + + +@cool { + a,b,i { width: 1px; } +} + +#test2 { + b { color: red; } + @cool; +} + +#test3 { + @cool; + b { color: red; } +} + +@cooler { + a { margin: 1px; } +} + +#test4 { + a, div, html { color: blue; } + @cooler; +} + +@hi { + img, strong { float: right; } +} + +#test5 { + img, strong { padding: 2px; } + @hi; +} + +@nested { + div, span { + a { + color: red; + } + } +} + +#test6 { + div, span { + a { + line-height: 10px; + } + } + @nested; +} + +@broken-nesting { + div, span { + strong, b { + color: red; + } + } + +} + +#test7 { + div { + strong { + margin: 1px; + } + } + @broken-nesting; +} + + +@another-nest { + a,b { + i { + color: red; + } + + s { + color: blue; + } + } +} + +#test8 { + a, b { + i,s { + background: red; + } + } + @another-nest; +} + diff --git a/vendor/leafo/lessphp/tests/inputs/mixins.less b/vendor/leafo/lessphp/tests/inputs/mixins.less new file mode 100644 index 00000000..768e6384 --- /dev/null +++ b/vendor/leafo/lessphp/tests/inputs/mixins.less @@ -0,0 +1,197 @@ + +@rounded-corners { + border-radius: 10px; +} + +.bold { + @font-size: 20px; + font-size: @font-size; + font-weight: bold; +} + +body #window { + @rounded-corners; + .bold; + line-height: @font-size * 1.5; +} + +#bundle { + .button { + display: block; + border: 1px solid black; + background-color: grey; + &:hover { background-color: white } + } +} +#header a { + color: orange; + #bundle > .button; // mixin the button class +} + +div { + @abstract { + hello: world; + b { + color: blue; + } + } + + @abstract > b; + @abstract; +} + +@poop { + big: baby; +} + +body { + div; +} + +// not using > to list mixins + +.hello { + .world { + color: blue; + } +} + +.foobar { + .hello .world; +} + + +// arguments + +.spam(@something: 100, @dad: land) { + @wow: 23434; + foo: @arguments; + bar: @arguments; +} + +.eggs { + .spam(1px, 2px); + .spam(); +} + +.first(@one, @two, @three, @four: cool) { + cool: @arguments; +} + +#hello { + .first(one, two, three); +} + +#hello-important { + .first(one, two, three) !important; +} + +.rad(@name) { + cool: @arguments; +} + +#world { + @hello: "world"; + .rad("@{hello}"); +} + +.second(@x, @y:skip, @z: me) { + things: @arguments; +} + +#another { + .second(red, blue, green); + .second(red blue green); +} + + +.another(@x, @y:skip, @z:me) { + .cool { + color: @arguments; + } +} + +#day { + .another(one,two, three); + .another(one two three); +} + + +.to-be-important() { + color: red; + @color: red; + height: 20px; + + pre { + color: @color; + } +} + +.mix-suffix { + .to-be-important() !important; +} + + + + +#search-all { + .red() { + color:#f00 !important; + } +} + +#search-all { + .green() { + color: #0f0 !important; + } +} + +.search-test { + #search-all > .red(); + #search-all > .green(); +} + + +// mixin self without infinite loop +.cowboy() { + color: blue; +} + +.cowboy { + .cowboy; +} + + +// semicolon + +.semi1(@color: red, blue, green;) { + color: @color; +} + +.semi2(@color: red, blue, green; dad) { + color: @color; +} + +.semi3(hello; world; piss) { + hello: world; +} + + + +// self referencing skipping + +.nav-divider(@color: red){ + padding: 10px; +} + +.nav { + .nav-divider { + .nav-divider(); + } +} + +.nav-divider { + .nav-divider(); +} + + diff --git a/vendor/leafo/lessphp/tests/inputs/nested.less b/vendor/leafo/lessphp/tests/inputs/nested.less new file mode 100644 index 00000000..0b62ea19 --- /dev/null +++ b/vendor/leafo/lessphp/tests/inputs/nested.less @@ -0,0 +1,60 @@ +#header { + color: black; + + .navigation { + font-size: 12px; + .border { + .outside { + color: blue; + } + } + } + .logo { + width: 300px; + &:hover { text-decoration: none } + } +} + +a { b { ul { li { color: green; } } } } + +this { will { not { show { } } } } + +.cool { + div & { color: green; } + p & span { color: yellow; } +} + +another { + .cool; +} + +b { + & .something { + color: blue; + } + + &.something { + color: blue; + } +} + +.foo { + .bar, .baz { + & .qux { + display: block; + } + .qux & { + display: inline; + } + .qux & .biz { + display: none; + } + } +} + +b { + hello [x="&yeah"] { + color: red; + } +} + diff --git a/vendor/leafo/lessphp/tests/inputs/pattern_matching.less b/vendor/leafo/lessphp/tests/inputs/pattern_matching.less new file mode 100644 index 00000000..c2a0da91 --- /dev/null +++ b/vendor/leafo/lessphp/tests/inputs/pattern_matching.less @@ -0,0 +1,157 @@ + +.demo (light, @color) { + color: lighten(@color, 10%); +} +.demo (@_, @color) { + display: block; +} + +@switch: light; + +.class { + .demo(@switch, #888); +} + +// by arity + +.mixin () { + zero: 0; +} +.mixin (@a: 1px) { + one: 1; +} +.mixin (@a) { + one-req: 1; +} +.mixin (@a: 1px, @b: 2px) { + two: 2; +} + +.mixin (@a, @b, @c) { + three-req: 3; +} + +.mixin (@a: 1px, @b: 2px, @c: 3px) { + three: 3; +} + +.zero { + .mixin(); +} + +.one { + .mixin(1); +} + +.two { + .mixin(1, 2); +} + +.three { + .mixin(1, 2, 3); +} + +// + +.mixout ('left') { + left: 1; +} + +.mixout ('right') { + right: 1; +} + +.left { + .mixout('left'); +} +.right { + .mixout('right'); +} + +// + +.border (@side, @width) { + color: black; + .border-side(@side, @width); +} +.border-side (left, @w) { + border-left: @w; +} +.border-side (right, @w) { + border-right: @w; +} + +.border-right { + .border(right, 4px); +} +.border-left { + .border(left, 4px); +} + +// + + +.border-radius (@r) { + both: @r * 10; +} +.border-radius (@r, left) { + left: @r; +} +.border-radius (@r, right) { + right: @r; +} + +.only-right { + .border-radius(33, right); +} +.only-left { + .border-radius(33, left); +} +.left-right { + .border-radius(33); +} + +.hola(hello, @hello...) { + color: blue; +} + +#hola { + .hola(hello, world); +} + +.resty(@hello, @world, @the_rest...) { + padding: @hello @world; + rest: @the_rest; +} + +.defaults(@aa, @bb:e343, @cc: "heah", ...) { + height: @aa; +} + +#defaults_1 { + .defaults(one); + .defaults(two, one); + .defaults(three, two, one); + .defaults(four, three, two, one); +} + + +.thing() { color: green; } +.thing(...) { color: blue; } +.thing { color: red; } + +#aa { + .thing(); +} + +#bb { + .thing; +} + + +#cc { + .thing(1); +} + + + diff --git a/vendor/leafo/lessphp/tests/inputs/scopes.less b/vendor/leafo/lessphp/tests/inputs/scopes.less new file mode 100644 index 00000000..42e46969 --- /dev/null +++ b/vendor/leafo/lessphp/tests/inputs/scopes.less @@ -0,0 +1,40 @@ + + +@a: 10; +@some { + @b: @a + 10; + div { + @c: @b + 10; + other { + @d: @c + 10; + world { + @e: @d + 10; + height: @e; + } + } + } +} + + +body { + @some; +} + +@some; + +.test(@x: 10) { + height: @x; + .test(@y: 11) { + height: @y; + .test(@z: 12) { + height: @z; + } + .test; + } + .test; +} + +pre { + .test; +} + diff --git a/vendor/leafo/lessphp/tests/inputs/selector_expressions.less b/vendor/leafo/lessphp/tests/inputs/selector_expressions.less new file mode 100644 index 00000000..b8aa2214 --- /dev/null +++ b/vendor/leafo/lessphp/tests/inputs/selector_expressions.less @@ -0,0 +1,29 @@ + +@color: blue; + +something @{color}, world { + color: blue; +} + +.div { + @color: red; + (3434) { + height: 100px; + } + + cool @{color} { + height: 4000px; + } +} + +.heck(@a) { color: @a+10 } + +.spanX (@index) when (@index > 0) { + .span@{index} { .heck(@index) } + .spanX(@index - 1); +} +.spanX (0) {} + +.spanX (5); + + diff --git a/vendor/leafo/lessphp/tests/inputs/site_demos.less b/vendor/leafo/lessphp/tests/inputs/site_demos.less new file mode 100644 index 00000000..08d7f1e5 --- /dev/null +++ b/vendor/leafo/lessphp/tests/inputs/site_demos.less @@ -0,0 +1,120 @@ +// these are the demos from the lessphp homepage + +default { + @base: 24px; + @border-color: #B2B; + + .underline { border-bottom: 1px solid green } + + #header { + color: black; + border: 1px solid @border-color + #222222; + + .navigation { + font-size: @base / 2; + a { + .underline; + } + } + .logo { + width: 300px; + &:hover { text-decoration: none } + } + } +} + +variables { + @a: 2; + @x: @a * @a; + @y: @x + 1; + @z: @x * 2 + @y; + + @nice-blue: #5B83AD; + @light-blue: @nice-blue + #111; + + @b: @a * 10; + @c: #888; + @fonts: "Trebuchet MS", Verdana, sans-serif; + + .variables { + width: @z + 1cm; // 14cm + height: @b + @x + 0px; // 24px + color: @c; + background: @light-blue; + font-family: @fonts; + } +} + +mixins { + .bordered { + border-top: dotted 1px black; + border-bottom: solid 2px black; + } + #menu a { + color: #111; + .bordered; + } + + .post a { + color: red; + .bordered; + } +} + +nested-rules { + #header { + color: black; + + .navigation { + font-size: 12px; + } + .logo { + width: 300px; + &:hover { text-decoration: none } + } + } +} + +namespaces { + #bundle { + .button { + display: block; + border: 1px solid black; + background-color: grey; + &:hover { background-color: white } + } + } + #header a { + color: orange; + #bundle > .button; // mixin the button class + } +} + +mixin-functions { + @outer: 10px; + @class(@var:22px, @car: 400px + @outer) { + margin: @var; + height: @car; + } + + @group { + @f(@color) { + color: @color; + } + .cool { + border-bottom: 1px solid green; + } + } + + .class(@width:200px) { + padding: @width; + } + + body { + .class(2.0em); + @group > @f(red); + @class(10px, 10px + 2); + @group > .cool; + } +} + diff --git a/vendor/leafo/lessphp/tests/inputs/test-imports/a.less b/vendor/leafo/lessphp/tests/inputs/test-imports/a.less new file mode 100644 index 00000000..a00464db --- /dev/null +++ b/vendor/leafo/lessphp/tests/inputs/test-imports/a.less @@ -0,0 +1,6 @@ +.just-a-class { background: red; } + +.some-mixin() { + height: 200px; +} + diff --git a/vendor/leafo/lessphp/tests/inputs/test-imports/b.less b/vendor/leafo/lessphp/tests/inputs/test-imports/b.less new file mode 100644 index 00000000..599ed3a4 --- /dev/null +++ b/vendor/leafo/lessphp/tests/inputs/test-imports/b.less @@ -0,0 +1,12 @@ +.just-a-class { background: blue; } + +.hello { + .some-mixin(); +} + + +@media cool { + color: red; + .some-mixin(); +} + diff --git a/vendor/leafo/lessphp/tests/inputs/test-imports/file1.less b/vendor/leafo/lessphp/tests/inputs/test-imports/file1.less new file mode 100644 index 00000000..658de0c5 --- /dev/null +++ b/vendor/leafo/lessphp/tests/inputs/test-imports/file1.less @@ -0,0 +1,16 @@ + + +/** + * This is a test import file + */ + +@colors { + div.bright { + color: red; + } + + div.sad { + color: blue; + } +} + diff --git a/vendor/leafo/lessphp/tests/inputs/test-imports/file2.less b/vendor/leafo/lessphp/tests/inputs/test-imports/file2.less new file mode 100644 index 00000000..2cae8dce --- /dev/null +++ b/vendor/leafo/lessphp/tests/inputs/test-imports/file2.less @@ -0,0 +1,6 @@ + +b { + color: @color; + padding: 16px; +} + diff --git a/vendor/leafo/lessphp/tests/inputs/test-imports/file3.less b/vendor/leafo/lessphp/tests/inputs/test-imports/file3.less new file mode 100644 index 00000000..28b643ea --- /dev/null +++ b/vendor/leafo/lessphp/tests/inputs/test-imports/file3.less @@ -0,0 +1,7 @@ + +h2 { + background: url("../images/logo.png") no-repeat; +} + +@someValue: hello-from-file-3; + diff --git a/vendor/leafo/lessphp/tests/inputs/test-imports/inner/file1.less b/vendor/leafo/lessphp/tests/inputs/test-imports/inner/file1.less new file mode 100644 index 00000000..df654a7e --- /dev/null +++ b/vendor/leafo/lessphp/tests/inputs/test-imports/inner/file1.less @@ -0,0 +1,6 @@ + +.inner { + content: "inner/file1.less" +} + +@import "file2"; // should get the one in inner diff --git a/vendor/leafo/lessphp/tests/inputs/test-imports/inner/file2.less b/vendor/leafo/lessphp/tests/inputs/test-imports/inner/file2.less new file mode 100644 index 00000000..f40d3c67 --- /dev/null +++ b/vendor/leafo/lessphp/tests/inputs/test-imports/inner/file2.less @@ -0,0 +1,4 @@ + +.inner { + content: "inner/file2.less" +} diff --git a/vendor/leafo/lessphp/tests/inputs/variables.less b/vendor/leafo/lessphp/tests/inputs/variables.less new file mode 100644 index 00000000..6e18eb80 --- /dev/null +++ b/vendor/leafo/lessphp/tests/inputs/variables.less @@ -0,0 +1,44 @@ +@a: 2; +@x: @a * @a; +@y: @x + 1; +@z: @y + @x * 2; +@m: @z % @y; + +@nice-blue: #5B83AD; +@light-blue: @nice-blue + #111; + +@rgb-color: rgb(20%, 15%, 80%); +@rgba-color: rgba(23,68,149,0.5); + +@b: @a * 10px; +@c: #888; +@fonts: "Trebuchet MS", Verdana, sans-serif; + +.variables { + width: @z + 1cm; // 14cm + height: @b + @x + 0px; // 24px + margin-top: -@b; // -20px + margin-bottom: 10 - -@b; // 30px + @d: @c + #001; + color: @d; + background: @light-blue; + font-family: @fonts; + margin: @m + 0px; // 3px + font: 10px/12px serif; + font: 120%/120% serif; +} + +.external { + color: @c; + border: 1px solid @rgb-color; + background: @rgba-color; +} + +@hello: 44px; +@something: "hello"; +@cool: something; + +outer1: @@something; +outer2: @@@cool; + + diff --git a/vendor/leafo/lessphp/tests/inputs_lessjs/mixins-args.less b/vendor/leafo/lessphp/tests/inputs_lessjs/mixins-args.less new file mode 100644 index 00000000..c3965924 --- /dev/null +++ b/vendor/leafo/lessphp/tests/inputs_lessjs/mixins-args.less @@ -0,0 +1,205 @@ +.mixin (@a: 1px, @b: 50%) { + width: (@a * 5); + height: (@b - 1%); +} + +.mixina (@style, @width, @color: black) { + border: @width @style @color; +} + +.mixiny +(@a: 0, @b: 0) { + margin: @a; + padding: @b; +} + +.hidden() { + color: transparent; // asd +} + +#hidden { + .hidden; +} + +#hidden1 { + .hidden(); +} + +.two-args { + color: blue; + .mixin(2px, 100%); + .mixina(dotted, 2px); +} + +.one-arg { + .mixin(3px); +} + +.no-parens { + .mixin; +} + +.no-args { + .mixin(); +} + +.var-args { + @var: 9; + .mixin(@var, (@var * 2)); +} + +.multi-mix { + .mixin(2px, 30%); + .mixiny(4, 5); +} + +.maxa(@arg1: 10, @arg2: #f00) { + padding: (@arg1 * 2px); + color: @arg2; +} + +body { + .maxa(15); +} + +@glob: 5; +.global-mixin(@a:2) { + width: (@glob + @a); +} + +.scope-mix { + .global-mixin(3); +} + +.nested-ruleset (@width: 200px) { + width: @width; + .column { margin: @width; } +} +.content { + .nested-ruleset(600px); +} + +// + +.same-var-name2(@radius) { + radius: @radius; +} +.same-var-name(@radius) { + .same-var-name2(@radius); +} +#same-var-name { + .same-var-name(5px); +} + +// + +.var-inside () { + @var: 10px; + width: @var; +} +#var-inside { .var-inside; } + +.mixin-arguments (@width: 0px, ...) { + border: @arguments; + width: @width; +} + +.arguments { + .mixin-arguments(1px, solid, black); +} +.arguments2 { + .mixin-arguments(); +} +.arguments3 { + .mixin-arguments; +} + +.mixin-arguments2 (@width, @rest...) { + border: @arguments; + rest: @rest; + width: @width; +} +.arguments4 { + .mixin-arguments2(0, 1, 2, 3, 4); +} + +// Edge cases + +.edge-case { + .mixin-arguments("{"); +} + +// Division vs. Literal Slash +.border-radius(@r: 2px/5px) { + border-radius: @r; +} +.slash-vs-math { + .border-radius(); + .border-radius(5px/10px); + .border-radius((3px * 2)); +} +// semi-colon vs comma for delimiting + +.mixin-takes-one(@a) { + one: @a; +} + +.mixin-takes-two(@a; @b) { + one: @a; + two: @b; +} + +.comma-vs-semi-colon { + .mixin-takes-two(@a : a; @b : b, c); + .mixin-takes-two(@a : d, e; @b : f); + .mixin-takes-one(@a: g); + .mixin-takes-one(@a : h;); + .mixin-takes-one(i); + .mixin-takes-one(j;); + .mixin-takes-two(k, l); + .mixin-takes-one(m, n;); + .mixin-takes-two(o, p; q); + .mixin-takes-two(r, s; t;); +} + +.mixin-conflict(@a:defA, @b:defB, @c:defC) { + three: @a, @b, @c; +} + +.mixin-conflict(@a:defA, @b:defB, @c:defC, @d:defD) { + four: @a, @b, @c, @d; +} + +#named-conflict { + .mixin-conflict(11, 12, 13, @a:a); + .mixin-conflict(@a:a, 21, 22, 23); +} +@a: 3px; +.mixin-default-arg(@a: 1px, @b: @a, @c: @b) { + defaults: 1px 1px 1px; + defaults: 2px 2px 2px; +} + +.test-mixin-default-arg { + .mixin-default-arg(); + .mixin-default-arg(2px); +} + +.mixin-comma-default1(@color; @padding; @margin: 2, 2, 2, 2) { + margin: @margin; +} +.selector { + .mixin-comma-default1(#33acfe; 4); +} +.mixin-comma-default2(@margin: 2, 2, 2, 2;) { + margin: @margin; +} +.selector2 { + .mixin-comma-default2(); +} +.mixin-comma-default3(@margin: 2, 2, 2, 2) { + margin: @margin; +} +.selector3 { + .mixin-comma-default3(4,2,2,2); +} diff --git a/vendor/leafo/lessphp/tests/inputs_lessjs/mixins-named-args.less b/vendor/leafo/lessphp/tests/inputs_lessjs/mixins-named-args.less new file mode 100644 index 00000000..f62dc86a --- /dev/null +++ b/vendor/leafo/lessphp/tests/inputs_lessjs/mixins-named-args.less @@ -0,0 +1,36 @@ +.mixin (@a: 1px, @b: 50%) { + width: (@a * 5); + height: (@b - 1%); + args: @arguments; +} +.mixin (@a: 1px, @b: 50%) when (@b > 75%){ + text-align: center; +} + +.named-arg { + color: blue; + .mixin(@b: 100%); +} + +.class { + @var: 20%; + .mixin(@b: @var); +} + +.all-args-wrong-args { + .mixin(@b: 10%, @a: 2px); +} + +.mixin2 (@a: 1px, @b: 50%, @c: 50) { + width: (@a * 5); + height: (@b - 1%); + color: (#000000 + @c); +} + +.named-args2 { + .mixin2(3px, @c: 100); +} + +.named-args3 { + .mixin2(@b: 30%, @c: #123456); +} diff --git a/vendor/leafo/lessphp/tests/inputs_lessjs/strings.less b/vendor/leafo/lessphp/tests/inputs_lessjs/strings.less new file mode 100644 index 00000000..32fad721 --- /dev/null +++ b/vendor/leafo/lessphp/tests/inputs_lessjs/strings.less @@ -0,0 +1,51 @@ +#strings { + background-image: url("http://son-of-a-banana.com"); + quotes: "~" "~"; + content: "#*%:&^,)!.(~*})"; + empty: ""; + brackets: "{" "}"; + escapes: "\"hello\" \\world"; + escapes2: "\"llo"; +} +#comments { + content: "/* hello */ // not-so-secret"; +} +#single-quote { + quotes: "'" "'"; + content: '""#!&""'; + empty: ''; + semi-colon: ';'; +} +#escaped { + filter: ~"DX.Transform.MS.BS.filter(opacity=50)"; +} +#one-line { image: url(http://tooks.com) } +#crazy { image: url(http://), "}", url("http://}") } +#interpolation { + @var: '/dev'; + url: "http://lesscss.org@{var}/image.jpg"; + + @var2: 256; + url2: "http://lesscss.org/image-@{var2}.jpg"; + + @var3: #456; + url3: "http://lesscss.org@{var3}"; + + @var4: hello; + url4: "http://lesscss.org/@{var4}"; + + @var5: 54.4px; + url5: "http://lesscss.org/@{var5}"; +} + +// multiple calls with string interpolation + +.mix-mul (@a: green) { + color: ~"@{a}"; +} +.mix-mul-class { + .mix-mul(blue); + .mix-mul(red); + .mix-mul(black); + .mix-mul(orange); +} diff --git a/vendor/leafo/lessphp/tests/outputs/accessors.css b/vendor/leafo/lessphp/tests/outputs/accessors.css new file mode 100644 index 00000000..2f3c9e61 --- /dev/null +++ b/vendor/leafo/lessphp/tests/outputs/accessors.css @@ -0,0 +1,14 @@ +.article { color:#294366; } +.comment { + width:960px; + color:#294366; + padding:10px; +} +.wow { + height:960px; + background-color:#294366; + color:green; + padding:; + margin:; +} +.mix { font-size:10px; } diff --git a/vendor/leafo/lessphp/tests/outputs/arity.css b/vendor/leafo/lessphp/tests/outputs/arity.css new file mode 100644 index 00000000..5173561d --- /dev/null +++ b/vendor/leafo/lessphp/tests/outputs/arity.css @@ -0,0 +1,25 @@ +.one { + hello: one; + world: one; +} +.two { + hello: two; + world: two; +} +.three { + hello: three; + world: three; +} +.multi-foo { + foo: two cool; + foo: three cool yeah; + foo: two 1; + foo: three 1 yeah; + foo: three 1 1; +} +.multi-baz { + baz: two cool; + baz: three yeah; + baz: two 1; + baz: three 1; +} diff --git a/vendor/leafo/lessphp/tests/outputs/attributes.css b/vendor/leafo/lessphp/tests/outputs/attributes.css new file mode 100644 index 00000000..fb0e176c --- /dev/null +++ b/vendor/leafo/lessphp/tests/outputs/attributes.css @@ -0,0 +1,105 @@ +* { + color: blue; +} +E { + color: blue; +} +E[foo] { + color: blue; +} +[foo] { + color: blue; +} +[foo] .helloWorld { + color: blue; +} +[foo].helloWorld { + color: blue; +} +E[foo="barbar"] { + color: blue; +} +E[foo~="hello#$@%@$#^"] { + color: blue; +} +E[foo^="color: green;"] { + color: blue; +} +E[foo$="239023"] { + color: blue; +} +E[foo*="29302"] { + color: blue; +} +E[foo|="239032"] { + color: blue; +} +E:root { + color: blue; +} +E:nth-child(odd) { + color: blue; +} +E:nth-child(2n+1) { + color: blue; +} +E:nth-child(5) { + color: blue; +} +E:nth-last-child(-n+2) { + color: blue; +} +E:nth-of-type(2n) { + color: blue; +} +E:nth-last-of-type(n) { + color: blue; +} +E:first-child { + color: blue; +} +E:last-child { + color: blue; +} +E:first-of-type { + color: blue; +} +E:last-of-type { + color: blue; +} +E:only-child { + color: blue; +} +E:only-of-type { + color: blue; +} +E:empty { + color: blue; +} +E:lang(en) { + color: blue; +} +E::first-line { + color: blue; +} +E::before { + color: blue; +} +E#id { + color: blue; +} +E:not(:link) { + color: blue; +} +E F { + color: blue; +} +E > F { + color: blue; +} +E + F { + color: blue; +} +E ~ F { + color: blue; +} diff --git a/vendor/leafo/lessphp/tests/outputs/builtins.css b/vendor/leafo/lessphp/tests/outputs/builtins.css new file mode 100644 index 00000000..6ac21f2c --- /dev/null +++ b/vendor/leafo/lessphp/tests/outputs/builtins.css @@ -0,0 +1,61 @@ +body { + color: "hello world"; + num-basic: 5.1666666666667; + num-floor: 5px; + num-ceil: 6px; + num2: 0.66666666666667; + num2-round: 1; + num2-floor: 0; + num2-ceil: 1; + round-lit: 3px; + rgba1: #ff112233; + rgba2: #992c3742; + argb: #992c3742; +} +format { + format: "rgb(32, 128, 64)"; + format-string: "hello world"; + format-multiple: "hello earth 2"; + format-url-encode: 'red is %A'; + eformat: rgb(32, 128, 64); +} +#functions { + str1: true; + str2: false; + num1: true; + num2: true; + num3: true; + num4: false; + col1: true; + col2: false; + col3: true; + col4: true; + key1: true; + key2: false; + px1: true; + px2: false; + per1: true; + per2: false; + em1: true; + em2: false; + ex1: 2; + ex2: 1; + ex3: extract(1,1); + ex4: 2; + pow: 16; + pi: 3.1415926535898; + mod: 4; + tan: 1.5574077246549; + cos: 0.54030230586814; + sin: 0.8414709848079; + atan: 0.78539816339745rad; + acos: 0rad; + asin: 1.5707963267949rad; + sqrt: 2.8284271247462; +} +#unit { + unit-lit: 10; + unit-arg: 10s; + unit-arg2: 10em; + unit-math: 7.407%; +} diff --git a/vendor/leafo/lessphp/tests/outputs/colors.css b/vendor/leafo/lessphp/tests/outputs/colors.css new file mode 100644 index 00000000..5310ffb0 --- /dev/null +++ b/vendor/leafo/lessphp/tests/outputs/colors.css @@ -0,0 +1,103 @@ +body { + color: #ff0000; + color: #ffffff; + color: #000000; + color: #996d33; + color: rgba(153,109,51,0.3); + lighten1: #ffffff; + lighten2: #7c8df2; + lighten3: rgba(222,140,129,0.5); + darken1: #d6d6d6; + darken2: #0d1e81; + darken3: rgba(18,42,185,0.5); + saturate1: #f1eded; + saturate2: #0025fe; + saturate3: rgba(10,44,244,0.5); + desaturate1: #efefef; + desaturate2: #3349cb; + desaturate3: rgba(36,62,218,0.5); + spin1: #efefef; + spin2: #2d17e7; + spin3: rgba(59,23,231,0.5); + spin2: #efefef; + spin3: #1769e7; + spin4: rgba(23,119,231,0.5); + one1: #abcdef; + one2: #abcdef; + two1: rgba(2,159,35,0.9); + two2: rgba(2,159,35,0.9); + three1: rgba(1,2,3,0.6); + three2: rgba(1,2,3,0.6); + four1: rgba(1,2,3,0); + four2: rgba(1,2,3,0); + hue: 282; + sat: 33; + lit: 12; + what: #dff1da; + zero1: #343434; + zero2: #003468; + zero3: #000000; + zero4: #ffffff; + zero5: #000000; + zero6: #ffffff; + zero7: #ffffff; + zero8: #ffffff; + zero9: #1d5612; + zeroa: #56124b; + zerob: #000000; + zeroc: #ffffff; +} +alpha { + g1: 0; + g2: 1; +} +fade { + f1: rgba(255,0,0,0.5); + f2: rgba(255,255,255,0.2); + f3: rgba(34,23,64,0.5); +} +.mix { + color1: #808080; + color2: #808080; + color3: rgba(6,3,2,-0.25); +} +.contrast { + color1: #ff0000; + color2: #0000ff; +} +.percent { + per: 50%; +} +.colorz { + color1: #ebebeb; + color2: #ff9100; + color3: #000000; +} +body { + start: #fcf8e3; + spin: #fcf4e3; + chained: #fbeed5; + direct: #fbefd5; +} +pre { + spin: #f2dee1; +} +dd { + background-color: #f5f5f5; +} +.ops { + c1: #4d0000; + c2: #004000; + c3: #020002; + c4: #ffffff; + c5: #fb8173; + c6: 132 / #ff0000; + c7: 132 - #ff0000; + c8: 132- #ff0000; +} +.transparent { + r: 0; + g: 0; + b: 0; + a: 0; +} diff --git a/vendor/leafo/lessphp/tests/outputs/compile_on_mixin.css b/vendor/leafo/lessphp/tests/outputs/compile_on_mixin.css new file mode 100644 index 00000000..318526a5 --- /dev/null +++ b/vendor/leafo/lessphp/tests/outputs/compile_on_mixin.css @@ -0,0 +1,29 @@ +body { + height: 22px; +} +body ul { + height: 20px; +} +body ul li { + height: 10px; +} +body ul li div span, +body ul li link { + margin: 10px; + color: red; +} +body ul div, +body ul p { + border: 1px; +} +body ul div.hello, +body ul p.hello { + color: green; +} +body ul div :what, +body ul p :what { + color: blue; +} +body ul a b { + color: blue; +} diff --git a/vendor/leafo/lessphp/tests/outputs/data-uri.css b/vendor/leafo/lessphp/tests/outputs/data-uri.css new file mode 100644 index 00000000..e51b8f9c --- /dev/null +++ b/vendor/leafo/lessphp/tests/outputs/data-uri.css @@ -0,0 +1,6 @@ +.small { + background: url("data:text/plain;base64,CmRpdjpiZWZvcmUgewoJY29udGVudDogImhpISI7Cn0KCg=="); +} +.large { + background: url("../../../lessc.inc.php"); +} diff --git a/vendor/leafo/lessphp/tests/outputs/directives.css b/vendor/leafo/lessphp/tests/outputs/directives.css new file mode 100644 index 00000000..c2d82b83 --- /dev/null +++ b/vendor/leafo/lessphp/tests/outputs/directives.css @@ -0,0 +1,27 @@ +@charset "utf-8"; +@-moz-document url-prefix() { + div { + color: red; + } +} +@page :left { + margin-left: 4cm; +} +@page :right { + margin-left: 3cm; +} +@page { + margin: 2cm; +} +@-ms-viewport { + width: device-width; +} +@-moz-viewport { + width: device-width; +} +@-o-viewport { + width: device-width; +} +@viewport { + width: device-width; +} diff --git a/vendor/leafo/lessphp/tests/outputs/escape.css b/vendor/leafo/lessphp/tests/outputs/escape.css new file mode 100644 index 00000000..0587bcab --- /dev/null +++ b/vendor/leafo/lessphp/tests/outputs/escape.css @@ -0,0 +1,14 @@ +body { + e1: this is simple; + e2: this is simple; + e3: 1232; + e4: world; + e5: onemore; + t1: eating rice; + t2: string cheese; + t3: a b c string me d e f; + t4: string world; +} +.class { + filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src='image.png'); +} diff --git a/vendor/leafo/lessphp/tests/outputs/font_family.css b/vendor/leafo/lessphp/tests/outputs/font_family.css new file mode 100644 index 00000000..fc260fd4 --- /dev/null +++ b/vendor/leafo/lessphp/tests/outputs/font_family.css @@ -0,0 +1,17 @@ +@font-face { + font-family: Graublau Sans Web; + src: url(fonts/GraublauWeb.otf) format("opentype"); +} +@font-face { + font-family: Gentium; + src: url('fonts/Gentium.ttf'); +} +@font-face { + font-family: Gentium; + src: url("fonts/GentiumItalic.ttf"); + font-style: italic; +} +h2 { + font-family: Gentium; + crazy: maroon; +} diff --git a/vendor/leafo/lessphp/tests/outputs/guards.css b/vendor/leafo/lessphp/tests/outputs/guards.css new file mode 100644 index 00000000..34af5495 --- /dev/null +++ b/vendor/leafo/lessphp/tests/outputs/guards.css @@ -0,0 +1,27 @@ +dd { + simple: yellow; +} +b { + something: red; + something-complex: blue cool; + something-complex: blue birthday; +} +img { + another: green; + flipped: teal; +} +body { + yeah-number: purple 232px; + yeah-pixel: silver; + yeah-number: purple 232; +} +div { + something-complex: blue true; +} +link { + color: true red; + color: true #fff; + color: true #fffddd; + color: true #000000; + color: true rgba(0,0,0,0.34); +} diff --git a/vendor/leafo/lessphp/tests/outputs/hacks.css b/vendor/leafo/lessphp/tests/outputs/hacks.css new file mode 100644 index 00000000..b8327eb5 --- /dev/null +++ b/vendor/leafo/lessphp/tests/outputs/hacks.css @@ -0,0 +1,4 @@ +:root .alert-message, +:root .btn { + border-radius: 0 \0; +} diff --git a/vendor/leafo/lessphp/tests/outputs/hi.css b/vendor/leafo/lessphp/tests/outputs/hi.css new file mode 100644 index 00000000..3bffcf0b --- /dev/null +++ b/vendor/leafo/lessphp/tests/outputs/hi.css @@ -0,0 +1,3 @@ +div:before { + content: "hi!"; +} diff --git a/vendor/leafo/lessphp/tests/outputs/ie.css b/vendor/leafo/lessphp/tests/outputs/ie.css new file mode 100644 index 00000000..7e4571c8 --- /dev/null +++ b/vendor/leafo/lessphp/tests/outputs/ie.css @@ -0,0 +1,9 @@ +foo { + filter: progid:DXImageTransform.Microsoft.gradient(GradientType=1,startColorstr=#c0ff3300,endColorstr=#ff000000); + filter: progid:DXImageTransform.Microsoft.gradient(GradientType=1,startColorstr=#c0ff3300,endColorstr=#ff000001); +} +foo { + filter: alpha(opacity=20); + filter: alpha(opacity=20,enabled=true); + filter: blaznicate(foo=bar,baz=bang bip,bart=#fa4600); +} diff --git a/vendor/leafo/lessphp/tests/outputs/import.css b/vendor/leafo/lessphp/tests/outputs/import.css new file mode 100644 index 00000000..b76c25b5 --- /dev/null +++ b/vendor/leafo/lessphp/tests/outputs/import.css @@ -0,0 +1,51 @@ +@import "not-found"; +@import "something.css" media; +@import url("something.css") media; +@import url(something.css) media, screen, print; +b { + color: maroon; + padding: 16px; +} +body { + line-height: 10em; +} +body div.bright { + color: red; +} +body div.sad { + color: blue; +} +.one { + color: blue; +} +#merge-import-mixins .just-a-class { + background: red; +} +#merge-import-mixins .just-a-class { + background: blue; +} +#merge-import-mixins .hello { + height: 200px; +} +@media cool { + #merge-import-mixins { + color: red; + height: 200px; + } +} +#merge-import-mixins div { + background: red; + background: blue; +} +.inner { + content: "inner/file1.less"; +} +.inner { + content: "inner/file2.less"; +} +pre { + color: hello-from-file-3; +} +h2 { + background: url("../images/logo.png") no-repeat; +} diff --git a/vendor/leafo/lessphp/tests/outputs/interpolation.css b/vendor/leafo/lessphp/tests/outputs/interpolation.css new file mode 100644 index 00000000..c3ff1f42 --- /dev/null +++ b/vendor/leafo/lessphp/tests/outputs/interpolation.css @@ -0,0 +1,28 @@ +div { + interp1: yes; + interp2: yes; + interp3: okay; +} +10"yeah" { + color: blue; +} +10 { + color: blue; +} +hello world 10 { + color: red; +} +#"yeah" { + color: "hello 10"; +} +[prop], +[prop="value3"], +[prop*="val3"], +[|prop~="val3"], +[*|prop$="val3"], +[ns|prop^="val3"], +[3^="val3"], +[3=3], +[3] { + attributes: yes; +} diff --git a/vendor/leafo/lessphp/tests/outputs/keyframes.css b/vendor/leafo/lessphp/tests/outputs/keyframes.css new file mode 100644 index 00000000..cf62be11 --- /dev/null +++ b/vendor/leafo/lessphp/tests/outputs/keyframes.css @@ -0,0 +1,48 @@ +@keyframes 'bounce' { + from { + top: 100px; + animation-timing-function: ease-out; + } + 25% { + top: 50px; + animation-timing-function: ease-in; + } + 50% { + top: 100px; + animation-timing-function: ease-out; + } + 75% { + top: 75px; + animation-timing-function: ease-in; + } + to { + top: 100px; + } +} +@-webkit-keyframes flowouttoleft { + 0% { + -webkit-transform: translateX(0) scale(1); + } + 60%, + 70% { + -webkit-transform: translateX(0) scale(.7); + } + 100% { + -webkit-transform: translateX(-100%) scale(.7); + } +} +div { + animation-name: 'diagonal-slide'; + animation-duration: 5s; + animation-iteration-count: 10; +} +@keyframes 'diagonal-slide' { + from { + left: 0; + top: 0; + } + to { + left: 100px; + top: 100px; + } +} diff --git a/vendor/leafo/lessphp/tests/outputs/math.css b/vendor/leafo/lessphp/tests/outputs/math.css new file mode 100644 index 00000000..8d425f30 --- /dev/null +++ b/vendor/leafo/lessphp/tests/outputs/math.css @@ -0,0 +1,69 @@ +.unary { + sub: 10 -5; +} +.spaces { + sub1: 5; + sub2: 5; + add1: 15; + add2: 15; + div: 2; + mul1: 50; + mul2: 50; +} +.supress-division { + border-radius: 10px/10px; + border-radius: 10px/12px; + border-radius: hello(10px/10px) world; + font: 10px/30 sans-serif; + font: 10px/20px sans-serif; + font: 10px/22px sans-serif; + border-radius: 0 15px 15px 15px/0 50% 50% 50%; +} +.parens { + sub: 5; + add: 15; + div1: 2; + div2: 2; + mul: 50; +} +.keyword-names { + height: "hello" 25; +} +.negation { + neg1: -1px; + neg2: -1px; + neg3: -10; +} +.test { + single1: 5; + single2: 10; + single3: 10; + parens: 10 -2; + math1: 20; + math2: 20; + complex1: 71; + complex2: 6; + complex3: 6px 1em 2px 2; + var1: 8 4 4 4px; + var2: 96; + var3: 12; + complex4: 113; +} +.percents { + p1: 1000%; + p2: 1000%; + p3: 100%; + p4: 1000px; + p5: 1000%; + p6: 30%; + p7: 10%; + p8: 2%; +} +.misc { + x: 40px; + y: 40em; +} +.cond { + c1: false; + c2: true; +} diff --git a/vendor/leafo/lessphp/tests/outputs/media.css b/vendor/leafo/lessphp/tests/outputs/media.css new file mode 100644 index 00000000..99da8c31 --- /dev/null +++ b/vendor/leafo/lessphp/tests/outputs/media.css @@ -0,0 +1,70 @@ +@media screen,3D { + P { + color: green; + } +} +@media print { + body { + font-size: 10pt; + } +} +@media screen { + body { + font-size: 13px; + } +} +@media screen,print { + body { + line-height: 1.2; + } +} +@media all and (min-width: 0px) { + body { + line-height: 1.2; + } +} +@media all and (min-width: 0) { + body { + line-height: 1.2; + } +} +@media screen and (min-width: 102.5em) and (max-width: 117.9375em),screen and (min-width: 150em) { + body { + color: blue; + } +} +@media screen and (min-height: 110px) { + body { + color: red; + } +} +@media screen and (height: 100px) and (width: 110px),(size: 120px) { + body { + color: red; + } +} +@media test { + div { + height: 20px; + } +} +@media test and (hello) { + div { + color: red; + } + div pre { + color: orange; + } +} +@media yeah { + @page { + @media cool { + color: red; + } + } +} +@media (max-width: 599px) { + .helloworld { + color: blue; + } +} diff --git a/vendor/leafo/lessphp/tests/outputs/misc.css b/vendor/leafo/lessphp/tests/outputs/misc.css new file mode 100644 index 00000000..6c99cc39 --- /dev/null +++ b/vendor/leafo/lessphp/tests/outputs/misc.css @@ -0,0 +1,68 @@ +color: "aaa, bbb"; +.topbar { + background: url(/assets/images/test/topbar.png); +} +.hello { + test: empty-function("/assets/images/test/",40%,to(#fff)); +} +.css3 { + background-image: -webkit-gradient(linear,0% 0%,0% 90%,from(#E9A000),to(#A37000)); +} +.test, +.world { + border: 1px solid red; + color: url(http://mage-page.com); + string: "hello /* this is not a comment */"; + world: "// neither is this"; + string: 'hello /* this is not a comment */'; + world: '// neither is this'; + what-ever: 100px; + background: url(/*no comment here*/); +} +.urls { + background1: url("http://google.com"); + background2: url(http://google.com); + background3: url("http://google.com"); +} +.cool { + color: "aaa, bbb"; +} +.span-17 { + float: left; +} +.span-17 { + width: 660px; +} +.x { + float: left; + width: 660px; +} +.hi pre { + color: red; +} +.hi pre { + color: blue; +} +.rad pre { + color: red; +} +.rad pre { + color: blue; +} +hello { + numbers: 1.0 0.1 .1 1.; + numbers: 1.0s 0.1s .1s 1.s; + numbers: -1s -0.1s -0.1s -1s; + numbers: -1 -0.1 -0.1 -1; +} +#string { + hello: 'what\'s going on here'; + hello: 'blah blag @{ blah blah'; + join: "3434hello"; + join: 3434hello; +} +.duplicates { + hello: world; + hello: "world"; + hello: "what"; +} diff --git a/vendor/leafo/lessphp/tests/outputs/mixin_functions.css b/vendor/leafo/lessphp/tests/outputs/mixin_functions.css new file mode 100644 index 00000000..53785803 --- /dev/null +++ b/vendor/leafo/lessphp/tests/outputs/mixin_functions.css @@ -0,0 +1,7 @@ +body { + padding: 2.0em; + color: red; + margin: 10px; + height: 12px; + border-bottom: 1px solid green; +} diff --git a/vendor/leafo/lessphp/tests/outputs/mixin_merging.css b/vendor/leafo/lessphp/tests/outputs/mixin_merging.css new file mode 100644 index 00000000..f396ba92 --- /dev/null +++ b/vendor/leafo/lessphp/tests/outputs/mixin_merging.css @@ -0,0 +1,42 @@ +#test1 div { + color:red; + height:10px; +} +#test1 p { height:10px; } +#test2 b { + color:red; + width:1px; +} +#test2 a, #test2 i { width:1px; } +#test3 a, #test3 i { width:1px; } +#test3 b { + width:1px; + color:red; +} +#test4 a { + color:blue; + margin:1px; +} +#test4 div, #test4 html { color:blue; } +#test5 img, #test5 strong { + padding:2px; + float:right; +} +#test6 div a, #test6 span a { + line-height:10px; + color:red; +} +#test7 div strong { + margin:1px; + color:red; +} +#test7 div b { color:red; } +#test7 span strong, #test7 span b { color:red; } +#test8 a i, #test8 b i { + background:red; + color:red; +} +#test8 a s, #test8 b s { + background:red; + color:blue; +} diff --git a/vendor/leafo/lessphp/tests/outputs/mixins.css b/vendor/leafo/lessphp/tests/outputs/mixins.css new file mode 100644 index 00000000..cce87eb4 --- /dev/null +++ b/vendor/leafo/lessphp/tests/outputs/mixins.css @@ -0,0 +1,92 @@ +.bold { + font-size: 20px; + font-weight: bold; +} +body #window { + border-radius: 10px; + font-size: 20px; + font-weight: bold; + line-height: 30px; +} +#bundle .button { + display: block; + border: 1px solid black; + background-color: grey; +} +#bundle .button:hover { + background-color: white; +} +#header a { + color: orange; + display: block; + border: 1px solid black; + background-color: grey; +} +#header a:hover { + background-color: white; +} +div { + color: blue; + hello: world; +} +div b { + color: blue; +} +body { + color: blue; + hello: world; +} +body b { + color: blue; +} +.hello .world { + color: blue; +} +.foobar { + color: blue; +} +.eggs { + foo: 1px 2px; + bar: 1px 2px; + foo: 100 land; + bar: 100 land; +} +#hello { + cool: one two three cool; +} +#hello-important { + cool: one two three cool !important; +} +#world { + cool: "world"; +} +#another { + things: red blue green; + things: red blue green skip me; +} +#day .cool { + color: one two three; +} +#day .cool { + color: one two three skip me; +} +.mix-suffix { + color: red !important; + height: 20px !important; +} +.mix-suffix pre { + color: red; +} +.search-test { + color: #f00 !important; + color: #0f0 !important; +} +.cowboy { + color: blue; +} +.nav .nav-divider { + padding: 10px; +} +.nav-divider { + padding: 10px; +} diff --git a/vendor/leafo/lessphp/tests/outputs/nested.css b/vendor/leafo/lessphp/tests/outputs/nested.css new file mode 100644 index 00000000..454dcfcc --- /dev/null +++ b/vendor/leafo/lessphp/tests/outputs/nested.css @@ -0,0 +1,51 @@ +#header { + color: black; +} +#header .navigation { + font-size: 12px; +} +#header .navigation .border .outside { + color: blue; +} +#header .logo { + width: 300px; +} +#header .logo:hover { + text-decoration: none; +} +a b ul li { + color: green; +} +div .cool { + color: green; +} +p .cool span { + color: yellow; +} +div another { + color: green; +} +p another span { + color: yellow; +} +b .something { + color: blue; +} +b.something { + color: blue; +} +.foo .bar .qux, +.foo .baz .qux { + display: block; +} +.qux .foo .bar, +.qux .foo .baz { + display: inline; +} +.qux .foo .bar .biz, +.qux .foo .baz .biz { + display: none; +} +b hello [x="&yeah"] { + color: red; +} diff --git a/vendor/leafo/lessphp/tests/outputs/nesting.css b/vendor/leafo/lessphp/tests/outputs/nesting.css new file mode 100644 index 00000000..804a56bf --- /dev/null +++ b/vendor/leafo/lessphp/tests/outputs/nesting.css @@ -0,0 +1,6 @@ +#header .navigation .border .outside { color:blue; } +#header .navigation { font-size:12px; } +#header .logo:hover { text-decoration:none; } +#header .logo { width:300px; } +#header { color:black; } +a b ul li { color:green; } diff --git a/vendor/leafo/lessphp/tests/outputs/pattern_matching.css b/vendor/leafo/lessphp/tests/outputs/pattern_matching.css new file mode 100644 index 00000000..215371b0 --- /dev/null +++ b/vendor/leafo/lessphp/tests/outputs/pattern_matching.css @@ -0,0 +1,72 @@ +.class { + color: #a2a2a2; + display: block; +} +.zero { + zero: 0; + one: 1; + two: 2; + three: 3; +} +.one { + one: 1; + one-req: 1; + two: 2; + three: 3; +} +.two { + two: 2; + three: 3; +} +.three { + three-req: 3; + three: 3; +} +.left { + left: 1; +} +.right { + right: 1; +} +.border-right { + color: black; + border-right: 4px; +} +.border-left { + color: black; + border-left: 4px; +} +.only-right { + right: 33; +} +.only-left { + left: 33; +} +.left-right { + both: 330; +} +#hola { + color: blue; +} +#defaults_1 { + height: one; + height: two; + height: three; + height: four; +} +.thing { + color: red; +} +#aa { + color: green; + color: blue; + color: red; +} +#bb { + color: green; + color: blue; + color: red; +} +#cc { + color: blue; +} diff --git a/vendor/leafo/lessphp/tests/outputs/scopes.css b/vendor/leafo/lessphp/tests/outputs/scopes.css new file mode 100644 index 00000000..ea2a4573 --- /dev/null +++ b/vendor/leafo/lessphp/tests/outputs/scopes.css @@ -0,0 +1,11 @@ +body div other world { + height: 50; +} +div other world { + height: 50; +} +pre { + height: 10; + height: 11; + height: 12; +} diff --git a/vendor/leafo/lessphp/tests/outputs/selector_expressions.css b/vendor/leafo/lessphp/tests/outputs/selector_expressions.css new file mode 100644 index 00000000..71d4a5d8 --- /dev/null +++ b/vendor/leafo/lessphp/tests/outputs/selector_expressions.css @@ -0,0 +1,25 @@ +something blue, +world { + color: blue; +} +.div (3434) { + height: 100px; +} +.div cool red { + height: 4000px; +} +.span5 { + color: 15; +} +.span4 { + color: 14; +} +.span3 { + color: 13; +} +.span2 { + color: 12; +} +.span1 { + color: 11; +} diff --git a/vendor/leafo/lessphp/tests/outputs/site_demos.css b/vendor/leafo/lessphp/tests/outputs/site_demos.css new file mode 100644 index 00000000..3428ad3a --- /dev/null +++ b/vendor/leafo/lessphp/tests/outputs/site_demos.css @@ -0,0 +1,76 @@ +default .underline { + border-bottom: 1px solid green; +} +default #header { + color: black; + border: 1px solid #dd44dd; +} +default #header .navigation { + font-size: 12px; +} +default #header .navigation a { + border-bottom: 1px solid green; +} +default #header .logo { + width: 300px; +} +default #header .logo:hover { + text-decoration: none; +} +variables .variables { + width: 14cm; + height: 24px; + color: #888; + background: #6c94be; + font-family: "Trebuchet MS", Verdana, sans-serif; +} +mixins .bordered { + border-top: dotted 1px black; + border-bottom: solid 2px black; +} +mixins #menu a { + color: #111; + border-top: dotted 1px black; + border-bottom: solid 2px black; +} +mixins .post a { + color: red; + border-top: dotted 1px black; + border-bottom: solid 2px black; +} +nested-rules #header { + color: black; +} +nested-rules #header .navigation { + font-size: 12px; +} +nested-rules #header .logo { + width: 300px; +} +nested-rules #header .logo:hover { + text-decoration: none; +} +namespaces #bundle .button { + display: block; + border: 1px solid black; + background-color: grey; +} +namespaces #bundle .button:hover { + background-color: white; +} +namespaces #header a { + color: orange; + display: block; + border: 1px solid black; + background-color: grey; +} +namespaces #header a:hover { + background-color: white; +} +mixin-functions body { + padding: 2.0em; + color: red; + margin: 10px; + height: 12px; + border-bottom: 1px solid green; +} diff --git a/vendor/leafo/lessphp/tests/outputs/variables.css b/vendor/leafo/lessphp/tests/outputs/variables.css new file mode 100644 index 00000000..c4857cc6 --- /dev/null +++ b/vendor/leafo/lessphp/tests/outputs/variables.css @@ -0,0 +1,19 @@ +outer1: 44px; +outer2: 44px; +.variables { + width: 14cm; + height: 24px; + margin-top: -20px; + margin-bottom: 30px; + color: #888899; + background: #6c94be; + font-family: "Trebuchet MS", Verdana, sans-serif; + margin: 3px; + font: 10px/12px serif; + font: 120%/120% serif; +} +.external { + color: #888; + border: 1px solid #3326cc; + background: rgba(23,68,149,0.5); +} diff --git a/vendor/leafo/lessphp/tests/outputs_lessjs/mixins-args.css b/vendor/leafo/lessphp/tests/outputs_lessjs/mixins-args.css new file mode 100644 index 00000000..0a8e6bee --- /dev/null +++ b/vendor/leafo/lessphp/tests/outputs_lessjs/mixins-args.css @@ -0,0 +1,113 @@ +#hidden { + color: transparent; +} +#hidden1 { + color: transparent; +} +.two-args { + color: blue; + width: 10px; + height: 99%; + border: 2px dotted black; +} +.one-arg { + width: 15px; + height: 49%; +} +.no-parens { + width: 5px; + height: 49%; +} +.no-args { + width: 5px; + height: 49%; +} +.var-args { + width: 45; + height: 17%; +} +.multi-mix { + width: 10px; + height: 29%; + margin: 4; + padding: 5; +} +body { + padding: 30px; + color: #f00; +} +.scope-mix { + width: 8; +} +.content { + width: 600px; +} +.content .column { + margin: 600px; +} +#same-var-name { + radius: 5px; +} +#var-inside { + width: 10px; +} +.arguments { + border: 1px solid black; + width: 1px; +} +.arguments2 { + border: 0px; + width: 0px; +} +.arguments3 { + border: 0px; + width: 0px; +} +.arguments4 { + border: 0 1 2 3 4; + rest: 1 2 3 4; + width: 0; +} +.edge-case { + border: "{"; + width: "{"; +} +.slash-vs-math { + border-radius: 0.4px; + border-radius: 0.5px; + border-radius: 6px; +} +.comma-vs-semi-colon { + one: a; + two: b, c; + one: d, e; + two: f; + one: g; + one: h; + one: i; + one: j; + one: k; + two: l; + one: m, n; + one: o, p; + two: q; + one: r, s; + two: t; +} +#named-conflict { + four: a, 11, 12, 13; + four: a, 21, 22, 23; +} +.test-mixin-default-arg { + defaults: 1px 1px 1px; + defaults: 2px 2px 2px; +} +.selector { + margin: 2, 2, 2, 2; +} +.selector2 { + margin: 2, 2, 2, 2; +} +.selector3 { + margin: 4; +} diff --git a/vendor/leafo/lessphp/tests/outputs_lessjs/mixins-named-args.css b/vendor/leafo/lessphp/tests/outputs_lessjs/mixins-named-args.css new file mode 100644 index 00000000..e460aa10 --- /dev/null +++ b/vendor/leafo/lessphp/tests/outputs_lessjs/mixins-named-args.css @@ -0,0 +1,27 @@ +.named-arg { + color: blue; + width: 5px; + height: 99%; + args: 1px 100%; + text-align: center; +} +.class { + width: 5px; + height: 19%; + args: 1px 20%; +} +.all-args-wrong-args { + width: 10px; + height: 9%; + args: 2px 10%; +} +.named-args2 { + width: 15px; + height: 49%; + color: #646464; +} +.named-args3 { + width: 5px; + height: 29%; + color: #123456; +} diff --git a/vendor/leafo/lessphp/tests/outputs_lessjs/strings.css b/vendor/leafo/lessphp/tests/outputs_lessjs/strings.css new file mode 100644 index 00000000..f7b9c27d --- /dev/null +++ b/vendor/leafo/lessphp/tests/outputs_lessjs/strings.css @@ -0,0 +1,40 @@ +#strings { + background-image: url("http://son-of-a-banana.com"); + quotes: "~" "~"; + content: "#*%:&^,)!.(~*})"; + empty: ""; + brackets: "{" "}"; + escapes: "\"hello\" \\world"; + escapes2: "\"llo"; +} +#comments { + content: "/* hello */ // not-so-secret"; +} +#single-quote { + quotes: "'" "'"; + content: '""#!&""'; + empty: ''; + semi-colon: ';'; +} +#escaped { + filter: DX.Transform.MS.BS.filter(opacity=50); +} +#one-line { + image: url(http://tooks.com); +} +#crazy { + image: url(http://), "}", url("http://}"); +} +#interpolation { + url: "http://lesscss.org/dev/image.jpg"; + url2: "http://lesscss.org/image-256.jpg"; + url3: "http://lesscss.org#445566"; + url4: "http://lesscss.org/hello"; + url5: "http://lesscss.org/54.4px"; +} +.mix-mul-class { + color: blue; + color: red; + color: black; + color: orange; +} diff --git a/vendor/leafo/lessphp/tests/sort.php b/vendor/leafo/lessphp/tests/sort.php new file mode 100644 index 00000000..70b907ea --- /dev/null +++ b/vendor/leafo/lessphp/tests/sort.php @@ -0,0 +1,57 @@ +coerceColor($value); + } + + return parent::compileValue($value); + } +} + +class SortingFormatter extends lessc_formatter_lessjs { + function sortKey($block) { + if (!isset($block->sortKey)) { + sort($block->selectors, SORT_STRING); + $block->sortKey = implode(",", $block->selectors); + } + + return $block->sortKey; + } + + function sortBlock($block) { + usort($block->children, function($a, $b) { + $sort = strcmp($this->sortKey($a), $this->sortKey($b)); + if ($sort == 0) { + // TODO + } + return $sort; + }); + + } + + function block($block) { + $this->sortBlock($block); + return parent::block($block); + } + +} + +$less = new lesscNormalized(); +$less->setFormatter(new SortingFormatter); +echo $less->parse(file_get_contents($fname)); + -- cgit v1.2.3-54-g00ecf