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<?php
/**
* StatusNet, the distributed open-source microblogging tool
*
* Utilities for theme files and paths
*
* PHP version 5
*
* LICENCE: This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @category Paths
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @author Sarven Capadisli <csarven@status.net>
* @copyright 2008-2009 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
*/
if (!defined('STATUSNET') && !defined('LACONICA')) {
exit(1);
}
/**
* Class for querying and manipulating a theme
*
* Themes are directories with some expected sub-directories and files
* in them. They're found in either local/theme (for locally-installed themes)
* or theme/ subdir of installation dir.
*
* This used to be a couple of functions, but for various reasons it's nice
* to have a class instead.
*
* @category Output
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
*/
class Theme
{
var $dir = null;
var $path = null;
/**
* Constructor
*
* Determines the proper directory and path for this theme.
*
* @param string $name Name of the theme; defaults to config value
*/
function __construct($name=null)
{
if (empty($name)) {
$name = common_config('site', 'theme');
}
// Check to see if it's in the local dir
$localroot = Theme::localRoot();
$fulldir = $localroot.'/'.$name;
if (file_exists($fulldir) && is_dir($fulldir)) {
$this->dir = $fulldir;
$this->path = common_path('local/theme/'.$name.'/');
return;
}
// Check to see if it's in the distribution dir
$instroot = Theme::installRoot();
$fulldir = $instroot.'/'.$name;
if (file_exists($fulldir) && is_dir($fulldir)) {
$this->dir = $fulldir;
$path = common_config('theme', 'path');
if (empty($path)) {
$path = common_config('site', 'path') . '/theme/';
}
if ($path[strlen($path)-1] != '/') {
$path .= '/';
}
if ($path[0] != '/') {
$path = '/'.$path;
}
$server = common_config('theme', 'server');
if (empty($server)) {
$server = common_config('site', 'server');
}
// XXX: protocol
$this->path = 'http://'.$server.$path.$name;
}
}
/**
* Gets the full local filename of a file in this theme.
*
* @param string $relative relative name, like 'logo.png'
*
* @return string full pathname, like /var/www/mublog/theme/default/logo.png
*/
function getFile($relative)
{
return $this->dir.'/'.$relative;
}
/**
* Gets the full HTTP url of a file in this theme
*
* @param string $relative relative name, like 'logo.png'
*
* @return string full URL, like 'http://example.com/theme/default/logo.png'
*/
function getPath($relative)
{
return $this->path.'/'.$relative;
}
/**
* Gets the full path of a file in a theme dir based on its relative name
*
* @param string $relative relative path within the theme directory
* @param string $name name of the theme; defaults to current theme
*
* @return string File path to the theme file
*/
static function file($relative, $name=null)
{
$theme = new Theme($name);
return $theme->getFile($relative);
}
/**
* Gets the full URL of a file in a theme dir based on its relative name
*
* @param string $relative relative path within the theme directory
* @param string $name name of the theme; defaults to current theme
*
* @return string URL of the file
*/
static function path($relative, $name=null)
{
$theme = new Theme($name);
return $theme->getPath($relative);
}
/**
* Local root dir for themes
*
* @return string local root dir for themes
*/
protected static function localRoot()
{
return INSTALLDIR.'/local/theme';
}
/**
* Root dir for themes that are shipped with StatusNet
*
* @return string root dir for StatusNet themes
*/
protected static function installRoot()
{
$instroot = common_config('theme', 'dir');
if (empty($instroot)) {
$instroot = INSTALLDIR.'/theme';
}
return $instroot;
}
}
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