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Diffstat (limited to 'plugins/FeedSub/extlib/XML/Feed/schemas/atom.rnc')
| -rwxr-xr-x | plugins/FeedSub/extlib/XML/Feed/schemas/atom.rnc | 338 |
1 files changed, 338 insertions, 0 deletions
diff --git a/plugins/FeedSub/extlib/XML/Feed/schemas/atom.rnc b/plugins/FeedSub/extlib/XML/Feed/schemas/atom.rnc new file mode 100755 index 000000000..e662d2626 --- /dev/null +++ b/plugins/FeedSub/extlib/XML/Feed/schemas/atom.rnc @@ -0,0 +1,338 @@ +# -*- rnc -*- +# RELAX NG Compact Syntax Grammar for the +# Atom Format Specification Version 11 + +namespace atom = "http://www.w3.org/2005/Atom" +namespace xhtml = "http://www.w3.org/1999/xhtml" +namespace s = "http://www.ascc.net/xml/schematron" +namespace local = "" + +start = atomFeed | atomEntry + +# Common attributes + +atomCommonAttributes = + attribute xml:base { atomUri }?, + attribute xml:lang { atomLanguageTag }?, + undefinedAttribute* + +# Text Constructs + +atomPlainTextConstruct = + atomCommonAttributes, + attribute type { "text" | "html" }?, + text + +atomXHTMLTextConstruct = + atomCommonAttributes, + attribute type { "xhtml" }, + xhtmlDiv + +atomTextConstruct = atomPlainTextConstruct | atomXHTMLTextConstruct + +# Person Construct + +atomPersonConstruct = + atomCommonAttributes, + (element atom:name { text } + & element atom:uri { atomUri }? + & element atom:email { atomEmailAddress }? + & extensionElement*) + +# Date Construct + +atomDateConstruct = + atomCommonAttributes, + xsd:dateTime + +# atom:feed + +atomFeed = + [ + s:rule [ + context = "atom:feed" + s:assert [ + test = "atom:author or not(atom:entry[not(atom:author)])" + "An atom:feed must have an atom:author unless all " + ~ "of its atom:entry children have an atom:author." + ] + ] + ] + element atom:feed { + atomCommonAttributes, + (atomAuthor* + & atomCategory* + & atomContributor* + & atomGenerator? + & atomIcon? + & atomId + & atomLink* + & atomLogo? + & atomRights? + & atomSubtitle? + & atomTitle + & atomUpdated + & extensionElement*), + atomEntry* + } + +# atom:entry + +atomEntry = + [ + s:rule [ + context = "atom:entry" + s:assert [ + test = "atom:link[@rel='alternate'] " + ~ "or atom:link[not(@rel)] " + ~ "or atom:content" + "An atom:entry must have at least one atom:link element " + ~ "with a rel attribute of 'alternate' " + ~ "or an atom:content." + ] + ] + s:rule [ + context = "atom:entry" + s:assert [ + test = "atom:author or " + ~ "../atom:author or atom:source/atom:author" + "An atom:entry must have an atom:author " + ~ "if its feed does not." + ] + ] + ] + element atom:entry { + atomCommonAttributes, + (atomAuthor* + & atomCategory* + & atomContent? + & atomContributor* + & atomId + & atomLink* + & atomPublished? + & atomRights? + & atomSource? + & atomSummary? + & atomTitle + & atomUpdated + & extensionElement*) + } + +# atom:content + +atomInlineTextContent = + element atom:content { + atomCommonAttributes, + attribute type { "text" | "html" }?, + (text)* + } + +atomInlineXHTMLContent = + element atom:content { + atomCommonAttributes, + attribute type { "xhtml" }, + xhtmlDiv + } + +atomInlineOtherContent = + element atom:content { + atomCommonAttributes, + attribute type { atomMediaType }?, + (text|anyElement)* + } + +atomOutOfLineContent = + element atom:content { + atomCommonAttributes, + attribute type { atomMediaType }?, + attribute src { atomUri }, + empty + } + +atomContent = atomInlineTextContent + | atomInlineXHTMLContent + | atomInlineOtherContent + | atomOutOfLineContent + +# atom:author + +atomAuthor = element atom:author { atomPersonConstruct } + +# atom:category + +atomCategory = + element atom:category { + atomCommonAttributes, + attribute term { text }, + attribute scheme { atomUri }?, + attribute label { text }?, + undefinedContent + } + +# atom:contributor + +atomContributor = element atom:contributor { atomPersonConstruct } + +# atom:generator + +atomGenerator = element atom:generator { + atomCommonAttributes, + attribute uri { atomUri }?, + attribute version { text }?, + text +} + +# atom:icon + +atomIcon = element atom:icon { + atomCommonAttributes, + (atomUri) +} + +# atom:id + +atomId = element atom:id { + atomCommonAttributes, + (atomUri) +} + +# atom:logo + +atomLogo = element atom:logo { + atomCommonAttributes, + (atomUri) +} + +# atom:link + +atomLink = + element atom:link { + atomCommonAttributes, + attribute href { atomUri }, + attribute rel { atomNCName | atomUri }?, + attribute type { atomMediaType }?, + attribute hreflang { atomLanguageTag }?, + attribute title { text }?, + attribute length { text }?, + undefinedContent + } + +# atom:published + +atomPublished = element atom:published { atomDateConstruct } + +# atom:rights + +atomRights = element atom:rights { atomTextConstruct } + +# atom:source + +atomSource = + element atom:source { + atomCommonAttributes, + (atomAuthor* + & atomCategory* + & atomContributor* + & atomGenerator? + & atomIcon? + & atomId? + & atomLink* + & atomLogo? + & atomRights? + & atomSubtitle? + & atomTitle? + & atomUpdated? + & extensionElement*) + } + +# atom:subtitle + +atomSubtitle = element atom:subtitle { atomTextConstruct } + +# atom:summary + +atomSummary = element atom:summary { atomTextConstruct } + +# atom:title + +atomTitle = element atom:title { atomTextConstruct } + +# atom:updated + +atomUpdated = element atom:updated { atomDateConstruct } + +# Low-level simple types + +atomNCName = xsd:string { minLength = "1" pattern = "[^:]*" } + +# Whatever a media type is, it contains at least one slash +atomMediaType = xsd:string { pattern = ".+/.+" } + +# As defined in RFC 3066 +atomLanguageTag = xsd:string { + pattern = "[A-Za-z]{1,8}(-[A-Za-z0-9]{1,8})*" +} + +# Unconstrained; it's not entirely clear how IRI fit into +# xsd:anyURI so let's not try to constrain it here +atomUri = text + +# Whatever an email address is, it contains at least one @ +atomEmailAddress = xsd:string { pattern = ".+@.+" } + +# Simple Extension + +simpleExtensionElement = + element * - atom:* { + text + } + +# Structured Extension + +structuredExtensionElement = + element * - atom:* { + (attribute * { text }+, + (text|anyElement)*) + | (attribute * { text }*, + (text?, anyElement+, (text|anyElement)*)) + } + +# Other Extensibility + +extensionElement = + simpleExtensionElement | structuredExtensionElement + +undefinedAttribute = + attribute * - (xml:base | xml:lang | local:*) { text } + +undefinedContent = (text|anyForeignElement)* + +anyElement = + element * { + (attribute * { text } + | text + | anyElement)* + } + +anyForeignElement = + element * - atom:* { + (attribute * { text } + | text + | anyElement)* + } + +# XHTML + +anyXHTML = element xhtml:* { + (attribute * { text } + | text + | anyXHTML)* +} + +xhtmlDiv = element xhtml:div { + (attribute * { text } + | text + | anyXHTML)* +} + +# EOF
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