MediaWiki XML Schema

mediawiki.xsd

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<!--

	This is an XML Schema description of the format
	output by MediaWiki's Special:Export system.

	Version 0.2 adds optional basic file upload info support,
	which is used by our OAI export/import submodule.

	Version 0.3 adds some site configuration information such
	as a list of defined namespaces.

	Version 0.4 adds per-revision delete flags, log exports,
	discussion threading data, a per-page redirect flag, and
	per-namespace capitalization.

	Version 0.5 adds byte count per revision.

	Version 0.6 adds a separate namespace tag, and resolves the
	redirect target and adds a separate sha1 tag for each revision.

	Version 0.7 adds a unique identity constraint for both page and
	revision identifiers. See also bug 4220.
	Fix type for <ns> from "positiveInteger" to "nonNegativeInteger" to allow 0
	Moves <logitem> to its right location.
	Add parentid to revision.

	The canonical URL to the schema document is:
	http://www.mediawiki.org/xml/export-0.7.xsd

	Use the namespace:
	http://www.mediawiki.org/xml/export-0.7/
-->
<schema xmlns="http://www.w3.org/2001/XMLSchema" xmlns:mw="http://www.mediawiki.org/xml/export-0.7/" targetNamespace="http://www.mediawiki.org/xml/export-0.7/" elementFormDefault="qualified">
<annotation>
<documentation xml:lang="en">MediaWiki's page export format</documentation>
</annotation>
<!--  Need this to reference xml:lang  -->
<import namespace="http://www.w3.org/XML/1998/namespace" schemaLocation="http://www.w3.org/2001/xml.xsd"/>
<!--  Our root element  -->
<element name="mediawiki" type="mw:MediaWikiType">
<!--  Page ID contraint, see bug 4220  -->
<unique name="PageIDConstraint">
<selector xpath="mw:page"/>
<field xpath="mw:id"/>
</unique>
<!--  Revision ID contraint, see bug 4220  -->
<unique name="RevIDConstraint">
<selector xpath="mw:page/mw:revision"/>
<field xpath="mw:id"/>
</unique>
</element>
<complexType name="MediaWikiType">
<sequence>
<element name="siteinfo" type="mw:SiteInfoType" minOccurs="0" maxOccurs="1"/>
<element name="page" type="mw:PageType" minOccurs="0" maxOccurs="unbounded"/>
<element name="logitem" type="mw:LogItemType" minOccurs="0" maxOccurs="unbounded"/>
</sequence>
<attribute name="version" type="string" use="required"/>
<attribute ref="xml:lang" use="required"/>
</complexType>
<complexType name="SiteInfoType">
<sequence>
<element name="sitename" type="string" minOccurs="0"/>
<element name="base" type="anyURI" minOccurs="0"/>
<element name="generator" type="string" minOccurs="0"/>
<element name="case" type="mw:CaseType" minOccurs="0"/>
<element name="namespaces" type="mw:NamespacesType" minOccurs="0"/>
</sequence>
</complexType>
<simpleType name="CaseType">
<restriction base="NMTOKEN">
<!--
 Cannot have two titles differing only by case of first letter. 
-->
<!--
 Default behavior through 1.5, $wgCapitalLinks = true 
-->
<enumeration value="first-letter"/>
<!--  Complete title is case-sensitive  -->
<!--  Behavior when $wgCapitalLinks = false  -->
<enumeration value="case-sensitive"/>
<!--
 Cannot have non-case senstitive titles eg [[FOO]] == [[Foo]] 
-->
<!--  Not yet implemented as of MediaWiki 1.18  -->
<enumeration value="case-insensitive"/>
</restriction>
</simpleType>
<simpleType name="DeletedFlagType">
<restriction base="NMTOKEN">
<enumeration value="deleted"/>
</restriction>
</simpleType>
<complexType name="NamespacesType">
<sequence>
<element name="namespace" type="mw:NamespaceType" minOccurs="0" maxOccurs="unbounded"/>
</sequence>
</complexType>
<complexType name="NamespaceType">
<simpleContent>
<extension base="string">
<attribute name="key" type="integer"/>
<attribute name="case" type="mw:CaseType"/>
</extension>
</simpleContent>
</complexType>
<complexType name="RedirectType">
<simpleContent>
<extension base="string">
<attribute name="title" type="string"/>
</extension>
</simpleContent>
</complexType>
<complexType name="PageType">
<sequence>
<!--
 Title in text form. (Using spaces, not underscores; with namespace ) 
-->
<element name="title" type="string"/>
<!--  Namespace in canonical form  -->
<element name="ns" type="nonNegativeInteger"/>
<!--  optional page ID number  -->
<element name="id" type="positiveInteger"/>
<!--  flag if the current revision is a redirect  -->
<element name="redirect" type="mw:RedirectType" minOccurs="0" maxOccurs="1"/>
<!--  comma-separated list of string tokens, if present  -->
<element name="restrictions" type="string" minOccurs="0"/>
<!--  Zero or more sets of revision or upload data  -->
<choice minOccurs="0" maxOccurs="unbounded">
<element name="revision" type="mw:RevisionType"/>
<element name="upload" type="mw:UploadType"/>
</choice>
<!--  Zero or One sets of discussion threading data  -->
<element name="discussionthreadinginfo" minOccurs="0" maxOccurs="1" type="mw:DiscussionThreadingInfo"/>
</sequence>
</complexType>
<complexType name="RevisionType">
<sequence>
<element name="id" type="positiveInteger"/>
<element name="parentid" type="positiveInteger" minOccurs="0"/>
<element name="timestamp" type="dateTime"/>
<element name="contributor" type="mw:ContributorType"/>
<element name="minor" minOccurs="0" maxOccurs="1"/>
<element name="comment" type="mw:CommentType" minOccurs="0" maxOccurs="1"/>
<element name="sha1" type="string"/>
<element name="text" type="mw:TextType"/>
</sequence>
</complexType>
<complexType name="LogItemType">
<sequence>
<element name="id" type="positiveInteger"/>
<element name="timestamp" type="dateTime"/>
<element name="contributor" type="mw:ContributorType"/>
<element name="comment" type="mw:CommentType" minOccurs="0"/>
<element name="type" type="string"/>
<element name="action" type="string"/>
<element name="text" type="mw:LogTextType" minOccurs="0" maxOccurs="1"/>
<element name="logtitle" type="string" minOccurs="0" maxOccurs="1"/>
<element name="params" type="mw:LogParamsType" minOccurs="0" maxOccurs="1"/>
</sequence>
</complexType>
<complexType name="CommentType">
<simpleContent>
<extension base="string">
<!--
 This allows deleted=deleted on non-empty elements, but XSD is not omnipotent 
-->
<attribute name="deleted" use="optional" type="mw:DeletedFlagType"/>
</extension>
</simpleContent>
</complexType>
<complexType name="TextType">
<simpleContent>
<extension base="string">
<attribute ref="xml:space" use="optional" default="preserve"/>
<!--
 This allows deleted=deleted on non-empty elements, but XSD is not omnipotent 
-->
<attribute name="deleted" use="optional" type="mw:DeletedFlagType"/>
<!--
 This isn't a good idea; we should be using "ID" instead of "NMTOKEN" 
-->
<!--
 However, "NMTOKEN" is strictest definition that is both compatible with existing 
-->
<!--  usage ([0-9]+) and with the "ID" type.  -->
<attribute name="id" type="NMTOKEN"/>
<attribute name="bytes" use="optional" type="nonNegativeInteger"/>
</extension>
</simpleContent>
</complexType>
<complexType name="LogTextType">
<simpleContent>
<extension base="string">
<!--
 This allows deleted=deleted on non-empty elements, but XSD is not omnipotent 
-->
<attribute name="deleted" use="optional" type="mw:DeletedFlagType"/>
</extension>
</simpleContent>
</complexType>
<complexType name="LogParamsType">
<simpleContent>
<extension base="string">
<attribute ref="xml:space" use="optional" default="preserve"/>
</extension>
</simpleContent>
</complexType>
<complexType name="ContributorType">
<sequence>
<element name="username" type="string" minOccurs="0"/>
<element name="id" type="positiveInteger" minOccurs="0"/>
<element name="ip" type="string" minOccurs="0"/>
</sequence>
<!--
 This allows deleted=deleted on non-empty elements, but XSD is not omnipotent 
-->
<attribute name="deleted" use="optional" type="mw:DeletedFlagType"/>
</complexType>
<complexType name="UploadType">
<sequence>
<!--  Revision-style data...  -->
<element name="timestamp" type="dateTime"/>
<element name="contributor" type="mw:ContributorType"/>
<element name="comment" type="string" minOccurs="0"/>
<!--
 Filename. (Using underscores, not spaces. No 'File:' namespace marker.) 
-->
<element name="filename" type="string"/>
<!--  URI at which this resource can be obtained  -->
<element name="src" type="anyURI"/>
<element name="size" type="positiveInteger"/>
<!--  TODO: add other metadata fields  -->
</sequence>
</complexType>
<!--  Discussion threading data for LiquidThreads  -->
<complexType name="DiscussionThreadingInfo">
<sequence>
<element name="ThreadSubject" type="string"/>
<element name="ThreadParent" type="positiveInteger"/>
<element name="ThreadAncestor" type="positiveInteger"/>
<element name="ThreadPage" type="string"/>
<element name="ThreadID" type="positiveInteger"/>
<element name="ThreadAuthor" type="string"/>
<element name="ThreadEditStatus" type="string"/>
<element name="ThreadType" type="string"/>
</sequence>
</complexType>
</schema>