1<?xml version="1.0" encoding="UTF-8" ?>
2<!--
3	This is an XML Schema description of the format
4	output by MediaWiki's Special:Export system.
5
6	Version 0.2 adds optional basic file upload info support,
7	which is used by our OAI export/import submodule.
8
9	Version 0.3 adds some site configuration information such
10	as a list of defined namespaces.
11
12	Version 0.4 adds per-revision delete flags, log exports,
13	discussion threading data, a per-page redirect flag, and
14	per-namespace capitalization.
15
16	The canonical URL to the schema document is:
17	http://www.mediawiki.org/xml/export-0.5.xsd
18
19	Use the namespace:
20	http://www.mediawiki.org/xml/export-0.5/
21-->
22<schema xmlns="http://www.w3.org/2001/XMLSchema"
23        xmlns:mw="http://www.mediawiki.org/xml/export-0.5/"
24        targetNamespace="http://www.mediawiki.org/xml/export-0.5/"
25        elementFormDefault="qualified">
26
27	<annotation>
28		<documentation xml:lang="en">
29			MediaWiki's page export format
30		</documentation>
31	</annotation>
32
33	<!-- Need this to reference xml:lang -->
34	<import namespace="http://www.w3.org/XML/1998/namespace"
35		schemaLocation="http://www.w3.org/2001/xml.xsd"/>
36
37	<!-- Our root element -->
38	<element name="mediawiki" type="mw:MediaWikiType"/>
39
40	<complexType name="MediaWikiType">
41		<sequence>
42			<element name="siteinfo" type="mw:SiteInfoType"
43				minOccurs="0" maxOccurs="1"/>
44			<element name="page" type="mw:PageType"
45				minOccurs="0" maxOccurs="unbounded"/>
46		</sequence>
47		<attribute name="version" type="string" use="required"/>
48		<attribute ref="xml:lang" use="required"/>
49	</complexType>
50
51	<complexType name="SiteInfoType">
52		<sequence>
53			<element name="sitename" type="string" minOccurs="0" />
54			<element name="base" type="anyURI" minOccurs="0" />
55			<element name="generator" type="string" minOccurs="0" />
56			<element name="case" type="mw:CaseType" minOccurs="0" />
57			<element name="namespaces" type="mw:NamespacesType" minOccurs="0" />
58		</sequence>
59	</complexType>
60
61	<simpleType name="CaseType">
62		<restriction base="NMTOKEN">
63			<!-- Cannot have two titles differing only by case of first letter. -->
64			<!-- Default behavior through 1.5, $wgCapitalLinks = true -->
65			<enumeration value="first-letter" />
66
67			<!-- Complete title is case-sensitive -->
68			<!-- Behavior when $wgCapitalLinks = false -->
69			<enumeration value="case-sensitive" />
70
71			<!-- Cannot have non-case senstitive titles eg [[FOO]] == [[Foo]] -->
72			<!-- Not yet implemented as of MediaWiki 1.18 -->
73			<enumeration value="case-insensitive" />
74		</restriction>
75	</simpleType>
76
77	<simpleType name="DeletedFlagType">
78		<restriction base="NMTOKEN">
79			<enumeration value="deleted"/>
80		</restriction>
81	</simpleType>
82
83	<complexType name="NamespacesType">
84		<sequence>
85			<element name="namespace" type="mw:NamespaceType"
86				minOccurs="0" maxOccurs="unbounded" />
87		</sequence>
88	</complexType>
89
90	<complexType name="NamespaceType">
91		<simpleContent>
92			<extension base="string">
93				<attribute name="key" type="integer" />
94				<attribute name="case" type="mw:CaseType" />
95			</extension>
96		</simpleContent>
97	</complexType>
98
99	<complexType name="PageType">
100		<sequence>
101			<!-- Title in text form. (Using spaces, not underscores; with namespace ) -->
102			<element name="title" type="string"/>
103
104			<!-- optional page ID number -->
105			<element name="id" type="positiveInteger" minOccurs="0"/>
106
107			<!-- flag if the current revision is a redirect -->
108			<element name="redirect" minOccurs="0"/>
109
110			<!-- comma-separated list of string tokens, if present -->
111			<element name="restrictions" type="string" minOccurs="0"/>
112
113			<!-- Zero or more sets of revision or upload data -->
114			<choice minOccurs="0" maxOccurs="unbounded">
115				<element name="revision" type="mw:RevisionType" />
116				<element name="upload" type="mw:UploadType" />
117				<element name="logitem" type="mw:LogItemType" />
118			</choice>
119
120			<!-- Zero or One sets of discussion threading data -->
121			<element name="discussionthreadinginfo" minOccurs="0" maxOccurs="1" type="mw:DiscussionThreadingInfo" />
122		</sequence>
123	</complexType>
124
125	<complexType name="RevisionType">
126		<sequence>
127			<element name="id" type="positiveInteger" minOccurs="0"/>
128			<element name="timestamp" type="dateTime"/>
129			<element name="contributor" type="mw:ContributorType"/>
130			<element name="minor" minOccurs="0" />
131			<element name="comment" type="mw:CommentType" minOccurs="0"/>
132			<element name="text" type="mw:TextType" />
133		</sequence>
134	</complexType>
135
136	<complexType name="LogItemType">
137		<sequence>
138			<element name="id" type="positiveInteger" minOccurs="0"/>
139			<element name="timestamp" type="dateTime"/>
140			<element name="contributor" type="mw:ContributorType"/>
141			<element name="comment" type="mw:CommentType" minOccurs="0"/>
142			<element name="type" type="string" />
143			<element name="action" type="string" />
144			<element name="text" type="mw:TextType" />
145		</sequence>
146	</complexType>
147
148	<complexType name="CommentType">
149		<simpleContent>
150			<extension base="string">
151				<!-- This allows deleted=deleted on non-empty elements, but XSD is not omnipotent -->
152				<attribute name="deleted" use="optional" type="mw:DeletedFlagType"/>
153			</extension>
154		</simpleContent>
155	</complexType>
156
157
158	<complexType name="TextType">
159		<simpleContent>
160			<extension base="string">
161				<attribute ref="xml:space" use="optional" default="preserve" />
162				<!-- This allows deleted=deleted on non-empty elements, but XSD is not omnipotent -->
163				<attribute name="deleted" use="optional" type="mw:DeletedFlagType"/>
164				<!-- This isn't a good idea; we should be using "ID" instead of "NMTOKEN" -->
165				<!-- However, "NMTOKEN" is strictest definition that is both compatible with existing -->
166				<!-- usage ([0-9]+) and with the "ID" type. -->
167				<attribute name="id" type="NMTOKEN"/>
168				<attribute name="bytes" use="optional" type="nonNegativeInteger"/>
169			</extension>
170		</simpleContent>
171	</complexType>
172
173	<complexType name="ContributorType">
174		<sequence>
175			<element name="username" type="string" minOccurs="0"/>
176			<element name="id" type="positiveInteger" minOccurs="0" />
177
178			<element name="ip" type="string" minOccurs="0"/>
179		</sequence>
180		<!-- This allows deleted=deleted on non-empty elements, but XSD is not omnipotent -->
181		<attribute name="deleted" use="optional" type="mw:DeletedFlagType"/>
182	</complexType>
183
184	<complexType name="UploadType">
185		<sequence>
186			<!-- Revision-style data... -->
187			<element name="timestamp" type="dateTime"/>
188			<element name="contributor" type="mw:ContributorType"/>
189			<element name="comment" type="string" minOccurs="0"/>
190
191			<!-- Filename. (Using underscores, not spaces. No 'Image:' namespace marker.) -->
192			<element name="filename" type="string"/>
193
194			<!-- URI at which this resource can be obtained -->
195			<element name="src" type="anyURI"/>
196
197			<element name="size" type="positiveInteger" />
198
199			<!-- TODO: add other metadata fields -->
200		</sequence>
201	</complexType>
202
203	<!-- Discussion threading data for LiquidThreads -->
204	<complexType name="DiscussionThreadingInfo">
205		<sequence>
206			<element name="ThreadSubject" type="string" />
207			<element name="ThreadParent" type="positiveInteger" />
208			<element name="ThreadAncestor" type="positiveInteger" />
209			<element name="ThreadPage" type="string" />
210			<element name="ThreadID" type="positiveInteger" />
211			<element name="ThreadAuthor" type="string" />
212			<element name="ThreadEditStatus" type="string" />
213			<element name="ThreadType" type="string" />
214		</sequence>
215	</complexType>
216
217</schema>
218