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   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      Version 0.5 adds byte count per revision.
  17  
  18      Version 0.6 adds a separate namespace tag, and resolves the
  19      redirect target and adds a separate sha1 tag for each revision.
  20  
  21      The canonical URL to the schema document is:
  22      http://www.mediawiki.org/xml/export-0.6.xsd
  23  
  24      Use the namespace:
  25      http://www.mediawiki.org/xml/export-0.6/
  26  -->
  27  <schema xmlns="http://www.w3.org/2001/XMLSchema"
  28          xmlns:mw="http://www.mediawiki.org/xml/export-0.6/"
  29          targetNamespace="http://www.mediawiki.org/xml/export-0.6/"
  30          elementFormDefault="qualified">
  31  
  32      <annotation>
  33          <documentation xml:lang="en">
  34              MediaWiki's page export format
  35          </documentation>
  36      </annotation>
  37  
  38      <!-- Need this to reference xml:lang -->
  39      <import namespace="http://www.w3.org/XML/1998/namespace"
  40              schemaLocation="http://www.w3.org/2001/xml.xsd"/>
  41  
  42      <!-- Our root element -->
  43      <element name="mediawiki" type="mw:MediaWikiType"/>
  44  
  45      <complexType name="MediaWikiType">
  46          <sequence>
  47              <element name="siteinfo" type="mw:SiteInfoType"
  48                       minOccurs="0" maxOccurs="1"/>
  49              <element name="page" type="mw:PageType"
  50                       minOccurs="0" maxOccurs="unbounded"/>
  51          </sequence>
  52          <attribute name="version" type="string" use="required"/>
  53          <attribute ref="xml:lang" use="required"/>
  54      </complexType>
  55  
  56      <complexType name="SiteInfoType">
  57          <sequence>
  58              <element name="sitename" type="string" minOccurs="0" />
  59              <element name="base" type="anyURI" minOccurs="0" />
  60              <element name="generator" type="string" minOccurs="0" />
  61              <element name="case" type="mw:CaseType" minOccurs="0" />
  62              <element name="namespaces" type="mw:NamespacesType" minOccurs="0" />
  63          </sequence>
  64      </complexType>
  65  
  66      <simpleType name="CaseType">
  67          <restriction base="NMTOKEN">
  68              <!-- Cannot have two titles differing only by case of first letter. -->
  69              <!-- Default behavior through 1.5, $wgCapitalLinks = true -->
  70              <enumeration value="first-letter" />
  71  
  72              <!-- Complete title is case-sensitive -->
  73              <!-- Behavior when $wgCapitalLinks = false -->
  74              <enumeration value="case-sensitive" />
  75  
  76              <!-- Cannot have non-case senstitive titles eg [[FOO]] == [[Foo]] -->
  77              <!-- Not yet implemented as of MediaWiki 1.18 -->
  78              <enumeration value="case-insensitive" />
  79          </restriction>
  80      </simpleType>
  81  
  82      <simpleType name="DeletedFlagType">
  83          <restriction base="NMTOKEN">
  84              <enumeration value="deleted"/>
  85          </restriction>
  86      </simpleType>
  87  
  88      <complexType name="NamespacesType">
  89          <sequence>
  90              <element name="namespace" type="mw:NamespaceType"
  91                       minOccurs="0" maxOccurs="unbounded" />
  92          </sequence>
  93      </complexType>
  94  
  95      <complexType name="NamespaceType">
  96          <simpleContent>
  97              <extension base="string">
  98                  <attribute name="key" type="integer" />
  99                  <attribute name="case" type="mw:CaseType" />
 100              </extension>
 101          </simpleContent>
 102      </complexType>
 103  
 104      <complexType name="PageType">
 105          <sequence>
 106              <!-- Title in text form. (Using spaces, not underscores; with namespace ) -->
 107              <element name="title" type="string"/>
 108  
 109              <!-- Namespace in canonical form -->
 110              <element name="ns" type="positiveInteger"/>
 111  
 112              <!-- optional page ID number -->
 113              <element name="id" type="positiveInteger" minOccurs="0"/>
 114  
 115              <!-- flag if the current revision is a redirect -->
 116              <element name="redirect" type="string" minOccurs="0"/>
 117  
 118              <!-- comma-separated list of string tokens, if present -->
 119              <element name="restrictions" type="string" minOccurs="0"/>
 120  
 121              <!-- Zero or more sets of revision or upload data -->
 122              <choice minOccurs="0" maxOccurs="unbounded">
 123                  <element name="revision" type="mw:RevisionType" />
 124                  <element name="upload" type="mw:UploadType" />
 125                  <element name="logitem" type="mw:LogItemType" />
 126              </choice>
 127  
 128              <!-- Zero or One sets of discussion threading data -->
 129              <element name="discussionthreadinginfo" minOccurs="0" maxOccurs="1" type="mw:DiscussionThreadingInfo" />
 130          </sequence>
 131      </complexType>
 132  
 133      <complexType name="RevisionType">
 134          <sequence>
 135              <element name="id" type="positiveInteger" minOccurs="0"/>
 136              <element name="timestamp" type="dateTime"/>
 137              <element name="contributor" type="mw:ContributorType"/>
 138              <element name="minor" minOccurs="0" />
 139              <element name="comment" type="mw:CommentType" minOccurs="0"/>
 140              <element name="sha1" type="string" />
 141              <element name="text" type="mw:TextType" />
 142          </sequence>
 143      </complexType>
 144  
 145      <complexType name="LogItemType">
 146          <sequence>
 147              <element name="id" type="positiveInteger" minOccurs="0"/>
 148              <element name="timestamp" type="dateTime"/>
 149              <element name="contributor" type="mw:ContributorType"/>
 150              <element name="comment" type="mw:CommentType" minOccurs="0"/>
 151              <element name="type" type="string" />
 152              <element name="action" type="string" />
 153              <element name="text" type="mw:TextType" />
 154          </sequence>
 155      </complexType>
 156  
 157      <complexType name="CommentType">
 158          <simpleContent>
 159              <extension base="string">
 160                  <!-- This allows deleted=deleted on non-empty elements, but XSD is not omnipotent -->
 161                  <attribute name="deleted" use="optional" type="mw:DeletedFlagType"/>
 162              </extension>
 163          </simpleContent>
 164      </complexType>
 165  
 166  
 167      <complexType name="TextType">
 168          <simpleContent>
 169              <extension base="string">
 170                  <attribute ref="xml:space" use="optional" default="preserve" />
 171                  <!-- This allows deleted=deleted on non-empty elements, but XSD is not omnipotent -->
 172                  <attribute name="deleted" use="optional" type="mw:DeletedFlagType"/>
 173                  <!-- This isn't a good idea; we should be using "ID" instead of "NMTOKEN" -->
 174                  <!-- However, "NMTOKEN" is strictest definition that is both compatible with existing -->
 175                  <!-- usage ([0-9]+) and with the "ID" type. -->
 176                  <attribute name="id" type="NMTOKEN"/>
 177                  <attribute name="bytes" use="optional" type="nonNegativeInteger"/>
 178              </extension>
 179          </simpleContent>
 180      </complexType>
 181  
 182      <complexType name="ContributorType">
 183          <sequence>
 184              <element name="username" type="string" minOccurs="0"/>
 185              <element name="id" type="positiveInteger" minOccurs="0" />
 186  
 187              <element name="ip" type="string" minOccurs="0"/>
 188          </sequence>
 189          <!-- This allows deleted=deleted on non-empty elements, but XSD is not omnipotent -->
 190          <attribute name="deleted" use="optional" type="mw:DeletedFlagType"/>
 191      </complexType>
 192  
 193      <complexType name="UploadType">
 194          <sequence>
 195              <!-- Revision-style data... -->
 196              <element name="timestamp" type="dateTime"/>
 197              <element name="contributor" type="mw:ContributorType"/>
 198              <element name="comment" type="string" minOccurs="0"/>
 199  
 200              <!-- Filename. (Using underscores, not spaces. No 'Image:' namespace marker.) -->
 201              <element name="filename" type="string"/>
 202  
 203              <!-- URI at which this resource can be obtained -->
 204              <element name="src" type="anyURI"/>
 205  
 206              <element name="size" type="positiveInteger" />
 207  
 208              <!-- TODO: add other metadata fields -->
 209          </sequence>
 210      </complexType>
 211  
 212      <!-- Discussion threading data for LiquidThreads -->
 213      <complexType name="DiscussionThreadingInfo">
 214          <sequence>
 215              <element name="ThreadSubject" type="string" />
 216              <element name="ThreadParent" type="positiveInteger" />
 217              <element name="ThreadAncestor" type="positiveInteger" />
 218              <element name="ThreadPage" type="string" />
 219              <element name="ThreadID" type="positiveInteger" />
 220              <element name="ThreadAuthor" type="string" />
 221              <element name="ThreadEditStatus" type="string" />
 222              <element name="ThreadType" type="string" />
 223          </sequence>
 224      </complexType>
 225  
 226  </schema>