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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      The canonical URL to the schema document is:
  17      http://www.mediawiki.org/xml/export-0.4.xsd
  18  
  19      Use the namespace:
  20      http://www.mediawiki.org/xml/export-0.4/
  21  -->
  22  <schema xmlns="http://www.w3.org/2001/XMLSchema"
  23          xmlns:mw="http://www.mediawiki.org/xml/export-0.4/"
  24          targetNamespace="http://www.mediawiki.org/xml/export-0.4/"
  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              </extension>
 169          </simpleContent>
 170      </complexType>
 171  
 172      <complexType name="ContributorType">
 173          <sequence>
 174              <element name="username" type="string" minOccurs="0"/>
 175              <element name="id" type="positiveInteger" minOccurs="0" />
 176  
 177              <element name="ip" type="string" minOccurs="0"/>
 178          </sequence>
 179          <!-- This allows deleted=deleted on non-empty elements, but XSD is not omnipotent -->
 180          <attribute name="deleted" use="optional" type="mw:DeletedFlagType"/>
 181      </complexType>
 182  
 183      <complexType name="UploadType">
 184          <sequence>
 185              <!-- Revision-style data... -->
 186              <element name="timestamp" type="dateTime"/>
 187              <element name="contributor" type="mw:ContributorType"/>
 188              <element name="comment" type="string" minOccurs="0"/>
 189  
 190              <!-- Filename. (Using underscores, not spaces. No 'Image:' namespace marker.) -->
 191              <element name="filename" type="string"/>
 192  
 193              <!-- URI at which this resource can be obtained -->
 194              <element name="src" type="anyURI"/>
 195  
 196              <element name="size" type="positiveInteger" />
 197  
 198              <!-- TODO: add other metadata fields -->
 199          </sequence>
 200      </complexType>
 201  
 202      <!-- Discussion threading data for LiquidThreads -->
 203      <complexType name="DiscussionThreadingInfo">
 204          <sequence>
 205              <element name="ThreadSubject" type="string" />
 206              <element name="ThreadParent" type="positiveInteger" />
 207              <element name="ThreadAncestor" type="positiveInteger" />
 208              <element name="ThreadPage" type="string" />
 209              <element name="ThreadID" type="positiveInteger" />
 210              <element name="ThreadAuthor" type="string" />
 211              <element name="ThreadEditStatus" type="string" />
 212              <element name="ThreadType" type="string" />
 213          </sequence>
 214      </complexType>
 215  
 216  </schema>