
<!-- ==============================================================
      SVG12-RNG | SVG 1.2 Animate Elements
     ============================================================== -->

<grammar ns='http://www.w3.org/2000/svg'
         xml:lang='en'
         xmlns='http://relaxng.org/ns/structure/1.0'
         xmlns:xlink='http://www.w3.org/1999/xlink'
         xmlns:a='http://relaxng.org/ns/compatibility/annotations/1.0'
         xmlns:svg='http://www.w3.org/2005/02/svg-annotations'
         datatypeLibrary='http://www.w3.org/2001/XMLSchema-datatypes'
         >


  <define name='svg.GCommon.group' combine='choice'>
    <ref name='svg.Animate.group'/>
  </define>

  <!--
    Reusable groups
    -->
  <define name='svg.Animate.group' combine='choice'>
    <choice>
      <ref name='animate'/>
      <ref name='set'/>
      <ref name='animateColor'/>
      <ref name='animateTransform'/>
      <ref name='animateMotion'/>
      <ref name='svg.Discard.group'/>
    </choice>
  </define>

  <define name='svg.AnimateTiming.attr' combine='interleave'>
    <ref name='svg.AnimateTimingNoMinMax.attr'/>
    <optional><attribute name='min' svg:animatable='false' svg:inheritable='false'><text/></attribute></optional>
    <optional><attribute name='max' svg:animatable='false' svg:inheritable='false'><text/></attribute></optional>
  </define>

  <define name='svg.AnimateTimingNoMinMax.attr' combine='interleave'>
    <ref name='svg.AnimateTimingNoFillNoMinMax.attr'/>
    <optional>
      <attribute name='fill' svg:animatable='false' svg:inheritable='false'>
        <choice>
          <value>remove</value>
          <value>freeze</value>
        </choice>
      </attribute>
    </optional>
  </define>

  <define name='svg.AnimateTimingNoFillNoMinMax.attr' combine='interleave'>
    <ref name='svg.AnimateBegin.attr'/>
    <optional><attribute name='lsr:enabled' svg:animatable='false' svg:inheritable='false'><text/></attribute></optional>
    <optional><attribute name='dur' svg:animatable='false' svg:inheritable='false'><text/></attribute></optional>
    <optional><attribute name='end' svg:animatable='false' svg:inheritable='false'><text/></attribute></optional>
    <optional><attribute name='repeatCount' svg:animatable='false' svg:inheritable='false'><text/></attribute></optional>
    <optional><attribute name='repeatDur' svg:animatable='false' svg:inheritable='false'><text/></attribute></optional>
    <optional>
      <attribute name='restart' svg:animatable='false' svg:inheritable='false'>
        <choice>
          <value>always</value>
          <value>never</value>
          <value>whenNotActive</value>
        </choice>
      </attribute>
    </optional>
  </define>

  <define name='svg.AnimateBegin.attr' combine='interleave'>
    <optional><attribute name='begin' svg:animatable='false' svg:inheritable='false'><text/></attribute></optional>
  </define>

  <define name='svg.AnimateSync.attr' combine='interleave'>
    <optional>
      <attribute name='syncBehavior' svg:animatable='false' svg:inheritable='false'>
        <choice>
          <value>canSlip</value>
          <value>locked</value>
          <value>independent</value>
          <value>default</value>
        </choice>
      </attribute>
    </optional>
    <optional>
      <attribute name='syncTolerance' svg:animatable='false' svg:inheritable='false'>
        <choice>
          <ref name='Clock.datatype'/>
          <value>default</value>
        </choice>
      </attribute>
    </optional>
    <optional>
      <attribute name='syncMaster' svg:animatable='false' svg:inheritable='false'>
        <ref name='Boolean.datatype'/>
      </attribute>
    </optional>
    <optional>
      <attribute name='syncReference' svg:animatable='false' svg:inheritable='false'>
        <data type='string'/>
      </attribute>
    </optional>
  </define>

  <define name='svg.AnimateSyncDefault.attr' combine='interleave'>
    <optional>
      <attribute name='syncBehaviorDefault' svg:animatable='false' svg:inheritable='false'>
        <choice>
          <value>canSlip</value>
          <value>locked</value>
          <value>independent</value>
          <value>inherit</value>
        </choice>
      </attribute>
    </optional>
    <optional>
      <attribute name='syncToleranceDefault' svg:animatable='false' svg:inheritable='false'>
        <choice>
          <ref name='Clock.datatype'/>
          <value>inherit</value>
        </choice>
      </attribute>
    </optional>
  </define>



  <!--
    Common Attributes
    -->
  <define name='svg.AnimateCommon.attr'>
    <ref name='svg.XLink.attr'/>
	<ref name='svg.Conditional.attr'/>
  </define>

  <define name='svg.AnimateAttributeCommon.attr'>
    <optional>
      <attribute name='attributeName'  svg:animatable='false' svg:inheritable='false'><text/></attribute>
    </optional>
    <optional>
      <attribute name='attributeType' svg:animatable='false' svg:inheritable='false'>
        <choice>
          <value>XML</value>
          <value>CSS</value>
          <value>auto</value>
        </choice>
      </attribute>
    </optional>
  </define>

  <define name='svg.AnimateToCommon.attr' combine='interleave'>
    <optional><attribute name='to' svg:animatable='false' svg:inheritable='false'><text/></attribute></optional>
  </define>

  <define name='svg.AnimateValueCommon.attr'>
    <ref name='svg.AnimateToCommon.attr'/>
    <optional>
      <attribute name='calcMode' svg:animatable='false' svg:inheritable='false'>
        <choice>
          <value>discrete</value>
          <value>linear</value>
          <value>paced</value>
          <value>spline</value>
        </choice>
      </attribute>
    </optional>
    <optional><attribute name='values' svg:animatable='false' svg:inheritable='false'><text/></attribute></optional>
    <optional><attribute name='keyTimes' svg:animatable='false' svg:inheritable='false'><text/></attribute></optional>
    <optional><attribute name='keySplines' svg:animatable='false' svg:inheritable='false'><text/></attribute></optional>
    <optional><attribute name='from' svg:animatable='false' svg:inheritable='false'><text/></attribute></optional>
    <optional><attribute name='by' svg:animatable='false' svg:inheritable='false'><text/></attribute></optional>
  </define>

  <define name='svg.AnimateAdditionCommon.attr'>
    <optional>
      <attribute name='additive' svg:animatable='false' svg:inheritable='false'>
        <choice>
          <value>replace</value>
          <value>sum</value>
        </choice>
      </attribute>
    </optional>
    <optional>
      <attribute name='accumulate' svg:animatable='false' svg:inheritable='false'>
        <choice>
          <value>none</value>
          <value>sum</value>
        </choice>
      </attribute>
    </optional>
  </define>

  <define name='svg.AnimateTypeCommon.attr'>
    <optional>
      <attribute name='type' svg:animatable='false' svg:inheritable='false'>
        <choice>
          <value>translate</value>
          <value>scale</value>
          <value>rotate</value>
          <value>skewX</value>
          <value>skewY</value>
        </choice>
      </attribute>
    </optional>
  </define>


  <!--
    Common Content Model
    -->
  <define name='animateCommon.CM'>
    <choice>
      <ref name='svg.Desc.group'/>
      <ref name='svg.Handler.group'/>
    </choice>
  </define>


  <!-- ... animate ................................................ -->
  <define name='animate'>
    <element name='animate'>
      <ref name='animate.AT'/>
      <zeroOrMore><ref name='animateCommon.CM'/></zeroOrMore>
    </element>
  </define>

  <define name='animate.AT' combine='interleave'>
    <ref name='svg.Core.attr'/>
    <ref name='svg.AnimateCommon.attr'/>
    <ref name='svg.AnimateAttributeCommon.attr'/>
    <ref name='svg.AnimateTiming.attr'/>
    <ref name='svg.AnimateValueCommon.attr'/>
    <ref name='svg.AnimateAdditionCommon.attr'/>
  </define>


  <!-- ... set .................................................... -->
  <define name='set'>
    <element name='set'>
      <ref name='set.AT'/>
      <zeroOrMore><ref name='animateCommon.CM'/></zeroOrMore>
    </element>
  </define>

  <define name='set.AT' combine='interleave'>
    <ref name='svg.Core.attr'/>
    <ref name='svg.AnimateCommon.attr'/>
    <ref name='svg.AnimateAttributeCommon.attr'/>
    <ref name='svg.AnimateTiming.attr'/>
    <ref name='svg.AnimateToCommon.attr'/>
  </define>


  <!-- ... animateColor ........................................... -->
  <define name='animateColor'>
    <element name='animateColor'>
      <ref name='animateColor.AT'/>
      <zeroOrMore><ref name='animateCommon.CM'/></zeroOrMore>
    </element>
  </define>

  <define name='animateColor.AT' combine='interleave'>
    <ref name='svg.Core.attr'/>
    <ref name='svg.AnimateCommon.attr'/>
    <ref name='svg.AnimateAttributeCommon.attr'/>
    <ref name='svg.AnimateTiming.attr'/>
    <ref name='svg.AnimateValueCommon.attr'/>
    <ref name='svg.AnimateAdditionCommon.attr'/>
  </define>


  <!-- ... animateTransform ....................................... -->
  <define name='animateTransform'>
    <element name='animateTransform'>
      <ref name='animateTransform.AT'/>
      <zeroOrMore><ref name='animateCommon.CM'/></zeroOrMore>
    </element>
  </define>

  <define name='animateTransform.AT' combine='interleave'>
    <ref name='svg.Core.attr'/>
    <ref name='svg.AnimateCommon.attr'/>
    <ref name='svg.AnimateAttributeCommon.attr'/>
    <ref name='svg.AnimateTiming.attr'/>
    <ref name='svg.AnimateValueCommon.attr'/>
    <ref name='svg.AnimateAdditionCommon.attr'/>
    <ref name='svg.AnimateTypeCommon.attr'/>
  </define>


  <!-- ... animateMotion .......................................... -->
  <define name='animateMotion'>
    <element name='animateMotion'>
      <ref name='animateMotion.AT'/>
      <zeroOrMore>
        <ref name='animateCommon.CM'/>
      </zeroOrMore>
      <optional>
        <ref name='mpath'/>
      </optional>
      <zeroOrMore>
        <ref name='animateCommon.CM'/>
      </zeroOrMore>
    </element>
  </define>

  <define name='animateMotion.AT' combine='interleave'>
    <ref name='svg.Core.attr'/>
    <ref name='svg.AnimateCommon.attr'/>
    <ref name='svg.AnimateTiming.attr'/>
    <ref name='svg.AnimateAdditionCommon.attr'/>
    <ref name='svg.AnimateValueCommon.attr'/>
    <optional><attribute name='path' svg:animatable='false' svg:inheritable='false'><text/></attribute></optional>
    <optional><attribute name='keyPoints' svg:animatable='false' svg:inheritable='false'><text/></attribute></optional>
    <optional><attribute name='rotate' svg:animatable='false' svg:inheritable='false'><text/></attribute></optional>
    <optional><attribute name='origin' svg:animatable='false' svg:inheritable='false'><text/></attribute></optional>
  </define>



  <!-- ... mpath .................................................. -->
  <define name='mpath'>
    <element name='mpath'>
      <ref name='mpath.AT'/>
      <zeroOrMore><ref name='svg.Desc.group'/></zeroOrMore>
    </element>
  </define>

  <define name='mpath.AT' combine='interleave'>
    <ref name='svg.Core.attr'/>
    <ref name='svg.XLinkRequired.attr'/>
  </define>

</grammar>
