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	<xsl:param name="Path">os/deviceplatformrelease/foundation_system/system_model</xsl:param>

	<!-- $Path is the location of the root system definition XML file. Must not end in /

		This is used to compute the absolute paths the 2.0 syntax needs-->

<xsl:template match="/*">

	<xsl:message terminate="yes">Cannot process this document</xsl:message>

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<!-- can only handle 3.0.0 to 2.0.1 transforms

	Assumes only packages are using href

 -->

<xsl:template match="/SystemDefinition[@schema='3.0.0']"> 

	<!-- process root system definition or package definition-->

	<xsl:call-template name="DTD"/> <!-- insert 2.0.01 DTD -->

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<xsl:template match="/SystemDefinition[@schema='3.0.0' and systemModel]"> 

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<xsl:template match="/SystemDefinition/package[@href]" priority="2">

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<xsl:template match="/SystemDefinition/package" priority="1">

	<!-- process package definition file--> 

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			<xsl:apply-templates mode="copy" select="@id|@name|@span|@level|@levels"/><!--  valid attribuites for 2.0 -->

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<xsl:template match="@*|comment()"><xsl:copy-of select="."/></xsl:template> 

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<xsl:template match="systemModel">

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<xsl:template mode="copy" match="@*">

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<xsl:template mode="copy" match="@id"> <!-- id in 3.0 is name in 2.0 -->

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</xsl:template>

<xsl:template mode="copy" match="@name">  <!-- name in 3.0 is long-name in 2.0.1 -->

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<xsl:template match="layer/package"><!-- translates to block -->

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		<xsl:apply-templates mode="copy" select="@id|@name|@span|@level|@levels"/><!--  valid attribuites for 2.0 -->

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					<xsl:for-each select="@span|@levels|@level">

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					<xsl:apply-templates select="*|comment()">

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	  						<xsl:call-template name="normpath">

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<xsl:template match="package/package">	<!-- translates to subblock --><xsl:param name="path"/>

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		<xsl:apply-templates select="*|comment()">

			<xsl:with-param name="path" select="$path"/> 

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<xsl:template match="package/package/pacakge"> <!-- cannot nest this deep --><xsl:param name="path"/>

	<xsl:message>Excessive nesting of packages: Ignoring <xsl:value-of select="@id"/></xsl:message>

	<xsl:apply-templates select="*|comment()">

		<xsl:with-param name="path" select="$path"/> 

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<xsl:template match="collection"><xsl:param name="path"/>

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		<xsl:apply-templates select="*|comment()">

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<xsl:template match="component"><xsl:param name="path"/>

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			<xsl:attribute name="plugin">Y</xsl:attribute>

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		<xsl:call-template name="class">

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			<xsl:with-param name="add">

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<xsl:template match="unit/@late"> <!-- 2.0 uses Y/N, 3.0 uses yes/no -->

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<xsl:template name="normpath"><xsl:param name="path"/>

<!-- normalize out any ".." in the path in $path  -->

<xsl:choose>

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<xsl:template name="before"><xsl:param name="text"/>

<xsl:if test="contains($text,'/')">

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<xsl:template name="DTD">

<xsl:text disable-output-escaping="yes"><![CDATA[<!DOCTYPE SystemDefinition [

<!ELEMENT SystemDefinition ( systemModel )>

<!ATTLIST SystemDefinition

  name CDATA #REQUIRED

  schema CDATA #REQUIRED

>

<!-- all paths are relative to the environment variable specified by the root attribute, or SOURCEROOT if not.  -->

<!-- System Model Section of DTD -->

<!ELEMENT systemModel (layer+)>

<!ELEMENT layer (block* | collection*)*>

<!-- Kernel Services, Base Services, OS Services, Etc -->

<!ATTLIST layer

  name CDATA #REQUIRED

  long-name CDATA #IMPLIED

  levels NMTOKENS #IMPLIED

  span CDATA #IMPLIED

>

<!ELEMENT block (subblock* | collection*)*>

 <!-- Generic OS services, Comms Services, etc -->

<!ATTLIST block

  levels NMTOKENS #IMPLIED

  span CDATA #IMPLIED

  level NMTOKEN #IMPLIED

  name CDATA #REQUIRED

  long-name CDATA #IMPLIED

>

<!ELEMENT subblock (collection)*>

<!-- Cellular Baseband Services, Networking Services, etc -->

<!ATTLIST subblock

  name CDATA #REQUIRED

  long-name CDATA #IMPLIED

>

<!ELEMENT collection (component)*>

<!-- Screen Driver, Content Handling, etc -->

<!ATTLIST collection

  name CDATA #REQUIRED

  long-name CDATA #IMPLIED

  level NMTOKEN #IMPLIED

>

<!ELEMENT component (unit)*>

<!-- contains units or is a  package or prebuilt -->

<!ATTLIST component

  name CDATA #REQUIRED

  long-name CDATA #IMPLIED

  deprecated CDATA #IMPLIED

  introduced CDATA #IMPLIED

  contract CDATA #IMPLIED

  plugin (Y|N) "N"

  filter CDATA #IMPLIED

  class NMTOKENS #IMPLIED

  supports CDATA #IMPLIED

  purpose ( optional | mandatory | development ) "optional"

>

<!ELEMENT unit EMPTY >

<!-- must be buildable (bld.inf) -->

<!-- bldFile  may someday be removed in favour of mrp -->

<!ATTLIST unit

  mrp CDATA #IMPLIED

  filter CDATA #IMPLIED

  bldFile CDATA #IMPLIED

  root CDATA #IMPLIED

  version NMTOKEN #IMPLIED

  prebuilt NMTOKEN #IMPLIED

  late (Y|N) #IMPLIED

  priority CDATA #IMPLIED

>

]>

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