<?xml version="1.0"?>

 <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:exslt="http://exslt.org/common"  exclude-result-prefixes="exslt">

	<xsl:output method="xml" indent="yes"/>

<!-- filter a sysdef (2.0 or 3.0 syntax)-->

<xsl:param name="filter-type">only</xsl:param> <!-- only, has or with -->

<xsl:param name="filter"/> <!-- comma-separated list -->

<xsl:param name="addbuild" select="0"/> <!-- add a system build section that accepts everything -->

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

<xsl:template match="*"><xsl:param name="data"/>

	<xsl:copy>

		<xsl:copy-of select="@*"/>

		<xsl:apply-templates select="node()">

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

		</xsl:apply-templates>

	</xsl:copy>

</xsl:template>

<xsl:template match="component|unit"><xsl:param name="data"/> <!-- filterable items -->

	 <xsl:variable name="display">

	 	<xsl:apply-templates select="$data" mode="filter">

			<xsl:with-param name="item" select="current()"/>

		</xsl:apply-templates>

	 </xsl:variable>

	 <xsl:if test="$display != 'hide' "> <!-- if hide, remove completely from the output-->

		<xsl:copy>

			<xsl:copy-of select="@*"/>

			<xsl:apply-templates select="node()">

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

			</xsl:apply-templates>

		</xsl:copy>

	</xsl:if>

</xsl:template>

<xsl:template match="/SystemDefinition">

	<xsl:variable name="f">

		<xsl:element name="filter-{$filter-type}">

			<xsl:call-template name="filter-list">

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

			</xsl:call-template>

		</xsl:element>

	</xsl:variable>

	<xsl:choose>

		<xsl:when test="starts-with(@schema,'3.0')"/> <!-- no DTD needed for 3.0 sysdef -->

		<xsl:when test="$addbuild">

			<xsl:call-template name="DTD-bld"/> <!-- insert 2.0.1 DTD w/sysbuild parts-->

		</xsl:when>

		<xsl:otherwise>

			<xsl:call-template name="DTD"/> <!-- insert 2.0.1 DTD -->

		</xsl:otherwise>

	</xsl:choose>

	<xsl:copy>

		<xsl:copy-of select="@*"/>

		<xsl:variable name="content"> <!-- save content for potential further processing -->

			<xsl:apply-templates select="node()">

				<xsl:with-param name="data" select="exslt:node-set($f)/*"/>

			</xsl:apply-templates>

		</xsl:variable>

		<!-- just output content as is. We could create a template to remove any filtered out items, but so far there's no compelling need -->

		<xsl:copy-of select="$content"/>  

		<xsl:if test="$addbuild">

			<SystemBuild schema="1.0.0">

				<configuration name="any" description="text">

					<xsl:attribute name="filter">

						<xsl:for-each select="//@filter[not(.=following::*/@filter)]">

							<xsl:value-of select="."/><xsl:if test="position()!=last()">,</xsl:if>

						</xsl:for-each>

					</xsl:attribute>

					<xsl:for-each select="exslt:node-set($content)/systemModel/layer[descendant::unit]">

						<!-- only include layers we know have units -->

						<ref item="{@name}"/>

					</xsl:for-each>

				</configuration>

			</SystemBuild>

		</xsl:if>

	</xsl:copy>

</xsl:template>

<xsl:include href="filter-module.xsl"/>

<xsl:template name="DTD-bld">

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

 <!ELEMENT SystemDefinition ( systemModel?, SystemBuild? )>

 <!ATTLIST SystemDefinition

  name CDATA #REQUIRED

  schema CDATA #REQUIRED>

 <!ELEMENT systemModel (layer+)>

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

 <!ATTLIST layer

  name CDATA #REQUIRED

  long-name CDATA #IMPLIED

  levels NMTOKENS #IMPLIED

  span CDATA #IMPLIED>

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

 <!ATTLIST block

  levels NMTOKENS #IMPLIED

  span CDATA #IMPLIED

  level NMTOKEN #IMPLIED

  name CDATA #REQUIRED

  long-name CDATA #IMPLIED>

 <!ELEMENT subblock (collection)*>

 <!ATTLIST subblock

  name CDATA #REQUIRED

  long-name CDATA #IMPLIED>

 <!ELEMENT collection (component)*>

 <!ATTLIST collection

  name CDATA #REQUIRED

  long-name CDATA #IMPLIED

  level NMTOKEN #IMPLIED>

 <!ELEMENT component (unit)*>

 <!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>

 <!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>

 <!ELEMENT SystemBuild (option* | target+ | targetList+ | list+ | configuration+)*>

 <!ATTLIST SystemBuild schema CDATA #REQUIRED>

 <!ELEMENT list (ref+)>

 <!ATTLIST list

  name ID #REQUIRED

  description CDATA #REQUIRED>

 <!ELEMENT ref EMPTY>

 <!ATTLIST ref item CDATA #REQUIRED>

 <!ELEMENT targetList EMPTY>

 <!ATTLIST targetList

  name ID #REQUIRED

  description CDATA #REQUIRED

  target IDREFS #REQUIRED>

 <!ELEMENT target EMPTY>

 <!ATTLIST target

  name ID #REQUIRED

  abldTarget CDATA #REQUIRED

  description CDATA #REQUIRED>

 <!ELEMENT option EMPTY>

 <!ATTLIST option

  name ID #REQUIRED

  abldOption CDATA #REQUIRED

  description CDATA #REQUIRED

  enable (Y | N ) #REQUIRED>

 <!ELEMENT configuration (listRef+ | ref+ | task+)*>

 <!ATTLIST configuration

  name ID #REQUIRED

  description CDATA #REQUIRED

  filter CDATA #REQUIRED>

 <!ELEMENT task (listRef* , (buildLayer | specialInstructions))>

 <!ELEMENT listRef EMPTY>

 <!ATTLIST listRef list CDATA #REQUIRED>

 <!ELEMENT buildLayer EMPTY>

 <!ATTLIST buildLayer

  command CDATA #REQUIRED

  targetList IDREFS #IMPLIED

  unitParallel (Y | N ) #REQUIRED

  targetParallel (Y | N ) "N">

 <!ELEMENT specialInstructions EMPTY>

 <!ATTLIST specialInstructions

  name CDATA #REQUIRED

  cwd CDATA #REQUIRED

  root CDATA #IMPLIED

  command CDATA #REQUIRED>

]>

]]></xsl:text>

</xsl:template>

<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

>

]>

]]></xsl:text>

</xsl:template>

</xsl:stylesheet>