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<xsl:stylesheet
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:str="http://exslt.org/strings"
xmlns:exsl="http://exslt.org/common"
xmlns:mal="http://projectmallard.org/1.0/"
xmlns:cache="http://projectmallard.org/cache/1.0/"
xmlns:rng="http://relaxng.org/ns/structure/1.0"
xmlns="http://relaxng.org/ns/structure/1.0"
exclude-result-prefixes="mal cache str exsl rng"
version="1.0">
<xsl:param name="rng.strict" select="false()"/>
<xsl:param name="rng.strict.allow" select="''"/>
<xsl:template match="/*">
<xsl:variable name="version">
<xsl:choose>
<xsl:when test="string(@version) != ''">
<xsl:value-of select="@version"/>
</xsl:when>
<xsl:when test="/cache:cache">
<xsl:value-of select="'cache/1.0 1.0'"/>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="'1.0'"/>
</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<xsl:variable name="uris">
<xsl:for-each select="str:split($version)">
<xsl:choose>
<xsl:when test="contains(., ':')">
<xsl:value-of select="."/>
</xsl:when>
<xsl:when test="contains(., '/')">
<xsl:variable name="ext" select="substring-before(., '/')"/>
<xsl:variable name="ver" select="substring-after(., '/')"/>
<xsl:text>http://projectmallard.org/</xsl:text>
<xsl:value-of select="concat($ext, '/', $ver, '/', $ext, '-', $ver, '.rng')"/>
</xsl:when>
<xsl:otherwise>
<xsl:text>http://projectmallard.org/</xsl:text>
<xsl:value-of select="concat(., '/mallard-', ., '.rng')"/>
</xsl:otherwise>
</xsl:choose>
<xsl:text> </xsl:text>
</xsl:for-each>
</xsl:variable>
<xsl:variable name="nss_">
<xsl:for-each select="str:split($uris)">
<xsl:for-each select="document(.)/*">
<xsl:if test="@ns != ''">
<nsName ns="{@ns}"/>
</xsl:if>
<xsl:for-each select="namespace::*">
<xsl:if test=". != '' and
not(local-name(.) = '' and . = 'http://relaxng.org/ns/structure/1.0') and
not(local-name(.) = 'xml' and . = 'http://www.w3.org/XML/1998/namespace')
">
<nsName ns="{.}"/>
</xsl:if>
</xsl:for-each>
</xsl:for-each>
</xsl:for-each>
<nsName ns=""/>
</xsl:variable>
<xsl:variable name="nss" select="exsl:node-set($nss_)/*[not(@ns = preceding-sibling::*/@ns)]"/>
<grammar>
<xsl:for-each select="str:split($uris)">
<xsl:variable name="first" select="position() = 1"/>
<xsl:for-each select="document(.)/rng:grammar">
<xsl:apply-templates mode="rng.mode" select="*">
<xsl:with-param name="first" select="$first"/>
<xsl:with-param name="ns" select="string(@ns)"/>
<xsl:with-param name="nss" select="$nss"/>
</xsl:apply-templates>
</xsl:for-each>
</xsl:for-each>
</grammar>
</xsl:template>
<xsl:template mode="rng.mode" match="text()">
<xsl:value-of select="."/>
</xsl:template>
<xsl:template mode="rng.mode" match="*">
<xsl:param name="first"/>
<xsl:param name="ns"/>
<xsl:param name="nss"/>
<xsl:choose>
<xsl:when test="$rng.strict and rng:anyName">
<xsl:choose>
<xsl:when test="$rng.strict.allow != ''">
<xsl:copy>
<choice>
<xsl:if test="self::rng:attribute/ancestor::rng:element[1]/rng:anyName">
<nsName ns=""/>
</xsl:if>
<xsl:for-each select="str:split($rng.strict.allow)">
<nsName ns="{.}"/>
</xsl:for-each>
<xsl:if test="ancestor::rng:define/@name = 'mal_attr_external'">
<nsName ns="http://www.w3.org/XML/1998/namespace"/>
</xsl:if>
</choice>
<xsl:apply-templates mode="rng.mode" select="rng:anyName/following-sibling::*">
<xsl:with-param name="first" select="$first"/>
<xsl:with-param name="ns" select="$ns"/>
<xsl:with-param name="nss" select="$nss"/>
</xsl:apply-templates>
</xsl:copy>
</xsl:when>
<xsl:when test="ancestor::rng:define/@name = 'mal_attr_external'">
<xsl:copy>
<nsName ns="http://www.w3.org/XML/1998/namespace"/>
</xsl:copy>
</xsl:when>
<xsl:otherwise>
<empty/>
</xsl:otherwise>
</xsl:choose>
</xsl:when>
<xsl:otherwise>
<xsl:variable name="nsmunge" select="self::rng:element or self::rng:attribute"/>
<xsl:copy>
<xsl:for-each select="@*">
<xsl:choose>
<xsl:when test="$nsmunge and local-name(.) = 'name' and contains(., ':')">
<xsl:attribute name="name">
<xsl:value-of select="substring-after(., ':')"/>
</xsl:attribute>
</xsl:when>
<xsl:otherwise>
<xsl:copy-of select="."/>
</xsl:otherwise>
</xsl:choose>
</xsl:for-each>
<xsl:if test="$nsmunge and not(@ns)">
<xsl:choose>
<xsl:when test="contains(@name, ':')">
<xsl:variable name="prefix" select="substring-before(@name, ':')"/>
<xsl:attribute name="ns">
<xsl:value-of select="namespace::*[local-name(.) = $prefix]"/>
</xsl:attribute>
</xsl:when>
<xsl:when test="self::rng:element">
<xsl:attribute name="ns">
<xsl:value-of select="$ns"/>
</xsl:attribute>
</xsl:when>
</xsl:choose>
</xsl:if>
<xsl:apply-templates mode="rng.mode">
<xsl:with-param name="first" select="$first"/>
<xsl:with-param name="ns" select="$ns"/>
<xsl:with-param name="nss" select="$nss"/>
</xsl:apply-templates>
</xsl:copy>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<xsl:template mode="rng.mode" match="rng:start">
<xsl:param name="first"/>
<xsl:param name="ns"/>
<xsl:param name="nss"/>
<xsl:if test="$first or @combine = 'choice' or @combine = 'interleave'">
<xsl:copy>
<xsl:for-each select="@*">
<xsl:copy-of select="."/>
</xsl:for-each>
<xsl:apply-templates mode="rng.mode">
<xsl:with-param name="first" select="$first"/>
<xsl:with-param name="ns" select="$ns"/>
<xsl:with-param name="nss" select="$nss"/>
</xsl:apply-templates>
</xsl:copy>
</xsl:if>
</xsl:template>
<xsl:template mode="rng.mode" match="rng:anyName/rng:except">
<xsl:param name="first"/>
<xsl:param name="ns"/>
<xsl:param name="nss"/>
<except>
<xsl:copy-of select="$nss"/>
</except>
</xsl:template>
</xsl:stylesheet>
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