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<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<!--
xmldepend.xsl - Find files that an XML document refers to/depends on.
This stylesheet can be used to build Makefile dependency lists.
Dependencies are defined as:
- Files named in <xi:xinclude> elements. These must be traversed to
find any subdependencies, unless parse attribute is "text".
- Files named by the fileref attribute of any other element.
Who-to-blame:
Paul DuBois
paul@kitebird.com
2005-08-16
Change history:
2005-08-16
- Version 1.00.
TODO:
- add params for whether to produce debugging output, etc.
-->
<xsl:output method="text" indent="no"/>
<!-- BEGIN PARAMETERS -->
<xsl:param name="xmldepend.terminator" select="' '"/>
<!-- END PARAMETERS -->
<!-- BEGIN UTILITY TEMPLATES -->
<!--
Given a pathname, return the basename (part after last '/'):
- If path contains no '/' separators, return entire value
- If path contains '/' separator, recurse using part after first one
-->
<xsl:template name="path-basename">
<xsl:param name="path"/>
<xsl:choose>
<xsl:when test="not(contains($path,'/'))">
<xsl:value-of select="$path"/>
</xsl:when>
<xsl:otherwise>
<xsl:call-template name="path-basename">
<xsl:with-param name="path" select="substring-after($path,'/')"/>
</xsl:call-template>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<!--
Given a pathname, return the dirname (part up through last '/'):
- If path contains no '/' separators, return empty string
- If path contains '/' separator, return part up through last one
(which is the same as the part before the basename)
-->
<xsl:template name="path-dirname">
<xsl:param name="path"/>
<xsl:choose>
<xsl:when test="not(contains($path,'/'))">
<!-- return nothing -->
</xsl:when>
<xsl:otherwise>
<xsl:variable name="basename">
<xsl:call-template name="path-basename">
<xsl:with-param name="path" select="$path"/>
</xsl:call-template>
</xsl:variable>
<xsl:value-of select="substring( $path,1,string-length($path) - string-length($basename) )"/>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<!-- END UTILITY TEMPLATES -->
<!--
Find XInclude directives, spit out the href value that names
the included file, and process the file recursively if it's
an XML file.
-->
<xsl:template match="xi:include" xmlns:xi="http://www.w3.org/2001/XInclude">
<xsl:param name="curdir"/>
<xsl:variable name="href-dir">
<xsl:call-template name="path-dirname">
<xsl:with-param name="path" select="@href"/>
</xsl:call-template>
</xsl:variable>
<!--
Display pathname of included file. It should be prefixed by
the directory of the referring file unless the included file
is an absolute pathname.
-->
<xsl:if test="not(starts-with(@href,'/'))">
<xsl:value-of select="$curdir"/>
</xsl:if>
<xsl:value-of select="@href"/>
<xsl:value-of select="$xmldepend.terminator"/>
<!--
Process included file (unless parse="text").
Pass directory of included file while processing it
so that relative pathnames referenced in the document
can be resolved properly.
-->
<xsl:if test="not(@parse = 'text')">
<xsl:for-each select="document(@href)">
<xsl:apply-templates>
<xsl:with-param name="curdir">
<xsl:if test="not(starts-with(@href,'/'))">
<xsl:value-of select="$curdir"/>
</xsl:if>
<xsl:value-of select="$href-dir"/>
</xsl:with-param>
</xsl:apply-templates>
</xsl:for-each>
</xsl:if>
</xsl:template>
<!--
Several elements have a fileref attribute. Spit out the file named
by any of them. Resolve the filename relative to the directory of
the referencing file unless the name is an absolute pathname.
-->
<xsl:template match="*[@fileref]">
<xsl:param name="curdir"/>
<xsl:if test="not(starts-with(@fileref,'/'))">
<xsl:value-of select="$curdir"/>
</xsl:if>
<xsl:value-of select="@fileref"/>
<xsl:value-of select="$xmldepend.terminator"/>
</xsl:template>
<!-- Identity transform, but keep track of current document directory -->
<xsl:template match="*">
<xsl:param name="curdir"/>
<xsl:apply-templates select="*">
<xsl:with-param name="curdir" select="$curdir"/>
</xsl:apply-templates>
</xsl:template>
</xsl:stylesheet>
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