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355 lines
13 KiB
355 lines
13 KiB
15 years ago
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<?xml version="1.0" encoding="utf-8"?>
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<!-- ********************************************************************
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$Id$
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********************************************************************
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This file is part of the XSL DocBook Stylesheet distribution.
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See ../README or http://nwalsh.com/docbook/xsl/ for copyright
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and other information.
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This module implements DTD-independent functions
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******************************************************************** -->
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<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:src="http://nwalsh.com/xmlns/litprog/fragment" exclude-result-prefixes="src" version="1.0">
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<xsl:template name="dot.count">
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<!-- Returns the number of "." characters in a string -->
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<xsl:param name="string"/>
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<xsl:param name="count" select="0"/>
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<xsl:choose>
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<xsl:when test="contains($string, '.')">
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<xsl:call-template name="dot.count">
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<xsl:with-param name="string" select="substring-after($string, '.')"/>
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<xsl:with-param name="count" select="$count+1"/>
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</xsl:call-template>
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</xsl:when>
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<xsl:otherwise>
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<xsl:value-of select="$count"/>
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</xsl:otherwise>
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</xsl:choose>
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</xsl:template>
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<xsl:template name="copy-string">
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<!-- returns 'count' copies of 'string' -->
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<xsl:param name="string"/>
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<xsl:param name="count" select="0"/>
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<xsl:param name="result"/>
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<xsl:choose>
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<xsl:when test="$count>0">
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<xsl:call-template name="copy-string">
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<xsl:with-param name="string" select="$string"/>
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<xsl:with-param name="count" select="$count - 1"/>
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<xsl:with-param name="result">
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<xsl:value-of select="$result"/>
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<xsl:value-of select="$string"/>
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</xsl:with-param>
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</xsl:call-template>
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</xsl:when>
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<xsl:otherwise>
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<xsl:value-of select="$result"/>
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</xsl:otherwise>
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</xsl:choose>
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</xsl:template>
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<xsl:template name="string.subst">
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<xsl:param name="string"/>
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<xsl:param name="target"/>
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<xsl:param name="replacement"/>
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<xsl:choose>
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<xsl:when test="contains($string, $target)">
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<xsl:variable name="rest">
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<xsl:call-template name="string.subst">
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<xsl:with-param name="string" select="substring-after($string, $target)"/>
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<xsl:with-param name="target" select="$target"/>
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<xsl:with-param name="replacement" select="$replacement"/>
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</xsl:call-template>
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</xsl:variable>
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<xsl:value-of select="concat(substring-before($string, $target), $replacement, $rest)"/>
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</xsl:when>
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<xsl:otherwise>
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<xsl:value-of select="$string"/>
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</xsl:otherwise>
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</xsl:choose>
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</xsl:template>
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<xsl:template name="xpointer.idref">
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<xsl:param name="xpointer">http://...</xsl:param>
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<xsl:choose>
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<xsl:when test="starts-with($xpointer, '#xpointer(id(')">
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<xsl:variable name="rest" select="substring-after($xpointer, '#xpointer(id(')"/>
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<xsl:variable name="quote" select="substring($rest, 1, 1)"/>
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<xsl:value-of select="substring-before(substring-after($xpointer, $quote), $quote)"/>
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</xsl:when>
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<xsl:when test="starts-with($xpointer, '#')">
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<xsl:value-of select="substring-after($xpointer, '#')"/>
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</xsl:when>
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<!-- otherwise it's a pointer to some other document -->
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</xsl:choose>
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</xsl:template>
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<xsl:template name="length-magnitude">
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<xsl:param name="length" select="'0pt'"/>
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<xsl:choose>
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<xsl:when test="string-length($length) = 0"/>
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<xsl:when test="substring($length,1,1) = '0' or substring($length,1,1) = '1' or substring($length,1,1) = '2' or substring($length,1,1) = '3' or substring($length,1,1) = '4' or substring($length,1,1) = '5' or substring($length,1,1) = '6' or substring($length,1,1) = '7' or substring($length,1,1) = '8' or substring($length,1,1) = '9' or substring($length,1,1) = '.'">
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<xsl:value-of select="substring($length,1,1)"/>
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<xsl:call-template name="length-magnitude">
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<xsl:with-param name="length" select="substring($length,2)"/>
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</xsl:call-template>
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</xsl:when>
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</xsl:choose>
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</xsl:template>
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<xsl:template name="length-units">
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<xsl:param name="length" select="'0pt'"/>
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<xsl:param name="default.units" select="'px'"/>
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<xsl:variable name="magnitude">
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<xsl:call-template name="length-magnitude">
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<xsl:with-param name="length" select="$length"/>
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</xsl:call-template>
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</xsl:variable>
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<xsl:variable name="units">
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<xsl:value-of select="substring($length, string-length($magnitude)+1)"/>
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</xsl:variable>
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<xsl:choose>
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<xsl:when test="$units = ''">
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<xsl:value-of select="$default.units"/>
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</xsl:when>
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<xsl:otherwise>
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<xsl:value-of select="$units"/>
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</xsl:otherwise>
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</xsl:choose>
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</xsl:template>
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<xsl:template name="length-spec">
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<xsl:param name="length" select="'0pt'"/>
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<xsl:param name="default.units" select="'px'"/>
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<xsl:variable name="magnitude">
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<xsl:call-template name="length-magnitude">
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<xsl:with-param name="length" select="$length"/>
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</xsl:call-template>
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</xsl:variable>
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<xsl:variable name="units">
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<xsl:value-of select="substring($length, string-length($magnitude)+1)"/>
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</xsl:variable>
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<xsl:value-of select="$magnitude"/>
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<xsl:choose>
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<xsl:when test="$units='cm' or $units='mm' or $units='in' or $units='pt' or $units='pc' or $units='px' or $units='em'">
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<xsl:value-of select="$units"/>
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</xsl:when>
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<xsl:when test="$units = ''">
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<xsl:value-of select="$default.units"/>
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</xsl:when>
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<xsl:otherwise>
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<xsl:message>
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<xsl:text>Unrecognized unit of measure: </xsl:text>
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<xsl:value-of select="$units"/>
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<xsl:text>.</xsl:text>
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</xsl:message>
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</xsl:otherwise>
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</xsl:choose>
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</xsl:template>
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<xsl:template name="length-in-points">
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<xsl:param name="length" select="'0pt'"/>
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<xsl:param name="em.size" select="10"/>
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<xsl:param name="pixels.per.inch" select="90"/>
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<xsl:variable name="magnitude">
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<xsl:call-template name="length-magnitude">
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<xsl:with-param name="length" select="$length"/>
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</xsl:call-template>
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</xsl:variable>
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<xsl:variable name="units">
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<xsl:value-of select="substring($length, string-length($magnitude)+1)"/>
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</xsl:variable>
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<xsl:choose>
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<xsl:when test="$units = 'pt'">
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<xsl:value-of select="$magnitude"/>
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</xsl:when>
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<xsl:when test="$units = 'cm'">
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<xsl:value-of select="$magnitude div 2.54 * 72.0"/>
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</xsl:when>
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<xsl:when test="$units = 'mm'">
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<xsl:value-of select="$magnitude div 25.4 * 72.0"/>
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</xsl:when>
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<xsl:when test="$units = 'in'">
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<xsl:value-of select="$magnitude * 72.0"/>
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</xsl:when>
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<xsl:when test="$units = 'pc'">
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<xsl:value-of select="$magnitude * 12.0"/>
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</xsl:when>
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<xsl:when test="$units = 'px'">
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<xsl:value-of select="$magnitude div $pixels.per.inch * 72.0"/>
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</xsl:when>
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<xsl:when test="$units = 'em'">
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<xsl:value-of select="$magnitude * $em.size"/>
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</xsl:when>
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<xsl:otherwise>
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<xsl:message>
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<xsl:text>Unrecognized unit of measure: </xsl:text>
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<xsl:value-of select="$units"/>
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<xsl:text>.</xsl:text>
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</xsl:message>
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</xsl:otherwise>
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</xsl:choose>
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</xsl:template>
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<xsl:template name="pi-attribute">
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<xsl:param name="pis" select="processing-instruction('BOGUS_PI')"/>
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<xsl:param name="attribute">filename</xsl:param>
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<xsl:param name="count">1</xsl:param>
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<xsl:choose>
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<xsl:when test="$count>count($pis)">
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<!-- not found -->
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</xsl:when>
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<xsl:otherwise>
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<xsl:variable name="pi">
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<xsl:value-of select="$pis[$count]"/>
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</xsl:variable>
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<xsl:variable name="pivalue">
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<xsl:value-of select="concat(' ', normalize-space($pi))"/>
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</xsl:variable>
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<xsl:choose>
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<xsl:when test="contains($pivalue,concat(' ', $attribute, '='))">
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<xsl:variable name="rest" select="substring-after($pivalue,concat(' ', $attribute,'='))"/>
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<xsl:variable name="quote" select="substring($rest,1,1)"/>
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<xsl:value-of select="substring-before(substring($rest,2),$quote)"/>
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</xsl:when>
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<xsl:otherwise>
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<xsl:call-template name="pi-attribute">
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<xsl:with-param name="pis" select="$pis"/>
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<xsl:with-param name="attribute" select="$attribute"/>
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<xsl:with-param name="count" select="$count + 1"/>
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</xsl:call-template>
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</xsl:otherwise>
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</xsl:choose>
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</xsl:otherwise>
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</xsl:choose>
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</xsl:template>
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<xsl:template name="lookup.key">
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<xsl:param name="key" select="''"/>
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<xsl:param name="table" select="''"/>
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<xsl:if test="contains($table, ' ')">
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<xsl:choose>
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<xsl:when test="substring-before($table, ' ') = $key">
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<xsl:variable name="rest" select="substring-after($table, ' ')"/>
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<xsl:choose>
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<xsl:when test="contains($rest, ' ')">
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<xsl:value-of select="substring-before($rest, ' ')"/>
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</xsl:when>
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<xsl:otherwise>
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<xsl:value-of select="$rest"/>
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</xsl:otherwise>
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</xsl:choose>
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</xsl:when>
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<xsl:otherwise>
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<xsl:call-template name="lookup.key">
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<xsl:with-param name="key" select="$key"/>
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<xsl:with-param name="table" select="substring-after(substring-after($table,' '), ' ')"/>
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</xsl:call-template>
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</xsl:otherwise>
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</xsl:choose>
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</xsl:if>
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</xsl:template>
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<xsl:template name="xpath.location">
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<xsl:param name="node" select="."/>
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<xsl:param name="path" select="''"/>
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<xsl:variable name="next.path">
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<xsl:value-of select="local-name($node)"/>
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<xsl:if test="$path != ''">/</xsl:if>
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<xsl:value-of select="$path"/>
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</xsl:variable>
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<xsl:choose>
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<xsl:when test="$node/parent::*">
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<xsl:call-template name="xpath.location">
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<xsl:with-param name="node" select="$node/parent::*"/>
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<xsl:with-param name="path" select="$next.path"/>
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</xsl:call-template>
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</xsl:when>
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<xsl:otherwise>
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<xsl:text>/</xsl:text>
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<xsl:value-of select="$next.path"/>
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</xsl:otherwise>
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</xsl:choose>
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</xsl:template>
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<xsl:template name="comment-escape-string">
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<xsl:param name="string" select="''"/>
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<xsl:if test="starts-with($string, '-')">
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<xsl:text> </xsl:text>
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</xsl:if>
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<xsl:call-template name="comment-escape-string.recursive">
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<xsl:with-param name="string" select="$string"/>
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</xsl:call-template>
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<xsl:if test="substring($string, string-length($string), 1) = '-'">
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<xsl:text> </xsl:text>
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</xsl:if>
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</xsl:template>
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<xsl:template name="comment-escape-string.recursive">
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<xsl:param name="string" select="''"/>
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<xsl:choose>
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<xsl:when test="contains($string, '--')">
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<xsl:value-of select="substring-before($string, '--')"/>
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<xsl:value-of select="'- -'"/>
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<xsl:call-template name="comment-escape-string.recursive">
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<xsl:with-param name="string" select="substring-after($string, '--')"/>
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</xsl:call-template>
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</xsl:when>
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<xsl:otherwise>
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<xsl:value-of select="$string"/>
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</xsl:otherwise>
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</xsl:choose>
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</xsl:template>
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<xsl:template name="count.uri.path.depth">
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<xsl:param name="filename" select="''"/>
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<xsl:param name="count" select="0"/>
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<xsl:choose>
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<xsl:when test="contains($filename, '/')">
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<xsl:call-template name="count.uri.path.depth">
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<xsl:with-param name="filename" select="substring-after($filename, '/')"/>
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<xsl:with-param name="count" select="$count + 1"/>
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</xsl:call-template>
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</xsl:when>
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<xsl:otherwise>
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<xsl:value-of select="$count"/>
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</xsl:otherwise>
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</xsl:choose>
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</xsl:template>
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<xsl:template name="trim.common.uri.paths">
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||
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<xsl:param name="uriA" select="''"/>
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<xsl:param name="uriB" select="''"/>
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<xsl:param name="return" select="'A'"/>
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<xsl:choose>
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<xsl:when test="contains($uriA, '/') and contains($uriB, '/') and substring-before($uriA, '/') = substring-before($uriB, '/')">
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||
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<xsl:call-template name="trim.common.uri.paths">
|
||
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<xsl:with-param name="uriA" select="substring-after($uriA, '/')"/>
|
||
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<xsl:with-param name="uriB" select="substring-after($uriB, '/')"/>
|
||
|
|
<xsl:with-param name="return" select="$return"/>
|
||
|
|
</xsl:call-template>
|
||
|
|
</xsl:when>
|
||
|
|
<xsl:otherwise>
|
||
|
|
<xsl:choose>
|
||
|
|
<xsl:when test="$return = 'A'">
|
||
|
|
<xsl:value-of select="$uriA"/>
|
||
|
|
</xsl:when>
|
||
|
|
<xsl:otherwise>
|
||
|
|
<xsl:value-of select="$uriB"/>
|
||
|
|
</xsl:otherwise>
|
||
|
|
</xsl:choose>
|
||
|
|
</xsl:otherwise>
|
||
|
|
</xsl:choose>
|
||
|
|
</xsl:template>
|
||
|
|
|
||
|
|
</xsl:stylesheet>
|