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f609d745b1
* doc/symbols.xml: the source for all exported symbols * doc/checkapisym.xsl: used to check libxml2-api.xml against exported symbols * doc/syms.xsl: stylesheet regenerating libxml2.syms from symbols.xml * doc/Makefile.am libxml2.syms: add the new rules and the generated version
100 lines
2.9 KiB
XML
100 lines
2.9 KiB
XML
<?xml version="1.0"?>
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<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
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version="1.0">
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<xsl:output method="text" encoding="UTF-8"/>
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<xsl:variable name="api" select="document('libxml2-api.xml')"/>
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<xsl:template match="/">
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<xsl:text>#
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# Officially exported symbols, for which header
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# file definitions are installed in /usr/include/libxml2
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#
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# Automatically generated from symbols.xml and syms.xsl
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#
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# Versions here are *fixed* to match the libxml2 version
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# at which the symbol was introduced. This ensures that
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# a new client app requiring symbol foo() can't accidentally
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# run with old libxml2.so not providing foo() - the global
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# soname version info can't enforce this since we never
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# change the soname
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#
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</xsl:text>
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<xsl:apply-templates select="/symbols/release"/>
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</xsl:template>
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<xsl:template match="release">
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<xsl:variable name="prev"
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select="preceding-sibling::release[position()=1]"/>
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<xsl:text>LIBXML2_</xsl:text>
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<xsl:value-of select="string(@version)"/>
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<xsl:text> {
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global:
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</xsl:text>
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<xsl:for-each select="symbol">
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<xsl:if test="string(preceding-sibling::symbol[position()=1]/@file) != string(@file)">
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<xsl:text>
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# </xsl:text>
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<xsl:value-of select="@file"/>
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<xsl:text>
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</xsl:text>
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</xsl:if>
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<xsl:apply-templates select="."/>
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</xsl:for-each>
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<xsl:text>} </xsl:text>
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<xsl:if test="$prev">
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<xsl:text>LIBXML2_</xsl:text>
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<xsl:value-of select="$prev/@version"/>
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</xsl:if>
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<xsl:text>;
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</xsl:text>
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</xsl:template>
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<xsl:template match="symbol">
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<xsl:variable name="name" select="string(.)"/>
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<xsl:variable name="file" select="string(@file)"/>
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<xsl:choose>
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<xsl:when test="@removed">
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<xsl:text># </xsl:text>
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<xsl:value-of select="$name"/>
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<xsl:text>; removed in </xsl:text>
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<xsl:value-of select="@removed"/>
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<xsl:text>
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</xsl:text>
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</xsl:when>
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<xsl:otherwise>
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<!-- make sure we can find that symbol exported from the API list -->
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<xsl:variable name="def"
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select="$api/api/files/file[@name = $file]/exports[@symbol = $name]"/>
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<xsl:if test="string($def/@symbol) != $name">
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<xsl:message terminate="yes">
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<xsl:text>Failed to find definition in libxml2-api.xml:</xsl:text>
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<xsl:value-of select="$name"/>
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</xsl:message>
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</xsl:if>
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<xsl:text> </xsl:text>
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<xsl:value-of select="$name"/>
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<xsl:text>;</xsl:text>
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<xsl:if test="$def/@type = 'variable'">
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<xsl:text> # variable</xsl:text>
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</xsl:if>
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<xsl:if test="@comment">
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<xsl:text># </xsl:text>
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<xsl:value-of select="@comment"/>
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<xsl:text>
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</xsl:text>
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</xsl:if>
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<xsl:text>
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</xsl:text>
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</xsl:otherwise>
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</xsl:choose>
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</xsl:template>
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</xsl:stylesheet>
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