mapnik/scons/scons-local-4.1.0/SCons/Tool/docbook/docbook-xsl-1.76.1/fo/math.xsl
2021-03-05 10:18:26 +00:00

140 lines
4.7 KiB
XML

<?xml version='1.0'?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:fo="http://www.w3.org/1999/XSL/Format"
xmlns:mml="http://www.w3.org/1998/Math/MathML"
exclude-result-prefixes="mml"
version='1.0'>
<!-- ********************************************************************
$Id: math.xsl 7503 2007-10-08 01:57:30Z xmldoc $
********************************************************************
This file is part of the XSL DocBook Stylesheet distribution.
See ../README or http://docbook.sf.net/release/xsl/current/ for
copyright and other information.
******************************************************************** -->
<xsl:template match="inlineequation">
<xsl:choose>
<xsl:when test="$passivetex.extensions != 0 and $tex.math.in.alt != ''">
<xsl:apply-templates select="alt[@role='tex'] | inlinemediaobject/textobject[@role='tex']">
<xsl:with-param name="output.delims">
<xsl:call-template name="tex.math.output.delims"/>
</xsl:with-param>
</xsl:apply-templates>
</xsl:when>
<xsl:otherwise>
<xsl:apply-templates/>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<xsl:template match="alt">
</xsl:template>
<xsl:template match="mathphrase">
<fo:inline>
<xsl:apply-templates/>
</fo:inline>
</xsl:template>
<!-- "Support" for MathML -->
<xsl:template match="mml:math" xmlns:mml="http://www.w3.org/1998/Math/MathML">
<xsl:choose>
<!-- * If user is using passivetex, we don't wrap the output in -->
<!-- * fo:instream-foreign-object (which passivetex doesn't support). -->
<xsl:when test="not($passivetex.extensions = 0)">
<xsl:copy>
<xsl:copy-of select="@*"/>
<xsl:apply-templates/>
</xsl:copy>
</xsl:when>
<xsl:otherwise>
<fo:instream-foreign-object>
<xsl:copy>
<xsl:copy-of select="@*"/>
<xsl:apply-templates/>
</xsl:copy>
</fo:instream-foreign-object>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<xsl:template match="mml:*" xmlns:mml="http://www.w3.org/1998/Math/MathML">
<xsl:copy>
<xsl:copy-of select="@*"/>
<xsl:apply-templates/>
</xsl:copy>
</xsl:template>
<xsl:template match="equation/graphic | informalequation/graphic">
<xsl:if test="$passivetex.extensions = 0 or $tex.math.in.alt = ''">
<fo:block>
<xsl:call-template name="process.image"/>
</fo:block>
</xsl:if>
</xsl:template>
<xsl:template match="inlineequation/alt[@role='tex'] |
inlineequation/inlinemediaobject/textobject[@role='tex']" priority="1">
<xsl:param name="output.delims" select="1"/>
<xsl:if test="$passivetex.extensions != 0 and $tex.math.in.alt != ''">
<xsl:processing-instruction name="xmltex">
<xsl:if test="$output.delims != 0">
<xsl:text>$</xsl:text>
</xsl:if>
<xsl:value-of select="."/>
<xsl:if test="$output.delims != 0">
<xsl:text>$</xsl:text>
</xsl:if>
</xsl:processing-instruction>
</xsl:if>
</xsl:template>
<xsl:template match="equation/alt[@role='tex'] | informalequation/alt[@role='tex'] |
equation/mediaobject/textobject[@role='tex'] |
informalequation/mediaobject/textobject[@role='tex']" priority="1">
<xsl:variable name="output.delims">
<xsl:call-template name="tex.math.output.delims"/>
</xsl:variable>
<xsl:if test="$passivetex.extensions != 0 and $tex.math.in.alt != ''">
<xsl:processing-instruction name="xmltex">
<xsl:if test="$output.delims != 0">
<xsl:text>$$</xsl:text>
</xsl:if>
<xsl:value-of select="."/>
<xsl:if test="$output.delims != 0">
<xsl:text>$$</xsl:text>
</xsl:if>
</xsl:processing-instruction>
</xsl:if>
</xsl:template>
<xsl:template match="alt[@role='tex']">
<xsl:if test="$passivetex.extensions != 0 and $tex.math.in.alt != ''">
<xsl:message>
Your equation is misplaced. It should be in inlineequation, equation or informalequation.
</xsl:message>
</xsl:if>
</xsl:template>
<xsl:template name="tex.math.output.delims">
<xsl:variable name="pi.delims">
<xsl:call-template name="pi-attribute">
<xsl:with-param name="pis" select=".//processing-instruction('dbtex')"/>
<xsl:with-param name="attribute" select="'delims'"/>
</xsl:call-template>
</xsl:variable>
<xsl:variable name="result">
<xsl:choose>
<xsl:when test="$pi.delims = 'no'">0</xsl:when>
<xsl:when test="$pi.delims = '' and $tex.math.delims = 0">0</xsl:when>
<xsl:otherwise>1</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<xsl:value-of select="$result"/>
</xsl:template>
</xsl:stylesheet>