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-rw-r--r--fo/math.xsl140
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+<?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 9375 2012-05-24 16:33:32Z bobstayton $
+ ********************************************************************
+
+ 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="$tex.math.in.alt = ''">
+ <fo:block>
+ <xsl:call-template name="process.image"/>
+ </fo:block>
+ </xsl:if>
+</xsl:template>
+
+<xsl:template match="inlineequation/alt[@role='tex'] |
+ inlineequation/inlinemediaobject/textobject[@role='tex']" priority="1">
+ <xsl:param name="output.delims" select="1"/>
+ <xsl:if test="$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>