wayland/doc/publican/merge-mapcoords.xsl
Jon Cruz 8cf9a367c9 doc: Create hot-linked areas in documents.
Added xslt processing to give DocBook output diagram image maps/hot-linked
areas consistent with those automatically generated by Doxygen.

Signed-off-by: Jon A. Cruz <jonc@osg.samsung.com>
2015-01-28 17:43:18 -08:00

65 lines
2.3 KiB
XML

<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:param name="basedir"/>
<xsl:output method="xml" encoding="utf-8" indent="yes"/>
<!-- -->
<!-- Template for the root so we can add a DOCTYPE -->
<xsl:template match="/">
<xsl:text disable-output-escaping="yes"><![CDATA[<!DOCTYPE chapter PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
<!ENTITY % BOOK_ENTITIES SYSTEM "Wayland.ent">
%BOOK_ENTITIES;
]>
]]></xsl:text>
<xsl:apply-templates select="@*|node()"/>
</xsl:template>
<!-- -->
<xsl:template match="@*|node()">
<xsl:copy>
<xsl:apply-templates select="@*|node()"/>
</xsl:copy>
</xsl:template>
<!-- -->
<!-- suppress existing image map areas -->
<xsl:template match="area"/>
<!-- -->
<xsl:template match="areaspec[area][name(..)='imageobjectco']">
<xsl:element name="areaspec">
<xsl:apply-templates select="@*"/>
<xsl:text>&#xa;</xsl:text>
<xsl:variable name="pngfile" select="../imageobject/imagedata/@fileref"/>
<xsl:variable name="mapfile" select="concat(substring($pngfile, 1, string-length($pngfile)-3), 'map')"/>
<xsl:variable name="maproot" select="document(concat($basedir, '/', $mapfile))"/>
<!-- -->
<!-- now emit the needed areas -->
<xsl:for-each select="area">
<xsl:variable name="anchor" select="."/>
<xsl:variable name="other" select="($maproot)//area[@href=($anchor)/@x_steal]"/>
<xsl:choose>
<xsl:when test="$other">
<xsl:text>&#x9; </xsl:text>
<xsl:element name="area">
<xsl:attribute name="id">
<xsl:value-of select="@id"/>
</xsl:attribute>
<xsl:attribute name="linkends">
<xsl:value-of select="@linkends"/>
</xsl:attribute>
<xsl:attribute name="coords">
<xsl:value-of select="($other)/@coords"/>
</xsl:attribute>
</xsl:element>
</xsl:when>
<xsl:otherwise>
<xsl:text>&#x9; </xsl:text>
<xsl:comment>
<xsl:value-of select="concat('Warning: unable to locate area tagged ', ($anchor)/@x_steal)"/>
</xsl:comment>
</xsl:otherwise>
</xsl:choose>
<xsl:text>&#xa;</xsl:text>
</xsl:for-each>
<!-- -->
<xsl:text>&#x9; </xsl:text>
</xsl:element>
</xsl:template>
</xsl:stylesheet>