doc/docbook-xsl/html/callout.xsl

   1 <?xml version='1.0'?>
   2 <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
   3                 xmlns:sverb="http://nwalsh.com/xslt/ext/com.nwalsh.saxon.Verbatim"
   4                 xmlns:xverb="xalan://com.nwalsh.xalan.Verbatim"
   5                 xmlns:lxslt="http://xml.apache.org/xslt"
   6                 exclude-result-prefixes="sverb xverb lxslt"
   7                 version='1.0'>
   8
   9 <!-- ********************************************************************
  10      $Id: callout.xsl,v 1.1 2007/03/10 05:15:13 scott Exp $
  11      ********************************************************************
  12
  13      This file is part of the XSL DocBook Stylesheet distribution.
  14      See ../README or http://nwalsh.com/docbook/xsl/ for copyright
  15      and other information.
  16
  17      ******************************************************************** -->
  18
  19 <lxslt:component prefix="xverb"
  20                  functions="insertCallouts"/>
  21
  22 <xsl:template match="programlistingco|screenco">
  23   <xsl:variable name="verbatim" select="programlisting|screen"/>
  24
  25   <xsl:choose>
  26     <xsl:when test="$use.extensions != '0'
  27                     and $callouts.extension != '0'">
  28       <xsl:variable name="rtf">
  29         <xsl:apply-templates select="$verbatim">
  30           <xsl:with-param name="suppress-numbers" select="'1'"/>
  31         </xsl:apply-templates>
  32       </xsl:variable>
  33
  34       <xsl:variable name="rtf-with-callouts">
  35         <xsl:choose>
  36           <xsl:when test="function-available('sverb:insertCallouts')">
  37             <xsl:copy-of select="sverb:insertCallouts(areaspec,$rtf)"/>
  38           </xsl:when>
  39           <xsl:when test="function-available('xverb:insertCallouts')">
  40             <xsl:copy-of select="xverb:insertCallouts(areaspec,$rtf)"/>
  41           </xsl:when>
  42           <xsl:otherwise>
  43             <xsl:message terminate="yes">
  44               <xsl:text>No insertCallouts function is available.</xsl:text>
  45             </xsl:message>
  46           </xsl:otherwise>
  47         </xsl:choose>
  48       </xsl:variable>
  49
  50       <xsl:choose>
  51         <xsl:when test="$verbatim/@linenumbering = 'numbered'
  52                         and $linenumbering.extension != '0'">
  53           <div>
  54             <xsl:apply-templates select="." mode="class.attribute"/>
  55             <xsl:call-template name="number.rtf.lines">
  56               <xsl:with-param name="rtf" select="$rtf-with-callouts"/>
  57               <xsl:with-param name="pi.context"
  58                               select="programlisting|screen"/>
  59             </xsl:call-template>
  60             <xsl:apply-templates select="calloutlist"/>
  61           </div>
  62         </xsl:when>
  63         <xsl:otherwise>
  64           <div>
  65             <xsl:apply-templates select="." mode="class.attribute"/>
  66             <xsl:copy-of select="$rtf-with-callouts"/>
  67             <xsl:apply-templates select="calloutlist"/>
  68           </div>
  69         </xsl:otherwise>
  70       </xsl:choose>
  71     </xsl:when>
  72     <xsl:otherwise>
  73       <div>
  74         <xsl:apply-templates select="." mode="class.attribute"/>
  75         <xsl:apply-templates/>
  76       </div>
  77     </xsl:otherwise>
  78   </xsl:choose>
  79 </xsl:template>
  80
  81 <xsl:template match="areaspec|areaset|area">
  82 </xsl:template>
  83
  84 <xsl:template match="areaset" mode="conumber">
  85   <xsl:number count="area|areaset" format="1"/>
  86 </xsl:template>
  87
  88 <xsl:template match="area" mode="conumber">
  89   <xsl:number count="area|areaset" format="1"/>
  90 </xsl:template>
  91
  92 <xsl:template match="co" name="co">
  93   <!-- Support a single linkend in HTML -->
  94   <xsl:variable name="targets" select="key('id', @linkends)"/>
  95   <xsl:variable name="target" select="$targets[1]"/>
  96   <xsl:choose>
  97     <xsl:when test="$target">
  98       <a>
  99         <xsl:apply-templates select="." mode="class.attribute"/>
 100         <xsl:if test="@id or @xml:id">
 101           <xsl:attribute name="name">
 102             <xsl:value-of select="(@id|@xml:id)[1]"/>
 103           </xsl:attribute>
 104         </xsl:if>
 105         <xsl:attribute name="href">
 106           <xsl:call-template name="href.target">
 107             <xsl:with-param name="object" select="$target"/>
 108           </xsl:call-template>
 109         </xsl:attribute>
 110         <xsl:apply-templates select="." mode="callout-bug"/>
 111       </a>
 112     </xsl:when>
 113     <xsl:otherwise>
 114       <xsl:call-template name="anchor"/>
 115       <xsl:apply-templates select="." mode="callout-bug"/>
 116     </xsl:otherwise>
 117   </xsl:choose>
 118 </xsl:template>
 119
 120 <xsl:template match="coref">
 121   <!-- tricky; this relies on the fact that we can process the "co" that's -->
 122   <!-- "over there" as if it were "right here" -->
 123
 124   <xsl:variable name="co" select="key('id', @linkend)"/>
 125   <xsl:choose>
 126     <xsl:when test="not($co)">
 127       <xsl:message>
 128         <xsl:text>Error: coref link is broken: </xsl:text>
 129         <xsl:value-of select="@linkend"/>
 130       </xsl:message>
 131     </xsl:when>
 132     <xsl:when test="local-name($co) != 'co'">
 133       <xsl:message>
 134         <xsl:text>Error: coref doesn't point to a co: </xsl:text>
 135         <xsl:value-of select="@linkend"/>
 136       </xsl:message>
 137     </xsl:when>
 138     <xsl:otherwise>
 139       <xsl:apply-templates select="$co"/>
 140     </xsl:otherwise>
 141   </xsl:choose>
 142 </xsl:template>
 143
 144 <xsl:template match="co" mode="callout-bug">
 145   <xsl:call-template name="callout-bug">
 146     <xsl:with-param name="conum">
 147       <xsl:number count="co"
 148                   level="any"
 149                   from="programlisting|screen|literallayout|synopsis"
 150                   format="1"/>
 151     </xsl:with-param>
 152   </xsl:call-template>
 153 </xsl:template>
 154
 155 <xsl:template name="callout-bug">
 156   <xsl:param name="conum" select='1'/>
 157
 158   <xsl:choose>
 159     <xsl:when test="$callout.graphics != 0
 160                     and $conum &lt;= $callout.graphics.number.limit">
 161       <img src="{$callout.graphics.path}{$conum}{$callout.graphics.extension}"
 162            alt="{$conum}" border="0"/>
 163     </xsl:when>
 164     <xsl:when test="$callout.unicode != 0
 165                     and $conum &lt;= $callout.unicode.number.limit">
 166       <xsl:choose>
 167         <xsl:when test="$callout.unicode.start.character = 10102">
 168           <xsl:choose>
 169             <xsl:when test="$conum = 1">&#10102;</xsl:when>
 170             <xsl:when test="$conum = 2">&#10103;</xsl:when>
 171             <xsl:when test="$conum = 3">&#10104;</xsl:when>
 172             <xsl:when test="$conum = 4">&#10105;</xsl:when>
 173             <xsl:when test="$conum = 5">&#10106;</xsl:when>
 174             <xsl:when test="$conum = 6">&#10107;</xsl:when>
 175             <xsl:when test="$conum = 7">&#10108;</xsl:when>
 176             <xsl:when test="$conum = 8">&#10109;</xsl:when>
 177             <xsl:when test="$conum = 9">&#10110;</xsl:when>
 178             <xsl:when test="$conum = 10">&#10111;</xsl:when>
 179           </xsl:choose>
 180         </xsl:when>
 181         <xsl:otherwise>
 182           <xsl:message>
 183             <xsl:text>Don't know how to generate Unicode callouts </xsl:text>
 184             <xsl:text>when $callout.unicode.start.character is </xsl:text>
 185             <xsl:value-of select="$callout.unicode.start.character"/>
 186           </xsl:message>
 187           <xsl:text>(</xsl:text>
 188           <xsl:value-of select="$conum"/>
 189           <xsl:text>)</xsl:text>
 190         </xsl:otherwise>
 191       </xsl:choose>
 192     </xsl:when>
 193     <xsl:otherwise>
 194       <xsl:text>(</xsl:text>
 195       <xsl:value-of select="$conum"/>
 196       <xsl:text>)</xsl:text>
 197     </xsl:otherwise>
 198   </xsl:choose>
 199 </xsl:template>
 200
 201 </xsl:stylesheet>