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="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 1.11 2003/08/07 17:04:43 bobstayton 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 $linenumbering.extension != '0'">
53          <div class="{name(.)}">
54            <xsl:call-template name="number.rtf.lines">
55              <xsl:with-param name="rtf" select="$rtf-with-callouts"/>
56              <xsl:with-param name="pi.context"
57                              select="programlisting|screen"/>
58            </xsl:call-template>
59            <xsl:apply-templates select="calloutlist"/>
60          </div>
61        </xsl:when>
62        <xsl:otherwise>
63          <div class="{name(.)}">
64            <xsl:copy-of select="$rtf-with-callouts"/>
65            <xsl:apply-templates select="calloutlist"/>
66          </div>
67        </xsl:otherwise>
68      </xsl:choose>
69    </xsl:when>
70    <xsl:otherwise>
71      <div class="{name(.)}">
72        <xsl:apply-templates/>
73      </div>
74    </xsl:otherwise>
75  </xsl:choose>
76</xsl:template>
77
78<xsl:template match="areaspec|areaset|area">
79</xsl:template>
80
81<xsl:template match="areaset" mode="conumber">
82  <xsl:number count="area|areaset" format="1"/>
83</xsl:template>
84
85<xsl:template match="area" mode="conumber">
86  <xsl:number count="area|areaset" format="1"/>
87</xsl:template>
88
89<xsl:template match="co" name="co">
90  <!-- Support a single linkend in HTML -->
91  <xsl:variable name="targets" select="key('id', @linkends)"/>
92  <xsl:variable name="target" select="$targets[1]"/>
93  <xsl:choose>
94    <xsl:when test="$target">
95      <a>
96        <xsl:if test="@id">
97          <xsl:attribute name="name">
98            <xsl:value-of select="@id"/>
99          </xsl:attribute>
100        </xsl:if>
101        <xsl:attribute name="href">
102          <xsl:call-template name="href.target">
103            <xsl:with-param name="object" select="$target"/>
104          </xsl:call-template>
105        </xsl:attribute>
106        <xsl:apply-templates select="." mode="callout-bug"/>
107      </a>
108    </xsl:when>
109    <xsl:otherwise>
110      <xsl:call-template name="anchor"/>
111      <xsl:apply-templates select="." mode="callout-bug"/>
112    </xsl:otherwise>
113  </xsl:choose>
114</xsl:template>
115
116<xsl:template match="coref">
117  <!-- tricky; this relies on the fact that we can process the "co" that's -->
118  <!-- "over there" as if it were "right here" -->
119
120  <xsl:variable name="co" select="key('id', @linkend)"/>
121  <xsl:choose>
122    <xsl:when test="not($co)">
123      <xsl:message>
124        <xsl:text>Error: coref link is broken: </xsl:text>
125        <xsl:value-of select="@linkend"/>
126      </xsl:message>
127    </xsl:when>
128    <xsl:when test="local-name($co) != 'co'">
129      <xsl:message>
130        <xsl:text>Error: coref doesn't point to a co: </xsl:text>
131        <xsl:value-of select="@linkend"/>
132      </xsl:message>
133    </xsl:when>
134    <xsl:otherwise>
135      <xsl:apply-templates select="$co"/>
136    </xsl:otherwise>
137  </xsl:choose>
138</xsl:template>
139
140<xsl:template match="co" mode="callout-bug">
141  <xsl:call-template name="callout-bug">
142    <xsl:with-param name="conum">
143      <xsl:number count="co"
144                  level="any"
145                  from="programlisting|screen|literallayout|synopsis"
146                  format="1"/>
147    </xsl:with-param>
148  </xsl:call-template>
149</xsl:template>
150
151<xsl:template name="callout-bug">
152  <xsl:param name="conum" select='1'/>
153
154  <xsl:choose>
155    <xsl:when test="$callout.graphics != 0
156                    and $conum &lt;= $callout.graphics.number.limit">
157      <img src="{$callout.graphics.path}{$conum}{$callout.graphics.extension}"
158           alt="{$conum}" border="0"/>
159    </xsl:when>
160    <xsl:when test="$callout.unicode != 0
161                    and $conum &lt;= $callout.unicode.number.limit">
162      <xsl:choose>
163        <xsl:when test="$callout.unicode.start.character = 10102">
164          <xsl:choose>
165            <xsl:when test="$conum = 1">&#10102;</xsl:when>
166            <xsl:when test="$conum = 2">&#10103;</xsl:when>
167            <xsl:when test="$conum = 3">&#10104;</xsl:when>
168            <xsl:when test="$conum = 4">&#10105;</xsl:when>
169            <xsl:when test="$conum = 5">&#10106;</xsl:when>
170            <xsl:when test="$conum = 6">&#10107;</xsl:when>
171            <xsl:when test="$conum = 7">&#10108;</xsl:when>
172            <xsl:when test="$conum = 8">&#10109;</xsl:when>
173            <xsl:when test="$conum = 9">&#10110;</xsl:when>
174            <xsl:when test="$conum = 10">&#10111;</xsl:when>
175          </xsl:choose>
176        </xsl:when>
177        <xsl:otherwise>
178          <xsl:message>
179            <xsl:text>Don't know how to generate Unicode callouts </xsl:text>
180            <xsl:text>when $callout.unicode.start.character is </xsl:text>
181            <xsl:value-of select="$callout.unicode.start.character"/>
182          </xsl:message>
183          <xsl:text>(</xsl:text>
184          <xsl:value-of select="$conum"/>
185          <xsl:text>)</xsl:text>
186        </xsl:otherwise>
187      </xsl:choose>
188    </xsl:when>
189    <xsl:otherwise>
190      <xsl:text>(</xsl:text>
191      <xsl:value-of select="$conum"/>
192      <xsl:text>)</xsl:text>
193    </xsl:otherwise>
194  </xsl:choose>
195</xsl:template>
196
197</xsl:stylesheet>
198