1 | <?xml version='1.0'?>
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2 | <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
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3 | xmlns:fo="http://www.w3.org/1999/XSL/Format"
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4 | xmlns:sverb="http://nwalsh.com/xslt/ext/com.nwalsh.saxon.Verbatim"
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5 | xmlns:xverb="com.nwalsh.xalan.Verbatim"
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6 | xmlns:lxslt="http://xml.apache.org/xslt"
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7 | exclude-result-prefixes="sverb xverb lxslt"
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8 | version='1.0'>
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9 |
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10 | <!-- ********************************************************************
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11 | $Id: callout.xsl 9668 2012-11-28 00:47:59Z bobstayton $
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12 | ********************************************************************
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13 |
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14 | This file is part of the XSL DocBook Stylesheet distribution.
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15 | See ../README or http://docbook.sf.net/release/xsl/current/ for
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16 | copyright and other information.
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17 |
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18 | ******************************************************************** -->
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19 |
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20 | <lxslt:component prefix="xverb"
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21 | functions="insertCallouts"/>
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22 |
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23 | <xsl:template match="programlistingco|screenco">
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24 | <xsl:variable name="verbatim" select="programlisting|screen"/>
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25 | <xsl:variable name="vendor" select="system-property('xsl:vendor')"/>
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26 |
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27 | <xsl:choose>
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28 | <xsl:when test="$use.extensions != '0'
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29 | and $callouts.extension != '0'">
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30 | <xsl:variable name="rtf">
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31 | <xsl:apply-templates select="$verbatim">
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32 | <xsl:with-param name="suppress-numbers" select="'1'"/>
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33 | </xsl:apply-templates>
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34 | </xsl:variable>
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35 |
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36 | <xsl:variable name="rtf-with-callouts">
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37 | <xsl:choose>
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38 | <xsl:when test="contains($vendor, 'SAXON ')">
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39 | <xsl:copy-of select="sverb:insertCallouts(areaspec,$rtf)"/>
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40 | </xsl:when>
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41 | <xsl:when test="contains($vendor, 'Apache Software Foundation')">
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42 | <xsl:copy-of select="xverb:insertCallouts(areaspec,$rtf)"/>
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43 | </xsl:when>
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44 | <xsl:otherwise>
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45 | <xsl:message terminate="yes">
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46 | <xsl:text>Don't know how to do callouts with </xsl:text>
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47 | <xsl:value-of select="$vendor"/>
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48 | </xsl:message>
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49 | </xsl:otherwise>
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50 | </xsl:choose>
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51 | </xsl:variable>
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52 |
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53 | <xsl:choose>
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54 | <xsl:when test="$verbatim/@linenumbering = 'numbered'
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55 | and $linenumbering.extension != '0'">
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56 | <xsl:call-template name="number.rtf.lines">
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57 | <xsl:with-param name="rtf" select="$rtf-with-callouts"/>
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58 | <xsl:with-param name="pi.context"
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59 | select="programlisting|screen"/>
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60 | </xsl:call-template>
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61 | <xsl:apply-templates select="calloutlist"/>
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62 | </xsl:when>
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63 | <xsl:otherwise>
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64 | <xsl:copy-of select="$rtf-with-callouts"/>
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65 | <xsl:apply-templates select="calloutlist"/>
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66 | </xsl:otherwise>
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67 | </xsl:choose>
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68 | </xsl:when>
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69 | <xsl:otherwise>
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70 | <xsl:apply-templates/>
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71 | </xsl:otherwise>
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72 | </xsl:choose>
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73 | </xsl:template>
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74 |
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75 | <xsl:template match="areaspec|areaset|area">
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76 | </xsl:template>
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77 |
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78 | <xsl:template match="areaset" mode="conumber">
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79 | <xsl:number count="area|areaset" format="1"/>
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80 | </xsl:template>
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81 |
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82 | <xsl:template match="area" mode="conumber">
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83 | <xsl:number count="area|areaset" format="1"/>
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84 | </xsl:template>
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85 |
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86 | <xsl:template match="co">
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87 | <xsl:param name="coref"/>
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88 | <!-- link to the callout? -->
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89 | <xsl:variable name="linkend">
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90 | <xsl:choose>
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91 | <!-- if more than one target, choose the first -->
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92 | <xsl:when test="contains(normalize-space(@linkends), ' ')">
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93 | <xsl:value-of select="substring-before(normalize-space(@linkends), ' ')"/>
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94 | </xsl:when>
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95 | <xsl:when test="string-length(normalize-space(@linkends)) != 0">
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96 | <xsl:value-of select="normalize-space(@linkends)"/>
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97 | </xsl:when>
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98 | <xsl:otherwise>
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99 | </xsl:otherwise>
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100 | </xsl:choose>
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101 | </xsl:variable>
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102 |
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103 | <xsl:choose>
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104 | <xsl:when test="string-length($linkend) != 0">
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105 | <fo:basic-link internal-destination="{$linkend}">
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106 | <xsl:choose>
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107 | <xsl:when test="$coref">
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108 | <xsl:call-template name="anchor">
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109 | <xsl:with-param name="node" select="$coref"/>
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110 | <xsl:with-param name="conditional" select="0"/>
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111 | </xsl:call-template>
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112 | </xsl:when>
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113 | <xsl:otherwise>
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114 | <xsl:call-template name="anchor">
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115 | <xsl:with-param name="conditional" select="0"/>
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116 | </xsl:call-template>
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117 | </xsl:otherwise>
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118 | </xsl:choose>
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119 | <xsl:apply-templates select="." mode="callout-bug"/>
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120 | </fo:basic-link>
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121 | </xsl:when>
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122 | <xsl:otherwise>
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123 | <fo:inline>
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124 | <xsl:choose>
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125 | <xsl:when test="$coref">
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126 | <xsl:call-template name="anchor">
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127 | <xsl:with-param name="node" select="$coref"/>
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128 | <xsl:with-param name="conditional" select="0"/>
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129 | </xsl:call-template>
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130 | </xsl:when>
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131 | <xsl:otherwise>
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132 | <xsl:call-template name="anchor">
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133 | <xsl:with-param name="conditional" select="0"/>
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134 | </xsl:call-template>
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135 | </xsl:otherwise>
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136 | </xsl:choose>
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137 | <xsl:apply-templates select="." mode="callout-bug"/>
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138 | </fo:inline>
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139 | </xsl:otherwise>
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140 | </xsl:choose>
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141 | </xsl:template>
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142 |
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143 | <xsl:template match="coref">
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144 | <!-- this relies on the fact that we can process the "co" that's -->
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145 | <!-- "over there" as if it were "right here" -->
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146 |
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147 | <xsl:variable name="co" select="key('id', @linkend)"/>
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148 | <xsl:choose>
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149 | <xsl:when test="not($co)">
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150 | <xsl:message>
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151 | <xsl:text>Error: coref link is broken: </xsl:text>
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152 | <xsl:value-of select="@linkend"/>
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153 | </xsl:message>
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154 | </xsl:when>
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155 | <xsl:when test="local-name($co) != 'co'">
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156 | <xsl:message>
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157 | <xsl:text>Error: coref doesn't point to a co: </xsl:text>
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158 | <xsl:value-of select="@linkend"/>
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159 | </xsl:message>
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160 | </xsl:when>
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161 | <xsl:otherwise>
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162 | <!-- process it as if it were the co itself -->
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163 | <xsl:apply-templates select="$co">
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164 | <xsl:with-param name="coref" select="."/>
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165 | </xsl:apply-templates>
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166 | </xsl:otherwise>
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167 | </xsl:choose>
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168 | </xsl:template>
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169 |
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170 | <xsl:template match="co" mode="callout-bug">
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171 | <xsl:call-template name="callout-bug">
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172 | <xsl:with-param name="conum">
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173 | <xsl:number count="co"
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174 | level="any"
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175 | from="programlisting|screen|literallayout|synopsis"
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176 | format="1"/>
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177 | </xsl:with-param>
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178 | </xsl:call-template>
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179 | </xsl:template>
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180 |
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181 | <xsl:template name="callout-bug">
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182 | <xsl:param name="conum" select='1'/>
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183 |
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184 | <xsl:choose>
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185 | <!-- Draw callouts as images -->
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186 | <xsl:when test="$callout.graphics != '0'
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187 | and $conum <= $callout.graphics.number.limit">
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188 | <xsl:variable name="filename"
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189 | select="concat($callout.graphics.path, $conum,
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190 | $callout.graphics.extension)"/>
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191 |
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192 | <fo:external-graphic content-width="{$callout.icon.size}"
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193 | width="{$callout.icon.size}">
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194 | <xsl:attribute name="src">
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195 | <xsl:choose>
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196 | <xsl:when test="$fop.extensions != 0
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197 | or $arbortext.extensions != 0">
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198 | <xsl:value-of select="$filename"/>
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199 | </xsl:when>
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200 | <xsl:otherwise>
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201 | <xsl:text>url(</xsl:text>
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202 | <xsl:value-of select="$filename"/>
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203 | <xsl:text>)</xsl:text>
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204 | </xsl:otherwise>
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205 | </xsl:choose>
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206 | </xsl:attribute>
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207 | </fo:external-graphic>
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208 | </xsl:when>
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209 |
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210 | <xsl:when test="$callout.unicode != 0
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211 | and $conum <= $callout.unicode.number.limit">
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212 | <xsl:variable name="comarkup">
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213 | <xsl:choose>
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214 | <xsl:when test="$callout.unicode.start.character = 10102">
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215 | <xsl:choose>
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216 | <xsl:when test="$conum = 1">❶</xsl:when>
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217 | <xsl:when test="$conum = 2">❷</xsl:when>
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218 | <xsl:when test="$conum = 3">❸</xsl:when>
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219 | <xsl:when test="$conum = 4">❹</xsl:when>
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220 | <xsl:when test="$conum = 5">❺</xsl:when>
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221 | <xsl:when test="$conum = 6">❻</xsl:when>
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222 | <xsl:when test="$conum = 7">❼</xsl:when>
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223 | <xsl:when test="$conum = 8">❽</xsl:when>
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224 | <xsl:when test="$conum = 9">❾</xsl:when>
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225 | <xsl:when test="$conum = 10">❿</xsl:when>
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226 | <xsl:when test="$conum = 11">⓫</xsl:when>
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227 | <xsl:when test="$conum = 12">⓬</xsl:when>
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228 | <xsl:when test="$conum = 13">⓭</xsl:when>
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229 | <xsl:when test="$conum = 14">⓮</xsl:when>
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230 | <xsl:when test="$conum = 15">⓯</xsl:when>
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231 | <xsl:when test="$conum = 16">⓰</xsl:when>
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232 | <xsl:when test="$conum = 17">⓱</xsl:when>
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233 | <xsl:when test="$conum = 18">⓲</xsl:when>
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234 | <xsl:when test="$conum = 19">⓳</xsl:when>
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235 | <xsl:when test="$conum = 20">⓴</xsl:when>
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236 | </xsl:choose>
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237 | </xsl:when>
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238 | <xsl:when test="$callout.unicode.start.character = 9312">
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239 | <xsl:choose>
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240 | <xsl:when test="$conum = 1">①</xsl:when>
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241 | <xsl:when test="$conum = 2">②</xsl:when>
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242 | <xsl:when test="$conum = 3">③</xsl:when>
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243 | <xsl:when test="$conum = 4">④</xsl:when>
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244 | <xsl:when test="$conum = 5">⑤</xsl:when>
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245 | <xsl:when test="$conum = 6">⑥</xsl:when>
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246 | <xsl:when test="$conum = 7">⑦</xsl:when>
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247 | <xsl:when test="$conum = 8">⑧</xsl:when>
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248 | <xsl:when test="$conum = 9">⑨</xsl:when>
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249 | <xsl:when test="$conum = 10">⑩</xsl:when>
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250 | <xsl:when test="$conum = 11">⑪</xsl:when>
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251 | <xsl:when test="$conum = 12">⑫</xsl:when>
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252 | <xsl:when test="$conum = 13">⑬</xsl:when>
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253 | <xsl:when test="$conum = 14">⑭</xsl:when>
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254 | <xsl:when test="$conum = 15">⑮</xsl:when>
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255 | <xsl:when test="$conum = 16">⑯</xsl:when>
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256 | <xsl:when test="$conum = 17">⑰</xsl:when>
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257 | <xsl:when test="$conum = 18">⑱</xsl:when>
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258 | <xsl:when test="$conum = 19">⑲</xsl:when>
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259 | <xsl:when test="$conum = 20">⑳</xsl:when>
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260 | </xsl:choose>
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261 | </xsl:when>
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262 | <xsl:otherwise>
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263 | <xsl:message>
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264 | <xsl:text>Don't know how to generate Unicode callouts </xsl:text>
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265 | <xsl:text>when $callout.unicode.start.character is </xsl:text>
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266 | <xsl:value-of select="$callout.unicode.start.character"/>
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267 | </xsl:message>
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268 | <fo:inline background-color="#404040"
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269 | color="white"
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270 | padding-top="0.1em"
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271 | padding-bottom="0.1em"
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272 | padding-start="0.2em"
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273 | padding-end="0.2em"
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274 | baseline-shift="0.1em"
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275 | font-family="{$body.fontset}"
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276 | font-weight="bold"
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277 | font-size="75%">
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278 | <xsl:value-of select="$conum"/>
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279 | </fo:inline>
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280 | </xsl:otherwise>
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281 | </xsl:choose>
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282 | </xsl:variable>
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283 |
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284 | <xsl:choose>
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285 | <xsl:when test="$callout.unicode.font != ''">
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286 | <fo:inline font-family="{$callout.unicode.font}">
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287 | <xsl:copy-of select="$comarkup"/>
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288 | </fo:inline>
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289 | </xsl:when>
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290 | <xsl:otherwise>
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291 | <xsl:copy-of select="$comarkup"/>
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292 | </xsl:otherwise>
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293 | </xsl:choose>
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294 | </xsl:when>
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295 |
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296 | <!-- Most safe: draw a dark gray square with a white number inside -->
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297 | <xsl:otherwise>
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298 | <fo:inline background-color="#404040"
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299 | color="white"
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300 | padding-top="0.1em"
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301 | padding-bottom="0.1em"
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302 | padding-start="0.2em"
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303 | padding-end="0.2em"
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304 | baseline-shift="0.1em"
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305 | font-family="{$body.fontset}"
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306 | font-weight="bold"
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307 | font-size="75%">
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308 | <xsl:value-of select="$conum"/>
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309 | </fo:inline>
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310 | </xsl:otherwise>
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311 | </xsl:choose>
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312 | </xsl:template>
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313 |
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314 | </xsl:stylesheet>
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