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[working/Evergreen.git] / stylesheets / evergreen_docbook_files / docbook-xsl-1.75.2 / common / autoidx-kosek.xsl
1 <?xml version="1.0"?>
2 <!DOCTYPE xsl:stylesheet [
3 <!ENTITY primary   'normalize-space(concat(primary/@sortas, primary[not(@sortas)]))'>
4
5 ]>
6 <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
7                 version="1.0"
8                 xmlns:func="http://exslt.org/functions"
9                 xmlns:exslt="http://exslt.org/common"
10                 xmlns:l="http://docbook.sourceforge.net/xmlns/l10n/1.0"
11                 xmlns:fo="http://www.w3.org/1999/XSL/Format"
12                 extension-element-prefixes="func exslt"
13                 exclude-result-prefixes="func exslt i l"
14                 xmlns:i="urn:cz-kosek:functions:index">
15
16 <!-- ********************************************************************
17      $Id: autoidx-kosek.xsl 6910 2007-06-28 23:23:30Z xmldoc $
18      ********************************************************************
19
20      This file is part of the DocBook XSL Stylesheet distribution.
21      See ../README or http://docbook.sf.net/ for copyright
22      copyright and other information.
23
24      ******************************************************************** -->
25
26 <xsl:param name="kosek.imported">
27   <xsl:variable name="vendor" select="system-property('xsl:vendor')"/>
28   <xsl:choose>
29     <xsl:when test="contains($vendor, 'libxslt')">
30       <xsl:message terminate="yes">
31         <xsl:text>ERROR: the 'kosek' index method does not </xsl:text>
32         <xsl:text>work with the xsltproc XSLT processor.</xsl:text>
33       </xsl:message>
34     </xsl:when>
35     <xsl:otherwise>1</xsl:otherwise>
36   </xsl:choose>
37 </xsl:param>
38
39 <!-- Returns index group code for given term  -->
40 <func:function name="i:group-index">
41   <xsl:param name="term"/>
42   
43   <xsl:variable name="letters-rtf">
44     <xsl:variable name="lang">
45       <xsl:call-template name="l10n.language"/>
46     </xsl:variable>
47     
48     <xsl:variable name="local.l10n.letters"
49       select="($local.l10n.xml//l:i18n/l:l10n[@language=$lang]/l:letters)[1]"/>
50     
51     <xsl:variable name="l10n.letters"
52       select="($l10n.xml/l:i18n/l:l10n[@language=$lang]/l:letters)[1]"/>
53     
54     <xsl:choose>
55       <xsl:when test="count($local.l10n.letters) &gt; 0">
56         <xsl:copy-of select="$local.l10n.letters"/>
57       </xsl:when>
58       <xsl:when test="count($l10n.letters) &gt; 0">
59         <xsl:copy-of select="$l10n.letters"/>
60       </xsl:when>
61       <xsl:otherwise>
62         <xsl:message>
63           <xsl:text>No "</xsl:text>
64           <xsl:value-of select="$lang"/>
65           <xsl:text>" localization of index grouping letters exists</xsl:text>
66           <xsl:choose>
67             <xsl:when test="$lang = 'en'">
68               <xsl:text>.</xsl:text>
69             </xsl:when>
70             <xsl:otherwise>
71               <xsl:text>; using "en".</xsl:text>
72             </xsl:otherwise>
73           </xsl:choose>
74         </xsl:message>
75         
76         <xsl:copy-of select="($l10n.xml/l:i18n/l:l10n[@language='en']/l:letters)[1]"/>
77       </xsl:otherwise>
78     </xsl:choose>
79   </xsl:variable>
80   
81   <xsl:variable name="letters" select="exslt:node-set($letters-rtf)/*"/>
82   
83   <xsl:variable name="long-letter-index" select="$letters/l:l[. = substring($term,1,2)]/@i"/>
84   <xsl:variable name="short-letter-index" select="$letters/l:l[. = substring($term,1,1)]/@i"/>
85   <xsl:variable name="letter-index">
86     <xsl:choose>
87       <xsl:when test="$long-letter-index">
88         <xsl:value-of select="$long-letter-index"/>
89       </xsl:when>
90       <xsl:when test="$short-letter-index">
91         <xsl:value-of select="$short-letter-index"/>
92       </xsl:when>
93       <xsl:otherwise>0</xsl:otherwise>
94     </xsl:choose>
95   </xsl:variable>
96   <func:result select="number($letter-index)"/>
97 </func:function>
98
99 <!-- Return index group letter for given group code -->
100 <func:function name="i:group-letter">
101   <xsl:param name="index"/>
102
103   <xsl:variable name="letters-rtf">
104     <xsl:variable name="lang">
105       <xsl:call-template name="l10n.language"/>
106     </xsl:variable>
107     
108     <xsl:variable name="local.l10n.letters"
109       select="($local.l10n.xml//l:i18n/l:l10n[@language=$lang]/l:letters)[1]"/>
110     
111     <xsl:variable name="l10n.letters"
112       select="($l10n.xml/l:i18n/l:l10n[@language=$lang]/l:letters)[1]"/>
113     
114     <xsl:choose>
115       <xsl:when test="count($local.l10n.letters) &gt; 0">
116         <xsl:copy-of select="$local.l10n.letters"/>
117       </xsl:when>
118       <xsl:when test="count($l10n.letters) &gt; 0">
119         <xsl:copy-of select="$l10n.letters"/>
120       </xsl:when>
121       <xsl:otherwise>
122         <xsl:message>
123           <xsl:text>No "</xsl:text>
124           <xsl:value-of select="$lang"/>
125           <xsl:text>" localization of index grouping letters exists</xsl:text>
126           <xsl:choose>
127             <xsl:when test="$lang = 'en'">
128               <xsl:text>.</xsl:text>
129             </xsl:when>
130             <xsl:otherwise>
131               <xsl:text>; using "en".</xsl:text>
132             </xsl:otherwise>
133           </xsl:choose>
134         </xsl:message>
135         
136         <xsl:copy-of select="($l10n.xml/l:i18n/l:l10n[@language='en']/l:letters)[1]"/>
137       </xsl:otherwise>
138     </xsl:choose>
139   </xsl:variable>
140   
141   <xsl:variable name="letters" select="exslt:node-set($letters-rtf)/*"/>
142   
143   <func:result select="$letters/l:l[@i=$index][1]"/>
144 </func:function>
145
146 <xsl:key name="group-code"
147          match="indexterm"
148          use="i:group-index(&primary;)"/>
149
150 </xsl:stylesheet>