1 files changed, 135 insertions, 0 deletions
diff --git a/kdoctools/docbook/xsl/common/autoidx-ng.xsl b/kdoctools/docbook/xsl/common/autoidx-ng.xsl
new file mode 100644
index 000000000..112f78fea
--- /dev/null
+++ b/kdoctools/docbook/xsl/common/autoidx-ng.xsl
@@ -0,0 +1,135 @@
+<?xml version="1.0"?>
+<!DOCTYPE xsl:stylesheet [
+<!ENTITY primary   'normalize-space(concat(primary/@sortas, primary[not(@sortas)]))'>
+]>
+<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
+                version="1.0"
+                xmlns:func="http://exslt.org/functions"
+                xmlns:exslt="http://exslt.org/common"
+                xmlns:l="http://docbook.sourceforge.net/xmlns/l10n/1.0"
+                extension-element-prefixes="func exslt"
+                exclude-result-prefixes="func exslt i l"
+                xmlns:i="urn:cz-kosek:functions:index">
+
+<!-- ********************************************************************
+     $Id$
+     ********************************************************************
+
+     This file is part of the DocBook XSL Stylesheet distribution.
+     See ../README or http://docbook.sf.net/ for copyright
+     and other information.
+
+     ******************************************************************** -->
+
+<!-- Returns index group code for given term  -->
+<func:function name="i:group-index">
+  <xsl:param name="term"/>
+  
+  <xsl:variable name="letters-rtf">
+    <xsl:variable name="lang">
+      <xsl:call-template name="l10n.language"/>
+    </xsl:variable>
+    
+    <xsl:variable name="local.l10n.letters"
+      select="($local.l10n.xml//l:i18n/l:l10n[@language=$lang]/l:letters)[1]"/>
+    
+    <xsl:variable name="l10n.letters"
+      select="($l10n.xml/l:i18n/l:l10n[@language=$lang]/l:letters)[1]"/>
+    
+    <xsl:choose>
+      <xsl:when test="count($local.l10n.letters) &gt; 0">
+        <xsl:copy-of select="$local.l10n.letters"/>
+      </xsl:when>
+      <xsl:when test="count($l10n.letters) &gt; 0">
+        <xsl:copy-of select="$l10n.letters"/>
+      </xsl:when>
+      <xsl:otherwise>
+        <xsl:message>
+          <xsl:text>No "</xsl:text>
+          <xsl:value-of select="$lang"/>
+          <xsl:text>" localization of index grouping letters exists</xsl:text>
+          <xsl:choose>
+            <xsl:when test="$lang = 'en'">
+              <xsl:text>.</xsl:text>
+            </xsl:when>
+            <xsl:otherwise>
+              <xsl:text>; using "en".</xsl:text>
+            </xsl:otherwise>
+          </xsl:choose>
+        </xsl:message>
+        
+        <xsl:copy-of select="($l10n.xml/l:i18n/l:l10n[@language='en']/l:letters)[1]"/>
+      </xsl:otherwise>
+    </xsl:choose>
+  </xsl:variable>
+  
+  <xsl:variable name="letters" select="exslt:node-set($letters-rtf)/*"/>
+  
+  <xsl:variable name="long-letter-index" select="$letters/l:l[. = substring($term,1,2)]/@i"/>
+  <xsl:variable name="short-letter-index" select="$letters/l:l[. = substring($term,1,1)]/@i"/>
+  <xsl:variable name="letter-index">
+    <xsl:choose>
+      <xsl:when test="$long-letter-index">
+        <xsl:value-of select="$long-letter-index"/>
+      </xsl:when>
+      <xsl:when test="$short-letter-index">
+        <xsl:value-of select="$short-letter-index"/>
+      </xsl:when>
+      <xsl:otherwise>0</xsl:otherwise>
+    </xsl:choose>
+  </xsl:variable>
+  <func:result select="number($letter-index)"/>
+</func:function>
+
+<!-- Return index group letter for given group code -->
+<func:function name="i:group-letter">
+  <xsl:param name="index"/>
+
+  <xsl:variable name="letters-rtf">
+    <xsl:variable name="lang">
+      <xsl:call-template name="l10n.language"/>
+    </xsl:variable>
+    
+    <xsl:variable name="local.l10n.letters"
+      select="($local.l10n.xml//l:i18n/l:l10n[@language=$lang]/l:letters)[1]"/>
+    
+    <xsl:variable name="l10n.letters"
+      select="($l10n.xml/l:i18n/l:l10n[@language=$lang]/l:letters)[1]"/>
+    
+    <xsl:choose>
+      <xsl:when test="count($local.l10n.letters) &gt; 0">
+        <xsl:copy-of select="$local.l10n.letters"/>
+      </xsl:when>
+      <xsl:when test="count($l10n.letters) &gt; 0">
+        <xsl:copy-of select="$l10n.letters"/>
+      </xsl:when>
+      <xsl:otherwise>
+        <xsl:message>
+          <xsl:text>No "</xsl:text>
+          <xsl:value-of select="$lang"/>
+          <xsl:text>" localization of index grouping letters exists</xsl:text>
+          <xsl:choose>
+            <xsl:when test="$lang = 'en'">
+              <xsl:text>.</xsl:text>
+            </xsl:when>
+            <xsl:otherwise>
+              <xsl:text>; using "en".</xsl:text>
+            </xsl:otherwise>
+          </xsl:choose>
+        </xsl:message>
+        
+        <xsl:copy-of select="($l10n.xml/l:i18n/l:l10n[@language='en']/l:letters)[1]"/>
+      </xsl:otherwise>
+    </xsl:choose>
+  </xsl:variable>
+  
+  <xsl:variable name="letters" select="exslt:node-set($letters-rtf)/*"/>
+  
+  <func:result select="$letters/l:l[@i=$index][1]"/>
+</func:function>
+
+<xsl:key name="group-code"
+         match="indexterm"
+         use="i:group-index(&primary;)"/>
+
+</xsl:stylesheet>