From af5be9bf244d234454082d7e5b8fa05dee6816ab Mon Sep 17 00:00:00 2001
From: Jirka Kosek <jirka@kosek.cz>
Date: Wed, 14 Jul 2010 16:53:51 +0000
Subject: [PATCH] Refactored localization support. Language files are loaded on
 demand. Speedup is about 30%.

---
 xsl/common/autoidx-kosek.xsl |   8 +-
 xsl/common/l10n.dtd          |   1 +
 xsl/common/l10n.xml          | 195 ++++++++++++-----------------------
 xsl/common/l10n.xsl          |  32 +++---
 4 files changed, 89 insertions(+), 147 deletions(-)

diff --git a/xsl/common/autoidx-kosek.xsl b/xsl/common/autoidx-kosek.xsl
index c293e2453..cabcbdf41 100644
--- a/xsl/common/autoidx-kosek.xsl
+++ b/xsl/common/autoidx-kosek.xsl
@@ -49,7 +49,7 @@
       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]"/>
+      select="document(concat($lang, '.xml'))/l:l10n/l:letters[1]"/>
     
     <xsl:choose>
       <xsl:when test="count($local.l10n.letters) &gt; 0">
@@ -73,7 +73,7 @@
           </xsl:choose>
         </xsl:message>
         
-        <xsl:copy-of select="($l10n.xml/l:i18n/l:l10n[@language='en']/l:letters)[1]"/>
+        <xsl:copy-of select="document('en.xml')/l:l10n/l:letters[1]"/>
       </xsl:otherwise>
     </xsl:choose>
   </xsl:variable>
@@ -109,7 +109,7 @@
       select="($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]"/>
+      select="document(concat($lang, '.xml'))/l:l10n/l:letters[1]"/>
     
     <xsl:choose>
       <xsl:when test="count($local.l10n.letters) &gt; 0">
@@ -133,7 +133,7 @@
           </xsl:choose>
         </xsl:message>
         
-        <xsl:copy-of select="($l10n.xml/l:i18n/l:l10n[@language='en']/l:letters)[1]"/>
+        <xsl:copy-of select="document('en.xml')/l:l10n/l:letters[1]"/>
       </xsl:otherwise>
     </xsl:choose>
   </xsl:variable>
diff --git a/xsl/common/l10n.dtd b/xsl/common/l10n.dtd
index 1d6f8361e..9bf2f66b7 100644
--- a/xsl/common/l10n.dtd
+++ b/xsl/common/l10n.dtd
@@ -23,6 +23,7 @@
 	%xmlns;		CDATA	#FIXED %uri;
 	language	CDATA	#REQUIRED
 	english-language-name	CDATA	#IMPLIED
+	href            CDATA   #IMPLIED
 >
 
 <!ELEMENT %gentext; EMPTY>
diff --git a/xsl/common/l10n.xml b/xsl/common/l10n.xml
index 4cdeb6c93..67948cb84 100644
--- a/xsl/common/l10n.xml
+++ b/xsl/common/l10n.xml
@@ -1,131 +1,68 @@
 <?xml version='1.0'?>
-<!DOCTYPE l:i18n SYSTEM "l10n.dtd" [
-<!ENTITY af SYSTEM "af.xml">
-<!ENTITY am SYSTEM "am.xml">
-<!ENTITY ar SYSTEM "ar.xml">
-<!ENTITY az SYSTEM "az.xml">
-<!ENTITY bg SYSTEM "bg.xml">
-<!ENTITY bn SYSTEM "bn.xml">
-<!ENTITY bs SYSTEM "bs.xml">
-<!ENTITY ca SYSTEM "ca.xml">
-<!ENTITY cs SYSTEM "cs.xml">
-<!ENTITY cy SYSTEM "cy.xml">
-<!ENTITY da SYSTEM "da.xml">
-<!ENTITY de SYSTEM "de.xml">
-<!ENTITY el SYSTEM "el.xml">
-<!ENTITY en SYSTEM "en.xml">
-<!ENTITY eo SYSTEM "eo.xml">
-<!ENTITY es SYSTEM "es.xml">
-<!ENTITY et SYSTEM "et.xml">
-<!ENTITY eu SYSTEM "eu.xml">
-<!ENTITY fa SYSTEM "fa.xml">
-<!ENTITY fi SYSTEM "fi.xml">
-<!ENTITY fr SYSTEM "fr.xml">
-<!ENTITY ga SYSTEM "ga.xml">
-<!ENTITY gl SYSTEM "gl.xml">
-<!ENTITY gu SYSTEM "gu.xml">
-<!ENTITY he SYSTEM "he.xml">
-<!ENTITY hi SYSTEM "hi.xml">
-<!ENTITY hr SYSTEM "hr.xml">
-<!ENTITY hu SYSTEM "hu.xml">
-<!ENTITY id SYSTEM "id.xml">
-<!ENTITY it SYSTEM "it.xml">
-<!ENTITY ja SYSTEM "ja.xml">
-<!ENTITY kn SYSTEM "kn.xml">
-<!ENTITY ko SYSTEM "ko.xml">
-<!ENTITY la SYSTEM "la.xml">
-<!ENTITY lit SYSTEM "lt.xml">
-<!ENTITY lv SYSTEM "lv.xml">
-<!ENTITY mn SYSTEM "mn.xml">
-<!ENTITY nl SYSTEM "nl.xml">
-<!ENTITY nn SYSTEM "nn.xml">
-<!ENTITY nb SYSTEM "nb.xml">
-<!ENTITY or SYSTEM "or.xml">
-<!ENTITY pa SYSTEM "pa.xml">
-<!ENTITY pl SYSTEM "pl.xml">
-<!ENTITY pt_br SYSTEM "pt_br.xml">
-<!ENTITY pt SYSTEM "pt.xml">
-<!ENTITY ro SYSTEM "ro.xml">
-<!ENTITY ru SYSTEM "ru.xml">
-<!ENTITY sk SYSTEM "sk.xml">
-<!ENTITY sl SYSTEM "sl.xml">
-<!ENTITY sq SYSTEM "sq.xml">
-<!ENTITY sr_Latn SYSTEM "sr_Latn.xml">
-<!ENTITY sr SYSTEM "sr.xml">
-<!ENTITY sv SYSTEM "sv.xml">
-<!ENTITY ta SYSTEM "ta.xml">
-<!ENTITY th SYSTEM "th.xml">
-<!ENTITY tl SYSTEM "tl.xml">
-<!ENTITY tr SYSTEM "tr.xml">
-<!ENTITY uk SYSTEM "uk.xml">
-<!ENTITY vi SYSTEM "vi.xml">
-<!ENTITY xh SYSTEM "xh.xml">
-<!ENTITY zh SYSTEM "zh.xml">
-<!ENTITY zh_cn SYSTEM "zh_cn.xml">
-<!ENTITY zh_tw SYSTEM "zh_tw.xml">
-]>
+<!DOCTYPE l:i18n SYSTEM "l10n.dtd">
 <l:i18n xmlns:l="http://docbook.sourceforge.net/xmlns/l10n/1.0">
-&af;
-&am;
-&ar;
-&az;
-&bg;
-&bn;
-&bs;
-&ca;
-&cs;
-&cy;
-&da;
-&de;
-&el;
-&en;
-&eo;
-&es;
-&et;
-&eu;
-&fa;
-&fi;
-&fr;
-&ga;
-&gl;
-&gu;
-&he;
-&hi;
-&hr;
-&hu;
-&id;
-&it;
-&ja;
-&kn;
-&ko;
-&la;
-&lit;
-&lv;
-&mn;
-&nl;
-&nn;
-&nb;
-&or;
-&pa;
-&pl;
-&pt;
-&pt_br;
-&ro;
-&ru;
-&sk;
-&sl;
-&sq;
-&sr;
-&sr_Latn;
-&sv;
-&ta;
-&th;
-&tl;
-&tr;
-&uk;
-&vi;
-&xh;
-&zh;
-&zh_cn;
-&zh_tw;
-</l:i18n>
+<l:l10n language="af" href="af.xml"/>
+<l:l10n language="am" href="am.xml"/>
+<l:l10n language="ar" href="ar.xml"/>
+<l:l10n language="az" href="az.xml"/>
+<l:l10n language="bg" href="bg.xml"/>
+<l:l10n language="bn" href="bn.xml"/>
+<l:l10n language="bs" href="bs.xml"/>
+<l:l10n language="ca" href="ca.xml"/>
+<l:l10n language="cs" href="cs.xml"/>
+<l:l10n language="cy" href="cy.xml"/>
+<l:l10n language="da" href="da.xml"/>
+<l:l10n language="de" href="de.xml"/>
+<l:l10n language="el" href="el.xml"/>
+<l:l10n language="en" href="en.xml"/>
+<l:l10n language="eo" href="eo.xml"/>
+<l:l10n language="es" href="es.xml"/>
+<l:l10n language="et" href="et.xml"/>
+<l:l10n language="eu" href="eu.xml"/>
+<l:l10n language="fa" href="fa.xml"/>
+<l:l10n language="fi" href="fi.xml"/>
+<l:l10n language="fr" href="fr.xml"/>
+<l:l10n language="ga" href="ga.xml"/>
+<l:l10n language="gl" href="gl.xml"/>
+<l:l10n language="gu" href="gu.xml"/>
+<l:l10n language="he" href="he.xml"/>
+<l:l10n language="hi" href="hi.xml"/>
+<l:l10n language="hr" href="hr.xml"/>
+<l:l10n language="hu" href="hu.xml"/>
+<l:l10n language="id" href="id.xml"/>
+<l:l10n language="it" href="it.xml"/>
+<l:l10n language="ja" href="ja.xml"/>
+<l:l10n language="kn" href="kn.xml"/>
+<l:l10n language="ko" href="ko.xml"/>
+<l:l10n language="la" href="la.xml"/>
+<l:l10n language="lit" href="lit.xml"/>
+<l:l10n language="lv" href="lv.xml"/>
+<l:l10n language="mn" href="mn.xml"/>
+<l:l10n language="nl" href="nl.xml"/>
+<l:l10n language="nn" href="nn.xml"/>
+<l:l10n language="nb" href="nb.xml"/>
+<l:l10n language="or" href="or.xml"/>
+<l:l10n language="pa" href="pa.xml"/>
+<l:l10n language="pl" href="pl.xml"/>
+<l:l10n language="pt" href="pt.xml"/>
+<l:l10n language="pt_br" href="pt_br.xml"/>
+<l:l10n language="ro" href="ro.xml"/>
+<l:l10n language="ru" href="ru.xml"/>
+<l:l10n language="sk" href="sk.xml"/>
+<l:l10n language="sl" href="sl.xml"/>
+<l:l10n language="sq" href="sq.xml"/>
+<l:l10n language="sr" href="sr.xml"/>
+<l:l10n language="sr_latn" href="sr_Latn.xml"/>
+<l:l10n language="sv" href="sv.xml"/>
+<l:l10n language="ta" href="ta.xml"/>
+<l:l10n language="th" href="th.xml"/>
+<l:l10n language="tl" href="tl.xml"/>
+<l:l10n language="tr" href="tr.xml"/>
+<l:l10n language="uk" href="uk.xml"/>
+<l:l10n language="vi" href="vi.xml"/>
+<l:l10n language="xh" href="xh.xml"/>
+<l:l10n language="zh" href="zh.xml"/>
+<l:l10n language="zh_cn" href="zh_cn.xml"/>
+<l:l10n language="zh_tw" href="zh_tw.xml"/>
+<l:l10n language="/l" href="/l.xml"/>
+</l:i18n>
\ No newline at end of file
diff --git a/xsl/common/l10n.xsl b/xsl/common/l10n.xsl
index 1ade6a1e5..d2e45d587 100644
--- a/xsl/common/l10n.xsl
+++ b/xsl/common/l10n.xsl
@@ -19,9 +19,9 @@
 <xsl:param name="local.l10n.xml" select="document('')"/>
 
 <xsl:key name="l10n-lang" match="l:l10n" use="@language"/>
-<xsl:key name="l10n-gentext" match="l:l10n/l:gentext" use="concat(../@language, '#', @key)"/>
-<xsl:key name="l10n-dingbat" match="l:l10n/l:dingbat" use="concat(../@language, '#', @key)"/>
-<xsl:key name="l10n-context" match="l:l10n/l:context" use="concat(../@language, '#', @name)"/>
+<xsl:key name="l10n-gentext" match="l:l10n/l:gentext" use="@key"/>
+<xsl:key name="l10n-dingbat" match="l:l10n/l:dingbat" use="@key"/>
+<xsl:key name="l10n-context" match="l:l10n/l:context" use="@name"/>
 
 <xsl:template name="l10n.language">
   <xsl:param name="target" select="."/>
@@ -113,12 +113,12 @@
   </xsl:for-each>
 </xsl:template>
 
-<xsl:template name="l10.language.name">
+<xsl:template name="l10n.language.name">
   <xsl:param name="lang">
     <xsl:call-template name="l10n.language"/>
   </xsl:param>
   <xsl:value-of
-    select="$l10n.xml/l:i18n/l:l10n[@language=$lang]/@english-language-name"/>
+    select="document(concat($l10n.xml/l:i18n/l:l10n[@language=$lang]/@href, '.xml'))/l:l10n/@english-language-name"/>
 </xsl:template>
 
 <xsl:template name="language.attribute">
@@ -221,12 +221,12 @@
     <xsl:call-template name="l10n.language"/>
   </xsl:param>
 
-  <xsl:for-each select="$l10n.xml">  <!-- We need to switch context in order to make key() work -->
+  <xsl:for-each select="document(concat($lang, '.xml'))">  <!-- We need to switch context in order to make key() work -->
     <xsl:variable name="local.l10n.gentext"
                   select="($local.l10n.xml//l:i18n/l:l10n[@language=$lang]/l:gentext[@key=$key])[1]"/>
 
     <xsl:variable name="l10n.gentext"
-                  select="key('l10n-gentext', concat($lang, '#', $key))[1]"/>
+                  select="key('l10n-gentext', $key)[1]"/>
 
     <xsl:choose>
       <xsl:when test="$local.l10n.gentext">
@@ -252,7 +252,9 @@
           </xsl:choose>
         </xsl:message>
 
-        <xsl:value-of select="key('l10n-gentext', concat('en', '#', $key))[1]/@text"/>
+	<xsl:for-each select="document('en.xml')">  <!-- We need to switch context in order to make key() work -->
+	  <xsl:value-of select="key('l10n-gentext', $key)[1]/@text"/>
+	</xsl:for-each>
       </xsl:otherwise>
     </xsl:choose>
   </xsl:for-each>
@@ -292,12 +294,12 @@
     <xsl:call-template name="l10n.language"/>
   </xsl:param>
 
-  <xsl:for-each select="$l10n.xml">  <!-- We need to switch context in order to make key() work -->
+  <xsl:for-each select="document(concat($lang, '.xml'))">  <!-- We need to switch context in order to make key() work -->
     <xsl:variable name="local.l10n.dingbat"
                   select="($local.l10n.xml//l:i18n/l:l10n[@language=$lang]/l:dingbat[@key=$dingbat])[1]"/>
 
     <xsl:variable name="l10n.dingbat"
-                  select="key('l10n-dingbat', concat($lang, '#', $dingbat))[1]"/>
+                  select="key('l10n-dingbat', $dingbat)[1]"/>
 
     <xsl:choose>
       <xsl:when test="$local.l10n.dingbat">
@@ -314,8 +316,10 @@
           <xsl:value-of select="$dingbat"/>
           <xsl:text> exists; using "en".</xsl:text>
         </xsl:message>
-
-        <xsl:value-of select="key('l10n-dingbat', concat('en', '#', $dingbat))[1]/@text"/>
+	
+	<xsl:for-each select="document('en.xml')">  <!-- We need to switch context in order to make key() work -->
+	  <xsl:value-of select="key('l10n-dingbat', $dingbat)[1]/@text"/>
+	</xsl:for-each>
       </xsl:otherwise>
     </xsl:choose>
   </xsl:for-each>
@@ -383,7 +387,7 @@
   </xsl:param>
   <xsl:param name="verbose" select="1"/>
 
-  <xsl:for-each select="$l10n.xml">  <!-- We need to switch context in order to make key() work -->
+  <xsl:for-each select="document(concat($lang, '.xml'))">  <!-- We need to switch context in order to make key() work -->
 
     <xsl:variable name="local.localization.node"
                   select="($local.l10n.xml//l:i18n/l:l10n[@language=$lang])[1]"/>
@@ -405,7 +409,7 @@
                   select="$local.localization.node/l:context[@name=$context]"/>
 
     <xsl:variable name="context.node"
-                  select="key('l10n-context', concat($lang, '#', $context))[1]"/>
+                  select="key('l10n-context', $context)[1]"/>
 
     <xsl:if test="count($context.node) = 0
                   and count($local.context.node) = 0
-- 
2.40.0