From: Bob Stayton <bobs@sagehill.net>
Date: Mon, 15 Dec 2008 22:21:16 +0000 (+0000)
Subject: Add support for writing.mode to set text direction and alignment
X-Git-Tag: release/1.79.1~6^2~1218
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=dd850e5269f98482142f80905652927cc7d1b6d2;p=docbook-dsssl

Add support for writing.mode to set text direction and alignment
based on document locale.
---

diff --git a/xsl/html/docbook.xsl b/xsl/html/docbook.xsl
index d5f548657..55ab47d7c 100644
--- a/xsl/html/docbook.xsl
+++ b/xsl/html/docbook.xsl
@@ -120,6 +120,9 @@
   <xsl:attribute name="link">#0000FF</xsl:attribute>
   <xsl:attribute name="vlink">#840084</xsl:attribute>
   <xsl:attribute name="alink">#0000FF</xsl:attribute>
+  <xsl:if test="starts-with($writing.mode, 'rl')">
+    <xsl:attribute name="dir">rtl</xsl:attribute>
+  </xsl:if>
 </xsl:template>
 
 <xsl:template name="head.content">
diff --git a/xsl/html/html.xsl b/xsl/html/html.xsl
index 132edac41..441b2ab08 100644
--- a/xsl/html/html.xsl
+++ b/xsl/html/html.xsl
@@ -12,6 +12,33 @@
 
      ******************************************************************** -->
 
+<!-- These variables set the alignment value for HTML output based on
+     the writing-mode specified in the gentext file for the document's lang. -->
+
+<xsl:variable name="direction.align.start">
+  <xsl:choose>
+    <xsl:when test="starts-with($writing.mode, 'lr')">left</xsl:when>
+    <xsl:when test="starts-with($writing.mode, 'rl')">right</xsl:when>
+    <xsl:otherwise>left</xsl:otherwise>
+  </xsl:choose>
+</xsl:variable>
+
+<xsl:variable name="direction.align.end">
+  <xsl:choose>
+    <xsl:when test="starts-with($writing.mode, 'lr')">right</xsl:when>
+    <xsl:when test="starts-with($writing.mode, 'rl')">left</xsl:when>
+    <xsl:otherwise>right</xsl:otherwise>
+  </xsl:choose>
+</xsl:variable>
+
+<xsl:variable name="direction.mode">
+  <xsl:choose>
+    <xsl:when test="starts-with($writing.mode, 'lr')">ltr</xsl:when>
+    <xsl:when test="starts-with($writing.mode, 'rl')">rtl</xsl:when>
+    <xsl:otherwise>ltr</xsl:otherwise>
+  </xsl:choose>
+</xsl:variable>
+
 <!-- The generate.html.title template is currently used for generating HTML -->
 <!-- "title" attributes for some inline elements only, but not for any -->
 <!-- block elements. It is called in eleven places in the inline.xsl -->
diff --git a/xsl/html/param.ent b/xsl/html/param.ent
index 49c4125ff..8aece97cb 100644
--- a/xsl/html/param.ent
+++ b/xsl/html/param.ent
@@ -308,3 +308,4 @@
 <!ENTITY reference.autolabel SYSTEM "../params/reference.autolabel.xml">
 <!ENTITY glossary.sort SYSTEM "../params/glossary.sort.xml">
 <!ENTITY javahelp.encoding SYSTEM "../params/javahelp.encoding.xml">
+<!ENTITY writing.mode SYSTEM "../params/writing.mode.xml">
diff --git a/xsl/html/param.xweb b/xsl/html/param.xweb
index 315d9cc7a..1035a8844 100644
--- a/xsl/html/param.xweb
+++ b/xsl/html/param.xweb
@@ -132,6 +132,7 @@ $Id$
 &draft.watermark.image;
 &generate.id.attributes;
 &generate.meta.abstract;
+&writing.mode;
 </reference>
 <reference xml:id="xslt"><title>XSLT Processing</title>
 &rootid;
@@ -726,6 +727,7 @@ around all these parameters.</para>
 <src:fragref linkend="variablelist.as.table.frag"/>
 <src:fragref linkend="variablelist.term.separator.frag"/>
 <src:fragref linkend="variablelist.term.break.after.frag"/>
+<src:fragref linkend="writing.mode.frag"/>
 <src:fragref linkend="xref.with.number.and.title.frag"/>
 <src:fragref linkend="xref.label-title.separator.frag"/>
 <src:fragref linkend="xref.label-page.separator.frag"/>