[yelp-xsl] dita2html-media: Basic image support

[Shaun McCance <shaunm src gnome org>]

commit 26e159eb2d16fdf6be017c3d9310ef9c9d699f9b
Author: Shaun McCance <shaunm gnome org>
Date:   Thu Nov 8 13:53:07 2012 -0500

    dita2html-media: Basic image support

 xslt/dita/common/dita-selectors.mod |    5 ++
 xslt/dita/html/dita2html-media.xsl  |  126 +++++++++++++++++++++++++++++++++++
 xslt/dita/html/dita2xhtml.xsl       |    1 +
 3 files changed, 132 insertions(+), 0 deletions(-)
---
diff --git a/xslt/dita/common/dita-selectors.mod b/xslt/dita/common/dita-selectors.mod
index a299a4a..88764c5 100644
--- a/xslt/dita/common/dita-selectors.mod
+++ b/xslt/dita/common/dita-selectors.mod
@@ -42,6 +42,11 @@ map/topicref
   starts-with(@class, '- map/topicref ')]">
 
 <!-- ===========================================================================
+topic/desc
+-->
+<!ENTITY topic_alt "*[name(.) = 'alt' or starts-with(@class, '- topic/alt ')]">
+
+<!-- ===========================================================================
 topic/body
 -->
 <!ENTITY topic_body "*[
diff --git a/xslt/dita/html/dita2html-media.xsl b/xslt/dita/html/dita2html-media.xsl
new file mode 100644
index 0000000..6981468
--- /dev/null
+++ b/xslt/dita/html/dita2html-media.xsl
@@ -0,0 +1,126 @@
+<?xml version='1.0' encoding='UTF-8'?><!-- -*- indent-tabs-mode: nil -*- -->
+<!--
+This program is free software; you can redistribute it and/or modify it under
+the terms of the GNU Lesser General Public License as published by the Free
+Software Foundation; either version 2 of the License, or (at your option) any
+later version.
+
+This program is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
+details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with this program; see the file COPYING.LGPL.  If not, write to the
+Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+02111-1307, USA.
+-->
+<!DOCTYPE xsl:stylesheet [
+<!ENTITY % selectors SYSTEM "../common/dita-selectors.mod">
+%selectors;
+]>
+
+<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
+                xmlns:yelp="http://projects.gnome.org/yelp/";
+                xmlns="http://www.w3.org/1999/xhtml";
+                exclude-result-prefixes="yelp"
+                version="1.0">
+
+<!--!!==========================================================================
+DITA to HTML - Media
+
+REMARK: Describe this module
+-->
+
+
+<!-- = image = -->
+<xsl:template mode="dita2html.topic.mode" match="&topic_image;">
+  <xsl:variable name="conref" select="yelp:dita.ref.conref(.)"/>
+  <xsl:variable name="placement">
+    <xsl:call-template name="dita.ref.conref.attr">
+      <xsl:with-param name="attr" select="'placement'"/>
+      <xsl:with-param name="node" select="."/>
+      <xsl:with-param name="conref" select="$conref"/>
+    </xsl:call-template>
+  </xsl:variable>
+  <xsl:choose>
+    <xsl:when test="$placement = 'break'">
+      <div class="media media-image">
+        <div class="inner">
+          <xsl:call-template name="_dita2html.image.img">
+            <xsl:with-param name="conref" select="$conref"/>
+          </xsl:call-template>
+        </div>
+      </div>
+    </xsl:when>
+    <xsl:otherwise>
+      <span class="media media-image">
+        <xsl:call-template name="_dita2html.image.img">
+          <xsl:with-param name="conref" select="$conref"/>
+        </xsl:call-template>
+      </span>
+    </xsl:otherwise>
+  </xsl:choose>
+</xsl:template>
+
+<!--#* _dita2html.image.img -->
+<xsl:template name="_dita2html.image.img">
+  <xsl:param name="node" select="."/>
+  <xsl:param name="conref" select="yelp:dita.ref.conref($node)"/>
+  <xsl:variable name="href">
+    <xsl:call-template name="dita.ref.conref.attr">
+      <xsl:with-param name="attr" select="'href'"/>
+      <xsl:with-param name="node" select="$node"/>
+      <xsl:with-param name="conref" select="$conref"/>
+    </xsl:call-template>
+  </xsl:variable>
+  <img src="{$href}">
+    <xsl:if test="$node/@width">
+      <xsl:variable name="width">
+        <xsl:call-template name="dita.ref.conref.attr">
+          <xsl:with-param name="attr" select="'width'"/>
+          <xsl:with-param name="node" select="$node"/>
+          <xsl:with-param name="conref" select="$conref"/>
+        </xsl:call-template>
+      </xsl:variable>
+      <xsl:if test="contains('1234567890', substring($width, string-length($width)))">
+        <xsl:attribute name="width">
+          <xsl:value-of select="$width"/>
+        </xsl:attribute>
+      </xsl:if>
+    </xsl:if>
+    <xsl:if test="$node/@height">
+      <xsl:variable name="height">
+        <xsl:call-template name="dita.ref.conref.attr">
+          <xsl:with-param name="attr" select="'height'"/>
+          <xsl:with-param name="node" select="$node"/>
+          <xsl:with-param name="conref" select="$conref"/>
+        </xsl:call-template>
+      </xsl:variable>
+      <xsl:if test="contains('1234567890', substring($height, string-length($height)))">
+        <xsl:attribute name="height">
+          <xsl:value-of select="$height"/>
+        </xsl:attribute>
+      </xsl:if>
+    </xsl:if>
+    <xsl:choose>
+      <xsl:when test="&topic_alt;">
+        <xsl:attribute name="alt">
+          <xsl:apply-templates mode="dita2html.topic.mode"
+                               select="yelp:dita.ref.conref(&topic_alt;)/node()"/>
+        </xsl:attribute>
+      </xsl:when>
+      <xsl:when test="@alt">
+        <xsl:attribute name="alt">
+          <xsl:call-template name="dita.ref.conref.attr">
+            <xsl:with-param name="attr" select="'alt'"/>
+            <xsl:with-param name="node" select="$node"/>
+            <xsl:with-param name="conref" select="$conref"/>
+          </xsl:call-template>
+        </xsl:attribute>
+      </xsl:when>
+    </xsl:choose>
+  </img>
+</xsl:template>
+
+</xsl:stylesheet>
diff --git a/xslt/dita/html/dita2xhtml.xsl b/xslt/dita/html/dita2xhtml.xsl
index be7ae99..79d0df5 100644
--- a/xslt/dita/html/dita2xhtml.xsl
+++ b/xslt/dita/html/dita2xhtml.xsl
@@ -42,6 +42,7 @@ REMARK: Describe this module
 <xsl:include href="dita2html-block.xsl"/>
 <xsl:include href="dita2html-inline.xsl"/>
 <xsl:include href="dita2html-list.xsl"/>
+<xsl:include href="dita2html-media.xsl"/>
 <xsl:include href="dita2html-table.xsl"/>
 <xsl:include href="dita2html-topic.xsl"/>