[yelp-xsl] mal2html: "center" style hint for block title and desc

[Shaun McCance <shaunm src gnome org>]

commit df11837694d9ca56e81b016f6bbdb2907b911d13
Author: Shaun McCance <shaunm gnome org>
Date:   Sat Mar 16 15:08:20 2013 -0400

    mal2html: "center" style hint for block title and desc
    
    https://bugzilla.gnome.org/show_bug.cgi?id=695865

 xslt/common/html.xsl                 |    1 +
 xslt/mallard/html/mal2html-block.xsl |   14 ++++++++++++--
 xslt/mallard/html/mal2html-ui.xsl    |   28 ++++++++++++++++++++--------
 3 files changed, 33 insertions(+), 10 deletions(-)
---
diff --git a/xslt/common/html.xsl b/xslt/common/html.xsl
index dda2a09..f990eea 100644
--- a/xslt/common/html.xsl
+++ b/xslt/common/html.xsl
@@ -716,6 +716,7 @@ div.clear {
   height: 0; line-height: 0;
   clear: both;
 }
+.center { text-align: center; }
 
 div.about {
   color: </xsl:text><xsl:value-of select="$color.text_light"/><xsl:text>;
diff --git a/xslt/mallard/html/mal2html-block.xsl b/xslt/mallard/html/mal2html-block.xsl
index 1a22b20..1eec1ae 100644
--- a/xslt/mallard/html/mal2html-block.xsl
+++ b/xslt/mallard/html/mal2html-block.xsl
@@ -193,7 +193,13 @@ in accordance with the Mallard specification on fallback block content.
 
 <!-- = desc = -->
 <xsl:template mode="mal2html.block.mode" match="mal:desc">
-  <div class="desc">
+  <div>
+    <xsl:attribute name="class">
+      <xsl:text>desc</xsl:text>
+      <xsl:if test="contains(concat(' ', @style, ' '), ' center ')">
+        <xsl:text> center</xsl:text>
+      </xsl:if>
+    </xsl:attribute>
     <xsl:call-template name="html.lang.attrs"/>
     <xsl:apply-templates mode="mal2html.inline.mode"/>
   </div>
@@ -565,13 +571,17 @@ in accordance with the Mallard specification on fallback block content.
       </xsl:otherwise>
     </xsl:choose>
   </xsl:variable>
+  <xsl:variable name="style" select="concat(' ', @style, ' ')"/>
   <div>
     <xsl:attribute name="class">
       <xsl:text>title title-</xsl:text>
       <xsl:value-of select="local-name(..)"/>
-      <xsl:if test="contains(concat(' ', @style, ' '), ' heading ')">
+      <xsl:if test="contains($style, ' heading ')">
         <xsl:text> title-heading</xsl:text>
       </xsl:if>
+      <xsl:if test="contains($style, ' center ')">
+        <xsl:text> center</xsl:text>
+      </xsl:if>
     </xsl:attribute>
     <xsl:call-template name="html.lang.attrs"/>
     <xsl:element name="{concat('h', $depth_)}" namespace="{$html.namespace}">
diff --git a/xslt/mallard/html/mal2html-ui.xsl b/xslt/mallard/html/mal2html-ui.xsl
index dcce2a6..3cf65a3 100644
--- a/xslt/mallard/html/mal2html-ui.xsl
+++ b/xslt/mallard/html/mal2html-ui.xsl
@@ -560,16 +560,28 @@ ${node} element.
             </xsl:choose>
             <xsl:text>px;</xsl:text>
           </xsl:attribute>
-          <xsl:if test="$media/uix:thumb/uix:caption/mal:title">
-            <span class="title">
-              <xsl:apply-templates mode="mal2html.inline.mode"
-                                   select="$media/uix:thumb/uix:caption/mal:title[1]/node()"/>
+          <xsl:variable name="title" select="$media/uix:thumb/uix:caption/mal:title[1]"/>
+          <xsl:if test="$title">
+            <span>
+              <xsl:attribute name="class">
+                <xsl:text>title</xsl:text>
+                <xsl:if test="contains(concat(' ', $title/@style, ' '), ' center ')">
+                  <xsl:text> center</xsl:text>
+                </xsl:if>
+              </xsl:attribute>
+              <xsl:apply-templates mode="mal2html.inline.mode" select="$title/node()"/>
             </span>
           </xsl:if>
-          <xsl:if test="$media/uix:thumb/uix:caption/mal:desc">
-            <span class="desc">
-              <xsl:apply-templates mode="mal2html.inline.mode"
-                                   select="$media/uix:thumb/uix:caption/mal:desc[1]/node()"/>
+          <xsl:variable name="desc" select="$media/uix:thumb/uix:caption/mal:desc[1]"/>
+          <xsl:if test="$desc">
+            <span>
+              <xsl:attribute name="class">
+                <xsl:text>desc</xsl:text>
+                <xsl:if test="contains(concat(' ', $desc/@style, ' '), ' center ')">
+                  <xsl:text> center</xsl:text>
+                </xsl:if>
+              </xsl:attribute>
+              <xsl:apply-templates mode="mal2html.inline.mode" select="$desc/node()"/>
             </span>
           </xsl:if>
         </span>