From feb4741da2c2c2ee9e5596ab0f1bc43614dabb7c Mon Sep 17 00:00:00 2001
From: dodo <dodo.the.last@gmail.com>
Date: Sun, 31 Mar 2013 15:42:02 +0200
Subject: [PATCH] [PATCH 3/8] convert wikimedia img src to thumbnail url

Signed-off-by: klObs <jw@klobs.de>
---
 xsl/common.xsl | 36 +++++++++++++++++++++++++++++++++---
 1 file changed, 33 insertions(+), 3 deletions(-)

diff --git a/xsl/common.xsl b/xsl/common.xsl
index a0fd6b137..3bc048ef6 100644
--- a/xsl/common.xsl
+++ b/xsl/common.xsl
@@ -56,9 +56,39 @@
   <xsl:template match="image">
     <xsl:variable name="path">
       <xsl:call-template name="normalize-path">
-	<xsl:with-param name="path">
-	  <xsl:value-of select="string(.)"/>
-	</xsl:with-param>
+        <xsl:with-param name="path">
+          <xsl:choose>
+            <xsl:when test="contains(string(.), '://')">
+              <xsl:choose>
+                <xsl:when test="contains(string(.), 'wikimedia.org')">
+                  <xsl:variable name="filename">
+                    <xsl:value-of select="string(str:tokenize(string(.),'/')[last()])"/>
+                  </xsl:variable>
+                  <xsl:variable name="hash">
+                    <xsl:value-of select="concat(str:tokenize(string(.),'/')[position()=last()-2],'/',str:tokenize(string(.),'/')[position()=last()-1],'/')"/>
+                  </xsl:variable>
+                  <xsl:variable name="validfilename">
+                    <xsl:choose>
+                      <xsl:when test="contains($filename, '.svg') and string-length(substring-after($filename, '.svg'))=0">
+                        <xsl:value-of select="concat($filename, '.png')"/>
+                      </xsl:when>
+                      <xsl:otherwise>
+                        <xsl:value-of select="$filename"/>
+                      </xsl:otherwise>
+                    </xsl:choose>
+                  </xsl:variable>
+                  <xsl:value-of select="concat(substring-before(string(.),'commons/'),'commons/thumb/',$hash,$filename,'/600px-',$validfilename)"/>
+                </xsl:when>
+                <xsl:otherwise>
+                  <xsl:value-of select="string(.)"/>
+                </xsl:otherwise>
+              </xsl:choose>
+           </xsl:when>
+           <xsl:otherwise>
+             <xsl:value-of select="string(.)"/>
+           </xsl:otherwise>
+         </xsl:choose>
+        </xsl:with-param>
       </xsl:call-template>
     </xsl:variable>