rss_converter_dilbert.com.xsl: ellipsize long titles

diff --git a/rss_converter_dilbert.com.xsl b/rss_converter_dilbert.com.xsl
index f255be1..91cf57f 100644 (file)
--- a/rss_converter_dilbert.com.xsl
+++ b/rss_converter_dilbert.com.xsl
@@ -47,7 +47,18 @@
         <xsl:variable name="picture-title" select=".//img[@class='img-responsive img-comic']/@alt"/>
         <item>
             <title>
-                <xsl:value-of select="$picture-title"/>
+                <xsl:variable name="title-length" select="140"/>
+                <!-- ellipsize, inspired from http://stackoverflow.com/questions/13622338 -->
+                <xsl:choose>
+                    <xsl:when test="string-length($picture-title) > $title-length">
+                        <xsl:variable name="truncated-length" select="$title-length - 3"/>
+                        <xsl:value-of select="substring($picture-title, 1, $truncated-length)"/>
+                        <xsl:text>...</xsl:text>
+                    </xsl:when>
+                    <xsl:otherwise>
+                        <xsl:value-of select="$picture-title"/>
+                    </xsl:otherwise>
+                </xsl:choose>
             </title>
             <link>
                 <xsl:value-of select="$item-permalink"/>