added json output

sitemap/sitemap.xml

@@ -90,7 +90,13 @@
                             <map:transform type="libxslt" src="BX_PROJECT_DIR://xsl/atom1.xsl"/>
                             <map:serialize type="xml"/>
                         </map:when>
-
+                        <map:when test="/json*">
+                            <map:transform type="libxslt" src="BX_PROJECT_DIR://xsl/json.xsl">
+							    <map:parameter name="cb" value="phpglobals://_GET[cb]" default="0"/>
+								<map:parameter type="options" name="registerPhpFunctions" value="'true'"/>
+						    </map:transform>
+                            <map:serialize type="json"/>
+                        </map:when>
 
                         <map:otherwise>
                             <map:transform type="libxslt" src="BX_PROJECT_DIR://themes/{config://theme}/main.xsl">

xsl/json.xsl

@@ -0,0 +1,45 @@
+<?xml version="1.0"?>
+<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
+xmlns:php="http://php.net/xsl"
+>
+    <xsl:output method="xml" indent="no" omit-xml-declaration="no"/>
+
+    <xsl:param name="cb" />
+
+
+    <xsl:template match="/">
+    <xsl:if test="$cb != '0'">
+    <xsl:value-of select="$cb"/>(
+    </xsl:if>[<xsl:apply-templates select="/planet/entries/entry"/>]   
+<xsl:if test="$cb != '0'">);
+    </xsl:if>
+</xsl:template>
+
+    <xsl:template match="entries/entry">{"title": <xsl:value-of select="php:functionString('json_encode',title)"/>,
+"link": <xsl:value-of select="php:functionString('json_encode',link)"/>, 
+"author": <xsl:choose>
+            <xsl:when test="string-length(blog_author) &gt; 0 ">           
+            <xsl:value-of select="php:functionString('json_encode',blog_author)"/>     
+            </xsl:when>
+            <xsl:otherwise>
+            <xsl:value-of select="php:functionString('json_encode',blog_title)"/>
+            </xsl:otherwise>
+           </xsl:choose>,
+"guid": <xsl:value-of select="php:functionString('json_encode',guid)"/>,
+"updated": <xsl:value-of select="php:functionString('json_encode',date_iso)"/>,
+"content": <xsl:call-template name="description"/>,
+"id": <xsl:value-of select="id"/>
+}<xsl:if test="position() != last()">,</xsl:if>
+    </xsl:template>
+
+    <xsl:template name="description">
+        <xsl:choose>
+            <xsl:when test="string-length(content_encoded) > 0">
+                <xsl:value-of disable-output-escaping="yes" select="php:functionString('json_encode',content_encoded)"/>
+            </xsl:when>
+            <xsl:otherwise>
+                <xsl:value-of disable-output-escaping="yes" select="php:functionString('json_encode',description)"/>
+            </xsl:otherwise>
+        </xsl:choose>
+    </xsl:template>
+</xsl:stylesheet>