XML: Update xml2json.xsl

Updated to r31 from http://code.google.com/p/xml2json-xslt

Restoring to unmodified implementation so that the local modifications
can actually be tracked through the history.

Author: scottgonzalez

tasks/jquery-xml/xml2json.xsl

@@ -1,15 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
 <!--
-  Copyright (c) 2006, Doeke Zanstra
+  Copyright (c) 2006,2008 Doeke Zanstra
   All rights reserved.
 
-  Note: This is a hacked version of xml2json.xslt
-  ****  All numbers will be output as strings to prevent version numbers like
-  ****  1.0 changing to 1
-  ****  If you want the original version, get it from
-  ****  http://code.google.com/p/xml2json-xslt/
-
   Redistribution and use in source and binary forms, with or without modification, 
   are permitted provided that the following conditions are met:
 
@@ -19,10 +13,6 @@
   following disclaimer in the documentation and/or other materials provided with 
   the distribution.
 
-  Neither the name of the dzLib nor the names of its contributors may be used to 
-  endorse or promote products derived from this software without specific prior 
-  written permission.
-
   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 
   ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
   WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
@@ -36,7 +26,7 @@
 -->
 
   <xsl:output indent="no" omit-xml-declaration="yes" method="text" encoding="UTF-8" media-type="text/x-json"/>
-	<xsl:strip-space elements="*"/>
+  <xsl:strip-space elements="*"/>
   <!--contant-->
   <xsl:variable name="d">0123456789</xsl:variable>
 
@@ -130,32 +120,33 @@
     </xsl:choose>
   </xsl:template>
 
-  <!-- number (no support for javascript mantise) -->
-  <xsl:template match="text()[not(string(number())='NaN')]">
+  <!-- number (no support for javascript mantissa) -->
+  <xsl:template match="text()[not(string(number())='NaN' or
+                       (starts-with(.,'0' ) and . != '0'))]">
     &quot;<xsl:value-of select="."/>&quot;
   </xsl:template>
 
   <!-- boolean, case-insensitive -->
   <xsl:template match="text()[translate(.,'TRUE','true')='true']">true</xsl:template>
   <xsl:template match="text()[translate(.,'FALSE','false')='false']">false</xsl:template>
 
-  <!-- item:null -->
-  <xsl:template match="*[count(child::node())=0]">
-    <xsl:call-template name="escape-string">
-      <xsl:with-param name="s" select="local-name()"/>
-    </xsl:call-template>
-    <xsl:text>:null</xsl:text>
-    <xsl:if test="following-sibling::*">,</xsl:if>
-  </xsl:template>
-
   <!-- object -->
   <xsl:template match="*" name="base">
     <xsl:if test="not(preceding-sibling::*)">{</xsl:if>
     <xsl:call-template name="escape-string">
       <xsl:with-param name="s" select="name()"/>
     </xsl:call-template>
     <xsl:text>:</xsl:text>
-    <xsl:apply-templates select="child::node()"/>
+    <!-- check type of node -->
+    <xsl:choose>
+      <!-- null nodes -->
+      <xsl:when test="count(child::node())=0">null</xsl:when>
+      <!-- other nodes -->
+      <xsl:otherwise>
+        <xsl:apply-templates select="child::node()"/>
+      </xsl:otherwise>
+    </xsl:choose>
+    <!-- end of type check -->
     <xsl:if test="following-sibling::*">,</xsl:if>
     <xsl:if test="not(following-sibling::*)">}</xsl:if>
   </xsl:template>
@@ -180,4 +171,4 @@
     <xsl:apply-templates select="node()"/>
   </xsl:template>
 
-</xsl:stylesheet>
+</xsl:stylesheet>