<?xml version="1.0" encoding="utf-8"?>

<xsl:stylesheet version="1.0"
  xmlns:xsl="http://www.w3.org/1999/XSL/Transform" 
  xmlns:g="http://www.topografix.com/GPX/1/0" 
  xmlns:gsak="http://www.gsak.net/xmlv1/4" 
  xmlns:groundspeak="http://www.groundspeak.com/cache/1/0/1">

<xsl:output method="text" encoding="UTF-8" />

<xsl:variable name="apos">'</xsl:variable>
<xsl:variable name="quot">"</xsl:variable>  
  
<xsl:template match="g:gpx">
  { "caches" : [
  <xsl:for-each select="g:wpt[string-length(gsak:wptExtension/gsak:Parent)=0]">
    <xsl:sort select="gsak:wptExtension/gsak:UserData" order="descending"/>
    {
    "no":"<xsl:value-of select="normalize-space(substring(gsak:wptExtension/gsak:UserData,5))" />",
    "wpt":"<xsl:value-of select="g:name" />",
    "lat":"<xsl:value-of select="@lat" />",
    "lon":"<xsl:value-of select="@lon" />",
    "date":"<xsl:value-of select="gsak:wptExtension/gsak:UserFound" />",
    "name":"<xsl:value-of select="translate(groundspeak:cache/groundspeak:name,$quot,$apos)" />",
    "by":"<xsl:value-of select="translate(groundspeak:cache/groundspeak:placed_by,$quot,$apos)" />",
    "type":"<xsl:value-of select="substring(groundspeak:cache/groundspeak:type,1,3)" />",
    "ftf":"<xsl:value-of select="substring(gsak:wptExtension/gsak:FirstToFind,1,1)" />"
    }
    <xsl:if test="position()!=last()">,</xsl:if>
  </xsl:for-each>    
  ] }
</xsl:template>

</xsl:stylesheet>