How can be get CDATA data by xslt? - oracle

Question

I am able to parse xml to json by
http://www.armbruster-it.org/index.php/12-it/pl-sql/12-oracle-xml-and-json-goodies
But when any CDATA come it fail . Can you tell me the rule of xslt so that i can copy all data that is written in CDATA as it is in json .
> select
> packagename.itstar_xml_util.xml2json(xmltype('<ArticleDetail><![CDATA[<P
> class=MsoNormal style="MARGIN: 0in 0in 0pt"></P>]]></ArticleDetail>'))
> FROM DUAL;
This is data
<ArticleDetail><![CDATA[<P class=MsoNormal style="MARGIN: 0in 0in 0pt"></P>]]></ArticleDetail>
The xslt is
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output indent="no" omit-xml-declaration="yes" method="text" encoding="UTF-8" media-type="text/x-json"/>
<xsl:strip-space elements="*"/>
<!--contant-->
<xsl:variable name="d">0123456789</xsl:variable>
<!-- ignore document text -->
<xsl:template match="text()[preceding-sibling::node() or following-sibling::node()]"/>
<!-- string -->
<xsl:template match="text()">
<xsl:call-template name="escape-string">
<xsl:with-param name="s" select="."/>
</xsl:call-template>
</xsl:template>
<!-- Main template for escaping strings; used by above template and for object-properties
Responsibilities: placed quotes around string, and chain up to next filter, escape-bs-string -->
<xsl:template name="escape-string">
<xsl:param name="s"/>
<xsl:text>"</xsl:text>
<xsl:call-template name="escape-bs-string">
<xsl:with-param name="s" select="$s"/>
</xsl:call-template>
<xsl:text>"</xsl:text>
</xsl:template>
<!-- Escape the backslash (\) before everything else. -->
<xsl:template name="escape-bs-string">
<xsl:param name="s"/>
<xsl:choose>
<xsl:when test="contains($s,''\'')">
<xsl:call-template name="escape-quot-string">
<xsl:with-param name="s" select="concat(substring-before($s,''\''),''\\'')"/>
</xsl:call-template>
<xsl:call-template name="escape-bs-string">
<xsl:with-param name="s" select="substring-after($s,''\'')"/>
</xsl:call-template>
</xsl:when>
<xsl:otherwise>
<xsl:call-template name="escape-quot-string">
<xsl:with-param name="s" select="$s"/>
</xsl:call-template>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<!-- Escape the double quote ("). -->
<xsl:template name="escape-quot-string">
<xsl:param name="s"/>
<xsl:choose>
<xsl:when test="contains($s,'';'')">
<xsl:call-template name="encode-string">
<xsl:with-param name="s" select="concat(substring-before($s,'';''),''"'')"/>
</xsl:call-template>
<xsl:call-template name="escape-quot-string">
<xsl:with-param name="s" select="substring-after($s,'';'')"/>
</xsl:call-template>
</xsl:when>
<xsl:otherwise>
<xsl:call-template name="encode-string">
<xsl:with-param name="s" select="$s"/>
</xsl:call-template>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<!-- Replace tab, line feed and/or carriage return by its matching escape code. Can''t escape backslash
or double quote here, because they don''t replace characters (; becomes \t), but they prefix
characters (\ becomes \\). Besides, backslash should be seperate anyway, because it should be
processed first. This function can''t do that. -->
<xsl:template name="encode-string">
<xsl:param name="s"/>
<xsl:choose>
<!-- tab -->
<xsl:when test="contains($s,'';'')">
<xsl:call-template name="encode-string">
<xsl:with-param name="s" select="concat(substring-before($s,'';''),''\t'',substring-after($s,'';''))"/>
</xsl:call-template>
</xsl:when>
<!-- line feed -->
<xsl:when test="contains($s,'';'')">
<xsl:call-template name="encode-string">
<xsl:with-param name="s" select="concat(substring-before($s,'';''),''\n'',substring-after($s,'';''))"/>
</xsl:call-template>
</xsl:when>
<!-- carriage return -->
<xsl:when test="contains($s,'';'')">
<xsl:call-template name="encode-string">
<xsl:with-param name="s" select="concat(substring-before($s,'';''),''\r'',substring-after($s,'';''))"/>
</xsl:call-template>
</xsl:when>
<xsl:otherwise><xsl:value-of select="$s"/></xsl:otherwise>
</xsl:choose>
</xsl:template>
<!-- number (no support for javascript mantise) -->
<xsl:template match="text()[not(string(number())=''NaN'')]">
<xsl:value-of select="."/>
</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:if test="not(following-sibling::*)">}</xsl:if> <!-- MBR 30.01.2010: added this line as it appeared to be missing from stylesheet -->
</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()"/>
<xsl:if test="following-sibling::*">,</xsl:if>
<xsl:if test="not(following-sibling::*)">}</xsl:if>
</xsl:template>
<!-- array -->
<xsl:template match="*[count(../*[name(../*)=name(.)])=count(../*) and count(../*)>1]">
<xsl:if test="not(preceding-sibling::*)">[</xsl:if>
<xsl:choose>
<xsl:when test="not(child::node())">
<xsl:text>null</xsl:text>
</xsl:when>
<xsl:otherwise>
<xsl:apply-templates select="child::node()"/>
</xsl:otherwise>
</xsl:choose>
<xsl:if test="following-sibling::*">,</xsl:if>
<xsl:if test="not(following-sibling::*)">]</xsl:if>
</xsl:template>
<!-- convert root element to an anonymous container -->
<xsl:template match="/">
<xsl:apply-templates select="node()"/>
</xsl:template>
</xsl:stylesheet>