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Editing: json2xml.xslt
<?xml version="1.0" encoding="utf-8"?> <!-- Downloaded on 12/6/2012 from http://www.gerixsoft.com/blog/xslt/json2xml --> <xsl:stylesheet version="2.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> <xsl:template match="json"> <xsl:copy> <xsl:copy-of select="@*"/> <xsl:call-template name="json2xml"> <xsl:with-param name="text" select="."/> </xsl:call-template> </xsl:copy> </xsl:template> <xsl:template name="json2xml"> <xsl:param name="text"/> <xsl:variable name="mode0"> <xsl:variable name="regexps" select="'//(.*?)\n', '/\*(.*?)\*/', '(''|")(([^\\]|\\[\\"''/btnvfr])*?)\3', '(-?\d+(\.\d+([eE][+-]?\d+)?|[eE][+-]?\d+))', '(-?[1-9]\d*)', '(-?0[0-7]+)', '(-?0x[0-9a-fA-F]+)', '([:,\{\}\[\]])', '(true|false)', '(null)'"/> <xsl:analyze-string select="$text" regex="{string-join($regexps,'|')}" flags="s"> <xsl:matching-substring> <xsl:choose> <!-- single line comment --> <xsl:when test="regex-group(1)"> <xsl:comment> <xsl:value-of select="regex-group(1)"/> </xsl:comment> <xsl:text> </xsl:text> </xsl:when> <!-- multi line comment --> <xsl:when test="regex-group(2)"> <xsl:comment> <xsl:value-of select="regex-group(2)"/> </xsl:comment> </xsl:when> <!-- string --> <xsl:when test="regex-group(3)"> <string> <xsl:analyze-string select="regex-group(4)" regex="\\([\\"'/btnvfr])" flags="s"> <xsl:matching-substring> <xsl:variable name="s" select="regex-group(1)"/> <xsl:choose> <xsl:when test="$s=('\', '"', '''', '/')"> <xsl:value-of select="regex-group(1)"/> </xsl:when> <xsl:when test="$s='b'"> <!--xsl:text></xsl:text--> <xsl:message select="'escape sequense \b is not supported by XML'"/> <xsl:text>\b</xsl:text> </xsl:when> <xsl:when test="$s='t'"> <xsl:text>	</xsl:text> </xsl:when> <xsl:when test="$s='n'"> <xsl:text> </xsl:text> </xsl:when> <xsl:when test="$s='v'"> <!--xsl:text></xsl:text--> <xsl:message select="'escape sequence \v is not supported by XML'"/> <xsl:text>\v</xsl:text> </xsl:when> <xsl:when test="$s='f'"> <!--xsl:text></xsl:text--> <xsl:message select="'escape sequence \f is not supported by XML'"/> <xsl:text>\f</xsl:text> </xsl:when> <xsl:when test="$s='r'"> <xsl:text> </xsl:text> </xsl:when> <xsl:otherwise> <xsl:message terminate="yes" select="'internal error'"/> </xsl:otherwise> </xsl:choose> </xsl:matching-substring> <xsl:non-matching-substring> <xsl:value-of select="."/> </xsl:non-matching-substring> </xsl:analyze-string> </string> </xsl:when> <!-- double --> <xsl:when test="regex-group(6)"> <double> <xsl:value-of select="regex-group(6)"/> </double> </xsl:when> <!-- integer --> <xsl:when test="regex-group(9)"> <integer> <xsl:value-of select="regex-group(9)"/> </integer> </xsl:when> <!-- octal --> <xsl:when test="regex-group(10)"> <integer> <xsl:value-of xmlns:Integer="java:java.lang.Integer" select="Integer:parseInt(regex-group(10), 8)"/> </integer> </xsl:when> <!-- hex --> <xsl:when test="regex-group(11)"> <integer> <xsl:value-of xmlns:Integer="java:java.lang.Integer" select="Integer:parseInt(replace(regex-group(11), '0x', ''), 16)"/> </integer> </xsl:when> <!-- symbol --> <xsl:when test="regex-group(12)"> <symbol> <xsl:value-of select="regex-group(12)"/> </symbol> </xsl:when> <!-- boolean --> <xsl:when test="regex-group(13)"> <boolean> <xsl:value-of select="regex-group(13)"/> </boolean> </xsl:when> <!-- null --> <xsl:when test="regex-group(14)"> <null /> </xsl:when> <xsl:otherwise> <xsl:message terminate="yes" select="'internal error'"/> </xsl:otherwise> </xsl:choose> </xsl:matching-substring> <xsl:non-matching-substring> <xsl:if test="normalize-space()!=''"> <xsl:message select="concat('unknown token: ', .)"/> <xsl:value-of select="."/> </xsl:if> </xsl:non-matching-substring> </xsl:analyze-string> </xsl:variable> <xsl:variable name="mode1"> <xsl:apply-templates mode="json2xml1" select="$mode0/node()[1]"/> </xsl:variable> <xsl:variable name="mode2"> <xsl:apply-templates mode="json2xml2" select="$mode1"/> </xsl:variable> <xsl:variable name="mode3"> <xsl:apply-templates mode="json2xml3" select="$mode2"/> </xsl:variable> <xsl:copy-of select="$mode3"/> <!-- change $mode3 to $mode[0-2] for easy debug --> </xsl:template> <!-- json2xml1 mode: group content between {} and [] into object and array elements --> <xsl:template mode="json2xml1" match="node()" priority="-9"> <xsl:copy-of select="."/> <xsl:apply-templates mode="json2xml1" select="following-sibling::node()[1]"/> </xsl:template> <xsl:template mode="json2xml1" match="symbol[.=('}',']')]"/> <xsl:template mode="json2xml1" match="symbol[.=('{','[')]"> <xsl:element name="{if (.='{') then 'object' else 'array'}"> <xsl:apply-templates mode="json2xml1" select="following-sibling::node()[1]"/> </xsl:element> <xsl:variable name="level" select="count(preceding-sibling::symbol[.=('{','[')])-count(preceding-sibling::symbol[.=('}',']')])+1"/> <xsl:variable name="ender" select="following-sibling::symbol[.=('}',']') and count(preceding-sibling::symbol[.=('{','[')])-count(preceding-sibling::symbol[.=('}',']')])=$level][1]"/> <xsl:apply-templates mode="json2xml1" select="$ender/following-sibling::node()[1]"/> </xsl:template> <!-- json2xml2 mode: group <string>:<string|integer|double|object|array> into field element --> <xsl:template priority="-9" mode="json2xml2" match="@*|node()"> <xsl:copy> <xsl:apply-templates mode="json2xml2" select="@*|node()"/> </xsl:copy> </xsl:template> <xsl:template mode="json2xml2" match="string[following-sibling::*[1]/self::symbol[.=':'] and following-sibling::*[2]/(self::string|self::integer|self::double|self::boolean|self::object|self::array|self::null)]"/> <xsl:template mode="json2xml2" match="symbol[.=':'][preceding-sibling::*[1]/self::string and following-sibling::*[1]/(self::string|self::integer|self::double|self::boolean|self::object|self::array|self::null)]"> <field name="{preceding-sibling::*[1]}"> <xsl:for-each select="following-sibling::*[1]"> <xsl:copy> <xsl:apply-templates mode="json2xml2" select="@*|node()"/> </xsl:copy> </xsl:for-each> </field> </xsl:template> <xsl:template mode="json2xml2" match="*[self::string|self::integer|self::double|self::boolean|self::object|self::array|self::null][preceding-sibling::*[2]/self::string and preceding-sibling::*[1]/self::symbol[.=':']]"/> <!-- json2xml3 mode: drop comma between consecutive field and object elements --> <xsl:template priority="-9" mode="json2xml3" match="@*|node()"> <xsl:copy> <xsl:apply-templates mode="json2xml3" select="@*|node()"/> </xsl:copy> </xsl:template> <xsl:template mode="json2xml3" match="object/symbol[.=','][preceding-sibling::*[1]/self::field and following-sibling::*[1]/self::field]"/> <xsl:template mode="json2xml3" match="array/symbol[.=','][preceding-sibling::*[1]/(self::string|self::integer|self::double|self::boolean|self::object|self::array|self::null) and following-sibling::*[1]/(self::string|self::integer|self::double|self::boolean|self::object|self::array|self::null)]"/> </xsl:stylesheet>
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