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Edit File: json2xml.xslt

<?xml version="1.0" encoding="utf-8"?>

<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', '/\*(.*?)\*/', '(''|&quot;)(([^\\]|\\[\\&quot;''/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>
						
						<xsl:when test="regex-group(1)">
							<xsl:comment>
								<xsl:value-of select="regex-group(1)"/>
							</xsl:comment>
							<xsl:text>&#10;</xsl:text>
						</xsl:when>
						
						<xsl:when test="regex-group(2)">
							<xsl:comment>
								<xsl:value-of select="regex-group(2)"/>
							</xsl:comment>
						</xsl:when>
						
						<xsl:when test="regex-group(3)">
							<string>
								<xsl:analyze-string select="regex-group(4)" regex="\\([\\&quot;'/btnvfr])" flags="s">
									<xsl:matching-substring>
										<xsl:variable name="s" select="regex-group(1)"/>
										<xsl:choose>
											<xsl:when test="$s=('\', '&quot;', '''', '/')">
												<xsl:value-of select="regex-group(1)"/>
											</xsl:when>
											<xsl:when test="$s='b'">
												
												<xsl:message select="'escape sequense \b is not supported by XML'"/>
												<xsl:text>\b</xsl:text>
											</xsl:when>
											<xsl:when test="$s='t'">
												<xsl:text>&#9;</xsl:text>
											</xsl:when>
											<xsl:when test="$s='n'">
												<xsl:text>&#10;</xsl:text>
											</xsl:when>
											<xsl:when test="$s='v'">
												
												<xsl:message select="'escape sequence \v is not supported by XML'"/>
												<xsl:text>\v</xsl:text>
											</xsl:when>
											<xsl:when test="$s='f'">
												
												<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>&#13;</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>
						
						<xsl:when test="regex-group(6)">
							<double>
								<xsl:value-of select="regex-group(6)"/>
							</double>
						</xsl:when>
						
						<xsl:when test="regex-group(9)">
							<integer>
								<xsl:value-of select="regex-group(9)"/>
							</integer>
						</xsl:when>
						
						<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>
						
						<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>
						
						<xsl:when test="regex-group(12)">
							<symbol>
								<xsl:value-of select="regex-group(12)"/>
							</symbol>
						</xsl:when>
						
						<xsl:when test="regex-group(13)">
							<boolean>
								<xsl:value-of select="regex-group(13)"/>
							</boolean>
						</xsl:when>
						
						<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"/> 
	</xsl:template>

<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>

<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="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 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:stylesheet>

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