json.xsl
251 lines
| 8.1 KiB
| application/xml
|
XsltLexer
cin
|
r289 | <?xml version="1.0" encoding="UTF-8"?> | |
<xsl:stylesheet version="1.0" | |||
xmlns:xsl="http://www.w3.org/1999/XSL/Transform" | |||
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" | |||
xmlns:exsl="http://exslt.org/common"> | |||
<xsl:output method="text" /> | |||
<xsl:template match="/"> | |||
<xsl:apply-templates mode="json-value" /> | |||
</xsl:template> | |||
<!-- handle json-object --> | |||
<xsl:template match="*" mode="json-object"> | |||
<xsl:call-template name="write-members"/> | |||
</xsl:template> | |||
<xsl:template match="*|@*" mode="json-member"> | |||
<xsl:param name="values" select="."/> | |||
<xsl:call-template name="write-string"> | |||
<xsl:with-param name="text"><xsl:apply-templates select="." mode="json-member-name"/></xsl:with-param> | |||
</xsl:call-template> | |||
<xsl:text> : </xsl:text> | |||
<xsl:apply-templates select="." mode="json-member-value"> | |||
<xsl:with-param name="values" select="$values"/> | |||
</xsl:apply-templates> | |||
</xsl:template> | |||
<xsl:template match="*" mode="json-member-name"> | |||
<xsl:value-of select="local-name(.)"/> | |||
</xsl:template> | |||
<xsl:template match="@*" mode="json-member-name"> | |||
<xsl:value-of select="concat('_',local-name(.))"/> | |||
</xsl:template> | |||
<xsl:template match="*|@*" mode="json-member-value"> | |||
<xsl:param name="values" select="."/> | |||
<xsl:choose> | |||
<xsl:when test="count($values) > 1"> | |||
<xsl:call-template name="write-array"> | |||
<xsl:with-param name="values" select="$values"/> | |||
</xsl:call-template> | |||
</xsl:when> | |||
<xsl:otherwise> | |||
<xsl:apply-templates select="$values" mode="json-value"/> | |||
</xsl:otherwise> | |||
</xsl:choose> | |||
</xsl:template> | |||
<xsl:template match="*|@*" mode="json-array-item"> | |||
<xsl:apply-templates select="." mode="json-value"/> | |||
<xsl:if test="position() != last()"> | |||
<xsl:text>, </xsl:text> | |||
</xsl:if> | |||
</xsl:template> | |||
<!-- handle json-value --> | |||
<xsl:template match="text()[. = 'true'] | @*[. = 'true']" mode="json-value"> | |||
<xsl:text>true</xsl:text> | |||
</xsl:template> | |||
<xsl:template match="text()[. = 'false'] | @*[. = 'false']" | |||
mode="json-value"> | |||
<xsl:text>false</xsl:text> | |||
</xsl:template> | |||
<xsl:template match="text()[string(number(.)) != 'NaN'] | @*[string(number(.)) != 'NaN']" | |||
mode="json-value"> | |||
<xsl:value-of select="number(.)" /> | |||
</xsl:template> | |||
<xsl:template match="text()|@*" mode="json-value"> | |||
<xsl:call-template name="write-string"> | |||
<xsl:with-param name="text" select="."/> | |||
</xsl:call-template> | |||
</xsl:template> | |||
<xsl:template match="*[boolean(* | @*) or not(text())]" mode="json-value"> | |||
<xsl:call-template name="write-object"/> | |||
</xsl:template> | |||
<xsl:template match="*[@xsi:nil = 'true']" mode="json-value"> | |||
<xsl:text>null</xsl:text> | |||
</xsl:template> | |||
<!-- template traits --> | |||
<xsl:template name="write-value"> | |||
<xsl:param name="value" select="."/> | |||
<xsl:apply-templates select="$value" mode="json-value"/> | |||
</xsl:template> | |||
<xsl:template name="write-member"> | |||
<xsl:param name="name"/> | |||
<xsl:param name="value"/> | |||
<xsl:call-template name="write-string"> | |||
<xsl:with-param name="text" select="$name"/> | |||
</xsl:call-template> | |||
<xsl:text> : </xsl:text> | |||
<xsl:apply-templates select="$value" mode="json-value"/> | |||
</xsl:template> | |||
<xsl:template name="write-member-string"> | |||
<xsl:param name="name"/> | |||
<xsl:param name="value"/> | |||
<xsl:call-template name="write-string"> | |||
<xsl:with-param name="text" select="$name"/> | |||
</xsl:call-template> | |||
<xsl:text> : </xsl:text> | |||
<xsl:call-template name="write-string"> | |||
<xsl:with-param name="text" select="$value"/> | |||
</xsl:call-template> | |||
</xsl:template> | |||
<xsl:template name="write-member-array"> | |||
<xsl:param name="name"/> | |||
<xsl:param name="values"/> | |||
<xsl:call-template name="write-string"> | |||
<xsl:with-param name="text" select="$name"/> | |||
</xsl:call-template> | |||
<xsl:text> : </xsl:text> | |||
<xsl:call-template name="write-array"> | |||
<xsl:with-param name="values" select="$values"/> | |||
</xsl:call-template> | |||
</xsl:template> | |||
<xsl:template name="write-separator"> | |||
<xsl:text>, </xsl:text> | |||
</xsl:template> | |||
<!-- specialized template traits --> | |||
<xsl:template name="write-string"> | |||
<xsl:param name="text"/> | |||
<xsl:text>"</xsl:text> | |||
<xsl:call-template name="escape-bs-string"> | |||
<xsl:with-param name="s" select="$text"/> | |||
</xsl:call-template> | |||
<xsl:text>"</xsl:text> | |||
</xsl:template> | |||
<xsl:template name="write-object"> | |||
<xsl:param name="value" select="."/> | |||
<xsl:text>{ </xsl:text> | |||
<xsl:apply-templates select="$value" mode="json-object"/> | |||
<xsl:text> }</xsl:text> | |||
</xsl:template> | |||
<xsl:template name="write-array"> | |||
<xsl:param name="values"/> | |||
<xsl:text>[ </xsl:text> | |||
<xsl:apply-templates select="$values" mode="json-array-item"/> | |||
<xsl:text> ]</xsl:text> | |||
</xsl:template> | |||
<xsl:template name="write-members"> | |||
<xsl:param name="members" select="*"/> | |||
<xsl:for-each select="$members"> | |||
<xsl:variable name="current" select="."/> | |||
<xsl:variable name="values" select="$members[local-name(.) = local-name($current)]"/> | |||
<xsl:if test="generate-id($current) = generate-id($values)"> | |||
<xsl:if test="position()>1"> | |||
<xsl:call-template name="write-separator"/> | |||
</xsl:if> | |||
<xsl:apply-templates select="$current" mode="json-member"> | |||
<xsl:with-param name="values" select="$values"/> | |||
</xsl:apply-templates> | |||
</xsl:if> | |||
</xsl:for-each> | |||
</xsl:template> | |||
<!-- escape string --> | |||
<!-- | |||
Copyright (c) 2006,2008 Doeke Zanstra | |||
All rights reserved. | |||
https://github.com/doekman/xml2json-xslt/blob/master/xml2json.xslt | |||
--> | |||
<!-- 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> | |||
</xsl:stylesheet> |