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Much progress especially on usnistgov#51 - XML to JSON converter gene…
…rator, including XML to supermodel, supermodel to JSON
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toolchains/xslt-proto-v04/converter-gen/produce-xml-converter.xsl
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| <?xml version="1.0" encoding="UTF-8"?> | ||
| <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" | ||
| xmlns:xs="http://www.w3.org/2001/XMLSchema" | ||
| xmlns:math="http://www.w3.org/2005/xpath-functions/math" | ||
| xmlns:m="http://csrc.nist.gov/ns/oscal/metaschema/1.0" | ||
| xmlns:XSLT="http://csrc.nist.gov/ns/oscal/metaschema/xslt-alias" | ||
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| xpath-default-namespace="http://csrc.nist.gov/ns/oscal/metaschema/1.0" | ||
| exclude-result-prefixes="xs math" | ||
| version="3.0" | ||
| xmlns="http://csrc.nist.gov/ns/oscal/metaschema/1.0/supermodel"> | ||
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| <!-- Purpose: Produce an XSLT for converting XML valid to a Metaschema model, to its supermodel equivalent. --> | ||
| <!-- Input: A Metaschema definition map --> | ||
| <!-- Output: An XSLT --> | ||
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| <xsl:output indent="yes"/> | ||
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| <xsl:namespace-alias stylesheet-prefix="XSLT" result-prefix="xsl"/> | ||
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| <xsl:variable name="source-namespace" select="string(/*/@namespace)"/> | ||
| <xsl:variable name="source-prefix" select="string(/*/@prefix)"/> | ||
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| <xsl:template match="/model"> | ||
| <XSLT:stylesheet version="3.0" xpath-default-namespace="{ $source-namespace }" | ||
| exclude-result-prefixes="#all"> | ||
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| <XSLT:strip-space elements="{distinct-values(//assembly/@gi)}"/> | ||
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| <xsl:comment> METASCHEMA conversion stylesheet supports XML -> METASCHEMA/SUPERMODEL conversion </xsl:comment> | ||
| <xsl:text>
</xsl:text> | ||
| <xsl:comment> 888888888888888888888888888888888888888888888888888888888888888888888888888888888 </xsl:comment> | ||
| <xsl:text>
</xsl:text> | ||
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| <!--<XSLT:character-map name="delimiters"> | ||
| <!-\- Rewrites Unicode PUA char E0000 to reverse solidus -\-> | ||
| <!-\-<XSLT:output-character character="󠀀" string="\"/>-\-> | ||
| </XSLT:character-map>--> | ||
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| <!-- first we produce templates for (each) of the global definitions.--> | ||
| <xsl:for-each-group select="//*[@scope = 'global']" | ||
| group-by="string-join((local-name(), @gi), ':')"> | ||
| <!-- These are all the same so we do only one --> | ||
| <xsl:apply-templates select="current-group()[1]" mode="make-template"/> | ||
| </xsl:for-each-group> | ||
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| <!-- next we produce templates for local definitions --> | ||
| <xsl:apply-templates select=".//assembly | .//field | .//flag" mode="make-template-for-local"/> | ||
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| <!--finally, a template for copying prose across, stripping ns --> | ||
| <XSLT:template match="*" mode="cast-prose"> | ||
| <XSLT:element name="{{ local-name() }}" namespace="http://csrc.nist.gov/ns/oscal/metaschema/1.0/supermodel"> | ||
| <XSLT:copy-of select="@*"/> | ||
| <XSLT:apply-templates mode="#current"/> | ||
| </XSLT:element> | ||
| </XSLT:template> | ||
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| </XSLT:stylesheet> | ||
| </xsl:template> | ||
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| <xsl:template match="*[@scope='global']" mode="make-template-for-local"/> | ||
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| <xsl:template match="*" mode="make-template-for-local"> | ||
| <xsl:apply-templates select="." mode="make-template"/> | ||
| </xsl:template> | ||
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| <!-- no template for implicit wrappers on markup-multiline --> | ||
| <xsl:template priority="2" match="field[empty(@gi)][value/@as-type='markup-multiline']" mode="make-template"/> | ||
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| <xsl:template match="*" mode="make-template"> | ||
| <xsl:variable name="matching"> | ||
| <xsl:apply-templates select="." mode="make-xml-match"/> | ||
| </xsl:variable> | ||
| <xsl:variable name="json-key-flag-name" select="@json-key-flag"/> | ||
| <XSLT:template match="{ $matching}"> | ||
| <xsl:element name="{ local-name() }" namespace="http://csrc.nist.gov/ns/oscal/metaschema/1.0/supermodel"> | ||
| <xsl:copy-of select="@* except @scope"/> | ||
| <xsl:if test="self::field[empty(flag[not(@key=$json-key-flag-name)])]"> | ||
| <xsl:attribute name="in-json">STRING</xsl:attribute> | ||
| </xsl:if> | ||
| <xsl:for-each select="parent::model" expand-text="true"> | ||
| <XSLT:if test=". is /*"> | ||
| <XSLT:attribute name="namespace">{ $source-namespace }</XSLT:attribute> | ||
| <!-- don't need unless we have a requirement to prefix in serialization: <XSLT:attribute name="prefix">{ $source-prefix }</XSLT:attribute>--> | ||
| </XSLT:if> | ||
| </xsl:for-each> | ||
| <xsl:apply-templates select="*" mode="make-pull"/> | ||
| </xsl:element> | ||
| </XSLT:template> | ||
| </xsl:template> | ||
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| <xsl:template match="flag" mode="make-template"> | ||
| <xsl:variable name="matching"> | ||
| <xsl:apply-templates select="." mode="make-xml-match"/> | ||
| </xsl:variable> | ||
| <XSLT:template match="{ $matching}"> | ||
| <flag> | ||
| <xsl:copy-of select="@* except @scope"/> | ||
| <XSLT:value-of select="."/> | ||
| </flag> | ||
| </XSLT:template> | ||
| </xsl:template> | ||
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| <xsl:template priority="11" match="flag[@scope='global']" mode="make-xml-match make-xml-step"> | ||
| <xsl:text>@</xsl:text> | ||
| <xsl:value-of select="@gi"/> | ||
| </xsl:template> | ||
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| <xsl:template priority="10" match="*[@scope='global']" mode="make-xml-match make-xml-step"> | ||
| <xsl:value-of select="@gi"/> | ||
| </xsl:template> | ||
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| <xsl:template match="*" mode="make-xml-match"> | ||
| <xsl:for-each select="ancestor-or-self::*[@gi]"> | ||
| <xsl:value-of select="if (exists(self::flag)) then '/@' else '/'"/> | ||
| <xsl:apply-templates select="." mode="make-xml-step"/> | ||
| </xsl:for-each> | ||
| </xsl:template> | ||
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| <xsl:template match="*" mode="make-pull"> | ||
| <pull who="{local-name()}"> | ||
| <xsl:copy-of select="@gi | @key"/> | ||
| </pull> | ||
| </xsl:template> | ||
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| <xsl:variable name="prose-elements">p | ul | ol | pre | h1 | h2 | h3 | h4 | h5 | h6 | table</xsl:variable> | ||
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| <!-- A field without a GI is implicit in the XML --> | ||
| <xsl:template priority="2" match="field[empty(@gi)][value/@as-type='markup-multiline']" mode="make-pull"> | ||
| <XSLT:for-each-group select="{ $prose-elements }" group-by="true()"> | ||
| <field> | ||
| <xsl:copy-of select="@gi | @key"/> | ||
| <XSLT:apply-templates select="current-group()" mode="cast-prose"/> | ||
| </field> | ||
| </XSLT:for-each-group> | ||
| </xsl:template> | ||
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| <xsl:template match="flag" mode="make-pull"> | ||
| <XSLT:apply-templates select="@{@gi}"/> | ||
| </xsl:template> | ||
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| <xsl:template match="field | assembly | group[exists(@gi)]" mode="make-pull"> | ||
| <XSLT:apply-templates select="{@gi}"/> | ||
| </xsl:template> | ||
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| <xsl:template priority="2" match="group" mode="make-pull"> | ||
| <xsl:variable name="json-grouping" select="if (exists(@group-json)) then @group-json else 'SINGLETON_OR_ARRAY'"/> | ||
| <XSLT:for-each-group select="{ */@gi }" group-by="true()"> | ||
| <group in-json="{ $json-grouping }"> | ||
| <xsl:copy-of select="@key"/> | ||
| <XSLT:apply-templates select="current-group()"/> | ||
| </group> | ||
| </XSLT:for-each-group> | ||
| </xsl:template> | ||
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| <!--<xsl:template match="field | assembly" mode="make-pull"> | ||
| <XSLT:for-each select="{@gi}"> | ||
| <xsl:element name="{ local-name() }" | ||
| namespace="http://csrc.nist.gov/ns/oscal/metaschema/1.0/supermodel"> | ||
| <xsl:copy-of select="@gi | @key"/> | ||
| <xsl:apply-templates mode="#current"/> | ||
| </xsl:element> | ||
| </XSLT:for-each> | ||
| </xsl:template>--> | ||
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| <xsl:template match="value[@as-type='markup-multiline']" mode="make-pull"> | ||
| <XSLT:for-each-group select="{ $prose-elements }" group-by="true()"> | ||
| <XSLT:apply-templates select="current-group()" mode="cast-prose"/> | ||
| </XSLT:for-each-group> | ||
| </xsl:template> | ||
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| <xsl:template match="value" mode="make-pull"> | ||
| <value> | ||
| <xsl:copy-of select="@gi | @key | @as-type"/> | ||
| <XSLT:value-of select="."/> | ||
| </value> | ||
| </xsl:template> | ||
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| </xsl:stylesheet> |
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