enhancer/engines/xmpextractor/src/main/resources/xslt/hatom2rdf.xsl - stanbol - Git at Google

 <?xml version="1.0" encoding="ISO-8859-1"?>
 <!--
   Licensed to the Apache Software Foundation (ASF) under one or more
   contributor license agreements.  See the NOTICE file distributed with
   this work for additional information regarding copyright ownership.
   The ASF licenses this file to You under the Apache License, Version 2.0
   (the "License"); you may not use this file except in compliance with
   the License.  You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
 -->
 <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
   xmlns:exslt="http://exslt.org/common"
   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
   xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
   xmlns:nfo="http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#"
   xmlns:nie="http://www.semanticdesktop.org/ontologies/2007/01/19/nie#"
   xmlns:tag="http://aperture.sourceforge.net/ontologies/tagging#"
   xmlns:atom="http://www.w3.org/2005/Atom#"
   >

 	<xsl:import href="functions.xsl"/>
 	<xsl:import href="datetime.xsl"/>
 	<xsl:import href="htmltextextract.xsl"/>
 	<xsl:import href="hcard2rdf.xsl"/>

   <xsl:output method="xml"/>

   <xsl:strip-space elements="*"/>

   <xsl:param name="uri" select="'http://foobar.com/'"/>

   <xsl:variable name="AtomNS">http://www.w3.org/2005/Atom#</xsl:variable>
 	<xsl:variable name="XdtNS">http://www.w3.org/2001/XMLSchema#</xsl:variable>

   <xsl:template match="text()"/>
   <xsl:template match="text()" mode="hatom-toplevel"/>
   <xsl:template match="text()" mode="extract-hatom"/>

 	<xsl:template match="/">
 		<rdf:RDF>
 			<tag:Item rdf:about="{$uri}">
 				<xsl:apply-templates select="descendant::*[contains(concat(' ',normalize-space(@class),' '),' hentry ')]">
 					<xsl:with-param name="outer">contains</xsl:with-param>
 					<xsl:with-param name="ns"  select="'http://www.semanticdesktop.org/ontologies/2007/01/19/nie#'"/>
 				</xsl:apply-templates>
 			</tag:Item>
 		</rdf:RDF>
 	</xsl:template>

 	<xsl:template match="*[contains(concat(' ',normalize-space(@class),' '),' hentry ')]">
 		<xsl:param name="outer" />
 		<xsl:param name="ns"/>
 		<xsl:choose>
 			<xsl:when test="$outer and $ns">
 				<xsl:element name="{$outer}" namespace="{$ns}">
 					<xsl:apply-templates select="." mode="hatom-toplevel" />
 				</xsl:element>
 			</xsl:when>
 			<xsl:otherwise>
 				<xsl:apply-templates select="." mode="hatom-toplevel" />
 			</xsl:otherwise>
 		</xsl:choose>
 	</xsl:template>

 	<xsl:template match="*" mode="hatom-toplevel">
 		<atom:Entry>
 			<xsl:apply-templates mode="extract-hatom" />
 			<xsl:apply-templates>
 				<xsl:with-param name="outer" select="'contains'"/>
 				<xsl:with-param name="ns" select="'http://www.semanticdesktop.org/ontologies/2007/01/19/nie#'"/>
 			</xsl:apply-templates>
 		</atom:Entry>
 	</xsl:template>

 	<!--  atom spec looks complicated  hentry simpler? -->
 	<!--  fields: entry-title, entry-content, entry-summary, updated (datetime), published (datetime), author (hCard), bookmark (rel-bookmark), tags -->
 	<xsl:template match="*" mode="extract-hatom">
 			<xsl:variable name="link">
 				<xsl:call-template name="checkClass">
 					<xsl:with-param name="class" select="@rel"/>
 					<xsl:with-param name="val" select="' bookmark '"/>
 				</xsl:call-template>
 			</xsl:variable>
 			<xsl:variable name="title">
 				<xsl:call-template name="checkClass">
 					<xsl:with-param name="val" select="' entry-title '"/>
 				</xsl:call-template>
 			</xsl:variable>
 			<!--  TODO: might be several lines -->
 			<xsl:variable name="content">
 				<xsl:call-template name="checkClass">
 					<xsl:with-param name="val" select="' entry-content '"/>
 				</xsl:call-template>
 			</xsl:variable>
 			<xsl:variable name="summary">
 				<xsl:call-template name="checkClass">
 					<xsl:with-param name="val" select="' entry-summary '"/>
 				</xsl:call-template>
 			</xsl:variable>
 			<xsl:variable name="updated">
 				<xsl:call-template name="checkClass">
 					<xsl:with-param name="val" select="' updated '"/>
 				</xsl:call-template>
 			</xsl:variable>
 			<xsl:variable name="published">
 				<xsl:call-template name="checkClass">
 					<xsl:with-param name="val" select="' published '"/>
 				</xsl:call-template>
 			</xsl:variable>
 			<xsl:variable name="author">
 				<xsl:call-template name="checkClass">
 					<xsl:with-param name="val" select="' author '"/>
 				</xsl:call-template>
 			</xsl:variable>
 			<xsl:if test="$title != 0">
 				<atom:title>
 					<xsl:value-of select="normalize-space(.)"/>
 				</atom:title>
 			</xsl:if>
 			<xsl:if test="$content != 0">
 				<atom:content>
 					<xsl:apply-templates mode="textextract"/>
 				</atom:content>
 			</xsl:if>
 			<xsl:if test="$summary != 0">
 				<atom:summary>
 					<xsl:value-of select="normalize-space(.)"/>
 				</atom:summary>
 			</xsl:if>
 			<xsl:if test="$updated != 0">
 				<atom:updated>
 					<xsl:call-template name="get-datetime"/>
 				</atom:updated>
 			</xsl:if>
 			<xsl:if test="$published != 0">
 				<atom:published>
 					<xsl:call-template name="get-datetime"/>
 				</atom:published>
 			</xsl:if>
 			<xsl:if test="$author != 0">
 				<atom:author>
 					<xsl:apply-templates select="." mode="vcard-toplevel"/>
 					<xsl:call-template name="addVisited">
 						<xsl:with-param name="id" select="generate-id(.)"/>
 					</xsl:call-template>
 				</atom:author>
 			</xsl:if>
 			<xsl:if test="$link != 0">
 				<atom:link>
 					<xsl:attribute name="rdf:resource">
 						<xsl:call-template name="resolveUri">
 							<xsl:with-param name="base" select="$uri" />
 							<xsl:with-param name="ref" select="@href" />
 						</xsl:call-template>
 					</xsl:attribute>
 				</atom:link>
 			</xsl:if>
 			<!--  might lead to duplication on vcard?  -->
 		<xsl:apply-templates mode="extract-hatom"/>
 	</xsl:template>

 	<!--  from hcal2rdf -->
 	<xsl:template name="get-datetime">
 		<xsl:variable name="when">
 			<xsl:choose>
 				<xsl:when test="@title">
 					<xsl:value-of select="normalize-space(@title)" />
 				</xsl:when>
 				<xsl:when
 					test="descendant::*[contains(concat(' ',@class,' '),' value ')]">
 					<!--
 						TODO: datetime might be distributed over several class-value
 						elements
 					-->
 					<xsl:call-template name="extract-value-class" />
 				</xsl:when>
 				<xsl:otherwise>
 					<xsl:value-of select="normalize-space(.)" />
 				</xsl:otherwise>
 			</xsl:choose>
 		</xsl:variable>
 		<xsl:variable name="date">
 			<xsl:call-template name="getDate">
 				<xsl:with-param name="string" select="$when" />
 			</xsl:call-template>
 		</xsl:variable>
 		<xsl:variable name="time">
 			<xsl:call-template name="getTime">
 				<xsl:with-param name="string" select="$when" />
 			</xsl:call-template>
 		</xsl:variable>
 		<xsl:choose>
 			<xsl:when
 				test="string-length($date) &gt; 0 and string-length($time) &gt; 0">
 				<xsl:attribute name="rdf:datatype">
 	    			<xsl:value-of select='concat($XdtNS, "dateTime")' />
 	  			</xsl:attribute>
 				<xsl:value-of select="concat($date,'T',$time)" />
 			</xsl:when>
 			<xsl:when test="string-length($date)">
 				<xsl:attribute name="rdf:datatype">
 	    			<xsl:value-of select='concat($XdtNS, "date")' />
 	  			</xsl:attribute>
 				<xsl:value-of select='$date' />
 			</xsl:when>
 			<!-- TODO resolve time against date? -->
 			<xsl:when test="string-length($time)">
 				<xsl:attribute name="rdf:datatype">
 	    			<xsl:value-of select='concat($XdtNS, "time")' />
 	  			</xsl:attribute>
 				<xsl:value-of select='$time' />
 			</xsl:when>
 			<xsl:otherwise>
 				<xsl:value-of select="$when" />
 			</xsl:otherwise>
 		</xsl:choose>
 	</xsl:template>

 </xsl:stylesheet>
	<?xml version="1.0" encoding="ISO-8859-1"?>
	<!--
	Licensed to the Apache Software Foundation (ASF) under one or more
	contributor license agreements. See the NOTICE file distributed with
	this work for additional information regarding copyright ownership.
	The ASF licenses this file to You under the Apache License, Version 2.0
	(the "License"); you may not use this file except in compliance with
	the License. You may obtain a copy of the License at

	http://www.apache.org/licenses/LICENSE-2.0

	Unless required by applicable law or agreed to in writing, software
	distributed under the License is distributed on an "AS IS" BASIS,
	WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	See the License for the specific language governing permissions and
	limitations under the License.
	-->
	<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
	xmlns:exslt="http://exslt.org/common"
	xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
	xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
	xmlns:nfo="http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#"
	xmlns:nie="http://www.semanticdesktop.org/ontologies/2007/01/19/nie#"
	xmlns:tag="http://aperture.sourceforge.net/ontologies/tagging#"
	xmlns:atom="http://www.w3.org/2005/Atom#"
	>

	<xsl:import href="functions.xsl"/>
	<xsl:import href="datetime.xsl"/>
	<xsl:import href="htmltextextract.xsl"/>
	<xsl:import href="hcard2rdf.xsl"/>

	<xsl:output method="xml"/>

	<xsl:strip-space elements="*"/>

	<xsl:param name="uri" select="'http://foobar.com/'"/>

	<xsl:variable name="AtomNS">http://www.w3.org/2005/Atom#</xsl:variable>
	<xsl:variable name="XdtNS">http://www.w3.org/2001/XMLSchema#</xsl:variable>

	<xsl:template match="text()"/>
	<xsl:template match="text()" mode="hatom-toplevel"/>
	<xsl:template match="text()" mode="extract-hatom"/>

	<xsl:template match="/">
	<rdf:RDF>
	<tag:Item rdf:about="{$uri}">
	<xsl:apply-templates select="descendant::*[contains(concat(' ',normalize-space(@class),' '),' hentry ')]">
	<xsl:with-param name="outer">contains</xsl:with-param>
	<xsl:with-param name="ns" select="'http://www.semanticdesktop.org/ontologies/2007/01/19/nie#'"/>
	</xsl:apply-templates>
	</tag:Item>
	</rdf:RDF>
	</xsl:template>

	<xsl:template match="*[contains(concat(' ',normalize-space(@class),' '),' hentry ')]">
	<xsl:param name="outer" />
	<xsl:param name="ns"/>
	<xsl:choose>
	<xsl:when test="$outer and $ns">
	<xsl:element name="{$outer}" namespace="{$ns}">
	<xsl:apply-templates select="." mode="hatom-toplevel" />
	</xsl:element>
	</xsl:when>
	<xsl:otherwise>
	<xsl:apply-templates select="." mode="hatom-toplevel" />
	</xsl:otherwise>
	</xsl:choose>
	</xsl:template>

	<xsl:template match="*" mode="hatom-toplevel">
	<atom:Entry>
	<xsl:apply-templates mode="extract-hatom" />
	<xsl:apply-templates>
	<xsl:with-param name="outer" select="'contains'"/>
	<xsl:with-param name="ns" select="'http://www.semanticdesktop.org/ontologies/2007/01/19/nie#'"/>
	</xsl:apply-templates>
	</atom:Entry>
	</xsl:template>

	<!-- atom spec looks complicated hentry simpler? -->
	<!-- fields: entry-title, entry-content, entry-summary, updated (datetime), published (datetime), author (hCard), bookmark (rel-bookmark), tags -->
	<xsl:template match="*" mode="extract-hatom">
	<xsl:variable name="link">
	<xsl:call-template name="checkClass">
	<xsl:with-param name="class" select="@rel"/>
	<xsl:with-param name="val" select="' bookmark '"/>
	</xsl:call-template>
	</xsl:variable>
	<xsl:variable name="title">
	<xsl:call-template name="checkClass">
	<xsl:with-param name="val" select="' entry-title '"/>
	</xsl:call-template>
	</xsl:variable>
	<!-- TODO: might be several lines -->
	<xsl:variable name="content">
	<xsl:call-template name="checkClass">
	<xsl:with-param name="val" select="' entry-content '"/>
	</xsl:call-template>
	</xsl:variable>
	<xsl:variable name="summary">
	<xsl:call-template name="checkClass">
	<xsl:with-param name="val" select="' entry-summary '"/>
	</xsl:call-template>
	</xsl:variable>
	<xsl:variable name="updated">
	<xsl:call-template name="checkClass">
	<xsl:with-param name="val" select="' updated '"/>
	</xsl:call-template>
	</xsl:variable>
	<xsl:variable name="published">
	<xsl:call-template name="checkClass">
	<xsl:with-param name="val" select="' published '"/>
	</xsl:call-template>
	</xsl:variable>
	<xsl:variable name="author">
	<xsl:call-template name="checkClass">
	<xsl:with-param name="val" select="' author '"/>
	</xsl:call-template>
	</xsl:variable>
	<xsl:if test="$title != 0">
	<atom:title>
	<xsl:value-of select="normalize-space(.)"/>
	</atom:title>
	</xsl:if>
	<xsl:if test="$content != 0">
	<atom:content>
	<xsl:apply-templates mode="textextract"/>
	</atom:content>
	</xsl:if>
	<xsl:if test="$summary != 0">
	<atom:summary>
	<xsl:value-of select="normalize-space(.)"/>
	</atom:summary>
	</xsl:if>
	<xsl:if test="$updated != 0">
	<atom:updated>
	<xsl:call-template name="get-datetime"/>
	</atom:updated>
	</xsl:if>
	<xsl:if test="$published != 0">
	<atom:published>
	<xsl:call-template name="get-datetime"/>
	</atom:published>
	</xsl:if>
	<xsl:if test="$author != 0">
	<atom:author>
	<xsl:apply-templates select="." mode="vcard-toplevel"/>
	<xsl:call-template name="addVisited">
	<xsl:with-param name="id" select="generate-id(.)"/>
	</xsl:call-template>
	</atom:author>
	</xsl:if>
	<xsl:if test="$link != 0">
	<atom:link>
	<xsl:attribute name="rdf:resource">
	<xsl:call-template name="resolveUri">
	<xsl:with-param name="base" select="$uri" />
	<xsl:with-param name="ref" select="@href" />
	</xsl:call-template>
	</xsl:attribute>
	</atom:link>
	</xsl:if>
	<!-- might lead to duplication on vcard? -->
	<xsl:apply-templates mode="extract-hatom"/>
	</xsl:template>

	<!-- from hcal2rdf -->
	<xsl:template name="get-datetime">
	<xsl:variable name="when">
	<xsl:choose>
	<xsl:when test="@title">
	<xsl:value-of select="normalize-space(@title)" />
	</xsl:when>
	<xsl:when
	test="descendant::*[contains(concat(' ',@class,' '),' value ')]">
	<!--
	TODO: datetime might be distributed over several class-value
	elements
	-->
	<xsl:call-template name="extract-value-class" />
	</xsl:when>
	<xsl:otherwise>
	<xsl:value-of select="normalize-space(.)" />
	</xsl:otherwise>
	</xsl:choose>
	</xsl:variable>
	<xsl:variable name="date">
	<xsl:call-template name="getDate">
	<xsl:with-param name="string" select="$when" />
	</xsl:call-template>
	</xsl:variable>
	<xsl:variable name="time">
	<xsl:call-template name="getTime">
	<xsl:with-param name="string" select="$when" />
	</xsl:call-template>
	</xsl:variable>
	<xsl:choose>
	<xsl:when
	test="string-length($date) > 0 and string-length($time) > 0">
	<xsl:attribute name="rdf:datatype">
	<xsl:value-of select='concat($XdtNS, "dateTime")' />
	</xsl:attribute>
	<xsl:value-of select="concat($date,'T',$time)" />
	</xsl:when>
	<xsl:when test="string-length($date)">
	<xsl:attribute name="rdf:datatype">
	<xsl:value-of select='concat($XdtNS, "date")' />
	</xsl:attribute>
	<xsl:value-of select='$date' />
	</xsl:when>
	<!-- TODO resolve time against date? -->
	<xsl:when test="string-length($time)">
	<xsl:attribute name="rdf:datatype">
	<xsl:value-of select='concat($XdtNS, "time")' />
	</xsl:attribute>
	<xsl:value-of select='$time' />
	</xsl:when>
	<xsl:otherwise>
	<xsl:value-of select="$when" />
	</xsl:otherwise>
	</xsl:choose>
	</xsl:template>

	</xsl:stylesheet>