| <?xml version="1.0" encoding="utf-8"?> |
| <!-- |
| 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. |
| --> |
| |
| <!-- $Id$--> |
| <!-- |
| * |
| * Date: September 19, 2001 |
| * |
| * @author <a href="mailto:ovidiu@cup.hp.com>Ovidiu Predescu</a> |
| * @version CVS $Revision: 1.2 $ $Date: 2004/03/17 11:28:22 $ |
| --> |
| |
| <xsl:stylesheet |
| version="1.0" |
| xmlns:xsl="http://www.w3.org/1999/XSL/Transform" |
| xmlns:xsp="http://apache.org/xsp" |
| xmlns:xsp-request="http://apache.org/xsp/request/2.0" |
| xmlns:xscript="http://apache.org/xsp/xscript/1.0" |
| xmlns:xalan="http://xml.apache.org/xalan" |
| xmlns:saxon="http://icl.com/saxon"> |
| |
| <xsl:template name="xscript-variable"> |
| <!-- PUBLIC: create a new XScript variable --> |
| <xsl:param name="name"/> |
| <xsl:param name="href"/> |
| <xsl:param name="scope"/> |
| |
| <xsl:choose> |
| <xsl:when test="$href"> |
| <xsl:call-template name="xscript-variable-from-url"> |
| <xsl:with-param name="name" select="$name"/> |
| <xsl:with-param name="scope" select="$scope"/> |
| <xsl:with-param name="href" select="$href"/> |
| </xsl:call-template> |
| </xsl:when> |
| <xsl:otherwise> |
| <xsl:call-template name="xscript-variable-inline"> |
| <xsl:with-param name="name" select="$name"/> |
| <xsl:with-param name="scope" select="$scope"/> |
| </xsl:call-template> |
| </xsl:otherwise> |
| </xsl:choose> |
| </xsl:template> |
| |
| |
| <xsl:template name="xscript-get"> |
| <!-- PUBLIC: obtain the value of an XScript variable --> |
| <xsl:param name="name"/> |
| <xsl:param name="as"/> |
| <xsl:param name="scope"/> |
| |
| <xsl:variable name="object"> |
| xscriptManager.get(pageScope, objectModel, "<xsl:value-of select="$name"/>", |
| <xsl:value-of select="$scope"/> |
| <xsl:text>)</xsl:text> |
| </xsl:variable> |
| <xsl:choose> |
| <xsl:when test="$as = 'object'"> |
| <xsp:expr><xsl:value-of select="$object"/></xsp:expr> |
| </xsl:when> |
| <xsl:otherwise> |
| <!-- insert the content of the XScript variable in the SAX |
| event stream --> |
| <xsp:logic> |
| try { |
| <xsl:value-of select="$object"/>.toEmbeddedSAX(this.contentHandler); |
| } catch (IllegalArgumentException ex) { |
| <xscript:error><xsp:expr>ex.getMessage()</xsp:expr></xscript:error> |
| } |
| </xsp:logic> |
| </xsl:otherwise> |
| </xsl:choose> |
| </xsl:template> |
| |
| |
| <xsl:template name="xscript-remove"> |
| <!-- PUBLIC: undeclare an XScript variable --> |
| <xsl:param name="name"/> |
| <xsl:param name="scope"/> |
| <xsp:logic> |
| xscriptManager.remove(pageScope, objectModel, "<xsl:value-of select="$name"/>", <xsl:value-of select="$scope"/>); |
| </xsp:logic> |
| </xsl:template> |
| |
| |
| <xsl:template name="xscript-transform"> |
| <!-- PUBLIC: transform an XScriptObject pointed to by a variable |
| using another XScriptObject, which is assumed to contain an |
| XSLT stylesheet. --> |
| <xsl:param name="name"/> |
| <xsl:param name="scope"/> |
| <xsl:param name="stylesheet"/> |
| <xsl:param name="stylesheet-scope"/> |
| <xsl:param name="parameters"/> |
| |
| <xsl:variable name="object"> |
| <xsl:call-template name="xscript-get"> |
| <xsl:with-param name="name" select="$name"/> |
| <xsl:with-param name="scope" select="$scope"/> |
| <xsl:with-param name="as" select="'object'"/> |
| </xsl:call-template> |
| </xsl:variable> |
| |
| <xsl:variable name="stylesheet-object"> |
| <xsl:call-template name="xscript-get"> |
| <xsl:with-param name="name" select="$stylesheet"/> |
| <xsl:with-param name="scope" select="$stylesheet-scope"/> |
| <xsl:with-param name="as" select="'object'"/> |
| </xsl:call-template> |
| </xsl:variable> |
| |
| <xsl:variable name="params"> |
| <xsl:text>params</xsl:text><xsl:value-of select="count(ancestor-or-self::*)"/> |
| </xsl:variable> |
| |
| <xsp:logic> |
| { |
| Parameters <xsl:value-of select="$params"/> = new Parameters(); |
| <xsl:call-template name="xscript-parameter"> |
| <xsl:with-param name="params" select="$params"/> |
| <xsl:with-param name="parameters" select="$parameters"/> |
| </xsl:call-template> |
| XScriptObject result = <xsl:value-of select="$object"/>.transform( |
| <xsl:value-of select="$stylesheet-object"/>, <xsl:value-of select="$params"/>); |
| <!-- |
| System.out.println("input source =\n" + <xsl:value-of select="$object"/>); |
| System.out.println("stylesheet source =\n" + <xsl:value-of select="$stylesheet-object"/>); |
| System.out.println("transformation result =\n" + result); |
| --> |
| result.toEmbeddedSAX(this.contentHandler); |
| } |
| </xsp:logic> |
| </xsl:template> |
| |
| |
| <!-- Helper templates used by this stylesheet, and possibly others |
| as well --> |
| |
| <xsl:template name="xscript-variable-from-url"> |
| <!-- PUBLIC: create an XScript variable from an URL --> |
| <xsl:param name="name"/> |
| <xsl:param name="scope"/> |
| <xsl:param name="href"/> |
| <xsp:logic> |
| xscriptManager.put(pageScope, objectModel, "<xsl:value-of select="$name"/>", |
| new XScriptObjectFromURL(xscriptManager, "<xsl:value-of select="$href"/>"), |
| <xsl:value-of select="$scope"/>); |
| </xsp:logic> |
| </xsl:template> |
| |
| |
| <xsl:template name="xscript-variable-inline"> |
| <!-- PUBLIC: create an XScript variable from inline XML --> |
| <xsl:param name="name"/> |
| <xsl:param name="scope"/> |
| |
| <xsl:variable name="xml-inline"> |
| <xsl:text>xmlInline</xsl:text><xsl:value-of select="count(ancestor-or-self::*)"/> |
| </xsl:variable> |
| |
| <xsl:variable name="oldHandler"> |
| oldHandler<xsl:value-of select="count(ancestor-or-self::*)"/> |
| </xsl:variable> |
| |
| <xsp:logic> |
| { |
| XScriptObjectInlineXML <xsl:value-of select="$xml-inline"/> |
| = new XScriptObjectInlineXML(xscriptManager); |
| ContentHandler <xsl:value-of select="$oldHandler"/> = this.contentHandler; |
| <!-- <xsl:value-of select="$xml-inline"/>.setNextContentHandler(<xsl:value-of select="$oldHandler"/>);--> |
| this.contentHandler = <xsl:value-of select="$xml-inline"/>.getContentHandler(); |
| <xsl:apply-templates/> |
| this.contentHandler = <xsl:value-of select="$oldHandler"/>; |
| xscriptManager.put(pageScope, objectModel, "<xsl:value-of select="$name"/>", |
| <xsl:value-of select="$xml-inline"/>, |
| <xsl:value-of select="$scope"/>); |
| } |
| </xsp:logic> |
| </xsl:template> |
| |
| |
| <xsl:template name="xscript-get-scope"> |
| <!-- PUBLIC: obtain the Java expression for a given XScript |
| variable scope. If no scope parameter is specified, |
| ALL_SCOPES is assumed. --> |
| <xsl:param name="scope" select="'all-scopes'"/> |
| <xsl:choose> |
| <xsl:when test="$scope = 'global' or $scope = 'application'">org.apache.cocoon.components.xscript.XScriptManager.GLOBAL_SCOPE</xsl:when> |
| <xsl:when test="$scope = 'request'">org.apache.cocoon.components.xscript.XScriptManager.REQUEST_SCOPE</xsl:when> |
| <xsl:when test="$scope = 'page'">org.apache.cocoon.components.xscript.XScriptManager.PAGE_SCOPE</xsl:when> |
| <xsl:when test="$scope = 'session'">org.apache.cocoon.components.xscript.XScriptManager.SESSION_SCOPE</xsl:when> |
| <xsl:otherwise>org.apache.cocoon.components.xscript.XScriptManager.ALL_SCOPES</xsl:otherwise> |
| </xsl:choose> |
| </xsl:template> |
| |
| <xsl:template name="xscript-get-scope-for-creation"> |
| <!-- PUBLIC: obtain the Java expression for a given XScript |
| variable scope. Similar with xscript-get-scope, but when |
| defining an XScript variable, ALL_SCOPES doesn't make |
| sense: if no scope parameter is specified, SESSION_SCOPE is |
| assumed. --> |
| <xsl:param name="scope" select="'session'"/> |
| <xsl:choose> |
| <xsl:when test="$scope = 'global'">org.apache.cocoon.components.xscript.XScriptManager.GLOBAL_SCOPE</xsl:when> |
| <xsl:when test="$scope = 'request'">org.apache.cocoon.components.xscript.XScriptManager.REQUEST_SCOPE</xsl:when> |
| <xsl:when test="$scope = 'page'">org.apache.cocoon.components.xscript.XScriptManager.PAGE_SCOPE</xsl:when> |
| <xsl:otherwise>org.apache.cocoon.components.xscript.XScriptManager.SESSION_SCOPE</xsl:otherwise> |
| </xsl:choose> |
| </xsl:template> |
| |
| <xsl:template name="xscript-parameter"> |
| <xsl:param name="parameters"/> |
| <xsl:param name="params"/> |
| |
| <xsl:choose> |
| <xsl:when test="contains(system-property('xsl:vendor-url'), 'xalan')"> |
| <xsl:for-each select="xalan:nodeset($parameters)/xscript:parameter"> |
| <xsp:logic> |
| <xsl:value-of select="$params"/>.setParameter( |
| "<xsl:value-of select="@name"/>", |
| "<xsl:value-of select="."/>"); |
| </xsp:logic> |
| </xsl:for-each> |
| </xsl:when> |
| <xsl:when test="contains(system-property('xsl:vendor-url'), 'saxon')"> |
| <xsl:for-each select="saxon:node-set($parameters)/xscript:parameter"> |
| <xsp:logic> |
| <xsl:value-of select="$params"/>.setParameter( |
| "<xsl:value-of select="./@name"/>", |
| "<xsl:value-of select="."/>"); |
| </xsp:logic> |
| </xsl:for-each> |
| </xsl:when> |
| </xsl:choose> |
| </xsl:template> |
| |
| </xsl:stylesheet> |
| |