| <?xml version="1.0"?> |
| <!-- |
| 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. |
| --> |
| |
| <!-- $Id$--> |
| <!-- |
| * A collection of utility templates to help logicsheet writers, and ensure |
| * a consistent behaviour of logicsheets using them. |
| * |
| * To use them, just add <xsl:include href="logicsheet-util.xsl"/> at the |
| * top of your logicsheet. |
| * <br/> |
| * Note : some templates rely on the <code>$namespace-uri</code> variable which must |
| * be set in the including logicsheet to its namespace URI. |
| * |
| * @author <a href="mailto:sylvain@apache.org">Sylvain Wallez</a> |
| * @author <a href="mailto:haul@apache.org">Christian Haul</a> |
| * @version CVS $Revision: 1.4 $ $Date: 2004/05/08 14:00:39 $ |
| --> |
| |
| <xsl:stylesheet version="1.0" |
| xmlns:xsp="http://apache.org/xsp" |
| xmlns:xsl="http://www.w3.org/1999/XSL/Transform" |
| xmlns:XSLTExtension="org.apache.cocoon.components.language.markup.xsp.XSLTExtension"> |
| |
| <!-- |
| Namespace prefix for this logicsheet. |
| --> |
| <xsl:param name="namespace-prefix"> |
| <xsl:call-template name="get-namespace-prefix"/> |
| </xsl:param> |
| |
| <xsl:variable name="extension" select="XSLTExtension:new()" |
| xmlns:XSLTExtension="org.apache.cocoon.components.language.markup.xsp.XSLTExtension"/> |
| |
| <!-- |
| Find the namespace prefix used in the source document for a given namespace URI. |
| |
| @param uri the namespace URI (default value = $namespace-uri) |
| @return the namespace prefix |
| --> |
| <xsl:template name="get-namespace-prefix"> |
| <xsl:param name="uri"><xsl:value-of select="$namespace-uri"/></xsl:param> |
| <!-- Search it on the root element --> |
| <xsl:variable name="ns-attr" select="/*/namespace::*[string(.) = $uri]"/> |
| <xsl:choose> |
| <xsl:when test="$ns-attr"><xsl:value-of select="local-name($ns-attr)"/></xsl:when> |
| <xsl:otherwise> |
| <!-- Examine all nodes (requires the XSL processor to traverse the DOM) --> |
| <xsl:variable name="ns-attr2" select="//*/namespace::*[string(.) = $uri]"/> |
| <xsl:choose> |
| <xsl:when test="$ns-attr2"><xsl:value-of select="local-name($ns-attr2)"/></xsl:when> |
| <xsl:otherwise> |
| <xsl:call-template name="error"> |
| <xsl:with-param name="message">Cannot find namespace prefix for <xsl:value-of select="$uri"/></xsl:with-param> |
| </xsl:call-template> |
| </xsl:otherwise> |
| </xsl:choose> |
| </xsl:otherwise> |
| </xsl:choose> |
| </xsl:template> |
| |
| <!-- |
| Break on error. |
| @param message explanation of the error |
| --> |
| <xsl:template name="error"> |
| <xsl:param name="message"/> |
| <xsl:message terminate="yes"><xsl:value-of select="$message"/></xsl:message> |
| </xsl:template> |
| |
| <!-- |
| Ignore $namespace-prefix:param elements used in get-parameter and get-string-parameter |
| --> |
| <xsl:template match="*[namespace-uri(.) = $namespace-uri and local-name(.) = 'param']" priority="-1"/> |
| |
| <!-- |
| Break on error on all elements belonging to this logicheet's namespace not |
| handled by a template. |
| --> |
| <xsl:template match="*[namespace-uri(.) = $namespace-uri and local-name(.) != 'param']" priority="-1"> |
| <xsl:call-template name="error"> |
| <xsl:with-param name="message">Unknown logicsheet tag : <xsl:value-of select="name(.)"/></xsl:with-param> |
| </xsl:call-template> |
| </xsl:template> |
| |
| <!-- |
| Copy all nodes that were not handled by a dedicated template. |
| --> |
| <xsl:template match="@*|node()" priority="-2"> |
| <xsl:copy> |
| <xsl:apply-templates select="@*|node()"/> |
| </xsl:copy> |
| </xsl:template> |
| |
| <!-- |
| Get the value of a logicsheet tag parameter as a String (borrowed from ESQL). |
| |
| @name the name of the parameter |
| @default the default value (String expression) |
| @required true if the parameter is required |
| --> |
| <xsl:template name="get-string-parameter"> |
| <xsl:param name="name"/> |
| <xsl:param name="default"/> |
| <xsl:param name="required">false</xsl:param> |
| |
| <xsl:choose> |
| <xsl:when test="@*[name(.) = $name]">"<xsl:value-of select="@*[name(.) = $name]"/>"</xsl:when> |
| <xsl:when test="(*[namespace-uri(.) = $namespace-uri and local-name(.) = 'param'])[@name = $name]"> |
| <xsl:call-template name="get-nested-string"> |
| <xsl:with-param name="content" select="(*[namespace-uri(.) = $namespace-uri and local-name(.) = 'param'])[@name = $name]"/> |
| </xsl:call-template> |
| </xsl:when> |
| <xsl:otherwise> |
| <xsl:choose> |
| <xsl:when test="not($default)"> |
| <xsl:choose> |
| <xsl:when test="$required = 'true'"> |
| <xsl:call-template name="error"> |
| <xsl:with-param name="message">[Logicsheet processor] |
| Parameter '<xsl:value-of select="$name"/>' missing in dynamic tag <<xsl:value-of select="name(.)"/>> |
| </xsl:with-param> |
| </xsl:call-template> |
| </xsl:when> |
| <xsl:otherwise>""</xsl:otherwise> |
| </xsl:choose> |
| </xsl:when> |
| <xsl:otherwise><xsl:copy-of select="$default"/></xsl:otherwise> |
| </xsl:choose> |
| </xsl:otherwise> |
| </xsl:choose> |
| </xsl:template> |
| |
| <xsl:template name="get-nested-string"> |
| <xsl:param name="content"/> |
| <xsl:choose> |
| <!-- if $content has sub-elements, concatenate them --> |
| <xsl:when test="$content/*"> |
| "" |
| <xsl:for-each select="$content/node()"> |
| <xsl:choose> |
| <xsl:when test="self::xsp:text"> |
| <!-- xsp:text element --> |
| + "<xsl:value-of select="XSLTExtension:escape($extension, .)"/>" |
| </xsl:when> |
| <xsl:when test="self::*"> |
| <!-- other elements --> |
| + <xsl:apply-templates select="."/> |
| </xsl:when> |
| <xsl:otherwise> |
| <!-- text node --> |
| + "<xsl:value-of select="XSLTExtension:escape($extension, .)"/>" |
| </xsl:otherwise> |
| </xsl:choose> |
| </xsl:for-each> |
| </xsl:when> |
| <!-- else return the text value of $content --> |
| <xsl:otherwise>"<xsl:value-of select="normalize-space($content)"/>"</xsl:otherwise> |
| </xsl:choose> |
| </xsl:template> |
| |
| <!-- |
| Get the value of a logicsheet tag parameter either as a primitive value or an object. |
| @name the name of the parameter |
| @default the default value |
| @required true if the parameter is required |
| --> |
| <xsl:template name="get-parameter"> |
| <xsl:param name="name"/> |
| <xsl:param name="default"/> |
| <xsl:param name="required">false</xsl:param> |
| |
| <xsl:choose> |
| <xsl:when test="@*[name(.) = $name]"><xsl:value-of select="@*[name(.) = $name]"/></xsl:when> |
| <xsl:when test="(*[namespace-uri(.) = $namespace-uri and local-name(.) = 'param'])[@name = $name]"> |
| <xsl:call-template name="get-nested-content"> |
| <xsl:with-param name="content" select="(*[namespace-uri(.) = $namespace-uri and local-name(.) = 'param'])[@name = $name]"/> |
| </xsl:call-template> |
| </xsl:when> |
| <xsl:otherwise> |
| <xsl:choose> |
| <xsl:when test="not($default)"> |
| <xsl:choose> |
| <xsl:when test="$required = 'true'"> |
| <xsl:call-template name="error"> |
| <xsl:with-param name="message">[Logicsheet processor] |
| Parameter '<xsl:value-of select="$name"/>' missing in dynamic tag <<xsl:value-of select="name(.)"/>> |
| </xsl:with-param> |
| </xsl:call-template> |
| </xsl:when> |
| <xsl:otherwise>null</xsl:otherwise> |
| </xsl:choose> |
| </xsl:when> |
| <xsl:otherwise><xsl:copy-of select="$default"/></xsl:otherwise> |
| </xsl:choose> |
| </xsl:otherwise> |
| </xsl:choose> |
| </xsl:template> |
| |
| |
| <xsl:template name="get-nested-content"> |
| <xsl:param name="content"/> |
| <xsl:choose> |
| <xsl:when test="$content/xsp:text">"<xsl:value-of select="XSLTExtension:escape($extension, $content)"/>"</xsl:when> |
| <xsl:when test="$content/*"> |
| <xsl:apply-templates select="$content/*"/> |
| </xsl:when> |
| <xsl:otherwise><xsl:value-of select="$content"/></xsl:otherwise> |
| </xsl:choose> |
| </xsl:template> |
| |
| <!-- |
| Get a primitive object when :param is used, for @ a String is returned. Default is also String. |
| Without default, primitive value 'null' is returned |
| @name the name of the parameter |
| @default the default value |
| @required true if the parameter is required |
| --> |
| <xsl:template name="get-ls-parameter"> |
| <xsl:param name="name"/> |
| <xsl:param name="default"/> |
| <xsl:param name="required">false</xsl:param> |
| |
| <xsl:choose> |
| <xsl:when test="@*[name(.) = $name]">"<xsl:value-of select="@*[name(.) = $name]"/>"</xsl:when> |
| <xsl:when test="(*[namespace-uri(.) = $namespace-uri and local-name(.) = 'param'])[@name = $name]"> |
| <xsl:call-template name="get-nested-content"> |
| <xsl:with-param name="content" select="(*[namespace-uri(.) = $namespace-uri and local-name(.) = 'param'])[@name = $name]"/> |
| </xsl:call-template> |
| </xsl:when> |
| <xsl:otherwise> |
| <xsl:choose> |
| <xsl:when test="not($default)"> |
| <xsl:choose> |
| <xsl:when test="$required = 'true'"> |
| <xsl:call-template name="error"> |
| <xsl:with-param name="message">[Logicsheet processor] |
| Parameter '<xsl:value-of select="$name"/>' missing in dynamic tag <<xsl:value-of select="name(.)"/>> |
| </xsl:with-param> |
| </xsl:call-template> |
| </xsl:when> |
| <xsl:otherwise>null</xsl:otherwise> |
| </xsl:choose> |
| </xsl:when> |
| <xsl:otherwise>"<xsl:copy-of select="$default"/>"</xsl:otherwise> |
| </xsl:choose> |
| </xsl:otherwise> |
| </xsl:choose> |
| </xsl:template> |
| |
| </xsl:stylesheet> |