| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * |
| * Copyright (c) 1999 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, |
| * if any, must include the following acknowledgment: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowledgment may appear in the software itself, |
| * if and wherever such third-party acknowledgments normally appear. |
| * |
| * 4. The names "Xalan" and "Apache Software Foundation" must |
| * not be used to endorse or promote products derived from this |
| * software without prior written permission. For written |
| * permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache", |
| * nor may "Apache" appear in their name, without prior written |
| * permission of the Apache Software Foundation. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation and was |
| * originally based on software copyright (c) 1999, International |
| * Business Machines, Inc., http://www.ibm.com. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| #include "ElemVariable.hpp" |
| |
| |
| |
| #include <xercesc/sax/AttributeList.hpp> |
| |
| |
| |
| #include <PlatformSupport/DOMStringHelper.hpp> |
| |
| |
| |
| #include <XPath/XObjectFactory.hpp> |
| #include <XPath/XPath.hpp> |
| |
| |
| |
| #include "SelectionEvent.hpp" |
| #include "Stylesheet.hpp" |
| #include "StylesheetConstructionContext.hpp" |
| #include "StylesheetExecutionContext.hpp" |
| |
| |
| |
| ElemVariable::ElemVariable( |
| StylesheetConstructionContext& constructionContext, |
| Stylesheet& stylesheetTree, |
| const AttributeList& atts, |
| int lineNumber, |
| int columnNumber, |
| int xslToken) : |
| ElemTemplateElement(constructionContext, |
| stylesheetTree, |
| lineNumber, |
| columnNumber, |
| xslToken), |
| m_qname(), |
| m_selectPattern(0), |
| m_isTopLevel(false), |
| m_value(0), |
| m_varContext(0) |
| { |
| const unsigned int nAttrs = atts.getLength(); |
| |
| for(unsigned int i = 0; i < nAttrs; i++) |
| { |
| const XalanDOMChar* const aname = atts.getName(i); |
| |
| const int tok = |
| constructionContext.getAttrTok(aname); |
| |
| switch(tok) |
| { |
| case Constants::TATTRNAME_SELECT: |
| m_selectPattern = constructionContext.createXPath(getLocator(), atts.getValue(i), |
| *this); |
| break; |
| |
| case Constants::TATTRNAME_NAME: |
| m_qname = XalanQNameByValue(atts.getValue(i), stylesheetTree.getNamespaces()); |
| break; |
| |
| case Constants::TATTRNAME_XMLSPACE: |
| processSpaceAttr(atts, i, constructionContext); |
| break; |
| |
| default: |
| if(!isAttrOK(aname, atts, i, constructionContext)) |
| { |
| constructionContext.error( |
| "xsl:variable has an illegal attribute", |
| 0, |
| this); |
| } |
| } |
| } |
| |
| if(m_qname.isEmpty()) |
| { |
| constructionContext.error( |
| "xsl:variable must have a 'name' attribute", |
| 0, |
| this); |
| } |
| } |
| |
| |
| |
| ElemVariable::~ElemVariable() |
| { |
| } |
| |
| |
| |
| const XalanDOMString& |
| ElemVariable::getElementName() const |
| { |
| return Constants::ELEMNAME_VARIABLE_WITH_PREFIX_STRING; |
| } |
| |
| |
| |
| void |
| ElemVariable::execute(StylesheetExecutionContext& executionContext) const |
| { |
| ElemTemplateElement::execute(executionContext); |
| |
| const XObjectPtr theValue(getValue(executionContext, executionContext.getCurrentNode())); |
| |
| if (theValue.null() == false) |
| { |
| executionContext.pushVariable( |
| m_qname, |
| theValue, |
| getParentNodeElem()); |
| } |
| else |
| { |
| executionContext.pushVariable( |
| m_qname, |
| this, |
| getParentNodeElem()); |
| } |
| } |
| |
| |
| |
| const XObjectPtr |
| ElemVariable::getValue( |
| StylesheetExecutionContext& executionContext, |
| XalanNode* sourceNode) const |
| { |
| if(m_selectPattern == 0) |
| { |
| if (getFirstChild() == 0) |
| { |
| return executionContext.getXObjectFactory().createString(XalanDOMString()); |
| } |
| else |
| { |
| return executionContext.createXResultTreeFrag(*this, sourceNode); |
| } |
| } |
| else |
| { |
| const XObjectPtr theValue(m_selectPattern->execute(sourceNode, *this, executionContext)); |
| |
| if(0 != executionContext.getTraceListeners()) |
| { |
| executionContext.fireSelectEvent( |
| SelectionEvent( |
| executionContext, |
| sourceNode, |
| *this, |
| StaticStringToDOMString(XALAN_STATIC_UCODE_STRING("select")), |
| *m_selectPattern, |
| theValue)); |
| } |
| |
| return theValue; |
| } |
| } |