| /* |
| * 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. |
| */ |
| #include "ElemApplyTemplates.hpp" |
| |
| |
| |
| #include <xercesc/sax/AttributeList.hpp> |
| |
| |
| |
| #include <xalanc/PlatformSupport/XalanMessageLoader.hpp> |
| |
| |
| |
| #include <xalanc/XPath/XalanQNameByValue.hpp> |
| |
| |
| |
| #include "Constants.hpp" |
| #include "Stylesheet.hpp" |
| #include "StylesheetRoot.hpp" |
| #include "StylesheetConstructionContext.hpp" |
| #include "StylesheetExecutionContext.hpp" |
| #include "TracerEvent.hpp" |
| |
| |
| |
| namespace XALAN_CPP_NAMESPACE { |
| |
| |
| |
| static const XalanQNameByValue s_defaultMode(XalanMemMgrs::getDummyMemMgr()); |
| |
| |
| |
| ElemApplyTemplates::ElemApplyTemplates( |
| StylesheetConstructionContext& constructionContext, |
| Stylesheet& stylesheetTree, |
| const AttributeListType& atts, |
| XalanFileLoc lineNumber, |
| XalanFileLoc columnNumber) : |
| ParentType( |
| constructionContext, |
| stylesheetTree, |
| lineNumber, |
| columnNumber, |
| StylesheetConstructionContext::ELEMNAME_APPLY_TEMPLATES), |
| m_mode(0) |
| { |
| const XalanSize_t nAttrs = atts.getLength(); |
| |
| for (XalanSize_t i = 0; i < nAttrs; i++) |
| { |
| const XalanDOMChar* const aname = atts.getName(i); |
| |
| if (equals(aname, Constants::ATTRNAME_SELECT)) |
| { |
| m_selectPattern = constructionContext.createXPath(getLocator(), atts.getValue(i), *this); |
| } |
| else if (equals(aname, Constants::ATTRNAME_MODE)) |
| { |
| m_mode = constructionContext.createXalanQName(atts.getValue(i), getStylesheet().getNamespaces(), getLocator()); |
| |
| if (m_mode->isValid() == false) |
| { |
| error( |
| constructionContext, |
| XalanMessages::AttributeValueNotValidQName_2Param, |
| aname, |
| atts.getValue(i)); |
| } |
| } |
| else if (isAttrOK( |
| aname, |
| atts, |
| i, |
| constructionContext) == false) |
| { |
| error( |
| constructionContext, |
| XalanMessages::ElementHasIllegalAttribute_2Param, |
| Constants::ELEMNAME_APPLY_TEMPLATES_WITH_PREFIX_STRING.c_str(), |
| aname); |
| } |
| } |
| |
| if(0 == m_selectPattern) |
| { |
| m_selectPattern = constructionContext.createXPath( |
| getLocator(), |
| Constants::PSEUDONAME_NODE, |
| *this); |
| } |
| |
| if (m_mode == 0) |
| { |
| m_mode = &s_defaultMode; |
| } |
| |
| assert(m_selectPattern != 0 && m_mode != 0); |
| } |
| |
| |
| |
| ElemApplyTemplates::~ElemApplyTemplates() |
| { |
| } |
| |
| |
| |
| const XalanDOMString& |
| ElemApplyTemplates::getElementName() const |
| { |
| return Constants::ELEMNAME_APPLY_TEMPLATES_WITH_PREFIX_STRING; |
| } |
| |
| |
| |
| #if !defined(XALAN_RECURSIVE_STYLESHEET_EXECUTION) |
| const ElemTemplateElement* |
| ElemApplyTemplates::startElement(StylesheetExecutionContext& executionContext) const |
| { |
| ElemTemplateElement::startElement(executionContext); |
| |
| if (isDefaultTemplate() == false) |
| { |
| executionContext.pushCurrentMode(m_mode); |
| } |
| |
| executionContext.pushInvoker(this); |
| |
| return getFirstChildElemToExecute(executionContext); |
| |
| |
| } |
| |
| |
| |
| void |
| ElemApplyTemplates::endElement(StylesheetExecutionContext& executionContext) const |
| { |
| executionContext.popContextNodeList(); |
| executionContext.popNodesToTransformList(); |
| |
| releaseSelectedAndSortedNodeList(executionContext); |
| |
| if (isDefaultTemplate() == false) |
| { |
| executionContext.popCurrentMode(); |
| } |
| |
| executionContext.popContextMarker(); |
| |
| executionContext.popInvoker(); |
| |
| ElemTemplateElement::endElement(executionContext); |
| } |
| |
| |
| |
| const ElemTemplateElement* |
| ElemApplyTemplates::getNextChildElemToExecute( |
| StylesheetExecutionContext& executionContext, |
| const ElemTemplateElement* currentElem) const |
| { |
| if (currentElem->getXSLToken() == StylesheetConstructionContext::ELEMNAME_TEMPLATE) |
| { |
| executionContext.popCurrentNode(); |
| |
| return findNextTemplateToExecute(executionContext); |
| } |
| else |
| { |
| const ElemTemplateElement* nextElement = ElemTemplateElement::getNextChildElemToExecute(executionContext, currentElem); |
| |
| if (nextElement == 0) |
| { |
| const NodeRefListBase* nodesToTransform = createSelectedAndSortedNodeList( |
| executionContext); |
| |
| executionContext.createAndPushNodesToTransformList(nodesToTransform); |
| |
| executionContext.pushContextNodeList(*nodesToTransform); |
| |
| executionContext.pushContextMarker(); |
| |
| executionContext.endParams(); |
| |
| return findNextTemplateToExecute(executionContext); |
| |
| } |
| |
| return nextElement; |
| } |
| } |
| |
| |
| |
| const ElemTemplateElement* |
| ElemApplyTemplates::getFirstChildElemToExecute( |
| StylesheetExecutionContext& executionContext) const |
| |
| { |
| const ElemTemplateElement* firstElement = getFirstChildElem(); |
| |
| if (firstElement != 0) |
| { |
| executionContext.beginParams(); |
| return firstElement; |
| } |
| else |
| { |
| const NodeRefListBase* nodesToTransform = createSelectedAndSortedNodeList( |
| executionContext); |
| |
| executionContext.createAndPushNodesToTransformList(nodesToTransform); |
| |
| executionContext.pushContextNodeList(*nodesToTransform); |
| |
| executionContext.pushContextMarker(); |
| |
| return findNextTemplateToExecute(executionContext); |
| } |
| } |
| |
| const ElemTemplateElement* |
| ElemApplyTemplates::findNextTemplateToExecute( |
| StylesheetExecutionContext& executionContext) const |
| { |
| const ElemTemplateElement* selectedTemplate = 0; |
| |
| do |
| { |
| XalanNode* nextNode = executionContext.getNextNodeToTransform(); |
| if (nextNode == 0) |
| { |
| break; |
| } |
| |
| executionContext.pushCurrentNode(nextNode); |
| |
| selectedTemplate = findTemplateToTransformChild( |
| executionContext, |
| *this, |
| 0, |
| nextNode); |
| |
| if (0 == selectedTemplate) |
| { |
| executionContext.popCurrentNode(); |
| } |
| |
| } while (0 == selectedTemplate); |
| |
| return selectedTemplate; |
| } |
| #endif |
| |
| |
| #if defined(XALAN_RECURSIVE_STYLESHEET_EXECUTION) |
| void |
| ElemApplyTemplates::execute(StylesheetExecutionContext& executionContext) const |
| { |
| assert(m_selectPattern != 0 && m_mode != 0); |
| |
| if(0 != executionContext.getTraceListeners()) |
| { |
| executionContext.fireTraceEvent(TracerEvent( |
| executionContext, *this)); |
| } |
| |
| ParentType::transformSelectedChildren( |
| executionContext, |
| 0); |
| } |
| |
| |
| |
| void |
| ElemApplyTemplates::transformChild( |
| StylesheetExecutionContext& executionContext, |
| const ElemTemplateElement& xslInstruction, |
| const ElemTemplateElement* theTemplate, |
| XalanNode* child) const |
| { |
| assert(child != 0); |
| |
| const XalanNode::NodeType nodeType = child->getNodeType(); |
| |
| // Filter out any attributes nodes that are namespace declarations |
| if (nodeType != XalanNode::ATTRIBUTE_NODE || |
| DOMServices::isNamespaceDeclaration(static_cast<const XalanAttr&>(*child)) == false) |
| { |
| ParentType::transformChild( |
| executionContext, |
| xslInstruction, |
| theTemplate, |
| child, |
| nodeType); |
| } |
| } |
| |
| |
| |
| void |
| ElemApplyTemplates::selectAndSortChildren( |
| StylesheetExecutionContext& executionContext, |
| const ElemTemplateElement* theTemplate, |
| NodeSorter* sorter, |
| int /* selectStackFrameIndex */) const |
| { |
| int savedStackFrameIndex; |
| |
| // Push the params & stack frame, but then execute the select |
| // expression inside transformSelectedChildren, which must be |
| // executed in the stack frame before the new stack frame. |
| const StylesheetExecutionContext::ParamsPushPop thePushPop( |
| executionContext, |
| *this, |
| savedStackFrameIndex); |
| |
| const XalanQName* const currentMode = executionContext.getCurrentMode(); |
| assert(currentMode != 0); |
| |
| if (isDefaultTemplate() == false && |
| !m_mode->equals(*currentMode)) |
| { |
| executionContext.pushCurrentMode(m_mode); |
| |
| ParentType::selectAndSortChildren( |
| executionContext, |
| theTemplate, |
| sorter, |
| savedStackFrameIndex); |
| |
| executionContext.popCurrentMode(); |
| } |
| else |
| { |
| ParentType::selectAndSortChildren( |
| executionContext, |
| theTemplate, |
| sorter, |
| savedStackFrameIndex); |
| } |
| } |
| #endif |
| |
| |
| |
| bool |
| ElemApplyTemplates::childTypeAllowed(int xslToken) const |
| { |
| bool fResult = false; |
| |
| switch(xslToken) |
| { |
| case StylesheetConstructionContext::ELEMNAME_SORT: |
| case StylesheetConstructionContext::ELEMNAME_WITH_PARAM: |
| fResult = true; |
| break; |
| |
| default: |
| break; |
| } |
| |
| return fResult; |
| } |
| |
| |
| |
| } |