| /* |
| * 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 "ElemFallback.hpp" |
| |
| |
| |
| #include <cassert> |
| |
| |
| |
| #include <xercesc/sax/AttributeList.hpp> |
| |
| |
| |
| #include <xalanc/PlatformSupport/DOMStringHelper.hpp> |
| #include <xalanc/PlatformSupport/XalanMessageLoader.hpp> |
| |
| |
| |
| #include "Constants.hpp" |
| #include "StylesheetConstructionContext.hpp" |
| |
| |
| |
| namespace XALAN_CPP_NAMESPACE { |
| |
| |
| |
| ElemFallback::ElemFallback( |
| StylesheetConstructionContext& constructionContext, |
| Stylesheet& stylesheetTree, |
| const AttributeListType& atts, |
| XalanFileLoc lineNumber, |
| XalanFileLoc columnNumber) : |
| ElemTemplateElement( |
| constructionContext, |
| stylesheetTree, |
| lineNumber, |
| columnNumber, |
| StylesheetConstructionContext::ELEMNAME_FALLBACK) |
| { |
| const XalanSize_t nAttrs = atts.getLength(); |
| |
| for (XalanSize_t i = 0; i < nAttrs; i++) |
| { |
| const XalanDOMChar* const aname = atts.getName(i); |
| |
| if (isAttrOK( |
| aname, |
| atts, |
| i, |
| constructionContext) == false && |
| processSpaceAttr( |
| Constants::ELEMNAME_FALLBACK_WITH_PREFIX_STRING.c_str(), |
| aname, |
| atts, |
| i, |
| constructionContext) == false) |
| { |
| error( |
| constructionContext, |
| XalanMessages::ElementHasIllegalAttribute_2Param, |
| Constants::ELEMNAME_FALLBACK_WITH_PREFIX_STRING.c_str(), |
| aname); |
| } |
| } |
| } |
| |
| |
| |
| const XalanDOMString& |
| ElemFallback::getElementName() const |
| { |
| return Constants::ELEMNAME_FALLBACK_WITH_PREFIX_STRING; |
| } |
| |
| |
| |
| ElemFallback::~ElemFallback() |
| { |
| } |
| |
| |
| #if !defined(XALAN_RECURSIVE_STYLESHEET_EXECUTION) |
| const ElemTemplateElement* |
| ElemFallback::startElement(StylesheetExecutionContext& executionContext) const |
| { |
| ElemTemplateElement::startElement(executionContext); |
| |
| return beginExecuteChildren(executionContext); |
| } |
| |
| |
| |
| const ElemTemplateElement* |
| ElemFallback::getFirstChildElemToExecute( |
| StylesheetExecutionContext& executionContext) const |
| { |
| const int parentXSLToken = |
| getParentNodeElem()->getXSLToken(); |
| |
| if (parentXSLToken == StylesheetConstructionContext::ELEMNAME_FORWARD_COMPATIBLE || |
| parentXSLToken == StylesheetConstructionContext::ELEMNAME_EXTENSION_CALL) |
| { |
| return ParentType::getFirstChildElemToExecute(executionContext); |
| } |
| else |
| { |
| return 0; |
| } |
| } |
| |
| |
| |
| const ElemTemplateElement* |
| ElemFallback::getNextChildElemToExecute(StylesheetExecutionContext& /*executionContext*/, |
| const ElemTemplateElement* currentElem) const |
| { |
| const ElemTemplateElement* previousElement = currentElem; |
| |
| const ElemTemplateElement* nextElement = currentElem->getNextSiblingElem(); |
| |
| while (nextElement != 0 |
| && nextElement->getXSLToken() == StylesheetConstructionContext::ELEMNAME_FALLBACK |
| && previousElement->getXSLToken() == StylesheetConstructionContext::ELEMNAME_FORWARD_COMPATIBLE) |
| { |
| previousElement = nextElement; |
| nextElement = nextElement->getNextSiblingElem(); |
| } |
| |
| return nextElement; |
| } |
| #endif |
| |
| |
| |
| #if defined(XALAN_RECURSIVE_STYLESHEET_EXECUTION) |
| void |
| ElemFallback::execute(StylesheetExecutionContext& executionContext) const |
| { |
| ElemTemplateElement::execute(executionContext); |
| |
| int thePreviousToken = StylesheetConstructionContext::ELEMNAME_UNDEFINED; |
| |
| for (const ElemTemplateElement* child = getFirstChildElem(); child != 0; child = child->getNextSiblingElem()) |
| { |
| const int theCurrentToken = child->getXSLToken(); |
| |
| if(theCurrentToken == StylesheetConstructionContext::ELEMNAME_FALLBACK) |
| { |
| // Don't execute a fallback if it's preceeded by a forward-compatible |
| // element. |
| if (thePreviousToken != StylesheetConstructionContext::ELEMNAME_FORWARD_COMPATIBLE) |
| { |
| child->execute(executionContext); |
| } |
| } |
| else |
| { |
| child->execute(executionContext); |
| } |
| |
| thePreviousToken = theCurrentToken; |
| } |
| } |
| #endif |
| |
| |
| } |