| /* |
| * 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. |
| */ |
| // Class header file. |
| #include "FormatterToSourceTree.hpp" |
| |
| |
| |
| #include <cassert> |
| |
| |
| |
| #include <xercesc/sax/AttributeList.hpp> |
| |
| |
| |
| #include <xalanc/XalanDOM/XalanDOMException.hpp> |
| #include <xalanc/XalanDOM/XalanDocumentFragment.hpp> |
| |
| |
| |
| #include <xalanc/PlatformSupport/DOMStringHelper.hpp> |
| #include <xalanc/PlatformSupport/PrefixResolver.hpp> |
| |
| |
| |
| #include "XalanSourceTreeComment.hpp" |
| #include "XalanSourceTreeDocument.hpp" |
| #include "XalanSourceTreeDocumentFragment.hpp" |
| #include "XalanSourceTreeElement.hpp" |
| #include "XalanSourceTreeHelper.hpp" |
| #include "XalanSourceTreeProcessingInstruction.hpp" |
| #include "XalanSourceTreeText.hpp" |
| |
| |
| |
| namespace XALAN_CPP_NAMESPACE { |
| |
| |
| |
| FormatterToSourceTree::FormatterToSourceTree(MemoryManager& theManager, |
| XalanSourceTreeDocument* theDocument) : |
| FormatterListener(OUTPUT_METHOD_DOM), |
| m_document(theDocument), |
| m_documentFragment(0), |
| m_currentElement(0), |
| m_elementStack(theManager), |
| m_lastChild(0), |
| m_lastChildStack(theManager), |
| m_textBuffer(theManager) |
| { |
| } |
| |
| |
| |
| FormatterToSourceTree::FormatterToSourceTree( |
| XalanSourceTreeDocument* theDocument, |
| XalanSourceTreeDocumentFragment* theDocumentFragment, |
| MemoryManager& theManager) : |
| FormatterListener(OUTPUT_METHOD_DOM), |
| m_document(theDocument), |
| m_documentFragment(theDocumentFragment), |
| m_currentElement(0), |
| m_elementStack(theManager), |
| m_lastChild(0), |
| m_lastChildStack(theManager), |
| m_textBuffer(theManager) |
| { |
| assert(m_document != 0); |
| assert(m_documentFragment != 0); |
| } |
| |
| |
| |
| FormatterToSourceTree::~FormatterToSourceTree() |
| { |
| } |
| |
| |
| |
| void |
| FormatterToSourceTree::setDocumentLocator(const Locator* const /* locator */) |
| { |
| } |
| |
| |
| |
| void |
| FormatterToSourceTree::startDocument() |
| { |
| m_currentElement = 0; |
| |
| m_elementStack.clear(); |
| |
| m_lastChild = 0; |
| |
| m_lastChildStack.clear(); |
| |
| m_lastChildStack.reserve(eDefaultStackSize); |
| |
| m_textBuffer.clear(); |
| |
| m_textBuffer.reserve(eDefaultTextBufferSize); |
| |
| // Push a dummy value for the current element, so we |
| // don't have to check for an empty stack in endElement(). |
| m_elementStack.push_back(ElementStackType::value_type(0)); |
| } |
| |
| |
| |
| void |
| FormatterToSourceTree::endDocument() |
| { |
| if (m_documentFragment != 0) |
| { |
| processAccumulatedText(); |
| } |
| |
| // Pop off the dummy value that we pushed in |
| // startDocument()... |
| m_elementStack.pop_back(); |
| |
| assert(m_elementStack.empty() == true); |
| assert(m_lastChildStack.empty() == true); |
| assert(m_textBuffer.empty() == true); |
| } |
| |
| |
| |
| // A helper function to manage appending the new child. |
| template <class ParentNodeType, class ChildNodeType> |
| inline void |
| doAppendChildNode( |
| ParentNodeType* theParent, |
| XalanNode*& theLastChild, |
| ChildNodeType theNewChild) |
| { |
| assert(theParent != 0); |
| assert(theNewChild != 0); |
| |
| if (theLastChild == 0) |
| { |
| theParent->appendChildNode(theNewChild); |
| } |
| else |
| { |
| XalanSourceTreeHelper::appendSibling(theLastChild, theNewChild); |
| |
| theNewChild->setParent(theParent); |
| } |
| |
| theLastChild = theNewChild; |
| } |
| |
| |
| |
| // A helper function to manage appending the new child. |
| template <class ChildNodeType> |
| inline void |
| doAppendChildNode( |
| XalanSourceTreeDocument* theDocument, |
| XalanSourceTreeDocumentFragment* theDocumentFragment, |
| XalanSourceTreeElement* theCurrentElement, |
| XalanNode*& theLastChild, |
| ChildNodeType theNewChild) |
| { |
| assert(theDocument != 0); |
| assert(theNewChild != 0); |
| |
| if (theCurrentElement == 0) |
| { |
| if (theDocumentFragment != 0) |
| { |
| doAppendChildNode(theDocumentFragment, theLastChild, theNewChild); |
| } |
| else |
| { |
| // If there is no current element. it means we haven't |
| // created the document element yet, so always append |
| // to the document, rather than the last child. |
| theDocument->appendChildNode(theNewChild); |
| } |
| } |
| else |
| { |
| doAppendChildNode(theCurrentElement, theLastChild, theNewChild); |
| } |
| } |
| |
| |
| |
| void |
| FormatterToSourceTree::startElement( |
| const XMLCh* const name, |
| AttributeListType& attrs) |
| { |
| processAccumulatedText(); |
| |
| XalanSourceTreeElement* const theNewElement = |
| createElementNode(name, attrs, m_currentElement); |
| |
| doAppendChildNode( |
| m_document, |
| m_documentFragment, |
| m_currentElement, |
| m_lastChild, |
| theNewElement); |
| |
| m_elementStack.push_back(theNewElement); |
| |
| m_lastChildStack.push_back(m_lastChild); |
| |
| m_currentElement = theNewElement; |
| |
| m_lastChild = 0; |
| } |
| |
| |
| |
| void |
| FormatterToSourceTree::endElement(const XMLCh* const /* name */) |
| { |
| processAccumulatedText(); |
| |
| assert(m_elementStack.empty() == false); |
| |
| // Pop the element of the stack... |
| m_elementStack.pop_back(); |
| |
| assert(m_elementStack.empty() == false); |
| |
| // Get the element from the back of the |
| // stack. |
| m_currentElement = m_elementStack.back(); |
| |
| assert(m_lastChildStack.empty() == false); |
| |
| m_lastChild = m_lastChildStack.back(); |
| |
| // Pop the last child stack |
| m_lastChildStack.pop_back(); |
| } |
| |
| |
| |
| void |
| FormatterToSourceTree::characters( |
| const XMLCh* const chars, |
| const size_type length) |
| { |
| if (m_documentFragment != 0) |
| { |
| m_textBuffer.append(chars, length); |
| } |
| else if (m_currentElement == 0) |
| { |
| if (isXMLWhitespace(chars) == false) |
| { |
| throw XalanDOMException(XalanDOMException::HIERARCHY_REQUEST_ERR); |
| } |
| } |
| else |
| { |
| m_textBuffer.append(chars, length); |
| } |
| } |
| |
| |
| |
| void |
| FormatterToSourceTree::charactersRaw( |
| const XMLCh* const chars, |
| const size_type length) |
| { |
| assert(m_document != 0); |
| |
| processAccumulatedText(); |
| |
| doProcessingInstruction(s_piTarget, s_piData); |
| |
| characters(chars, length); |
| } |
| |
| |
| |
| void |
| FormatterToSourceTree::entityReference(const XMLCh* const /* name */) |
| { |
| } |
| |
| |
| |
| void |
| FormatterToSourceTree::ignorableWhitespace( |
| const XMLCh* const chars, |
| const size_type length) |
| { |
| assert(m_document != 0); |
| |
| // Ignore any whitespace reported before the document element has been parsed. |
| if (m_elementStack.size() > 1) |
| { |
| assert(m_documentFragment != 0 || m_document->getDocumentElement() != 0); |
| |
| processAccumulatedText(); |
| |
| assert(m_currentElement != 0); |
| |
| doAppendChildNode( |
| m_currentElement, |
| m_lastChild, |
| m_document->createTextIWSNode(chars, length, m_currentElement)); |
| } |
| else if(m_documentFragment != 0) |
| { |
| processAccumulatedText(); |
| |
| doAppendChildNode( |
| m_documentFragment, |
| m_lastChild, |
| m_document->createTextIWSNode(chars, length, m_currentElement)); |
| } |
| } |
| |
| |
| |
| void |
| FormatterToSourceTree::processingInstruction( |
| const XMLCh* const target, |
| const XMLCh* const data) |
| { |
| assert(m_document != 0); |
| |
| processAccumulatedText(); |
| |
| doProcessingInstruction(target, data); |
| } |
| |
| |
| |
| void |
| FormatterToSourceTree::resetDocument() |
| { |
| } |
| |
| |
| |
| void |
| FormatterToSourceTree::comment(const XMLCh* const data) |
| { |
| assert(m_document != 0); |
| |
| processAccumulatedText(); |
| |
| XalanSourceTreeComment* const theNewComment = |
| m_document->createCommentNode(data, length(data), m_currentElement); |
| |
| doAppendChildNode( |
| m_document, |
| m_documentFragment, |
| m_currentElement, |
| m_lastChild, |
| theNewComment); |
| } |
| |
| |
| |
| void |
| FormatterToSourceTree::cdata( |
| const XMLCh* const /* ch */, |
| const size_type /* length */) |
| { |
| } |
| |
| |
| |
| void |
| FormatterToSourceTree::processAccumulatedText() |
| { |
| if (m_textBuffer.empty() == false) |
| { |
| doCharacters( |
| m_textBuffer.c_str(), |
| m_textBuffer.length()); |
| |
| m_textBuffer.clear(); |
| } |
| } |
| |
| |
| |
| void |
| FormatterToSourceTree::doCharacters( |
| const XMLCh* chars, |
| size_type length) |
| { |
| if (m_currentElement != 0) |
| { |
| doAppendChildNode( |
| m_currentElement, |
| m_lastChild, |
| m_document->createTextNode(chars, length, m_currentElement)); |
| } |
| else if (m_documentFragment != 0) |
| { |
| doAppendChildNode( |
| m_documentFragment, |
| m_lastChild, |
| m_document->createTextNode(chars, length, m_currentElement)); |
| } |
| else |
| { |
| throw XalanDOMException(XalanDOMException::HIERARCHY_REQUEST_ERR); |
| } |
| } |
| |
| |
| |
| XalanSourceTreeElement* |
| FormatterToSourceTree::createElementNode( |
| const XalanDOMChar* name, |
| AttributeListType& attrs, |
| XalanSourceTreeElement* theParentElement) |
| { |
| if (m_prefixResolver != 0) |
| { |
| return m_document->createElementNode(name, attrs, *m_prefixResolver, theParentElement); |
| } |
| else |
| { |
| return m_document->createElementNode(name, attrs, theParentElement); |
| } |
| } |
| |
| |
| |
| void |
| FormatterToSourceTree::doProcessingInstruction( |
| const XMLCh* target, |
| const XMLCh* data) |
| { |
| doAppendChildNode( |
| m_document, |
| m_documentFragment, |
| m_currentElement, |
| m_lastChild, |
| m_document->createProcessingInstructionNode(target, data)); |
| } |
| |
| |
| |
| } |