| /* |
| * 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 "OutputContextStack.hpp" |
| |
| |
| |
| #include <xalanc/PlatformSupport/DOMStringHelper.hpp> |
| |
| |
| namespace XALAN_CPP_NAMESPACE { |
| |
| |
| |
| OutputContextStack::OutputContextStack(MemoryManager& theManager) : |
| m_stack(theManager, 1 ), |
| m_stackPosition(m_stack.begin()), |
| m_stackSize(0) |
| { |
| // m_stack is initialized to a size of 1, so that |
| // we always have a dummy entry at the beginning |
| // of the deque. This makes the implementation |
| // much simpler. |
| } |
| |
| |
| |
| OutputContextStack::~OutputContextStack() |
| { |
| } |
| |
| |
| |
| void |
| OutputContextStack::pushContext(FormatterListener* theListener) |
| { |
| ++m_stackPosition; |
| ++m_stackSize; |
| |
| if (m_stackPosition == m_stack.end()) |
| { |
| m_stack.resize(m_stack.size() + 1); |
| |
| m_stackPosition = m_stack.end() - 1; |
| } |
| |
| if (theListener != 0) |
| { |
| (*m_stackPosition).m_flistener = theListener; |
| } |
| } |
| |
| |
| |
| void |
| OutputContextStack::popContext() |
| { |
| assert(m_stackPosition != m_stack.begin()); |
| |
| OutputContext& theCurrentContext = *m_stackPosition; |
| |
| theCurrentContext.reset(); |
| |
| |
| --m_stackPosition; |
| --m_stackSize; |
| } |
| |
| |
| |
| void |
| OutputContextStack::clear() |
| { |
| // Since we always keep one dummy entry at the beginning, |
| // swap with an OutputContextStackType instance of size 1. |
| OutputContextStackType temp( XalanMemMgrs::getDummyMemMgr(), 1); |
| temp.swap(m_stack); |
| |
| m_stackPosition = m_stack.begin(); |
| |
| m_stackSize = 0; |
| } |
| |
| |
| |
| void |
| OutputContextStack::reset() |
| { |
| while(m_stackPosition != m_stack.begin()) |
| { |
| popContext(); |
| } |
| |
| assert(empty() == true); |
| } |
| |
| |
| |
| } |