| /* |
| * 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. |
| */ |
| #if !defined(XALANMEMMGRAUTOPTR_HEADER_GUARD_1357924680) |
| #define XALANMEMMGRAUTOPTR_HEADER_GUARD_1357924680 |
| |
| |
| |
| // Base include file. Must be first. |
| #include <xalanc/PlatformSupport/PlatformSupportDefinitions.hpp> |
| |
| |
| |
| #include <xalanc/Include/XalanMemoryManagement.hpp> |
| |
| #include <cstddef> |
| |
| #include <cassert> |
| |
| #include <utility> |
| |
| |
| |
| namespace XALAN_CPP_NAMESPACE { |
| |
| |
| |
| using xercesc::MemoryManager; |
| |
| // An auto_ptr-like class that supports the MemoryManager class. |
| template<class Type> |
| class XalanMemMgrAutoPtr |
| { |
| public: |
| |
| typedef std::pair<MemoryManager*, Type*> AutoPtrPairType; |
| |
| class MemMgrAutoPtrData : public AutoPtrPairType |
| { |
| public: |
| |
| MemMgrAutoPtrData(): |
| AutoPtrPairType() |
| { |
| } |
| |
| MemMgrAutoPtrData( |
| MemoryManager* memoryManager, |
| Type* dataPointer): |
| AutoPtrPairType(memoryManager, dataPointer) |
| { |
| invariants(); |
| } |
| |
| bool |
| isInitialized()const |
| { |
| return this->first != 0 && this->second != 0; |
| } |
| |
| void |
| deallocate() |
| { |
| invariants(); |
| |
| if (isInitialized()) |
| { |
| this->second->~Type(); |
| |
| this->first->deallocate(this->second); |
| } |
| } |
| |
| void |
| reset( |
| MemoryManager* memoryManager, |
| Type* dataPointer) |
| { |
| invariants(); |
| |
| this->first = memoryManager; |
| |
| this->second = dataPointer; |
| |
| invariants(); |
| } |
| |
| private: |
| |
| void |
| invariants() const |
| { |
| assert( |
| isInitialized() || |
| (this->first == 0 && this->second == 0)); |
| } |
| }; |
| |
| |
| XalanMemMgrAutoPtr( |
| MemoryManager& theManager, |
| Type* ptr) : |
| m_pointerInfo(&theManager, ptr) |
| { |
| } |
| |
| XalanMemMgrAutoPtr() : |
| m_pointerInfo() |
| { |
| } |
| |
| XalanMemMgrAutoPtr(const XalanMemMgrAutoPtr<Type>& theSource) : |
| m_pointerInfo(const_cast<XalanMemMgrAutoPtr<Type>&>(theSource).release()) |
| { |
| } |
| |
| XalanMemMgrAutoPtr<Type>& |
| operator=(XalanMemMgrAutoPtr<Type>& theRHS) |
| { |
| if (this != &theRHS) |
| { |
| m_pointerInfo.deallocate(); |
| |
| m_pointerInfo = theRHS.release(); |
| } |
| |
| return *this; |
| } |
| |
| ~XalanMemMgrAutoPtr() |
| { |
| m_pointerInfo.deallocate(); |
| } |
| |
| Type& |
| operator*() const |
| { |
| return *m_pointerInfo.second; |
| } |
| |
| Type* |
| operator->() const |
| { |
| return m_pointerInfo.second; |
| } |
| |
| Type* |
| get() const |
| { |
| return m_pointerInfo.second; |
| } |
| |
| MemoryManager* |
| getMemoryManager() |
| { |
| return m_pointerInfo.first; |
| } |
| |
| const MemoryManager* |
| getMemoryManager() const |
| { |
| return m_pointerInfo.first; |
| } |
| |
| MemMgrAutoPtrData |
| release() |
| { |
| MemMgrAutoPtrData tmp = m_pointerInfo; |
| |
| m_pointerInfo.reset(0, 0); |
| |
| return MemMgrAutoPtrData(tmp); |
| } |
| |
| Type* |
| releasePtr() |
| { |
| MemMgrAutoPtrData tmp = release(); |
| |
| return tmp.second; |
| } |
| |
| void |
| reset( |
| MemoryManager* theManager = 0, |
| Type* thePointer = 0) |
| { |
| m_pointerInfo.deallocate(); |
| |
| m_pointerInfo.reset(theManager, thePointer); |
| } |
| |
| private: |
| |
| // data member |
| MemMgrAutoPtrData m_pointerInfo; |
| }; |
| |
| |
| |
| |
| template<class Type> |
| class XalanMemMgrAutoPtrArray |
| { |
| public: |
| |
| typedef std::size_t size_type; |
| |
| class MemMgrAutoPtrArrayData |
| { |
| public: |
| |
| MemMgrAutoPtrArrayData(): |
| m_memoryManager(0), |
| m_dataArray(0), |
| m_size(0) |
| { |
| } |
| |
| MemMgrAutoPtrArrayData( |
| MemoryManager* memoryManager, |
| Type* dataPointer, |
| size_type size): |
| m_memoryManager(memoryManager), |
| m_dataArray(dataPointer), |
| m_size(size) |
| { |
| invariants(); |
| } |
| |
| bool |
| isInitilized()const |
| { |
| return m_memoryManager != 0 && m_dataArray != 0 && m_size != 0; |
| } |
| |
| void |
| deallocate() |
| { |
| invariants(); |
| |
| if ( isInitilized() ) |
| { |
| assert ( m_dataArray != 0 ); |
| |
| for ( size_type i = 0; i < m_size ; ++i ) |
| { |
| m_dataArray[i].~Type(); |
| } |
| |
| m_memoryManager->deallocate(m_dataArray); |
| } |
| } |
| |
| void |
| reset( |
| MemoryManager* theMemoryManager, |
| Type* thePointer, |
| size_type size) |
| { |
| invariants(); |
| |
| m_memoryManager = theMemoryManager; |
| |
| m_dataArray = thePointer; |
| |
| m_size = size; |
| |
| invariants(); |
| } |
| |
| MemoryManager* m_memoryManager; |
| |
| Type* m_dataArray; |
| |
| size_type m_size; |
| |
| private: |
| |
| void |
| invariants()const |
| { |
| assert( |
| isInitilized() || |
| (m_memoryManager == 0 && m_dataArray == 0 && m_size == 0)); |
| } |
| }; |
| |
| XalanMemMgrAutoPtrArray( |
| MemoryManager& theManager, |
| Type* ptr, |
| size_type size) : |
| m_pointerInfo( |
| &theManager, |
| ptr, |
| size) |
| { |
| } |
| |
| XalanMemMgrAutoPtrArray() : |
| m_pointerInfo() |
| { |
| } |
| |
| XalanMemMgrAutoPtrArray(const XalanMemMgrAutoPtrArray<Type>& theSource) : |
| m_pointerInfo(((XalanMemMgrAutoPtr<Type>&)theSource).release()) |
| { |
| } |
| |
| XalanMemMgrAutoPtrArray<Type>& |
| operator=(XalanMemMgrAutoPtrArray<Type>& theRHS) |
| { |
| if (this != &theRHS) |
| { |
| m_pointerInfo.deallocate(); |
| |
| m_pointerInfo = theRHS.release(); |
| } |
| |
| return *this; |
| } |
| |
| ~XalanMemMgrAutoPtrArray() |
| { |
| m_pointerInfo.deallocate(); |
| } |
| |
| Type& |
| operator*() const |
| { |
| return *m_pointerInfo.m_dataArray; |
| } |
| |
| Type* |
| operator->() const |
| { |
| return m_pointerInfo.m_dataArray; |
| } |
| |
| Type* |
| get() const |
| { |
| return m_pointerInfo.m_dataArray; |
| } |
| |
| size_type |
| getSize()const |
| { |
| return m_pointerInfo.m_size; |
| } |
| |
| MemoryManager* |
| getMemoryManager() |
| { |
| return m_pointerInfo.m_memoryManager; |
| } |
| |
| const MemoryManager* |
| getMemoryManager() const |
| { |
| return m_pointerInfo.m_memoryManager; |
| } |
| |
| XalanMemMgrAutoPtrArray<Type>& |
| operator++ () |
| { |
| ++m_pointerInfo.m_size; |
| |
| return *this; |
| } |
| |
| /* Since this class is not reference-counted, I don't see how this |
| could work, since the destruction of the temporary will free |
| the controlled pointer. |
| XalanMemMgrAutoPtrArray<Type> |
| operator++ (int) |
| { |
| XalanMemMgrAutoPtrArray<Type> temp = *this; |
| ++*this; |
| |
| return temp; |
| } |
| */ |
| |
| MemMgrAutoPtrArrayData |
| release() |
| { |
| MemMgrAutoPtrArrayData tmp = m_pointerInfo; |
| |
| m_pointerInfo.reset(0, 0, 0); |
| |
| return MemMgrAutoPtrArrayData(tmp); |
| } |
| |
| Type* |
| releasePtr() |
| { |
| MemMgrAutoPtrArrayData tmp = release(); |
| |
| return tmp.m_dataArray; |
| } |
| |
| void |
| reset( |
| MemoryManager* theManager = 0, |
| Type* thePointer = 0 , |
| size_type size = 0) |
| { |
| m_pointerInfo.deallocate(); |
| |
| m_pointerInfo.reset(theManager, thePointer, size); |
| } |
| |
| Type& |
| operator[](size_type index) const |
| { |
| return m_pointerInfo.m_dataArray[index]; |
| } |
| |
| private: |
| |
| // data member |
| MemMgrAutoPtrArrayData m_pointerInfo; |
| }; |
| |
| |
| |
| |
| } |
| |
| |
| |
| #endif // if !defined(XALANMEMMGRAUTOPTR_HEADER_GUARD_1357924680) |