| /* |
| * 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(XALANDOMSTRINGREUSABLEALLOCATOR_INCLUDE_GUARD_12455133) |
| #define XALANDOMSTRINGREUSABLEALLOCATOR_INCLUDE_GUARD_12455133 |
| |
| |
| |
| // Base include file. Must be first. |
| #include <xalanc/PlatformSupport/PlatformSupportDefinitions.hpp> |
| |
| |
| |
| #include <xalanc/PlatformSupport/ReusableArenaAllocator.hpp> |
| |
| |
| |
| #include <xalanc/XalanDOM/XalanDOMString.hpp> |
| |
| |
| |
| namespace XALAN_CPP_NAMESPACE { |
| |
| |
| |
| class XALAN_PLATFORMSUPPORT_EXPORT XalanDOMStringReusableAllocator |
| { |
| public: |
| |
| typedef XalanDOMString data_type; |
| typedef data_type::size_type data_type_size_type; |
| |
| #if defined(XALAN_NO_DEFAULT_TEMPLATE_ARGUMENTS) |
| typedef ReusableArenaBlock<data_type> ArenaBlockType; |
| |
| typedef ReusableArenaBlock<data_type, |
| ArenaBlockType> ArenaAllocatorType; |
| #else |
| typedef ReusableArenaAllocator<data_type> ArenaAllocatorType; |
| #endif |
| |
| typedef ArenaAllocatorType::size_type size_type; |
| |
| enum { eDefaultBlockSize = 32 }; |
| |
| |
| /** |
| * Construct an instance that will allocate in blocks of the specified size. |
| * |
| * @param theBlockSize The block size. |
| */ |
| XalanDOMStringReusableAllocator(MemoryManager& theManager, size_type theBlockCount); |
| |
| ~XalanDOMStringReusableAllocator(); |
| |
| /** |
| * Create a XalanDOMString object. |
| * |
| * @return reference to the new instance |
| */ |
| data_type& |
| create(); |
| |
| /** |
| * Create a XalanDOMString object. |
| * |
| * @param theString A pointer to a character string |
| * @param theCount The number of characters in the string, or npos if the string is null-terminated. |
| * |
| * @return reference to the new instance |
| */ |
| data_type& |
| create( |
| const char* theString, |
| #if defined(_MSC_VER) && (_MSC_VER <= 1300) |
| // $$$ ToDo: Some strange bug in MSVC++ complains when using data_type::npos here. |
| data_type_size_type theCount = data_type_size_type(-1)); |
| #else |
| data_type_size_type theCount = data_type_size_type(data_type::npos)); |
| #endif |
| |
| /** |
| * Copy constructor |
| * |
| * @param theSource The source string for the copy |
| * @param theStartPosition The position to start in the source string. |
| * @param theCount The number of characters to copy from the source string. |
| * |
| * @return reference to the new instance |
| */ |
| data_type& |
| create( |
| const data_type& theSource, |
| data_type_size_type theStartPosition = 0, |
| data_type_size_type theCount = data_type_size_type(data_type::npos)); |
| |
| /** |
| * Create a XalanDOMString object. |
| * |
| * @param theString A pointer to a wide character string |
| * @param theCount The number of characters in the string, or npos if the string is null-terminated. |
| * |
| * @return reference to the new instance |
| */ |
| data_type& |
| create( |
| const XalanDOMChar* theString, |
| data_type_size_type theCount = data_type_size_type(data_type::npos)); |
| |
| /** |
| * Create a XalanDOMString object. |
| * |
| * @param theCount the size of the string |
| * @param theChar the character used to initialize the string |
| * |
| * @return reference to the new instance |
| */ |
| data_type& |
| create( |
| data_type_size_type theCount, |
| XalanDOMChar theChar); |
| |
| /* |
| * Destroy a XalanDOMString object. |
| * |
| */ |
| bool |
| destroy(XalanDOMString& theDOMString) |
| { |
| return m_allocator.destroyObject(&theDOMString); |
| } |
| |
| /** |
| * Determine if an object is owned by the allocator... |
| */ |
| bool |
| ownsObject(const data_type* theObject) |
| { |
| return m_allocator.ownsObject(theObject); |
| } |
| |
| /** |
| * Delete all instance objects from allocator. |
| */ |
| void |
| reset() |
| { |
| m_allocator.reset(); |
| } |
| |
| /** |
| * Get the number of ArenaBlocks currently allocated. |
| * |
| * @return The number of blocks. |
| */ |
| size_type |
| getBlockCount() const |
| { |
| return m_allocator.getBlockCount(); |
| } |
| |
| /** |
| * Get size of an ArenaBlock, that is, the number |
| * of objects in each block. |
| * |
| * @return The size of the block |
| */ |
| size_type |
| getBlockSize() const |
| { |
| return m_allocator.getBlockSize(); |
| } |
| |
| /** |
| * Get a reference to the MemoryManager instance |
| * for this instance. |
| * |
| * @return A reference to the MemoryManager instance. |
| */ |
| MemoryManager& |
| getMemoryManager() |
| { |
| return m_allocator.getMemoryManager(); |
| } |
| |
| /** |
| * Get a reference to the MemoryManager instance |
| * for this instance. |
| * |
| * @return A reference to the MemoryManager instance. |
| */ |
| const MemoryManager& |
| getMemoryManager() const |
| { |
| return m_allocator.getMemoryManager(); |
| } |
| |
| private: |
| |
| // Not implemented... |
| XalanDOMStringReusableAllocator(const XalanDOMStringReusableAllocator&); |
| |
| XalanDOMStringReusableAllocator& |
| operator=(const XalanDOMStringReusableAllocator&); |
| |
| // Data members... |
| ArenaAllocatorType m_allocator; |
| }; |
| |
| |
| |
| } |
| |
| |
| |
| #endif // XALANDOMSTRINGREUSABLEALLOCATOR_INCLUDE_GUARD_12455133 |