| /* |
| * 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(XNODESETALLOCATOR_INCLUDE_GUARD_12455133) |
| #define XNODESETALLOCATOR_INCLUDE_GUARD_12455133 |
| |
| |
| |
| // Base include file. Must be first. |
| #include <xalanc/XPath/XPathDefinitions.hpp> |
| |
| |
| |
| #include <xalanc/XPath/XNodeSet.hpp> |
| |
| |
| |
| #include <xalanc/PlatformSupport/ReusableArenaAllocator.hpp> |
| |
| |
| |
| namespace XALAN_CPP_NAMESPACE { |
| |
| |
| |
| class XALAN_XPATH_EXPORT XNodeSetAllocator |
| { |
| public: |
| |
| typedef XPathExecutionContext::BorrowReturnMutableNodeRefList BorrowReturnMutableNodeRefList; |
| |
| typedef XNodeSet nodeset_type; |
| |
| typedef ReusableArenaAllocator<nodeset_type> ArenaAllocatorType; |
| typedef ArenaAllocatorType::size_type size_type; |
| |
| /** |
| * Construct an instance that will allocate blocks of the specified size. |
| * |
| * @param theBlockSize The block size. |
| */ |
| XNodeSetAllocator(MemoryManager& theManager, size_type theBlockCount); |
| |
| ~XNodeSetAllocator(); |
| |
| /** |
| * Create an XNodeSet object using allocator from a string. |
| * |
| * @param value source NodeRefListBase |
| * |
| * @return pointer to a node |
| */ |
| nodeset_type* |
| createNodeSet(BorrowReturnMutableNodeRefList& value); |
| |
| |
| /** |
| * Delete an XNodeSet object from allocator. |
| */ |
| bool |
| destroy(nodeset_type* theNodeSet); |
| |
| /** |
| * Determine if an object is owned by the allocator... |
| */ |
| bool |
| ownsObject(const nodeset_type* theObject) |
| { |
| return m_allocator.ownsObject(theObject); |
| } |
| |
| /** |
| * Delete all XNodeSet objects from allocator. |
| */ |
| void |
| reset(); |
| |
| /** |
| * Get size of an ArenaBlock, that is, the number |
| * of objects in each block. |
| * |
| * @return The size of the block |
| */ |
| size_type |
| getBlockCount() const |
| { |
| return m_allocator.getBlockCount(); |
| } |
| |
| /** |
| * Get the number of ArenaBlocks currently allocated. |
| * |
| * @return The number of blocks. |
| */ |
| size_type |
| getBlockSize() const |
| { |
| return m_allocator.getBlockSize(); |
| } |
| |
| |
| private: |
| |
| // Not implemented... |
| XNodeSetAllocator(const XNodeSetAllocator&); |
| |
| XNodeSetAllocator& |
| operator=(const XNodeSetAllocator&); |
| |
| // Data members... |
| ArenaAllocatorType m_allocator; |
| }; |
| |
| |
| |
| } |
| |
| |
| |
| #endif // XNODESETALLOCATOR_INCLUDE_GUARD_12455133 |