## Xalan-C++ API Documentation

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# XalanDOMStringAllocator.hpp

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    00001 /*
    00002  * Copyright 1999-2004 The Apache Software Foundation.
    00003  *
    00004  * Licensed under the Apache License, Version 2.0 (the "License");
    00005  * you may not use this file except in compliance with the License.
    00006  * You may obtain a copy of the License at
    00007  *
    00008  *     http://www.apache.org/licenses/LICENSE-2.0
    00009  *
    00010  * Unless required by applicable law or agreed to in writing, software
    00011  * distributed under the License is distributed on an "AS IS" BASIS,
    00012  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    00013  * See the License for the specific language governing permissions and
    00014  * limitations under the License.
    00015  */
    00016
    00017 #if !defined(XALANDOMSTRINGALLOCATOR_INCLUDE_GUARD_12455133)
    00018 #define XALANDOMSTRINGALLOCATOR_INCLUDE_GUARD_12455133
    00019
    00020
    00021
    00022 // Base include file.  Must be first.
    00023 #include <xalanc/PlatformSupport/PlatformSupportDefinitions.hpp>
    00024
    00025
    00026
    00027 #include <xalanc/PlatformSupport/ArenaAllocator.hpp>
    00028
    00029
    00030
    00031 #include <xalanc/XalanDOM/XalanDOMString.hpp>
    00032
    00033
    00034
    00035 XALAN_CPP_NAMESPACE_BEGIN
    00036
    00037
    00038
    00039 class XALAN_PLATFORMSUPPORT_EXPORT XalanDOMStringAllocator
    00040 {
    00041 public:
    00042
    00043     typedef XalanDOMString                  data_type;
    00044     typedef data_type::size_type            data_type_size_type;
    00045
    00046 #if defined(XALAN_NO_DEFAULT_TEMPLATE_ARGUMENTS)
    00047     typedef ArenaBlock<data_type>           ArenaBlockType;
    00048
    00049     typedef ArenaAllocator<data_type,
    00050                            ArenaBlockType>  ArenaAllocatorType;
    00051 #else
    00052     typedef ArenaAllocator<data_type>       ArenaAllocatorType;
    00053 #endif
    00054
    00055     typedef ArenaAllocatorType::size_type   size_type;
    00056
    00057     enum { eDefaultBlockSize = 32 };
    00058
    00059
    00065     XalanDOMStringAllocator(MemoryManagerType&      theManager, size_type   theBlockCount);
    00066
    00067     ~XalanDOMStringAllocator();
    00068
    00074     data_type*
    00075     create();
    00076
    00085     data_type*
    00086     create(
    00087             const char*             theString,
    00088 #if defined(_MSC_VER) && (_MSC_VER <= 1300)
    00089             // $$$ ToDo: Some strange bug in MSVC++ complains when using data_type::npos here.
    00090             data_type_size_type     theCount = data_type_size_type(-1));
    00091 #else
    00092             data_type_size_type     theCount = data_type_size_type(data_type::npos));
    00093 #endif
    00094
    00104     data_type*
    00105     create(
    00106             const data_type&        theSource,
    00107             data_type_size_type     theStartPosition = 0,
    00108             data_type_size_type     theCount = data_type_size_type(data_type::npos));
    00109
    00118     data_type*
    00119     create(
    00120             const XalanDOMChar*     theString,
    00121             data_type_size_type     theCount = data_type_size_type(data_type::npos));
    00122
    00131     data_type*
    00132     create(
    00133             data_type_size_type     theCount,
    00134             XalanDOMChar            theChar);
    00135
    00139     bool
    00140     ownsObject(const data_type*     theObject)
    00141     {
    00142         return m_allocator.ownsObject(theObject);
    00143     }
    00144
    00148     void
    00149     reset()
    00150     {
    00151         m_allocator.reset();
    00152     }
    00153
    00159     size_type
    00160     getBlockCount() const
    00161     {
    00162         return m_allocator.getBlockCount();
    00163     }
    00164
    00171     size_type
    00172     getBlockSize() const
    00173     {
    00174         return m_allocator.getBlockSize();
    00175     }
    00176
    00183     MemoryManagerType&
    00184     getMemoryManager()
    00185     {
    00186         return m_allocator.getMemoryManager();
    00187     }
    00188
    00195     const MemoryManagerType&
    00196     getMemoryManager() const
    00197     {
    00198         return m_allocator.getMemoryManager();
    00199     }
    00200
    00201 private:
    00202
    00203     // Not implemented...
    00204     XalanDOMStringAllocator(const XalanDOMStringAllocator&);
    00205
    00206     XalanDOMStringAllocator&
    00207     operator=(const XalanDOMStringAllocator&);
    00208
    00209     // Data members...
    00210     ArenaAllocatorType  m_allocator;
    00211 };
    00212
    00213
    00214
    00215 XALAN_CPP_NAMESPACE_END
    00216
    00217
    00218
    00219 #endif  // XALANDOMSTRINGALLOCATOR_INCLUDE_GUARD_12455133

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Xalan-C++ XSLT Processor Version 1.9 Copyright © 1999-2004 The Apache Software Foundation. All Rights Reserved.