00001 /* 00002 * The Apache Software License, Version 1.1 00003 * 00004 * 00005 * Copyright (c) 1999-2002 The Apache Software Foundation. All rights 00006 * reserved. 00007 * 00008 * Redistribution and use in source and binary forms, with or without 00009 * modification, are permitted provided that the following conditions 00010 * are met: 00011 * 00012 * 1. Redistributions of source code must retain the above copyright 00013 * notice, this list of conditions and the following disclaimer. 00014 * 00015 * 2. Redistributions in binary form must reproduce the above copyright 00016 * notice, this list of conditions and the following disclaimer in 00017 * the documentation and/or other materials provided with the 00018 * distribution. 00019 * 00020 * 3. The end-user documentation included with the redistribution, 00021 * if any, must include the following acknowledgment: 00022 * "This product includes software developed by the 00023 * Apache Software Foundation (http://www.apache.org/)." 00024 * Alternately, this acknowledgment may appear in the software itself, 00025 * if and wherever such third-party acknowledgments normally appear. 00026 * 00027 * 4. The names "Xalan" and "Apache Software Foundation" must 00028 * not be used to endorse or promote products derived from this 00029 * software without prior written permission. For written 00030 * permission, please contact apache@apache.org. 00031 * 00032 * 5. Products derived from this software may not be called "Apache", 00033 * nor may "Apache" appear in their name, without prior written 00034 * permission of the Apache Software Foundation. 00035 * 00036 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 00037 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 00038 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 00039 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR 00040 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00041 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 00042 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 00043 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 00044 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 00045 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 00046 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00047 * SUCH DAMAGE. 00048 * ==================================================================== 00049 * 00050 * This software consists of voluntary contributions made by many 00051 * individuals on behalf of the Apache Software Foundation and was 00052 * originally based on software copyright (c) 1999, International 00053 * Business Machines, Inc., http://www.ibm.com. For more 00054 * information on the Apache Software Foundation, please see 00055 * <http://www.apache.org/>. 00056 */ 00057 00058 #if !defined(XALANDOMSTRINGALLOCATOR_INCLUDE_GUARD_12455133) 00059 #define XALANDOMSTRINGALLOCATOR_INCLUDE_GUARD_12455133 00060 00061 00062 00063 // Base include file. Must be first. 00064 #include <PlatformSupport/PlatformSupportDefinitions.hpp> 00065 00066 00067 00068 #include <PlatformSupport/ArenaAllocator.hpp> 00069 00070 00071 00072 #include <XalanDOM/XalanDOMString.hpp> 00073 00074 00075 00076 class XALAN_PLATFORMSUPPORT_EXPORT XalanDOMStringAllocator 00077 { 00078 public: 00079 00080 typedef XalanDOMString data_type; 00081 typedef data_type::size_type data_type_size_type; 00082 00083 #if defined(XALAN_NO_DEFAULT_TEMPLATE_ARGUMENTS) 00084 typedef ArenaBlock<data_type> ArenaBlockType; 00085 00086 typedef ArenaAllocator<data_type, 00087 ArenaBlockType> ArenaAllocatorType; 00088 #else 00089 typedef ArenaAllocator<data_type> ArenaAllocatorType; 00090 #endif 00091 00092 typedef ArenaAllocatorType::size_type size_type; 00093 00094 enum { eDefaultBlockSize = 32 }; 00095 00096 00102 XalanDOMStringAllocator(size_type theBlockCount); 00103 00104 ~XalanDOMStringAllocator(); 00105 00114 data_type* 00115 create( 00116 const char* theString, 00117 #if defined(_MSC_VER) 00118 // $$$ ToDo: Some strange bug in MSVC++ complains when using data_type::npos here. 00119 data_type_size_type theCount = data_type_size_type(-1)); 00120 #else 00121 data_type_size_type theCount = data_type_size_type(data_type::npos)); 00122 #endif 00123 00133 data_type* 00134 create( 00135 const data_type& theSource, 00136 data_type_size_type theStartPosition = 0, 00137 data_type_size_type theCount = data_type_size_type(data_type::npos)); 00138 00147 data_type* 00148 create( 00149 const XalanDOMChar* theString, 00150 data_type_size_type theCount = data_type_size_type(data_type::npos)); 00151 00160 data_type* 00161 create( 00162 data_type_size_type theCount, 00163 XalanDOMChar theChar); 00164 00168 bool 00169 ownsObject(const data_type* theObject) 00170 { 00171 return m_allocator.ownsObject(theObject); 00172 } 00173 00177 void 00178 reset() 00179 { 00180 m_allocator.reset(); 00181 } 00182 00188 size_type 00189 getBlockCount() const 00190 { 00191 return m_allocator.getBlockCount(); 00192 } 00193 00200 size_type 00201 getBlockSize() const 00202 { 00203 return m_allocator.getBlockSize(); 00204 } 00205 00206 private: 00207 00208 // Not implemented... 00209 XalanDOMStringAllocator(const XalanDOMStringAllocator&); 00210 00211 XalanDOMStringAllocator& 00212 operator=(const XalanDOMStringAllocator&); 00213 00214 // Data members... 00215 ArenaAllocatorType m_allocator; 00216 }; 00217 00218 00219 00220 #endif // XALANDOMSTRINGALLOCATOR_INCLUDE_GUARD_12455133
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