## Xalan-C++ API Documentation

### The Xalan C++ XSLT Processor Version 1.10

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# XalanDiagnosticMemoryManager.hpp

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    00001 /*
    00002  * Copyright 1999-2005 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 #if !defined(XALAN_DIAGNOSTICMEMORYMANAGER_HEADER_GUARD_1357924680)
    00017 #define XALAN_DIAGNOSTICMEMORYMANAGER_HEADER_GUARD_1357924680
    00018
    00019
    00020
    00021 #include "xalanc/Harness/XalanHarnessDefinitions.hpp"
    00022
    00023
    00024
    00025 #include <cstddef>
    00026
    00027
    00028
    00029 #if defined(XALAN_CLASSIC_IOSTREAMS)
    00030 #include <iostream.h>
    00031 #else
    00032 #include <iosfwd>
    00033 #include <ios>
    00034 #endif
    00035
    00036
    00037
    00038 #include "xercesc/framework/MemoryManager.hpp"
    00039
    00040
    00041
    00042 #include "xalanc/Include/XalanMap.hpp"
    00043
    00044
    00045
    00046 XALAN_CPP_NAMESPACE_BEGIN
    00047
    00048
    00049
    00050 XALAN_USING_XERCES(MemoryManager)
    00051
    00052
    00053
    00054 class XALAN_HARNESS_EXPORT XalanDiagnosticMemoryManager : public MemoryManager
    00055 {
    00056 public:
    00057
    00058     typedef unsigned int int_type;
    00059
    00060 #if defined(XALAN_NO_STD_NAMESPACE)
    00061     typedef ostream             StreamType;
    00062 #else
    00063     typedef std::ostream        StreamType;
    00064 #endif
    00065
    00066 #if defined(XALAN_STRICT_ANSI_HEADERS)
    00067     typedef std::size_t     size_type;
    00068 #else
    00069     typedef size_t          size_type;
    00070 #endif
    00071
    00072     class LockException
    00073     {
    00074     public:
    00075
    00076         LockException()
    00077         {
    00078         }
    00079
    00080         ~LockException()
    00081         {
    00082         }
    00083     };
    00084
    00085     XalanDiagnosticMemoryManager(
    00086                 MemoryManager&  theMemoryManager,
    00087                 bool            fAssertErrors = false,
    00088                 StreamType*     theStream = 0);
    00089
    00090     virtual
    00091     ~XalanDiagnosticMemoryManager();
    00092
    00093     virtual void*
    00094     allocate(size_type  size);
    00095
    00096     virtual void
    00097     deallocate(void*    pointer);
    00098
    00099     bool
    00100     getAssertErrors() const
    00101     {
    00102         return m_assertErrors;
    00103     }
    00104
    00105     void
    00106     setAssertErrors(bool    fFlag)
    00107     {
    00108         m_assertErrors = fFlag;
    00109     }
    00110
    00111     // Get the high-water mark (the highest amount
    00112     // that was allocated at any particular point).
    00113     size_type
    00114     getHighWaterMark() const
    00115     {
    00116         return m_highWaterMark;
    00117     }
    00118
    00119     // Get the number of bytes currently allocated.
    00120     size_type
    00121     getAllocated() const
    00122     {
    00123         return m_currentAllocated;
    00124     }
    00125
    00126     // Get the current number of outstanding allocations.
    00127     size_type
    00128     getAllocations() const
    00129     {
    00130         return m_allocations.size();
    00131     }
    00132
    00133     struct Data
    00134     {
    00135         Data() :
    00136             m_size(0),
    00137             m_sequence(0)
    00138         {
    00139         }
    00140
    00141         Data(
    00142                 size_type   theSize,
    00143                 size_type   theSequence) :
    00144             m_size(theSize),
    00145             m_sequence(theSequence)
    00146         {
    00147         }
    00148
    00149         size_type   m_size;
    00150
    00151         size_type   m_sequence;
    00152     };
    00153
    00154     typedef XalanMap<void*, Data>   MapType;
    00155
    00156     typedef MapType::const_iterator     const_iterator;
    00157
    00158     const_iterator
    00159     getAllocationsIterator() const
    00160     {
    00161         return m_allocations.begin();
    00162     }
    00163
    00164     void
    00165     lock()
    00166     {
    00167         m_locked = true;
    00168     }
    00169
    00170     void
    00171     unlock()
    00172     {
    00173         m_locked = false;
    00174     }
    00175
    00176     enum
    00177     {
    00178         defaultBytesToDump = 20u
    00179     };
    00180
    00181     void
    00182     dumpStatistics(
    00183                 StreamType*  theStream = 0,
    00184                 size_type    theBytesToDump = defaultBytesToDump);
    00185
    00186 private:
    00187
    00188     XalanDiagnosticMemoryManager(const XalanDiagnosticMemoryManager&);
    00189
    00190     XalanDiagnosticMemoryManager&
    00191     operator=(const XalanDiagnosticMemoryManager&);
    00192
    00193     MemoryManager&  m_memoryManager;
    00194
    00195     bool            m_assertErrors;
    00196
    00197     bool            m_locked;
    00198
    00199     size_type       m_sequence;
    00200
    00201     size_type       m_highWaterMark;
    00202
    00203     size_type       m_currentAllocated;
    00204
    00205     MapType         m_allocations;
    00206
    00207     StreamType*     m_stream;
    00208 };
    00209
    00210
    00211
    00212 XALAN_CPP_NAMESPACE_END
    00213
    00214
    00215
    00216 #endif  // XALAN_DIAGNOSTICMEMORYMANAGER_HEADER_GUARD_1357924680

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Xalan-C++ XSLT Processor Version 1.10 Copyright © 1999-2004 The Apache Software Foundation. All Rights Reserved.