TempFileEnumerationImplBase.hpp

Go to the documentation of this file.
00001 /*******************************************************************************
00002 * Copyright (C) 2004 Vintela, Inc. All rights reserved.
00003 * Copyright (C) 2005 Novell, Inc. All rights reserved.
00004 *
00005 * Redistribution and use in source and binary forms, with or without
00006 * modification, are permitted provided that the following conditions are met:
00007 *
00008 *  - Redistributions of source code must retain the above copyright notice,
00009 *    this list of conditions and the following disclaimer.
00010 *
00011 *  - Redistributions in binary form must reproduce the above copyright notice,
00012 *    this list of conditions and the following disclaimer in the documentation
00013 *    and/or other materials provided with the distribution.
00014 *
00015 *  - Neither the name of Vintela, Inc., Novell, Inc., nor the names of its
00016 *    contributors may be used to endorse or promote products derived from this
00017 *    software without specific prior written permission.
00018 *
00019 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
00020 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00021 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00022 * ARE DISCLAIMED. IN NO EVENT SHALL Vintela, Inc., Novell, Inc., OR THE 
00023 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
00024 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 
00025 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 
00026 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
00027 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 
00028 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 
00029 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00030 *******************************************************************************/
00031 
00032 
00037 #ifndef BLOCXX_TEMP_FILE_ENUMERATION_IMPL_BASE_HPP_INCLUDE_GUARD_
00038 #define BLOCXX_TEMP_FILE_ENUMERATION_IMPL_BASE_HPP_INCLUDE_GUARD_
00039 #include "blocxx/BLOCXX_config.h"
00040 #include "blocxx/IntrusiveCountableBase.hpp"
00041 #include "blocxx/TempFileStream.hpp"
00042 
00043 // The classes and functions defined in this file are not meant for general
00044 // use, they are internal implementation details.  They may change at any time.
00045 
00046 namespace BLOCXX_NAMESPACE
00047 {
00048 
00049 class BLOCXX_COMMON_API TempFileEnumerationImplBase : public IntrusiveCountableBase
00050 {
00051 
00052 public:
00053    TempFileEnumerationImplBase();
00054    TempFileEnumerationImplBase(String const& filename);
00055    virtual ~TempFileEnumerationImplBase();
00056    bool hasMoreElements() const;
00057    size_t numberOfElements() const;
00058    void clear();
00059    String releaseFile();
00060    bool usingTempFile() const;
00061 private:
00062    // Prevent copying or assignment
00063    TempFileEnumerationImplBase( const TempFileEnumerationImplBase& );
00064    TempFileEnumerationImplBase& operator=( const TempFileEnumerationImplBase& );
00065    size_t readSize(String const& filename);
00066 
00067 protected:
00068    void throwIfEmpty() const;
00069 
00070 protected:
00071    size_t m_size;
00072    TempFileStream m_Data;
00073 };
00074 
00075 } // end namespace BLOCXX_NAMESPACE
00076 
00077 #endif
00078 

Generated on Fri Jun 16 15:39:09 2006 for blocxx by  doxygen 1.4.6