blocxx
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00001 /******************************************************************************* 00002 * Copyright (C) 2005, Vintela, Inc. All rights reserved. 00003 * Copyright (C) 2006, 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 * * Redistributions in binary form must reproduce the above copyright 00011 * notice, this list of conditions and the following disclaimer in the 00012 * documentation and/or other materials provided with the distribution. 00013 * * Neither the name of 00014 * Vintela, Inc., 00015 * nor Novell, Inc., 00016 * nor the names of its contributors or employees may be used to 00017 * endorse or promote products derived from this software without 00018 * specific prior written permission. 00019 * 00020 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 00021 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00022 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00023 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 00024 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 00025 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 00026 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00027 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 00028 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 00029 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00030 * POSSIBILITY OF SUCH DAMAGE. 00031 *******************************************************************************/ 00032 00033 00038 #ifndef BLOCXX_TEMP_FILE_ENUMERATION_IMPL_BASE_HPP_INCLUDE_GUARD_ 00039 #define BLOCXX_TEMP_FILE_ENUMERATION_IMPL_BASE_HPP_INCLUDE_GUARD_ 00040 #include "blocxx/BLOCXX_config.h" 00041 #include "blocxx/IntrusiveCountableBase.hpp" 00042 #include "blocxx/TempFileStream.hpp" 00043 00044 // The classes and functions defined in this file are not meant for general 00045 // use, they are internal implementation details. They may change at any time. 00046 00047 namespace BLOCXX_NAMESPACE 00048 { 00049 00050 class BLOCXX_COMMON_API TempFileEnumerationImplBase : public IntrusiveCountableBase 00051 { 00052 00053 public: 00054 TempFileEnumerationImplBase(); 00055 virtual ~TempFileEnumerationImplBase(); 00056 bool hasMoreElements() const; 00057 size_t numberOfElements() const; 00058 void clear(); 00059 bool usingTempFile() const; 00060 private: 00061 // Prevent copying or assignment 00062 TempFileEnumerationImplBase( const TempFileEnumerationImplBase& ); 00063 TempFileEnumerationImplBase& operator=( const TempFileEnumerationImplBase& ); 00064 size_t readSize(String const& filename); 00065 00066 protected: 00067 void throwIfEmpty() const; 00068 00069 protected: 00070 size_t m_size; 00071 TempFileStream m_Data; 00072 }; 00073 00074 } // end namespace BLOCXX_NAMESPACE 00075 00076 #endif 00077