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