00001 //=========================================================================== 00002 //Copyright (C) 2003, 2004 Zentaro Kavanagh 00003 // 00004 //Redistribution and use in source and binary forms, with or without 00005 //modification, are permitted provided that the following conditions 00006 //are met: 00007 // 00008 //- Redistributions of source code must retain the above copyright 00009 // notice, this list of conditions and the following disclaimer. 00010 // 00011 //- Redistributions in binary form must reproduce the above copyright 00012 // notice, this list of conditions and the following disclaimer in the 00013 // documentation and/or other materials provided with the distribution. 00014 // 00015 //- Neither the name of Zentaro Kavanagh nor the names of contributors 00016 // may be used to endorse or promote products derived from this software 00017 // without specific prior written permission. 00018 // 00019 //THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 00020 //``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00021 //LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 00022 //PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE ORGANISATION OR 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 00026 //PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 00027 //LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00028 //NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00029 //SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00030 //=========================================================================== 00031 #include "stdafx.h" 00032 #include "filterfilesource.h" 00033 00034 FilterFileSource::FilterFileSource(void) 00035 { 00036 } 00037 00038 FilterFileSource::~FilterFileSource(void) 00039 { 00040 mSourceFile.close(); 00041 } 00042 00043 unsigned long FilterFileSource::seek(unsigned long inPos) { 00044 mSourceFile.seekg(inPos, ios_base::beg); 00045 return mSourceFile.tellg(); 00046 } 00047 void FilterFileSource::close() { 00048 mSourceFile.close(); 00049 } 00050 bool FilterFileSource::open(string inSourceLocation) { 00051 mSourceFile.open(inSourceLocation.c_str(), ios_base::in|ios_base::binary); 00052 return mSourceFile.is_open(); 00053 } 00054 void FilterFileSource::clear() { 00055 mSourceFile.clear(); 00056 } 00057 bool FilterFileSource::isEOF() { 00058 return mSourceFile.eof(); 00059 } 00060 unsigned long FilterFileSource::read(char* outBuffer, unsigned long inNumBytes) { 00061 mSourceFile.read(outBuffer, inNumBytes); 00062 return mSourceFile.gcount(); 00063 }