strigi/src/streams
filereader.cpp
Go to the documentation of this file.00001 /* This file is part of Strigi Desktop Search 00002 * 00003 * Copyright (C) 2006 Jos van den Oever <jos@vandenoever.info> 00004 * 00005 * This library is free software; you can redistribute it and/or 00006 * modify it under the terms of the GNU Library General Public 00007 * License as published by the Free Software Foundation; either 00008 * version 2 of the License, or (at your option) any later version. 00009 * 00010 * This library is distributed in the hope that it will be useful, 00011 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00013 * Library General Public License for more details. 00014 * 00015 * You should have received a copy of the GNU Library General Public License 00016 * along with this library; see the file COPYING.LIB. If not, write to 00017 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 00018 * Boston, MA 02110-1301, USA. 00019 */ 00020 #include "filereader.h" 00021 #include <strigi/strigiconfig.h> 00022 #include "fileinputstream.h" 00023 #include "inputstreamreader.h" 00024 00025 using namespace Strigi; 00026 00027 FileReader::FileReader(const char* fname, const char* encoding_scheme, 00028 int32_t cachelen, int32_t /*cachebuff*/) { 00029 input = new FileInputStream(fname, cachelen); 00030 reader = new InputStreamReader(input, encoding_scheme); 00031 } 00032 FileReader::~FileReader() { 00033 if (reader) delete reader; 00034 if (input) delete input; 00035 } 00036 int32_t 00037 FileReader::read(const wchar_t*& start, int32_t min, int32_t max) { 00038 int32_t nread = reader->read(start, min, max); 00039 if (nread < -1) { 00040 m_error = reader->error(); 00041 m_status = Error; 00042 return nread; 00043 } else if (nread == -1) { 00044 m_status = Eof; 00045 } 00046 return nread; 00047 } 00048 int64_t 00049 FileReader::reset(int64_t newpos) { 00050 m_position = reader->reset(newpos); 00051 if (m_position < -1) { 00052 m_status = Error; 00053 m_error = reader->error(); 00054 } 00055 return m_position; 00056 } 00057
KDE 4.4 API Reference