libopenraw
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00001 /* 00002 * libopenraw - orfcontainer.cpp 00003 * 00004 * Copyright (C) 2006 Hubert Figuiere 00005 * 00006 * This library is free software: you can redistribute it and/or 00007 * modify it under the terms of the GNU Lesser General Public License 00008 * as published by the Free Software Foundation, either version 3 of 00009 * the License, or (at your option) any later version. 00010 * 00011 * This library is distributed in the hope that it will be useful, 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00014 * Lesser General Public License for more details. 00015 * 00016 * You should have received a copy of the GNU Lesser General Public 00017 * License along with this library. If not, see 00018 * <http://www.gnu.org/licenses/>. 00019 */ 00020 00021 00022 #include "debug.h" 00023 #include "orfcontainer.h" 00024 00025 00026 using namespace Debug; 00027 00028 namespace OpenRaw { 00029 00030 namespace Internals { 00031 00032 00033 ORFContainer::ORFContainer(IO::Stream *_file, off_t offset) 00034 : IFDFileContainer(_file, offset) 00035 { 00036 } 00037 00038 00039 ORFContainer::~ORFContainer() 00040 { 00041 } 00042 00043 00044 IFDFileContainer::EndianType 00045 ORFContainer::isMagicHeader(const char *p, int len) 00046 { 00047 if (len < 4){ 00048 // we need at least 4 bytes to check 00049 return ENDIAN_NULL; 00050 } 00051 if ((p[0] == 0x49) && (p[1] == 0x49) 00052 && (p[2] == 0x52) && (p[3] == 0x4f)) { 00053 00054 Trace(DEBUG1) << "Identified ORF file\n"; 00055 00056 return ENDIAN_LITTLE; 00057 } 00058 00059 Trace(DEBUG1) << "Unidentified ORF file\n"; 00060 00061 return ENDIAN_NULL; 00062 } 00063 00064 } 00065 } 00066