1/**************************************************************************** 2** libebml : parse EBML files, see http://embl.sourceforge.net/ 3** 4** <file/class description> 5** 6** Copyright (C) 2002-2005 Steve Lhomme. All rights reserved. 7** 8** This file is part of libebml. 9** 10** This library is free software; you can redistribute it and/or 11** modify it under the terms of the GNU Lesser General Public 12** License as published by the Free Software Foundation; either 13** version 2.1 of the License, or (at your option) any later version. 14** 15** This library is distributed in the hope that it will be useful, 16** but WITHOUT ANY WARRANTY; without even the implied warranty of 17** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 18** Lesser General Public License for more details. 19** 20** You should have received a copy of the GNU Lesser General Public 21** License along with this library; if not, write to the Free Software 22** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 23** 24** See http://www.matroska.org/license/lgpl/ for LGPL licensing information. 25** 26** Contact license@matroska.org if any conditions of this licensing are 27** not clear to you. 28** 29**********************************************************************/ 30 31/*! 32 \file 33 \version \$Id: EbmlBinary.cpp 1112 2005-03-28 09:55:50Z mosu $ 34 \author Steve Lhomme <robux4 @ users.sf.net> 35 \author Julien Coloos <suiryc @ users.sf.net> 36*/ 37#include <cassert> 38 39#include "ebml/EbmlBinary.h" 40 41START_LIBEBML_NAMESPACE 42 43EbmlBinary::EbmlBinary() 44 :EbmlElement(0, false), Data(NULL) 45{} 46 47EbmlBinary::EbmlBinary(const EbmlBinary & ElementToClone) 48 :EbmlElement(ElementToClone) 49{ 50 if (ElementToClone.Data == NULL) 51 Data = NULL; 52 else { 53 Data = (binary *)malloc(Size * sizeof(binary)); 54 assert(Data != NULL); 55 memcpy(Data, ElementToClone.Data, Size); 56 } 57} 58 59EbmlBinary::~EbmlBinary(void) { 60 if(Data) 61 free(Data); 62} 63 64uint32 EbmlBinary::RenderData(IOCallback & output, bool bForceRender, bool bKeepIntact) 65{ 66 output.writeFully(Data,Size); 67 68 return Size; 69} 70 71/*! 72 \note no Default binary value handled 73*/ 74uint64 EbmlBinary::UpdateSize(bool bKeepIntact, bool bForceRender) 75{ 76 return Size; 77} 78 79uint64 EbmlBinary::ReadData(IOCallback & input, ScopeMode ReadFully) 80{ 81 if (Data != NULL) 82 free(Data); 83 84 if (ReadFully == SCOPE_NO_DATA) 85 { 86 Data = NULL; 87 return Size; 88 } 89 90 Data = (binary *)malloc(Size * sizeof(binary)); 91 assert(Data != NULL); 92 bValueIsSet = true; 93 return input.read(Data, Size); 94} 95 96bool EbmlBinary::operator==(const EbmlBinary & ElementToCompare) const 97{ 98 return ((Size == ElementToCompare.Size) && !memcmp(Data, ElementToCompare.Data, Size)); 99} 100 101END_LIBEBML_NAMESPACE 102