diff options
Diffstat (limited to 'kviewshell/plugins/djvu/libdjvu/DjVmDir0.cpp')
| -rw-r--r-- | kviewshell/plugins/djvu/libdjvu/DjVmDir0.cpp | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/kviewshell/plugins/djvu/libdjvu/DjVmDir0.cpp b/kviewshell/plugins/djvu/libdjvu/DjVmDir0.cpp new file mode 100644 index 00000000..62694098 --- /dev/null +++ b/kviewshell/plugins/djvu/libdjvu/DjVmDir0.cpp @@ -0,0 +1,169 @@ +//C- -*- C++ -*- +//C- ------------------------------------------------------------------- +//C- DjVuLibre-3.5 +//C- Copyright (c) 2002 Leon Bottou and Yann Le Cun. +//C- Copyright (c) 2001 AT&T +//C- +//C- This software is subject to, and may be distributed under, the +//C- GNU General Public License, Version 2. The license should have +//C- accompanied the software or you may obtain a copy of the license +//C- from the Free Software Foundation at http://www.fsf.org . +//C- +//C- This program is distributed in the hope that it will be useful, +//C- but WITHOUT ANY WARRANTY; without even the implied warranty of +//C- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +//C- GNU General Public License for more details. +//C- +//C- DjVuLibre-3.5 is derived from the DjVu(r) Reference Library +//C- distributed by Lizardtech Software. On July 19th 2002, Lizardtech +//C- Software authorized us to replace the original DjVu(r) Reference +//C- Library notice by the following text (see doc/lizard2002.djvu): +//C- +//C- ------------------------------------------------------------------ +//C- | DjVu (r) Reference Library (v. 3.5) +//C- | Copyright (c) 1999-2001 LizardTech, Inc. All Rights Reserved. +//C- | The DjVu Reference Library is protected by U.S. Pat. No. +//C- | 6,058,214 and patents pending. +//C- | +//C- | This software is subject to, and may be distributed under, the +//C- | GNU General Public License, Version 2. The license should have +//C- | accompanied the software or you may obtain a copy of the license +//C- | from the Free Software Foundation at http://www.fsf.org . +//C- | +//C- | The computer code originally released by LizardTech under this +//C- | license and unmodified by other parties is deemed "the LIZARDTECH +//C- | ORIGINAL CODE." Subject to any third party intellectual property +//C- | claims, LizardTech grants recipient a worldwide, royalty-free, +//C- | non-exclusive license to make, use, sell, or otherwise dispose of +//C- | the LIZARDTECH ORIGINAL CODE or of programs derived from the +//C- | LIZARDTECH ORIGINAL CODE in compliance with the terms of the GNU +//C- | General Public License. This grant only confers the right to +//C- | infringe patent claims underlying the LIZARDTECH ORIGINAL CODE to +//C- | the extent such infringement is reasonably necessary to enable +//C- | recipient to make, have made, practice, sell, or otherwise dispose +//C- | of the LIZARDTECH ORIGINAL CODE (or portions thereof) and not to +//C- | any greater extent that may be necessary to utilize further +//C- | modifications or combinations. +//C- | +//C- | The LIZARDTECH ORIGINAL CODE is provided "AS IS" WITHOUT WARRANTY +//C- | OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED +//C- | TO ANY WARRANTY OF NON-INFRINGEMENT, OR ANY IMPLIED WARRANTY OF +//C- | MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. +//C- +------------------------------------------------------------------ +// +// $Id: DjVmDir0.cpp,v 1.8 2003/11/07 22:08:20 leonb Exp $ +// $Name: release_3_5_15 $ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif +#if NEED_GNUG_PRAGMAS +# pragma implementation +#endif + +#include "DjVmDir0.h" +#include "ByteStream.h" +#include "debug.h" + + +#ifdef HAVE_NAMESPACES +namespace DJVU { +# ifdef NOT_DEFINED // Just to fool emacs c++ mode +} +#endif +#endif + +int +DjVmDir0::get_size(void) const + // WARNING! make sure, that get_size(), encode() and decode() are in sync +{ + int size=0; + + size+=2; // number of files + for(int i=0;i<num2file.size();i++) + { + FileRec & file=*num2file[i]; + size+=file.name.length()+1; // file name + size+=1; // is IFF file + size+=4; // file offset + size+=4; // file size + }; + + return size; +} + +#ifndef NEED_DECODER_ONLY +void +DjVmDir0::encode(ByteStream & bs) + // WARNING! make sure, that get_size(), encode() and decode() are in sync +{ + bs.write16(num2file.size()); + for(int i=0;i<num2file.size();i++) + { + FileRec & file=*num2file[i]; + bs.writestring(file.name); + bs.write8(0); + bs.write8(file.iff_file); + bs.write32(file.offset); + bs.write32(file.size); + } +} +#endif + +void +DjVmDir0::decode(ByteStream & bs) + // WARNING! make sure, that get_size(), encode() and decode() are in sync +{ + name2file.empty(); + num2file.empty(); + + for(int i=bs.read16();i>0;i--) + { + GUTF8String name; + char ch; + while(bs.read(&ch, 1) && ch) name+=ch; + bool iff_file=bs.read8()?true:false; + int offset=bs.read32(); + int size=bs.read32(); + add_file(name, iff_file, offset, size); + }; +} + +GP<DjVmDir0::FileRec> +DjVmDir0::get_file(const GUTF8String &name) +{ + if (name2file.contains(name)) + return name2file[name]; + return 0; +} + +GP<DjVmDir0::FileRec> +DjVmDir0::get_file(int file_num) +{ + if (file_num<num2file.size()) return num2file[file_num]; + return 0; +} + +void +DjVmDir0::add_file( + const GUTF8String &name, bool iff_file, int offset, int size) +{ + DEBUG_MSG("DjVmDir0::add_file(): name='" << name << "', iff=" << iff_file << + ", offset=" << offset << "\n"); + + if (name.search('/') >= 0) + G_THROW( ERR_MSG("DjVmDir0.no_slash") ); + + GP<FileRec> file=new FileRec(name, iff_file, offset, size); + name2file[name]=file; + num2file.resize(num2file.size()); + num2file[num2file.size()-1]=file; +} + + +#ifdef HAVE_NAMESPACES +} +# ifndef NOT_USING_DJVU_NAMESPACE +using namespace DJVU; +# endif +#endif |