mirror of
https://github.com/nzbget/nzbget.git
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165 lines
4.3 KiB
C++
165 lines
4.3 KiB
C++
// This file is part of par2cmdline (a PAR 2.0 compatible file verification and
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// repair tool). See http://parchive.sourceforge.net for details of PAR 2.0.
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//
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// Copyright (c) 2003 Peter Brian Clements
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//
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// par2cmdline is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// par2cmdline is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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#include "nzbget.h"
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#include "par2cmdline.h"
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#ifdef _MSC_VER
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#ifdef _DEBUG
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#undef THIS_FILE
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static char THIS_FILE[]=__FILE__;
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#define new DEBUG_NEW
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#endif
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#endif
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namespace Par2 {
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Par2RepairerSourceFile::Par2RepairerSourceFile(DescriptionPacket *_descriptionpacket,
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VerificationPacket *_verificationpacket)
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{
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firstblocknumber = 0;
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descriptionpacket = _descriptionpacket;
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verificationpacket = _verificationpacket;
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// verificationhashtable = 0;
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targetexists = false;
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targetfile = 0;
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completefile = 0;
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}
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Par2RepairerSourceFile::~Par2RepairerSourceFile(void)
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{
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delete descriptionpacket;
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delete verificationpacket;
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// delete verificationhashtable;
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}
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void Par2RepairerSourceFile::SetDescriptionPacket(DescriptionPacket *_descriptionpacket)
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{
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descriptionpacket = _descriptionpacket;
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}
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void Par2RepairerSourceFile::SetVerificationPacket(VerificationPacket *_verificationpacket)
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{
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verificationpacket = _verificationpacket;
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}
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void Par2RepairerSourceFile::ComputeTargetFileName(string path)
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{
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// Get a version of the filename compatible with the OS
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string filename = DiskFile::TranslateFilename(descriptionpacket->FileName());
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// Strip the path from the filename
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string::size_type where;
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if (string::npos != (where = filename.find_last_of('\\'))
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|| string::npos != (where = filename.find_last_of('/'))
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#ifdef WIN32
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|| string::npos != (where = filename.find_last_of(':'))
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#endif
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)
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{
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filename = filename.substr(where+1);
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}
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targetfilename = path + filename;
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}
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string Par2RepairerSourceFile::TargetFileName(void) const
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{
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return targetfilename;
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}
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void Par2RepairerSourceFile::SetTargetFile(DiskFile *diskfile)
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{
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targetfile = diskfile;
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}
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DiskFile* Par2RepairerSourceFile::GetTargetFile(void) const
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{
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return targetfile;
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}
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void Par2RepairerSourceFile::SetTargetExists(bool exists)
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{
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targetexists = exists;
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}
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bool Par2RepairerSourceFile::GetTargetExists(void) const
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{
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return targetexists;
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}
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void Par2RepairerSourceFile::SetCompleteFile(DiskFile *diskfile)
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{
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completefile = diskfile;
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}
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DiskFile* Par2RepairerSourceFile::GetCompleteFile(void) const
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{
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return completefile;
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}
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// Remember which source and target blocks will be used by this file
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// and set their lengths appropriately
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void Par2RepairerSourceFile::SetBlocks(u32 _blocknumber,
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u32 _blockcount,
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vector<DataBlock>::iterator _sourceblocks,
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vector<DataBlock>::iterator _targetblocks,
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u64 blocksize)
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{
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firstblocknumber = _blocknumber;
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blockcount = _blockcount;
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sourceblocks = _sourceblocks;
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targetblocks = _targetblocks;
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if (blockcount > 0)
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{
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u64 filesize = descriptionpacket->FileSize();
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vector<DataBlock>::iterator sb = sourceblocks;
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for (u32 blocknumber=0; blocknumber<blockcount; ++blocknumber, ++sb)
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{
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DataBlock &datablock = *sb;
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u64 blocklength = min(blocksize, filesize-(u64)blocknumber*blocksize);
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datablock.SetLength(blocklength);
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}
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}
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}
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// Determine the block count from the file size and block size.
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void Par2RepairerSourceFile::SetBlockCount(u64 blocksize)
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{
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if (descriptionpacket)
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{
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blockcount = (u32)((descriptionpacket->FileSize() + blocksize-1) / blocksize);
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}
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else
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{
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blockcount = 0;
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}
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}
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} // end namespace Par2
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