mirror of
https://github.com/nzbget/nzbget.git
synced 2026-02-01 01:32:35 -05:00
153 lines
3.2 KiB
C++
153 lines
3.2 KiB
C++
/*
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* This file is part of nzbget
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*
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* Copyright (C) 2007-2015 Andrey Prygunkov <hugbug@users.sourceforge.net>
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*
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* This program 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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* This program 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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*
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* $Revision$
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* $Date$
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#ifdef WIN32
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#include "win32.h"
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#endif
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include <ctype.h>
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#ifdef WIN32
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#include <direct.h>
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#else
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#include <unistd.h>
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#endif
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#include "nzbget.h"
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#include "Util.h"
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#include "ParParser.h"
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bool ParParser::FindMainPars(const char* szPath, ParFileList* pFileList)
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{
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if (pFileList)
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{
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pFileList->clear();
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}
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DirBrowser dir(szPath);
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while (const char* filename = dir.Next())
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{
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int iBaseLen = 0;
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if (ParseParFilename(filename, &iBaseLen, NULL))
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{
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if (!pFileList)
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{
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return true;
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}
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// check if the base file already added to list
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bool exists = false;
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for (ParFileList::iterator it = pFileList->begin(); it != pFileList->end(); it++)
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{
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const char* filename2 = *it;
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exists = SameParCollection(filename, filename2);
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if (exists)
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{
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break;
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}
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}
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if (!exists)
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{
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pFileList->push_back(strdup(filename));
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}
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}
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}
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return pFileList && !pFileList->empty();
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}
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bool ParParser::SameParCollection(const char* szFilename1, const char* szFilename2)
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{
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int iBaseLen1 = 0, iBaseLen2 = 0;
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return ParseParFilename(szFilename1, &iBaseLen1, NULL) &&
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ParseParFilename(szFilename2, &iBaseLen2, NULL) &&
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iBaseLen1 == iBaseLen2 &&
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!strncasecmp(szFilename1, szFilename2, iBaseLen1);
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}
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bool ParParser::ParseParFilename(const char* szParFilename, int* iBaseNameLen, int* iBlocks)
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{
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char szFilename[1024];
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strncpy(szFilename, szParFilename, 1024);
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szFilename[1024-1] = '\0';
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for (char* p = szFilename; *p; p++) *p = tolower(*p); // convert string to lowercase
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int iLen = strlen(szFilename);
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if (iLen < 6)
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{
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return false;
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}
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// find last occurence of ".par2" and trim filename after it
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char* szEnd = szFilename;
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while (char* p = strstr(szEnd, ".par2")) szEnd = p + 5;
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*szEnd = '\0';
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iLen = strlen(szFilename);
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if (iLen < 6)
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{
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return false;
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}
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if (strcasecmp(szFilename + iLen - 5, ".par2"))
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{
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return false;
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}
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*(szFilename + iLen - 5) = '\0';
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int blockcnt = 0;
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char* p = strrchr(szFilename, '.');
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if (p && !strncasecmp(p, ".vol", 4))
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{
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char* b = strchr(p, '+');
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if (!b)
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{
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b = strchr(p, '-');
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}
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if (b)
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{
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blockcnt = atoi(b+1);
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*p = '\0';
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}
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}
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if (iBaseNameLen)
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{
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*iBaseNameLen = strlen(szFilename);
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}
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if (iBlocks)
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{
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*iBlocks = blockcnt;
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}
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return true;
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}
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