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95 lines
2.4 KiB
C++
95 lines
2.4 KiB
C++
/*
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* Copyright (C) 2005-2011 MaNGOS <http://getmangos.com/>
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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "dbcfile.h"
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#include "mpq_libmpq04.h"
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#undef min
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#undef max
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#include <cstdio>
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DBCFile::DBCFile(const std::string &filename) : filename(filename)
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{
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data = NULL;
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}
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bool DBCFile::open()
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{
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MPQFile f(filename.c_str());
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// Need some error checking, otherwise an unhandled exception error occurs
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// if people screw with the data path.
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if (f.isEof() == true)
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return false;
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unsigned char header[4];
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unsigned int na,nb,es,ss;
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f.read(header,4); // File Header
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if (header[0]!='W' || header[1]!='D' || header[2]!='B' || header[3] != 'C')
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{
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f.close();
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data = NULL;
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printf("Critical Error: An error occured while trying to read the DBCFile %s.", filename.c_str());
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return false;
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}
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//assert(header[0]=='W' && header[1]=='D' && header[2]=='B' && header[3] == 'C');
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f.read(&na,4); // Number of records
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f.read(&nb,4); // Number of fields
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f.read(&es,4); // Size of a record
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f.read(&ss,4); // String size
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recordSize = es;
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recordCount = na;
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fieldCount = nb;
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stringSize = ss;
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//assert(fieldCount*4 == recordSize);
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assert(fieldCount*4 >= recordSize);
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data = new unsigned char[recordSize*recordCount+stringSize];
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stringTable = data + recordSize*recordCount;
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f.read(data,recordSize*recordCount+stringSize);
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f.close();
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return true;
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}
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DBCFile::~DBCFile()
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{
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delete [] data;
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}
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DBCFile::Record DBCFile::getRecord(size_t id)
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{
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assert(data);
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return Record(*this, data + id*recordSize);
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}
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DBCFile::Iterator DBCFile::begin()
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{
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assert(data);
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return Iterator(*this, data);
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}
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DBCFile::Iterator DBCFile::end()
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{
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assert(data);
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return Iterator(*this, stringTable);
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}
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