mirror of
https://github.com/mangosfour/server.git
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137 lines
3.2 KiB
C++
137 lines
3.2 KiB
C++
/**
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* This code is part of MaNGOS. Contributor & Copyright details are in AUTHORS/THANKS.
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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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#define _CRT_SECURE_NO_DEPRECATE
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#include "dbcfile.h"
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#include "loadlib/loadlib.h"
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DBCFile::DBCFile(const std::string &filename):
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filename(filename),
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data(0)
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{
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}
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DBCFile::DBCFile(HANDLE file) : fileHandle(file), data(0)
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{
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}
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bool DBCFile::open()
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{
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//if (!OpenNewestFile(filename.c_str(), &fileHandle))
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// return false;
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char header[4];
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unsigned int na,nb,es,ss;
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if (!SFileReadFile(fileHandle, header, 4, NULL, NULL)) // Magic header
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{
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SFileCloseFile(fileHandle);
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return false;
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}
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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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SFileCloseFile(fileHandle);
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return false;
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}
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if (!SFileReadFile(fileHandle, &na, 4, NULL, NULL)) // Number of records
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{
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SFileCloseFile(fileHandle);
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return false;
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}
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if (!SFileReadFile(fileHandle, &nb, 4, NULL, NULL)) // Number of fields
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{
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SFileCloseFile(fileHandle);
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return false;
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}
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if (!SFileReadFile(fileHandle, &es, 4, NULL, NULL)) // Size of a record
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{
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SFileCloseFile(fileHandle);
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return false;
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}
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if (!SFileReadFile(fileHandle, &ss, 4, NULL, NULL)) // String size
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{
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SFileCloseFile(fileHandle);
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return false;
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}
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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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if (fieldCount * 4 != recordSize)
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{
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SFileCloseFile(fileHandle);
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return false;
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}
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data = new unsigned char[recordSize*recordCount+stringSize];
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stringTable = data + recordSize*recordCount;
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size_t data_size = recordSize*recordCount+stringSize;
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if (!SFileReadFile(fileHandle, data, data_size, NULL, NULL))
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{
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SFileCloseFile(fileHandle);
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return false;
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}
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SFileCloseFile(fileHandle);
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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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size_t DBCFile::getMaxId()
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{
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assert(data);
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size_t maxId = 0;
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for(size_t i = 0; i < getRecordCount(); ++i)
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{
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if(maxId < getRecord(i).getUInt(0))
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maxId = getRecord(i).getUInt(0);
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}
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return maxId;
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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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