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82 lines
1.8 KiB
C++
82 lines
1.8 KiB
C++
#define _CRT_SECURE_NO_DEPRECATE
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#include "dbcfile.h"
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#include "mpq_libmpq.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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bool DBCFile::open()
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{
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MPQFile f(filename.c_str());
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char header[4];
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unsigned int na,nb,es,ss;
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if(f.read(header,4)!=4) // Number of records
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return false;
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if(header[0]!='W' || header[1]!='D' || header[2]!='B' || header[3]!='C')
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return false;
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if(f.read(&na,4)!=4) // Number of records
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return false;
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if(f.read(&nb,4)!=4) // Number of fields
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return false;
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if(f.read(&es,4)!=4) // Size of a record
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return false;
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if(f.read(&ss,4)!=4) // String size
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return false;
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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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return false;
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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(f.read(data,data_size)!=data_size)
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return false;
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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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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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