Imported MaNGOS revision 6767 from http://mangos.svn.sourceforge.net/svnroot/mangos/trunk/

contrib/extractor/dbcfile.cpp

@@ -0,0 +1,69 @@
+#define _CRT_SECURE_NO_DEPRECATE
+
+#include "dbcfile.h"
+#include "mpq_libmpq.h"
+
+DBCFile::DBCFile(const std::string &filename):
+    filename(filename),
+    data(0)
+{
+
+}
+void DBCFile::open()
+{
+    MPQFile f(filename.c_str());
+    char header[4];
+    unsigned int na,nb,es,ss;
+
+    f.read(header,4); // Number of records
+    assert(header[0]=='W' && header[1]=='D' && header[2]=='B' && header[3] == 'C');
+    f.read(&na,4); // Number of records
+    f.read(&nb,4); // Number of fields
+    f.read(&es,4); // Size of a record
+    f.read(&ss,4); // String size
+
+    recordSize = es;
+    recordCount = na;
+    fieldCount = nb;
+    stringSize = ss;
+    assert(fieldCount*4 == recordSize);
+
+    data = new unsigned char[recordSize*recordCount+stringSize];
+    stringTable = data + recordSize*recordCount;
+    f.read(data,recordSize*recordCount+stringSize);
+    f.close();
+}
+DBCFile::~DBCFile()
+{
+    delete [] data;
+}
+
+DBCFile::Record DBCFile::getRecord(size_t id)
+{
+    assert(data);
+    return Record(*this, data + id*recordSize);
+}
+
+size_t DBCFile::getMaxId()
+{
+    assert(data);
+
+    size_t maxId = 0;
+    for(size_t i = 0; i < getRecordCount(); ++i)
+    {
+        if(maxId < getRecord(i).getUInt(0))
+            maxId = getRecord(i).getUInt(0);
+    }
+    return maxId;
+}
+
+DBCFile::Iterator DBCFile::begin()
+{
+    assert(data);
+    return Iterator(*this, data);
+}
+DBCFile::Iterator DBCFile::end()
+{
+    assert(data);
+    return Iterator(*this, stringTable);
+}