static string GetString(DB6BinaryReader reader, int field)
{
if (_stringTable != null)
{
return(_stringTable.LookupByKey(reader.GetUInt32(_header.GetFieldBytes(field))));
}
return(reader.ReadCString());
}
static void ReadCommonData <T>(int fieldIndex, Dictionary <uint, T> storage, DB6Meta meta, DBClientHelper[] helper) where T : new()
{
for (int x = (int)_header.FieldCount; x < _header.TotalFieldCount; ++x)
{
var fieldInfo = helper[fieldIndex++];
int arrayLength = meta.ArraySizes[x];
foreach (var recordId in _commandData[x])
{
var dataReader = new DB6BinaryReader(recordId.Value);
var record = storage.LookupByKey(recordId.Key);
if (arrayLength > 1)
{
for (var z = 0; z < arrayLength; ++z)
{
if (fieldInfo.IsArray)
{
//Field is Array
Array array = (Array)fieldInfo.Getter(record);
for (var y = 0; y < array.Length; ++y)
{
SetArrayValue(array, y, fieldInfo, dataReader, x);
}
arrayLength -= array.Length;
}
else
{
SetValue(record, fieldInfo, dataReader, x);
}
}
}
else
{
if (fieldInfo.IsArray)
{
Array array = (Array)fieldInfo.Getter(record);
for (var y = 0; y < array.Length; ++y)
{
SetArrayValue(array, y, fieldInfo, dataReader, x + y);
}
x += array.Length - 1;
}
else
{
SetValue(record, fieldInfo, dataReader, x);
}
}
}
}
}
static void SetValue(object obj, DBClientHelper helper, DB6BinaryReader reader, int field)
{
switch (Type.GetTypeCode(helper.RealType))
{
case TypeCode.SByte:
helper.SetValue(obj, reader.ReadSByte());
break;
case TypeCode.Byte:
helper.SetValue(obj, reader.ReadByte());
break;
case TypeCode.Int16:
helper.SetValue(obj, reader.ReadInt16());
break;
case TypeCode.UInt16:
helper.SetValue(obj, reader.ReadUInt16());
break;
case TypeCode.Int32:
helper.SetValue(obj, reader.GetInt32(_header.GetFieldBytes(field)));
break;
case TypeCode.UInt32:
helper.SetValue(obj, reader.GetUInt32(_header.GetFieldBytes(field)));
break;
case TypeCode.Single:
helper.SetValue(obj, reader.ReadSingle());
break;
case TypeCode.String:
string str = GetString(reader, field);
helper.SetValue(obj, str);
break;
}
}
internal static Dictionary <uint, T> Read <T>(MemoryStream memoryStream, DB6Meta meta) where T : new()
{
Dictionary <uint, T> storage = new Dictionary <uint, T>();
//First lets load field Info
var fields = typeof(T).GetFields();
DBClientHelper[] fieldsInfo = new DBClientHelper[fields.Length];
for (var i = 0; i < fields.Length; ++i)
{
fieldsInfo[i] = new DBClientHelper(fields[i]);
}
using (var fileReader = new BinaryReader(memoryStream))
{
_header = ReadHeader(fileReader);
var data = LoadData(fileReader);
int commonDataFieldIndex = 0;
foreach (var pair in data)
{
var dataReader = new DB6BinaryReader(pair.Value);
var obj = new T();
int fieldIndex = 0;
for (var x = 0; x < _header.FieldCount; ++x)
{
int arrayLength = meta.ArraySizes[x];
if (arrayLength > 1)
{
for (var z = 0; z < arrayLength; ++z)
{
var fieldInfo = fieldsInfo[fieldIndex++];
if (fieldInfo.IsArray)
{
//Field is Array
Array array = (Array)fieldInfo.Getter(obj);
for (var y = 0; y < array.Length; ++y)
{
SetArrayValue(array, y, fieldInfo, dataReader, x);
}
arrayLength -= array.Length;
}
else
{
SetValue(obj, fieldInfo, dataReader, x);
}
}
}
else
{
var fieldInfo = fieldsInfo[fieldIndex++];
if (fieldInfo.IsArray)
{
Array array = (Array)fieldInfo.Getter(obj);
for (var y = 0; y < array.Length; ++y)
{
SetArrayValue(array, y, fieldInfo, dataReader, x + y);
}
x += array.Length - 1;
}
else
{
SetValue(obj, fieldInfo, dataReader, x);
}
}
}
commonDataFieldIndex = fieldIndex;
storage.Add((uint)pair.Key, obj);
}
//Get DB field Index
uint index = 0;
for (uint i = 0; i < _header.FieldCount && i < _header.IndexField; ++i)
{
index += meta.ArraySizes[i];
}
ReadCommonData(commonDataFieldIndex, storage, meta, fieldsInfo);
}
return(storage);
}
static void SetArrayValue(Array array, int arrayIndex, DBClientHelper helper, DB6BinaryReader reader, int field)
{
switch (Type.GetTypeCode(helper.RealType))
{
case TypeCode.SByte:
helper.SetValue(array, reader.ReadSByte(), arrayIndex);
break;
case TypeCode.Byte:
helper.SetValue(array, reader.ReadByte(), arrayIndex);
break;
case TypeCode.Int16:
helper.SetValue(array, reader.ReadInt16(), arrayIndex);
break;
case TypeCode.UInt16:
helper.SetValue(array, reader.ReadUInt16(), arrayIndex);
break;
case TypeCode.Int32:
helper.SetValue(array, reader.GetInt32(_header.GetFieldBytes(field)), arrayIndex);
break;
case TypeCode.UInt32:
helper.SetValue(array, reader.GetUInt32(_header.GetFieldBytes(field)), arrayIndex);
break;
case TypeCode.Single:
helper.SetValue(array, reader.ReadSingle(), arrayIndex);
break;
case TypeCode.String:
helper.SetValue(array, GetString(reader, field), arrayIndex);
break;
}
}
