/// <summary>
/// Reads the String from the current stream and advances the current position of the stream by String size.
/// </summary>
public static string ReadString(this BinaryReader reader, ColumnMeta meta)
{
if (meta != null && meta.Bits != 0x00)
{
throw new Exception("TypeCode.String Unknown meta.Bits");
}
return(reader.ReadStringNull());
}
/// <summary>
/// Reads the Single from the current stream and advances the current position of the stream by Single size.
/// </summary>
public static float ReadSingle(this BinaryReader reader, ColumnMeta meta)
{
if (meta != null && meta.Bits != 0x00)
{
throw new Exception("TypeCode.Single Unknown meta.Bits");
}
return(reader.ReadSingle());
}
/// <summary>
/// Reads the Double from the current stream and advances the current position of the stream by Double size.
/// </summary>
public static double ReadDouble(this BinaryReader reader, ColumnMeta meta)
{
if (meta != null && meta.Bits != -32)
{
throw new Exception("TypeCode.Double Unknown meta.Bits");
}
return(reader.ReadDouble());
}
/// <summary>
/// Reads the UInt64 from the current stream and advances the current position of the stream by UInt64 size.
/// </summary>
public static ulong ReadUInt64(this BinaryReader reader, ColumnMeta meta)
{
if (meta == null)
{
return(reader.ReadUInt64());
}
else
{
byte[] b = reader.ReadBytes((32 - meta.Bits) >> 3);
ulong u64 = 0;
for (int i = 0; i < b.Length; i++)
{
u64 |= ((ulong)b[i] << i * 8);
}
return(u64);
}
}
/// <summary>
/// Reads the UInt32 from the current stream and advances the current position of the stream by UInt32 size.
/// </summary>
public static uint ReadUInt32(this BinaryReader reader, ColumnMeta meta)
{
if (meta == null)
{
return(reader.ReadUInt32());
}
else
{
byte[] b = reader.ReadBytes((32 - meta.Bits) >> 3);
uint u32 = 0;
for (int i = 0; i < b.Length; i++)
{
u32 |= ((uint)b[i] << i * 8);
}
return(u32);
}
}
/// <summary>
/// Reads the UInt16 from the current stream and advances the current position of the stream by UInt16 size.
/// </summary>
public static ushort ReadUInt16(this BinaryReader reader, ColumnMeta meta)
{
if (meta != null && meta.Bits != 0x10)
{
throw new Exception("TypeCode.UInt16 Unknown meta.Bits");
}
return(reader.ReadUInt16());
//if (meta == null)
// return reader.ReadUInt16();
//else
//{
// byte[] b = reader.ReadBytes((32 - meta.Bits) >> 3);
// ushort u16 = 0;
// for (int i = 0; i < b.Length; i++)
// u16 |= (ushort)(b[i] << i * 8);
// return u16;
//}
}
/// <summary>
/// Reads the UInt8 from the current stream and advances the current position of the stream by UInt8 size.
/// </summary>
public static byte ReadUInt8(this BinaryReader reader, ColumnMeta meta)
{
if (meta != null && meta.Bits != 0x18)
{
throw new Exception("TypeCode.Byte Unknown meta.Bits");
}
return(reader.ReadByte());
//if (meta == null)
// return reader.ReadByte();
//else
//{
// byte[] b = reader.ReadBytes((32 - meta.Bits) >> 3);
// byte u8 = 0;
// for (int i = 0; i < b.Length; i++)
// u8 |= (byte)(b[i] << i * 8);
// return u8;
//}
}
private void ReadStringField(int colIndex, ColumnMeta meta, DataRow dataRow, BinaryReader br)
{
if (m_dbreader is WDBReader)
{
dataRow.SetField(colIndex, br.ReadStringNull());
}
else if (m_dbreader is STLReader)
{
int offset = br.ReadInt32();
dataRow.SetField(colIndex, (m_dbreader as STLReader).ReadString(offset));
}
else
{
try
{
dataRow.SetField(colIndex, m_dbreader.IsSparseTable ? br.ReadStringNull() : m_dbreader.StringTable[br.ReadInt32(meta)]);
}
catch
{
dataRow.SetField(colIndex, "Invalid string index!");
}
}
}
private void ReadStringField(int colIndex, ColumnMeta meta, DataRow dataRow, BinaryReader br)
{
if (m_dbreader is WDBReader)
dataRow.SetField(colIndex, br.ReadStringNull());
else if (m_dbreader is STLReader)
{
int offset = br.ReadInt32();
dataRow.SetField(colIndex, (m_dbreader as STLReader).ReadString(offset));
}
else
{
try
{
dataRow.SetField(colIndex, m_dbreader.IsSparseTable ? br.ReadStringNull() : m_dbreader.StringTable[br.ReadInt32(meta)]);
}
catch
{
dataRow.SetField(colIndex, "Invalid string index!");
}
}
}