public void WriteField(string fieldName, Type fieldType)
{
if (status != Status.FieldCollection)
{
WriteStartFieldCollection();
}
CriFieldFlag fieldFlag = (CriFieldFlag)Array.IndexOf(CriField.FieldTypes, fieldType) | CriFieldFlag.RowStorage;
if (!string.IsNullOrEmpty(fieldName))
{
fieldFlag |= CriFieldFlag.Name;
}
CriTableField field = new CriTableField
{
Flag = fieldFlag,
Name = fieldName
};
DataStream.WriteByte(destination, (byte)field.Flag);
if (!string.IsNullOrEmpty(fieldName))
{
WriteString(field.Name);
}
field.Offset = header.RowLength;
switch (field.Flag & CriFieldFlag.TypeMask)
{
case CriFieldFlag.Byte:
case CriFieldFlag.SByte:
header.RowLength += 1;
break;
case CriFieldFlag.Int16:
case CriFieldFlag.UInt16:
header.RowLength += 2;
break;
case CriFieldFlag.Int32:
case CriFieldFlag.UInt32:
case CriFieldFlag.Single:
case CriFieldFlag.String:
header.RowLength += 4;
break;
case CriFieldFlag.Int64:
case CriFieldFlag.UInt64:
case CriFieldFlag.Double:
case CriFieldFlag.Data:
header.RowLength += 8;
break;
}
fields.Add(field);
header.FieldCount++;
}
public void WriteField(string fieldName, Type fieldType, object defaultValue)
{
if (status != Status.FieldCollection)
{
WriteStartFieldCollection();
}
CriFieldFlag fieldFlag = (CriFieldFlag)Array.IndexOf(CriField.FieldTypes, fieldType);
if (!string.IsNullOrEmpty(fieldName))
{
fieldFlag |= CriFieldFlag.Name;
}
if (defaultValue != null)
{
fieldFlag |= CriFieldFlag.DefaultValue;
}
CriTableField field = new CriTableField
{
Flag = fieldFlag,
Name = fieldName,
Value = defaultValue
};
DataStream.WriteByte(destination, (byte)field.Flag);
if (!string.IsNullOrEmpty(fieldName))
{
WriteString(field.Name);
}
if (defaultValue != null)
{
WriteValue(defaultValue);
}
fields.Add(field);
header.FieldCount++;
}
private object ReadValue(CriFieldFlag fieldFlag)
{
switch (fieldFlag & CriFieldFlag.TypeMask)
{
case CriFieldFlag.Byte:
return(DataStream.ReadByte(source));
case CriFieldFlag.SByte:
return(DataStream.ReadSByte(source));
case CriFieldFlag.UInt16:
return(DataStream.ReadUInt16BE(source));
case CriFieldFlag.Int16:
return(DataStream.ReadInt16BE(source));
case CriFieldFlag.UInt32:
return(DataStream.ReadUInt32BE(source));
case CriFieldFlag.Int32:
return(DataStream.ReadInt32BE(source));
case CriFieldFlag.UInt64:
return(DataStream.ReadUInt64BE(source));
case CriFieldFlag.Int64:
return(DataStream.ReadInt64BE(source));
case CriFieldFlag.Single:
return(DataStream.ReadSingleBE(source));
case CriFieldFlag.Double:
return(DataStream.ReadDoubleBE(source));
case CriFieldFlag.String:
return(ReadString());
case CriFieldFlag.Data:
{
uint position = DataStream.ReadUInt32BE(source);
uint length = DataStream.ReadUInt32BE(source);
// Some ACB files have the length info set to zero for UTF table fields, so find the correct length
if (position > 0 && length == 0)
{
source.Seek(headerPosition + header.DataPoolPosition + position, SeekOrigin.Begin);
if (DataStream.ReadBytes(source, 4).SequenceEqual(CriTableHeader.SignatureBytes))
{
length = DataStream.ReadUInt32BE(source) + 8;
}
}
return(new SubStream(source, headerPosition + header.DataPoolPosition + position, length));
}
case CriFieldFlag.Guid:
return(new Guid(DataStream.ReadBytes(source, 16)));
}
return(null);
}
