private ObjTextWriter(string textfile, ObjTextReaderWriterEncodeType encodetype)
{
this.readwritePath = textfile;
var fs = File.Open(textfile, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.Read);
_sw = new StreamWriter(fs, Encoding.UTF8);
int firstchar = fs.ReadByte();
if (firstchar == -1)
{
this._encodeType = encodetype;
fs.WriteByte((byte)encodetype);
}
else
{
this._encodeType = (ObjTextReaderWriterEncodeType)firstchar;
_sw.BaseStream.Position = _sw.BaseStream.Length;
while (true)
{
if (CheckHasEndSpan(_sw.BaseStream))
{
_sw.BaseStream.Position -= 3;
}
else
{
break;
}
}
}
//Flush();
_canReadFromBack = CanReadFormBack;
if (_canReadFromBack)
{
if (PostionLast(_sw.BaseStream))
{
_sw.BaseStream.Position += 6;
}
else
{
_sw.BaseStream.Position = 1;
}
}
}
public static ObjTextWriter CreateWriter(string textfile, ObjTextReaderWriterEncodeType encodetype = ObjTextReaderWriterEncodeType.json)
{
return(new ObjTextWriter(textfile, encodetype));
}
