public static HexFileLine Parse(string line)
{
if (!line.StartsWith(":")) throw new ArgumentException();
var pointer = 1;
var cnt = ReadHexByte(ref line, ref pointer);
var addr = ReadHexUShort(ref line, ref pointer);
var type = (HexFileLineType)ReadHexByte(ref line, ref pointer);
var array = new byte[cnt];
for (var i = 0; i < cnt; i++) {
array[i] = ReadHexByte(ref line, ref pointer);
}
var checksum = ReadHexByte(ref line, ref pointer);
var res = new HexFileLine {
Address = addr,
Data = array,
Type = type
};
if (res.Checksum != checksum) {
throw new Exception("checksum mismatch");
}
return res;
}
private void EnsureLine(int adr)
{
_line = _hf.Lines.FirstOrDefault(item => item.Type == HexFileLineType.Data && (item.Address >> 4) == (adr >> 4));
if (_line == null) {
_line = new HexFileLine {
Address = (ushort) _offset,
Type = HexFileLineType.Data,
Data = new byte[0]
};
_newLine = true;
} else {
_newLine = false;
}
_currentData = new List<byte>(_line.Data);
}
public void WriteTo(HexFile hexFile)
{
var lines = (Content.Count + 15) / 16;
for (var i = 0; i < lines; i++) {
var adr = i * 16;
var line = new HexFileLine {
Address = (ushort)adr,
Type = HexFileLineType.Data,
Data = Content.Skip(adr).Take(16).ToArray()
};
hexFile.Lines.Add(line);
}
}
private void FlushLine()
{
if (_line != null && _newLine && _currentData.Count > 0) {
_line.Data = _currentData.ToArray();
_hf.Lines.Add(_line);
_line = null;
_newLine = false;
}
}
