protected override UnitError DecodeLine(string line, ref int position, Func <char, bool> isIgnoreSymbol)
{
UnitError error = null;
var savePosition = position;
var valueSymbolPosition = 0;
var ignoreCase = DecodeLineIgnoreCaseSymbols;
if (_count != 0)
{
for (; position < line.Length; position++)
{
var symbolLine = line[position];
if (symbolLine.EqualsIgnoreCase(_symbols[valueSymbolPosition], ignoreCase))
{
++valueSymbolPosition;
}
else
{
var isError = !(valueSymbolPosition == 0 && isIgnoreSymbol(symbolLine));
if (isError)
{
break;
}
}
if (valueSymbolPosition == _count)
{
position++;
break;
}
}
}
if (valueSymbolPosition != _count)
{
error = CreateError(line, position, this, valueSymbolPosition);
position = savePosition;
}
return(error);
}
public bool DecodeEndLine(string line, int position, out UnitError error)
{
error = null;
if (!string.IsNullOrEmpty(line))
{
for (var i = position; i < line.Length; i++)
{
var symbol = line[i];
if (!_ignoreSymbols.IsIgnoreSymbol(symbol))
{
error = CreateError(line, i, null, -1);
break;
}
}
}
return(error == null);
}
protected override UnitError DecodeLine(string line, ref int position, Func <char, bool> isIgnoreSymbol)
{
UnitError oldError = null;
var savePosition = position;
_selectedIndex = -1;
var units = Units;
for (var i = 0; i < units.Count; i++)
{
var unit = units[i];
unit.InitializeDecodeLine();
UnitError error;
if (unit.DecodeLine(line, ref position, out error))
{
_selectedIndex = i;
break;
}
position = savePosition;
if (oldError == null)
{
oldError = error;
}
else
{
if (oldError.PositionInLine == error.PositionInLine)
{
oldError = CreateError(oldError.Line, oldError.PositionInLine, null, -1);
}
else if (oldError.PositionInLine < error.PositionInLine)
{
oldError = error;
}
}
}
return(_selectedIndex != -1 ? null : oldError);
}
protected override UnitError DecodeLine(string line, ref int position, Func <char, bool> isIgnoreSymbol)
{
UnitError error;
UnitError oldError = null;
while (true)
{
var isExit = true;
foreach (var unit in _units)
{
if ((position == line.Length) || ((position + 1) == line.Length))
{
break;
}
if (unit.DecodeLine(line, ref position, out error))
{
if (unit.IsDead)
{
oldError = CreateError(line, position - GetLength(unit), unit.Unit, 0);
}
else
{
if (_isNoNextUnit)
{
oldError = null;
}
unit.Ageing();
if ((position + 1) != line.Length)
{
isExit = false;
}
}
break;
}
if (_isNoNextUnit && unit.IsAlive)
{
if (error.Unit == null || !error.Unit.IgnoreSymbols.IsIgnoreSymbol(error.Line[error.PositionInLine]))
{
if (oldError == null || oldError.PositionInLine < error.PositionInLine)
{
oldError = error;
}
else
{
if (oldError.Unit != null && oldError.PositionInLine == error.PositionInLine)
{
oldError = new UnitError(error.Line, error.PositionInLine);
}
}
}
}
}
if (isExit)
{
error = null;
break;
}
}
if (oldError != null)
{
error = oldError;
}
return(error);
}
public bool DecodeLine(string line, ref int position, out UnitError error)
{
error = line == null?CreateError(null, position, this, 0) : DecodeLine(line, ref position, _ignoreSymbols.IsIgnoreSymbol);
return(error == null);
}