internal void Reset()
{
textLineCount = 0;
textLineLength = 0;
lineCount = 0;
lineLength = 0;
inLineState = FtLineState.Out;
}
internal LineParser(SerializationCore myCore, CharReader myCharReader)
{
core = myCore;
charReader = myCharReader;
// Reset
textLineCount = 0;
textLineLength = 0;
lineCount = 0;
lineLength = 0;
inLineState = FtLineState.Out;
}
internal void ParseChar(char aChar, bool endOfLineToBeEmbedded, out LineEndedType lineEndedType)
{
switch (inLineState)
{
case FtLineState.InNextTextOut:
Debug.Assert(aChar == LineFeedChar && endOfLineToBeEmbedded, ((int)(InternalError.LineParser_ParseChar_InNextTextOut)).ToString());
inLineState = FtLineState.InTextOut;
lineEndedType = LineEndedType.Not;
break;
case FtLineState.InTextOut:
textLineCount++;
textLineLength = 0;
inLineState = FtLineState.In;
ParseInChar(aChar, endOfLineToBeEmbedded, out lineEndedType);
break;
case FtLineState.In:
ParseInChar(aChar, endOfLineToBeEmbedded, out lineEndedType);
break;
case FtLineState.InPendingNextLineFeed:
Debug.Assert(aChar == LineFeedChar && !endOfLineToBeEmbedded, ((int)(InternalError.LineParser_ParseChar_InPendingNextLineFeed)).ToString());
inLineState = FtLineState.Out;
lineEndedType = LineEndedType.Continued;
break;
case FtLineState.Out:
lineCount++;
lineLength = 0;
textLineCount++;
textLineLength = 0;
inLineState = FtLineState.In;
ParseInChar(aChar, endOfLineToBeEmbedded, out lineEndedType);
break;
default:
throw FtInternalException.Create(InternalError.LineParser_ParseChar_Unsupported_InLineState, inLineState.ToString());
}
lineLength++;
textLineLength++;
}
internal void ExitLine()
{
Debug.Assert(InLine, "LineParser.ExitLine() called when not In Line");
inLineState = FtLineState.Out;
}
private void ParseInChar(char aChar, bool embedEndOfLine, out LineEndedType lineEndedType)
{
switch (core.EndOfLineType)
{
case FtEndOfLineType.Auto:
switch (aChar)
{
case CarriageReturnChar:
if (embedEndOfLine)
{
if (charReader.Peek() == LineFeedChar)
{
inLineState = FtLineState.InNextTextOut;
}
else
{
inLineState = FtLineState.InTextOut;
}
lineEndedType = LineEndedType.Not;
}
else
{
inLineState = (charReader.Peek() == LineFeedChar) ? FtLineState.InPendingNextLineFeed : FtLineState.Out;
lineEndedType = LineEndedType.Initiated;
}
break;
case LineFeedChar:
if (embedEndOfLine)
{
inLineState = FtLineState.InTextOut;
lineEndedType = LineEndedType.Not;
}
else
{
inLineState = FtLineState.Out;
lineEndedType = LineEndedType.Initiated;
}
break;
default:
lineLength++;
textLineLength++;
lineEndedType = LineEndedType.Not;
break;
}
break;
case FtEndOfLineType.CrLf:
if (aChar != CarriageReturnChar)
{
lineEndedType = LineEndedType.Not;
}
else
{
if (embedEndOfLine)
{
if (charReader.Peek() == LineFeedChar)
{
inLineState = FtLineState.InNextTextOut;
}
else
{
inLineState = FtLineState.InTextOut;
}
lineEndedType = LineEndedType.Not;
}
else
{
if (charReader.Peek() != LineFeedChar)
{
lineEndedType = LineEndedType.Not;
}
else
{
inLineState = FtLineState.InPendingNextLineFeed;
lineEndedType = LineEndedType.Initiated;
}
}
}
break;
case FtEndOfLineType.Char:
if (embedEndOfLine)
{
inLineState = FtLineState.InTextOut;
lineEndedType = LineEndedType.Not;
}
else
{
inLineState = FtLineState.Out;
lineEndedType = LineEndedType.Initiated;
}
break;
default:
throw FtInternalException.Create(InternalError.LineParser_ParseInChar_UnsupportedEndOfLineType, core.EndOfLineType.ToString());
}
}
