private void DelimiterCharEvent(char c)
{
switch (state)
{
case DelimitedFieldParserState.InDelimiter:
if (!SqueezeDelimiters)
{
AddField();
}
break;
case DelimitedFieldParserState.InTextData:
AddField();
NewField();
state = DelimitedFieldParserState.InDelimiter;
break;
case DelimitedFieldParserState.InQuotedText:
AppendChar(c);
break;
case DelimitedFieldParserState.InClosingQuotes:
AddField();
NewField();
state = DelimitedFieldParserState.InDelimiter;
break;
default:
throw new InvalidOperationException();
}
}
private void QuoteCharEvent(char c)
{
if (!HasFieldsEnclosedInQuotes)
{
DefaultCharEvent(c);
return;
}
switch (state)
{
case DelimitedFieldParserState.InDelimiter:
state = DelimitedFieldParserState.InQuotedText;
break;
case DelimitedFieldParserState.InTextData:
throw new MalformedLineException("Unexpected quote.", LineNumber);
case DelimitedFieldParserState.InQuotedText:
state = DelimitedFieldParserState.InClosingQuotes;
break;
case DelimitedFieldParserState.InClosingQuotes:
AddField();
NewField();
state = DelimitedFieldParserState.InQuotedText;
break;
default:
throw new InvalidOperationException();
}
}
private void DefaultCharEvent(char c)
{
switch (state)
{
case DelimitedFieldParserState.InDelimiter:
AppendChar(c);
state = DelimitedFieldParserState.InTextData;
break;
case DelimitedFieldParserState.InTextData:
AppendChar(c);
break;
case DelimitedFieldParserState.InQuotedText:
AppendChar(c);
break;
case DelimitedFieldParserState.InClosingQuotes:
throw new MalformedLineException("Expected delimiter not found.", LineNumber);
default:
throw new InvalidOperationException();
}
}
private void Initialize()
{
NewField();
fields.Clear();
state = DelimitedFieldParserState.InDelimiter;
}
