public void GetWellFormedValues_ShouldBehaveAsExpected(string input, string wellFormed)
{
// General
var terminalLexerFactory = new TerminalLexerFactory();
var alternativeLexerFactory = new AlternativeLexerFactory();
var sequenceLexerFactory = new ConcatenationLexerFactory();
var repetitionLexerFactory = new RepetitionLexerFactory();
// SP
var spaceLexerFactory = new SpaceLexerFactory(terminalLexerFactory);
// HTAB
var horizontalTabLexerFactory = new HorizontalTabLexerFactory(terminalLexerFactory);
// WSP
var whiteSpaceLexerFactory = new WhiteSpaceLexerFactory(
spaceLexerFactory,
horizontalTabLexerFactory,
alternativeLexerFactory);
// CR
var carriageReturnLexerFactory = new CarriageReturnLexerFactory(terminalLexerFactory);
// LF
var lineFeedLexerFactory = new LineFeedLexerFactory(terminalLexerFactory);
// CRLF
var endOfLineLexerFactory = new EndOfLineLexerFactory(
carriageReturnLexerFactory,
lineFeedLexerFactory,
sequenceLexerFactory);
// LWSP
var linearWhiteSpaceLexerFactory = new LinearWhiteSpaceLexerFactory(
whiteSpaceLexerFactory,
endOfLineLexerFactory,
sequenceLexerFactory,
alternativeLexerFactory,
repetitionLexerFactory);
var linearWhiteSpaceLexer = linearWhiteSpaceLexerFactory.Create();
using (var scanner = new TextScanner(new StringTextSource(input)))
{
var result = linearWhiteSpaceLexer.Read(scanner);
Assert.NotNull(result);
Assert.True(result.Success);
Assert.NotNull(result.Element);
Assert.Equal(wellFormed, result.Element.GetWellFormedText());
}
}
public void ReadSuccess(string input)
{
// General
var terminalLexerFactory = new TerminalLexerFactory();
var alternativeLexerFactory = new AlternativeLexerFactory();
var sequenceLexerFactory = new ConcatenationLexerFactory();
var repetitionLexerFactory = new RepetitionLexerFactory();
// SP
var spaceLexerFactory = new SpaceLexerFactory(terminalLexerFactory);
// HTAB
var horizontalTabLexerFactory = new HorizontalTabLexerFactory(terminalLexerFactory);
// WSP
var whiteSpaceLexerFactory = new WhiteSpaceLexerFactory(
spaceLexerFactory,
horizontalTabLexerFactory,
alternativeLexerFactory);
// CR
var carriageReturnLexerFactory = new CarriageReturnLexerFactory(terminalLexerFactory);
// LF
var lineFeedLexerFactory = new LineFeedLexerFactory(terminalLexerFactory);
// CRLF
var endOfLineLexerFactory = new EndOfLineLexerFactory(
carriageReturnLexerFactory,
lineFeedLexerFactory,
sequenceLexerFactory);
// LWSP
var linearWhiteSpaceLexerFactory = new LinearWhiteSpaceLexerFactory(
whiteSpaceLexerFactory,
endOfLineLexerFactory,
sequenceLexerFactory,
alternativeLexerFactory,
repetitionLexerFactory);
var linearWhiteSpaceLexer = linearWhiteSpaceLexerFactory.Create();
using (var scanner = new TextScanner(new StringTextSource(input)))
{
var result = linearWhiteSpaceLexer.Read(scanner);
Assert.NotNull(result);
Assert.True(result.Success);
Assert.NotNull(result.Element);
Assert.Equal(input, result.Element.Text);
}
}
public ILexer <RequiredDelimitedList> Create(ILexer <Element> lexer)
{
var delim = TerminalLexerFactory.Create(@",", StringComparer.Ordinal);
var ows = OptionalWhiteSpaceLexerFactory.Create();
var innerLexer =
ConcatenationLexerFactory.Create(
RepetitionLexerFactory.Create(ConcatenationLexerFactory.Create(delim, ows), 0, int.MaxValue),
lexer,
RepetitionLexerFactory.Create(
ConcatenationLexerFactory.Create(
ows,
delim,
OptionLexerFactory.Create(ConcatenationLexerFactory.Create(ows, lexer))),
0,
int.MaxValue));
return(new RequiredDelimitedListLexer(innerLexer));
}