private MultilineString FetchMultipleLines()
{
var stringBuilder = new StringBuilder();
var startLineIndex = _lineIndex + 1;
int?endLineIndex = null;
while (FetchLine())
{
endLineIndex = _lineIndex;
var multilineMatch = _line.MatchAgainst(ParsingHelper.MultiLineRegex);
if (!multilineMatch.Success)
{
_skipFetchOnce = true;
break;
}
var value = multilineMatch.GetSucceededGroupValue(ParsingHelper.ValueGroupName);
stringBuilder.Append(value);
}
return(endLineIndex.HasValue
? new MultilineString(
stringBuilder.ToString(),
ValueRange.Create(startLineIndex, endLineIndex.Value))
: new MultilineString(null, ValueRange.Create(startLineIndex, startLineIndex)));
}
public void Initialize()
{
var upperCaseValueRangeLexer = ValueRange.Create('\x41', '\x5A');
var lowerCaseValueRangeLexer = ValueRange.Create('\x61', '\x7A');
InnerLexer = Alternation.Create(upperCaseValueRangeLexer, lowerCaseValueRangeLexer);
}
public override ILexer <CommentText> Create()
{
var innerLexer = Alternation.Create(
HorizontalTabLexerFactory.Create(),
SpaceLexerFactory.Create(),
ValueRange.Create(0x21, 0x27, Encoding.UTF8),
ValueRange.Create(0x2A, 0x5B, Encoding.UTF8),
ValueRange.Create(0x5D, 0x7E, Encoding.UTF8),
ObsoleteTextLexerFactory.Create());
return(new CommentTextLexer(innerLexer));
}
public override ILexer <QuotedText> Create()
{
var innerLexer = Alternation.Create(
HorizontalTabLexerFactory.Create(),
SpaceLexerFactory.Create(),
Terminal.Create(@"!", StringComparer.Ordinal),
ValueRange.Create(0x23, 0x5B, Encoding.UTF8),
ValueRange.Create(0x5D, 0x7E, Encoding.UTF8),
ObsoleteTextLexerFactory.Create());
return(new QuotedTextLexer(innerLexer));
}
public override ILexer <DecimalOctet> Create()
{
// %x30-35
var a = ValueRange.Create('\x30', '\x35');
// "25"
var b = Terminal.Create("25", StringComparer.Ordinal);
// "25" %x30-35
var c = Concatenation.Create(b, a);
// DIGIT
// %x30-34
var e = ValueRange.Create('\x30', '\x34');
// "2"
var f = Terminal.Create("2", StringComparer.Ordinal);
// "2" %x30-34 DIGIT
var digitLexer = DigitLexerFactory.Create();
var g = Concatenation.Create(f, e, digitLexer);
// 2DIGIT
var h = Repetition.Create(digitLexer, 2, 2);
// "1"
var i = Terminal.Create("1", StringComparer.Ordinal);
// "1" 2DIGIT
var j = Concatenation.Create(i, h);
// %x31-39
var k = ValueRange.Create('\x31', '\x39');
// %x31-39 DIGIT
var l = Concatenation.Create(k, digitLexer);
// "25" %x30-35 / "2" %x30-34 DIGIT / "1" 2DIGIT / %x31-39 DIGIT / DIGIT
var m = Alternation.Create(c, g, j, l, digitLexer);
// dec-octet
return(new DecimalOctetLexer(m));
}
public void Initialize()
{
InnerLexer = ValueRange.Create('\x21', '\x7E');
}
public override ILexer <ObsoleteText> Create()
{
var innerLexer = ValueRange.Create(0x80, 0xFF, Encoding.UTF8);
return(new ObsoleteTextLexer(innerLexer));
}
public void Initialize()
{
InnerLexer = Alternation.Create(
ValueRange.Create('\x00', '\x1F'),
Terminal.Create("\x7F", StringComparer.Ordinal));
}
public void Initialize()
{
InnerLexer = ValueRange.Create('\x30', '\x39');
}
