public void SupportsOptionalRegexOptions()
{
var regex = new TokenRegex(@"[a-z]+", RegexOptions.IgnoreCase);
regex.Match("123aBc0", 0).Success.ShouldBeFalse();
regex.Match("123aBc0", 3).Success.ShouldBeTrue();
regex.Match("123aBc0", 3).Value.ShouldBe("aBc");
regex.Match("123aBc0", 4).Success.ShouldBeTrue();
regex.Match("123aBc0", 4).Value.ShouldBe("Bc");
}
public void CanMatchRegexStartingFromGivenCharacterPosition()
{
var regex = new TokenRegex(@"[a-z]+");
regex.Match("123abc0", 0).Success.ShouldBeFalse();
regex.Match("123abc0", 3).Success.ShouldBeTrue();
regex.Match("123abc0", 3).Value.ShouldBe("abc");
regex.Match("123abc0", 4).Success.ShouldBeTrue();
regex.Match("123abc0", 4).Value.ShouldBe("bc");
}
public void SupportsOptionalRegexOptions()
{
var regex = new TokenRegex(@"[a-z]+", RegexOptions.IgnoreCase);
regex.Match("123aBc0", 0).Success.ShouldBeFalse();
regex.Match("123aBc0", 3).Success.ShouldBeTrue();
regex.Match("123aBc0", 3).Value.ShouldBe("aBc");
regex.Match("123aBc0", 4).Success.ShouldBeTrue();
regex.Match("123aBc0", 4).Value.ShouldBe("Bc");
}
public void CanMatchMultilineAndCommentedRegexes()
{
var regex = new TokenRegex(
@" [a-z]+ # Just Lower
| [A-Z]+ # Just Upper
| [0-9]+ # Just Digit");
regex.Match("123Abc", 1).Value.ShouldBe("23");
regex.Match("$23ab!", 0).Success.ShouldBeFalse();
regex.Match("$23ab!", 1).Value.ShouldBe("23");
regex.Match("$23ab!", 3).Value.ShouldBe("ab");
}
public void CanMatchRegexStartingFromGivenCharacterPosition()
{
var regex = new TokenRegex(@"[a-z]+");
regex.Match("123abc0", 0).Success.ShouldBeFalse();
regex.Match("123abc0", 3).Success.ShouldBeTrue();
regex.Match("123abc0", 3).Value.ShouldBe("abc");
regex.Match("123abc0", 4).Success.ShouldBeTrue();
regex.Match("123abc0", 4).Value.ShouldBe("bc");
}
public void CanMatchMultilineAndCommentedRegexes()
{
var regex = new TokenRegex(
@" [a-z]+ # Just Lower
| [A-Z]+ # Just Upper
| [0-9]+ # Just Digit");
regex.Match("123Abc", 1).Value.ShouldBe("23");
regex.Match("$23ab!", 0).Success.ShouldBeFalse();
regex.Match("$23ab!", 1).Value.ShouldBe("23");
regex.Match("$23ab!", 3).Value.ShouldBe("ab");
}
public Match NextToken()
{
var match = TokenRegex.Match(Text, Index);
Index = match.Index + match.Length;
return(match);
}
protected Match GetMatch(TextBuffer textBuffer)
{
Match match = TokenRegex.Match(textBuffer.Remainder);
if (match.Success)
{
textBuffer.MoveForward(match.Value.Length);
return(match);
}
else
{
return(null);
}
}
public virtual void Parse(string code)
{
var match = TokenRegex.Match(code);
if (!match.Success)
{
//Console.WriteLine($"|{TokenRegex}| ({code})");
//TODO logging
return;
}
Value = match.Value;
Groups = match.Groups.Cast <Group>().ToList();
ValueType = "string";
}