private static IParser <SqlExpression> Surrounded(IParser <TextSpan> mark)
{
var doubleQuotation = Parse.Seq(mark, mark).Merge();
var notMark = mark.Not().ThenRight(Parse.AnyChars(1));
return(from start1 in mark
from body1 in Parse.Any(doubleQuotation, notMark).Many()
from end1 in mark
select new SqlExpression()
{
TextSpan = body1.Length == 0 ?
new[] { start1, end1 }.GetTextSpan() :
new[] { start1, body1, end1 }.GetTextSpan()
});
}
public void Any()
{
GivenText("b");
WhenParse(Parse.Any(Parse.Equal("a"), Parse.Equal("b")));
ThenResultShouldBe("b");
}
public static IParser <T> GroupOptional <T>(this IParser <T> p)
{
return(Parse.Any(p.Group(), p));
}
