In CSS, a selector is (roughly) a sequence of simple selectors joined by a
combinator. http://www.antlr.org/grammar/1240941192304/css21.g has the
following rules which correspond to this.
combinator
: PLUS
| GREATER
|
;
selector
: simpleSelector (combinator simpleSelector)*
;
The issue I'm having is how to handle the combinator which is a space in the
selector rule. Specifically, I should be able to parse
A .b
as two simple selectors: A and .b. However, since whitespace is ignored, this
is getting parsed as one selector. The following parses as desired:
A *.b
Using the universal selector as part of the second simple selector is a
workaround that I shouldn't have to employ.
How can I parse "A<space>.b" such that the space is recognized as a combinator?
Thanks in advance for any help!
David Grieve
Sun Microsystems, Inc.
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