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-rw-r--r--examples/uri.rl31
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-%%{
- machine uri;
-
- action scheme {}
- action loc {}
- action item {}
- action query {}
- action last {}
- action nothing {}
-
- main :=
- # Scheme machine. This is ambiguous with the item machine. We commit
- # to the scheme machine on colon.
- ( [^:/?#]+ ':' @(colon,1) @scheme )?
-
- # Location machine. This is ambiguous with the item machine. We remain
- # ambiguous until a second slash, at that point and all points after
- # we place a higher priority on staying in the location machine over
- # moving into the item machine.
- ( ( '/' ( '/' [^/?#]* ) $(loc,1) ) %loc %/loc )?
-
- # Item machine. Ambiguous with both scheme and location, which both
- # get a higher priority on the characters causing ambiguity.
- ( ( [^?#]+ ) $(loc,0) $(colon,0) %item %/item )?
-
- # Last two components, the characters that initiate these machines are
- # not supported in any previous components, therefore there are no
- # ambiguities introduced by these parts.
- ( '?' [^#]* %query %/query)?
- ( '#' any* %/last )?;
-}%%