Open source machine readable grammar for HTTP/1.1? [closed]

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Is there an open source mach开发者_开发技巧ine-readable grammar for HTTP/1.1 requests and responses? Specifically, i'm looking for a grammar that is accepted by one of the popular parser generators (e.g., ANTLR, CUP, BNFC, ...).

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You can try Mongrel's grammar that uses ragel. It's regular and therefore faster.

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There's improved (i.e., more exact, less idiomatic, and "pure") ABNF in HTTPbis; see the drafts linked from http://tools.ietf.org/wg/httpbis/ or collected at http://greenbytes.de/tech/webdav/httpbis.abnf