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From Nick Kew <>
Subject Generic expression parser for httpd
Date Wed, 26 Mar 2008 11:45:32 GMT
Back in November, we briefly discussed an expression parser
as a core httpd feature[1].

I've now gone ahead and abstracted the expression parser
from mod_include, as far as I can without breaking
back-compatibility in the optional functions mod_include
exports (with include_ctx_t in their args).  For future
versions (3.0 if not 2.4), I think we should also abstract
out the variable interpolation and standardise that
across everywhere we parse expressions.

Applications for this I currently have in mind include
mod_filter (see PR#43956 - fix it to do what the original
reporter and others wanted), and dynamic configuration
(proposal to follow; looking to the hackathon).

Attached for review:
    Patch to mod_include to use it.

As you'll see, the debug stuff is still there, but I haven't
taken the trouble to make it work.  The updated mod_include
passes everything in the test suite.

Nick Kew

Application Development with Apache - the Apache Modules Book

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