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Parameterize RMAN-HANDLER over locations of the various binaries.

This commit is contained in:
sperber 2003-01-07 14:38:02 +00:00
parent 7f5219220b
commit 978f28680e
1 changed files with 40 additions and 35 deletions
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75
scheme/httpd/rman-gateway.scm
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@ -2,24 +2,18 @@
;;; This file is part of the Scheme Untergrund Networking package.
;;; Copyright (c) 1996 by Mike Sperber.
;;; Copyright (c) 1996-2003 by Mike Sperber.
;;; For copyright information, see the file COPYING which comes with
;;; the distribution.
;;; This uses RosettaMan and is currently based on version 2.5a6
;;; (RosettaMan is based at
;;; ftp.cs.berkeley.edu:/ucb/people/phelps/tcltk/rman.tar.Z)
;;; This uses RosettaMan
;;; (based at ftp.cs.berkeley.edu:/ucb/people/phelps/tcltk/rman.tar.Z)
;(define rman/rman '("/afs/wsi/rs_aix41/bin/rman" -fHTML))
(define rman/man '(man))
(define rman/nroff '(nroff -man))
;(define rman/gzcat '("/afs/wsi/rs_aix41/bin/zcat"))
;(define rman/zcat '("/afs/wsi/rs_aix41/bin/zcat"))
(define rman/rman '("/usr/bin/rman" -fHTML))
(define rman/gzcat '("/usr/bin/zcat"))
(define rman/zcat '("/usr/bin/zcat"))
(define (rman-handler finder referencer address . maybe-man)
(define (rman-handler man-binary
nroff-binary
rman-binary
gzcat-binary
finder referencer address . maybe-man)
(let ((parse-man-url
(cond
((procedure? finder) finder)
@ -64,7 +58,9 @@
(lambda (out options)
(receive (man-path entry and-then)
(parse-man-url (request-url req))
(emit-man-page entry man man-path and-then reference-template out))
(emit-man-page man-binary nroff-binary rman-binary
gzcat-binary
entry man man-path and-then reference-template out))
(with-tag out address ()
(display address out)))))))
@ -84,21 +80,26 @@
(copy-inport->outport (current-input-port)
out)))))
(define (emit-man-page entry man man-path and-then reference-template out)
(define (emit-man-page man-binary nroff-binary rman-binary
gzcat-binary
entry man man-path and-then reference-template out)
(receive (key section) (parse-man-entry entry)
(let ((status
(cond
((procedure? and-then)
(run (| (begin (man section key man-path))
(run (| (begin (man man-binary nroff-binary gzcat-binary
section key man-path))
(begin (and-then key section)))
(= 1 ,out)
(= 2 ,out)))
(else
(run (| (begin (man section key man-path))
(,@rman/rman ,@and-then
-r ,(reference-template entry section)))
(= 1 ,out)
(= 2 ,out))))))
(= 1 ,out)
(= 2 ,out)))
(else
(run (| (begin (man man-binary nroff-binary gzcat-binary
section key man-path))
(,rman-binary "-fHTML"
,@and-then
"-r" ,(reference-template entry section)))
(= 1 ,out)
(= 2 ,out))))))
(if (not (zero? status))
(error "internal error emitting man page")))))
@ -113,15 +114,19 @@
(match:substring match 2))))
(else (values s #f))))))
(define (man section key man-path)
(define (man man-binary nroff-binary gzcat-binary section key man-path)
(cond
((procedure? man-path) (man-path))
((find-man-file key section "cat" man-path) => cat-n-decode)
((find-man-file key section "man" man-path) => nroff-n-decode)
((find-man-file key section "cat" man-path) =>
(lambda (file)
(cat-n-decode gzcat-binary file)))
((find-man-file key section "man" man-path) =>
(lambda (file)
(nroff-n-decode nroff-binary file)))
(else
(if (not (zero?
(with-env (("MANPATH" . ,(string-join man-path ":")))
(run (,@rman/man ,@(if section `(,section) '()) ,key)
(run (,man-binary "-man" ,@(if section `(,section) '()) ,key)
stdports))))
(http-error http-status/not-found #f "man page not found")))))
@ -166,20 +171,20 @@
(split-file-name
(file-name-directory file)))))))
(define (cat-n-decode file)
(define (cat-n-decode gzcat-binary file)
(let ((ext (file-name-extension file)))
(cond
((string=? ".gz" ext) (run (,@rman/gzcat ,file) stdports))
((string=? ".Z" ext) (run (,@rman/zcat ,file) stdports))
((string=? ".gz" ext) (run (,gzcat-binary ,file) stdports))
((string=? ".Z" ext) (run (,gzcat-binary ,file) stdports))
(else (call-with-input-file
file
(lambda (port)
(copy-inport->outport port (current-output-port))))))))
(define (nroff-n-decode file)
(if (not (zero? (run (| (begin (cat-n-decode file))
(define (nroff-n-decode nroff-binary gzcat-binary file)
(if (not (zero? (run (| (begin (cat-n-decode gzcat-binary file))
(begin
(with-cwd (file->man-directory file)
(exec-epf (,@rman/nroff)))))
(exec-epf (,nroff-binary "-man")))))
stdports)))
(http-error http-status/not-found #f "man page not found")))