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|
;;;
;;; extract - filter bilingual texinfo document
;;;
;;; Copyright(C) 2001-2003 by Shiro Kawai (shiro@acm.org)
;;;
;;; Permission to use, copy, modify, distribute this software and
;;; accompanying documentation for any purpose is hereby granted,
;;; provided that existing copyright notices are retained in all
;;; copies and that this notice is included verbatim in all
;;; distributions.
;;; This software is provided as is, without express or implied
;;; warranty. In no circumstances the author(s) shall be liable
;;; for any damages arising out of the use of this software.
;;;
;;; $Id: extract,v 1.16 2006/04/07 11:29:48 shirok Exp $
;;;
(use gauche.regexp)
(use gauche.parseopt)
(use gauche.charconv)
(use srfi-13)
(define *outfile* #f)
(define *lang* 'en)
(define *version*
(string-trim-both (call-with-input-file "../VERSION" port->string)))
(define *node-table* '())
(define *header-table* '())
(define (scan-nodes)
(let ((current-node #f)
(current-header #f))
(port-for-each
(lambda (line)
(rxmatch-case line
(#/^@node\s+([^,]+)/ (#f node)
(set! current-node (string-trim-right node)))
(#/^@(chapter|(sub)*section|appendix\w*)\s+(.*)/ (#f #f #f header)
(set! current-header (string-trim-right header)))
(#/^@c NODE\s+([^,]*)(,(.*))?/ (#f jnode #f jheader)
(let* ((jn (string-trim-right jnode))
(jh (if jheader (string-trim-both jheader) jn)))
(push! *node-table* (cons current-node jn))
(push! *header-table* (cons current-header jh))))
(#/^@include\s+(\S+)/ (#f file)
(with-input-from-file file (cut scan-nodes) :encoding 'utf8))
))
read-line)))
(define (filter pattern-in pattern-out)
(define (in line)
(rxmatch-case line
(test eof-object?)
(pattern-in () (in (read-line)))
(pattern-out () (out (read-line)))
(#/^@include\s+(\S+)/ (#f file)
(with-input-from-file file (cut filter pattern-in pattern-out)
:encoding 'utf8)
(in (read-line)))
(#/^@c COMMON$/ () (in (read-line)))
(test (lambda _ (eq? *lang* 'en))
(display (regexp-replace-all #/@VERSION@/ line *version*))
(newline) (in (read-line)))
(#/^@node\s+(.*)$/ (#f nodedesc)
(process-node nodedesc) (in (read-line)))
(#/^@(chapter|(sub)*section|appendix\w*)\s+(.*)/ (#f cmd #f header)
(process-header cmd header) (in (read-line)))
(#/^\* ([^:]+)::(.*)?/ (#f node desc)
(process-menu node #f desc) (in (read-line)))
(#/^\* ([^:]+):\s+([^)]+\))\.(.*)?/ (#f tag node desc)
(process-menu node tag desc) (in (read-line)))
(else (display
(regexp-replace-all #/@VERSION@/
(regexp-replace-all #/(@x?ref)\{([^\}]+)\}/ line process-ref)
*version*))
(newline)
(in (read-line)))))
(define (out line)
(rxmatch-case line
(test eof-object?)
(pattern-in () (in (read-line)))
(#/^@c COMMON$/ () (in (read-line)))
(else (out (read-line)))))
(in (read-line)))
(define (process-node nodedesc)
(display "@node ")
(display
(string-join
(map (lambda (name)
(cond ((assoc (string-trim-both name) *node-table*) => cdr)
(else name)))
(string-split nodedesc #\,))
", "))
(newline))
(define (process-header cmd header)
(format #t "@~a ~a\n"
cmd
(cond ((assoc (string-trim-both header) *header-table*) => cdr)
(else header))))
(define (process-menu node tag desc)
(if tag
(format #t "* ~a: ~a. ~a\n"
tag
(cond ((assoc (string-trim-both node) *node-table*) => cdr)
(else node))
(string-trim-both (or desc "")))
(format #t "* ~a:: ~a\n"
(cond ((assoc (string-trim-both node) *node-table*) => cdr)
(else node))
(string-trim-both (or desc "")))))
(define (process-ref match)
(let ((cmd (rxmatch-substring match 1))
(node (rxmatch-substring match 2)))
(format #f "~a{~a}"
cmd
(cond ((assoc (string-trim-both node) *node-table*) => cdr)
(else node)))))
(define (usage)
(display "Usage: extract [-en|-jp][-o outfile] infile\n")
(exit 1))
(define (main args)
(let ((a (parse-options (cdr args)
(("o=s" (outfile) (set! *outfile* outfile))
("en" () (set! *lang* 'en))
("jp" () (set! *lang* 'jp))
(else _ (usage))))))
(define (do-it)
(case *lang*
((en) (filter #/^@c EN$/ #/^@c JP$/))
((jp) (filter #/^@c JP$/ #/^@c EN$/))))
(define outenc (if (eq? *lang* 'jp) 'utf8 'utf8))
(unless (= (length a) 1) (usage))
(when (eq? *lang* 'jp)
(with-input-from-file (car a) scan-nodes :encoding 'utf8))
(with-input-from-file (car a)
(lambda ()
(if *outfile*
(with-output-to-file *outfile* do-it :encoding outenc)
(let1 out (open-output-conversion-port
(current-output-port) outenc)
(with-output-to-port out do-it)
(close-output-port out))))
:encoding 'utf8)
0))
;; Local variables:
;; mode: Scheme
;; end:
|
