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;*=====================================================================*/
;* serrano/prgm/project/skribe/src/bigloo/parseargs.scm */
;* ------------------------------------------------------------- */
;* Author : Manuel Serrano */
;* Creation : Tue Jul 22 16:52:53 2003 */
;* Last change : Wed Nov 10 10:57:40 2004 (serrano) */
;* Copyright : 2003-04 Manuel Serrano */
;* ------------------------------------------------------------- */
;* Argument parsing */
;*=====================================================================*/
;*---------------------------------------------------------------------*/
;* The module */
;*---------------------------------------------------------------------*/
(module skribe_parse-args
(include "debug.sch")
(import skribe_configure
skribe_param
skribe_read
skribe_types
skribe_eval)
(export (parse-env-variables)
(parse-args ::pair)
(load-rc)))
;*---------------------------------------------------------------------*/
;* parse-env-variables ... */
;*---------------------------------------------------------------------*/
(define (parse-env-variables)
(let ((e (getenv "SKRIBEPATH")))
(if (string? e)
(skribe-path-set! (append (unix-path->list e) (skribe-path))))))
;*---------------------------------------------------------------------*/
;* parse-args ... */
;*---------------------------------------------------------------------*/
(define (parse-args args)
(define (usage args-parse-usage)
(print "usage: skribe [options] [input]")
(newline)
(args-parse-usage #f)
(newline)
(print "Rc file:")
(newline)
(print " *skribe-rc* (searched in \".\" then $HOME)")
(newline)
(print "Target formats:")
(for-each (lambda (f) (print " - " (car f))) *skribe-auto-mode-alist*)
(newline)
(print "Shell Variables:")
(newline)
(for-each (lambda (var)
(print " - " (car var) " " (cdr var)))
'(("SKRIBEPATH" . "Skribe input path (all files)"))))
(define (version)
(print "skribe v" (skribe-release)))
(define (query)
(version)
(newline)
(for-each (lambda (x)
(let ((s (keyword->string (car x))))
(printf " ~a: ~a\n"
(substring s 1 (string-length s))
(cadr x))))
(skribe-configure)))
(let ((np '())
(engine #f))
(args-parse (cdr args)
((("-h" "--help") (help "This message"))
(usage args-parse-usage)
(exit 0))
(("--options" (help "Display the skribe options and exit"))
(args-parse-usage #t)
(exit 0))
(("--version" (help "The version of Skribe"))
(version)
(exit 0))
((("-q" "--query") (help "Display informations about the Skribe configuration"))
(query)
(exit 0))
((("-c" "--custom") ?key=val (synopsis "Preset custom value"))
(let ((l (string-length key=val)))
(let loop ((i 0))
(cond
((= i l)
(skribe-error 'skribe "Illegal option" key=val))
((char=? (string-ref key=val i) #\=)
(let ((key (substring key=val 0 i))
(val (substring key=val (+ i 1) l)))
(set! *skribe-precustom*
(cons (cons (string->symbol key) val)
*skribe-precustom*))))
(else
(loop (+ i 1)))))))
(("-v?level" (help "Increase or set verbosity level (-v0 for crystal silence)"))
(if (string=? level "")
(set! *skribe-verbose* (+fx 1 *skribe-verbose*))
(set! *skribe-verbose* (string->integer level))))
(("-w?level" (help "Increase or set warning level (-w0 for crystal silence)"))
(if (string=? level "")
(set! *skribe-warning* (+fx 1 *skribe-warning*))
(set! *skribe-warning* (string->integer level))))
(("-g?level" (help "Increase or set debug level"))
(if (string=? level "")
(set! *skribe-debug* (+fx 1 *skribe-debug*))
(let ((l (string->integer level)))
(if (= l 0)
(begin
(set! *skribe-debug* 1)
(set! *skribe-debug-symbols*
(cons (string->symbol level)
*skribe-debug-symbols*)))
(set! *skribe-debug* l)))))
(("--no-color" (help "Disable coloring for debug"))
(set! *skribe-debug-color* #f))
((("-t" "--target") ?e (help "The output target format"))
(set! engine (string->symbol e)))
(("-I" ?path (help "Add <path> to skribe path"))
(set! np (cons path np)))
(("-B" ?path (help "Add <path> to skribe bibliography path"))
(skribe-bib-path-set! (cons path (skribe-bib-path))))
(("-S" ?path (help "Add <path> to skribe source path"))
(skribe-source-path-set! (cons path (skribe-source-path))))
(("-P" ?path (help "Add <path> to skribe image path"))
(skribe-image-path-set! (cons path (skribe-image-path))))
((("-C" "--split-chapter") ?chapter (help "Emit chapter's sections in separate files"))
(set! *skribe-chapter-split* (cons chapter *skribe-chapter-split*)))
(("--eval" ?expr (help "Evaluate expression"))
(with-input-from-string expr
(lambda ()
(eval (skribe-read)))))
(("--no-init-file" (help "Dont load rc Skribe file"))
(set! *load-rc* #f))
((("-p" "--preload") ?file (help "Preload file"))
(set! *skribe-preload* (cons file *skribe-preload*)))
((("-u" "--use-variant") ?variant (help "use <variant> output format"))
(set! *skribe-variants* (cons variant *skribe-variants*)))
((("-o" "--output") ?o (help "The output target name"))
(set! *skribe-dest* o)
(let* ((s (suffix o))
(c (assoc s *skribe-auto-mode-alist*)))
(if (and (pair? c) (symbol? (cdr c)))
(set! *skribe-engine* (cdr c)))))
((("-b" "--base") ?base (help "The base prefix to be removed from hyperlinks"))
(set! *skribe-ref-base* base))
;; skribe rc directory
((("-d" "--rc-dir") ?dir (synopsis "Set the skribe RC directory"))
(set! *skribe-rc-directory* dir))
(else
(set! *skribe-src* (cons else *skribe-src*))))
;; we have to configure according to the environment variables
(if engine (set! *skribe-engine* engine))
(set! *skribe-src* (reverse! *skribe-src*))
(skribe-path-set! (append (build-path-from-shell-variable "SKRIBEPATH")
(reverse! np)
(skribe-path)))))
;*---------------------------------------------------------------------*/
;* build-path-from-shell-variable ... */
;*---------------------------------------------------------------------*/
(define (build-path-from-shell-variable var)
(let ((val (getenv var)))
(if (string? val)
(string-case val
((+ (out #\:))
(let* ((str (the-string))
(res (ignore)))
(cons str res)))
(#\:
(ignore))
(else
'()))
'())))
;*---------------------------------------------------------------------*/
;* load-rc ... */
;*---------------------------------------------------------------------*/
(define (load-rc)
(if *load-rc*
(let ((file (make-file-name *skribe-rc-directory* *skribe-rc-file*)))
(if (and (string? file) (file-exists? file))
(loadq file)))))
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