/usr/share/guile/site/texinfo/serialize.scm is in guile-library 0.2.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 | ;; (texinfo serialize) -- rendering stexinfo as texinfo
;; Copyright (C) 2003,2004,2010 Andy Wingo <wingo at pobox dot com>
;; This program is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;;
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;;
;;Serialization of @code{stexi} to plain texinfo.
;;
;;; Code:
(define-module (texinfo serialize)
#:use-module (texinfo)
#:use-module (sxml transform)
#:use-module (scheme documentation)
#:use-module (string wrap)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-13)
#:use-module (compat guile-2)
#:export (stexi->texi))
(define (list-intersperse src-l elem)
(if (null? src-l) src-l
(let loop ((l (cdr src-l)) (dest (cons (car src-l) '())))
(if (null? l) (reverse dest)
(loop (cdr l) (cons (car l) (cons elem dest)))))))
;; converts improper lists to proper lists.
(define (filter* pred l)
(let lp ((in l) (out '()))
(cond ((null? in)
(reverse! out))
((pair? in)
(lp (cdr in) (if (pred (car in)) (cons (car in) out) out)))
(else
(lp '() (if (pred in) (cons in out) out))))))
;; (list* 'a '(b c) 'd '(e f g)) => '(a b c d e f g)
(define (list* . args)
(let* ((args (reverse args))
(tail (car args)))
(let lp ((in (cdr args)) (out tail))
(cond ((null? in) out)
((pair? (car in)) (lp (cdr in) (append (car in) out)))
((null? (car in)) (lp (cdr in) out))
(else (lp (cdr in) (cons (car in) out)))))))
;; Why? Well, because syntax-case defines `include', and carps about its
;; wrong usage below...
(eval-when (eval load compile)
(define (include exp lp command type formals args accum)
(list* "\n"
(list-intersperse
args
" ")
" " command "@" accum)))
(define (empty-command exp lp command type formals args accum)
(list* " " command "@" accum))
(define (inline-text exp lp command type formals args accum)
(if (not (string=? command "*braces*")) ;; fixme :(
(list* "}"
(append-map (lambda (x) (lp x '())) (reverse (cdr exp)))
"{" command "@" accum)
(list* "@}"
(append-map (lambda (x) (lp x '())) (reverse (cdr exp)))
"@{" accum)))
(define (inline-args exp lp command type formals args accum)
(list* "}"
(if (not args) ""
(list-intersperse
(map
(lambda (x)
(cond ((not x) "")
((pair? x)
(if (pair? (cdr x))
(warn "Strange inline-args!" args))
(car x))
(else (error "Invalid inline-args" args))))
(drop-while not
(map (lambda (x) (assq-ref args x))
(reverse formals))))
","))
"{" command "@" accum))
(define (serialize-text-args lp formals args)
(apply
append
(list-intersperse
(map (lambda (arg) (append-map (lambda (x) (lp x '())) arg))
(map
reverse
(drop-while
not (map (lambda (x) (assq-ref args x))
(reverse formals)))))
'(" "))))
(define (eol-text-args exp lp command type formals args accum)
(list* "\n"
(serialize-text-args lp formals args)
" " command "@" accum))
(define (eol-text exp lp command type formals args accum)
(list* "\n"
(append-map (lambda (x) (lp x '()))
(reverse (if args (cddr exp) (cdr exp))))
" " command "@" accum))
(define (eol-args exp lp command type formals args accum)
(list* "\n"
(list-intersperse
(apply append
(drop-while not
(map (lambda (x) (assq-ref args x))
(reverse formals))))
", ")
" " command "@" accum))
(define (environ exp lp command type formals args accum)
(case (car exp)
((texinfo)
(list* "@bye\n"
(append-map (lambda (x) (lp x '())) (reverse (cddr exp)))
"\n@c %**end of header\n\n"
(reverse (assq-ref args 'title)) "@settitle "
(or (and=> (assq-ref args 'filename)
(lambda (filename)
(cons "\n" (reverse (cons "@setfilename " filename)))))
"")
"\\input texinfo @c -*-texinfo-*-\n@c %**start of header\n"
accum))
(else
(list* "\n\n" command "@end "
(let ((body (append-map (lambda (x) (lp x '()))
(reverse (if args (cddr exp) (cdr exp))))))
(if (or (null? body)
(eqv? (string-ref (car body)
(1- (string-length (car body))))
#\newline))
body
(cons "\n" body)))
"\n"
(serialize-text-args lp formals args)
" " command "@" accum))))
(define (table-environ exp lp command type formals args accum)
(list* "\n\n" command "@end "
(append-map (lambda (x) (lp x '()))
(reverse (if args (cddr exp) (cdr exp))))
"\n"
(let* ((arg (if args (cadar args) ""))) ;; zero or one args
(if (pair? arg)
(list (symbol->string (car arg)) "@")
arg))
" " command "@" accum))
(define (wrap strings)
(fill-string (string-concatenate strings)
#:width 72))
(define (paragraph exp lp command type formals args accum)
(list* "\n\n"
(wrap
(reverse
(append-map (lambda (x) (lp x '())) (reverse (cdr exp)))))
accum))
(define (item exp lp command type formals args accum)
(list* (append-map (lambda (x) (lp x '())) (reverse (cdr exp)))
"@item\n"
accum))
(define (entry exp lp command type formals args accum)
(list* (append-map (lambda (x) (lp x '())) (reverse (cddr exp)))
"\n"
(append-map (lambda (x) (lp x '())) (reverse (cdar args)))
"@item "
accum))
(define (fragment exp lp command type formals args accum)
(list* "\n@c %end of fragment\n"
(append-map (lambda (x) (lp x '())) (reverse (cdr exp)))
"\n@c %start of fragment\n\n"
accum))
(define serializers
`((EMPTY-COMMAND . ,empty-command)
(INLINE-TEXT . ,inline-text)
(INLINE-ARGS . ,inline-args)
(EOL-TEXT . ,eol-text)
(EOL-TEXT-ARGS . ,eol-text-args)
(INDEX . ,eol-text-args)
(EOL-ARGS . ,eol-args)
(ENVIRON . ,environ)
(TABLE-ENVIRON . ,table-environ)
(ENTRY . ,entry)
(ITEM . ,item)
(PARAGRAPH . ,paragraph)
(FRAGMENT . ,fragment)
(#f . ,include))) ; support writing include statements
(define (serialize exp lp command type formals args accum)
((or (assq-ref serializers type)
(error "Unknown command type" exp type))
exp lp command type formals args accum))
(define escaped-chars '(#\} #\{ #\@))
(define (escape str)
"Escapes any illegal texinfo characters (currently @{, @}, and @@)."
(let loop ((in (string->list str)) (out '()))
(if (null? in)
(apply string (reverse out))
(if (memq (car in) escaped-chars)
(loop (cdr in) (cons* (car in) #\@ out))
(loop (cdr in) (cons (car in) out))))))
(define (stexi->texi tree)
"Serialize the stexi @var{tree} into plain texinfo."
(string-concatenate-reverse
(let lp ((in tree) (out '()))
(cond
((or (not in) (null? in)) out)
((string? in) (cons (escape in) out))
((pair? in)
(let ((command-spec (assq (car in) texi-command-specs)))
(if (not command-spec)
(begin
(warn "Unknown stexi command, not rendering" in)
out)
(serialize in
lp
(symbol->string (car in))
(cadr command-spec)
(filter* symbol? (cddr command-spec))
(cond
((and (pair? (cdr in)) (pair? (cadr in))
(eq? (caadr in) '%))
(cdadr in))
((not (cadr command-spec))
;; include
(cdr in))
(else
#f))
out))))
(else
(error "Invalid stexi" in))))))
;;; arch-tag: d3fa16ea-0bf7-4ec5-ab9f-3f08490f77f5
|