1 ;;;; This file is part of LilyPond, the GNU music typesetter.
3 ;;;; Copyright (C) 2000--2010 Han-Wen Nienhuys <hanwen@xs4all.nl>
4 ;;;; Jan Nieuwenhuizen <janneke@gnu.org>
6 ;;;; LilyPond is free software: you can redistribute it and/or modify
7 ;;;; it under the terms of the GNU General Public License as published by
8 ;;;; the Free Software Foundation, either version 3 of the License, or
9 ;;;; (at your option) any later version.
11 ;;;; LilyPond is distributed in the hope that it will be useful,
12 ;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
13 ;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 ;;;; GNU General Public License for more details.
16 ;;;; You should have received a copy of the GNU General Public License
17 ;;;; along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
19 (define (engraver-makes-grob? name-symbol grav)
20 (memq name-symbol (assoc 'grobs-created (ly:translator-description grav))))
22 (define (engraver-accepts-music-type? name-symbol grav)
23 (memq name-symbol (assoc 'events-accepted (ly:translator-description grav))))
25 (define (engraver-accepts-music-types? types grav)
29 (engraver-accepts-music-type? (car types) grav)
30 (engraver-accepts-music-types? (cdr types) grav))))
32 (define (engraver-doc-string engraver in-which-contexts)
33 (let* ((propsr (assoc-get 'properties-read (ly:translator-description engraver)))
34 (propsw (assoc-get 'properties-written (ly:translator-description engraver)))
35 (accepted (assoc-get 'events-accepted (ly:translator-description engraver)))
36 (name-sym (ly:translator-name engraver))
37 (name-str (symbol->string name-sym))
38 (desc (assoc-get 'description (ly:translator-description engraver)))
39 (grobs (engraver-grobs engraver)))
46 "Music types accepted:\n\n"
48 (map ref-ify (sort (map symbol->string accepted) ly:string-ci<?))))
54 (description-list->texi
55 (map (lambda (x) (property->texi 'translation x '()))
56 (sort propsr ly:symbol-ci<?))
64 (description-list->texi
65 (map (lambda (x) (property->texi 'translation x '()))
66 (sort propsw ly:symbol-ci<?))
71 "\n\nThis engraver creates the following layout object(s):\n\n"
72 (human-listify (map ref-ify (uniq-list (sort grobs ly:string-ci<?))))
78 (let* ((layout-alist (ly:output-description $defaultlayout))
79 (context-description-alist (map cdr layout-alist))
84 (let* ((context (assoc-get 'context-name x))
85 (group (assq-ref x 'group-type))
90 (assoc-get 'consists x))))
91 (if (member name-sym consists)
94 context-description-alist)))
95 (context-list (human-listify (map ref-ify
97 (map symbol->string contexts)
100 "@code{" name-str "} "
101 (if (equal? context-list "none")
102 "is not part of any context"
104 "is part of the following context(s): "
109 ;; First level Engraver description
110 (define (engraver-doc grav)
112 #:name (symbol->string (ly:translator-name grav))
113 #:text (engraver-doc-string grav #t)))
115 ;; Second level, part of Context description
116 (define name->engraver-table (make-vector 61 '()))
119 (hash-set! name->engraver-table (ly:translator-name x) x))
120 (ly:get-all-translators))
122 (define (find-engraver-by-name name)
124 (hash-ref name->engraver-table name #f))
126 (define (document-engraver-by-name name)
129 (let* ((eg (find-engraver-by-name name)))
131 (cons (string-append "@code{" (ref-ify (symbol->string name)) "}")
132 (engraver-doc-string eg #f))))
134 (define (document-property-operation op)
136 (context-sym (cadr op))
148 (format "grob-property @code{~a} "
149 (string-join (map symbol->string path) " "))
150 (format "in @ref{~a} to ~a."
151 context-sym (scm->texi value))
153 ((equal? (object-property context-sym 'is-grob?) #t) "")
154 ((equal? tag 'assign)
155 (format "@item Set translator property @code{~a} to ~a.\n"
157 (scm->texi (car args))))
161 (define (context-doc context-desc)
162 (let* ((name-sym (assoc-get 'context-name context-desc))
163 (name (symbol->string name-sym))
164 (aliases (map symbol->string (assoc-get 'aliases context-desc)))
165 (desc (assoc-get 'description context-desc "(not documented"))
166 (accepts (assoc-get 'accepts context-desc))
167 (consists (assoc-get 'consists context-desc))
168 (props (assoc-get 'property-ops context-desc))
169 (grobs (context-grobs context-desc))
170 (grob-refs (map ref-ify (sort grobs ly:string-ci<?))))
179 "\n\nThis context also accepts commands for the following context(s):\n\n"
180 (human-listify (sort aliases ly:string-ci<?))
184 "\n\nThis context creates the following layout object(s):\n\n"
185 (human-listify (uniq-list grob-refs))
188 (if (and (pair? props) (not (null? props)))
189 (let ((str (apply string-append
190 (sort (map document-property-operation props)
192 (if (string-null? str)
195 "\n\nThis context sets the following properties:\n\n"
202 "\n\nThis context is a `bottom' context; it cannot contain other contexts."
207 (human-listify (map ref-ify (sort (map symbol->string accepts)
214 "\n\nThis context is built from the following engraver(s):"
215 (description-list->texi
216 (map document-engraver-by-name (sort consists ly:symbol-ci<?))
219 (define (engraver-grobs grav)
220 (let* ((eg (if (symbol? grav)
221 (find-engraver-by-name grav)
225 (map symbol->string (assoc-get 'grobs-created (ly:translator-description eg))))))
227 (define (context-grobs context-desc)
228 (let* ((group (assq-ref context-desc 'group-type))
233 (assoc-get 'consists context-desc)))
235 (map engraver-grobs consists))))
238 (define (all-contexts-doc)
240 (sort (ly:output-description $defaultlayout)
241 (lambda (x y) (ly:symbol-ci<? (car x) (car y)))))
242 (names (sort (map symbol->string (map car layout-alist)) ly:string-ci<?))
243 (contexts (map cdr layout-alist)))
247 #:desc "Complete descriptions of all contexts."
249 (map context-doc contexts))))
251 (define all-engravers-list (ly:get-all-translators))
252 (set! all-engravers-list
253 (sort all-engravers-list
254 (lambda (a b) (ly:string-ci<? (symbol->string (ly:translator-name a))
255 (symbol->string (ly:translator-name b))))))
257 (define (all-engravers-doc)
259 #:name "Engravers and Performers"
260 #:desc "All separate engravers and performers."
261 #:text "See @ruser{Modifying context plug-ins}."
263 (map engraver-doc all-engravers-list)))
265 (define (translation-properties-doc-string lst)
266 (let* ((ps (sort (map symbol->string lst) ly:string-ci<?))
267 (sortedsyms (map string->symbol ps))
270 (lambda (x) (property->texi 'translation x '()))
272 (texi (description-list->texi propdescs #f)))
275 (define (translation-doc-node)
278 #:desc "From music to layout."
284 #:name "Tunable context properties"
285 #:desc "All tunable context properties."
286 #:text (translation-properties-doc-string
287 all-user-translation-properties))
290 #:name "Internal context properties"
291 #:desc "All internal context properties."
292 #:text (translation-properties-doc-string
293 all-internal-translation-properties)))))