-;;; backend-documentation-lib.scm -- Functions for backend documentation
-;;;
-;;; source file of the GNU LilyPond music typesetter
-;;;
-;;; (c) 2000--2003 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-;;; Jan Nieuwenhuizen <janneke@gnu.org>
-
-
-;;; This file generates documentation for the backend of lilypond.
-
-;; alist of property descriptions
-
-;;
-"
-TODO:
-
-
-Grob bla
-
-Created by:
-
- * preset properties + explanation
-
-Interfaces:
-
- * properties available.
-
-"
-
+;;;; This file is part of LilyPond, the GNU music typesetter.
+;;;;
+;;;; Copyright (C) 2000--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>
+;;;; Jan Nieuwenhuizen <janneke@gnu.org>
+;;;;
+;;;; LilyPond 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.
+;;;;
+;;;; LilyPond 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 LilyPond. If not, see <http://www.gnu.org/licenses/>.
+
+(define (sort-grob-properties x)
+ ;; force 'meta to the end of each prop-list
+ (let ((meta (assoc 'meta x)))
+ (append (sort (assoc-remove! x 'meta) ly:alist-ci<?)
+ (list meta))))
+
+;; properly sort all grobs, properties, and interfaces
+;; within the all-grob-descriptions alist
+(map
+ (lambda (x)
+ (let* ((props (assoc-ref all-grob-descriptions (car x)))
+ (meta (assoc-ref props 'meta))
+ (interfaces (assoc-ref meta 'interfaces)))
+ (set! all-grob-descriptions
+ (sort (assoc-set! all-grob-descriptions (car x)
+ (sort-grob-properties
+ (assoc-set! props 'meta
+ (assoc-set! meta 'interfaces
+ (sort interfaces ly:symbol-ci<?)))))
+ ly:alist-ci<?))))
+ all-grob-descriptions)
(define (interface-doc-string interface grob-description)
- (let*
- ((name (car interface))
- (desc (cadr interface))
- (props (sort (caddr interface) symbol<?))
- (docfunc (lambda (pr)
- (document-property
- pr 'backend grob-description)))
- (propdocs (map docfunc props)))
+ (let* ((name (car interface))
+ (desc (cadr interface))
+ (props (caddr interface))
+ (docfunc (lambda (pr)
+ (property->texi
+ 'backend pr grob-description)))
+ (iprops (filter (lambda (x) (object-property x 'backend-internal))
+ props))
+ (uprops (filter
+ (lambda (x) (not (object-property x 'backend-internal)))
+ props))
+ (user-propdocs (map docfunc uprops))
+ (internal-propdocs (map docfunc iprops)))
+
(string-append
desc
- "\n\n"
- (description-list->texi propdocs))
- ))
+ (if (pair? uprops)
+ (string-append
+ "\n\n@subsubheading User settable properties:\n"
+ (description-list->texi user-propdocs #t))
+ "")
+
+ (if (pair? iprops)
+ (string-append
+ "\n\n@subsubheading Internal properties:\n"
+ (description-list->texi internal-propdocs #t))
+ ""))))
(define iface->grob-table (make-vector 61 '()))
;; extract ifaces, and put grob into the hash table.
(map
(lambda (x)
- (let*
- (
- (metah (assoc 'meta (cdr x)))
- (meta (cdr metah))
- (ifaces (cdr (assoc 'interfaces meta)))
- )
+ (let* ((meta (assoc-get 'meta (cdr x)))
+ (ifaces (assoc-get 'interfaces meta)))
(map (lambda (iface)
(hashq-set!
iface->grob-table iface
(cons (car x)
- (hashq-ref iface->grob-table iface '())
- )))
- ifaces)
- ))
+ (hashq-ref iface->grob-table iface '()))))
+ ifaces)))
all-grob-descriptions)
;; First level Interface description
(define (interface-doc interface)
- (let ((name (symbol->string (car interface))))
+ (let* ((name (symbol->string (car interface)))
+ (interface-list (human-listify
+ (map ref-ify
+ (sort
+ (map symbol->string
+ (hashq-ref iface->grob-table
+ (car interface)
+ '()))
+ ly:string-ci<?)))))
(make <texi-node>
#:name name
#:text (string-append
- (interface-doc-string (cdr interface) #f)
+ (interface-doc-string (cdr interface) '())
"\n\n"
- "This grob interface is used in the following graphical objects: "
-
- (human-listify
- (map ref-ify
- (map symbol->string
- (hashq-ref iface->grob-table (car interface) '() )))))
-
- )))
+ "This grob interface "
+ (if (equal? interface-list "none")
+ "is not used in any graphical object"
+ (string-append
+ "is used in the following graphical object(s): "
+ interface-list))
+ "."))))
+
+(define (grob-alist->texi alist)
+ (let* ((uprops (filter (lambda (x) (not (object-property x 'backend-internal)))
+ (map car alist))))
+
+ (description-list->texi
+ (map (lambda (y) (property->texi 'backend y alist))
+ uprops)
+ #t)))
(define (grob-doc description)
"Given a property alist DESCRIPTION, make a documentation
node."
-
- (let*
- (
- (metah (assoc 'meta description))
-
- (meta (cdr metah))
- (name (cdr (assoc 'name meta)))
- (ifaces (map lookup-interface (cdr (assoc 'interfaces meta))))
- (ifacedoc (map (lambda (iface)
- (string-append
-"
-@subsubheading "
-(ref-ify (symbol->string (car iface)))
-
-"\n\n"
- (interface-doc-string iface description)))
- (reverse ifaces)))
- (engravers (filter
- (lambda (x) (engraver-makes-grob? name x)) all-engravers-list))
- (namestr (symbol->string name))
- (engraver-names (map symbol->string (map ly:translator-name engravers)))
- )
+
+ (let* ((meta (assoc-get 'meta description))
+ (name (assoc-get 'name meta))
+ ;; (bla (display name))
+ (ifaces (map lookup-interface (assoc-get 'interfaces meta)))
+ (ifacedoc (map ref-ify
+ (sort
+ (map (lambda (iface)
+ (if (pair? iface)
+ (symbol->string (car iface))
+ (ly:error (_ "pair expected in doc ~s") name)))
+ ifaces)
+ ly:string-ci<?)))
+ (engravers (filter
+ (lambda (x) (engraver-makes-grob? name x))
+ all-engravers-list))
+ (namestr (symbol->string name))
+ (engraver-names (map symbol->string
+ (map ly:translator-name engravers)))
+ (engraver-list (human-listify
+ (map ref-ify
+ (map engraver-name engraver-names)))))
(make <texi-node>
#:name namestr
#:text
(string-append
- namestr " grobs are created by: "
- (human-listify (map ref-ify
- (map engraver-name engraver-names)))
- (apply string-append ifacedoc)
- ))
- ))
+ namestr " objects "
+ (if (equal? engraver-list "none")
+ "are not created by any engraver"
+ (string-append
+ "are created by: "
+ engraver-list))
+ "."
+
+ "\n\nStandard settings:\n\n"
+ (grob-alist->texi description)
+ "\n\nThis object supports the following interface(s):\n"
+ (human-listify ifacedoc)
+ "."))))
(define (all-grobs-doc)
(make <texi-node>
#:name "All layout objects"
- #:desc "Description and defaults for all Grobs"
+ #:desc "Description and defaults for all graphical objects (grobs)."
#:children
(map (lambda (x) (grob-doc (cdr x))) all-grob-descriptions)))
(define interface-description-alist
(hash-fold
(lambda (key val prior)
- (cons (cons key val) prior)
- )
+ (cons (cons key val) prior))
'() (ly:all-grob-interfaces)))
-(set! interface-description-alist (sort interface-description-alist alist<?))
-
+(set! interface-description-alist
+ (sort interface-description-alist ly:alist-ci<?))
;;;;;;;;;; check for dangling backend properties.
(define (mark-interface-properties entry)
- (map (lambda (x) (set-object-property! x 'iface-marked #t)) (caddr (cdr entry)))
- )
+ (map (lambda (x) (set-object-property! x 'iface-marked #t))
+ (caddr (cdr entry))))
(map mark-interface-properties interface-description-alist)
(define (check-dangling-properties prop)
(if (not (object-property prop 'iface-marked))
- (error "\ngrob-property-description.scm: Can't find interface for property:" prop)))
+ (ly:error (string-append "define-grob-properties.scm: "
+ (_ "cannot find interface for property: ~S")) prop)))
(map check-dangling-properties all-backend-properties)
;;;;;;;;;;;;;;;;
(define (lookup-interface name)
- (let* (
- (entry (hashq-ref (ly:all-grob-interfaces) name #f))
- )
-
- (if (equal? entry #f)
- (error "Unknown interface" name))
-
- entry
-))
+ (let* ((entry (hashq-ref (ly:all-grob-interfaces) name #f)))
+ (if entry
+ entry
+ (ly:error (_ "unknown Grob interface: ~S") name))))
(define (all-interfaces-doc)
(make <texi-node>
#:name "Graphical Object Interfaces"
- #:desc "Building blocks of graphical objects"
+ #:desc "Building blocks of graphical objects."
#:children
- (map interface-doc interface-description-alist)
- ))
-
-(define (all-backend-properties-doc)
- (let*
- (
- (ps (sort (map symbol->string all-backend-properties) string<?))
- (descs (map (lambda (prop)
- (document-property (string->symbol prop) 'backend #f))
- ps))
- (texi (description-list->texi descs))
- )
- (make <texi-node>
- #:name "All backend properties"
- #:desc "All grob properties in a big list"
- #:text texi)
- ))
+ (map interface-doc interface-description-alist)))
+
+(define (backend-properties-doc-string lst)
+ (let* ((ps (sort (map symbol->string lst) ly:string-ci<?))
+ (descs (map (lambda (prop)
+ (property->texi 'backend (string->symbol prop) '())) ps))
+ (texi (description-list->texi descs #f)))
+ texi))
-;(dump-node (grob-doc (cdadr all-grob-descriptions)) (current-output-port) 0 )
+;;(dump-node (grob-doc (cdadr all-grob-descriptions)) (current-output-port) 0 )
(define (backend-doc-node)
(make <texi-node>
#:name "Backend"
- #:desc "Reference for the layout engine"
+ #:desc "Reference for the layout engine."
#:children
(list
(all-grobs-doc)
(all-interfaces-doc)
- (all-backend-properties-doc)
- )
- ))
+ (make <texi-node>
+ #:name "User backend properties"
+ #:desc "All tunable properties in a big list."
+ #:text (backend-properties-doc-string all-user-grob-properties))
+ (make <texi-node>
+ #:name "Internal backend properties"
+ #:desc "All internal layout properties in a big list."
+ #:text (backend-properties-doc-string all-internal-grob-properties)))))