-(use-modules (ice-9 regex))
-"
-
+;;;; This file is part of LilyPond, the GNU music typesetter.
+;;;;
+;;;; Copyright (C) 2003--2015 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-module (scm to-xml))
+
+(use-modules (ice-9 regex)
+ (srfi srfi-1)
+ (lily)
+ (oop goops))
+"
Todo: this is a quick hack; it makes more sense to define a GOOPS
class of a documentnode (similar to how
-; the documentation is generated.)
+the documentation is generated.)
That is much cleaner: building the document, and dumping it to output
is then separated.
- foo = \score { ... }
+ foo = \\score { ... }
#(as-xml foo)
<score>
<music></music>
- <paperoutput>
- </paperoutput>
+ <layoutoutput>
+ </layoutoutput>
</score>
-
-
-
"
+(define-class <xml-node> ()
+ (name #:init-value "" #:accessor node-name #:init-keyword #:name)
+ (value #:init-value "" #:accessor node-value #:init-keyword #:value)
+ (attributes #:init-value '()
+ #:accessor node-attributes
+ #:init-keyword #:attributes)
+ (children #:init-value '()
+ #:accessor node-children
+ #:init-keyword #:children))
+
+(define node-names
+ '((NoteEvent . note)
+ (SequentialMusic . measure)
+
+ ;;ugh
+ (pitch . pitch)
+ (duration . duration)
+ (octave . octave)
+ (step . step)))
+
+(define (musicxml-node->string node)
+ (let ((xml-name (assoc-get (node-name node) node-names #f)))
+ (string-append
+ (if xml-name (open-tag xml-name '() '()) "")
+ (if (equal? (node-value node) "")
+ (string-append
+ (if xml-name "\n" "")
+ (string-concatenate (map musicxml-node->string (node-children node))))
+ (node-value node))
+ (if xml-name (close-tag xml-name) "")
+ (if xml-name "\n" ""))))
+
+(define (xml-node->string node)
+ (string-append
+ "\n"
+ (open-tag (node-name node) (node-attributes node) '())
+ (if (equal? (node-value node) "")
+ (string-concatenate (map xml-node->string (node-children node)))
+ (node-value node))
+ "\n"
+ (close-tag (node-name node))))
+
+(define (musicxml-duration->xml-node d)
+ (make <xml-node>
+ #:name 'duration
+ #:value (number->string (ash 1 (ly:duration-log d)))))
+
+(define (duration->xml-node d)
+ (make <xml-node>
+ #:name 'duration
+ ;; #:value (number->string (ash 1 (ly:duration-log d)))))
+ #:attributes `((log . ,(ly:duration-log d))
+ (dots . ,(ly:duration-dot-count d))
+ (numer . ,(car (ly:duration-factor d)))
+ (denom . ,(cdr (ly:duration-factor d))))))
+
+(define (pitch->xml-node p)
+ (make <xml-node>
+ #:name 'pitch
+ #:attributes `((octave . ,(ly:pitch-octave p))
+ (notename . ,(ly:pitch-notename p))
+ (alteration . ,(ly:pitch-alteration p)))))
+
+(define (music->xml-node music)
+ (let* ((name (ly:music-property music 'name))
+ (e (ly:music-property music 'element))
+ (es (ly:music-property music 'elements))
+ (mprops (ly:music-mutable-properties music))
+ (d (ly:music-property music 'duration))
+ (p (ly:music-property music 'pitch))
+ (ignore-props '(origin elements duration pitch element)))
+
+ (make <xml-node>
+ #:name name
+ #:children
+ (apply
+ append
+ (if (ly:pitch? p) (list (pitch->xml-node p)) '())
+ (if (ly:duration? d) (list (duration->xml-node d)) '())
+ (if (pair? es) (map music->xml-node es) '())
+ (if (ly:music? e) (list (music->xml-node e)) '())
+ '()))))
(define (dtd-header)
(string-append
]>
"))
-
-
+
+
;; as computed from input/trip.ly, by
;; http://www.pault.com/pault/dtdgenerator/
<!ATTLIST pitch octave ( -1 | -2 | 0 | 1 ) #REQUIRED >")
-
-
-(define (dump-duration d port)
- (display (open-tag 'duration
- `((log . ,(duration-log d))
- (dots . ,(duration-dot-count d))
- (numer . ,(car (duration-factor d)))
- (denom . ,(cdr (duration-factor d)))
- )
- '() ) port)
- (display (close-tag 'duration) port))
-
-(define (dump-pitch p port)
- (display (open-tag 'pitch
- `((octave . ,(pitch-octave p))
- (notename . ,(pitch-notename p))
- (alteration . ,(pitch-alteration p))
- )
- '() ) port)
- (display (close-tag 'pitch) port))
-
;; should use macro
(define (assert x)
(if x
#t
- (error "assertion failed")))
+ (ly:error (_ "assertion failed: ~S") x)))
(define (re-sub re to string)
(regexp-substitute/global #f re string 'pre to 'post))
(if (null? alist)
string
(re-sub (caar alist) (cdar alist)
- (re-sub-alist string (cdr alist)))))
+ (re-sub-alist string (cdr alist)))))
(define xml-entities-alist
'(("\"" . """)
(define (open-tag tag attrs exceptions)
(define (candidate? x)
(not (memq (car x) exceptions)))
-
+
(define (dump-attr sym-val)
- (let*
- (
- (sym (car sym-val))
- (val (cdr sym-val))
- )
-
- (string-append
- "\n "
- (symbol->string sym)
- "=\""
+ (let* ((sym (car sym-val))
+ (val (cdr sym-val)))
- (let ((s (call-with-output-string (lambda (port) (display val port)))))
- (re-sub-alist s xml-entities-alist))
-
- "\""
- )))
+ (string-append
+ "\n "
+ (symbol->string sym)
+ "=\""
+ (let ((s (call-with-output-string (lambda (port) (display val port)))))
+ (re-sub-alist s xml-entities-alist))
+ "\"")))
(string-append
"<" (symbol->string tag)
- (apply string-append
- (map dump-attr (filter-list candidate? attrs)))
+ (string-concatenate (map dump-attr (filter candidate? attrs)))
+ ">"))
- ">\n")
-
- )
(define (close-tag name)
- (string-append "</" (symbol->string name) ">\n")
- )
-
-(define (music-to-xml-helper music port)
- (let*
- (
- (name (ly-get-mus-property music 'name))
- (e (ly-get-mus-property music 'element))
- (es (ly-get-mus-property music 'elements))
- (mprops (ly-get-mutable-properties music))
- (p (ly-get-mus-property music 'pitch))
- (d (ly-get-mus-property music 'duration))
- (ignore-props '(origin elements duration pitch element))
- )
-
- ;; As almost everything is music; <SequentialMusic> is
- ;; probably better than <music type="SequentialMusic">?
-
- (display (open-tag 'music (cons `(type . ,name) mprops) ignore-props)
- port)
- (if (duration? d)
- (dump-duration d port))
- (if (pitch? p)
- (dump-pitch p port))
- (if (pair? es)
- (map (lambda (x) (music-to-xml x port)) es)
- )
-
- (if (music? e)
- (begin
- (music-to-xml-helper e port)))
- (display (close-tag 'music) port)
- ))
-
-
+ (string-append "</" (symbol->string name) ">"))
+
(define-public (music-to-xml music port)
- "Dump XML-ish stuff to PORT."
- (display (dtd-header) port)
+ "Dump XML-ish stuff to @var{port}."
+
+ ;; dtd contains # -- This confuses tex during make doc.
+ ;;
+ ;; (display (dtd-header) port)
+
+ (display (open-tag 'music '((type . score)) '()) port)
+ (display (xml-node->string (music->xml-node music)) port)
+ (display (close-tag 'music) port))
+
+(define-public (music-to-musicxml music port)
+ "Dump MusicXML-ish stuff to @var{port}."
+
+ ;; dtd contains # -- This confuses tex during make doc.
+ ;;
+ ;; (display (dtd-header) port)
+
+ (define duration->xml-node musicxml-duration->xml-node)
+
(display (open-tag 'music '((type . score)) '()) port)
- (music-to-xml-helper music port)
+ (display (musicxml-node->string (music->xml-node music)) port)
(display (close-tag 'music) port))
projects / lilypond.git / blobdiff