-(use-modules (ice-9 regex)
- (srfi srfi-1))
-
-;; should make module?
+(use-modules (ice-9 regex)
+ (srfi srfi-1)
+ (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.)
<paperoutput>
</paperoutput>
</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 (assoc-get-default key alist default)
+ "Return value if KEY in ALIST, else DEFAULT."
+ (let ((entry (assoc key alist)))
+ (if entry (cdr entry) default)))
+
+(define (musicxml-node->string node)
+ (let ((xml-name (assoc-get-default (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" "")
+ (apply string-append (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-append
+ (apply string-append (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 (musicxml-pitch->xml-node p)
+ (make <xml-node>
+ #:name 'pitch
+ #:children
+ (list
+ (make <xml-node>
+ #:name 'step
+ #:value (list-ref '("C" "D" "E" "F" "G" "A" "B")
+ (ly:pitch-notename p)))
+ (make <xml-node>
+ #:name 'octave
+ #:value (number->string (ly:pitch-octave p))))))
+
+(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: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))
+ (d (ly:get-mus-property music 'duration))
+ (p (ly:get-mus-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
<!ATTLIST pitch octave ( -1 | -2 | 0 | 1 ) #REQUIRED >")
-
-
-(define (dump-duration d port)
- (display (open-tag 'duration
- `((log . ,(ly:duration-log d))
- (dots . ,(ly:duration-dot-count d))
- (numer . ,(car (ly:duration-factor d)))
- (denom . ,(cdr (ly:duration-factor d)))
- )
- '() ) port)
- (display (close-tag 'duration) port))
-
-(define (dump-pitch p port)
- (display (open-tag 'pitch
- `((octave . ,(ly:pitch-octave p))
- (notename . ,(ly:pitch-notename p))
- (alteration . ,(ly:pitch-alteration p))
- )
- '() ) port)
- (display (close-tag 'pitch) port))
-
;; should use macro
(define (assert x)
(if x
(string-append
"<" (symbol->string tag)
- (apply string-append
- (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))
- )
+ (apply string-append (map dump-attr (filter candidate? attrs)))
+ ">"))
- ;; 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 (ly:duration? d)
- (dump-duration d port))
- (if (ly:pitch? p)
- (dump-pitch p port))
- (if (pair? es)
- (map (lambda (x) (music-to-xml-helper x port)) es)
- )
-
- (if (ly:music? e)
- (begin
- (music-to-xml-helper e port)))
- (display (close-tag 'music) port)
- ))
+(define (close-tag name)
+ (string-append "</" (symbol->string name) ">"))
(define-public (music-to-xml music port)
"Dump XML-ish stuff to PORT."
;; (display (dtd-header) port)
(display (open-tag 'music '((type . score)) '()) port)
- (music-to-xml-helper music 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 PORT."
+
+ ;; dtd contains # -- This confuses tex during make web.
+ ;;
+ ;; (display (dtd-header) port)
+
+ (define pitch->xml-node musicxml-pitch->xml-node)
+ (define duration->xml-node musicxml-duration->xml-node)
+
+ (display (open-tag 'music '((type . score)) '()) port)
+ (display (musicxml-node->string (music->xml-node music)) port)
+ (display (close-tag 'music) port))
+
projects / lilypond.git / blobdiff