;;;;
;;;; source file of the GNU LilyPond music typesetter
;;;;
-;;;; (c) 1998--2006 Jan Nieuwenhuizen <janneke@gnu.org>
+;;;; (c) 1998--2009 Jan Nieuwenhuizen <janneke@gnu.org>
;;;; Han-Wen Nienhuys <hanwen@xs4all.nl>
+; for take, drop, take-while, list-index, and find-tail:
+(use-modules (srfi srfi-1))
+
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; constants.
(define-public DOWN -1)
(define-public CENTER 0)
-(define-safe-public DOUBLE-FLAT -4)
-(define-safe-public THREE-Q-FLAT -3)
-(define-safe-public FLAT -2)
-(define-safe-public SEMI-FLAT -1)
+(define-safe-public DOUBLE-FLAT-QTS -4)
+(define-safe-public THREE-Q-FLAT-QTS -3)
+(define-safe-public FLAT-QTS -2)
+(define-safe-public SEMI-FLAT-QTS -1)
+(define-safe-public NATURAL-QTS 0)
+(define-safe-public SEMI-SHARP-QTS 1)
+(define-safe-public SHARP-QTS 2)
+(define-safe-public THREE-Q-SHARP-QTS 3)
+(define-safe-public DOUBLE-SHARP-QTS 4)
+(define-safe-public SEMI-TONE-QTS 2)
+
+(define-safe-public DOUBLE-FLAT -1)
+(define-safe-public THREE-Q-FLAT -3/4)
+(define-safe-public FLAT -1/2)
+(define-safe-public SEMI-FLAT -1/4)
(define-safe-public NATURAL 0)
-(define-safe-public SEMI-SHARP 1)
-(define-safe-public SHARP 2)
-(define-safe-public THREE-Q-SHARP 3)
-(define-safe-public DOUBLE-SHARP 4)
-(define-safe-public SEMI-TONE 2)
+(define-safe-public SEMI-SHARP 1/4)
+(define-safe-public SHARP 1/2)
+(define-safe-public THREE-Q-SHARP 3/4)
+(define-safe-public DOUBLE-SHARP 1)
+(define-safe-public SEMI-TONE 1/2)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; moments
(define-public (moment-min a b)
(if (ly:moment<? a b) a b))
-
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; arithmetic
(define-public (average x . lst)
(/ (+ x (apply + lst)) (1+ (length lst))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-;; lily specific variables.
-
-(define-public default-script-alist '())
-
-
-;; parser stuff.
-(define-public (print-music-as-book parser music)
- (let* ((head (ly:parser-lookup parser '$defaultheader))
- (book (ly:make-book (ly:parser-lookup parser '$defaultpaper)
- head (scorify-music music parser))))
- (print-book-with-defaults parser book)))
-
-(define-public (print-score-as-book parser score)
- (let* ((head (ly:parser-lookup parser '$defaultheader))
- (book (ly:make-book (ly:parser-lookup parser '$defaultpaper)
- head score)))
- (print-book-with-defaults parser book)))
-
-(define-public (print-score parser score)
- (let* ((head (ly:parser-lookup parser '$defaultheader))
- (book (ly:make-book (ly:parser-lookup parser '$defaultpaper)
- head score)))
- (ly:parser-print-score parser book)))
+;; parser <-> output hooks.
+(define-public (collect-bookpart-for-book parser book-part)
+ "Toplevel book-part handler"
+ (define (add-bookpart book-part)
+ (ly:parser-define!
+ parser 'toplevel-bookparts
+ (cons book-part (ly:parser-lookup parser 'toplevel-bookparts))))
+ ;; If toplevel scores have been found before this \bookpart,
+ ;; add them first to a dedicated bookpart
+ (if (pair? (ly:parser-lookup parser 'toplevel-scores))
+ (begin
+ (add-bookpart (ly:make-book-part
+ (ly:parser-lookup parser 'toplevel-scores)))
+ (ly:parser-define! parser 'toplevel-scores (list))))
+ (add-bookpart book-part))
+
(define-public (collect-scores-for-book parser score)
(ly:parser-define!
parser 'toplevel-scores
(cons score (ly:parser-lookup parser 'toplevel-scores))))
+(define-public (collect-music-aux score-handler parser music)
+ (define (music-property symbol)
+ (let ((value (ly:music-property music symbol)))
+ (if (not (null? value))
+ value
+ #f)))
+ (cond ((music-property 'page-marker)
+ ;; a page marker: set page break/turn permissions or label
+ (begin
+ (let ((label (music-property 'page-label)))
+ (if (symbol? label)
+ (score-handler (ly:make-page-label-marker label))))
+ (for-each (lambda (symbol)
+ (let ((permission (music-property symbol)))
+ (if (symbol? permission)
+ (score-handler
+ (ly:make-page-permission-marker symbol
+ (if (eqv? 'forbid permission)
+ '()
+ permission))))))
+ (list 'line-break-permission 'page-break-permission
+ 'page-turn-permission))))
+ ((not (music-property 'void))
+ ;; a regular music expression: make a score with this music
+ ;; void music is discarded
+ (score-handler (scorify-music music parser)))))
+
+(define-public (collect-music-for-book parser music)
+ "Top-level music handler"
+ (collect-music-aux (lambda (score)
+ (collect-scores-for-book parser score))
+ parser
+ music))
+
+(define-public (collect-book-music-for-book parser book music)
+ "Book music handler"
+ (collect-music-aux (lambda (score)
+ (ly:book-add-score! book score))
+ parser
+ music))
(define-public (scorify-music music parser)
+ "Preprocess MUSIC."
(for-each (lambda (func)
(set! music (func music parser)))
(ly:make-score music))
-(define-public (collect-music-for-book parser music)
- ;; discard music if its 'void property is true.
- (let ((void-music (ly:music-property music 'void)))
- (if (or (null? void-music) (not void-music))
- (collect-scores-for-book parser (scorify-music music parser)))))
-
-
-(define-public (print-book-with-defaults parser book)
+(define (print-book-with parser book process-procedure)
(let*
((paper (ly:parser-lookup parser '$defaultpaper))
(layout (ly:parser-lookup parser '$defaultlayout))
(count (ly:parser-lookup parser 'output-count))
- (base (ly:parser-output-name parser)))
-
- (if (not (integer? count))
- (set! count 0))
+ (base (ly:parser-output-name parser))
+ (output-suffix (ly:parser-lookup parser 'output-suffix)) )
- (if (> count 0)
- (set! base (format #f "~a-~a" base count)))
-
- (ly:parser-define! parser 'output-count (1+ count))
- (ly:book-process book paper layout base)
- ))
-
-(define-public (print-score-with-defaults parser score)
- (let*
- ((paper (ly:parser-lookup parser '$defaultpaper))
- (layout (ly:parser-lookup parser '$defaultlayout))
- (header (ly:parser-lookup parser '$defaultheader))
- (count (ly:parser-lookup parser 'output-count))
- (base (ly:parser-output-name parser)))
+ (if (string? output-suffix)
+ (set! base (format "~a-~a" base (string-regexp-substitute
+ "[^a-zA-Z0-9-]" "_" output-suffix))))
+ ;; must be careful: output-count is under user control.
(if (not (integer? count))
(set! count 0))
(if (> count 0)
(set! base (format #f "~a-~a" base count)))
-
(ly:parser-define! parser 'output-count (1+ count))
- (ly:score-process score header paper layout base)
+ (process-procedure book paper layout base)
))
+(define-public (print-book-with-defaults parser book)
+ (print-book-with parser book ly:book-process))
+
+(define-public (print-book-with-defaults-as-systems parser book)
+ (print-book-with parser book ly:book-process-to-systems))
;;;;;;;;;;;;;;;;
;; alist
(string<? (symbol->string (car x))
(symbol->string (car y))))
-(define-public (chain-assoc x alist-list)
- (if (null? alist-list)
- #f
- (let* ((handle (assoc x (car alist-list))))
- (if (pair? handle)
- handle
- (chain-assoc x (cdr alist-list))))))
-
(define-public (chain-assoc-get x alist-list . default)
"Return ALIST entry for X. Return DEFAULT (optional, else #f) if not
found."
;;;;;;;;;;;;;;;;
;; hash
-(if (not (defined? 'hash-table?)) ;; guile 1.6 compat
- (begin
- (define hash-table? vector?)
- (define-public (hash-for-each proc tab)
- (hash-fold (lambda (k v prior)
- (proc k v)
- #f)
- #f
- tab))
- (define-public (hash-table->alist t)
- "Convert table t to list"
- (apply append (vector->list t))))
-
- ;; native hashtabs.
- (begin
- (define-public (hash-table->alist t)
- (hash-fold (lambda (k v acc) (acons k v acc))
- '() t))))
+(define-public (hash-table->alist t)
+ (hash-fold (lambda (k v acc) (acons k v acc))
+ '() t))
;; todo: code dup with C++.
(define-safe-public (alist->hash-table lst)
"Return list of elements in A that are not in B."
(lset-difference eq? a b))
-(define (uniq lst)
- "Uniq LST, assuming that it is sorted"
+(define-public (uniq-list lst)
+ "Uniq LST, assuming that it is sorted. Uses equal? for comparisons."
(reverse!
(fold (lambda (x acc)
(if (null? acc)
(list x)
- (if (eq? x (car acc))
+ (if (equal? x (car acc))
acc
(cons x acc))))
'() lst) '()))
-(define (split-at-predicate predicate lst)
- "Split LST = (a_1 a_2 ... a_k b_1 ... b_k)
- into L1 = (a_1 ... a_k ) and L2 =(b_1 .. b_k)
- Such that (PREDICATE a_i a_{i+1}) and not (PREDICATE a_k b_1).
- L1 is copied, L2 not.
-
- (split-at-predicate (lambda (x y) (= (- y x) 2)) '(1 3 5 9 11) (cons '() '()))"
- ;; " Emacs is broken
-
- (define (inner-split predicate lst acc)
- (cond
- ((null? lst) acc)
- ((null? (cdr lst))
- (set-car! acc (cons (car lst) (car acc)))
- acc)
- ((predicate (car lst) (cadr lst))
- (set-car! acc (cons (car lst) (car acc)))
- (inner-split predicate (cdr lst) acc))
- (else
- (set-car! acc (cons (car lst) (car acc)))
- (set-cdr! acc (cdr lst))
- acc)))
-
- (let* ((c (cons '() '())))
- (inner-split predicate lst c)
- (set-car! c (reverse! (car c)))
- c))
-
-(define-public (split-list-by-separator lst sep?)
- "(display (split-list-by-separator '(a b c / d e f / g) (lambda (x) (equal? x '/))))
- =>
- ((a b c) (d e f) (g))
- "
- ;; " Emacs is broken
- (define (split-one sep? lst acc)
- "Split off the first parts before separator and return both parts."
- (if (null? lst)
- (cons acc '())
- (if (sep? (car lst))
- (cons acc (cdr lst))
- (split-one sep? (cdr lst) (cons (car lst) acc)))))
-
- (if (null? lst)
- '()
- (let* ((c (split-one sep? lst '())))
- (cons (reverse! (car c) '()) (split-list-by-separator (cdr c) sep?)))))
+(define (split-at-predicate pred lst)
+ "Split LST into two lists at the first element that returns #f for
+ (PRED previous_element element). Return the two parts as a pair.
+ Example: (split-at-predicate < '(1 2 3 2 1)) ==> ((1 2 3) . (2 1))"
+ (if (null? lst)
+ (list lst)
+ (let ((i (list-index pred (cdr lst) lst)))
+ (if i
+ (cons (take lst (1+ i)) (drop lst (1+ i)))
+ (list lst)))))
+
+(define-public (split-list-by-separator lst pred)
+ "Split LST at each element that satisfies PRED, and return the parts
+ (with the separators removed) as a list of lists. Example:
+ (split-list-by-separator '(a 0 b c 1 d) number?) ==> ((a) (b c) (d))"
+ (let loop ((result '()) (lst lst))
+ (if (and lst (not (null? lst)))
+ (loop
+ (append result
+ (list (take-while (lambda (x) (not (pred x))) lst)))
+ (let ((tail (find-tail pred lst)))
+ (if tail (cdr tail) #f)))
+ result)))
(define-public (offset-add a b)
(cons (+ (car a) (car b))
(define-public interval-end cdr)
+(define-public (interval-bound interval dir)
+ ((if (= dir RIGHT) cdr car) interval))
+
(define-public (interval-index interval dir)
"Interpolate INTERVAL between between left (DIR=-1) and right (DIR=+1)"
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-;;
-
-
+;; string
+
+(define-public (string-endswith s suffix)
+ (equal? suffix (substring s
+ (max 0 (- (string-length s) (string-length suffix)))
+ (string-length s))))
+
+(define-public (string-startswith s prefix)
+ (equal? prefix (substring s 0 (min (string-length s) (string-length prefix)))))
+
(define-public (string-encode-integer i)
(cond
((= i 0) "o")
(make-string 1 (integer->char (+ 65 (modulo i 26))))
(string-encode-integer (quotient i 26))))))
-(define-public (ly:numbers->string lst)
- (string-join (map ly:number->string lst) " "))
-
(define (number->octal-string x)
(let* ((n (inexact->exact x))
(n64 (quotient n 64))
(string-append (ly:number->string (car c)) " "
(ly:number->string (cdr c))))
+(define-public (dir-basename file . rest)
+ "Strip suffixes in REST, but leave directory component for FILE."
+ (define (inverse-basename x y) (basename y x))
+ (simple-format #f "~a/~a" (dirname file)
+ (fold inverse-basename file rest)))
(define-public (write-me message x)
"Return X. Display MESSAGE and write X. Handy for debugging,
0
(if (< x 0) -1 1)))
-(define-public (car< a b) (< (car a) (car b)))
+
+(define-public (car< a b)
+ (< (car a) (car b)))
(define-public (symbol<? lst r)
(string<? (symbol->string lst) (symbol->string r)))
;; don't confuse users with #<procedure .. > syntax.
;;
(define-public (scm->string val)
- (if (and (procedure? val) (symbol? (procedure-name val)))
+ (if (and (procedure? val)
+ (symbol? (procedure-name val)))
(symbol->string (procedure-name val))
(string-append
- (if (self-evaluating? val) "" "'")
- (call-with-output-string (lambda (port) (display val port))))))
+ (if (self-evaluating? val)
+ (if (string? val)
+ "\""
+ "")
+ "'")
+ (call-with-output-string (lambda (port) (display val port)))
+ (if (string? val)
+ "\""
+ ""))))
(define-public (!= lst r)
(not (= lst r)))
(define-public (version-not-seen-message input-file-name)
(ly:message
- (string-append
- input-file-name ": 0: " (_ "warning: ")
- (format #f
- (_ "no \\version statement found, please add~afor future compatibility")
- (format #f "\n\n\\version ~s\n\n" (lilypond-version))))))
+ "~a:0: ~a ~a"
+ input-file-name
+ (_ "warning:")
+ (format #f
+ (_ "no \\version statement found, please add~afor future compatibility")
+ (format #f "\n\n\\version ~s\n\n" (lilypond-version)))))
(define-public (old-relative-not-used-message input-file-name)
(ly:message
- (string-append
- input-file-name ": 0: " (_ "warning: ")
- (_ "old relative compatibility not used"))))
+ "~a:0: ~a ~a"
+ input-file-name
+ (_ "warning:")
+ (_ "old relative compatibility not used")))
projects / lilypond.git / blobdiff