1 Commits

Author SHA1 Message Date
4ded2286d8 native scheme yaml parser 2025-09-19 23:26:18 +02:00
5 changed files with 145 additions and 239 deletions

View File

@@ -24,7 +24,6 @@
#(define AUTHOR_DATA (if (defined? 'AUTHOR_DATA) AUTHOR_DATA (parse-yml-file "../../lilypond-song-includes/data/authors.yml")))
#(define SONG_DATA (if (defined? 'SONG_DATA) SONG_DATA (parse-yml-file "../../lilypond-song-includes/data/songs.yml")))
\include "merge_rests_engraver_override.ily"
\include "basic_format_and_style_settings.ily"
\include "eps_file_from_song_dir.ily"
\include "title_with_category_images.ily"

View File

@@ -44,7 +44,7 @@ generalLayout = \layout {
\context {
\Staff
\accidentalStyle modern-voice-cautionary
\consists \Better_Merge_rests_engraver
\consists Merge_rests_engraver
}
\context {
\Score
@@ -67,7 +67,6 @@ generalLayout = \layout {
% ich will lines breaken wie ich will!
\remove "Forbid_line_break_engraver"
\override NoteHead.layer = 2
\override Rest.layer = 2
\override Dots.layer = 2
\override Stem.layer = 2
\override Flag.layer = 2
@@ -84,14 +83,12 @@ textp = \lyricmode { \markup { \raise #1 \musicglyph #"rests.3" } }
% zweite Stimme alles grau
secondVoiceStyle = {
\override NoteHead.color = #grey
\override Rest.color = #grey
\override Dots.color = #grey
\override Stem.color = #grey
\override Flag.color = #grey
\override Beam.color = #grey
\override Accidental.color = #grey
\override NoteHead.layer = 1
\override Rest.layer = 1
\override Dots.layer = 1
\override Stem.layer = 1
\override Flag.layer = 1
@@ -101,7 +98,6 @@ secondVoiceStyle = {
firstVoiceStyle = {
\override NoteHead.color = #black
\override Rest.color = #black
\override Dots.color = #black
\override Stem.color = #black
\override Flag.color = #black

View File

@@ -1,86 +0,0 @@
Better_Merge_rests_engraver =
#(lambda (context)
(define (has-one-or-less? lst) (or (null? lst) (null? (cdr lst))))
(define (has-at-least-two? lst) (not (has-one-or-less? lst)))
(define (all-equal? lst pred)
(or (has-one-or-less? lst)
(and (pred (car lst) (cadr lst)) (all-equal? (cdr lst) pred))))
(define (measure-count-eqv? a b)
(eqv?
(ly:grob-property a 'measure-count)
(ly:grob-property b 'measure-count)))
(define (rests-all-unpitched? rests)
"Returns true when all rests do not override the staff-position grob
property. When a rest has a position set we do not want to merge rests at
that position."
(every (lambda (rest) (null? (ly:grob-property rest 'staff-position))) rests))
(define (less-by-layer a b)
(<
(ly:grob-property b 'layer)
(ly:grob-property a 'layer)))
(define (merge-mmrests mmrests)
"Move all multimeasure rests to the single voice location."
(if (all-equal? mmrests measure-count-eqv?)
(begin
(for-each
(lambda (rest) (ly:grob-set-property! rest 'direction CENTER))
mmrests)
(for-each
(lambda (rest) (ly:grob-set-property! rest 'transparent #t))
(cdr (sort mmrests less-by-layer))))))
(define (merge-rests rests)
(for-each
(lambda (rest) (ly:grob-set-property! rest 'staff-position 0))
rests)
(for-each
(lambda (rest) (ly:grob-set-property! rest 'transparent #t))
(cdr (sort rests less-by-layer))))
(let ((mmrests '())
(rests '())
(dots '()))
(make-engraver
((start-translation-timestep translator)
(set! rests '())
(set! mmrests '())
(set! dots '()))
(acknowledgers
((dot-column-interface engraver grob source-engraver)
(if (not (ly:context-property context 'suspendRestMerging #f))
(set!
dots
(append (ly:grob-array->list (ly:grob-object grob 'dots))
dots))))
((rest-interface engraver grob source-engraver)
(cond
((ly:context-property context 'suspendRestMerging #f)
#f)
((grob::has-interface grob 'multi-measure-rest-interface)
(set! mmrests (cons grob mmrests)))
(else
(set! rests (cons grob rests))))))
((stop-translation-timestep translator)
(let (;; get a list of the rests 'duration-lengths, 'duration-log does
;; not take dots into account
(durs
(map
(lambda (g)
(ly:duration->moment
(ly:prob-property
(ly:grob-property g 'cause)
'duration)))
rests)))
(if (and
(has-at-least-two? rests)
(all-equal? durs equal?)
(rests-all-unpitched? rests))
(begin
(merge-rests rests)
;; ly:grob-suicide! works nicely for dots, as opposed to rests.
(if (pair? dots) (for-each ly:grob-suicide! (cdr dots)))))
(if (has-at-least-two? mmrests)
(merge-mmrests mmrests)))))))

View File

@@ -1,8 +1,5 @@
(use-modules (ice-9 rdelim) (ice-9 regex) (ice-9 pretty-print) (srfi srfi-1))
;; Hauptparsingfunktion
(define (yml-file->scm filename)
;; Utility: Zeile einlesen
(define (read-lines filename)
(call-with-input-file filename
@@ -57,6 +54,10 @@
((string=? s "null") '())
(else s))))
;; Hauptparsingfunktion
(define (yml-file->scm filename)
(let ((lines (read-lines filename)))
(parse-lines lines 0)))
;; Hilfsfunktion: Zeilen mit gleicher oder höherer Einrückung sammeln
(define (take-indented lines min-indent)
@@ -148,7 +149,4 @@
(loop (cdr ls) result))))
)))))
(let ((lines (read-lines filename)))
(parse-lines lines 0)))
(define (parse-yml-file filename) (resolve-inherits (yml-file->scm filename)))

View File

@@ -280,7 +280,6 @@
\context {
\Lyrics
\override VerticalAxisGroup.nonstaff-relatedstaff-spacing.basic-distance = #verse-text-chord-distance
\override VerticalAxisGroup.nonstaff-relatedstaff-spacing.padding = #(- verse-text-chord-distance songTextChordDistance)
\override LyricText.parent-alignment-X = #LEFT
\override LyricText.self-alignment-X = #LEFT
\override LyricText.word-space = 0.8