boernel/lilypond-common-includes
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tux 2025-04-19 19:08:13 +02:00
parent cc4fc9f297
commit 654f619fba
1 changed files with 13 additions and 13 deletions
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26
footer_with_songinfo.ly
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@ -21,11 +21,13 @@
#(define (find-author-id-with-part-numbers contributionType authors)
(if authors
(filter-map (lambda (authordata)
(let ((contributionNumbers (filter-map (lambda (contribution) (if (and (list? contribution) (equal? contributionType (car contribution))) (cadr contribution) #f)) (cdr authordata)))
(authorId (car authordata)))
(if (null? contributionNumbers) #f (cons authorId contributionNumbers))
)) authors)
(sort-list
(filter-map (lambda (authordata)
(let ((contributionNumbers (filter-map (lambda (contribution) (if (and (list? contribution) (equal? contributionType (car contribution))) (cadr contribution) #f)) (cdr authordata)))
(authorId (car authordata)))
(if (null? contributionNumbers) #f (cons authorId (sort-list contributionNumbers <)))
)) authors)
(lambda (a b) (< (cadr a) (cadr b))))
(list)))
#(define-markup-command (print-songinfo layout props) ()
@ -75,22 +77,20 @@
(string-append contributionPrefix " " (string-join (format-authors authorIds) ", ")))
)
(define (join-present items joiner)
(string-join (filter (lambda (item) (and (string? item) (not (string-null? (string-trim-both item))))) items) joiner)
)
(define (render-partial-contribution-group prefixLookup authorData)
(if (null? authorData)
""
(let ((firstAuthorContributions (cdar authorData)))
(receive (authorDataSame authorDataOther)
(partition (lambda (authorEntry) (equal? (cdr authorEntry) firstAuthorContributions)) authorData)
(string-append
(join-present (list
(render-contribution-group (numbered-contribution-prefix firstAuthorContributions prefixLookup) (map car authorDataSame))
" "
(render-partial-contribution-group prefixLookup authorDataOther)
))))
)
(define (join-present items joiner)
(string-join (filter (lambda (item) (and (string? item) (not (string-null? (string-trim-both item))))) items) joiner)
)
) " ")))))
(define (poet-and-composer-from-authors authors)
(if authors