custom line breaks more robust refs #21

basic_format_and_style_settings.ly

@@ -1,7 +1,6 @@
 \language "deutsch"
 
 \include "default_style.ly"
-\include "default_author_style.ly"
 \include "default_songinfo_style.ly"
 \include "footer_with_songinfo.ly"
 

default_author_style.ly

@@ -1,32 +0,0 @@
-\paper {
-  authorMarkup =
-    #(make-on-the-fly-markup
-      (lambda (layout props m)
-        (let ((name (chain-assoc-get 'author:name props #f))
-              (trail_name (chain-assoc-get 'author:trail_name props #f))
-              (birth_year (chain-assoc-get 'author:birth_year props #f))
-              (death_year (chain-assoc-get 'author:death_year props #f))
-              (organization (chain-assoc-get 'author:organization props #f))
-              (string-present (lambda (str) (and str (not (and (string? str) (string-null? str))))))
-              (render_informations (lambda (infolist) (string-append (car infolist) (if (null? (cdr infolist)) "" (string-append " (" (string-join (cdr infolist) ", ") ")")))))
-              )
-          (interpret-markup layout props
-            (if (or (string-present trail_name) (string-present name))
-              (render_informations (filter string-present (list
-                trail_name
-                name
-                (if (and (string-present birth_year) (string-present death_year))
-                  (ly:format "~a‒~a" birth_year death_year)
-                  (if (string-present birth_year)
-                    (ly:format "*~a" birth_year)
-                    (if (string-present death_year) (ly:format "†~a" death_year) "")))
-                organization
-              )))
-              ""
-          ))))
-      (make-null-markup)
-    )
-  poetMarkup = \markup { "Worte:" \fromproperty #'author }
-  composerMarkup = \markup { "Weise:" \fromproperty #'author }
-  poetAndComposerEqualMarkup = \markup { "Worte und Weise:" \fromproperty #'author }
-}

default_songinfo_style.ly

@@ -1,8 +1,31 @@
 \paper {
+  poetPrefix = "Worte:"
+  composerPrefix = "Weise:"
+  compositionPrefix = "Satz:"
+  poetAndComposerEqualPrefix = "Worte und Weise:"
+
+  authorFormat =
+    #(lambda (noDetails name trail_name birth_year death_year organization)
+        (let ((string-present (lambda (str) (and str (not (and (string? str) (string-null? str))))))
+              (render_informations (lambda (infolist) (string-append (car infolist) (if (or noDetails (null? (cdr infolist))) "" (string-append " (" (string-join (cdr infolist) ", ") ")"))))))
+            (if (or (string-present trail_name) (string-present name))
+              (render_informations (filter string-present (list
+                trail_name
+                name
+                (if (and (string-present birth_year) (string-present death_year))
+                  (ly:format "~a‒~a" birth_year death_year)
+                  (if (string-present birth_year)
+                    (ly:format "*~a" birth_year)
+                    (if (string-present death_year) (ly:format "†~a" death_year) "")))
+                organization
+              )))
+              ""
+          )))
+
   songinfoMarkup =
     #(make-on-the-fly-markup
       (lambda (layout props m)
-        (let ((between-poet-and-composer-markup (chain-assoc-get 'header:between-poet-and-composer-markup props (make-hspace-markup 3)))
+        (let* ((between-poet-and-composer-markup (chain-assoc-get 'header:between-poet-and-composer-markup props (make-hspace-markup 3)))
               (poet-maybe-with-composer (chain-assoc-get 'songinfo:poet-maybe-with-composer props #f))
               (composer (chain-assoc-get 'songinfo:composer props #f))
               (copyright (chain-assoc-get 'songinfo:copyright props #f))
@@ -10,16 +33,22 @@
               (translation (chain-assoc-get 'songinfo:translation props #f))
               (pronunciation (chain-assoc-get 'songinfo:pronunciation props #f))
               (year_text (chain-assoc-get 'songinfo:year_text props #f))
-              (year_melody (chain-assoc-get 'songinfo:year_melody props #f)))
+              (year_melody (chain-assoc-get 'songinfo:year_melody props #f))
+              (poet-with-year (if (and poet-maybe-with-composer year_text) (string-append poet-maybe-with-composer ", " year_text) poet-maybe-with-composer))
+              (composer-with-year (if (and composer year_melody) (string-append composer ", " year_melody) composer))
+              (poet-and-composer-oneliner (if (and poet-with-year composer-with-year) (markup poet-with-year between-poet-and-composer-markup composer-with-year) #f))
+              (current-line-width (chain-assoc-get 'line-width props (ly:output-def-lookup layout 'line-width))))
           (stack-lines DOWN 0.0 (chain-assoc-get 'baseline-skip props)
             (interpret-markup-list layout props
               (append
-                (make-wordwrap-internal-markup-list #t (list
+                (if (and poet-and-composer-oneliner (< (interval-length (ly:stencil-extent (interpret-markup layout props poet-and-composer-oneliner) X)) current-line-width))
-                  (if poet-maybe-with-composer (markup
+                  (list poet-and-composer-oneliner)
-                      (if year_text (make-concat-markup (list poet-maybe-with-composer ", " year_text)) poet-maybe-with-composer) between-poet-and-composer-markup) "")
-                    (if composer (if year_melody (make-concat-markup (list composer ", " year_melody)) composer) "")))
                   (make-wordwrap-string-internal-markup-list #t (string-append
-                  (if copyright (string-append "© " copyright) "")
+                    (if poet-with-year (string-append "\n\n" poet-with-year) "")
+                    (if composer-with-year (string-append "\n\n" composer-with-year) "")
+                  )))
+                (make-wordwrap-string-internal-markup-list #t (string-append
+                  (if copyright (string-append "\n\n© " copyright) "")
                   (if infotext (string-append "\n\n" infotext) "")
                   (if translation (string-append "\n\nÜbersetzung: " translation) "")
                   (if pronunciation (string-append "\n\nAussprache: " pronunciation) ""))))))))

default_style.ly

@@ -1,14 +1,14 @@
-songFormatAndSize = "a4portrait"
+songFormatAndSize = "a5"
 songMargin = 5
-songInfoFontSize = -3.5
+songInfoFontSize = 0
 songTitleFont = "LilyPond Sans"
-songChordFont = "LilyPond Serif"
+songChordFont = "LilyPond Sans"
 songLyricFont = "LilyPond Sans"
 songChordFontSeries = #'bold
-songTextChordAlignment = #'center
+songTextChordAlignment = #'left
-songScoreChordFontSize = 0
+songScoreChordFontSize = 2
 songTextChordFontSize = \songScoreChordFontSize
-songTextLineHeigth = 5
+songTextLineHeigth = 5.3
 songTocColumns = 3
 globalSize = 15
 lyricSize = 1.6

footer_with_songinfo.ly

@@ -5,36 +5,89 @@
         (assoc-ref song key)
         (ly:warning (ly:format "song with id ~a not found" songId)))))
 
-  (define (format-author authorId)
+  (define (format-author authorId noDetails)
     (let ((author (if (defined? 'AUTHOR_DATA) (assoc-ref AUTHOR_DATA authorId) #f)))
       (if author
-        (markup
+        ((ly:output-def-lookup layout 'authorFormat)
-          #:override (cons 'author:name (assoc-ref author "name"))
+          noDetails
-          #:override (cons 'author:trail_name (assoc-ref author "trail_name"))
+          (assoc-ref author "name")
-          #:override (cons 'author:birth_year (assoc-ref author "birth_year"))
+          (assoc-ref author "trail_name")
-          #:override (cons 'author:death_year (assoc-ref author "death_year"))
+          (assoc-ref author "birth_year")
-          #:override (cons 'author:organization (assoc-ref author "organization"))
+          (assoc-ref author "death_year")
-          (ly:output-def-lookup layout 'authorMarkup))
+          (assoc-ref author "organization")
+        )
         (ly:warning (ly:format "author with id ~a not found" authorId)))))
 
   (define (format-poet poetId)
-    (markup #:override (cons 'author (format-author poetId)) (ly:output-def-lookup layout 'poetMarkup)))
+    (string-append (ly:output-def-lookup layout 'poetPrefix) " " (format-author poetId #f)))
 
   (define (format-composer composerId)
-    (markup #:override (cons 'author (format-author composerId)) (ly:output-def-lookup layout 'composerMarkup)))
+    (string-append (ly:output-def-lookup layout 'composerPrefix) " " (format-author composerId #f)))
 
   (define (format-poet-and-composer authorId)
-    (markup #:override (cons 'author (format-author authorId)) (ly:output-def-lookup layout 'poetAndComposerEqualMarkup)))
+    (string-append (ly:output-def-lookup layout 'poetAndComposerEqualPrefix) " " (format-author authorId #f)))
+
+  (define (find-author-ids-by contributionType authors)
+    (filter-map (lambda (authordata) (if (member contributionType (cdr authordata)) (car authordata) #f)) authors)
+  )
+
+  (define (find-author-id-with-part-numbers contributionType 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)
+  )
+
+  (define (render-contribution-numbers contributionNumbers)
+    (string-join (map (lambda (contributionNumber) (ly:format "~a." contributionNumber)) contributionNumbers) ", ")
+  )
+  (define (render-verse-contribution contributionNumbers)
+    (string-append (render-contribution-numbers contributionNumbers) " Strophe: ")
+  )
+
+  (define (render-voice-contribution contributionNumbers)
+    (string-append (render-contribution-numbers contributionNumbers) " Stimme: ")
+  )
+
+  (define (poet-and-composer-from-authors authors)
+    (if authors
+      (let* (
+            (poetIds (find-author-ids-by 'text authors))
+            (versePoetData (find-author-id-with-part-numbers 'verse authors))
+            (allPoetIds (append poetIds (map car versePoetData)))
+            (composerIds (find-author-ids-by 'melody authors))
+            (compositionIds (find-author-ids-by 'composition authors))
+            (voiceComposerData (find-author-id-with-part-numbers 'voice authors))
+            (poets (append
+              (map (lambda (poetId) (format-author poetId #f)) poetIds)
+              (map (lambda (versePoetEntry) (string-append (render-verse-contribution (cdr versePoetEntry)) (format-author (car versePoetEntry) (member (car versePoetEntry) poetIds)))) versePoetData)
+              ))
+            (composers (append
+              (map (lambda (composerId) (format-author composerId (member composerId allPoetIds))) composerIds)
+              (map (lambda (composerId) (string-append (ly:output-def-lookup layout 'compositionPrefix) " " (format-author composerId (member composerId allPoetIds)))) compositionIds)
+              (map (lambda (voiceComposerEntry) (string-append (render-voice-contribution (cdr voiceComposerEntry)) (format-author (car voiceComposerEntry) (member (car voiceComposerEntry) allPoetIds)))) voiceComposerData)
+              )))
+        (if (and (equal? poetIds composerIds) (null? versePoetData) (null? voiceComposerData) (null? compositionIds))
+          (list (string-append (ly:output-def-lookup layout 'poetAndComposerEqualPrefix) " " (string-join poets ", ")) #f)
+          (list
+            (string-append (ly:output-def-lookup layout 'poetPrefix) " " (string-join poets ", "))
+            (string-append (ly:output-def-lookup layout 'composerPrefix) " " (string-join composers ", ")))))
+      (list #f #f)
+    )
+  )
 
   (interpret-markup layout props
     (if (chain-assoc-get 'page:is-bookpart-last-page props #f)
-    (let* ((songId (chain-assoc-get 'header:songId props #f))
+    (let* ((authors (chain-assoc-get 'header:authors props #f))
+           (poet-and-composers (poet-and-composer-from-authors authors))
+           (songId (chain-assoc-get 'header:songId props #f))
            (poetId (chain-assoc-get 'header:poetId props (if songId (songinfo-from songId "poet") #f)))
            (composerId (chain-assoc-get 'header:composerId props (if songId (songinfo-from songId "composer") #f)))
            (poet-and-composer-same (equal? poetId composerId)))
       (let ((infotext (chain-assoc-get 'header:infotext props (chain-assoc-get 'header:songinfo props #f)))
-            (poet-maybe-with-composer (chain-assoc-get 'header:poet props (if poetId (if poet-and-composer-same (format-poet-and-composer poetId) (format-poet poetId)) #f)))
+            (poet-maybe-with-composer (chain-assoc-get 'header:poet props (if poetId (if poet-and-composer-same (format-poet-and-composer poetId) (format-poet poetId)) (car poet-and-composers))))
-            (composer (chain-assoc-get 'header:composer props (if (and composerId (not poet-and-composer-same)) (format-composer composerId) #f)))
+            (composer (chain-assoc-get 'header:composer props (if (and composerId (not poet-and-composer-same)) (format-composer composerId) (cadr poet-and-composers))))
             (copyright (chain-assoc-get 'header:copyright props #f))
             (translation (chain-assoc-get 'header:translation props #f))
             (pronunciation (chain-assoc-get 'header:pronunciation props #f))

verses_with_chords.ly

@@ -114,7 +114,16 @@
           (make-custom-linebreaks
             (cdr break-words)
             (ly:regex-replace
-              (ly:make-regex (string-append "(" (ly:regex-replace (ly:make-regex "(.)") (car break-words) "(?:\\(?" 1 "| *,[^,)]+\\)" 1 ")") "(?: *,[^,)]+\\))?)(.*)$"))
+              (ly:make-regex
+                (string-append
+                  "("
+                  (string-concatenate
+                    (map
+                      (lambda (character)
+                        (let ((escaped_char (ly:regex-quote (string character))))
+                             (string-append "(?: *,[^,)]+\\)" escaped_char "|\\(?" escaped_char ")")))
+                      (string->list (car break-words))))
+                  "(?: *,[^,)]+\\))?)(.*)$"))
               newtext
               1 "\n" 2))))))