(ly:stencil? (cadr stencils)))
(let* ((tail (stack-stencil-line space (cdr stencils)))
(head (car stencils))
- (xoff (+ space (cdr (ly:stencil-extent head X)))))
+ (xoff (+ space (interval-length (ly:stencil-extent head X)))))
(ly:stencil-add head
(ly:stencil-translate-axis tail xoff X)))
(car stencils))
(ly:make-stencil '() '(0 . 0) '(0 . 0))))
+
+;;; convert a full markup object to an approximate pure string representation
+
+(define-public (markup->string m)
+ ;; markup commands with one markup argument, formatting ignored
+ (define markups-first-argument '(list
+ bold-markup box-markup caps-markup dynamic-markup finger-markup
+ fontCaps-markup huge-markup italic-markup large-markup larger-markup
+ medium-markup normal-size-sub-markup normal-size-super-markup
+ normal-text-markup normalsize-markup number-markup roman-markup
+ sans-markup simple-markup small-markup smallCaps-markup smaller-markup
+ sub-markup super-markup teeny-markup text-markup tiny-markup
+ typewriter-markup underline-markup upright-markup bracket-markup
+ circle-markup hbracket-markup parenthesize-markup rounded-box-markup
+
+ center-align-markup center-column-markup column-markup dir-column-markup
+ fill-line-markup justify-markup justify-string-markup left-align-markup
+ left-column-markup line-markup right-align-markup right-column-markup
+ vcenter-markup wordwrap-markup wordwrap-string-markup ))
+
+ ;; markup commands with markup as second argument, first argument
+ ;; specifies some formatting and is ignored
+ (define markups-second-argument '(list
+ abs-fontsize-markup fontsize-markup magnify-markup lower-markup
+ pad-around-markup pad-markup-markup pad-x-markup raise-markup
+ halign-markup hcenter-in-markup rotate-markup translate-markup
+ translate-scaled-markup with-url-markup scale-markup ))
+
+ ;; helper functions to handle string cons like string lists
+ (define (markup-cons->string-cons c)
+ (if (not (pair? c)) (markup->string c)
+ (cons (markup->string (car c)) (markup-cons->string-cons (cdr c)))))
+ (define (string-cons-join c)
+ (if (not (pair? c)) c
+ (string-join (list (car c) (string-cons-join (cdr c))) "")))
+
+ (cond
+ ((string? m) m)
+ ((null? m) "")
+
+ ;; handle \concat (string-join without spaces)
+ ((and (pair? m) (equal? (car m) concat-markup))
+ (string-cons-join (markup-cons->string-cons (cadr m))) )
+
+ ;; markup functions with the markup as first arg
+ ((member (car m) (primitive-eval markups-first-argument))
+ (markup->string (cadr m)))
+
+ ;; markup functions with markup as second arg
+ ((member (car m) (primitive-eval markups-second-argument))
+ (markup->string (cddr m)))
+
+ ;; ignore all other markup functions
+ ((markup-function? (car m)) "")
+
+ ;; handle markup lists
+ ((list? m)
+ (string-join (map markup->string m) " "))
+
+ (else "ERROR, unable to extract string from markup")))