Applies scheme indentation according to the GNU guidelines

scm/time-signature-settings.scm

 ;;;; This file is part of LilyPond, the GNU music typesetter.
 ;;;;
 ;;;; Copyright (C) 2009--2012 Carl Sorensen <c_sorensen@byu.edu>
 ;;;;
 ;;;; LilyPond is free software: you can redistribute it and/or modify
 ;;;; it under the terms of the GNU General Public License as published by
 ;;;; the Free Software Foundation, either version 3 of the License, or
 ;;;; (at your option) any later version.
 ;;;;
 ;;;; LilyPond is distributed in the hope that it will be useful,
@@ skipping 53 matching lines @@
 ;;;       NOTE: numerator is kept in beam-type because of
 ;;;             tuplets, e.g. (2 . 24) = (2 . 3) * (1 . 8)
 ;;;             for eighth-note triplets.
 ;;;
 
 (define-public default-time-signature-settings
   '(
     ;; in 2/2 time:
     ;;   use defaults, but end beams with 32nd notes each 1 4 beat
     ((2 . 2) .
-             ((beamExceptions . ((end . (((1 . 32) . (8 8 8 8))))))))
+     ((beamExceptions . ((end . (((1 . 32) . (8 8 8 8))))))))
 
     ;; in 2/4, 2/8 and 2/16 time:
     ;;   use defaults, so no entries are necessary
 
     ;; in 3 2 time:
     ;;   use defaults, but end beams with 32nd notes and higher each 1 4 beat
 
     ((3 . 2) .
-             ((beamExceptions . ((end .  (((1 . 32) . (8 8 8 8 8 8))))))))
+     ((beamExceptions . ((end .  (((1 . 32) . (8 8 8 8 8 8))))))))
 
     ;; in 3 4 time:
     ;;   use defaults, but combine all beats into a unit if possible
     ;;
     ;;   set all beams to end on beats, but 1 8 to beam entire measure
     ;;   in order to avoid beaming every beam type for the entire measure, we set
     ;;   triplets back to every beat.
     ((3 . 4) .
-             ((beamExceptions . ((end . (((1 . 8) . (6))            ;1/8 note whole measure
-                                         ((1 . 12) . (3 3 3)))))))) ;Anything shorter by beat
+     ((beamExceptions . ((end . (((1 . 8) . (6))            ;1/8 note whole measure
+                                 ((1 . 12) . (3 3 3)))))))) ;Anything shorter by beat
 
     ;; in 3 8  time:
     ;;   beam entire measure together
     ((3 . 8) . ((beamExceptions . ((end . (((1 . 8) . (3))))))))
 
     ;; in 3 16 time:
     ;;   use defaults -- no entries necessary
 
     ;; in 4 2 time:
     ;;   use defaults, but end beams with 16th notes or finer each 1 4 beat
     ((4 . 2) .
-             ((beamExceptions . ((end . (((1 . 16) . (4 4 4 4 4 4 4 4))))))))
+     ((beamExceptions . ((end . (((1 . 16) . (4 4 4 4 4 4 4 4))))))))
 
     ;; in 4 4 (common) time:
     ;;   use defaults, but combine beats 1,2 and 3,4 if only 8th notes
     ;;   NOTE: Any changes here need to be duplicated in
     ;;         ly/engraver-init.ly where the default time signature is set
     ;;         are set
     ((4 . 4) .
-             ((beamExceptions . ((end . (((1 . 8) . (4 4))  ; 1/8 notes half measure
-                                         ((1 . 12) . (3 3 3 3)))))))) ;Anything shorter by beat
+     ((beamExceptions . ((end . (((1 . 8) . (4 4))  ; 1/8 notes half measure
+                                 ((1 . 12) . (3 3 3 3)))))))) ;Anything shorter by beat
 
     ;; in 4/8 time:
     ;;   combine beats 1 and 2, so beam in 2
     ((4 . 8) . ((beatStructure . (2 2))))
 
     ;; in 4/16 time:
     ;;   use defaults, so no entries necessary
 
     ;; in 6 4 time:
     ;;   use defaults, but end beams with 32nd or finer each 1/4 beat
     ((6 . 4) .
-             ((beamExceptions . ((end .  (((1 . 16) . (4 4 4 4 4 4))))))))
+     ((beamExceptions . ((end .  (((1 . 16) . (4 4 4 4 4 4))))))))
 
     ;; in 6 8 time:
     ;;   use defaults, so no entries necessary
 
     ;; in 6 16 time:
     ;;   use defaults, so no entries necessary
 
     ;; in 9 4 time:
     ;;   use defaults, but end beams with 32nd or finer each 1 4 beat
     ((9 . 4) .
-             ((beamExceptions . ((end . (((1 . 32) . (8 8 8 8 8 8 8 8))))))))
+     ((beamExceptions . ((end . (((1 . 32) . (8 8 8 8 8 8 8 8))))))))
 
     ;; in 9 8 time
     ;;   use defaults, so no entries necessary
 
     ;; in 9 16 time
     ;;   use defaults, so no entries necessary
 
     ;; in 12 4 time:
     ;;   use defaults, but end beams with 32nd or finer notes each 1 4 beat
     ((12 . 4) .
-              ((beamExceptions . ((end . (((1 . 32) . (8 8 8 8 8 8 8 8 8 8 8 8))))))))
+     ((beamExceptions . ((end . (((1 . 32) . (8 8 8 8 8 8 8 8 8 8 8 8))))))))
 
     ;; in 12 8 time:
     ;;   use defaults, so no entries necessary
 
     ;; in 12 16 time:
     ;;   use defaults, so no entries necessary
 
     ;; in 5 8 time:
     ;;   default: group (3 2)
     ((5 . 8) .
-             ((beatStructure . (3 2))))
+     ((beatStructure . (3 2))))
 
     ;; in 8 8 time:
     ;;   default: group (3 3 2)
     ((8 . 8) .
-             ((beatStructure . (3 3 2))))
+     ((beatStructure . (3 3 2))))
 
     ))  ; end of alist definition
 
 ;;;
 ;;;  Accessor and constructor functions
 ;;;
 
 (define (get-setting my-symbol time-signature time-signature-settings)
   "Get setting @code{my-symbol} for @code{time-signature} from
 @code{time-signature-settings}."
   (let ((my-time-signature-settings
-          (assoc-get time-signature time-signature-settings '())))
-   (assoc-get my-symbol my-time-signature-settings '())))
+         (assoc-get time-signature time-signature-settings '())))
+    (assoc-get my-symbol my-time-signature-settings '())))
 
 (define-public (make-setting base-fraction
                              beat-structure
                              beam-exceptions)
   (list
-    (cons 'baseMoment base-fraction)
-    (cons 'beatStructure beat-structure)
-    (cons 'beamExceptions beam-exceptions)))
+   (cons 'baseMoment base-fraction)
+   (cons 'beatStructure beat-structure)
+   (cons 'beamExceptions beam-exceptions)))
 
 (define-public (base-fraction time-signature time-signature-settings)
   "Get @code{baseMoment} fraction value for @var{time-signature} from
 @var{time-signature-settings}."
-   (let ((return-value (get-setting 'baseMoment
-                                    time-signature
-                                    time-signature-settings)))
-     (if (null? return-value)
-         (cons 1 (cdr time-signature))
-         return-value)))
+  (let ((return-value (get-setting 'baseMoment
+                                   time-signature
+                                   time-signature-settings)))
+    (if (null? return-value)
+        (cons 1 (cdr time-signature))
+        return-value)))
 
 (define-public (beat-structure base-fraction time-signature time-signature-settings)
   "Get @code{beatStructure} value in @var{base-fraction} units
 for @var{time-signature} from @var{time-signature-settings}."
   (define (fraction-divide numerator denominator)
     (/ (* (car numerator) (cdr denominator))
        (* (cdr numerator) (car denominator))))
 
   (let ((return-value (get-setting 'beatStructure
                                    time-signature
@@ skipping 10 matching lines @@
                (beat-count (fraction-divide time-signature beat-length)))
           (if (integer? beat-count)
               (make-list beat-count group-size)
               '()))
         ;; use value obtained from time-signature-settings
         return-value)))
 
 (define-public (beam-exceptions time-signature time-signature-settings)
   "Get @code{beamExceptions} value for @var{time-signature} from
 @var{time-signature-settings}."
-   (get-setting 'beamExceptions time-signature time-signature-settings))
+  (get-setting 'beamExceptions time-signature time-signature-settings))
 
 
 ;;; Functions for overriding time-signature settings
 ;;;
 
 (define (override-property-setting context property setting value)
   "Like the C++ code that executes \\override, but without type
 checking."
   (begin
-     (ly:context-set-property!
-       context
-       property
-       (cons (cons setting value) (ly:context-property context property)))))
+    (ly:context-set-property!
+     context
+     property
+     (cons (cons setting value) (ly:context-property context property)))))
 
 (define (revert-property-setting context property setting)
   "Like the C++ code that executes \revert, but without type
 checking."
 
   (define (entry-count alist entry-key)
     "Count the number of entries in alist with a key of
 ENTRY-KEY."
     (cond
-      ((null? alist) 0)
-      ((equal? (caar alist) entry-key)
-         (+ 1 (entry-count (cdr alist) entry-key)))
-      (else (entry-count (cdr alist) entry-key))))
+     ((null? alist) 0)
+     ((equal? (caar alist) entry-key)
+      (+ 1 (entry-count (cdr alist) entry-key)))
+     (else (entry-count (cdr alist) entry-key))))
 
   (define (revert-member alist entry-key)
     "Return ALIST, with the first entry having a key of
 ENTRY-KEY removed.  ALIST is not modified, instead
 a fresh copy of the list-head is made."
     (cond
-      ((null? alist) '())
-      ((equal? (caar alist) entry-key) (cdr alist))
-      (else (cons (car alist)
-                  (revert-member (cdr alist) entry-key)))))
+     ((null? alist) '())
+     ((equal? (caar alist) entry-key) (cdr alist))
+     (else (cons (car alist)
+                 (revert-member (cdr alist) entry-key)))))
 
   ;; body of revert-property-setting
   (let ((current-value (ly:context-property context property)))
     (if (> (entry-count current-value setting) 0)
         (ly:context-set-property!
-          context
-          property
-          (revert-member current-value setting)))))
+         context
+         property
+         (revert-member current-value setting)))))
 
 (define-public (override-time-signature-setting time-signature setting)
   "Override the time signature settings for the context in
 @var{time-signature}, with the new setting alist @var{setting}."
-    (context-spec-music
-      (make-apply-context
-        (lambda (c) (override-property-setting
-                      c
-                      'timeSignatureSettings
-                      time-signature
-                      setting)))
-      'Timing))
+  (context-spec-music
+   (make-apply-context
+    (lambda (c) (override-property-setting
+                 c
+                 'timeSignatureSettings
+                 time-signature
+                 setting)))
+   'Timing))
 
 (define-public (revert-time-signature-setting time-signature)
   (context-spec-music
-    (make-apply-context
-      (lambda (c)
-        (revert-property-setting
-          c
-          'timeSignatureSettings
-          time-signature)))
-    'Timing))
+   (make-apply-context
+    (lambda (c)
+      (revert-property-setting
+       c
+       'timeSignatureSettings
+       time-signature)))
+   'Timing))
 
 
 
 
 ;;;%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 ;;; Formatting of complex/compound time signatures
 
 (define (insert-markups l m)
   (let ((ll (reverse l)))
     (let join-markups ((markups (list (car ll)))
                        (remaining (cdr ll)))
       (if (pair? remaining)
           (join-markups (cons (car remaining) (cons m markups)) (cdr remaining))
           markups))))
 
 ;;; Use a centered-column inside a left-column, because the centered column
 ;;; moves its reference point to the center, which the left-column undoes.
 (define (format-time-fraction time-sig-fraction)
   (let* ((revargs (reverse (map number->string time-sig-fraction)))
          (den (car revargs))
          (nums (reverse (cdr revargs))))
     (make-override-markup '(baseline-skip . 0)
-      (make-number-markup
-        (make-left-column-markup (list
-          (make-center-column-markup (list
-            (make-line-markup (insert-markups nums "+"))
-            den))))))))
+                          (make-number-markup
+                           (make-left-column-markup (list
+                                                     (make-center-column-markup (list
+                                                                                 (make-line-markup (insert-markups nums "+"))
+                                                                                 den))))))))
 
 (define (format-complex-compound-time time-sig)
   (make-override-markup '(baseline-skip . 0)
-    (make-number-markup
-      (make-line-markup
-        (insert-markups (map format-time-fraction time-sig)
-                        (make-vcenter-markup "+"))))))
+                        (make-number-markup
+                         (make-line-markup
+                          (insert-markups (map format-time-fraction time-sig)
+                                          (make-vcenter-markup "+"))))))
 
 (define-public (format-compound-time time-sig)
   (cond
-    ((not (pair? time-sig)) (null-markup))
-    ((pair? (car time-sig)) (format-complex-compound-time time-sig))
-    (else (format-time-fraction time-sig))))
+   ((not (pair? time-sig)) (null-markup))
+   ((pair? (car time-sig)) (format-complex-compound-time time-sig))
+   (else (format-time-fraction time-sig))))
 
 
 ;;;%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 ;;; Measure length calculation of (possibly complex) compound time signatures
 
 (define (calculate-time-fraction time-sig-fraction)
   (let* ((revargs (reverse time-sig-fraction))
          (den (car revargs))
          (num (apply + (cdr revargs))))
     (ly:make-moment num den)))
 
 (define (calculate-complex-compound-time time-sig)
   (let add-moment ((moment ZERO-MOMENT)
                    (remaining (map calculate-time-fraction time-sig)))
     (if (pair? remaining)
         (add-moment (ly:moment-add moment (car remaining)) (cdr remaining))
         moment)))
 
 (define-public (calculate-compound-measure-length time-sig)
   (cond
-    ((not (pair? time-sig)) (ly:make-moment 4 4))
-    ((pair? (car time-sig)) (calculate-complex-compound-time time-sig))
-    (else (calculate-time-fraction time-sig))))
+   ((not (pair? time-sig)) (ly:make-moment 4 4))
+   ((pair? (car time-sig)) (calculate-complex-compound-time time-sig))
+   (else (calculate-time-fraction time-sig))))
 
 
 ;;;%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 ;;; Base beat length: Use the smallest denominator from all fraction
 
 (define (calculate-compound-base-beat-full time-sig)
   (apply max (map last time-sig)))
 
 (define-public (calculate-compound-base-beat time-sig)
   (ly:make-moment 1
-    (cond
-      ((not (pair? time-sig)) 4)
-      ((pair? (car time-sig)) (calculate-compound-base-beat-full time-sig))
-      (else (calculate-compound-base-beat-full (list time-sig))))))
+                  (cond
+                   ((not (pair? time-sig)) 4)
+                   ((pair? (car time-sig)) (calculate-compound-base-beat-full time-sig))
+                   (else (calculate-compound-base-beat-full (list time-sig))))))
 
 
 ;;;%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 ;;; Beat Grouping
 
 (define (normalize-fraction frac beat)
   (let* ((thisbeat (car (reverse frac)))
          (factor (/ beat thisbeat)))
     (map (lambda (f) (* factor f)) frac)))
 
 (define (beat-grouping-internal time-sig)
   ;; Normalize to given beat, extract the beats and join them to one list
   (let* ((beat (calculate-compound-base-beat-full time-sig))
          (normalized (map (lambda (f) (normalize-fraction f beat)) time-sig))
          (beats (map (lambda (f) (reverse (cdr (reverse f)))) normalized)))
     (apply append beats)))
 
 (define-public (calculate-compound-beat-grouping time-sig)
   (cond
-    ((not (pair? time-sig)) '(2 . 2))
-    ((pair? (car time-sig)) (beat-grouping-internal time-sig))
-    (else (beat-grouping-internal (list time-sig)))))
+   ((not (pair? time-sig)) '(2 . 2))
+   ((pair? (car time-sig)) (beat-grouping-internal time-sig))
+   (else (beat-grouping-internal (list time-sig)))))