X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;ds=sidebyside;f=scm%2Fbackend-library.scm;h=cc689d848273502ada9073aa84e05880d9a82a77;hb=f17f930c0106a871dd8f4c9a69af4457e05fbff7;hp=71ef9096f8e314249dfdd773f0a660918215473a;hpb=0af04b384b79837d4da7b2bab314066c7f947b20;p=lilypond.git

diff --git a/scm/backend-library.scm b/scm/backend-library.scm
index 71ef9096f8..cc689d8482 100644
--- a/scm/backend-library.scm
+++ b/scm/backend-library.scm
@@ -1,14 +1,26 @@
-;;;; backend-library.scm -- helpers for the backends.
+;;;; This file is part of LilyPond, the GNU music typesetter.
 ;;;;
-;;;;  source file of the GNU LilyPond music typesetter
-;;;; 
-;;;; (c) 2005--2009 Jan Nieuwenhuizen <janneke@gnu.org>
+;;;; Copyright (C) 2005--2010 Jan Nieuwenhuizen <janneke@gnu.org>
 ;;;; Han-Wen Nienhuys <hanwen@xs4all.nl>
+;;;;
+;;;; 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,
+;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;;;; GNU General Public License for more details.
+;;;;
+;;;; You should have received a copy of the GNU General Public License
+;;;; along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; 
 ;; backend helpers.
 
 (use-modules (scm ps-to-png)
+	     (scm paper-system)
 	     (ice-9 optargs))
 
 (define-public (ly:system command . rest)
@@ -85,7 +97,7 @@
  -dDEVICEHEIGHTPOINTS=~$"
 					paper-width paper-height)))
 
-	 (cmd (simple-format #f
+	 (cmd (ly:format
 		      "~a\
  ~a\
  ~a\
@@ -113,9 +125,7 @@
     (if (eq? PLATFORM 'windows)
 	(begin
 	  (set! cmd (string-regexp-substitute "=" "#" cmd))
-	  (set! cmd (string-regexp-substitute "-dSAFER " "" cmd))
-	  (if (access? pdf-name W_OK)
-	      (delete-file pdf-name))))
+	  (set! cmd (string-regexp-substitute "-dSAFER " "" cmd))))
 
     (ly:message (_ "Converting to `~a'...") pdf-name)
     (ly:progress "\n")
@@ -140,15 +150,15 @@
 
 (define-public (postprocess-output paper-book module filename formats)
   (let* ((completed (completize-formats formats))
-	 (base (string-regexp-substitute "\\.[a-z]+$" "" filename))
+	 (base (dir-basename filename ".ps" ".eps"))
 	 (intermediate (remove (lambda (x) (member x formats)) completed)))
-    
     (for-each (lambda (f)
 		((eval (string->symbol (format "convert-to-~a" f))
 		       module) paper-book filename)) completed)
     (if (ly:get-option 'delete-intermediate-files)
 	(for-each (lambda (f)
-		    (delete-file (string-append base "." f))) intermediate))))
+		    (if (file-exists? f) (delete-file f)))
+		  (map (lambda (x) (string-append base "." x)) intermediate)))))
 
 (define-public (completize-formats formats)
   (define new-fmts '())
@@ -190,15 +200,46 @@
       scope)))
   (apply string-append (map output-scope scopes)))
 
+(define-public (relevant-book-systems book)
+  (let ((systems (ly:paper-book-systems book)))
+    ;; skip booktitles.
+    (if (and (not (ly:get-option 'include-book-title-preview))
+	     (pair? systems)
+	     (ly:prob-property (car systems) 'is-book-title #f))
+	(cdr systems)
+	systems)))
+
+(define-public (relevant-dump-systems systems)
+  (let ((to-dump-systems '()))
+    (for-each
+      (lambda (sys)
+	(if (or (paper-system-title? sys)
+		(not (pair? to-dump-systems))
+		(paper-system-title? (car to-dump-systems)))
+	    (set! to-dump-systems (cons sys to-dump-systems))))
+      systems)
+    to-dump-systems))
+
+(define missing-stencil-list '())
+
 (define-public (backend-testing output-module)
   (define (missing-stencil-expression name)
-    (apply
-     (if (ly:get-option 'warning-as-error) ly:error ly:warning)
-     (list (_ "missing stencil expression `~S'") name)))
+    (begin
+      (ly:warning (_ "missing stencil expression `~S'") name)
+      ""))
 
   (map (lambda (x)
 	 (if (not (module-defined? output-module x))
-	     (module-define! output-module x
-			     (lambda* (#:optional y . z)
-			       (missing-stencil-expression x)))))
-       (ly:all-stencil-expressions)))
+	     (begin
+	       (module-define! output-module x
+			       (lambda* (#:optional y . z)
+				 (missing-stencil-expression x)))
+	       (set! missing-stencil-list (append (list x)
+						  missing-stencil-list)))))
+       (ly:all-stencil-commands)))
+
+(define-public (remove-stencil-warnings output-module)
+  (for-each
+    (lambda (x)
+      (module-remove! output-module x))
+    missing-stencil-list))