* The grand 2005-2006 replace.

[lilypond.git] / scripts / lilypond-invoke-editor.scm

diff --git a/scripts/lilypond-invoke-editor.scm b/scripts/lilypond-invoke-editor.scm
index 81cf6f0a4ebe0059094b86cea3acce2944bcdd96..b07304e232cea1fda9d0d005a58929899d3f228b 100755 (executable)
--- a/scripts/lilypond-invoke-editor.scm
+++ b/scripts/lilypond-invoke-editor.scm
@@ -5,18 +5,37 @@
 ;;;;
 ;;;; source file of the GNU LilyPond music typesetter
 ;;;;
-;;;; (c)  2005 Jan Nieuwenhuizen <janneke@gnu.org>
+;;;; (c) 2005--2006 Jan Nieuwenhuizen <janneke@gnu.org>
+
+;; gui debug helper
+;; (define (exit x) (system "sleep 10"))
 
 (use-modules
  (ice-9 getopt-long)
- (ice-9 regex))
+ (ice-9 regex)
+ (srfi srfi-13)
+ (srfi srfi-14))
 
 (define PROGRAM-NAME "lilypond-invoke-editor")
 (define TOPLEVEL-VERSION "@TOPLEVEL_VERSION@")
-(define DATADIR "@DATADIR@")
+(define DATADIR "@datadir@")
 (define COMPILE-TIME-PREFIX
   (format #f "~a/lilypond/~a" DATADIR TOPLEVEL-VERSION))
-(define LILYPONDPREFIX (or (getenv "LILYPONDPREFIX") COMPILE-TIME-PREFIX))
+
+;; argv0 relocation -- do in wrapper?
+
+
+(define LILYPONDPREFIX
+  (let* ((prefix
+         (or (getenv "LILYPONDPREFIX")
+             (dirname  (dirname (car (command-line)))))))
+    
+
+    (if (eq? prefix (dirname DATADIR)) COMPILE-TIME-PREFIX
+       (format #f "~a/share/lilypond/~a"
+               prefix TOPLEVEL-VERSION))))
+
+
 
 ;; gettext wrapper for guile < 1.7.2
 (if (defined? 'gettext)
@@ -27,13 +46,13 @@
   (format port "~a (GNU LilyPond) ~a \n" PROGRAM-NAME TOPLEVEL-VERSION))
 
 (define (show-help port)
-  (format port (_ "Usage: lilypond-invoke-editor [textedit://]FILE:LINE:COLUMN
+  (format port (_ "Usage: lilypond-invoke-editor [textedit://]FILE:LINE:CHAR:COLUMN
 
-Visit a file and position the cursor
+Visit a file and position the cursor.
 
 Options:
-  -h,--help          show this help
-  -v,--version       show version
+  -h, --help          show this help
+  -v, --version       show version
 ")))
 
 (define (parse-options args)
@@ -54,34 +73,76 @@ Options:
 (define (re-sub re sub string)
   (regexp-substitute/global #f re string 'pre sub 'post))
 
+;; FIXME: I'm going slowly but certainly mad; I really cannot find the
+;; scm library function for this.
+(define (unquote-uri uri)
+  (re-sub "%([A-Fa-f0-9]{2})"
+         (lambda (m)
+           (string (integer->char (string->number (match:substring m 1) 16))))
+         uri))
+
+(define (is-textedit-uri? uri)
+  (string-match "^textedit://" uri))
+  
+  
 (define (dissect-uri uri)
-  (let* ((ri "textedit://")
-        (file-name:line:column (re-sub ri "" uri))
-        (match (string-match "([^:]+):([^:]+):(.*)" file-name:line:column)))
+  (let* ((match (string-match "textedit://(.*):([^:]+):([^:]+):(.*)$" uri)))
     (if match
-       (list (match:substring match 1)
+       (list (unquote-uri (match:substring match 1))
              (match:substring match 2)
-             (match:substring match 3))
+             (match:substring match 3)
+             (match:substring match 4))
        (begin
-         (format (current-error-port) (_ "invalid URI: ~a") uri)
+         (format (current-error-port) (_ "invalid textedit URI: ~a") uri)
          (newline (current-error-port))
-         (format (current-error-port) (_ "expect: ~aFILE:LINE:COLUMN") ri)
+         (format (current-error-port) (_ "expect: textedit://FILE:LINE:CHAR:COLUMN"))
          (newline (current-error-port))
          (exit 1)))))
-        
+
+(define PLATFORM
+  (string->symbol
+   (string-downcase
+    (car (string-tokenize (vector-ref (uname) 0) char-set:letter)))))
+
+(define (running-from-gui?)
+  (let ((have-tty? (isatty? (current-input-port))))
+    ;; If no TTY and not using safe, assume running from GUI.
+    (not have-tty?)))
+
+(define (run-editor uri)
+  (let*
+      ((command (apply get-editor-command (dissect-uri uri)))
+       (status (system command)))
+    (if (not (= status 0))
+       (begin
+         (format (current-error-port)
+                 (_ "failed to invoke editor: ~a") command)
+         (exit 1)))))
+
+(define (run-browser uri)
+  (system
+   (if (getenv "BROWSER")
+       (format "~a ~a" (getenv "BROWSER") uri)
+       (format #f "firefox -remote 'OpenURL(~a,new-tab)'" uri))))
+
 (define (main args)
   (let ((files (parse-options args)))
+    (if (running-from-gui?)
+       (redirect-port (current-error-port)
+                      (open-file (string-append
+                                  (or (getenv "TMP")
+                                      (getenv "TEMP")
+                                      "/tmp")
+                                  "/lilypond-invoke-editor.log") "a")))
     (if (not (= (length files) 1))
        (begin
          (show-help (current-error-port))
-         (exit 1)))
+         (exit 2)))
     (set! %load-path (cons LILYPONDPREFIX %load-path))
     (primitive-eval '(use-modules (scm editor)))
-    (let* ((uri (car files))
-          (command (apply get-editor-command (dissect-uri uri)))
-          (status (system command)))
-      (if (not (= status 0))
-         (begin
-           (format (current-error-port)
-                   (_ "failed to invoke editor: ~a") command)
-           (exit 1))))))
+
+    (let* ((uri (car files)))
+      (if (is-textedit-uri? uri)
+         (run-editor uri)
+         (run-browser uri)))))
+