(editor-command-template-alist): Add syn

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

diff --git a/scripts/lilypond-invoke-editor.scm b/scripts/lilypond-invoke-editor.scm
index 81cf6f0a4ebe0059094b86cea3acce2944bcdd96..18dff212e652a8616097d3e47408eba1226630a5 100755 (executable)
--- a/scripts/lilypond-invoke-editor.scm
+++ b/scripts/lilypond-invoke-editor.scm
@@ -7,16 +7,31 @@
 ;;;;
 ;;;; (c)  2005 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
+  (or (getenv "LILYPONDPREFIX")
+      (let* ((bindir (dirname (car (command-line))))
+            (prefix (dirname bindir))
+            (lilypond-prefix
+             (if (eq? prefix (dirname DATADIR)) COMPILE-TIME-PREFIX
+                 (format #f "~a/share/lilypond/~a"
+                         prefix TOPLEVEL-VERSION))))
+       lilypond-prefix)))
 
 ;; gettext wrapper for guile < 1.7.2
 (if (defined? 'gettext)
@@ -29,11 +44,11 @@
 (define (show-help port)
   (format port (_ "Usage: lilypond-invoke-editor [textedit://]FILE:LINE: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)
@@ -54,27 +69,55 @@ 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 (dissect-uri uri)
   (let* ((ri "textedit://")
         (file-name:line:column (re-sub ri "" uri))
-        (match (string-match "([^:]+):([^:]+):(.*)" file-name:line:column)))
+        (match (string-match "(.*):([^:]+):(.*)$" file-name:line:column)))
     (if match
-       (list (match:substring match 1)
+       (list (unquote-uri (match:substring match 1))
              (match:substring match 2)
              (match:substring match 3))
        (begin
+         ;; FIXME: why be so strict wrt :LINE:COLUMN,
+         ;; esp. considering omitting textedit:// is explicitly
+         ;; allowed.
          (format (current-error-port) (_ "invalid URI: ~a") uri)
          (newline (current-error-port))
          (format (current-error-port) (_ "expect: ~aFILE:LINE:COLUMN") ri)
          (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 (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))