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;;;; This file is part of LilyPond, the GNU music typesetter. | |
;;;; | |
;;;; Copyright (C) 2005--2020 Jan Nieuwenhuizen <[email protected]> | |
;;;; | |
;;;; 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/>. | |
(define-module (scm editor)) | |
;; Also for standalone use, so cannot include any lily modules. | |
(use-modules | |
(ice-9 regex) | |
(srfi srfi-13) | |
(srfi srfi-14)) | |
(define PLATFORM | |
(string->symbol | |
(string-downcase | |
(car (string-tokenize (vector-ref (uname) 0) char-set:letter))))) | |
(define (get-editor) | |
(or (getenv "LYEDITOR") | |
(getenv "XEDITOR") | |
(getenv "EDITOR") | |
;; FIXME: how are default/preferred editors specified on | |
;; different platforms? | |
(case PLATFORM | |
((windows) "lilypad") | |
(else | |
"emacs")))) | |
;; A bunch of stuff stolen from Emacs | |
(define (w32-using-nt) | |
"Return non-nil if running on a Windows NT descendant. | |
That includes all Windows systems except for 9X/Me." | |
(getenv "SystemRoot")) | |
(define (w32-shell-name) | |
"Return the name of the shell being used." | |
(or (getenv "SHELL") | |
(and (w32-using-nt) "cmd.exe") | |
"command.com")) | |
(define w32-system-shells '("cmd" "cmd.exe" "command" "command.com" | |
"4nt" "4nt.exe" "4dos" "4dos.exe" | |
"tcc" "tcc.exe" "ndos" "ndos.exe")) | |
(define (w32-system-shell-p shell-name) | |
(and shell-name | |
(member (string-downcase | |
(basename shell-name)) | |
w32-system-shells))) | |
(define (w32-shell-dos-semantics) | |
"Return non-nil if the interactive shell being used expects MS-DOS shell semantics." | |
(or (w32-system-shell-p (w32-shell-name)) | |
(and (member (string-downcase (basename (w32-shell-name))) | |
'("cmdproxy" "cmdproxy.exe")) | |
(w32-system-shell-p (getenv "COMSPEC"))))) | |
(define-public (shell-quote-argument argument) | |
"Quote ARGUMENT for passing as argument to an inferior shell. | |
This function is designed to work with the syntax of your system's | |
standard shell, and might produce incorrect results with unusual shells. | |
See Info node `(elisp)Security Considerations'." | |
(cond | |
((and (eq? PLATFORM 'windows) (w32-shell-dos-semantics)) | |
;; First, quote argument so that CommandLineToArgvW will | |
;; understand it. See | |
;; http://msdn.microsoft.com/en-us/library/17w5ykft%28v=vs.85%29.aspx | |
;; After we perform that level of quoting, escape shell | |
;; metacharacters so that cmd won't mangle our argument. If the | |
;; argument contains no double quote characters, we can just | |
;; surround it with double quotes. Otherwise, we need to prefix | |
;; each shell metacharacter with a caret. | |
(set! argument | |
;; escape backslashes at end of string | |
(regexp-substitute/global | |
#f | |
"(\\\\+)$" | |
;; escape backslashes and quotes in string body | |
(regexp-substitute/global | |
#f | |
"(\\\\*)\"" | |
argument | |
'pre 1 1 "\\\"" 'post) | |
'pre 1 1 'post)) | |
(if (string-match "[%!\"]" argument) | |
(string-append | |
"^\"" | |
(regexp-substitute/global | |
#f | |
"[%!()\"<>&|^]" | |
argument | |
'pre "^" 0 'post) | |
"^\"") | |
(string-append "\"" argument "\""))) | |
(else | |
(if (string-null? argument) | |
"''" | |
;; Quote everything except POSIX filename characters. | |
;; This should be safe enough even for really weird shells. | |
(regexp-substitute/global | |
#f | |
"\n" | |
(regexp-substitute/global | |
#f | |
;;; "[^-0-9a-zA-Z_./\n]" Negative ranges are too dangerous since | |
;;; their UTF-8 implications aren't clear: we don't want | |
;;; characters outside the ASCII range quoted since it is not | |
;;; clear whether we need to quote bytes or characters. So we just | |
;;; invert the above regexp pattern for Posix characters manually. | |
"[\x01-\x09\x0b-,:-@[-^{-\x7f]" | |
argument | |
'pre "\\" 0 'post) | |
'pre "'\n'" 'post))) | |
)) | |
(define editor-command-template-alist | |
'(("atom" . "atom %(file)s:%(line)s:%(column)s") | |
("emacs" . "emacsclient --no-wait +%(line)s:%(column)s %(file)s || (emacs +%(line)s:%(column)s %(file)s&)") | |
("geany" . "geany --line %(line)s --column %(column)s %(file)s") | |
("gedit" . "gedit --wait %(file)s +%(line)s:%(column)s") | |
("gvim" . "gvim --remote +:%(line)s:norm%(column)s %(file)s") | |
("jedit" . "jedit -reuseview %(file)s +line:%(line)s") | |
("kate" . "kate --block --line %(line)s --column %(column)s %(file)s") | |
("lilypad" . "lilypad +%(line)s:%(char)s %(file)s") | |
("nedit" . "nc -noask +%(line)s %(file)s") | |
("syn" . "syn -line %(line)s -col %(char)s %(file)s") | |
("uedit32" . "uedit32 %(file)s -l%(line)s -c%(char)s"))) | |
(define (get-command-template alist editor) | |
(define (get-command-template-helper) | |
(if (null? alist) | |
(if (string-match "%\\(file\\)s" editor) | |
editor | |
(string-append editor " %(file)s")) | |
(if (string-match (caar alist) editor) | |
(cdar alist) | |
(get-command-template (cdr alist) editor)))) | |
(if (string-match "%\\(file\\)s" editor) | |
editor | |
(get-command-template-helper))) | |
(define (re-sub re sub string) | |
(regexp-substitute/global #f re string 'pre sub 'post)) | |
(define (slashify x) | |
(if (string-index x #\/) | |
x | |
(re-sub "\\\\" "/" x))) | |
(define-public (get-editor-command file-name line char column) | |
(let* ((editor (get-editor)) | |
(template (get-command-template editor-command-template-alist editor)) | |
(command | |
(re-sub "%\\(file\\)s" (shell-quote-argument file-name) | |
(re-sub "%\\(line\\)s" (format #f "~a" line) | |
(re-sub "%\\(char\\)s" (format #f "~a" char) | |
(re-sub | |
"%\\(column\\)s" (format #f "~a" column) | |
(slashify template))))))) | |
command)) | |