Add editing mode for Emacs, moved from emacs-tools repository to here.

* misc/eselect-mode.el: New file, editing mode for Emacs,
split off from app-emacs/gentoo-syntax.
* misc/Makefile.am (EXTRA_DIST): Add eselect-mode.el.

2 files changed, 130 insertions, 1 deletions

diff --git a/misc/Makefile.am b/misc/Makefile.am
index 626fe95..1933dee 100644
--- a/misc/Makefile.am
+++ b/misc/Makefile.am
@@ -1,2 +1,2 @@
-EXTRA_DIST = eselect.bashcomp
+EXTRA_DIST = eselect.bashcomp eselect-mode.el
 MAINTAINERCLEANFILES = *~ Makefile.in
diff --git a/misc/eselect-mode.el b/misc/eselect-mode.el
new file mode 100644
index 0000000..065ee15
--- /dev/null
+++ b/misc/eselect-mode.el
@@ -0,0 +1,129 @@
+;;; eselect-mode.el --- edit eselect files
+
+;; Copyright 2006-2013 Gentoo Foundation
+
+;; Author: Matthew Kennedy <mkennedy@gentoo.org>
+;;	Diego Pettenò <flameeyes@gentoo.org>
+;;	Christian Faulhammer <fauli@gentoo.org>
+;;	Ulrich Müller <ulm@gentoo.org>
+;; Maintainer: <emacs@gentoo.org>
+;; Keywords: languages
+
+;; This file 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 2 of the License, or
+;; (at your option) any later version.
+
+;; This file 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 GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
+
+;;; Commentary:
+
+;;; Code:
+
+(require 'sh-script)
+(require 'font-lock)
+
+;;; Font-lock.
+
+(defvar eselect-mode-keywords-warn
+  '(("eval")
+    font-lock-warning-face))
+
+(defvar eselect-mode-keywords-core
+  '(("die" "check_do" "do_action" "inherit" "sed")
+    font-lock-type-face))
+
+(defvar eselect-mode-keywords-output
+  '(("write_error_msg" "write_warning_msg" "write_list_start"
+     "write_numbered_list_entry" "write_kv_list_entry"
+     "write_numbered_list" "highlight" "highlight_warning"
+     "highlight_marker" "is_output_mode" "space")
+    font-lock-type-face))
+
+(defvar eselect-mode-keywords-tests
+  '(("has" "is_function" "is_number")
+    font-lock-type-face))
+
+(defvar eselect-mode-keywords-path-manipulation
+  '(("basename" "dirname" "canonicalise" "relative_name")
+    font-lock-type-face))
+
+(defvar eselect-mode-keywords-config
+  '(("store_config" "load_config" "append_config")
+    font-lock-type-face))
+
+(defvar eselect-mode-keywords-multilib
+  '(("list_libdirs")
+    font-lock-type-face))
+
+(defvar eselect-mode-keywords-package-manager
+  '(("arch" "envvar" "best_version" "has_version" "get_repositories"
+     "get_repo_news_dir")
+    font-lock-type-face))
+
+(defun eselect-mode-make-keywords-list (keywords-list face
+						      &optional prefix suffix)
+  ;; based on `generic-make-keywords-list' from generic.el
+  ;; Note: XEmacs doesn't have generic.el
+  (unless (listp keywords-list)
+    (error "Keywords argument must be a list of strings"))
+  (cons (concat prefix "\\<"
+		(regexp-opt keywords-list t)
+		"\\>" suffix)
+	face))
+
+(defvar eselect-mode-font-lock-keywords
+  (mapcar
+   (lambda (x) (apply 'eselect-mode-make-keywords-list x))
+   (list
+    eselect-mode-keywords-warn
+    eselect-mode-keywords-core
+    eselect-mode-keywords-output
+    eselect-mode-keywords-tests
+    eselect-mode-keywords-path-manipulation
+    eselect-mode-keywords-config
+    eselect-mode-keywords-multilib
+    eselect-mode-keywords-package-manager)))
+
+;;; Mode definitions.
+
+(defun eselect-mode-before-save ()
+  ;;(delete-trailing-whitespace)	; doesn't exist in XEmacs
+  (save-excursion
+    (goto-char (point-min))
+    (while (re-search-forward "[ \t]+$" nil t)
+      (delete-region (match-beginning 0) (point))))
+  ;; return nil, otherwise the file is presumed to be written
+  nil)
+
+;;;###autoload
+(define-derived-mode eselect-mode shell-script-mode "Eselect"
+  "Major mode for .eselect files."
+  (if (featurep 'xemacs)
+      (make-local-hook 'write-contents-hooks))
+  (add-hook 'write-contents-hooks 'eselect-mode-before-save t t)
+  (sh-set-shell "bash")
+  (setq tab-width 4)
+  (setq indent-tabs-mode t))
+
+(add-hook 'eselect-mode-hook
+	  (lambda () (font-lock-add-keywords
+		      nil eselect-mode-font-lock-keywords)))
+
+
+;;;###autoload
+(add-to-list 'auto-mode-alist '("\\.eselect\\'" . eselect-mode))
+
+(provide 'eselect-mode)
+
+;; Local Variables:
+;; coding: utf-8
+;; End:
+
+;;; eselect-mode.el ends here