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Diffstat (limited to 'ruby_1_9_3/misc/ruby-electric.el')
| -rw-r--r-- | ruby_1_9_3/misc/ruby-electric.el | 205 |
1 files changed, 0 insertions, 205 deletions
diff --git a/ruby_1_9_3/misc/ruby-electric.el b/ruby_1_9_3/misc/ruby-electric.el deleted file mode 100644 index 6c1ad9a88a..0000000000 --- a/ruby_1_9_3/misc/ruby-electric.el +++ /dev/null @@ -1,205 +0,0 @@ -;; -*-Emacs-Lisp-*- -;; -;; ruby-electric.el --- electric editing commands for ruby files -;; -;; Copyright (C) 2005 by Dee Zsombor <dee dot zsombor at gmail dot com>. -;; Released under same license terms as Ruby. -;; -;; Due credit: this work was inspired by a code snippet posted by -;; Frederick Ros at http://rubygarden.org/ruby?EmacsExtensions. -;; -;; Following improvements where added: -;; -;; - handling of strings of type 'here document' -;; - more keywords, with special handling for 'do' -;; - packaged into a minor mode -;; -;; Usage: -;; -;; 0) copy ruby-electric.el into directory where emacs can find it. -;; -;; 1) modify your startup file (.emacs or whatever) by adding -;; following line: -;; -;; (require 'ruby-electric) -;; -;; note that you need to have font lock enabled beforehand. -;; -;; 2) toggle Ruby Electric Mode on/off with ruby-electric-mode. -;; -;; Changelog: -;; -;; 2005/Jan/14: inserts matching pair delimiters like {, [, (, ', ", -;; ' and | . -;; -;; 2005/Jan/14: added basic Custom support for configuring keywords -;; with electric closing. -;; -;; 2005/Jan/18: more Custom support for configuring characters for -;; which matching expansion should occur. -;; -;; 2005/Jan/18: no longer uses 'looking-back' or regexp character -;; classes like [:space:] since they are not implemented on XEmacs. -;; -;; 2005/Feb/01: explicitly provide default argument of 1 to -;; 'backward-word' as it requires it on Emacs 21.3 -;; -;; 2005/Mar/06: now stored inside ruby CVS; customize pages now have -;; ruby as parent; cosmetic fixes. - - -(require 'ruby-mode) - -(defgroup ruby-electric nil - "Minor mode providing electric editing commands for ruby files" - :group 'ruby) - -(defconst ruby-electric-expandable-do-re - "do\\s-$") - -(defconst ruby-electric-expandable-bar - "\\s-\\(do\\|{\\)\\s-+|") - -(defvar ruby-electric-matching-delimeter-alist - '((?\[ . ?\]) - (?\( . ?\)) - (?\' . ?\') - (?\` . ?\`) - (?\" . ?\"))) - -(defcustom ruby-electric-simple-keywords-re - (regexp-opt '("def" "if" "class" "module" "unless" "case" "while" "do" "until" "for" "begin") t) - "*Regular expresion matching keywords for which closing 'end' -is to be inserted." - :type 'regexp :group 'ruby-electric) - -(defcustom ruby-electric-expand-delimiters-list '(all) - "*List of contexts where matching delimiter should be -inserted. The word 'all' will do all insertions." - :type '(set :extra-offset 8 - (const :tag "Everything" all ) - (const :tag "Curly brace" ?\{ ) - (const :tag "Square brace" ?\[ ) - (const :tag "Round brace" ?\( ) - (const :tag "Quote" ?\' ) - (const :tag "Double quote" ?\" ) - (const :tag "Back quote" ?\` ) - (const :tag "Vertical bar" ?\| )) - :group 'ruby-electric) - -(defcustom ruby-electric-newline-before-closing-bracket nil - "*Controls whether a newline should be inserted before the -closing bracket or not." - :type 'boolean :group 'ruby-electric) - -(define-minor-mode ruby-electric-mode - "Toggle Ruby Electric minor mode. -With no argument, this command toggles the mode. Non-null prefix -argument turns on the mode. Null prefix argument turns off the -mode. - -When Ruby Electric mode is enabled, an indented 'end' is -heuristicaly inserted whenever typing a word like 'module', -'class', 'def', 'if', 'unless', 'case', 'until', 'for', 'begin', -'do'. Simple, double and back quotes as well as braces are paired -auto-magically. Expansion does not occur inside comments and -strings. Note that you must have Font Lock enabled." - ;; initial value. - nil - ;;indicator for the mode line. - " REl" - ;;keymap - ruby-mode-map - (ruby-electric-setup-keymap)) - -(defun ruby-electric-setup-keymap() - (define-key ruby-mode-map " " 'ruby-electric-space) - (define-key ruby-mode-map "{" 'ruby-electric-curlies) - (define-key ruby-mode-map "(" 'ruby-electric-matching-char) - (define-key ruby-mode-map "[" 'ruby-electric-matching-char) - (define-key ruby-mode-map "\"" 'ruby-electric-matching-char) - (define-key ruby-mode-map "\'" 'ruby-electric-matching-char) - (define-key ruby-mode-map "|" 'ruby-electric-bar)) - -(defun ruby-electric-space (arg) - (interactive "P") - (self-insert-command (prefix-numeric-value arg)) - (if (ruby-electric-space-can-be-expanded-p) - (save-excursion - (ruby-indent-line t) - (newline) - (ruby-insert-end)))) - -(defun ruby-electric-code-at-point-p() - (and ruby-electric-mode - (let* ((properties (text-properties-at (point)))) - (and (null (memq 'font-lock-string-face properties)) - (null (memq 'font-lock-comment-face properties)))))) - -(defun ruby-electric-string-at-point-p() - (and ruby-electric-mode - (consp (memq 'font-lock-string-face (text-properties-at (point)))))) - -(defun ruby-electric-is-last-command-char-expandable-punct-p() - (or (memq 'all ruby-electric-expand-delimiters-list) - (memq last-command-char ruby-electric-expand-delimiters-list))) - -(defun ruby-electric-space-can-be-expanded-p() - (if (ruby-electric-code-at-point-p) - (let* ((ruby-electric-keywords-re - (concat ruby-electric-simple-keywords-re "\\s-$")) - (ruby-electric-single-keyword-in-line-re - (concat "\\s-*" ruby-electric-keywords-re))) - (save-excursion - (backward-word 1) - (or (looking-at ruby-electric-expandable-do-re) - (and (looking-at ruby-electric-keywords-re) - (not (string= "do" (match-string 1))) - (progn - (beginning-of-line) - (looking-at ruby-electric-single-keyword-in-line-re)))))))) - - -(defun ruby-electric-curlies(arg) - (interactive "P") - (self-insert-command (prefix-numeric-value arg)) - (if (ruby-electric-is-last-command-char-expandable-punct-p) - (cond ((ruby-electric-code-at-point-p) - (insert " ") - (save-excursion - (if ruby-electric-newline-before-closing-bracket - (newline)) - (insert "}"))) - ((ruby-electric-string-at-point-p) - (if (eq last-command-event ?{) - (save-excursion - (when (not (char-equal ?\# (preceding-char))) - (delete-backward-char) - (insert "#")))) - (save-excursion - (backward-char 1) - (when (char-equal ?\# (preceding-char)) - (forward-char 1) - (insert "}"))))))) - -(defun ruby-electric-matching-char(arg) - (interactive "P") - (self-insert-command (prefix-numeric-value arg)) - (and (ruby-electric-is-last-command-char-expandable-punct-p) - (ruby-electric-code-at-point-p) - (save-excursion - (insert (cdr (assoc last-command-char - ruby-electric-matching-delimeter-alist)))))) - -(defun ruby-electric-bar(arg) - (interactive "P") - (self-insert-command (prefix-numeric-value arg)) - (and (ruby-electric-is-last-command-char-expandable-punct-p) - (ruby-electric-code-at-point-p) - (and (save-excursion (re-search-backward ruby-electric-expandable-bar nil t)) - (= (point) (match-end 0))) ;looking-back is missing on XEmacs - (save-excursion - (insert "|")))) - - -(provide 'ruby-electric) |