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-rw-r--r--tag-emacs/emacs.d/elisp/php-electric.el218
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-;; -*- Emacs-Lisp -*-
-;;
-;; php-electric.el --- electric submode for the php-mode
-;;
-;; Version: 1.0
-;; Release-Date: Sunday 04 March 2007
-;;
-;; Copyright (C) 2007
-;;   by Nikolay V. Nemshilov aka St. <nemshilov dog gmail . com>
-;;
-;;
-;; License
-;;
-;; This program 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 program 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 this program; if not, write to the Free Software
-;; Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
-;;
-;;
-;; Features:
-;;   * autocompletion of the language contructions
-;;     such as if, for, foreach, etc blocks,
-;;
-;;   * autocompletion of classes, interfaces and functions
-;;     definitions
-;;
-;;   * autocompletion of the paired symbols, like [], (), "",''
-;;
-;;
-;; Usage:
-;;   Nothing magical, just place the file in a directory where
-;;   Emacs can find it, and write
-;;
-;;   (require 'php-electric)
-;;
-;;   in your configuration files ~/.emacs or wherever you keep it.
-;;   Then you can switch on/off the mode by the following command
-;;
-;;   M-x php-electric-mode <RET>
-;;
-;;   If you like to have it switched on automatically, you should
-;;   put the command in your php-mode hook or create new one,
-;;   like that
-;;
-;;   (add-hook 'php-mode-hook '(lambda () (php-electric-mode)))
-;;
-;;   That's it.
-;;
-;;
-;; Changelog:
-;;   Sunday 04 March 2007
-;;     The first version 1.0 has been came out.
-;;
-
-(defgroup php-electric nil
-  "Minor php-electric mode"
-  :group 'php)
-
-;; list of keywords which expandible by the {} pair
-(defconst php-electric-expandible-simple-re
-  "\\(try\\|else\\|do\\)")
-
-;; list of keywords which expandible with the (){} construction
-(defconst php-electric-expandible-as-struct-re
-  "\\(while\\|for\\|foreach\\|if\\|elseif\\|catch\\)")
-
-;; list of keywords which expandible with the name(){} construction
-(defconst php-electric-expandible-as-func-re
-  "\\(function\\)")
-
-;; list of keywords which expandible with the name{} construction
-(defconst php-electric-expandible-as-class-re
-  "\\(class\\|interface\\)")
-
-;; list of the paired chars
-(defvar php-electric-matching-delimeter-alist
-  '((?\[ . ?\])
-    (?\( . ?\))
-    (?\" . ?\")
-    (?\' . ?\')))
-
-;; the minor-mode definition
-(define-minor-mode php-electric-mode
-  "Minor electric-mode for the php-mode"
-  nil
-  "-El"
-  php-mode-map
-  (php-electric-keymap))
-
-;; list of accessible keys
-(defun php-electric-keymap()
-  (define-key php-mode-map " " 'php-electric-space)
-  (define-key php-mode-map "{" 'php-electric-curlies)
-  (define-key php-mode-map "(" 'php-electric-brackets)
-  (define-key php-mode-map "[" 'php-electric-matching-char)
-  (define-key php-mode-map "\"" 'php-electric-matching-char)
-  (define-key php-mode-map "\'" 'php-electric-matching-char))
-
-;; handler for the spaces insertions
-(defun php-electric-space(arg)
-  (interactive "P")
-  (self-insert-command (prefix-numeric-value arg))
-  (if (php-electric-is-code-at-point-p)
-      (if (php-electric-line-is-simple-expandible)
-	  ;; inserting just a pair of curleis
-	  (progn
-	    (insert "{")(php-electric-insert-new-line-and-statement-end))
-	(if (php-electric-line-is-expandible-as-struct)
-	    ;; inserting a structure definition
-	    (progn
-	      (if (not (char-equal ?\( (preceding-char)))
-		  ;; cmd () {  - style construction
-		  (progn
-		    (insert "(")(set-register 98 (point-marker))(insert ") {"))
-
-		;; cmd(  ){ - style construction
-		(progn
-		  (insert " ")(set-register 98 (point-marker))(insert " ){")))
-	      (php-electric-insert-new-line-and-statement-end)
-	      (jump-to-register 98)(set-register 98 nil))
-	  (if (php-electric-line-is-expandible-as-func)
-	      ;; inserting the function expanding
-	      (save-excursion
-		(insert "(){")(php-electric-insert-new-line-and-statement-end))
-	    (if (php-electric-line-is-expandible-as-class)
-		;; inserting the class expanding
-		(save-excursion
-		  (insert "{")(php-electric-insert-new-line-and-statement-end))))))))
-
-;; handler for the { chars
-(defun php-electric-curlies(arg)
-  (interactive "P")
-  (self-insert-command (prefix-numeric-value arg))
-  (if (php-electric-is-code-at-point-p)
-      (progn
-	(php-electric-insert-new-line-and-statement-end))))
-
-;; handler for the ( chars
-(defun php-electric-brackets(arg)
-  (interactive "P")
-
-  (if (php-electric-is-code-at-point-p)
-      ;; checking if it's a statement
-      (if (php-electric-line-is-expandible-as-struct)
-	  (progn (php-electric-space arg))
-	(progn (php-electric-matching-char arg)))
-    (self-insert-command (prefix-numeric-value arg))))
-
-;; handler for the paired chars, [], (), "", ''
-(defun php-electric-matching-char(arg)
-  (interactive "P")
-  (self-insert-command (prefix-numeric-value arg))
-  (if (php-electric-is-code-at-point-p)
-      (save-excursion
-	(insert (cdr (assoc last-command-char
-			    php-electric-matching-delimeter-alist))))))
-
-;; checks if the current pointer situated in a piece of code
-(defun php-electric-is-code-at-point-p()
-  (and php-electric-mode
-       (let* ((properties (text-properties-at (point))))
-	 (and (null (memq 'font-lock-string-face properties))
-	      (null (memq 'font-lock-comment-face properties))))))
-
-;; checks if the current line expandible with a simple {} construction
-(defun php-electric-line-is-simple-expandible()
-  (let* ((php-electric-expandible-simple-real-re
-	  (concat php-electric-expandible-simple-re "\\s-$")))
-    (save-excursion
-      (backward-word 1)
-      (looking-at php-electric-expandible-simple-real-re))))
-
-;; checks if the current line expandible with the (){} construction
-(defun php-electric-line-is-expandible-as-struct()
-  (let* ((php-electric-expandible-as-struct-real-re
-	  (concat php-electric-expandible-as-struct-re "[ ]*$"))
-	 (php-electric-expandible-as-struct-with-bracket-re
-	  (concat php-electric-expandible-as-struct-re "($")))
-    (save-excursion
-      (backward-word 1)
-      (or (looking-at php-electric-expandible-as-struct-real-re)
-	  (looking-at php-electric-expandible-as-struct-with-bracket-re)))))
-
-;; checks if the current line expandible with the name(){} construction
-(defun php-electric-line-is-expandible-as-func()
-  (let* ((php-electric-expandible-as-func-real-re
-	  (concat php-electric-expandible-as-func-re "\\s-$")))
-    (save-excursion
-      (backward-word 1)
-      (looking-at php-electric-expandible-as-func-real-re))))
-
-;; checks if the current line expandible with the name{} construction
-(defun php-electric-line-is-expandible-as-class()
-  (let* ((php-electric-expandible-as-class-real-re
-	  (concat php-electric-expandible-as-class-re "\\s-$")))
-    (save-excursion
-      (backward-word 1)
-      (looking-at php-electric-expandible-as-class-real-re))))
-
-;; "shortcut" to insert \n} construction
-(defun php-electric-insert-new-line-and-statement-end()
-  (newline-and-indent)(set-register 99 (point-marker))
-  (insert "\n}")(indent-according-to-mode)
-  (jump-to-register 99)(set-register 99 nil))
-
-
-(provide 'php-electric)
-
-;; end of the file
\ No newline at end of file