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Diffstat (limited to 'emacs/elisp/xrdb-mode.el')
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diff --git a/emacs/elisp/xrdb-mode.el b/emacs/elisp/xrdb-mode.el deleted file mode 100644 index 712f0cbf..00000000 --- a/emacs/elisp/xrdb-mode.el +++ /dev/null @@ -1,544 +0,0 @@ -;;; xrdb-mode.el --- mode for editing X resource database files - -;; Copyright (C) 1998,1999,2000 Free Software Foundation, Inc. - -;; Author: 1994-2003 Barry A. Warsaw -;; Maintainer: barry@python.org -;; Created: May 1994 -;; Keywords: data languages - -(defconst xrdb-version "2.31" - "`xrdb-mode' version number.") - -;; 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. - -;;; Commentary: -;; -;; This file provides a major mode for editing X resource database -;; files. It includes font-lock definitions and commands for -;; controlling indentation, re-indenting by subdivisions, and loading -;; and merging into the the resource database. -;; -;; To use, put the following in your .emacs: -;; -;; (autoload 'xrdb-mode "xrdb-mode" "Mode for editing X resource files" t) -;; -;; You may also want something like: -;; -;; (setq auto-mode-alist -;; (append '(("\\.Xdefaults$" . xrdb-mode) -;; ("\\.Xenvironment$" . xrdb-mode) -;; ("\\.Xresources$" . xrdb-mode) -;; ("*.\\.ad$" . xrdb-mode) -;; ) -;; auto-mode-alist)) - -;;; Credits: -;; -;; The database merge feature was inspired by Joel N. Weber II. -;; -;; The canonical Web site for xrdb-mode is -;; <http://www.python.org/emacs/> - -;;; Code: -(require 'custom) - - - -(defgroup xrdb nil - "Support for editing X resource database files" - :group 'languages) - -(defcustom xrdb-mode-hook nil - "*Hook to be run when `xrdb-mode' is entered." - :type 'hook - :group 'xrdb) - -(defcustom xrdb-subdivide-by 'paragraph - "*Default alignment subdivision when re-indenting a region or buffer. -This variable controls how much of the buffer is searched to find a -goal column on which to align. Every non-comment line in the region -defined by this variable is scanned for the first `:' character on the -line, and this character's column is the line's goal column. The -rightmost line goal column in the region is taken as the region's goal -column. - -This variable can take one of the following symbol values: - - `buffer' - All lines in the buffer are scanned. This is the - slowest option. - - `paragraph' - All lines in the paragraph are scanned. Paragraphs - are delimited by blank lines, comment lines, and page - delimiters. - - `page' - All lines in the page are scanned. Pages are delimited - with `page-delimiter', usually ^L (control-L). - - `line' - Only the previous non-comment line is scanned. This is - the fastest method. - -This variable is used by the various indentation commands, and can be -overridden in those commands by using \\[universal-argument]." - :type '(radio (const :tag "Do not subdivide buffer" buffer) - (const :tag "Subdivide by paragraphs" paragraph) - (const :tag "Subdivide by pages" page) - (const :tag "Each line is independent" line)) - :group 'xrdb) - -(defcustom xrdb-compress-whitespace nil - "*Collapse all whitespace to a single space after insertion of `:'." - :type 'boolean - :group 'xrdb) - -(defcustom xrdb-program "xrdb" - "*Program to run to load or merge resources in the X resource database." - :type 'string - :group 'xrdb) - -(defcustom xrdb-program-args '("-merge") - "*List of string arguments to pass to `xrdb-program'." - :type '(repeat string) - :group 'xrdb) - -(defvar xrdb-master-file nil - "If non-nil, merge in the named file instead of the buffer's file. -The intent is to allow you to set this variable in the file's local -variable section, e.g.: - - ! Local Variables: - ! xrdb-master-file: \"Xdefaults\" - ! End: - -so that typing \\[xrdb-database-merge-buffer-or-region] in that buffer -merges the named master file instead of the buffer's file. Note that -if the file name has a relative path, the `default-directory' for the -buffer is prepended to come up with a file name. - -You may also want to set `xrdb-program-args' in the local variables -section as well.") -(make-variable-buffer-local 'xrdb-master-file) - - -;; Non-user customizable -(defconst xrdb-comment-re "^[ \t]*[!]" - "Regular expression describing the beginning of a comment line.") - - - -;; utilities -(defun xrdb-point (position) - ;; Returns the value of point at certain commonly referenced POSITIONs. - ;; POSITION can be one of the following symbols: - ;; - ;; bol -- beginning of line - ;; eol -- end of line - ;; bod -- beginning of defun - ;; boi -- back to indentation - ;; ionl -- indentation of next line - ;; iopl -- indentation of previous line - ;; bonl -- beginning of next line - ;; bopl -- beginning of previous line - ;; bop -- beginning of paragraph - ;; eop -- end of paragraph - ;; bopg -- beginning of page - ;; eopg -- end of page - ;; - ;; This function does not modify point or mark. - (let ((here (point))) - (cond - ((eq position 'bod) (beginning-of-defun)) - ((eq position 'bol) (beginning-of-line)) - ((eq position 'eol) (end-of-line)) - ((eq position 'boi) (back-to-indentation)) - ((eq position 'bonl) (forward-line 1)) - ((eq position 'bopl) (forward-line -1)) - ((eq position 'bop) (forward-paragraph -1)) - ((eq position 'eop) (forward-paragraph 1)) - ((eq position 'bopg) (forward-page -1)) - ((eq position 'eopg) (forward-page 1)) - (t - (error "unknown buffer position requested: %s" position))) - (prog1 - (point) - (goto-char here)) - )) - -(defmacro xrdb-safe (&rest body) - ;; safely execute BODY, return nil if an error occurred - `( (condition-case nil - (progn (,@ body)) - (error nil)))) - -(defsubst xrdb-skip-to-separator () - ;; skip forward from the beginning of the line to the separator - ;; character as given by xrdb-separator-char. Returns t if the - ;; char was found, otherwise, nil. - (beginning-of-line) - (skip-chars-forward "^:" (xrdb-point 'eol)) - (and (eq (char-after) ?:) - (current-column))) - -(defsubst xrdb-in-comment-p (&optional lim) - (let* ((lim (or lim (xrdb-point 'bod))) - (state (parse-partial-sexp lim (point)))) - (nth 4 state))) - -(defsubst xrdb-boi-col () - (let ((here (point))) - (goto-char (xrdb-point 'boi)) - (prog1 - (current-column) - (goto-char here)))) - -(defvar xrdb-prompt-history nil) - -(defun xrdb-prompt-for-subdivision () - (let ((options '(("buffer" . buffer) - ("paragraphs" . paragraph) - ("pages" . page) - ("lines" . line))) - (completion-ignore-case t)) - (cdr (assoc - (completing-read "Subdivide alignment by? " options nil t - (cons (format "%s" xrdb-subdivide-by) 0) - 'xrdb-prompt-history) - options)))) - - -;; commands -(defun xrdb-electric-separator (arg) - "Insert a colon, and possibly indent line. -Numeric argument inserts that many separators. If the numeric -argument is not given, or is 1, and the separator is not inserted in a -comment, then the line is indented according to `xrdb-subdivide-by'." - (interactive "P") - (self-insert-command (prefix-numeric-value arg)) - ;; only do electric behavior if arg is not given - (or arg - (xrdb-in-comment-p) - (xrdb-indent-line)) - ;; compress whitespace - (and xrdb-compress-whitespace - (just-one-space))) - -(defun xrdb-electric-bang (arg) - "Insert an exclamation point to start a comment. -Numeric argument inserts that many exclamation characters. If the -numeric argument is not given, or is 1, and the bang character is the -first character on a line, the line is indented to column zero." - (interactive "P") - (let ((how-many (prefix-numeric-value arg))) - (self-insert-command how-many) - (save-excursion - (if (and (= how-many 1) - (xrdb-in-comment-p) - (memq (char-before (xrdb-point 'boi)) '(?\n nil))) - (indent-line-to 0))) - )) - - -(defun xrdb-indent-line (&optional arg) - "Align the current line according to `xrdb-subdivide-by'. -With optional \\[universal-argument], prompt for subdivision." - (interactive "P") - (xrdb-align-to-column - (xrdb-guess-goal-column (if arg - (xrdb-prompt-for-subdivision) - xrdb-subdivide-by)) - (xrdb-point 'bol) - (xrdb-point 'bonl))) - -(defun xrdb-indent-region (start end &optional arg) - "Indent all lines in the region according to `xrdb-subdivide-by'. -With optional \\[universal-argument], prompt for subdivision." - (interactive "r\nP") - (xrdb-align-to-column - (xrdb-guess-goal-column (if arg - (xrdb-prompt-for-subdivision) - xrdb-subdivide-by)) - start end)) - -(defun xrdb-indent-page (&optional arg) - "Indent all lines in the page according to `xrdb-subdivide-by'. -With optional \\[universal-argument], prompt for subdivision." - (interactive "P") - (xrdb-align-to-column - (xrdb-guess-goal-column (if arg - (xrdb-prompt-for-subdivision) - xrdb-subdivide-by)) - (xrdb-point 'bopg) - (xrdb-point 'eopg))) - -(defun xrdb-indent-paragraph (&optional arg) - "Indent all lines in the paragraph according to `xrdb-subdivide-by'. -With optional \\[universal-argument], prompt for subdivision." - (interactive "P") - (xrdb-align-to-column - (xrdb-guess-goal-column (if arg - (xrdb-prompt-for-subdivision) - xrdb-subdivide-by)) - (xrdb-point 'bop) - (xrdb-point 'eop))) - -(defun xrdb-indent-buffer (&optional arg) - "Indent all lines in the buffer according to `xrdb-subdivide-by'. -With optional \\[universal-argument], prompt for subdivision." - (interactive "P") - (let ((subdivide-by (if arg - (xrdb-prompt-for-subdivision) - xrdb-subdivide-by))) - (save-excursion - (beginning-of-buffer) - (if (eq subdivide-by 'buffer) - (xrdb-align-to-column (xrdb-guess-goal-column 'buffer) - (point-min) (point-max)) - (let (mvfwdfunc indentfunc) - (cond - ((eq subdivide-by 'paragraph) - (setq mvfwdfunc 'forward-paragraph - indentfunc 'xrdb-indent-paragraph)) - ((eq subdivide-by 'page) - (setq mvfwdfunc 'forward-page - indentfunc 'xrdb-indent-page)) - ((eq subdivide-by 'line) - (setq mvfwdfunc 'forward-line - indentfunc 'xrdb-indent-page)) - (t (error "Illegal alignment subdivision: %s" subdivide-by)) - ) - (while (< (point) (point-max)) - (funcall indentfunc) - (funcall mvfwdfunc 1)) - ))))) - - -;; internal alignment functions -(defun xrdb-align-to-column (goalcol &optional start end) - (let ((start (or start (xrdb-point 'bol))) - (end (or end (xrdb-point 'bonl)))) - (save-excursion - (save-restriction - (narrow-to-region start end) - (beginning-of-buffer) - (while (< (point) (point-max)) - (if (and (not (looking-at xrdb-comment-re)) - (xrdb-skip-to-separator)) - (indent-line-to (max 0 (+ goalcol - (- (current-column)) - (xrdb-boi-col)) - ))) - (forward-line 1)) - )))) - -(defun xrdb-guess-goal-column (subdivide-by) - ;; Returns the goal column of the current line based on SUBDIVIDE-BY, - ;; which can be any value allowed by `xrdb-subdivide-by'. - (let ((here (point)) - (goalcol 0)) - (save-restriction - (cond - ((eq subdivide-by 'line) - (while (and (zerop (forward-line -1)) - (or (looking-at xrdb-comment-re) - (not (xrdb-skip-to-separator))))) - ;; maybe we didn't find one - (if (not (xrdb-skip-to-separator)) - (goto-char here)) - (narrow-to-region (xrdb-point 'bol) (xrdb-point 'bonl))) - ((eq subdivide-by 'page) - (narrow-to-page)) - ((eq subdivide-by 'paragraph) - (narrow-to-region (xrdb-point 'bop) (xrdb-point 'eop))) - ((eq subdivide-by 'buffer)) - (t (error "Illegal alignment subdivision: %s" subdivide-by))) - (goto-char (point-min)) - (while (< (point) (point-max)) - (if (and (not (looking-at xrdb-comment-re)) - (xrdb-skip-to-separator)) - (setq goalcol (max goalcol (- (current-column) (xrdb-boi-col))))) - (forward-line 1))) - (goto-char here) - goalcol)) - - - -;; major-mode stuff -(defvar xrdb-mode-abbrev-table nil - "Abbreviation table used in `xrdb-mode' buffers.") -(define-abbrev-table 'xrdb-mode-abbrev-table ()) - - -(defvar xrdb-mode-syntax-table nil - "Syntax table used in `xrdb-mode' buffers.") -(if xrdb-mode-syntax-table - nil - (setq xrdb-mode-syntax-table (make-syntax-table)) - (modify-syntax-entry ?! "<" xrdb-mode-syntax-table) - (modify-syntax-entry ?\\ "\\" xrdb-mode-syntax-table) - (modify-syntax-entry ?\n ">" xrdb-mode-syntax-table) - (modify-syntax-entry ?/ ". 14" xrdb-mode-syntax-table) - (modify-syntax-entry ?* "_ 23" xrdb-mode-syntax-table) - (modify-syntax-entry ?. "_" xrdb-mode-syntax-table) - (modify-syntax-entry ?# "_" xrdb-mode-syntax-table) - (modify-syntax-entry ?? "_" xrdb-mode-syntax-table) - (modify-syntax-entry ?< "(" xrdb-mode-syntax-table) - (modify-syntax-entry ?> ")" xrdb-mode-syntax-table) - ) - - -(defvar xrdb-mode-map () - "Keymap used in `xrdb-mode' buffers.") -(if xrdb-mode-map - () - (setq xrdb-mode-map (make-sparse-keymap)) - ;; make the separator key electric - (define-key xrdb-mode-map ":" 'xrdb-electric-separator) - (define-key xrdb-mode-map "!" 'xrdb-electric-bang) - (define-key xrdb-mode-map "\t" 'xrdb-indent-line) - (define-key xrdb-mode-map "\C-c\C-a" 'xrdb-indent-buffer) - (define-key xrdb-mode-map "\C-c\C-b" 'xrdb-submit-bug-report) - (define-key xrdb-mode-map "\C-c\C-c" 'xrdb-database-merge-buffer-or-region) - (define-key xrdb-mode-map "\C-c\C-p" 'xrdb-indent-paragraph) - (define-key xrdb-mode-map "\C-c\[" 'xrdb-indent-page) - (define-key xrdb-mode-map "\C-c\C-r" 'xrdb-indent-region) - ) - -;;;###autoload -(defun xrdb-mode () - "Major mode for editing xrdb config files" - (interactive) - (kill-all-local-variables) - (set-syntax-table xrdb-mode-syntax-table) - (setq major-mode 'xrdb-mode - mode-name "xrdb" - local-abbrev-table xrdb-mode-abbrev-table) - (use-local-map xrdb-mode-map) - (setq font-lock-defaults '(xrdb-font-lock-keywords)) - ;; local variables - (make-local-variable 'parse-sexp-ignore-comments) - (make-local-variable 'comment-start-skip) - (make-local-variable 'comment-start) - (make-local-variable 'comment-end) - (make-local-variable 'paragraph-start) - (make-local-variable 'paragraph-separate) - (make-local-variable 'paragraph-ignore-fill-prefix) - (make-local-variable 'indent-region-function) - ;; now set their values - (setq parse-sexp-ignore-comments t - comment-start-skip "![ \t]*" - comment-start "! " - comment-end "") - (setq indent-region-function 'xrdb-indent-region - paragraph-ignore-fill-prefix t - paragraph-start (concat "^[ \t]*$\\|^[ \t]*[!]\\|" page-delimiter) - paragraph-separate paragraph-start) - (run-hooks 'xrdb-mode-hook)) - - - -;; faces and font-locking -(defvar xrdb-option-name-face 'xrdb-option-name-face - "Face for option name on a line in an X resource db file") - -(defvar xrdb-option-value-face 'xrdb-option-value-face - "Face for option value on a line in an X resource db file") - -(make-face 'xrdb-option-name-face) -(make-face 'xrdb-option-value-face) - -(defun xrdb-font-lock-mode-hook () - (or (face-differs-from-default-p 'xrdb-option-name-face) - (copy-face 'font-lock-keyword-face 'xrdb-option-name-face)) - (or (face-differs-from-default-p 'xrdb-option-value-face) - (copy-face 'font-lock-string-face 'xrdb-option-value-face)) - (remove-hook 'font-lock-mode-hook 'xrdb-font-lock-mode-hook)) -(add-hook 'font-lock-mode-hook 'xrdb-font-lock-mode-hook) - -(defvar xrdb-font-lock-keywords - (list '("^[ \t]*\\([^\n:]*:\\)[ \t]*\\(.*\\)$" - (1 xrdb-option-name-face) - (2 xrdb-option-value-face))) - "Additional expressions to highlight in X resource db mode.") -(put 'xrdb-mode 'font-lock-defaults '(xrdb-font-lock-keywords)) - - - -;; merging and manipulating the X resource database -(defun xrdb-database-merge-buffer-or-region (start end) - "Merge the current buffer's resources into the X resource database. - -`xrdb-program' is the program to actually call, with the arguments -specified in `xrdb-program-args'. This latter can be set to do either -a merge or a load, etc. Also, if the file local variable -`xrdb-master-file' is non-nil, then it is merged instead of the -buffer's file. - -If the current region is active, it is merged instead of the buffer, -and this overrides any use of `xrdb-master-file'." - (interactive - ;; the idea here is that if the region is inactive, start and end - ;; will be nil, if not passed in programmatically - (list (xrdb-safe (and (mark) (region-beginning))) - (xrdb-safe (and (mark) (region-end))))) - (message "Merging with args: %s..." xrdb-program-args) - (let ((outbuf (get-buffer-create "*Shell Command Output*"))) - ;; I prefer the XEmacs way of doing this, but this is the easiest - ;; way to work in both XEmacs and Emacs. - (with-current-buffer outbuf (erase-buffer)) - (cond - ((and start end) - (apply 'call-process-region start end xrdb-program nil outbuf t - xrdb-program-args)) - (xrdb-master-file - (apply 'call-process xrdb-program xrdb-master-file outbuf t - xrdb-program-args)) - (t - (apply 'call-process-region (point-min) (point-max) xrdb-program - nil outbuf t xrdb-program-args))) - (if (not (zerop (with-current-buffer outbuf (buffer-size)))) - (pop-to-buffer outbuf))) - (message "Merging... done")) - - - -;; submitting bug reports - -(defconst xrdb-mode-help-address "tools-help@python.org" - "Address for xrdb-mode bug reports.") - -(defun xrdb-submit-bug-report () - "Submit via mail a bug report on xrdb-mode." - (interactive) - ;; load in reporter - (require 'reporter) - (let ((reporter-prompt-for-summary-p t) - (varlist '(xrdb-subdivide-by - xrdb-mode-hook - xrdb-compress-whitespace - ))) - (and (if (y-or-n-p "Do you want to submit a report on xrdb-mode? ") - t - (message "") - nil) - (require 'reporter) - (reporter-submit-bug-report - xrdb-mode-help-address - (format "xrdb-mode %s" xrdb-version) - varlist nil nil "Dear Barry,") - ))) - - -(provide 'xrdb-mode) -;;; xrdb-mode.el ends here |