From 0d1b48e9ff0dbb51be0f875130f63239ab86f228 Mon Sep 17 00:00:00 2001 From: Juri Linkov Date: Wed, 12 Aug 2009 20:30:31 +0000 Subject: [PATCH] Move code that deals with adding/deleting file/directory-local variables to files-x.el. --- lisp/files.el | 413 -------------------------------------------------- 1 file changed, 413 deletions(-) diff --git a/lisp/files.el b/lisp/files.el index ae28ee2610f..5f256a016ca 100644 --- a/lisp/files.el +++ b/lisp/files.el @@ -3406,419 +3406,6 @@ and `file-local-variables-alist', without applying them." (push elt dir-local-variables-alist)) (hack-local-variables-filter variables dir-name))))))) - -;;; Commands to add/delete file-local/directory-local variables. - -(defun read-file-local-variable (prompt) - "Read file-local variable using PROMPT and completion. -Intended to be used in the `interactive' spec of -`add-file-local-variable', `delete-file-local-variable', -`add-dir-local-variable', `delete-dir-local-variable'." - (let (default variable) - (setq default (variable-at-point)) - (setq default (and (symbolp default) (boundp default) - (symbol-name default))) - (setq variable - (completing-read - (if default - (format "%s (default %s): " prompt default) - (format "%s: " prompt)) - obarray - (lambda (sym) - (or (user-variable-p sym) - (memq sym '(mode eval coding unibyte)))) - nil nil nil default nil)) - (and (stringp variable) (intern variable)))) - -(defun read-file-local-variable-value (variable) - "Read value of file-local VARIABLE using completion. -Intended to be used in the `interactive' spec of -`add-file-local-variable' and `add-dir-local-variable'." - (let (default value) - (cond - ((eq variable 'mode) - (setq default (and (symbolp major-mode) (symbol-name major-mode))) - (setq value - (completing-read - (if default - (format "Add %s with value (default %s): " variable default) - (format "Add %s with value: " variable)) - obarray - (lambda (sym) - (and (string-match-p "-mode\\'" (symbol-name sym)) - (not (string-match-p "-minor-mode\\'" (symbol-name sym))))) - nil nil nil default nil)) - (and (stringp value) - (intern (replace-regexp-in-string "-mode\\'" "" value)))) - ((eq variable 'eval) - (let ((minibuffer-completing-symbol t)) - (read-from-minibuffer (format "Add %s with expression: " variable) - nil read-expression-map t - 'read-expression-history))) - ((eq variable 'coding) - (setq default (and (symbolp buffer-file-coding-system) - (symbol-name buffer-file-coding-system))) - (read-coding-system - (if default - (format "Add %s with value (default %s): " variable default) - (format "Add %s with value: " variable)) - default)) - (t - (read (read-string (format "Add %s with value: " variable) - nil 'set-variable-value-history - (format "%S" (symbol-value variable)))))))) - -(defun read-file-local-variable-mode () - "Read per-directory file-local variable's mode using completion. -Intended to be used in the `interactive' spec of -`add-dir-local-variable', `delete-dir-local-variable'." - (let* ((default (and (symbolp major-mode) (symbol-name major-mode))) - (mode - (completing-read - (if default - (format "Mode or subdirectory (default %s): " default) - (format "Mode or subdirectory: ")) - obarray - (lambda (sym) - (and (string-match-p "-mode\\'" (symbol-name sym)) - (not (string-match-p "-minor-mode\\'" (symbol-name sym))))) - nil nil nil default nil))) - (cond - ((equal mode "nil") nil) - ((and (stringp mode) (fboundp (intern mode))) (intern mode)) - (t mode)))) - -(defun modify-file-local-variable (variable value op) - "Modify file-local VARIABLE in Local Variables depending on operation OP. - -If OP is `add-or-replace' then delete all existing settings of -VARIABLE (except `mode' and `eval') and add a new file-local VARIABLE -with VALUE to the Local Variables list. - -If there is no Local Variables list in the current file buffer and OP -is not `delete' then this function adds the first line containing the -string `Local Variables:' and the last line containing the string `End:'. - -If OP is `delete' then delete all existing settings of VARIABLE -from the Local Variables list ignoring the input argument VALUE." - (catch 'exit - (let ((beg (point)) end replaced-pos) - (unless enable-local-variables - (throw 'exit (message "File-local variables are disabled"))) - - ;; Look for "Local variables:" line in last page. - (widen) - (goto-char (point-max)) - (search-backward "\n\^L" (max (- (point-max) 3000) (point-min)) 'move) - - ;; Add "Local variables:" list if not found. - (unless (let ((case-fold-search t)) - (search-forward "Local Variables:" nil t)) - - ;; Don't add "Local variables:" list for the deletion operation. - (when (eq op 'delete) - (throw 'exit (progn (goto-char beg) - (message "Local Variables not found")))) - - (goto-char (point-max)) - (let ((comment-style 'plain) - (comment-start (or comment-start ";;; "))) - (comment-region - (prog1 (setq beg (point)) - (insert "\nLocal Variables:\nEnd:\n")) - (point))) - - (unless (let ((case-fold-search t)) - (goto-char beg) - (search-forward "Local Variables:" nil t)) - (throw 'exit (message "Can't add file-local variables")))) - - ;; prefix is what comes before "local variables:" in its line. - ;; suffix is what comes after "local variables:" in its line. - (let* ((prefix (buffer-substring (line-beginning-position) - (match-beginning 0))) - (suffix (buffer-substring (point) (line-end-position))) - (prefix-re (concat "^" (regexp-quote prefix))) - (suffix-re (concat (regexp-quote suffix) "$"))) - - ;; Find or add missing "End:". - (forward-line 1) - (setq beg (point)) - (save-excursion - (unless (let ((case-fold-search t)) - (re-search-forward - (concat prefix-re "[ \t]*End:[ \t]*" suffix-re) - nil t)) - (save-excursion - (insert (format "%sEnd:%s\n" prefix suffix)))) - (beginning-of-line) - (setq end (point-marker))) - - ;; Find and delete all existing variable/value pairs. - (when (member op '(add-or-replace delete)) - (if (and (eq op 'add-or-replace) (memq variable '(mode eval))) - (goto-char end) - (goto-char beg) - (while (re-search-forward - (format "%s%S:.*%s" prefix-re variable suffix-re) end t) - (delete-region (match-beginning 0) (1+ (match-end 0))) - (setq replaced-pos (point))))) - - ;; Add a new variable/value pair. Add `mode' to the start, add new - ;; variable to the end, and add a replaced variable to its last location. - (when (eq op 'add-or-replace) - (cond - ((eq variable 'mode) (goto-char beg)) - ((null replaced-pos) (goto-char end)) - (replaced-pos (goto-char replaced-pos))) - (insert (format "%s%S: %S%s\n" prefix variable value suffix))))))) - -(defun add-file-local-variable (variable value) - "Add file-local VARIABLE with its VALUE to the Local Variables list. - -This command deletes all existing settings of VARIABLE (except `mode' -and `eval') and adds a new file-local VARIABLE with VALUE to the -Local Variables list. - -If there is no Local Variables list in the current file buffer -then this function adds the first line containing the string -`Local Variables:' and the last line containing the string `End:'." - (interactive - (let ((variable (read-file-local-variable "Add file-local variable"))) - (list variable (read-file-local-variable-value variable)))) - (modify-file-local-variable variable value 'add-or-replace)) - -(defun delete-file-local-variable (variable) - "Delete all settings of file-local VARIABLE from the Local Variables list." - (interactive - (list (read-file-local-variable "Delete file-local variable"))) - (modify-file-local-variable variable nil 'delete)) - -(defun modify-file-local-variable-prop-line (variable value op) - "Modify file-local VARIABLE in the -*- line depending on operation OP. - -If OP is `add-or-replace' then delete all existing settings of -VARIABLE (except `mode' and `eval') and add a new file-local VARIABLE -with VALUE to the -*- line. - -If there is no -*- line at the beginning of the current file buffer -and OP is not `delete' then this function adds the -*- line. - -If OP is `delete' then delete all existing settings of VARIABLE -from the -*- line ignoring the input argument VALUE." - (catch 'exit - (let ((beg (point)) end replaced-pos) - (unless enable-local-variables - (throw 'exit (message "File-local variables are disabled"))) - - ;; Find the -*- line at the beginning of the current buffer. - (widen) - (goto-char (point-min)) - (setq end (set-auto-mode-1)) - - (if end - (setq beg (point) end (copy-marker end)) - - ;; Add the -*- line if not found. - ;; Don't add the -*- line for the deletion operation. - (when (eq op 'delete) - (throw 'exit (progn (goto-char beg) - (message "The -*- line not found")))) - - (goto-char (point-min)) - - ;; Skip interpreter magic line "#!" - (when (looking-at "^\\(#!\\|'\\\\\"\\)") - (forward-line 1)) - - (let ((comment-style 'plain) - (comment-start (or comment-start ";;; "))) - (comment-region - (prog1 (point) - (insert "-*-") - (setq beg (point-marker)) - (setq end (point-marker)) - (insert "-*-\n")) - (point)))) - - (cond - ((looking-at "[ \t]*\\([^ \t\n\r:;]+\\)\\([ \t]*-\\*-\\)") - ;; Simple form: "-*- MODENAME -*-". - (if (eq variable 'mode) - ;; Replace or delete MODENAME - (progn - (when (member op '(add-or-replace delete)) - (delete-region (match-beginning 1) (match-end 1))) - (when (eq op 'add-or-replace) - (goto-char (match-beginning 1)) - (insert (format "%S" value)))) - ;; Else, turn `MODENAME' into `mode:MODENAME' - ;; and add `;VARIABLE:VALUE' - (goto-char (match-beginning 2)) - (insert (format "; %S: %S " variable value)) - (goto-char (match-beginning 1)) - (insert " mode: "))) - - (t - ;; Hairy form: '-*-' [ ':' ';' ]* '-*-' - ;; Find and delete all existing variable/value pairs. - (when (member op '(add-or-replace delete)) - (if (and (eq op 'add-or-replace) (memq variable '(mode eval))) - (goto-char end) - (goto-char beg) - (while (< (point) end) - (or (looking-at "[ \t]*\\([^ \t\n:]+\\)[ \t]*:[ \t]*") - (throw 'exit (message "Malformed -*- line"))) - (goto-char (match-end 0)) - (let ((key (intern (match-string 1))) - (val (save-restriction - (narrow-to-region (point) end) - (let ((read-circle nil)) - (read (current-buffer)))))) - (skip-chars-forward " \t;") - (when (eq key variable) - (delete-region (match-beginning 0) (point)) - (setq replaced-pos (point))))))) - ;; Add a new variable/value pair. Add `mode' to the start, add new - ;; variable to the end, and add a replaced variable to its last location. - (when (eq op 'add-or-replace) - (cond - ((eq variable 'mode) (goto-char beg)) - ((null replaced-pos) (goto-char end) (insert "; ")) - (replaced-pos (goto-char replaced-pos))) - (insert (format "%S: %S" variable value)) - (cond - ((eq variable 'mode) (insert "; ")) - (replaced-pos (insert "; ") )))))))) - -(defun add-file-local-variable-prop-line (variable value) - "Add file-local VARIABLE with its VALUE to the -*- line. - -This command deletes all existing settings of VARIABLE (except `mode' -and `eval') and adds a new file-local VARIABLE with VALUE to -the -*- line. - -If there is no -*- line at the beginning of the current file buffer -then this function adds it." - (interactive - (let ((variable (read-file-local-variable "Add -*- file-local variable"))) - (list variable (read-file-local-variable-value variable)))) - (modify-file-local-variable-prop-line variable value 'add-or-replace)) - -(defun delete-file-local-variable-prop-line (variable) - "Delete all settings of file-local VARIABLE from the -*- line." - (interactive - (list (read-file-local-variable "Delete -*- file-local variable"))) - (modify-file-local-variable-prop-line variable nil 'delete)) - -(defun modify-dir-local-variable (mode variable value op) - "Modify directory-local VARIABLE in .dir-locals.el depending on operation OP. - -If OP is `add-or-replace' then delete all existing settings of -VARIABLE (except `mode' and `eval') and add a new directory-local VARIABLE -with VALUE to the MODE alist where MODE can be a mode name symbol or -a subdirectory name. - -If .dir-locals.el was not found and OP is not `delete' then create -this file in the current directory. - -If OP is `delete' then delete all existing settings of VARIABLE -from the the MODE alist ignoring the input argument VALUE." - (catch 'exit - (unless enable-local-variables - (throw 'exit (message "Directory-local variables are disabled"))) - - (let ((variables-file (or (and (buffer-file-name) - (not (file-remote-p (buffer-file-name))) - (dir-locals-find-file (buffer-file-name))) - dir-locals-file)) - variables) - - ;; Don't create ".dir-locals.el" for the deletion operation. - (when (and (eq op 'delete) - (not (file-exists-p variables-file))) - (throw 'exit (message "File .dir-locals.el not found"))) - - (let ((auto-insert nil)) - (find-file variables-file)) - (widen) - (goto-char (point-min)) - - ;; Read alist of directory-local variables. - (ignore-errors - (delete-region - (prog1 (point) - (setq variables (let ((read-circle nil)) - (read (current-buffer))))) - (point))) - - ;; Add or replace variable in alist of directory-local variables. - (let ((mode-assoc (assoc mode variables))) - (if mode-assoc - (setq variables - (cons (cons mode - (if (eq op 'delete) - (assq-delete-all variable (cdr mode-assoc)) - (cons - (cons variable value) - (if (memq variable '(mode eval)) - (cdr mode-assoc) - (assq-delete-all variable (cdr mode-assoc)))))) - (assq-delete-all mode variables))) - (setq variables - (cons `(,mode . ((,variable . ,value))) - variables)))) - - ;; Insert modified alist of directory-local variables. - (insert ";;; Directory Local Variables\n") - (insert ";;; See Info node `(emacs) Directory Variables' for more information.\n\n") - (pp (sort variables - (lambda (a b) - (cond - ((null (car a)) t) - ((null (car b)) nil) - ((and (symbolp (car a)) (stringp (car b))) t) - ((and (symbolp (car b)) (stringp (car a))) nil) - (t (string< (car a) (car b)))))) - (current-buffer))))) - -(defun add-dir-local-variable (mode variable value) - "Add directory-local VARIABLE with its VALUE and MODE to .dir-locals.el." - (interactive - (let (variable) - (list - (read-file-local-variable-mode) - (setq variable (read-file-local-variable "Add directory-local variable")) - (read-file-local-variable-value variable)))) - (modify-dir-local-variable mode variable value 'add-or-replace)) - -(defun delete-dir-local-variable (mode variable) - "Delete all MODE settings of file-local VARIABLE from .dir-locals.el." - (interactive - (list - (read-file-local-variable-mode) - (read-file-local-variable "Delete directory-local variable"))) - (modify-dir-local-variable mode variable nil 'delete)) - -(defun copy-file-locals-to-dir-locals () - "Copy file-local variables to .dir-locals.el." - (interactive) - (dolist (elt file-local-variables-alist) - (unless (assq (car elt) dir-local-variables-alist) - (add-dir-local-variable major-mode (car elt) (cdr elt))))) - -(defun copy-dir-locals-to-file-locals () - "Copy directory-local variables to the Local Variables list." - (interactive) - (dolist (elt dir-local-variables-alist) - (add-file-local-variable (car elt) (cdr elt)))) - -(defun copy-dir-locals-to-file-locals-prop-line () - "Copy directory-local variables to the the -*- line." - (interactive) - (dolist (elt dir-local-variables-alist) - (add-file-local-variable-prop-line (car elt) (cdr elt)))) - (defcustom change-major-mode-with-file-name t "Non-nil means \\[write-file] should set the major mode from the file name. -- 2.39.2