;;; filecache.el --- find files using a pre-loaded cache
-;; Copyright (C) 1996, 2000-2012 Free Software Foundation, Inc.
+;; Copyright (C) 1996, 2000-2014 Free Software Foundation, Inc.
;; Author: Peter Breton <pbreton@cs.umb.edu>
;; Created: Sun Nov 10 1996
;; Functions to add files to the cache
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+(defun file-cache--read-list (file op-prompt)
+ (let* ((fun (if file 'read-file-name 'read-directory-name))
+ (type (if file "file" "directory"))
+ (prompt-1 (concat op-prompt " " type ": "))
+ (prompt-2 (concat op-prompt " another " type "?"))
+ (continue t)
+ result)
+ (while continue
+ (push (funcall fun prompt-1 nil nil t) result)
+ (setq continue (y-or-n-p prompt-2)))
+ (nreverse result)))
+
;;;###autoload
(defun file-cache-add-directory (directory &optional regexp)
- "Add DIRECTORY to the file cache.
-If the optional REGEXP argument is non-nil, only files which match it will
-be added to the cache."
- (interactive "DAdd files from directory: ")
+ "Add all files in DIRECTORY to the file cache.
+If called from Lisp with a non-nil REGEXP argument is non-nil,
+only add files whose names match REGEXP."
+ (interactive (list (read-directory-name "Add files from directory: "
+ nil nil t)
+ nil))
;; Not an error, because otherwise we can't use load-paths that
;; contain non-existent directories.
- (if (not (file-accessible-directory-p directory))
- (message "Directory %s does not exist" directory)
+ (when (file-accessible-directory-p directory)
(let* ((dir (expand-file-name directory))
(dir-files (directory-files dir t regexp)))
;; Filter out files we don't want to see
(dolist (file dir-files)
- (if (file-directory-p file)
- (setq dir-files (delq file dir-files))
- (dolist (regexp file-cache-filter-regexps)
- (if (string-match regexp file)
- (setq dir-files (delq file dir-files))))))
+ (if (file-directory-p file)
+ (setq dir-files (delq file dir-files))
+ (dolist (regexp file-cache-filter-regexps)
+ (if (string-match regexp file)
+ (setq dir-files (delq file dir-files))))))
(file-cache-add-file-list dir-files))))
;;;###autoload
-(defun file-cache-add-directory-list (directory-list &optional regexp)
- "Add DIRECTORY-LIST (a list of directory names) to the file cache.
+(defun file-cache-add-directory-list (directories &optional regexp)
+ "Add DIRECTORIES (a list of directory names) to the file cache.
+If called interactively, read the directory names one by one.
If the optional REGEXP argument is non-nil, only files which match it
will be added to the cache. Note that the REGEXP is applied to the
files in each directory, not to the directory list itself."
- (interactive "XAdd files from directory list: ")
- (mapcar
- (lambda (dir) (file-cache-add-directory dir regexp))
- directory-list))
-
-(defun file-cache-add-file-list (file-list)
- "Add FILE-LIST (a list of files names) to the file cache."
- (interactive "XFile List: ")
- (mapcar 'file-cache-add-file file-list))
+ (interactive (list (file-cache--read-list nil "Add")))
+ (dolist (dir directories)
+ (file-cache-add-directory dir regexp))
+ (let ((n (length directories)))
+ (message "Filecache: cached file names from %d director%s."
+ n (if (= n 1) "y" "ies"))))
+
+(defun file-cache-add-file-list (files)
+ "Add FILES (a list of file names) to the file cache.
+If called interactively, read the file names one by one."
+ (interactive (list (file-cache--read-list t "Add")))
+ (dolist (f files)
+ (file-cache-add-file f))
+ (let ((n (length files)))
+ (message "Filecache: cached %d file name%s."
+ n (if (= n 1) "" "s"))))
;; Workhorse function
(defun file-cache-add-file (file)
"Add FILE to the file cache."
(interactive "fAdd File: ")
- (if (not (file-exists-p file))
- (message "Filecache: file %s does not exist" file)
- (let* ((file-name (file-name-nondirectory file))
- (dir-name (file-name-directory file))
- (the-entry (assoc-string
- file-name file-cache-alist
- file-cache-ignore-case)))
- ;; Does the entry exist already?
- (if the-entry
- (if (or (and (stringp (cdr the-entry))
- (string= dir-name (cdr the-entry)))
- (and (listp (cdr the-entry))
- (member dir-name (cdr the-entry))))
- nil
- (setcdr the-entry (cons dir-name (cdr the-entry))))
- ;; If not, add it to the cache
- (push (list file-name dir-name) file-cache-alist)))))
+ (setq file (file-truename file))
+ (unless (file-exists-p file)
+ (error "Filecache: file %s does not exist" file))
+ (let* ((file-name (file-name-nondirectory file))
+ (dir-name (file-name-directory file))
+ (the-entry (assoc-string file-name file-cache-alist
+ file-cache-ignore-case)))
+ (cond ((null the-entry)
+ ;; If the entry wasn't in the cache, add it.
+ (push (list file-name dir-name) file-cache-alist)
+ (if (called-interactively-p 'interactive)
+ (message "Filecache: cached file name %s." file)))
+ ((not (member dir-name (cdr the-entry)))
+ (setcdr the-entry (cons dir-name (cdr the-entry)))
+ (if (called-interactively-p 'interactive)
+ (message "Filecache: cached file name %s." file)))
+ (t
+ (if (called-interactively-p 'interactive)
+ (message "Filecache: %s is already cached." file))))))
;;;###autoload
(defun file-cache-add-directory-using-find (directory)
;; This clears *all* files with the given name
(defun file-cache-delete-file (file)
- "Delete FILE from the file cache."
+ "Delete FILE (a relative file name) from the file cache.
+Return nil if FILE was not in the file cache, non-nil otherwise."
(interactive
(list (completing-read "Delete file from cache: " file-cache-alist)))
- (setq file-cache-alist
- (delq (assoc-string file file-cache-alist file-cache-ignore-case)
- file-cache-alist)))
-
-(defun file-cache-delete-file-list (file-list)
- "Delete FILE-LIST (a list of files) from the file cache."
- (interactive "XFile List: ")
- (mapcar 'file-cache-delete-file file-list))
+ (let ((elt (assoc-string file file-cache-alist file-cache-ignore-case)))
+ (setq file-cache-alist (delq elt file-cache-alist))
+ elt))
+
+(defun file-cache-delete-file-list (files &optional message)
+ "Delete FILES (a list of files) from the file cache.
+If called interactively, read the file names one by one.
+If MESSAGE is non-nil, or if called interactively, print a
+message reporting the number of file names deleted."
+ (interactive (list (file-cache--read-list t "Uncache") t))
+ (let ((n 0))
+ (dolist (f files)
+ (if (file-cache-delete-file f)
+ (setq n (1+ n))))
+ (when message
+ (message "Filecache: uncached %d file name%s."
+ n (if (= n 1) "" "s")))))
(defun file-cache-delete-file-regexp (regexp)
"Delete files matching REGEXP from the file cache."
(dolist (elt file-cache-alist)
(and (string-match regexp (car elt))
(push (car elt) delete-list)))
- (file-cache-delete-file-list delete-list)
- (message "Filecache: deleted %d files from file cache"
- (length delete-list))))
+ (file-cache-delete-file-list delete-list)))
(defun file-cache-delete-directory (directory)
"Delete DIRECTORY from the file cache."
(interactive "DDelete directory from file cache: ")
(let ((dir (expand-file-name directory))
- (result 0))
+ (n 0))
(dolist (entry file-cache-alist)
(if (file-cache-do-delete-directory dir entry)
- (setq result (1+ result))))
- (if (zerop result)
- (error "Filecache: no entries containing %s found in cache" directory)
- (message "Filecache: deleted %d entries" result))))
+ (setq n (1+ n))))
+ (message "Filecache: uncached %d file name%s."
+ n (if (= n 1) "" "s"))))
(defun file-cache-do-delete-directory (dir entry)
(let ((directory-list (cdr entry))
(delq entry file-cache-alist))
(setcdr entry (delete directory directory-list))))))
-(defun file-cache-delete-directory-list (directory-list)
- "Delete DIRECTORY-LIST (a list of directories) from the file cache."
- (interactive "XDirectory List: ")
- (mapcar 'file-cache-delete-directory directory-list))
+(defun file-cache-delete-directory-list (directories)
+ "Delete DIRECTORIES (a list of directory names) from the file cache.
+If called interactively, read the directory names one by one."
+ (interactive (list (file-cache--read-list nil "Uncache")))
+ (dolist (d directories)
+ (file-cache-delete-directory d)))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Utility functions
(append completion-setup-hook
(list 'file-cache-completion-setup-function))))
(with-output-to-temp-buffer file-cache-completions-buffer
- (display-completion-list completion-list string))))
+ (display-completion-list
+ (completion-hilit-commonality completion-list
+ (length string))))))
(setq file-cache-string (file-cache-file-name completion-string))
(if (string= file-cache-string (minibuffer-contents))
(minibuffer-message file-cache-sole-match-message)
"*File Cache Files Matching*")))
(erase-buffer)
(insert
- (mapconcat
- 'identity
- results
- "\n"))
+ (mapconcat #'identity results "\n"))
(goto-char (point-min))
(display-buffer buf)))
HCoop / bpt / emacs.git / blobdiff