;;; Commentary:
;; PURPOSE:
-;; This package features a function called ff-find-other-file, which performs
-;; the following function:
+;; This package features a function called ff-find-other-file, which performs
+;; the following function:
;;
;; When in a .c file, find the first corresponding .h file in a set
;; of directories and display it, and vice-versa from the .h file.
;; to find that file.
;;
;; THE "OTHER FILE", or "corresponding file", generally has the same basename,
-;; and just has a different extension as described by the ff-other-file-alist
+;; and just has a different extension as described by the ff-other-file-alist
;; variable:
;;
;; '(("\\.cc$" (".hh" ".h"))
;; '(("\\.cc$" cc-function)
;; ("\\.hh$" hh-function))
;;
-;; These functions must return a list consisting of the possible names of the
-;; corresponding file, with or without path. There is no real need for more
+;; These functions must return a list consisting of the possible names of the
+;; corresponding file, with or without path. There is no real need for more
;; than one function, and one could imagine the following value for cc-other-
;; file-alist:
;;
;;
;; If the file was not found, ff-find-other-file will prompt you for where
;; to create the new "corresponding file" (defaults to the current directory),
-;; unless the variable ff-always-try-to-create is set to nil.
+;; unless the variable ff-always-try-to-create is set to nil.
;;
-;; GIVEN AN ARGUMENT (with the ^U prefix), ff-find-other-file will get the
-;; other file in another (the other?) window (see find-file-other-window and
-;; switch-to-buffer-other-window). This can be set on a more permanent basis
-;; by setting ff-always-in-other-window to t in which case the ^U prefix will
+;; GIVEN AN ARGUMENT (with the ^U prefix), ff-find-other-file will get the
+;; other file in another (the other?) window (see find-file-other-window and
+;; switch-to-buffer-other-window). This can be set on a more permanent basis
+;; by setting ff-always-in-other-window to t in which case the ^U prefix will
;; do the opposite of what was described above.
;;
;; THERE ARE FIVE AVAILABLE HOOKS, called in this order if non-nil:
;; - ff-post-load-hooks - called just after the other file is 'loaded'
;;
;; The *load-hooks allow you to place point where you want it in the other
-;; file.
-
-;;; Change Log:
-;;
-;; FEEDBACK:
-;; Please send me bug reports, bug fixes, and extensions, so that I can
-;; merge them into the master source.
+;; file.
;; CREDITS:
;; Many thanks go to TUSC Computer Systems Pty Ltd for providing an environ-
;; Many thanks also go to all those who provided valuable feedback throughout
;; the development of this package:
;; Rolf Ebert in particular, Fritz Knabe, Heddy Boubaker, Sebastian Kremer,
-;; Vasco Lopes Paulo, Mark A. Plaksin, Robert Lang, Trevor West, Kevin
+;; Vasco Lopes Paulo, Mark A. Plaksin, Robert Lang, Trevor West, Kevin
;; Pereira, Benedict Lofstedt & Justin Vallon.
;;; Code:
(defgroup ff nil
"Find a file corresponding to this one given a pattern."
:prefix "ff-"
+ :link '(emacs-commentary-link "find-file")
:group 'find-file)
(defcustom ff-pre-find-hooks nil
:type 'boolean
:group 'ff)
-(defvar ff-special-constructs
+(defvar ff-special-constructs
'(
;; C/C++ include, for NeXTSTEP too
("^\#\\s *\\(include\\|import\\)\\s +[<\"]\\(.*\\)[>\"]" .
(setq fname (concat (ada-make-filename-from-adaname fname)
ada-spec-suffix))))
)
- "*A list of regular expressions specifying how to recognise special
-constructs such as include files etc, and an associated method for
-extracting the filename from that construct.")
+ "*A list of regular expressions for `ff-find-file'.
+Specifies how to recognise special constructs such as include files
+etc. and an associated method for extracting the filename from that
+construct.")
(defcustom ff-other-file-alist 'cc-other-file-alist
"*Alist of extensions to find given the current file's extension.
longer the list, the longer it'll take to realise that a file
may not exist.
-A typical format is
+A typical format is
'(\".\" \"/usr/include\" \"$PROJECT/*/include\")
;;;###autoload
(defun ff-get-other-file (&optional in-other-window)
"Find the header or source file corresponding to this file.
-See also the documentation for `ff-find-other-file;.
+See also the documentation for `ff-find-other-file'.
If optional IN-OTHER-WINDOW is non-nil, find the file in another window."
(interactive "P")
Variables of interest include:
- - ff-case-fold-search
- Non-nil means ignore cases in matches (see case-fold-search).
+ - `ff-case-fold-search'
+ Non-nil means ignore cases in matches (see `case-fold-search').
If you have extensions in different cases, you will want this to be nil.
- - ff-always-in-other-window
+ - `ff-always-in-other-window'
If non-nil, always open the other file in another window, unless an
- argument is given to ff-find-other-file.
+ argument is given to `ff-find-other-file'.
- - ff-ignore-include
+ - `ff-ignore-include'
If non-nil, ignores #include lines.
- - ff-always-try-to-create
+ - `ff-always-try-to-create'
If non-nil, always attempt to create the other file if it was not found.
- - ff-quiet-mode
+ - `ff-quiet-mode'
If non-nil, traces which directories are being searched.
- - ff-special-constructs
- A list of regular expressions specifying how to recognise special
- constructs such as include files etc, and an associated method for
+ - `ff-special-constructs'
+ A list of regular expressions specifying how to recognise special
+ constructs such as include files etc, and an associated method for
extracting the filename from that construct.
- - ff-other-file-alist
+ - `ff-other-file-alist'
Alist of extensions to find given the current file's extension.
- - ff-search-directories
+ - `ff-search-directories'
List of directories searched through with each extension specified in
- ff-other-file-alist that matches this file's extension.
+ `ff-other-file-alist' that matches this file's extension.
- - ff-pre-find-hooks
+ - `ff-pre-find-hooks'
List of functions to be called before the search for the file starts.
- - ff-pre-load-hooks
+ - `ff-pre-load-hooks'
List of functions to be called before the other file is loaded.
- - ff-post-load-hooks
+ - `ff-post-load-hooks'
List of functions to be called after the other file is loaded.
- - ff-not-found-hooks
+ - `ff-not-found-hooks'
List of functions to be called if the other file could not be found.
- - ff-file-created-hooks
+ - `ff-file-created-hooks'
List of functions to be called if the other file has been created."
(interactive "P")
(let ((ignore ff-ignore-include))
alist ;; working copy of the list of file extensions
pathname ;; the pathname of the file or the #include line
default-name ;; file we should create if none found
- format ;; what we have to match
- found ;; name of the file or buffer found - nil if none
+ format ;; what we have to match
+ found ;; name of the file or buffer found - nil if none
dirs ;; local value of ff-search-directories
no-match) ;; whether we know about this kind of file
action (car (cdr match))
found nil)
- ;; if we have a function to generate new names,
+ ;; if we have a function to generate new names,
;; invoke it with the name of the current file
(if (and (atom action) (fboundp action))
(progn
default-name (car suffixes)))
;; otherwise build our filename stub
- (cond
+ (cond
;; get around the problem that 0 and nil both mean false!
((= pos 0)
(concat stub (car (car (cdr match))))))
;; do the real work - find the file
- (setq found
+ (setq found
(ff-get-file dirs
stub
- suffixes
+ suffixes
in-other-window)))))
(cond
(no-match ;; could not even determine the other file
(message ""))
- (t
+ (t
(cond
((not found) ;; could not find the other file
(if ff-not-found-hooks ;; run the hooks
(run-hooks 'ff-not-found-hooks))
- (cond
+ (cond
(ff-always-try-to-create ;; try to create the file
(let (name pathname)
found)) ;; return buffer-name or filename
-(defun ff-get-file (search-dirs fname-stub &optional suffix-list other-window)
- "Find a file in the SEARCH-DIRS with the given FILENAME (or filename stub).
-If (optional) SUFFIXES is nil, search for fname, otherwise search for fname
-with each of the given suffixes. Gets the file or the buffer corresponding
-to the name of the first file found, or nil.
-
-Arguments: (search-dirs fname-stub &optional suffix-list in-other-window)
-"
- (let ((filename (ff-get-file-name search-dirs fname-stub suffix-list)))
+(defun ff-get-file (search-dirs filename &optional suffix-list other-window)
+ "Find a file in the SEARCH-DIRS with the given FILENAME (or filename stub).
+If (optional) SUFFIX-LIST is nil, search for fname, otherwise search
+for fname with each of the given suffixes. Get the file or the buffer
+corresponding to the name of the first file found, or nil."
+ (let ((filename (ff-get-file-name search-dirs filename suffix-list)))
- (cond
+ (cond
((not filename)
nil)
nil))))
(defun ff-get-file-name (search-dirs fname-stub &optional suffix-list)
- "Find a file in the SEARCH-DIRS with the given FILENAME (or filename stub).
-If (optional) SUFFIXES is nil, search for fname, otherwise search for fname
-with each of the given suffixes. Returns the name of the first file found.
-
-Arguments: (search-dirs fname-stub &optional suffix-list)
-"
+ "Find a file in SEARCH-DIRS with the given name (or stub) FNAME-STUB.
+If (optional) SUFFIX-LIST is nil, search for FNAME-STUB, otherwise
+search for FNAME-STUB with each of the given suffixes. Return the
+name of the first file found."
(let* (dirs ;; working copy of dirs to search
dir ;; the current dir considered
file ;; filename being looked for
;; if dir does not contain '/*', look for the file
(if (and dir (not (string-match "\\([^*]*\\)/\\\*\\(/.*\\)*" dir)))
- (progn
+ (progn
;; suffixes is nil => fname-stub is the file we are looking for
;; otherwise fname-stub is a stub, and we append a suffix
(setq search-list (reverse list))))
(defun ff-treat-as-special ()
- "Returns the file to look for if the construct was special, else nil.
+ "Return the file to look for if the construct was special, else nil.
The construct is defined in the variable `ff-special-constructs'."
(let* (fname
(list ff-special-constructs)
fname))
(defun ff-basename (string)
- "Return the basename of PATHNAME."
+ "Return the basename of pathname STRING."
(setq string (concat "/" string))
(string-match ".*/\\([^/]+\\)$" string)
(setq string (substring string (match-beginning 1) (match-end 1))))
F1 and F2 are typically `find-file' / `find-file-other-window'
or `switch-to-buffer' / `switch-to-buffer-other-window' function pairs.
-If optional NEW-FILE is t, then a special hook (`ff-file-created-hooks') is
+If optional NEW-FILE is t, then a special hook (`ff-file-created-hooks') is
called before `ff-post-load-hooks'."
(if ff-pre-load-hooks
(run-hooks 'ff-pre-load-hooks))
(defun ff-find-file (file &optional in-other-window new-file)
"Like `find-file', but may show the file in another window."
- (ff-switch-file 'find-file
- 'find-file-other-window
+ (ff-switch-file 'find-file
+ 'find-file-other-window
file in-other-window new-file))
(defun ff-switch-to-buffer (buffer-or-name &optional in-other-window)
"Like `switch-to-buffer', but may show the buffer in another window."
- (ff-switch-file 'switch-to-buffer
- 'switch-to-buffer-other-window
+ (ff-switch-file 'switch-to-buffer
+ 'switch-to-buffer-other-window
buffer-or-name in-other-window nil))
-(defun ff-goto-click (event)
- (set-buffer (window-buffer (posn-window (event-end event))))
- (goto-char (posn-point (event-end event))))
-
;;;###autoload
(defun ff-mouse-find-other-file (event)
"Visit the file you click on."
(interactive "e")
(save-excursion
- (ff-goto-click event)
+ (mouse-set-point event)
(ff-find-other-file nil)))
;;;###autoload
(defun ff-mouse-find-other-file-other-window (event)
- "Visit the file you click on."
+ "Visit the file you click on in another window."
(interactive "e")
(save-excursion
- (ff-goto-click event)
+ (mouse-set-point event)
(ff-find-other-file t)))
-(provide 'find-file)
-
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; This section offers an example of user defined function to select files
(defun ff-upcase-p (string &optional start end)
- "Return t if this string is all uppercase.
+ "Return t if STRING is all uppercase.
Given START and/or END, checks between these characters."
(let (match str)
(if (not start)
(if (= start end)
(setq end (1+ end)))
(setq str (substring string start end))
- (if (and
+ (if (and
(ff-string-match "[A-Z]+" str)
(setq match (match-data))
(= (car match) 0)
Build up a new file list based possibly on part of the directory name
and the name of the file passed in."
(ff-string-match "\\(.*\\)/\\([^/]+\\)/\\([^.]+\\).\\([^/]+\\)$" arg)
- (let ((path (if (match-beginning 1)
+ (let ((path (if (match-beginning 1)
(substring arg (match-beginning 1) (match-end 1)) nil))
- (dire (if (match-beginning 2)
+ (dire (if (match-beginning 2)
(substring arg (match-beginning 2) (match-end 2)) nil))
- (file (if (match-beginning 3)
+ (file (if (match-beginning 3)
(substring arg (match-beginning 3) (match-end 3)) nil))
- (extn (if (match-beginning 4)
+ (extn (if (match-beginning 4)
(substring arg (match-beginning 4) (match-end 4)) nil))
return-list)
(cond
;; fooZapJunk.cc => ZapJunk.{hh,h} or fooZapJunk.{hh,h}
- ((and (string= extn "cc")
+ ((and (string= extn "cc")
(ff-string-match "^\\([a-z]+\\)\\([A-Z].+\\)$" file))
(let ((stub (substring file (match-beginning 2) (match-end 2))))
(setq dire (upcase (substring file (match-beginning 1) (match-end 1))))
;; FOO/ZapJunk.hh => fooZapJunk.{cc,C} or ZapJunk.{cc,C}
((and (string= extn "hh") (ff-upcase-p dire) file)
(let ((stub (concat (downcase dire) file)))
- (setq return-list (list (concat stub ".cc")
+ (setq return-list (list (concat stub ".cc")
(concat stub ".C")
(concat file ".cc")
(concat file ".C")))
(setq return-list (list (concat stub ".cc")
(concat stub ".C")))
))
- (t
+ (t
nil))
return-list))
(goto-char (point-min))
(search-forward ff-function-name nil t))))
-;; find-file.el ends here
+(provide 'find-file)
+;;; find-file.el ends here