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;;; mk-project.el --- Lightweight project handling
;; Copyright (C) 2010 Matt Keller <mattkeller at gmail dot com>
;; 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, 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
;; General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
;;; Commentary:
;; Quickly switch between projects and perform operations on a
;; per-project basis. A 'project' in this sense is a directory of
;; related files, usually a directory of source files. Projects are
;; defined in pure elisp with the 'project-def' function. No
;; mk-project-specific files are required in the project's base
;; directory.
;; More information about this library, including the most recent
;; version and a comprehensive README, is available at
;;; Code:
(require 'grep)
(require 'thingatpt)
(require 'cl)
(defvar mk-proj-version "1.5.1"
"As tagged at")
;; ---------------------------------------------------------------------
;; Project Variables
;; These variables are set when a project is loaded and nil'd out when
;; unloaded. These symbols are the same as defined in the 2nd parameter
;; to project-def except for their "mk-proj-" prefix.
;; ---------------------------------------------------------------------
(defvar mk-proj-name nil
"Name of the current project. Required. First argument to project-def.")
(defvar mk-proj-basedir nil
"Base directory of the current project. Required. Value is expanded with
expand-file-name. Example: ~me/my-proj/.")
(defvar mk-proj-src-patterns nil
"List of shell patterns to include in the TAGS file. Optional. Example:
'(\"*.java\" \"*.jsp\").
This value is not used when `mk-proj-src-find-cmd' is set.")
(defvar mk-proj-ignore-patterns nil
"List of shell patterns to avoid searching for with project-find-file and
project-grep. Optional. Example: '(\"*.class\").
This value is not used in indexing when `mk-proj-index-find-cmd'
is set -- or in grepping when `mk-proj-grep-find-cmd' is set.")
(defvar mk-proj-ack-args nil
"String of arguments to pass to the `ack' command. Optional.
Example: \"--java\".")
(defvar mk-proj-vcs nil
"When set to one of the VCS types in `mk-proj-vcs-path', grep
and index commands will ignore the VCS's private files (e.g.,
.CVS/). Example: 'git.
This value is not used in indexing when `mk-proj-index-find-cmd'
is set -- or in grepping when `mk-proj-grep-find-cmd' is set.")
; TODO: support multiple tags file via tags-table-list
(defvar mk-proj-tags-file nil
"Path to the TAGS file for this project. Optional. Use an absolute path,
not one relative to basedir. Value is expanded with expand-file-name.")
(defvar mk-proj-compile-cmd nil
"Command to build the entire project. Can be either a string specifying
a shell command or the name of a function. Optional. Example: make -k.")
(defvar mk-proj-startup-hook nil
"Hook function to run after the project is loaded. Optional. Project
variables (e.g. mk-proj-basedir) will be set and can be referenced from this
(defvar mk-proj-shutdown-hook nil
"Hook function to run after the project is unloaded. Optional. Project
variables (e.g. mk-proj-basedir) will still be set and can be referenced
from this function.")
(defvar mk-proj-file-list-cache nil
"Cache *file-index* buffer to this file. Optional. If set, the *file-index*
buffer will take its initial value from this file and updates to the buffer
via 'project-index' will save to this file. Value is expanded with
(defvar mk-proj-open-files-cache nil
"Cache the names of open project files in this file. Optional. If set,
project-load will open all files listed in this file and project-unload will
write all open project files to this file. Value is expanded with
(defvar mk-proj-src-find-cmd nil
"Specifies a custom \"find\" command to locate all files to be
included in the TAGS file (see `project-tags'). Optional. The
value is either a string or a function of one argument that
returns a string. The argument to the function will be the symbol
If non-null (or if the function returns non-null), the custom
find command will be used and the `mk-proj-src-patterns' and
`mk-proj-vcs' settings are ignored when finding files to include
in TAGS.")
(defvar mk-proj-grep-find-cmd nil
"Specifies a custom \"find\" command to use as the default when
running `project-grep'. Optional. The value is either a string or
a function of one argument that returns a string. The argument to
the function will be the symbol \"'grep\". The string or returned
string MUST use find's \"-print0\" argument as the results of
this command are piped to \"xargs -0 ...\".
If non-null (or if the function returns non-null), the custom
find command will be used and the `mk-proj-ignore-patterns' and
`mk-proj-vcs' settings will not be used in the grep command.
The custom find command should use \".\" (current directory) as
the path that find starts at -- this will allow the C-u argument
to `project-grep' to run the command from the current buffer's
(defvar mk-proj-index-find-cmd nil
"Specifies a custom \"find\" command to use when building an
listing of all files in the project (to be used by
`project-find-file'). Optional. The value is either a string or a
function of one argument that returns a string. The argument to
the function will be the symbol \"'index\".
If non-null (or if the function returns non-null), the custom
find command will be used and the `mk-proj-ignore-patterns' and
`mk-proj-vcs' settings are not used when in the grep command.")
(defconst mk-proj-fib-name "*file-index*"
"Buffer name of the file-list cache. This buffer contains a
list of all the files under the project's basedir (minus those
matching ignore-patterns) or, if index-find-cmd is set, the list
of files found by calling the custom find command. The list is
used by `project-find-file' to quickly locate project files.")
(defconst mk-proj-vcs-path '((git . "'*/.git/*'")
(cvs . "'*/.CVS/*'")
(svn . "'*/.svn/*'")
(bzr . "'*/.bzr/*'")
(hg . "'*/.hg/*'")
(darcs . "'*/_darcs/*'"))
"When `mk-proj-vcs' is one of the VCS types listed here, ignore
the associated paths when greping or indexing the project. This
value is not used if a custom find command is set in
`mk-proj-grep-find-cmd' or `mk-proj-index-find-cmd'")
(defconst mk-proj-proj-vars '(mk-proj-name
"List of all our project settings")
;; ---------------------------------------------------------------------
;; Customization
;; ---------------------------------------------------------------------
(defgroup mk-project nil
"A programming project management library."
:group 'tools)
(defcustom mk-proj-ack-respect-case-fold t
"If on and case-fold-search is true, project-ack will ignore case by passing \"-i\" to ack."
:type 'boolean
:group 'mk-project)
(defcustom mk-proj-use-ido-selection nil
"If ido-mode is available, use ido selection where appropriate."
:type 'boolean
:group 'mk-project)
(defcustom mk-proj-ack-cmd (if (eq system-type 'windows-nt) "" "ack")
"Name of the ack program to run. Defaults to \"ack\" (or \"\" on Windows)."
:type 'string
:group 'mk-project)
(defcustom mk-proj-file-index-relative-paths t
"If non-nil, generate relative path names in the file-index buffer"
:type 'boolean
:group 'mk-project)
(defcustom mk-proj-menu-on t
"If non-nil, define the 'mk-project' menu in the menu-bar at
load time. See also `project-menu-remove'."
:type 'boolean
:group 'mk-project)
;; ---------------------------------------------------------------------
;; Utils
;; ---------------------------------------------------------------------
(defun mk-proj-replace-tail (str tail-str replacement)
(if (string-match (concat tail-str "$") str)
(replace-match replacement t t str)
(defun mk-proj-assert-proj ()
(unless mk-proj-name
(error "No project is set!")))
(defun mk-proj-maybe-kill-buffer (bufname)
(let ((b (get-buffer bufname)))
(when b (kill-buffer b))))
(defun mk-proj-get-vcs-path ()
(if mk-proj-vcs
(cdr (assoc mk-proj-vcs mk-proj-vcs-path))
(defun mk-proj-has-univ-arg ()
(eql (prefix-numeric-value current-prefix-arg) 4))
(defun mk-proj-names ()
(let ((names nil))
(maphash (lambda (k v) (add-to-list 'names k)) mk-proj-list)
(defun mk-proj-use-ido ()
(and (boundp 'ido-mode) mk-proj-use-ido-selection))
(defun mk-proj-find-cmd-val (context)
(let ((cmd (ecase context
('src mk-proj-src-find-cmd)
('grep mk-proj-grep-find-cmd)
('index mk-proj-index-find-cmd))))
(if cmd
(cond ((stringp cmd) cmd)
((functionp cmd) (funcall cmd context))
(t (error "find-cmd is neither a string or a function")))
(defun mk-proj-filter (condp lst)
(delq nil
(mapcar (lambda (x) (and (funcall condp x) x)) lst)))
;; ---------------------------------------------------------------------
;; Project Configuration
;; ---------------------------------------------------------------------
(defvar mk-proj-list (make-hash-table :test 'equal))
(defun mk-proj-find-config (proj-name)
(gethash proj-name mk-proj-list))
(defun project-def (proj-name config-alist)
"Associate the settings in <config-alist> with project <proj-name>"
(puthash proj-name config-alist mk-proj-list))
(defun mk-proj-defaults ()
"Set all default values for project variables"
(dolist (var mk-proj-proj-vars)
(set var nil)))
(defun mk-proj-load-vars (proj-name proj-alist)
"Set project variables from proj-alist"
(labels ((config-val (key)
(if (assoc key proj-alist)
(car (cdr (assoc key proj-alist)))
(maybe-set-var (var &optional fn)
(let ((proj-var (intern (concat "mk-proj-" (symbol-name var))))
(val (config-val var)))
(when val (setf (symbol-value proj-var) (if fn (funcall fn val) val))))))
;; required vars
(setq mk-proj-name proj-name)
(setq mk-proj-basedir (expand-file-name (config-val 'basedir)))
;; optional vars
(dolist (v '(src-patterns ignore-patterns ack-args vcs
tags-file compile-cmd src-find-cmd grep-find-cmd
index-find-cmd startup-hook shutdown-hook))
(maybe-set-var v))
(maybe-set-var 'tags-file #'expand-file-name)
(maybe-set-var 'file-list-cache #'expand-file-name)
(maybe-set-var 'open-files-cache #'expand-file-name)))
(defun project-load (&optional name)
"Load a project's settings."
(catch 'project-load
(let ((oldname mk-proj-name)
(name (or name
(if (mk-proj-use-ido)
(ido-completing-read "Project Name (ido): "
(completing-read "Project Name: " (mk-proj-names))))))
(unless (string= oldname name)
(let ((proj-config (mk-proj-find-config name)))
(if proj-config
(mk-proj-load-vars name proj-config)
(message "Project %s does not exist!" name)
(throw 'project-load t)))
(when (not (file-directory-p mk-proj-basedir))
(message "Base directory %s does not exist!" mk-proj-basedir)
(throw 'project-load t))
(when (and mk-proj-vcs (not (mk-proj-get-vcs-path)))
(message "Invalid VCS setting!")
(throw 'project-load t))
(message "Loading project %s ..." name)
(cd mk-proj-basedir)
(add-hook 'kill-emacs-hook 'mk-proj-kill-emacs-hook)
(when mk-proj-startup-hook
(run-hooks 'mk-proj-startup-hook))
(message "Loading project %s done" name))))
(defun mk-proj-kill-emacs-hook ()
"Ensure we save the open-files-cache info on emacs exit"
(when (and mk-proj-name mk-proj-open-files-cache)
(defun project-unload ()
"Unload the current project's settings after running the shutdown hook."
(when mk-proj-name
(message "Unloading project %s" mk-proj-name)
(mk-proj-maybe-kill-buffer mk-proj-fib-name)
(when (and (mk-proj-buffers)
(y-or-n-p (concat "Close all " mk-proj-name " project files? "))
(when mk-proj-shutdown-hook (run-hooks 'mk-proj-shutdown-hook)))
(message "Project settings have been cleared"))
(defun project-close-files ()
"Close all unmodified files that reside in the project's basedir"
(let ((closed nil)
(dirty nil)
(basedir-len (length mk-proj-basedir)))
(dolist (b (mk-proj-buffers))
((buffer-modified-p b)
(push (buffer-name) dirty))
(kill-buffer b)
(push (buffer-name) closed))))
(message "Closed %d buffers, %d modified buffers where left open"
(length closed) (length dirty))))
(defun mk-proj-buffer-name (buf)
"Return buffer's name based on filename or dired's location"
(let ((file-name (or (buffer-file-name buf)
(with-current-buffer buf list-buffers-directory))))
(if file-name
(expand-file-name file-name)
(defun mk-proj-buffer-p (buf)
"Is the given buffer in our project based on filename? Also detects dired buffers open to basedir/*"
(let ((file-name (mk-proj-buffer-name buf)))
(if (and file-name
(string-match (concat "^" (regexp-quote mk-proj-basedir)) file-name))
(defun mk-proj-buffers ()
"Get a list of buffers that reside in this project's basedir"
(let ((buffers nil))
(dolist (b (buffer-list))
(when (mk-proj-buffer-p b) (push b buffers)))
(defun project-status ()
"View project's variables."
(if mk-proj-basedir
(let ((b (get-buffer-create "*project-status*")))
(with-current-buffer b
(kill-region (point-min) (point-max))
(dolist (v mk-proj-proj-vars)
(insert (format "%-24s = %s\n" v (symbol-value v)))))
(when (not (eq b (current-buffer)))
(switch-to-buffer-other-window b)))
(message "No project loaded.")))
;; ---------------------------------------------------------------------
;; Save/Restore open files
;; ---------------------------------------------------------------------
(defun mk-proj-save-open-file-info ()
"Write the list of `files' to a file"
(when mk-proj-open-files-cache
(dolist (f (mapcar (lambda (b) (mk-proj-buffer-name b)) (mk-proj-buffers)))
(when f
(unless (string-equal mk-proj-tags-file f)
(insert f "\n"))))
(if (file-writable-p mk-proj-open-files-cache)
(write-region (point-min)
(message "Wrote open files to %s" mk-proj-open-files-cache))
(message "Cannot write to %s" mk-proj-open-files-cache)))))
(defun mk-proj-visit-saved-open-files ()
(when mk-proj-open-files-cache
(when (file-readable-p mk-proj-open-files-cache)
(message "Reading open files from %s" mk-proj-open-files-cache)
(insert-file-contents mk-proj-open-files-cache)
(goto-char (point-min))
(while (not (eobp))
(let ((start (point)))
(while (not (eolp)) (forward-char)) ; goto end of line
(let ((line (buffer-substring start (point))))
(message "Attempting to open %s" line)
(find-file-noselect line t)))
;; ---------------------------------------------------------------------
;; Etags
;; ---------------------------------------------------------------------
(defun mk-proj-tags-load ()
"Load TAGS file (if tags-file set)"
(setq tags-file-name mk-proj-tags-file
tags-table-list nil)
(when (and mk-proj-tags-file (file-readable-p mk-proj-tags-file))
(visit-tags-table mk-proj-tags-file)))
(defun mk-proj-tags-clear ()
"Clear the TAGS file (if tags-file set)"
(when (and mk-proj-tags-file (get-file-buffer mk-proj-tags-file))
(mk-proj-maybe-kill-buffer (get-file-buffer mk-proj-tags-file)))
(setq tags-file-name nil
tags-table-list nil))
(defun mk-proj-etags-cb (process event)
"Visit tags table when the etags process finishes."
(message "Etags process %s received event %s" process event)
(kill-buffer (get-buffer "*etags*"))
((string= event "finished\n")
(message "Refreshing TAGS file %s...done" mk-proj-tags-file))
(t (message "Refreshing TAGS file %s...failed" mk-proj-tags-file))))
(defun project-tags ()
"Regenerate the project's TAG file. Runs in the background."
(if mk-proj-tags-file
(let* ((tags-file-name (file-name-nondirectory mk-proj-tags-file))
;; If the TAGS file is in the basedir, we can generate
;; relative filenames which will allow the TAGS file to
;; be relocatable if moved with the source. Otherwise,
;; run the command from the TAGS file's directory and
;; generate absolute filenames.
(relative-tags (string= (file-name-as-directory mk-proj-basedir)
(file-name-directory mk-proj-tags-file)))
(default-directory (file-name-as-directory
(file-name-directory mk-proj-tags-file)))
(default-find-cmd (concat "find '" (if relative-tags "." mk-proj-basedir)
"' -type f "
(mk-proj-find-cmd-src-args mk-proj-src-patterns)))
(etags-cmd (concat (or (mk-proj-find-cmd-val 'src) default-find-cmd)
" | etags -o '" tags-file-name "' - "))
(proc-name "etags-process"))
(message "project-tags default-dir %s" default-directory)
(message "project-tags cmd \"%s\"" etags-cmd)
(message "Refreshing TAGS file %s..." mk-proj-tags-file)
(start-process-shell-command proc-name "*etags*" etags-cmd)
(set-process-sentinel (get-process proc-name) 'mk-proj-etags-cb))
(message "mk-proj-tags-file is not set")))
(defun mk-proj-find-cmd-src-args (src-patterns)
"Generate the ( -name <pat1> -o -name <pat2> ...) pattern for find cmd"
(if src-patterns
(let ((name-expr " \\("))
(dolist (pat src-patterns)
(setq name-expr (concat name-expr " -name \"" pat "\" -o ")))
(concat (mk-proj-replace-tail name-expr "-o " "") "\\) "))
(defun mk-proj-find-cmd-ignore-args (ignore-patterns)
"Generate the -not ( -name <pat1> -o -name <pat2> ...) pattern for find cmd"
(if ignore-patterns
(concat " -not " (mk-proj-find-cmd-src-args ignore-patterns))
;; ---------------------------------------------------------------------
;; Grep
;; ---------------------------------------------------------------------
(defun project-grep (&optional phrase from-current-dir)
"Run find-grep on the project's basedir, excluding files in
mk-proj-ignore-patterns, tag files, etc.
If the phrase argument is not included, it will prompt for a
search phrase. If the from-current-dir argument is true, or with
C-u prefix, start from the current directory."
(let* ((wap (word-at-point))
(regex (or phrase
(if wap (read-string (concat "Grep project for (default \"" wap "\"): ") nil nil wap)
(read-string "Grep project for: "))))
(find-cmd "find . -type f")
(grep-cmd (concat "grep -i -n \"" regex "\""))
(default-directory (file-name-as-directory
(if (or from-current-dir (mk-proj-has-univ-arg))
(when mk-proj-ignore-patterns
(setq find-cmd (concat find-cmd (mk-proj-find-cmd-ignore-args mk-proj-ignore-patterns))))
(when mk-proj-tags-file
(setq find-cmd (concat find-cmd " -not -name 'TAGS'")))
(when (mk-proj-get-vcs-path)
(setq find-cmd (concat find-cmd " -not -path " (mk-proj-get-vcs-path))))
(let* ((whole-cmd (concat (or (mk-proj-find-cmd-val 'grep)
(concat find-cmd " -print0"))
" | xargs -0 -e " grep-cmd))
(confirmed-cmd (read-string "Grep command: " whole-cmd nil whole-cmd)))
(message "project-grep cmd: \"%s\"" confirmed-cmd)
(grep-find confirmed-cmd))))
;; ---------------------------------------------------------------------
;; Ack (
;; ---------------------------------------------------------------------
(define-compilation-mode ack-mode "Ack" "Ack compilation mode." nil)
(defvar mk-proj-ack-default-args "--nocolor --nogroup")
(defun mk-proj-ack-cmd (regex)
"Generate the ack command string given a regex to search for."
(concat mk-proj-ack-cmd " "
mk-proj-ack-default-args " "
(if (and mk-proj-ack-respect-case-fold case-fold-search) "-i " "")
mk-proj-ack-args " "
(defun project-ack (&optional phrase from-current-dir)
"Run ack from project's basedir, using the `ack-args' configuration.
With C-u prefix, start ack from the current directory."
(let* ((wap (word-at-point))
(regex (or phrase
(if wap (read-string (concat "Ack project for (default \"" wap "\"): ") nil nil wap)
(read-string "Ack project for: "))))
(whole-cmd (mk-proj-ack-cmd regex))
(confirmed-cmd (read-string "Ack command: " whole-cmd nil whole-cmd))
(default-directory (file-name-as-directory
(if (or from-current-dir (mk-proj-has-univ-arg))
(compilation-start confirmed-cmd 'ack-mode)))
;; ---------------------------------------------------------------------
;; Compile
;; ---------------------------------------------------------------------
(defun project-compile (&optional opts)
"Run the compile command (string or function) for this project."
(let ((default-directory mk-proj-basedir))
(cond ((stringp mk-proj-compile-cmd)
(when (and (null opts) (called-interactively-p))
(setq opts (read-string "Compile options: ")))
(compile (concat mk-proj-compile-cmd " " opts)))
((fboundp mk-proj-compile-cmd)
(cond ((commandp mk-proj-compile-cmd)
(call-interactively mk-proj-compile-cmd))
(funcall mk-proj-compile-cmd opts))
(t (funcall mk-proj-compile-cmd))))
(t (message "No compile command defined.")))))
;; ---------------------------------------------------------------------
;; Dired
;; ---------------------------------------------------------------------
(defun project-dired ()
"Open dired in the project's basedir (or jump to the existing dired buffer)"
(dired mk-proj-basedir))
;; ---------------------------------------------------------------------
;; Find-file
;; ---------------------------------------------------------------------
(defun mk-proj-fib-init ()
"Either load the *file-index* buffer from the file cache, or create it afresh."
(if (and mk-proj-file-list-cache
(file-readable-p mk-proj-file-list-cache))
(with-current-buffer (find-file-noselect mk-proj-file-list-cache)
(with-current-buffer (rename-buffer mk-proj-fib-name)
(setq buffer-read-only t)
(set-buffer-modified-p nil)
(message "Loading *file-index* from %s" mk-proj-file-list-cache)))
(defun mk-proj-fib-clear ()
"Clear the contents of the fib buffer"
(let ((buf (get-buffer mk-proj-fib-name)))
(when buf
(with-current-buffer buf
(setq buffer-read-only nil)
(kill-region (point-min) (point-max))
(setq buffer-read-only t)))))
(defun mk-proj-fib-cb (process event)
"Handle failure to complete fib building"
((string= event "finished\n")
(with-current-buffer (get-buffer mk-proj-fib-name)
(setq buffer-read-only t)
(when mk-proj-file-list-cache
(write-file mk-proj-file-list-cache)
(rename-buffer mk-proj-fib-name)))
(message "Refreshing %s buffer...done" mk-proj-fib-name))
(message "Failed to generate the %s buffer!" mk-proj-fib-name))))
(defun project-index ()
"Regenerate the *file-index* buffer that is used for project-find-file"
(when mk-proj-file-list-cache
(let* ((default-directory (file-name-as-directory mk-proj-basedir))
(start-dir (if mk-proj-file-index-relative-paths "." mk-proj-basedir))
(find-cmd (concat "find '" start-dir "' -type f "
(mk-proj-find-cmd-ignore-args mk-proj-ignore-patterns)))
(proc-name "index-process"))
(when (mk-proj-get-vcs-path)
(setq find-cmd (concat find-cmd " -not -path " (mk-proj-get-vcs-path))))
(setq find-cmd (or (mk-proj-find-cmd-val 'index) find-cmd))
(with-current-buffer (get-buffer-create mk-proj-fib-name)
(buffer-disable-undo) ;; this is a large change we don't need to undo
(setq buffer-read-only nil))
(message "project-index cmd: \"%s\"" find-cmd)
(message "Refreshing %s buffer..." mk-proj-fib-name)
(start-process-shell-command proc-name mk-proj-fib-name find-cmd)
(set-process-sentinel (get-process proc-name) 'mk-proj-fib-cb))))
(defun mk-proj-fib-matches (regex)
"Return list of files in *file-index* matching regex.
If regex is nil, return all files. Returned file paths are
relative to the project's basedir."
(let ((files '()))
(with-current-buffer mk-proj-fib-name
(goto-char (point-min))
(let ((raw-file (mk-proj-normalize-drive-letter
(line-beginning-position) (line-end-position)))))
(when (> (length raw-file) 0)
;; file names in buffer can be absolute or relative to basedir
(let ((file (if (file-name-absolute-p raw-file)
(file-relative-name raw-file mk-proj-basedir)
(if regex
(when (string-match regex file) (add-to-list 'files file))
(add-to-list 'files file)))
(= (forward-line) 0))))) ; loop test
(sort files #'string-lessp))))
(defun mk-proj-normalize-drive-letter (file)
"Convert drive letters to lowercase to be compatible with
file-relative-name, file-name-as-directory"
(if (or (null file) (< (length file) 2))
(let ((c1 (aref file 0))
(c2 (aref file 1)))
(if (and (= (aref ":" 0) c2)
(and (>= c1 (aref "A" 0)) (<= c1 (aref "Z" 0))))
(concat (char-to-string (+ c1 32)) (substring file 1))
(defun* project-find-file (regex)
"Find file in the current project matching the given regex.
The files listed in buffer *file-index* are scanned for regex
matches. If only one match is found, the file is opened
automatically. If more than one match is found, prompt for
completion. See also: `project-index', `project-find-file-ido'."
(interactive "sFind file in project matching: ")
(unless (get-buffer mk-proj-fib-name)
(message "Please use project-index to create the index before running project-find-file")
(return-from "project-find-file" nil))
(let* ((matches (mk-proj-fib-matches regex))
(match-cnt (length matches)))
((= 0 match-cnt)
(message "No matches for \"%s\" in this project" regex))
((= 1 match-cnt )
(find-file (car matches)))
(let ((file (if (mk-proj-use-ido)
(ido-completing-read "Multiple matches, pick one (ido): " matches)
(completing-read "Multiple matches, pick one: " matches))))
(when file
(find-file (concat (file-name-as-directory mk-proj-basedir) file))))))))
(defun* project-find-file-ido ()
"Find file in the current project using 'ido'.
Choose a file to open from among the files listed in buffer
*file-index*. The ordinary 'ido' methods allow advanced
selection of the file. See also: `project-index',
(unless (get-buffer mk-proj-fib-name)
(message "Please use project-index to create the index before running project-find-file-ido")
(return-from "project-find-file-ido" nil))
(let ((file (ido-completing-read "Find file in project matching (ido): "
(mk-proj-fib-matches nil))))
(when file
(find-file (concat (file-name-as-directory mk-proj-basedir) file)))))
(defun project-multi-occur (regex)
"Search all open project files for 'regex' using `multi-occur'"
(interactive "sRegex: ")
(multi-occur (mk-proj-filter (lambda (b) (if (buffer-file-name b) b nil))
;; ---------------------------------------------------------------------
;; Menus
;; ---------------------------------------------------------------------
(defun mk-proj-menu-item (key label fn &optional always-enabled-p)
"Define a mk-project menu item that may not be enabled if a
project is not loaded."
(let ((whole-key `[menu-bar mkproject ,key]))
(define-key global-map whole-key
`(menu-item ,label ,fn :enable ,(if always-enabled-p 't 'mk-proj-name)))))
(defun mk-proj-menu-item-separator (key)
"Define a separator line in the mk-project menu."
(define-key global-map `[menu-bar mkproject ,key] '(menu-item "--")))
(defun project-menu ()
"Define a menu for mk-project operations."
;; define a menu in the top-level menu
[menu-bar mkproject]
(cons "mk-project" (make-sparse-keymap))
;; define the menu items in reverse order
(mk-proj-menu-item 'tags "Build TAGS" 'project-tags)
(mk-proj-menu-item 'index "Build Index" 'project-index)
(mk-proj-menu-item-separator 's2)
(mk-proj-menu-item 'dired "Browse (dired)" 'project-dired)
(mk-proj-menu-item 'comp "Compile " 'project-compile)
(mk-proj-menu-item 'occur "Multi-occur" 'project-multi-occur)
(mk-proj-menu-item 'ack "Ack" 'project-ack)
(mk-proj-menu-item 'grep "Grep" 'project-grep)
(mk-proj-menu-item-separator 's1)
(mk-proj-menu-item 'status "Status" 'project-status)
(mk-proj-menu-item 'unload "Unload Project" 'project-unload)
(mk-proj-menu-item 'load "Load Project" 'project-load t))
(defun project-menu-remove ()
"Remove the mk-project menu from the menu bar"
(global-unset-key [menu-bar mkproject]))
(when mk-proj-menu-on
(provide 'mk-project)
;;; mk-project.el ends here
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