| 1 | ;;; ediff-mult.el --- support for multi-file/multi-buffer processing in Ediff |
| 2 | |
| 3 | ;; Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc. |
| 4 | |
| 5 | ;; Author: Michael Kifer <kifer@cs.sunysb.edu> |
| 6 | |
| 7 | ;; This file is part of GNU Emacs. |
| 8 | |
| 9 | ;; GNU Emacs is free software; you can redistribute it and/or modify |
| 10 | ;; it under the terms of the GNU General Public License as published by |
| 11 | ;; the Free Software Foundation; either version 2, or (at your option) |
| 12 | ;; any later version. |
| 13 | |
| 14 | ;; GNU Emacs is distributed in the hope that it will be useful, |
| 15 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | ;; GNU General Public License for more details. |
| 18 | |
| 19 | ;; You should have received a copy of the GNU General Public License |
| 20 | ;; along with GNU Emacs; see the file COPYING. If not, write to the |
| 21 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| 22 | ;; Boston, MA 02111-1307, USA. |
| 23 | |
| 24 | ;;; Commentary: |
| 25 | |
| 26 | ;; Users are encouraged to add functionality to this file. |
| 27 | ;; The present file contains all the infrastructure needed for that. |
| 28 | ;; |
| 29 | ;; Generally, to to implement a new multisession capability within Ediff, |
| 30 | ;; you need to tell it |
| 31 | ;; |
| 32 | ;; 1. How to display the session group buffer. |
| 33 | ;; This function must indicate which Ediff sessions are active (+) and |
| 34 | ;; which are finished (-). |
| 35 | ;; See ediff-redraw-directory-group-buffer for an example. |
| 36 | ;; In all likelihood, ediff-redraw-directory-group-buffer can be used |
| 37 | ;; directly or after a small modification. |
| 38 | ;; 2. What action to take when the user clicks button 2 or types v,e, or |
| 39 | ;; RET. See ediff-filegroup-action. |
| 40 | ;; 3. Provide a list of pairs or triples of file names (or buffers, |
| 41 | ;; depending on the particular Ediff operation you want to invoke) |
| 42 | ;; in the following format: |
| 43 | ;; (descriptor (obj1 obj2 obj3) (...) ...) |
| 44 | ;; Actually, the format of this list is pretty much up to the |
| 45 | ;; developer. The only thing is that it must be a list of lists, |
| 46 | ;; and the first list must describe the meta session, and subsequent |
| 47 | ;; elements must describe individual sessions. |
| 48 | ;; This descriptor must be a list of two, three, or four elements (nil |
| 49 | ;; or string). The function ediff-redraw-registry-buffer displays the |
| 50 | ;; second through last of these in the registry buffer. |
| 51 | ;; Also, keep in mind that the function ediff-prepare-meta-buffer |
| 52 | ;; (which see) prepends the session group buffer to the descriptor and |
| 53 | ;; nil in front of each subsequent list (i.e., the above list |
| 54 | ;; will become |
| 55 | ;; ((meta-buf descriptor) (nil obj1 obj2 obj3) (nil ...) ...) |
| 56 | ;; Ediff expects that your function (in 2 above) will arrange to |
| 57 | ;; replace this prepended nil (via setcar) with the actual ediff |
| 58 | ;; control buffer associated with an appropriate Ediff session. |
| 59 | ;; This is arranged through internal startup hooks that can be passed |
| 60 | ;; to any of Ediff major entries (such as ediff-files, epatch, etc.). |
| 61 | ;; See how this is done in ediff-filegroup-action. |
| 62 | ;; |
| 63 | ;; Session descriptions are of the form (obj1 obj2 obj3), which |
| 64 | ;; describe objects relevant to the session. Usually they are names of |
| 65 | ;; files, but sometimes they may be other things. For instance, obj3 is |
| 66 | ;; nil for jobs that involve only two files. For patch jobs, obj2 and |
| 67 | ;; obj3 are markers that specify the patch corresponding to the file |
| 68 | ;; (whose name is obj1). |
| 69 | ;; 4. Write a function that makes a call to ediff-prepare-meta-buffer |
| 70 | ;; passing all this info. |
| 71 | ;; You may be able to use ediff-directories-internal as a template. |
| 72 | ;; 5. If you intend to add several related pieces of functionality, |
| 73 | ;; you may want to keep the function in 4 as an internal version |
| 74 | ;; and then write several top-level interactive functions that call it |
| 75 | ;; with different parameters. |
| 76 | ;; See how ediff-directories, ediff-merge-directories, and |
| 77 | ;; ediff-merge-directories-with-ancestor all use |
| 78 | ;; ediff-directories-internal. |
| 79 | ;; |
| 80 | ;; A useful addition here could be session groups selected by patterns |
| 81 | ;; (which are different in each directory). For instance, one may want to |
| 82 | ;; compare files of the form abc{something}.c to files old{something}.d |
| 83 | ;; which may be in the same or different directories. Or, one may want to |
| 84 | ;; compare all files of the form {something} to files of the form {something}~. |
| 85 | ;; |
| 86 | ;; Implementing this requires writing an collating function, which should pair |
| 87 | ;; up appropriate files. It will also require a generalization of the functions |
| 88 | ;; that do the layout of the meta- and differences buffers and of |
| 89 | ;; ediff-filegroup-action. |
| 90 | |
| 91 | ;;; Code: |
| 92 | |
| 93 | (provide 'ediff-mult) |
| 94 | |
| 95 | (defgroup ediff-mult nil |
| 96 | "Multi-file and multi-buffer processing in Ediff" |
| 97 | :prefix "ediff-" |
| 98 | :group 'ediff) |
| 99 | |
| 100 | |
| 101 | ;; compiler pacifier |
| 102 | (eval-when-compile |
| 103 | (let ((load-path (cons (expand-file-name ".") load-path))) |
| 104 | (or (featurep 'ediff-init) |
| 105 | (load "ediff-init.el" nil nil 'nosuffix)) |
| 106 | (or (featurep 'ediff-util) |
| 107 | (load "ediff-util.el" nil nil 'nosuffix)) |
| 108 | )) |
| 109 | ;; end pacifier |
| 110 | |
| 111 | (require 'ediff-init) |
| 112 | (require 'ediff-util) |
| 113 | |
| 114 | ;; meta-buffer |
| 115 | (ediff-defvar-local ediff-meta-buffer nil "") |
| 116 | (ediff-defvar-local ediff-parent-meta-buffer nil "") |
| 117 | ;; the registry buffer |
| 118 | (defvar ediff-registry-buffer nil) |
| 119 | |
| 120 | (defconst ediff-meta-buffer-message "This is an Ediff Session Group Panel: %s |
| 121 | |
| 122 | Useful commands: |
| 123 | button2, v, or RET over session record: start that Ediff session |
| 124 | M:\tin sessions invoked from here, brings back this group panel |
| 125 | R:\tdisplay the registry of active Ediff sessions |
| 126 | h:\tmark session for hiding (toggle) |
| 127 | x:\thide marked sessions; with prefix arg: unhide |
| 128 | m:\tmark session for a non-hiding operation (toggle) |
| 129 | uh/um:\tunmark all sessions marked for hiding/operation |
| 130 | n,SPC:\tnext session |
| 131 | p,DEL:\tprevious session |
| 132 | E:\tbrowse Ediff on-line manual |
| 133 | T:\ttoggle truncation of long file names |
| 134 | q:\tquit this session group |
| 135 | ") |
| 136 | |
| 137 | (ediff-defvar-local ediff-meta-buffer-map nil |
| 138 | "The keymap for the meta buffer.") |
| 139 | (defvar ediff-dir-diffs-buffer-map (make-sparse-keymap) |
| 140 | "The keymap to be installed in the buffer showing differences between |
| 141 | directories.") |
| 142 | |
| 143 | ;; Variable specifying the action to take when the use invokes ediff in the |
| 144 | ;; meta buffer. This is usually ediff-registry-action or ediff-filegroup-action |
| 145 | (ediff-defvar-local ediff-meta-action-function nil "") |
| 146 | ;; Tells ediff-update-meta-buffer how to redraw it |
| 147 | (ediff-defvar-local ediff-meta-redraw-function nil "") |
| 148 | ;; Tells ediff-filegroup-action and similar procedures how to invoke Ediff for |
| 149 | ;; the sessions in a given session group |
| 150 | (ediff-defvar-local ediff-session-action-function nil "") |
| 151 | |
| 152 | (ediff-defvar-local ediff-metajob-name nil "") |
| 153 | |
| 154 | ;; buffer used to collect custom diffs from individual sessions in the group |
| 155 | (ediff-defvar-local ediff-meta-diff-buffer nil "") |
| 156 | |
| 157 | ;; history var to use for filtering groups |
| 158 | (defvar ediff-filtering-regexp-history nil "") |
| 159 | |
| 160 | ;; This has the form ((meta-buf regexp dir1 dir2 dir3 merge-auto-store-dir) |
| 161 | ;; (ctl-buf session-status (file1 . eq-status) (file2 . eq-status) (file3 |
| 162 | ;; . eq-status)) (ctl-buf session-status (file1 . eq-status) (file2 |
| 163 | ;; . eq-status)) ...) |
| 164 | ;; If ctl-buf is nil, the file-pair hasn't processed yet. If it is |
| 165 | ;; killed-buffer object, the file pair has been processed. If it is a live |
| 166 | ;; buffer, this means ediff is still working on the pair. |
| 167 | ;; Eq-status of a file is t if the file equals some other file in the same |
| 168 | ;; group. |
| 169 | (ediff-defvar-local ediff-meta-list nil "") |
| 170 | |
| 171 | (ediff-defvar-local ediff-meta-session-number nil "") |
| 172 | |
| 173 | |
| 174 | ;; the difference list between directories in a directory session group |
| 175 | (ediff-defvar-local ediff-dir-difference-list nil "") |
| 176 | (ediff-defvar-local ediff-dir-diffs-buffer nil "") |
| 177 | |
| 178 | ;; The registry of Ediff sessions. A list of control buffers. |
| 179 | (defvar ediff-session-registry nil) |
| 180 | |
| 181 | (defcustom ediff-meta-truncate-filenames t |
| 182 | "*If non-nil, truncate long file names in the session group buffers. |
| 183 | This can be toggled with `ediff-toggle-filename-truncation'." |
| 184 | :type 'hook |
| 185 | :group 'ediff-mult) |
| 186 | (defcustom ediff-registry-setup-hook nil |
| 187 | "*Hooks run just after the registry control panel is set up." |
| 188 | :type 'hook |
| 189 | :group 'ediff-mult) |
| 190 | (defcustom ediff-session-group-setup-hook nil |
| 191 | "*Hooks run just after a meta-buffer controlling a session group, such as |
| 192 | ediff-directories, is run." |
| 193 | :type 'hook |
| 194 | :group 'ediff-mult) |
| 195 | (defcustom ediff-quit-session-group-hook nil |
| 196 | "*Hooks run just before exiting a session group." |
| 197 | :type 'hook |
| 198 | :group 'ediff-mult) |
| 199 | (defcustom ediff-show-registry-hook nil |
| 200 | "*Hooks run just after the registry buffer is shown." |
| 201 | :type 'hook |
| 202 | :group 'ediff-mult) |
| 203 | (defcustom ediff-show-session-group-hook nil |
| 204 | "*Hooks run just after a session group buffer is shown." |
| 205 | :type 'hook |
| 206 | :group 'ediff-mult) |
| 207 | (defcustom ediff-meta-buffer-keymap-setup-hook nil |
| 208 | "*Hooks run just after setting up the ediff-meta-buffer-map. |
| 209 | This keymap controls key bindings in the meta buffer and is a local variable. |
| 210 | This means that you can set different bindings for different kinds of meta |
| 211 | buffers." |
| 212 | :type 'hook |
| 213 | :group 'ediff-mult) |
| 214 | |
| 215 | ;; buffer holding the multi-file patch. local to the meta buffer |
| 216 | (ediff-defvar-local ediff-meta-patchbufer nil "") |
| 217 | |
| 218 | ;;; API for ediff-meta-list |
| 219 | |
| 220 | ;; group buffer/regexp |
| 221 | (defsubst ediff-get-group-buffer (meta-list) |
| 222 | (nth 0 (car meta-list))) |
| 223 | |
| 224 | (defsubst ediff-get-group-regexp (meta-list) |
| 225 | (nth 1 (car meta-list))) |
| 226 | ;; group objects |
| 227 | (defsubst ediff-get-group-objA (meta-list) |
| 228 | (nth 2 (car meta-list))) |
| 229 | (defsubst ediff-get-group-objB (meta-list) |
| 230 | (nth 3 (car meta-list))) |
| 231 | (defsubst ediff-get-group-objC (meta-list) |
| 232 | (nth 4 (car meta-list))) |
| 233 | (defsubst ediff-get-group-merge-autostore-dir (meta-list) |
| 234 | (nth 5 (car meta-list))) |
| 235 | |
| 236 | ;; session buffer |
| 237 | (defsubst ediff-get-session-buffer (elt) |
| 238 | (nth 0 elt)) |
| 239 | (defsubst ediff-get-session-status (elt) |
| 240 | (nth 1 elt)) |
| 241 | (defsubst ediff-set-session-status (session-info new-status) |
| 242 | (setcar (cdr session-info) new-status)) |
| 243 | ;; session objects |
| 244 | (defsubst ediff-get-session-objA (elt) |
| 245 | (nth 2 elt)) |
| 246 | (defsubst ediff-get-session-objB (elt) |
| 247 | (nth 3 elt)) |
| 248 | (defsubst ediff-get-session-objC (elt) |
| 249 | (nth 4 elt)) |
| 250 | (defsubst ediff-get-session-objA-name (elt) |
| 251 | (car (nth 2 elt))) |
| 252 | (defsubst ediff-get-session-objB-name (elt) |
| 253 | (car (nth 3 elt))) |
| 254 | (defsubst ediff-get-session-objC-name (elt) |
| 255 | (car (nth 4 elt))) |
| 256 | ;; equality indicators |
| 257 | (defsubst ediff-get-file-eqstatus (elt) |
| 258 | (nth 1 elt)) |
| 259 | (defsubst ediff-set-file-eqstatus (elt value) |
| 260 | (setcar (cdr elt) value)) |
| 261 | |
| 262 | ;; The activity marker is either or + (active session, i.e., ediff is currently |
| 263 | ;; run in it), or - (finished session, i.e., we've ran ediff in it and then |
| 264 | ;; exited). Return nil, if session is neither active nor finished |
| 265 | (defun ediff-get-session-activity-marker (session) |
| 266 | (let ((session-buf (ediff-get-session-buffer session))) |
| 267 | (cond ((null session-buf) nil) ; virgin session |
| 268 | ((ediff-buffer-live-p session-buf) ?+) ;active session |
| 269 | (t ?-)))) |
| 270 | |
| 271 | ;; checks if the session is a meta session |
| 272 | (defun ediff-meta-session-p (session-info) |
| 273 | (and (stringp (ediff-get-session-objA-name session-info)) |
| 274 | (file-directory-p (ediff-get-session-objA-name session-info)) |
| 275 | (stringp (ediff-get-session-objB-name session-info)) |
| 276 | (file-directory-p (ediff-get-session-objB-name session-info)) |
| 277 | (if (stringp (ediff-get-session-objC-name session-info)) |
| 278 | (file-directory-p (ediff-get-session-objC-name session-info)) t))) |
| 279 | |
| 280 | ;; set up the keymap in the meta buffer |
| 281 | (defun ediff-setup-meta-map() |
| 282 | (setq ediff-meta-buffer-map (make-sparse-keymap)) |
| 283 | (suppress-keymap ediff-meta-buffer-map) |
| 284 | (define-key ediff-meta-buffer-map "q" 'ediff-quit-meta-buffer) |
| 285 | (define-key ediff-meta-buffer-map "T" 'ediff-toggle-filename-truncation) |
| 286 | (define-key ediff-meta-buffer-map "R" 'ediff-show-registry) |
| 287 | (define-key ediff-meta-buffer-map "E" 'ediff-documentation) |
| 288 | (define-key ediff-meta-buffer-map "v" ediff-meta-action-function) |
| 289 | (define-key ediff-meta-buffer-map "\C-m" ediff-meta-action-function) |
| 290 | (define-key ediff-meta-buffer-map " " 'ediff-next-meta-item) |
| 291 | (define-key ediff-meta-buffer-map "n" 'ediff-next-meta-item) |
| 292 | (define-key ediff-meta-buffer-map "\C-?" 'ediff-previous-meta-item) |
| 293 | (define-key ediff-meta-buffer-map "p" 'ediff-previous-meta-item) |
| 294 | (define-key ediff-meta-buffer-map [delete] 'ediff-previous-meta-item) |
| 295 | (define-key ediff-meta-buffer-map [backspace] 'ediff-previous-meta-item) |
| 296 | (or (ediff-one-filegroup-metajob) |
| 297 | (progn |
| 298 | (define-key ediff-meta-buffer-map "=" nil) |
| 299 | (define-key ediff-meta-buffer-map "==" 'ediff-meta-mark-equal-files) |
| 300 | (define-key ediff-meta-buffer-map "=m" 'ediff-meta-mark-equal-files) |
| 301 | (define-key ediff-meta-buffer-map "=h" 'ediff-meta-mark-equal-files))) |
| 302 | (if ediff-no-emacs-help-in-control-buffer |
| 303 | (define-key ediff-meta-buffer-map "\C-h" 'ediff-previous-meta-item)) |
| 304 | (if ediff-emacs-p |
| 305 | (define-key ediff-meta-buffer-map [mouse-2] ediff-meta-action-function) |
| 306 | (define-key ediff-meta-buffer-map [button2] ediff-meta-action-function)) |
| 307 | |
| 308 | (use-local-map ediff-meta-buffer-map) |
| 309 | ;; modify ediff-meta-buffer-map here |
| 310 | (run-hooks 'ediff-meta-buffer-keymap-setup-hook)) |
| 311 | |
| 312 | (defun ediff-meta-mode () |
| 313 | "This mode controls all operations on Ediff session groups. |
| 314 | It is entered through one of the following commands: |
| 315 | `ediff-directories' |
| 316 | `edirs' |
| 317 | `ediff-directories3' |
| 318 | `edirs3' |
| 319 | `ediff-merge-directories' |
| 320 | `edirs-merge' |
| 321 | `ediff-merge-directories-with-ancestor' |
| 322 | `edirs-merge-with-ancestor' |
| 323 | `ediff-directory-revisions' |
| 324 | `edir-revisions' |
| 325 | `ediff-merge-directory-revisions' |
| 326 | `edir-merge-revisions' |
| 327 | `ediff-merge-directory-revisions-with-ancestor' |
| 328 | `edir-merge-revisions-with-ancestor' |
| 329 | |
| 330 | Commands: |
| 331 | \\{ediff-meta-buffer-map}" |
| 332 | (kill-all-local-variables) |
| 333 | (setq major-mode 'ediff-meta-mode) |
| 334 | (setq mode-name "MetaEdiff")) |
| 335 | |
| 336 | |
| 337 | ;; the keymap for the buffer showing directory differences |
| 338 | (suppress-keymap ediff-dir-diffs-buffer-map) |
| 339 | (define-key ediff-dir-diffs-buffer-map "q" 'ediff-bury-dir-diffs-buffer) |
| 340 | (define-key ediff-dir-diffs-buffer-map " " 'next-line) |
| 341 | (define-key ediff-dir-diffs-buffer-map "n" 'next-line) |
| 342 | (define-key ediff-dir-diffs-buffer-map "\C-?" 'previous-line) |
| 343 | (define-key ediff-dir-diffs-buffer-map "p" 'previous-line) |
| 344 | (define-key ediff-dir-diffs-buffer-map [delete] 'previous-line) |
| 345 | (define-key ediff-dir-diffs-buffer-map [backspace] 'previous-line) |
| 346 | |
| 347 | (defun ediff-next-meta-item (count) |
| 348 | "Move to the next item in Ediff registry or session group buffer. |
| 349 | Moves in circular fashion. With numeric prefix arg, skip this many items." |
| 350 | (interactive "p") |
| 351 | (or count (setq count 1)) |
| 352 | (let (overl) |
| 353 | (while (< 0 count) |
| 354 | (setq count (1- count)) |
| 355 | (ediff-next-meta-item1) |
| 356 | (setq overl (ediff-get-meta-overlay-at-pos (point))) |
| 357 | ;; skip invisible ones |
| 358 | (while (and overl (ediff-overlay-get overl 'invisible)) |
| 359 | (ediff-next-meta-item1) |
| 360 | (setq overl (ediff-get-meta-overlay-at-pos (point))))))) |
| 361 | |
| 362 | ;; Move to the next meta item |
| 363 | (defun ediff-next-meta-item1 () |
| 364 | (let (pos) |
| 365 | (setq pos (ediff-next-meta-overlay-start (point))) |
| 366 | (if pos (goto-char pos)) |
| 367 | (if (eq ediff-metajob-name 'ediff-registry) |
| 368 | (if (and (ediff-get-meta-info (current-buffer) pos 'noerror) |
| 369 | (search-forward "*Ediff" nil t)) |
| 370 | (skip-chars-backward "a-zA-Z*")) |
| 371 | (if (> (skip-chars-forward "-+?H* \t0-9") 0) |
| 372 | (backward-char 1))))) |
| 373 | |
| 374 | |
| 375 | (defun ediff-previous-meta-item (count) |
| 376 | "Move to the previous item in Ediff registry or session group buffer. |
| 377 | Moves in circular fashion. With numeric prefix arg, skip this many items." |
| 378 | (interactive "p") |
| 379 | (or count (setq count 1)) |
| 380 | (let (overl) |
| 381 | (while (< 0 count) |
| 382 | (setq count (1- count)) |
| 383 | (ediff-previous-meta-item1) |
| 384 | (setq overl (ediff-get-meta-overlay-at-pos (point))) |
| 385 | ;; skip invisible ones |
| 386 | (while (and overl (ediff-overlay-get overl 'invisible)) |
| 387 | (ediff-previous-meta-item1) |
| 388 | (setq overl (ediff-get-meta-overlay-at-pos (point))))))) |
| 389 | |
| 390 | (defun ediff-previous-meta-item1 () |
| 391 | (let (pos) |
| 392 | (setq pos (ediff-previous-meta-overlay-start (point))) |
| 393 | ;;; ;; skip deleted |
| 394 | ;;; (while (ediff-get-session-status |
| 395 | ;;; (ediff-get-meta-info (current-buffer) pos 'noerror)) |
| 396 | ;;; (setq pos (ediff-previous-meta-overlay-start pos))) |
| 397 | |
| 398 | (if pos (goto-char pos)) |
| 399 | (if (eq ediff-metajob-name 'ediff-registry) |
| 400 | (if (and (ediff-get-meta-info (current-buffer) pos 'noerror) |
| 401 | (search-forward "*Ediff" nil t)) |
| 402 | (skip-chars-backward "a-zA-Z*")) |
| 403 | (if (> (skip-chars-forward "-+?H* \t0-9") 0) |
| 404 | (backward-char 1))) |
| 405 | )) |
| 406 | |
| 407 | (defsubst ediff-add-slash-if-directory (dir file) |
| 408 | (if (file-directory-p (concat dir file)) |
| 409 | (file-name-as-directory file) |
| 410 | file)) |
| 411 | |
| 412 | (defun ediff-toggle-filename-truncation () |
| 413 | "Toggle truncation of long file names in session group buffers. |
| 414 | Set `ediff-meta-truncate-filenames' variable if you want to change the default |
| 415 | behavior." |
| 416 | (interactive) |
| 417 | (setq ediff-meta-truncate-filenames (not ediff-meta-truncate-filenames)) |
| 418 | (ediff-update-meta-buffer (current-buffer) 'must-redraw)) |
| 419 | |
| 420 | |
| 421 | ;; DIR1, DIR2, DIR3 are directories. DIR3 can be nil. |
| 422 | ;; OUTPUT-DIR is a directory for auto-storing the results of merge jobs. |
| 423 | ;; Can be nil. |
| 424 | ;; REGEXP is a regexp used to filter out files in the directories. |
| 425 | ;; If a file is a directory in dir1 but not dir2 (or vice versa), it is not |
| 426 | ;; included in the intersection. However, a regular file that is a dir in dir3 |
| 427 | ;; is included, since dir3 files are supposed to be ancestors for merging. |
| 428 | ;; Returns a list of the form: |
| 429 | ;; ((dir1 dir2 dir3) (f1 f2 f3) (f1 f2 f3) ...) |
| 430 | ;; dir3, f3 can be nil if intersecting only 2 directories. |
| 431 | ;; If COMPARISON-FUNC is given, use it. Otherwise, use string= |
| 432 | ;; DIFF-VAR contains the name of the variable in which to return the |
| 433 | ;; difference list (which represents the differences among the contents of |
| 434 | ;; directories). The diff list is of the form: |
| 435 | ;; ((dir1 dir2 dir3) (file . num) (file . num)...) |
| 436 | ;; where num encodes the set of dirs where the file is found: |
| 437 | ;; 2 - only dir1; 3 - only dir2; 5 - only dir3; 6 - dir1&2; 10 - dir1&3; etc. |
| 438 | (defun ediff-intersect-directories (jobname |
| 439 | diff-var regexp dir1 dir2 |
| 440 | &optional |
| 441 | dir3 merge-autostore-dir comparison-func) |
| 442 | (setq comparison-func (or comparison-func 'string=)) |
| 443 | (let (lis1 lis2 lis3 common auxdir1 auxdir2 auxdir3 difflist) |
| 444 | |
| 445 | (setq auxdir1 (file-name-as-directory dir1) |
| 446 | lis1 (directory-files auxdir1 nil regexp) |
| 447 | lis1 (delete "." lis1) |
| 448 | lis1 (delete ".." lis1) |
| 449 | lis1 (mapcar |
| 450 | (function |
| 451 | (lambda (elt) |
| 452 | (ediff-add-slash-if-directory auxdir1 elt))) |
| 453 | lis1) |
| 454 | auxdir2 (file-name-as-directory dir2) |
| 455 | lis2 (mapcar |
| 456 | (function |
| 457 | (lambda (elt) |
| 458 | (ediff-add-slash-if-directory auxdir2 elt))) |
| 459 | (directory-files auxdir2 nil regexp))) |
| 460 | |
| 461 | (if (stringp dir3) |
| 462 | (setq auxdir3 (file-name-as-directory dir3) |
| 463 | lis3 (mapcar |
| 464 | (function |
| 465 | (lambda (elt) |
| 466 | (ediff-add-slash-if-directory auxdir3 elt))) |
| 467 | (directory-files auxdir3 nil regexp)))) |
| 468 | |
| 469 | (if (stringp merge-autostore-dir) |
| 470 | (setq merge-autostore-dir |
| 471 | (file-name-as-directory merge-autostore-dir))) |
| 472 | (setq common (ediff-intersection lis1 lis2 comparison-func)) |
| 473 | |
| 474 | ;; In merge with ancestor jobs, we don't intersect with lis3. |
| 475 | ;; If there is no ancestor, we'll offer to merge without the ancestor. |
| 476 | ;; So, we intersect with lis3 only when we are doing 3-way file comparison |
| 477 | (if (and lis3 (ediff-comparison-metajob3 jobname)) |
| 478 | (setq common (ediff-intersection common lis3 comparison-func))) |
| 479 | |
| 480 | ;; copying is needed because sort sorts via side effects |
| 481 | (setq common (sort (ediff-copy-list common) 'string-lessp)) |
| 482 | |
| 483 | ;; compute difference list |
| 484 | (setq difflist (ediff-set-difference |
| 485 | (ediff-union (ediff-union lis1 lis2 comparison-func) |
| 486 | lis3 |
| 487 | comparison-func) |
| 488 | common |
| 489 | comparison-func) |
| 490 | difflist (delete "." difflist) |
| 491 | ;; copying is needed because sort sorts via side effects |
| 492 | difflist (sort (ediff-copy-list (delete ".." difflist)) |
| 493 | 'string-lessp)) |
| 494 | |
| 495 | (setq difflist (mapcar (function (lambda (elt) (cons elt 1))) difflist)) |
| 496 | |
| 497 | ;; check for files belonging to lis1/2/3 |
| 498 | (mapcar (function (lambda (elt) |
| 499 | (if (member (car elt) lis1) |
| 500 | (setcdr elt (* (cdr elt) 2))) |
| 501 | (if (member (car elt) lis2) |
| 502 | (setcdr elt (* (cdr elt) 3))) |
| 503 | (if (member (car elt) lis3) |
| 504 | (setcdr elt (* (cdr elt) 5))) |
| 505 | )) |
| 506 | difflist) |
| 507 | (setq difflist (cons (list regexp auxdir1 auxdir2 auxdir3) difflist)) |
| 508 | |
| 509 | ;; return the difference list back to the calling function |
| 510 | (set diff-var difflist) |
| 511 | |
| 512 | ;; return result |
| 513 | (cons (list regexp auxdir1 auxdir2 auxdir3 merge-autostore-dir) |
| 514 | (mapcar |
| 515 | (function |
| 516 | (lambda (elt) |
| 517 | (list (concat auxdir1 elt) |
| 518 | (concat auxdir2 elt) |
| 519 | (if lis3 |
| 520 | (progn |
| 521 | ;; The following is done because: |
| 522 | ;; In merging with ancestor, we don't intersect |
| 523 | ;; with lis3. So, it is possible that elt is a |
| 524 | ;; file in auxdir1/2 but a directory in auxdir3 |
| 525 | ;; Or elt may not exist in auxdir3 at all. |
| 526 | ;; In the first case, we add a slash at the end. |
| 527 | ;; In the second case, we insert nil. |
| 528 | (setq elt (ediff-add-slash-if-directory auxdir3 elt)) |
| 529 | (if (file-exists-p (concat auxdir3 elt)) |
| 530 | (concat auxdir3 elt))))))) |
| 531 | common)) |
| 532 | )) |
| 533 | |
| 534 | ;; find directory files that are under revision. Include subdirectories, since |
| 535 | ;; we may visit them recursively. DIR1 is the directory to inspect. |
| 536 | ;; MERGE-AUTOSTORE-DIR is the directory where to auto-store the results of |
| 537 | ;; merges. Can be nil. |
| 538 | (defun ediff-get-directory-files-under-revision (jobname |
| 539 | regexp dir1 |
| 540 | &optional merge-autostore-dir) |
| 541 | (let (lis1 elt common auxdir1) |
| 542 | (setq auxdir1 (file-name-as-directory dir1) |
| 543 | lis1 (directory-files auxdir1 nil regexp)) |
| 544 | |
| 545 | (if (stringp merge-autostore-dir) |
| 546 | (setq merge-autostore-dir |
| 547 | (file-name-as-directory merge-autostore-dir))) |
| 548 | |
| 549 | (while lis1 |
| 550 | (setq elt (car lis1) |
| 551 | lis1 (cdr lis1)) |
| 552 | ;; take files under revision control |
| 553 | (cond ((file-directory-p (concat auxdir1 elt)) |
| 554 | (setq common |
| 555 | (cons (ediff-add-slash-if-directory auxdir1 elt) common))) |
| 556 | ((file-exists-p (concat auxdir1 elt ",v")) |
| 557 | (setq common (cons elt common))) |
| 558 | ((file-exists-p (concat auxdir1 "RCS/" elt ",v")) |
| 559 | (setq common (cons elt common))) |
| 560 | ) ; cond |
| 561 | ) ; while |
| 562 | |
| 563 | (setq common (delete "./" common) |
| 564 | common (delete "../" common) |
| 565 | common (delete "RCS" common)) |
| 566 | |
| 567 | ;; copying is needed because sort sorts via side effects |
| 568 | (setq common (sort (ediff-copy-list common) 'string-lessp)) |
| 569 | |
| 570 | ;; return result |
| 571 | (cons (list regexp auxdir1 nil nil merge-autostore-dir) |
| 572 | (mapcar (function (lambda (elt) |
| 573 | (list (concat auxdir1 elt) |
| 574 | nil nil))) |
| 575 | common)) |
| 576 | )) |
| 577 | |
| 578 | |
| 579 | ;; If file groups selected by patterns will ever be implemented, this |
| 580 | ;; comparison function might become useful. |
| 581 | ;;;; uses external variables PAT1 PAT2 to compare str1/2 |
| 582 | ;;;; patterns must be of the form ???*???? where ??? are strings of chars |
| 583 | ;;;; containing no *. |
| 584 | ;;(defun ediff-pattern= (str1 str2) |
| 585 | ;; (let (pos11 pos12 pos21 pos22 len1 len2) |
| 586 | ;; (setq pos11 0 |
| 587 | ;; len (length epat1) |
| 588 | ;; pos12 len) |
| 589 | ;; (while (and (< pos11 len) (not (= (aref epat1 pos11) ?*))) |
| 590 | ;; (setq pos11 (1+ pos11))) |
| 591 | ;; (while (and (> pos12 0) (not (= (aref epat1 (1- pos12)) ?*))) |
| 592 | ;; (setq pos12 (1- pos12))) |
| 593 | ;; |
| 594 | ;; (setq pos21 0 |
| 595 | ;; len (length epat2) |
| 596 | ;; pos22 len) |
| 597 | ;; (while (and (< pos21 len) (not (= (aref epat2 pos21) ?*))) |
| 598 | ;; (setq pos21 (1+ pos21))) |
| 599 | ;; (while (and (> pos22 0) (not (= (aref epat2 (1- pos22)) ?*))) |
| 600 | ;; (setq pos22 (1- pos22))) |
| 601 | ;; |
| 602 | ;; (if (and (> (length str1) pos12) (>= pos12 pos11) (> pos11 -1) |
| 603 | ;; (> (length str2) pos22) (>= pos22 pos21) (> pos21 -1)) |
| 604 | ;; (string= (substring str1 pos11 pos12) |
| 605 | ;; (substring str2 pos21 pos22))) |
| 606 | ;; )) |
| 607 | |
| 608 | |
| 609 | ;; Prepare meta-buffer in accordance with the argument-function and |
| 610 | ;; redraw-function. Must return the created meta-buffer. |
| 611 | (defun ediff-prepare-meta-buffer (action-func meta-list |
| 612 | meta-buffer-name redraw-function |
| 613 | jobname &optional startup-hooks) |
| 614 | (let* ((meta-buffer-name |
| 615 | (ediff-unique-buffer-name meta-buffer-name "*")) |
| 616 | (meta-buffer (get-buffer-create meta-buffer-name))) |
| 617 | (ediff-with-current-buffer meta-buffer |
| 618 | |
| 619 | ;; comes first |
| 620 | (ediff-meta-mode) |
| 621 | |
| 622 | (setq ediff-meta-action-function action-func |
| 623 | ediff-meta-redraw-function redraw-function |
| 624 | ediff-metajob-name jobname |
| 625 | ediff-meta-buffer meta-buffer) |
| 626 | |
| 627 | ;; comes after ediff-meta-action-function is set |
| 628 | (ediff-setup-meta-map) |
| 629 | |
| 630 | (if (eq ediff-metajob-name 'ediff-registry) |
| 631 | (progn |
| 632 | (setq ediff-registry-buffer meta-buffer |
| 633 | ediff-meta-list meta-list) |
| 634 | ;; this func is used only from registry buffer, not from other |
| 635 | ;; meta-buffs. |
| 636 | (define-key |
| 637 | ediff-meta-buffer-map "M" 'ediff-show-meta-buff-from-registry)) |
| 638 | ;; Initialize the meta list -- don't do this for registry. |
| 639 | ;; |
| 640 | ;; We prepend '(nil nil) to all elts of meta-list, except the first. |
| 641 | ;; The first nil will later be replaced by the session buffer. The |
| 642 | ;; second is reserved for session status. |
| 643 | ;; |
| 644 | ;; (car ediff-meta-list) gets cons'ed with the session group buffer. |
| 645 | ;; Also, session objects A/B/C are turned into lists of the form |
| 646 | ;; (obj eq-indicator). Eq-indicator is either nil or =. Initialized to |
| 647 | ;; nil. If later it is discovered that this file is = to some other |
| 648 | ;; file in the same session, eq-indicator is changed to `='. |
| 649 | ;; For now, the eq-indicator is used only for 2 and 3-file jobs. |
| 650 | (setq ediff-meta-list |
| 651 | (cons (cons meta-buffer (car meta-list)) |
| 652 | (mapcar |
| 653 | (function |
| 654 | (lambda (elt) |
| 655 | (cons nil |
| 656 | (cons nil |
| 657 | ;; convert each obj to (obj nil), |
| 658 | ;; where nil is the initial value |
| 659 | ;; for eq-indicator -- see above |
| 660 | (mapcar |
| 661 | (function (lambda (obj) (list obj nil))) |
| 662 | elt))))) |
| 663 | (cdr meta-list))))) |
| 664 | |
| 665 | (or (eq meta-buffer ediff-registry-buffer) |
| 666 | (setq ediff-session-registry |
| 667 | (cons meta-buffer ediff-session-registry))) |
| 668 | |
| 669 | ;; redraw-function uses ediff-meta-list |
| 670 | (funcall redraw-function ediff-meta-list) |
| 671 | |
| 672 | ;; set read-only/non-modified |
| 673 | (setq buffer-read-only t) |
| 674 | (set-buffer-modified-p nil) |
| 675 | |
| 676 | (run-hooks 'startup-hooks) |
| 677 | |
| 678 | ;; Arrange to show directory contents differences |
| 679 | ;; Must be after run startup-hooks, since ediff-dir-difference-list is |
| 680 | ;; set inside these hooks |
| 681 | (if (eq action-func 'ediff-filegroup-action) |
| 682 | (progn |
| 683 | ;; put meta buffer in (car ediff-dir-difference-list) |
| 684 | (setq ediff-dir-difference-list |
| 685 | (cons (cons meta-buffer (car ediff-dir-difference-list)) |
| 686 | (cdr ediff-dir-difference-list))) |
| 687 | |
| 688 | (or (ediff-one-filegroup-metajob jobname) |
| 689 | (ediff-draw-dir-diffs ediff-dir-difference-list)) |
| 690 | (define-key |
| 691 | ediff-meta-buffer-map "h" 'ediff-mark-for-hiding-at-pos) |
| 692 | (define-key ediff-meta-buffer-map "x" 'ediff-hide-marked-sessions) |
| 693 | (define-key |
| 694 | ediff-meta-buffer-map "m" 'ediff-mark-for-operation-at-pos) |
| 695 | (define-key ediff-meta-buffer-map "u" nil) |
| 696 | (define-key |
| 697 | ediff-meta-buffer-map "um" 'ediff-unmark-all-for-operation) |
| 698 | (define-key |
| 699 | ediff-meta-buffer-map "uh" 'ediff-unmark-all-for-hiding) |
| 700 | (cond ((ediff-collect-diffs-metajob jobname) |
| 701 | (define-key |
| 702 | ediff-meta-buffer-map "P" 'ediff-collect-custom-diffs)) |
| 703 | ((ediff-patch-metajob jobname) |
| 704 | (define-key |
| 705 | ediff-meta-buffer-map "P" 'ediff-meta-show-patch))) |
| 706 | (define-key ediff-meta-buffer-map "^" 'ediff-up-meta-hierarchy) |
| 707 | (define-key ediff-meta-buffer-map "D" 'ediff-show-dir-diffs))) |
| 708 | |
| 709 | (if (eq ediff-metajob-name 'ediff-registry) |
| 710 | (run-hooks 'ediff-registry-setup-hook) |
| 711 | (run-hooks 'ediff-session-group-setup-hook)) |
| 712 | ) ; eval in meta-buffer |
| 713 | meta-buffer)) |
| 714 | |
| 715 | ;; Insert the activity marker for session SESSION in the meta buffer at point |
| 716 | ;; The activity marker is either SPC (untouched session), or + (active session, |
| 717 | ;; i.e., ediff is currently run in it), or - (finished session, i.e., we've ran |
| 718 | ;; ediff in it and then exited) |
| 719 | (defun ediff-insert-session-activity-marker-in-meta-buffer (session) |
| 720 | (insert |
| 721 | (cond ((ediff-get-session-activity-marker session)) |
| 722 | ;; virgin session |
| 723 | (t " ")))) |
| 724 | |
| 725 | ;; Insert session status at point. Status is either ?H (marked for hiding), or |
| 726 | ;; ?I (hidden or invalid), or ?* (meaning marked for an operation; currently, |
| 727 | ;; such op can only be checking for equality)), or SPC (meaning neither marked |
| 728 | ;; nor invalid) |
| 729 | (defun ediff-insert-session-status-in-meta-buffer (session) |
| 730 | (insert |
| 731 | (cond ((ediff-get-session-status session)) ; session has status: ?H, ?I, ?* |
| 732 | ;; normal session, no marks or hidings |
| 733 | (t " ")))) |
| 734 | |
| 735 | ;; If NEW-MARKER is non-nil, use it to substitute the current activity marker |
| 736 | ;; in the meta buffer. If nil, use SPC |
| 737 | (defun ediff-replace-session-activity-marker-in-meta-buffer (point new-marker) |
| 738 | (let* ((overl (ediff-get-meta-overlay-at-pos point)) |
| 739 | (session-info (ediff-overlay-get overl 'ediff-meta-info)) |
| 740 | (activity-marker (ediff-get-session-activity-marker session-info)) |
| 741 | buffer-read-only) |
| 742 | (or new-marker activity-marker (setq new-marker ?\ )) |
| 743 | (goto-char (ediff-overlay-start overl)) |
| 744 | (if (eq (char-after (point)) new-marker) |
| 745 | () ; if marker shown in buffer is the same as new-marker, do nothing |
| 746 | (insert new-marker) |
| 747 | (delete-char 1) |
| 748 | (set-buffer-modified-p nil)))) |
| 749 | |
| 750 | ;; If NEW-STATUS is non-nil, use it to substitute the current status marker in |
| 751 | ;; the meta buffer. If nil, use SPC |
| 752 | (defun ediff-replace-session-status-in-meta-buffer (point new-status) |
| 753 | (let* ((overl (ediff-get-meta-overlay-at-pos point)) |
| 754 | (session-info (ediff-overlay-get overl 'ediff-meta-info)) |
| 755 | (status (ediff-get-session-status session-info)) |
| 756 | buffer-read-only) |
| 757 | (setq new-status (or new-status status ?\ )) |
| 758 | (goto-char (ediff-overlay-start overl)) |
| 759 | (forward-char 1) ; status is the second char in session record |
| 760 | (if (eq (char-after (point)) new-status) |
| 761 | () ; if marker shown in buffer is the same as new-marker, do nothing |
| 762 | (insert new-status) |
| 763 | (delete-char 1) |
| 764 | (set-buffer-modified-p nil)))) |
| 765 | |
| 766 | ;; insert all file info in meta buffer for a given session |
| 767 | (defun ediff-insert-session-info-in-meta-buffer (session-info sessionNum) |
| 768 | (let ((f1 (ediff-get-session-objA session-info)) |
| 769 | (f2 (ediff-get-session-objB session-info)) |
| 770 | (f3 (ediff-get-session-objC session-info)) |
| 771 | (pt (point)) |
| 772 | (hidden (eq (ediff-get-session-status session-info) ?I))) |
| 773 | ;; insert activity marker, i.e., SPC, - or + |
| 774 | (ediff-insert-session-activity-marker-in-meta-buffer session-info) |
| 775 | ;; insert session status, i.e., *, H |
| 776 | (ediff-insert-session-status-in-meta-buffer session-info) |
| 777 | (insert " Session " (int-to-string sessionNum) ":\n") |
| 778 | (ediff-meta-insert-file-info1 f1) |
| 779 | (ediff-meta-insert-file-info1 f2) |
| 780 | (ediff-meta-insert-file-info1 f3) |
| 781 | (ediff-set-meta-overlay pt (point) session-info sessionNum hidden))) |
| 782 | |
| 783 | |
| 784 | ;; this is a setup function for ediff-directories |
| 785 | ;; must return meta-buffer |
| 786 | (defun ediff-redraw-directory-group-buffer (meta-list) |
| 787 | ;; extract directories |
| 788 | (let ((meta-buf (ediff-get-group-buffer meta-list)) |
| 789 | (empty t) |
| 790 | (sessionNum 0) |
| 791 | regexp elt merge-autostore-dir |
| 792 | point tmp-list buffer-read-only) |
| 793 | (ediff-with-current-buffer meta-buf |
| 794 | (setq point (point)) |
| 795 | (erase-buffer) |
| 796 | ;; delete phony overlays that used to represent sessions before the buff |
| 797 | ;; was redrawn |
| 798 | (if ediff-emacs-p |
| 799 | (mapcar 'delete-overlay (overlays-in 1 1)) |
| 800 | (map-extents 'delete-extent)) |
| 801 | |
| 802 | (insert (format ediff-meta-buffer-message |
| 803 | (ediff-abbrev-jobname ediff-metajob-name))) |
| 804 | |
| 805 | (setq regexp (ediff-get-group-regexp meta-list) |
| 806 | merge-autostore-dir |
| 807 | (ediff-get-group-merge-autostore-dir meta-list)) |
| 808 | |
| 809 | (cond ((ediff-collect-diffs-metajob) |
| 810 | (insert |
| 811 | " P:\tcollect custom diffs of all marked sessions\n")) |
| 812 | ((ediff-patch-metajob) |
| 813 | (insert |
| 814 | " P:\tshow patch appropriately for the context (session or group)\n"))) |
| 815 | (insert |
| 816 | " ^:\tshow parent session group\n") |
| 817 | (or (ediff-one-filegroup-metajob) |
| 818 | (insert |
| 819 | " D:\tshow differences among directories\n" |
| 820 | " ==:\tfor each session, show which files are identical\n" |
| 821 | " =h:\tlike ==, but also marks those sessions for hiding\n" |
| 822 | " =m:\tlike ==, but also marks those sessions for operation\n\n")) |
| 823 | |
| 824 | (insert "\n") |
| 825 | (if (and (stringp regexp) (> (length regexp) 0)) |
| 826 | (insert |
| 827 | (format "*** Filter-through regular expression: %s\n" regexp))) |
| 828 | (ediff-insert-dirs-in-meta-buffer meta-list) |
| 829 | (if (and ediff-autostore-merges (ediff-merge-metajob) |
| 830 | (stringp merge-autostore-dir)) |
| 831 | (insert (format |
| 832 | "\nMerge results are automatically stored in:\n\t%s\n" |
| 833 | merge-autostore-dir))) |
| 834 | (insert "\n |
| 835 | Size Last modified Name |
| 836 | ---------------------------------------------- |
| 837 | |
| 838 | ") |
| 839 | |
| 840 | ;; discard info on directories and regexp |
| 841 | (setq meta-list (cdr meta-list) |
| 842 | tmp-list meta-list) |
| 843 | (while (and tmp-list empty) |
| 844 | (if (and (car tmp-list) |
| 845 | (not (eq (ediff-get-session-status (car tmp-list)) ?I))) |
| 846 | (setq empty nil)) |
| 847 | (setq tmp-list (cdr tmp-list))) |
| 848 | |
| 849 | (if empty |
| 850 | (insert |
| 851 | " ****** ****** This session group has no members\n")) |
| 852 | |
| 853 | ;; now organize file names like this: |
| 854 | ;; use-mark sizeA dateA sizeB dateB filename |
| 855 | ;; make sure directories are displayed with a trailing slash. |
| 856 | (while meta-list |
| 857 | (setq elt (car meta-list) |
| 858 | meta-list (cdr meta-list) |
| 859 | sessionNum (1+ sessionNum)) |
| 860 | (if (eq (ediff-get-session-status elt) ?I) |
| 861 | () |
| 862 | (ediff-insert-session-info-in-meta-buffer elt sessionNum))) |
| 863 | (set-buffer-modified-p nil) |
| 864 | (goto-char point) |
| 865 | meta-buf))) |
| 866 | |
| 867 | (defun ediff-update-markers-in-dir-meta-buffer (meta-list) |
| 868 | (let ((meta-buf (ediff-get-group-buffer meta-list)) |
| 869 | session-info point overl buffer-read-only) |
| 870 | (ediff-with-current-buffer meta-buf |
| 871 | (setq point (point)) |
| 872 | (goto-char (point-min)) |
| 873 | (ediff-next-meta-item1) |
| 874 | (while (not (bobp)) |
| 875 | (setq session-info (ediff-get-meta-info meta-buf (point) 'no-error) |
| 876 | overl (ediff-get-meta-overlay-at-pos (point))) |
| 877 | (if session-info |
| 878 | (progn |
| 879 | (cond ((eq (ediff-get-session-status session-info) ?I) |
| 880 | ;; Do hiding |
| 881 | (if overl (ediff-overlay-put overl 'invisible t))) |
| 882 | ((and (eq (ediff-get-session-status session-info) ?H) |
| 883 | overl (ediff-overlay-get overl 'invisible)) |
| 884 | ;; Do unhiding |
| 885 | (ediff-overlay-put overl 'invisible nil)) |
| 886 | (t (ediff-replace-session-activity-marker-in-meta-buffer |
| 887 | (point) |
| 888 | (ediff-get-session-activity-marker session-info)) |
| 889 | (ediff-replace-session-status-in-meta-buffer |
| 890 | (point) |
| 891 | (ediff-get-session-status session-info)))))) |
| 892 | (ediff-next-meta-item1) ; advance to the next item |
| 893 | ) ; end while |
| 894 | (set-buffer-modified-p nil) |
| 895 | (goto-char point)) |
| 896 | meta-buf)) |
| 897 | |
| 898 | (defun ediff-update-session-marker-in-dir-meta-buffer (session-num) |
| 899 | (let (buffer-meta-overlays session-info overl buffer-read-only) |
| 900 | (setq overl |
| 901 | (if ediff-xemacs-p |
| 902 | (map-extents |
| 903 | (function |
| 904 | (lambda (ext maparg) |
| 905 | (if (and |
| 906 | (ediff-overlay-get ext 'ediff-meta-info) |
| 907 | (eq (ediff-overlay-get ext 'ediff-meta-session-number) |
| 908 | session-num)) |
| 909 | ext)))) |
| 910 | ;; Emacs doesn't have map-extents, so try harder |
| 911 | ;; Splice overlay lists to get all buffer overlays |
| 912 | (setq buffer-meta-overlays (overlay-lists) |
| 913 | buffer-meta-overlays (append (car buffer-meta-overlays) |
| 914 | (cdr buffer-meta-overlays))) |
| 915 | (car |
| 916 | (delq nil |
| 917 | (mapcar |
| 918 | (function |
| 919 | (lambda (overl) |
| 920 | (if (and |
| 921 | (ediff-overlay-get overl 'ediff-meta-info) |
| 922 | (eq (ediff-overlay-get |
| 923 | overl 'ediff-meta-session-number) |
| 924 | session-num)) |
| 925 | overl))) |
| 926 | buffer-meta-overlays))))) |
| 927 | (or overl |
| 928 | (error |
| 929 | "Bug in ediff-update-session-marker-in-dir-meta-buffer: no overlay with given number %S" |
| 930 | session-num)) |
| 931 | (setq session-info (ediff-overlay-get overl 'ediff-meta-info)) |
| 932 | (goto-char (ediff-overlay-start overl)) |
| 933 | (ediff-replace-session-activity-marker-in-meta-buffer |
| 934 | (point) |
| 935 | (ediff-get-session-activity-marker session-info)) |
| 936 | (ediff-replace-session-status-in-meta-buffer |
| 937 | (point) |
| 938 | (ediff-get-session-status session-info))) |
| 939 | (ediff-next-meta-item1)) |
| 940 | |
| 941 | |
| 942 | |
| 943 | ;; Check if this is a problematic session. |
| 944 | ;; Return nil if not. Otherwise, return symbol representing the problem |
| 945 | ;; At present, problematic sessions occur only in -with-ancestor comparisons |
| 946 | ;; when the ancestor is a directory rather than a file, or when there is no |
| 947 | ;; suitable ancestor file in the ancestor directory |
| 948 | (defun ediff-problematic-session-p (session) |
| 949 | (let ((f1 (ediff-get-session-objA-name session)) |
| 950 | (f2 (ediff-get-session-objB-name session)) |
| 951 | (f3 (ediff-get-session-objC-name session))) |
| 952 | (cond ((and (stringp f1) (not (file-directory-p f1)) |
| 953 | (stringp f2) (not (file-directory-p f2)) |
| 954 | ;; either invalid file name or a directory |
| 955 | (or (not (stringp f3)) (file-directory-p f3)) |
| 956 | (ediff-ancestor-metajob)) |
| 957 | ;; more may be added later |
| 958 | 'ancestor-is-dir) |
| 959 | (t nil)))) |
| 960 | |
| 961 | (defun ediff-meta-insert-file-info1 (fileinfo) |
| 962 | (let ((fname (car fileinfo)) |
| 963 | (feq (ediff-get-file-eqstatus fileinfo)) |
| 964 | (max-filename-width (if ediff-meta-truncate-filenames |
| 965 | (- (window-width) 41) |
| 966 | 500)) |
| 967 | file-modtime file-size) |
| 968 | (cond ((not (stringp fname)) (setq file-size -2)) ; file doesn't exits |
| 969 | ((not (ediff-file-remote-p fname)) |
| 970 | (if (file-exists-p fname) |
| 971 | ;; set real size and modtime |
| 972 | (setq file-size (ediff-file-size fname) |
| 973 | file-modtime (ediff-file-modtime fname)) |
| 974 | (setq file-size -2))) ; file doesn't exist |
| 975 | ( t (setq file-size -1))) ; remote file |
| 976 | (if (stringp fname) |
| 977 | (insert |
| 978 | (format |
| 979 | "%s %s %-20s %s\n" |
| 980 | (if feq "=" " ") ; equality indicator |
| 981 | (format "%10s" (cond ((= file-size -1) "--") |
| 982 | ((< file-size -1) "--") |
| 983 | (t file-size))) |
| 984 | (cond ((= file-size -1) "*remote file*") |
| 985 | ((< file-size -1) "*file doesn't exist*") |
| 986 | (t (ediff-format-date (decode-time file-modtime)))) |
| 987 | |
| 988 | ;; dir names in meta lists have training slashes, so we just |
| 989 | ;; abbreviate the file name, if file exists |
| 990 | (if (and (not (stringp fname)) (< file-size -1)) |
| 991 | "-------" ; file doesn't exist |
| 992 | (ediff-truncate-string-left |
| 993 | (ediff-abbreviate-file-name fname) |
| 994 | max-filename-width))))))) |
| 995 | |
| 996 | (defconst ediff-months '((1 . "Jan") (2 . "Feb") (3 . "Mar") (4 . "Apr") |
| 997 | (5 . "May") (6 . "Jun") (7 . "Jul") (8 . "Aug") |
| 998 | (9 . "Sep") (10 . "Oct") (11 . "Nov") (12 . "Dec")) |
| 999 | "Months' associative array.") |
| 1000 | |
| 1001 | ;; returns 2char string |
| 1002 | (defsubst ediff-fill-leading-zero (num) |
| 1003 | (if (< num 10) |
| 1004 | (format "0%d" num) |
| 1005 | (number-to-string num))) |
| 1006 | |
| 1007 | ;; TIME is like the output of decode-time |
| 1008 | (defun ediff-format-date (time) |
| 1009 | (format "%s %2d %4d %s:%s:%s" |
| 1010 | (cdr (assoc (nth 4 time) ediff-months)) ; month |
| 1011 | (nth 3 time) ; day |
| 1012 | (nth 5 time) ; year |
| 1013 | (ediff-fill-leading-zero (nth 2 time)) ; hour |
| 1014 | (ediff-fill-leading-zero (nth 1 time)) ; min |
| 1015 | (ediff-fill-leading-zero (nth 0 time)) ; sec |
| 1016 | )) |
| 1017 | |
| 1018 | ;; Draw the directories |
| 1019 | (defun ediff-insert-dirs-in-meta-buffer (meta-list) |
| 1020 | (let* ((dir1 (ediff-abbreviate-file-name (ediff-get-group-objA meta-list))) |
| 1021 | (dir2 (ediff-get-group-objB meta-list)) |
| 1022 | (dir2 (if (stringp dir2) (ediff-abbreviate-file-name dir2))) |
| 1023 | (dir3 (ediff-get-group-objC meta-list)) |
| 1024 | (dir3 (if (stringp dir3) (ediff-abbreviate-file-name dir3)))) |
| 1025 | (insert "*** Directory A: " dir1 "\n") |
| 1026 | (if dir2 (insert "*** Directory B: " dir2 "\n")) |
| 1027 | (if dir3 (insert "*** Directory C: " dir3 "\n")) |
| 1028 | (insert "\n"))) |
| 1029 | |
| 1030 | (defun ediff-draw-dir-diffs (diff-list) |
| 1031 | (if (null diff-list) (error "Lost difference info on these directories")) |
| 1032 | (let* ((buf-name (ediff-unique-buffer-name |
| 1033 | "*Ediff File Group Differences" "*")) |
| 1034 | (regexp (ediff-get-group-regexp diff-list)) |
| 1035 | (dir1 (ediff-abbreviate-file-name (ediff-get-group-objA diff-list))) |
| 1036 | (dir2 (ediff-abbreviate-file-name (ediff-get-group-objB diff-list))) |
| 1037 | (dir3 (ediff-get-group-objC diff-list)) |
| 1038 | (dir3 (if (stringp dir3) (ediff-abbreviate-file-name dir3))) |
| 1039 | (meta-buf (ediff-get-group-buffer diff-list)) |
| 1040 | (underline (make-string 26 ?-)) |
| 1041 | file code |
| 1042 | buffer-read-only) |
| 1043 | ;; skip the directory part |
| 1044 | (setq diff-list (cdr diff-list)) |
| 1045 | (setq ediff-dir-diffs-buffer (get-buffer-create buf-name)) |
| 1046 | (ediff-with-current-buffer ediff-dir-diffs-buffer |
| 1047 | (use-local-map ediff-dir-diffs-buffer-map) |
| 1048 | (erase-buffer) |
| 1049 | (setq ediff-meta-buffer meta-buf) |
| 1050 | (insert "\t\t*** Directory Differences ***\n") |
| 1051 | (insert " |
| 1052 | Useful commands: |
| 1053 | `q': hide this buffer |
| 1054 | n,SPC: next line |
| 1055 | p,DEL: previous line\n\n") |
| 1056 | |
| 1057 | (if (and (stringp regexp) (> (length regexp) 0)) |
| 1058 | (insert |
| 1059 | (format "\n*** Filter-through regular expression: %s\n" regexp))) |
| 1060 | (insert "\n") |
| 1061 | (insert (format "\n%-27s%-26s" |
| 1062 | (ediff-truncate-string-left |
| 1063 | (ediff-abbreviate-file-name |
| 1064 | (file-name-as-directory dir1)) |
| 1065 | 25) |
| 1066 | (ediff-truncate-string-left |
| 1067 | (ediff-abbreviate-file-name |
| 1068 | (file-name-as-directory dir2)) |
| 1069 | 25))) |
| 1070 | (if dir3 |
| 1071 | (insert (format " %-25s\n" |
| 1072 | (ediff-truncate-string-left |
| 1073 | (ediff-abbreviate-file-name |
| 1074 | (file-name-as-directory dir3)) |
| 1075 | 25))) |
| 1076 | (insert "\n")) |
| 1077 | (insert (format "%s%s" underline underline)) |
| 1078 | (if (stringp dir3) |
| 1079 | (insert (format "%s\n\n" underline)) |
| 1080 | (insert "\n\n")) |
| 1081 | |
| 1082 | (if (null diff-list) |
| 1083 | (insert "\n\t*** No differences ***\n")) |
| 1084 | |
| 1085 | (while diff-list |
| 1086 | (setq file (car (car diff-list)) |
| 1087 | code (cdr (car diff-list)) |
| 1088 | diff-list (cdr diff-list)) |
| 1089 | (if (= (mod code 2) 0) ; dir1 |
| 1090 | (insert (format "%-27s" |
| 1091 | (ediff-truncate-string-left |
| 1092 | (ediff-abbreviate-file-name |
| 1093 | (if (file-directory-p (concat dir1 file)) |
| 1094 | (file-name-as-directory file) |
| 1095 | file)) |
| 1096 | 24))) |
| 1097 | (insert (format "%-27s" "---"))) |
| 1098 | (if (= (mod code 3) 0) ; dir2 |
| 1099 | (insert (format "%-26s" |
| 1100 | (ediff-truncate-string-left |
| 1101 | (ediff-abbreviate-file-name |
| 1102 | (if (file-directory-p (concat dir2 file)) |
| 1103 | (file-name-as-directory file) |
| 1104 | file)) |
| 1105 | 24))) |
| 1106 | (insert (format "%-26s" "---"))) |
| 1107 | (if (stringp dir3) |
| 1108 | (if (= (mod code 5) 0) ; dir3 |
| 1109 | (insert (format " %-25s" |
| 1110 | (ediff-truncate-string-left |
| 1111 | (ediff-abbreviate-file-name |
| 1112 | (if (file-directory-p (concat dir3 file)) |
| 1113 | (file-name-as-directory file) |
| 1114 | file)) |
| 1115 | 24))) |
| 1116 | (insert (format " %-25s" "---")))) |
| 1117 | (insert "\n")) |
| 1118 | (setq buffer-read-only t) |
| 1119 | (set-buffer-modified-p nil)) ; eval in diff buffer |
| 1120 | )) |
| 1121 | |
| 1122 | (defun ediff-bury-dir-diffs-buffer () |
| 1123 | "Bury the directory difference buffer. Display the meta buffer instead." |
| 1124 | (interactive) |
| 1125 | (let ((buf ediff-meta-buffer) |
| 1126 | wind) |
| 1127 | (bury-buffer) |
| 1128 | (if (setq wind (ediff-get-visible-buffer-window buf)) |
| 1129 | (select-window wind) |
| 1130 | (set-window-buffer (selected-window) buf)))) |
| 1131 | |
| 1132 | ;; executes in dir session group buffer |
| 1133 | ;; show buffer differences |
| 1134 | (defun ediff-show-dir-diffs () |
| 1135 | "Display differences among the directories involved in session group." |
| 1136 | (interactive) |
| 1137 | (if (ediff-one-filegroup-metajob) |
| 1138 | (error "This command is inapplicable in the present context")) |
| 1139 | (or (ediff-buffer-live-p ediff-dir-diffs-buffer) |
| 1140 | (ediff-draw-dir-diffs ediff-dir-difference-list)) |
| 1141 | (let ((buf ediff-dir-diffs-buffer)) |
| 1142 | (other-window 1) |
| 1143 | (set-window-buffer (selected-window) buf) |
| 1144 | (goto-char (point-min)))) |
| 1145 | |
| 1146 | (defun ediff-up-meta-hierarchy () |
| 1147 | "Go to the parent session group buffer." |
| 1148 | (interactive) |
| 1149 | (if (ediff-buffer-live-p ediff-parent-meta-buffer) |
| 1150 | (ediff-show-meta-buffer |
| 1151 | ediff-parent-meta-buffer ediff-meta-session-number) |
| 1152 | (error "This session group has no parent"))) |
| 1153 | |
| 1154 | |
| 1155 | ;; argument is ignored |
| 1156 | (defun ediff-redraw-registry-buffer (&optional ignore) |
| 1157 | (ediff-with-current-buffer ediff-registry-buffer |
| 1158 | (let ((point (point)) |
| 1159 | elt bufAname bufBname bufCname cur-diff total-diffs pt |
| 1160 | job-name meta-list registry-list buffer-read-only) |
| 1161 | (erase-buffer) |
| 1162 | ;; delete phony overlays that used to represent sessions before the buff |
| 1163 | ;; was redrawn |
| 1164 | (if ediff-emacs-p |
| 1165 | (mapcar 'delete-overlay (overlays-in 1 1)) |
| 1166 | (map-extents 'delete-extent)) |
| 1167 | |
| 1168 | (insert "This is a registry of all active Ediff sessions. |
| 1169 | |
| 1170 | Useful commands: |
| 1171 | button2, `v', RET over a session record: switch to that session |
| 1172 | M over a session record: display the associated session group |
| 1173 | R in any Ediff session: display session registry |
| 1174 | n,SPC: next session |
| 1175 | p,DEL: previous session |
| 1176 | E: browse Ediff on-line manual |
| 1177 | q: bury registry |
| 1178 | |
| 1179 | |
| 1180 | \t\tActive Ediff Sessions: |
| 1181 | \t\t---------------------- |
| 1182 | |
| 1183 | ") |
| 1184 | ;; purge registry list from dead buffers |
| 1185 | (mapcar (function (lambda (elt) |
| 1186 | (if (not (ediff-buffer-live-p elt)) |
| 1187 | (setq ediff-session-registry |
| 1188 | (delq elt ediff-session-registry))))) |
| 1189 | ediff-session-registry) |
| 1190 | |
| 1191 | (if (null ediff-session-registry) |
| 1192 | (insert " ******* No active Ediff sessions *******\n")) |
| 1193 | |
| 1194 | (setq registry-list ediff-session-registry) |
| 1195 | (while registry-list |
| 1196 | (setq elt (car registry-list) |
| 1197 | registry-list (cdr registry-list)) |
| 1198 | |
| 1199 | (if (ediff-buffer-live-p elt) |
| 1200 | (if (ediff-with-current-buffer elt |
| 1201 | (setq job-name ediff-metajob-name |
| 1202 | meta-list ediff-meta-list) |
| 1203 | (and ediff-metajob-name |
| 1204 | (not (eq ediff-metajob-name 'ediff-registry)))) |
| 1205 | (progn |
| 1206 | (setq pt (point)) |
| 1207 | (insert (format " *group*\t%s: %s\n" |
| 1208 | (buffer-name elt) |
| 1209 | (ediff-abbrev-jobname job-name))) |
| 1210 | (insert (format "\t\t %s %s %s\n" |
| 1211 | (ediff-abbreviate-file-name |
| 1212 | (ediff-get-group-objA meta-list)) |
| 1213 | (ediff-abbreviate-file-name |
| 1214 | (if (stringp |
| 1215 | (ediff-get-group-objB meta-list)) |
| 1216 | (ediff-get-group-objB meta-list) |
| 1217 | "")) |
| 1218 | (ediff-abbreviate-file-name |
| 1219 | (if (stringp |
| 1220 | (ediff-get-group-objC meta-list)) |
| 1221 | (ediff-get-group-objC meta-list) |
| 1222 | "")))) |
| 1223 | (ediff-set-meta-overlay pt (point) elt)) |
| 1224 | (progn |
| 1225 | (ediff-with-current-buffer elt |
| 1226 | (setq bufAname (if (ediff-buffer-live-p ediff-buffer-A) |
| 1227 | (buffer-name ediff-buffer-A) |
| 1228 | "!!!killed buffer!!!") |
| 1229 | bufBname (if (ediff-buffer-live-p ediff-buffer-B) |
| 1230 | (buffer-name ediff-buffer-B) |
| 1231 | "!!!killed buffer!!!") |
| 1232 | bufCname (cond ((not (ediff-3way-job)) |
| 1233 | "") |
| 1234 | ((ediff-buffer-live-p ediff-buffer-C) |
| 1235 | (buffer-name ediff-buffer-C)) |
| 1236 | (t "!!!killed buffer!!!"))) |
| 1237 | (setq total-diffs (format "%-4d" ediff-number-of-differences) |
| 1238 | cur-diff |
| 1239 | (cond ((= ediff-current-difference -1) " _") |
| 1240 | ((= ediff-current-difference |
| 1241 | ediff-number-of-differences) |
| 1242 | " $") |
| 1243 | (t (format |
| 1244 | "%4d" (1+ ediff-current-difference)))) |
| 1245 | job-name ediff-job-name)) |
| 1246 | ;; back in the meta buf |
| 1247 | (setq pt (point)) |
| 1248 | (insert cur-diff "/" total-diffs "\t" |
| 1249 | (buffer-name elt) |
| 1250 | (format ": %s" (ediff-abbrev-jobname job-name))) |
| 1251 | (insert |
| 1252 | "\n\t\t " bufAname " " bufBname " " bufCname "\n") |
| 1253 | (ediff-set-meta-overlay pt (point) elt)))) |
| 1254 | ) ; while |
| 1255 | (set-buffer-modified-p nil) |
| 1256 | (goto-char point) |
| 1257 | ))) |
| 1258 | |
| 1259 | ;; Sets overlay around a meta record with 'ediff-meta-info property PROP |
| 1260 | ;; If optional SESSION-NUMBER, make it a property of the overlay, |
| 1261 | ;; ediff-meta-session-number |
| 1262 | (defun ediff-set-meta-overlay (b e prop &optional session-number hidden) |
| 1263 | (let (overl) |
| 1264 | (setq overl (ediff-make-overlay b e)) |
| 1265 | (if ediff-emacs-p |
| 1266 | (ediff-overlay-put overl 'mouse-face 'highlight) |
| 1267 | (ediff-overlay-put overl 'highlight t)) |
| 1268 | (ediff-overlay-put overl 'ediff-meta-info prop) |
| 1269 | (ediff-overlay-put overl 'invisible hidden) |
| 1270 | (if (numberp session-number) |
| 1271 | (ediff-overlay-put overl 'ediff-meta-session-number session-number)))) |
| 1272 | |
| 1273 | (defun ediff-mark-for-hiding-at-pos (unmark) |
| 1274 | "Mark session for hiding. With prefix arg, unmark." |
| 1275 | (interactive "P") |
| 1276 | (let* ((pos (ediff-event-point last-command-event)) |
| 1277 | (meta-buf (ediff-event-buffer last-command-event)) |
| 1278 | ;; ediff-get-meta-info gives error if meta-buf or pos are invalid |
| 1279 | (info (ediff-get-meta-info meta-buf pos)) |
| 1280 | (session-number (ediff-get-session-number-at-pos pos))) |
| 1281 | (ediff-mark-session-for-hiding info unmark) |
| 1282 | (ediff-next-meta-item 1) |
| 1283 | (save-excursion |
| 1284 | (ediff-update-meta-buffer meta-buf nil session-number)) |
| 1285 | )) |
| 1286 | |
| 1287 | ;; Returns whether session was marked or unmarked |
| 1288 | (defun ediff-mark-session-for-hiding (info unmark) |
| 1289 | (let ((session-buf (ediff-get-session-buffer info)) |
| 1290 | ignore) |
| 1291 | (cond ((eq unmark 'mark) (setq unmark nil)) |
| 1292 | ((eq (ediff-get-session-status info) ?H) (setq unmark t)) |
| 1293 | (unmark ; says unmark, but the marker is different from H |
| 1294 | (setq ignore t))) |
| 1295 | (cond (ignore) |
| 1296 | (unmark (ediff-set-session-status info nil)) |
| 1297 | ;;; (if (ediff-buffer-live-p session-buf) |
| 1298 | ;;; (error "Can't hide active session, %s" (buffer-name session-buf))) |
| 1299 | (t (ediff-set-session-status info ?H)))) |
| 1300 | unmark) |
| 1301 | |
| 1302 | |
| 1303 | (defun ediff-mark-for-operation-at-pos (unmark) |
| 1304 | "Mark session for a group operation. With prefix arg, unmark." |
| 1305 | (interactive "P") |
| 1306 | (let* ((pos (ediff-event-point last-command-event)) |
| 1307 | (meta-buf (ediff-event-buffer last-command-event)) |
| 1308 | ;; ediff-get-meta-info gives error if meta-buf or pos are invalid |
| 1309 | (info (ediff-get-meta-info meta-buf pos)) |
| 1310 | (session-number (ediff-get-session-number-at-pos pos))) |
| 1311 | (ediff-mark-session-for-operation info unmark) |
| 1312 | (ediff-next-meta-item 1) |
| 1313 | (save-excursion |
| 1314 | (ediff-update-meta-buffer meta-buf nil session-number)) |
| 1315 | )) |
| 1316 | |
| 1317 | |
| 1318 | ;; returns whether session was unmarked. |
| 1319 | ;; remember: this is a toggle op |
| 1320 | (defun ediff-mark-session-for-operation (info unmark) |
| 1321 | (let (ignore) |
| 1322 | (cond ((eq unmark 'mark) (setq unmark nil)) |
| 1323 | ((eq (ediff-get-session-status info) ?*) (setq unmark t)) |
| 1324 | (unmark ; says unmark, but the marker is different from * |
| 1325 | (setq ignore t))) |
| 1326 | (cond (ignore) |
| 1327 | (unmark (ediff-set-session-status info nil)) |
| 1328 | (t (ediff-set-session-status info ?*)))) |
| 1329 | unmark) |
| 1330 | |
| 1331 | |
| 1332 | (defun ediff-hide-marked-sessions (unhide) |
| 1333 | "Hide marked sessions. With prefix arg, unhide." |
| 1334 | (interactive "P") |
| 1335 | (let ((grp-buf (ediff-get-group-buffer ediff-meta-list)) |
| 1336 | (meta-list (cdr ediff-meta-list)) |
| 1337 | (from (if unhide ?I ?H)) |
| 1338 | (to (if unhide ?H ?I)) |
| 1339 | (numMarked 0) |
| 1340 | active-sessions-exist session-buf elt) |
| 1341 | (while meta-list |
| 1342 | (setq elt (car meta-list) |
| 1343 | meta-list (cdr meta-list) |
| 1344 | session-buf (ediff-get-session-buffer elt)) |
| 1345 | |
| 1346 | (if (eq (ediff-get-session-status elt) from) |
| 1347 | (progn |
| 1348 | (setq numMarked (1+ numMarked)) |
| 1349 | (if (and (eq to ?I) (buffer-live-p session-buf)) |
| 1350 | ;; shouldn't hide active sessions |
| 1351 | (setq active-sessions-exist t) |
| 1352 | (ediff-set-session-status elt to))))) |
| 1353 | (if (> numMarked 0) |
| 1354 | (ediff-update-meta-buffer grp-buf) |
| 1355 | (beep) |
| 1356 | (if unhide |
| 1357 | (message "Nothing to reveal...") |
| 1358 | (message "Nothing to hide..."))) |
| 1359 | (if active-sessions-exist |
| 1360 | (message "Note: Ediff didn't hide active sessions!")) |
| 1361 | )) |
| 1362 | |
| 1363 | ;; Apply OPERATION to marked sessions. Operation expects one argument of type |
| 1364 | ;; meta-list member (not the first one), i.e., a regular session description. |
| 1365 | ;; Returns number of marked sessions on which operation was performed |
| 1366 | (defun ediff-operate-on-marked-sessions (operation) |
| 1367 | (let ((grp-buf (ediff-get-group-buffer ediff-meta-list)) |
| 1368 | (meta-list (cdr ediff-meta-list)) |
| 1369 | (marksym ?*) |
| 1370 | (numMarked 0) |
| 1371 | (sessionNum 0) |
| 1372 | (diff-buffer ediff-meta-diff-buffer) |
| 1373 | session-buf elt) |
| 1374 | (while meta-list |
| 1375 | (setq elt (car meta-list) |
| 1376 | meta-list (cdr meta-list) |
| 1377 | sessionNum (1+ sessionNum)) |
| 1378 | (cond ((eq (ediff-get-session-status elt) marksym) |
| 1379 | (save-excursion |
| 1380 | (setq numMarked (1+ numMarked)) |
| 1381 | (funcall operation elt sessionNum))) |
| 1382 | ((and (ediff-meta-session-p elt) |
| 1383 | (ediff-buffer-live-p |
| 1384 | (setq session-buf (ediff-get-session-buffer elt)))) |
| 1385 | (setq numMarked |
| 1386 | (+ numMarked |
| 1387 | (ediff-with-current-buffer session-buf |
| 1388 | ;; pass meta-diff along |
| 1389 | (setq ediff-meta-diff-buffer diff-buffer) |
| 1390 | ;; collect diffs in child group |
| 1391 | (ediff-operate-on-marked-sessions operation))))))) |
| 1392 | (ediff-update-meta-buffer grp-buf 'must-redraw) ; just in case |
| 1393 | numMarked |
| 1394 | )) |
| 1395 | |
| 1396 | (defun ediff-append-custom-diff (session sessionNum) |
| 1397 | (or (ediff-collect-diffs-metajob) |
| 1398 | (error "Hmm, I'd hate to do it to you ...")) |
| 1399 | (let ((session-buf (ediff-get-session-buffer session)) |
| 1400 | (meta-diff-buff ediff-meta-diff-buffer) |
| 1401 | (metajob ediff-metajob-name) |
| 1402 | tmp-buf custom-diff-buf) |
| 1403 | (if (ediff-buffer-live-p session-buf) |
| 1404 | (ediff-with-current-buffer session-buf |
| 1405 | (if (eq ediff-control-buffer session-buf) ; individual session |
| 1406 | (progn |
| 1407 | (ediff-compute-custom-diffs-maybe) |
| 1408 | (setq custom-diff-buf ediff-custom-diff-buffer))))) |
| 1409 | |
| 1410 | (or (ediff-buffer-live-p meta-diff-buff) |
| 1411 | (error "Ediff: something wrong--no multiple diffs buffer")) |
| 1412 | |
| 1413 | (cond ((ediff-buffer-live-p custom-diff-buf) |
| 1414 | (save-excursion |
| 1415 | (set-buffer meta-diff-buff) |
| 1416 | (goto-char (point-max)) |
| 1417 | (insert-buffer custom-diff-buf) |
| 1418 | (insert "\n"))) |
| 1419 | ((memq metajob '(ediff-directories |
| 1420 | ediff-merge-directories |
| 1421 | ediff-merge-directories-with-ancestor)) |
| 1422 | ;; get diffs by calling shell command on ediff-custom-diff-program |
| 1423 | (save-excursion |
| 1424 | (set-buffer (setq tmp-buf (get-buffer-create ediff-tmp-buffer))) |
| 1425 | (erase-buffer) |
| 1426 | (shell-command |
| 1427 | (format "%s %s %s %s" |
| 1428 | ediff-custom-diff-program ediff-custom-diff-options |
| 1429 | (ediff-get-session-objA-name session) |
| 1430 | (ediff-get-session-objB-name session)) |
| 1431 | t)) |
| 1432 | (save-excursion |
| 1433 | (set-buffer meta-diff-buff) |
| 1434 | (goto-char (point-max)) |
| 1435 | (insert-buffer tmp-buf) |
| 1436 | (insert "\n"))) |
| 1437 | (t |
| 1438 | (error "Can't make context diff for Session %d" sessionNum ))) |
| 1439 | )) |
| 1440 | |
| 1441 | (defun ediff-collect-custom-diffs () |
| 1442 | "Collect custom diffs of marked sessions in buffer `*Ediff Multifile Diffs*'. |
| 1443 | This operation is defined only for `ediff-directories' and |
| 1444 | `ediff-directory-revisions', since its intent is to produce |
| 1445 | multifile patches. For `ediff-directory-revisions', we insist that |
| 1446 | all marked sessions must be active." |
| 1447 | (interactive) |
| 1448 | (or (ediff-buffer-live-p ediff-meta-diff-buffer) |
| 1449 | (setq ediff-meta-diff-buffer |
| 1450 | (get-buffer-create |
| 1451 | (ediff-unique-buffer-name "*Ediff Multifile Diffs" "*")))) |
| 1452 | (ediff-with-current-buffer ediff-meta-diff-buffer |
| 1453 | (erase-buffer)) |
| 1454 | (if (> (ediff-operate-on-marked-sessions 'ediff-append-custom-diff) 0) |
| 1455 | ;; did something |
| 1456 | (display-buffer ediff-meta-diff-buffer 'not-this-window) |
| 1457 | (beep) |
| 1458 | (message "No marked sessions found"))) |
| 1459 | |
| 1460 | (defun ediff-meta-show-patch () |
| 1461 | "Show the multi-file patch associated with this group session." |
| 1462 | (interactive) |
| 1463 | (let* ((pos (ediff-event-point last-command-event)) |
| 1464 | (meta-buf (ediff-event-buffer last-command-event)) |
| 1465 | (info (ediff-get-meta-info meta-buf pos 'noerror)) |
| 1466 | (patchbuffer ediff-meta-patchbufer)) |
| 1467 | (if (ediff-buffer-live-p patchbuffer) |
| 1468 | (ediff-with-current-buffer patchbuffer |
| 1469 | (save-restriction |
| 1470 | (if (not info) |
| 1471 | (widen) |
| 1472 | (narrow-to-region |
| 1473 | (ediff-get-session-objB-name info) |
| 1474 | (ediff-get-session-objC-name info))) |
| 1475 | (set-buffer (get-buffer-create ediff-tmp-buffer)) |
| 1476 | (erase-buffer) |
| 1477 | (insert-buffer patchbuffer) |
| 1478 | (display-buffer ediff-tmp-buffer 'not-this-window) |
| 1479 | )) |
| 1480 | (error "The patch buffer wasn't found")))) |
| 1481 | |
| 1482 | |
| 1483 | ;; This function executes in meta buffer. It knows where event happened. |
| 1484 | (defun ediff-filegroup-action () |
| 1485 | "Execute appropriate action for the selected session." |
| 1486 | (interactive) |
| 1487 | (let* ((pos (ediff-event-point last-command-event)) |
| 1488 | (meta-buf (ediff-event-buffer last-command-event)) |
| 1489 | ;; ediff-get-meta-info gives error if meta-buf or pos are invalid |
| 1490 | (info (ediff-get-meta-info meta-buf pos)) |
| 1491 | (session-buf (ediff-get-session-buffer info)) |
| 1492 | (session-number (ediff-get-session-number-at-pos pos meta-buf)) |
| 1493 | merge-autostore-dir file1 file2 file3 regexp) |
| 1494 | |
| 1495 | (setq file1 (ediff-get-session-objA-name info) |
| 1496 | file2 (ediff-get-session-objB-name info) |
| 1497 | file3 (ediff-get-session-objC-name info)) |
| 1498 | |
| 1499 | ;; make sure we don't start on hidden sessions |
| 1500 | ;; ?H means marked for hiding. ?I means invalid (hidden). |
| 1501 | (if (memq (ediff-get-session-status info) '(?I)) |
| 1502 | (progn |
| 1503 | (beep) |
| 1504 | (if (y-or-n-p "This session is marked as hidden, unmark? ") |
| 1505 | (progn |
| 1506 | (ediff-set-session-status info nil) |
| 1507 | (ediff-update-meta-buffer meta-buf nil session-number)) |
| 1508 | (error "Aborted")))) |
| 1509 | |
| 1510 | (ediff-with-current-buffer meta-buf |
| 1511 | (setq merge-autostore-dir |
| 1512 | (ediff-get-group-merge-autostore-dir ediff-meta-list)) |
| 1513 | (goto-char pos) ; if the user clicked on session--move point there |
| 1514 | ;; First handle sessions involving directories (which are themselves |
| 1515 | ;; session groups) |
| 1516 | ;; After that handle individual sessions |
| 1517 | (cond ((ediff-meta-session-p info) |
| 1518 | ;; do ediff/ediff-merge on subdirectories |
| 1519 | (if (ediff-buffer-live-p session-buf) |
| 1520 | (ediff-show-meta-buffer session-buf) |
| 1521 | (setq regexp (read-string "Filter through regular expression: " |
| 1522 | nil 'ediff-filtering-regexp-history)) |
| 1523 | (ediff-directories-internal |
| 1524 | file1 file2 file3 regexp |
| 1525 | ediff-session-action-function |
| 1526 | ediff-metajob-name |
| 1527 | ;; make it update car info after startup |
| 1528 | (` (list (lambda () |
| 1529 | ;; child session group should know its parent |
| 1530 | (setq ediff-parent-meta-buffer |
| 1531 | (quote (, ediff-meta-buffer)) |
| 1532 | ediff-meta-session-number |
| 1533 | (, session-number)) |
| 1534 | ;; and parent will know its child |
| 1535 | (setcar (quote (, info)) ediff-meta-buffer))))))) |
| 1536 | |
| 1537 | ;; Do ediff-revision on a subdirectory |
| 1538 | ((and (ediff-one-filegroup-metajob) |
| 1539 | (ediff-revision-metajob) |
| 1540 | (file-directory-p file1)) |
| 1541 | (if (ediff-buffer-live-p session-buf) |
| 1542 | (ediff-show-meta-buffer session-buf) |
| 1543 | (setq regexp (read-string "Filter through regular expression: " |
| 1544 | nil 'ediff-filtering-regexp-history)) |
| 1545 | (ediff-directory-revisions-internal |
| 1546 | file1 regexp |
| 1547 | ediff-session-action-function ediff-metajob-name |
| 1548 | ;; make it update car info after startup |
| 1549 | (` (list (lambda () |
| 1550 | ;; child session group should know its parent and |
| 1551 | ;; its number |
| 1552 | (setq ediff-parent-meta-buffer |
| 1553 | (quote (, ediff-meta-buffer)) |
| 1554 | ediff-meta-session-number |
| 1555 | (, session-number)) |
| 1556 | ;; and parent will know its child |
| 1557 | (setcar (quote (, info)) ediff-meta-buffer))))))) |
| 1558 | |
| 1559 | ;; From here on---only individual session handlers |
| 1560 | |
| 1561 | ;; handle an individual session with a live control buffer |
| 1562 | ((ediff-buffer-live-p session-buf) |
| 1563 | (ediff-with-current-buffer session-buf |
| 1564 | (setq ediff-mouse-pixel-position (mouse-pixel-position)) |
| 1565 | (ediff-recenter 'no-rehighlight))) |
| 1566 | |
| 1567 | ((ediff-problematic-session-p info) |
| 1568 | (beep) |
| 1569 | (if (y-or-n-p |
| 1570 | "This session has no ancestor. Merge without the ancestor? ") |
| 1571 | (ediff-merge-files |
| 1572 | file1 file2 |
| 1573 | ;; provide startup hooks |
| 1574 | (` (list (lambda () |
| 1575 | (setq ediff-meta-buffer (, (current-buffer)) |
| 1576 | ediff-meta-session-number |
| 1577 | (, session-number)) |
| 1578 | (setq ediff-merge-store-file |
| 1579 | (, (concat |
| 1580 | merge-autostore-dir |
| 1581 | "merge_" |
| 1582 | (file-name-nondirectory file1)))) |
| 1583 | ;; make ediff-startup pass |
| 1584 | ;; ediff-control-buffer back to the meta |
| 1585 | ;; level; see below |
| 1586 | (setcar |
| 1587 | (quote (, info)) ediff-control-buffer))))) |
| 1588 | (error "Aborted"))) |
| 1589 | ((ediff-one-filegroup-metajob) ; needs 1 file arg |
| 1590 | (funcall ediff-session-action-function |
| 1591 | file1 |
| 1592 | ;; provide startup hooks |
| 1593 | (` (list (lambda () |
| 1594 | (setq ediff-meta-buffer (, (current-buffer)) |
| 1595 | ediff-meta-session-number |
| 1596 | (, session-number)) |
| 1597 | (setq ediff-merge-store-file |
| 1598 | (, (concat |
| 1599 | merge-autostore-dir |
| 1600 | "merge_" |
| 1601 | (file-name-nondirectory file1)))) |
| 1602 | ;; make ediff-startup pass |
| 1603 | ;; ediff-control-buffer back to the meta |
| 1604 | ;; level; see below |
| 1605 | (setcar |
| 1606 | (quote (, info)) ediff-control-buffer)))))) |
| 1607 | ((not (ediff-metajob3)) ; need 2 file args |
| 1608 | (funcall ediff-session-action-function |
| 1609 | file1 file2 |
| 1610 | ;; provide startup hooks |
| 1611 | (` (list (lambda () |
| 1612 | (setq ediff-meta-buffer (, (current-buffer)) |
| 1613 | ediff-meta-session-number |
| 1614 | (, session-number)) |
| 1615 | (setq ediff-merge-store-file |
| 1616 | (, (concat |
| 1617 | merge-autostore-dir |
| 1618 | "merge_" |
| 1619 | (file-name-nondirectory file1)))) |
| 1620 | ;; make ediff-startup pass |
| 1621 | ;; ediff-control-buffer back to the meta |
| 1622 | ;; level; see below |
| 1623 | (setcar |
| 1624 | (quote (, info)) ediff-control-buffer)))))) |
| 1625 | ((ediff-metajob3) ; need 3 file args |
| 1626 | (funcall ediff-session-action-function |
| 1627 | file1 file2 file3 |
| 1628 | ;; arrange startup hooks |
| 1629 | (` (list (lambda () |
| 1630 | (setq ediff-merge-store-file |
| 1631 | (, (concat |
| 1632 | merge-autostore-dir |
| 1633 | "merge_" |
| 1634 | (file-name-nondirectory file1)))) |
| 1635 | (setq ediff-meta-buffer (, (current-buffer)) |
| 1636 | ediff-meta-session-number |
| 1637 | (, session-number)) |
| 1638 | ;; this arranges that ediff-startup will pass |
| 1639 | ;; the value of ediff-control-buffer back to |
| 1640 | ;; the meta level, to the record in the meta |
| 1641 | ;; list containing the information about the |
| 1642 | ;; session associated with that |
| 1643 | ;; ediff-control-buffer |
| 1644 | (setcar |
| 1645 | (quote (, info)) ediff-control-buffer)))))) |
| 1646 | ) ; cond |
| 1647 | ) ; eval in meta-buf |
| 1648 | )) |
| 1649 | |
| 1650 | (defun ediff-registry-action () |
| 1651 | "Switch to a selected session." |
| 1652 | (interactive) |
| 1653 | (let* ((pos (ediff-event-point last-command-event)) |
| 1654 | (buf (ediff-event-buffer last-command-event)) |
| 1655 | (ctl-buf (ediff-get-meta-info buf pos))) |
| 1656 | |
| 1657 | (if (ediff-buffer-live-p ctl-buf) |
| 1658 | ;; check if this is ediff-control-buffer or ediff-meta-buffer |
| 1659 | (if (ediff-with-current-buffer ctl-buf |
| 1660 | (eq (key-binding "q") 'ediff-quit-meta-buffer)) |
| 1661 | ;; it's a meta-buffer -- last action should just display it |
| 1662 | (ediff-show-meta-buffer ctl-buf t) |
| 1663 | ;; it's a session buffer -- invoke go back to session |
| 1664 | (ediff-with-current-buffer ctl-buf |
| 1665 | (setq ediff-mouse-pixel-position (mouse-pixel-position)) |
| 1666 | (ediff-recenter 'no-rehighlight))) |
| 1667 | (beep) |
| 1668 | (message "You've selected a stale session --- try again") |
| 1669 | (ediff-update-registry)) |
| 1670 | (ediff-with-current-buffer buf |
| 1671 | (goto-char pos)) |
| 1672 | )) |
| 1673 | |
| 1674 | |
| 1675 | ;; If session number is t, means don't update meta buffer |
| 1676 | (defun ediff-show-meta-buffer (&optional meta-buf session-number) |
| 1677 | "Show the session group buffer." |
| 1678 | (interactive) |
| 1679 | (let (wind frame silent) |
| 1680 | (if meta-buf (setq silent t)) |
| 1681 | |
| 1682 | (setq meta-buf (or meta-buf ediff-meta-buffer)) |
| 1683 | (cond ((not (bufferp meta-buf)) |
| 1684 | (error "This Ediff session is not part of a session group")) |
| 1685 | ((not (ediff-buffer-live-p meta-buf)) |
| 1686 | (error |
| 1687 | "Can't find this session's group panel -- session itself is ok"))) |
| 1688 | |
| 1689 | (cond ((numberp session-number) |
| 1690 | (ediff-update-meta-buffer meta-buf nil session-number)) |
| 1691 | ;; if session-number is t, don't update |
| 1692 | (session-number) |
| 1693 | (t (ediff-cleanup-meta-buffer meta-buf))) |
| 1694 | |
| 1695 | (ediff-with-current-buffer meta-buf |
| 1696 | (save-excursion |
| 1697 | (cond ((setq wind (ediff-get-visible-buffer-window meta-buf)) |
| 1698 | (or silent |
| 1699 | (message |
| 1700 | "Already showing the group panel for this session")) |
| 1701 | (set-window-buffer wind meta-buf) |
| 1702 | (select-window wind)) |
| 1703 | ((window-live-p (setq wind ediff-window-C)) ;in merge--merge buf |
| 1704 | (set-window-buffer ediff-window-C meta-buf) |
| 1705 | (select-window wind)) |
| 1706 | ((window-live-p (setq wind ediff-window-A)) |
| 1707 | (set-window-buffer ediff-window-A meta-buf) |
| 1708 | (select-window wind)) |
| 1709 | ((window-live-p (setq wind ediff-window-B)) |
| 1710 | (set-window-buffer ediff-window-B meta-buf) |
| 1711 | (select-window wind)) |
| 1712 | ((and |
| 1713 | (setq wind |
| 1714 | (ediff-get-visible-buffer-window ediff-registry-buffer)) |
| 1715 | (ediff-window-display-p)) |
| 1716 | (select-window wind) |
| 1717 | (other-window 1) |
| 1718 | (set-window-buffer (selected-window) meta-buf)) |
| 1719 | (t (ediff-skip-unsuitable-frames 'ok-unsplittable) |
| 1720 | (set-window-buffer (selected-window) meta-buf))) |
| 1721 | )) |
| 1722 | (if (and (ediff-window-display-p) |
| 1723 | (window-live-p |
| 1724 | (setq wind (ediff-get-visible-buffer-window meta-buf)))) |
| 1725 | (progn |
| 1726 | (setq frame (window-frame wind)) |
| 1727 | (raise-frame frame) |
| 1728 | (ediff-reset-mouse frame))) |
| 1729 | (run-hooks 'ediff-show-session-group-hook) |
| 1730 | )) |
| 1731 | |
| 1732 | (defun ediff-show-current-session-meta-buffer () |
| 1733 | (interactive) |
| 1734 | (ediff-show-meta-buffer nil ediff-meta-session-number)) |
| 1735 | |
| 1736 | (defun ediff-show-meta-buff-from-registry () |
| 1737 | "Display the session group buffer for a selected session group." |
| 1738 | (interactive) |
| 1739 | (let* ((pos (ediff-event-point last-command-event)) |
| 1740 | (meta-buf (ediff-event-buffer last-command-event)) |
| 1741 | (info (ediff-get-meta-info meta-buf pos)) |
| 1742 | (meta-or-session-buf info)) |
| 1743 | (ediff-with-current-buffer meta-or-session-buf |
| 1744 | (ediff-show-meta-buffer nil t)))) |
| 1745 | |
| 1746 | ;;;###autoload |
| 1747 | (defun ediff-show-registry () |
| 1748 | "Display Ediff's registry." |
| 1749 | (interactive) |
| 1750 | (ediff-update-registry) |
| 1751 | (if (not (ediff-buffer-live-p ediff-registry-buffer)) |
| 1752 | (error "No active Ediff sessions or corrupted session registry")) |
| 1753 | (let (wind frame) |
| 1754 | ;; for some reason, point moves in ediff-registry-buffer, so we preserve it |
| 1755 | ;; explicitly |
| 1756 | (ediff-with-current-buffer ediff-registry-buffer |
| 1757 | (save-excursion |
| 1758 | (cond ((setq wind |
| 1759 | (ediff-get-visible-buffer-window ediff-registry-buffer)) |
| 1760 | (message "Already showing the registry") |
| 1761 | (set-window-buffer wind ediff-registry-buffer) |
| 1762 | (select-window wind)) |
| 1763 | ((window-live-p ediff-window-C) |
| 1764 | (set-window-buffer ediff-window-C ediff-registry-buffer) |
| 1765 | (select-window ediff-window-C)) |
| 1766 | ((window-live-p ediff-window-A) |
| 1767 | (set-window-buffer ediff-window-A ediff-registry-buffer) |
| 1768 | (select-window ediff-window-A)) |
| 1769 | ((window-live-p ediff-window-B) |
| 1770 | (set-window-buffer ediff-window-B ediff-registry-buffer) |
| 1771 | (select-window ediff-window-B)) |
| 1772 | ((and (setq wind |
| 1773 | (ediff-get-visible-buffer-window ediff-meta-buffer)) |
| 1774 | (ediff-window-display-p)) |
| 1775 | (select-window wind) |
| 1776 | (other-window 1) |
| 1777 | (set-window-buffer (selected-window) ediff-registry-buffer)) |
| 1778 | (t (ediff-skip-unsuitable-frames 'ok-unsplittable) |
| 1779 | (set-window-buffer (selected-window) ediff-registry-buffer))) |
| 1780 | )) |
| 1781 | (if (ediff-window-display-p) |
| 1782 | (progn |
| 1783 | (setq frame |
| 1784 | (window-frame |
| 1785 | (ediff-get-visible-buffer-window ediff-registry-buffer))) |
| 1786 | (raise-frame frame) |
| 1787 | (ediff-reset-mouse frame))) |
| 1788 | (run-hooks 'ediff-show-registry-hook) |
| 1789 | )) |
| 1790 | |
| 1791 | ;;;###autoload |
| 1792 | (defalias 'eregistry 'ediff-show-registry) |
| 1793 | |
| 1794 | ;; If meta-buf doesn't exist, it is created. In that case, id doesn't have a |
| 1795 | ;; parent meta-buf |
| 1796 | ;; Check if META-BUF exists before calling this function |
| 1797 | ;; Optional MUST-REDRAW, if non-nil, would force redrawal of the whole meta |
| 1798 | ;; buffer. Otherwise, it will just go over the buffer and update activity marks |
| 1799 | ;; and session status. |
| 1800 | ;; SESSION-NUMBER, if specified, says which session caused the update. |
| 1801 | (defun ediff-update-meta-buffer (meta-buf &optional must-redraw session-number) |
| 1802 | (if (ediff-buffer-live-p meta-buf) |
| 1803 | (ediff-with-current-buffer meta-buf |
| 1804 | (cond (must-redraw ; completely redraw the meta buffer |
| 1805 | (funcall ediff-meta-redraw-function ediff-meta-list)) |
| 1806 | ((numberp session-number) ; redraw only for the given session |
| 1807 | (ediff-update-session-marker-in-dir-meta-buffer session-number)) |
| 1808 | (t ; update only what's changed, but scan the entire meta buffer |
| 1809 | (ediff-update-markers-in-dir-meta-buffer ediff-meta-list))) |
| 1810 | ))) |
| 1811 | |
| 1812 | (defun ediff-update-registry () |
| 1813 | (ediff-with-current-buffer (current-buffer) |
| 1814 | (if (ediff-buffer-live-p ediff-registry-buffer) |
| 1815 | (ediff-redraw-registry-buffer) |
| 1816 | (ediff-prepare-meta-buffer |
| 1817 | 'ediff-registry-action |
| 1818 | ediff-session-registry |
| 1819 | "*Ediff Registry" |
| 1820 | 'ediff-redraw-registry-buffer |
| 1821 | 'ediff-registry)) |
| 1822 | )) |
| 1823 | |
| 1824 | ;; If meta-buf exists, it is redrawn along with parent. |
| 1825 | ;; Otherwise, nothing happens. |
| 1826 | (defun ediff-cleanup-meta-buffer (meta-buffer) |
| 1827 | (if (ediff-buffer-live-p meta-buffer) |
| 1828 | (ediff-with-current-buffer meta-buffer |
| 1829 | (ediff-update-meta-buffer meta-buffer) |
| 1830 | (if (ediff-buffer-live-p ediff-parent-meta-buffer) |
| 1831 | (ediff-update-meta-buffer |
| 1832 | ediff-parent-meta-buffer nil ediff-meta-session-number))))) |
| 1833 | |
| 1834 | ;; t if no session is in progress |
| 1835 | (defun ediff-safe-to-quit (meta-buffer) |
| 1836 | (if (ediff-buffer-live-p meta-buffer) |
| 1837 | (let ((lis ediff-meta-list) |
| 1838 | (cont t) |
| 1839 | buffer-read-only) |
| 1840 | ;;(ediff-update-meta-buffer meta-buffer) |
| 1841 | (ediff-with-current-buffer meta-buffer |
| 1842 | (setq lis (cdr lis)) ; discard the description part of meta-list |
| 1843 | (while (and cont lis) |
| 1844 | (if (ediff-buffer-live-p |
| 1845 | (ediff-get-group-buffer lis)) ; in progress |
| 1846 | (setq cont nil)) |
| 1847 | (setq lis (cdr lis))) |
| 1848 | cont)))) |
| 1849 | |
| 1850 | (defun ediff-quit-meta-buffer () |
| 1851 | "If the group has no active session, delete the meta buffer. |
| 1852 | If no session is in progress, ask to confirm before deleting meta buffer. |
| 1853 | Otherwise, bury the meta buffer. |
| 1854 | If this is a session registry buffer then just bury it." |
| 1855 | (interactive) |
| 1856 | (let* ((buf (current-buffer)) |
| 1857 | (dir-diffs-buffer ediff-dir-diffs-buffer) |
| 1858 | (meta-diff-buffer ediff-meta-diff-buffer) |
| 1859 | (session-number ediff-meta-session-number) |
| 1860 | (parent-buf ediff-parent-meta-buffer) |
| 1861 | (dont-show-registry (eq buf ediff-registry-buffer))) |
| 1862 | (if dont-show-registry |
| 1863 | (bury-buffer) |
| 1864 | ;;(ediff-cleanup-meta-buffer buf) |
| 1865 | (cond ((and (ediff-safe-to-quit buf) |
| 1866 | (y-or-n-p "Quit this session group? ")) |
| 1867 | (run-hooks 'ediff-quit-session-group-hook) |
| 1868 | (message "") |
| 1869 | (ediff-dispose-of-meta-buffer buf)) |
| 1870 | ((ediff-safe-to-quit buf) |
| 1871 | (bury-buffer)) |
| 1872 | (t |
| 1873 | (error |
| 1874 | "This session group has active sessions---cannot exit"))) |
| 1875 | (ediff-update-meta-buffer parent-buf nil session-number) |
| 1876 | (ediff-kill-buffer-carefully dir-diffs-buffer) |
| 1877 | (ediff-kill-buffer-carefully meta-diff-buffer) |
| 1878 | (if (ediff-buffer-live-p parent-buf) |
| 1879 | (progn |
| 1880 | (setq dont-show-registry t) |
| 1881 | (ediff-show-meta-buffer parent-buf session-number))) |
| 1882 | ) |
| 1883 | (or dont-show-registry |
| 1884 | (ediff-show-registry)))) |
| 1885 | |
| 1886 | (defun ediff-dispose-of-meta-buffer (buf) |
| 1887 | (setq ediff-session-registry (delq buf ediff-session-registry)) |
| 1888 | (ediff-with-current-buffer buf |
| 1889 | (if (ediff-buffer-live-p ediff-dir-diffs-buffer) |
| 1890 | (kill-buffer ediff-dir-diffs-buffer))) |
| 1891 | (kill-buffer buf)) |
| 1892 | |
| 1893 | |
| 1894 | ;; Obtain information on a meta record where the user clicked or typed |
| 1895 | ;; BUF is the buffer where this happened and POINT is the position |
| 1896 | ;; If optional NOERROR arg is given, don't report error and return nil if no |
| 1897 | ;; meta info is found on line. |
| 1898 | (defun ediff-get-meta-info (buf point &optional noerror) |
| 1899 | (let (result olist tmp) |
| 1900 | (if (and point (ediff-buffer-live-p buf)) |
| 1901 | (ediff-with-current-buffer buf |
| 1902 | (if ediff-xemacs-p |
| 1903 | (setq result |
| 1904 | (if (setq tmp (extent-at point buf 'ediff-meta-info)) |
| 1905 | (ediff-overlay-get tmp 'ediff-meta-info))) |
| 1906 | (setq olist (overlays-at point)) |
| 1907 | (setq olist |
| 1908 | (mapcar (function (lambda (elt) |
| 1909 | (overlay-get elt 'ediff-meta-info))) |
| 1910 | olist)) |
| 1911 | (while (and olist (null (car olist)) |
| 1912 | (overlay-get (car olist) 'invisible)) |
| 1913 | (setq olist (cdr olist))) |
| 1914 | (setq result (car olist))))) |
| 1915 | (if result |
| 1916 | result |
| 1917 | (if noerror |
| 1918 | nil |
| 1919 | (ediff-update-registry) |
| 1920 | (error "No session info in this line"))))) |
| 1921 | |
| 1922 | |
| 1923 | (defun ediff-get-meta-overlay-at-pos (point) |
| 1924 | (if ediff-xemacs-p |
| 1925 | (extent-at point (current-buffer) 'ediff-meta-info) |
| 1926 | (let* ((overl-list (overlays-at point)) |
| 1927 | (overl (car overl-list))) |
| 1928 | (while (and overl (null (overlay-get overl 'ediff-meta-info))) |
| 1929 | (setq overl-list (cdr overl-list) |
| 1930 | overl (car overl-list))) |
| 1931 | overl))) |
| 1932 | |
| 1933 | (defsubst ediff-get-session-number-at-pos (point &optional meta-buffer) |
| 1934 | (setq meta-buffer (if (ediff-buffer-live-p meta-buffer) |
| 1935 | meta-buffer |
| 1936 | (current-buffer))) |
| 1937 | (ediff-with-current-buffer meta-buffer |
| 1938 | (ediff-overlay-get |
| 1939 | (ediff-get-meta-overlay-at-pos point) 'ediff-meta-session-number))) |
| 1940 | |
| 1941 | |
| 1942 | ;; Return location of the next meta overlay after point |
| 1943 | (defun ediff-next-meta-overlay-start (point) |
| 1944 | (if (eobp) |
| 1945 | (goto-char (point-min)) |
| 1946 | (let ((overl (ediff-get-meta-overlay-at-pos point))) |
| 1947 | (if ediff-xemacs-p |
| 1948 | (progn |
| 1949 | (if overl |
| 1950 | (setq overl (next-extent overl)) |
| 1951 | (setq overl (next-extent (current-buffer)))) |
| 1952 | (if overl |
| 1953 | (extent-start-position overl) |
| 1954 | (point-max))) |
| 1955 | (if overl |
| 1956 | ;; note: end of current overlay is the beginning of the next one |
| 1957 | (overlay-end overl) |
| 1958 | (next-overlay-change point)))) |
| 1959 | )) |
| 1960 | |
| 1961 | |
| 1962 | (defun ediff-previous-meta-overlay-start (point) |
| 1963 | (if (bobp) |
| 1964 | (goto-char (point-max)) |
| 1965 | (let ((overl (ediff-get-meta-overlay-at-pos point))) |
| 1966 | (if ediff-xemacs-p |
| 1967 | (progn |
| 1968 | (if overl |
| 1969 | (setq overl (previous-extent overl)) |
| 1970 | (setq overl (previous-extent (current-buffer)))) |
| 1971 | (if overl |
| 1972 | (extent-start-position overl) |
| 1973 | (point-min))) |
| 1974 | (if overl (setq point (overlay-start overl))) |
| 1975 | ;; to get to the beginning of prev overlay |
| 1976 | (if (not (bobp)) |
| 1977 | ;; trick to overcome an emacs bug--doesn't always find previous |
| 1978 | ;; overlay change correctly |
| 1979 | (setq point (1- point))) |
| 1980 | (setq point (previous-overlay-change point)) |
| 1981 | ;; If we are not over an overlay after subtracting 1, it means we are |
| 1982 | ;; in the description area preceding session records. In this case, |
| 1983 | ;; goto the top of the registry buffer. |
| 1984 | (or (car (overlays-at point)) |
| 1985 | (setq point (point-min))) |
| 1986 | point)))) |
| 1987 | |
| 1988 | ;; this is the action invoked when the user selects a patch from the meta |
| 1989 | ;; buffer. |
| 1990 | (defun ediff-patch-file-form-meta (file &optional startup-hooks) |
| 1991 | (let* ((pos (ediff-event-point last-command-event)) |
| 1992 | (meta-buf (ediff-event-buffer last-command-event)) |
| 1993 | ;; ediff-get-meta-info gives error if meta-buf or pos are invalid |
| 1994 | (info (ediff-get-meta-info meta-buf pos)) |
| 1995 | (meta-patchbuf ediff-meta-patchbufer) |
| 1996 | session-buf beg-marker end-marker) |
| 1997 | |
| 1998 | (if (or (file-directory-p file) (string-match "/dev/null" file)) |
| 1999 | (error "`%s' is not an ordinary file" (file-name-as-directory file))) |
| 2000 | (setq session-buf (ediff-get-session-buffer info) |
| 2001 | beg-marker (ediff-get-session-objB-name info) |
| 2002 | end-marker (ediff-get-session-objC-name info)) |
| 2003 | |
| 2004 | (or (ediff-buffer-live-p session-buf) ; either an active patch session |
| 2005 | (null session-buf) ; or it is a virgin session |
| 2006 | (error |
| 2007 | "Patch has been already applied to this file--cannot be repeated!")) |
| 2008 | |
| 2009 | (ediff-with-current-buffer meta-patchbuf |
| 2010 | (save-restriction |
| 2011 | (widen) |
| 2012 | (narrow-to-region beg-marker end-marker) |
| 2013 | (ediff-patch-file-internal meta-patchbuf file startup-hooks))))) |
| 2014 | |
| 2015 | |
| 2016 | (defun ediff-unmark-all-for-operation () |
| 2017 | "Unmark all sessions marked for operation." |
| 2018 | (interactive) |
| 2019 | (let ((list (cdr ediff-meta-list))) |
| 2020 | (while (setq elt (car list)) |
| 2021 | (ediff-mark-session-for-operation elt 'unmark) |
| 2022 | (setq list (cdr list)))) |
| 2023 | (ediff-update-meta-buffer (current-buffer) 'must-redraw)) |
| 2024 | |
| 2025 | (defun ediff-unmark-all-for-hiding () |
| 2026 | "Unmark all sessions marked for hiding." |
| 2027 | (interactive) |
| 2028 | (let ((list (cdr ediff-meta-list))) |
| 2029 | (while (setq elt (car list)) |
| 2030 | (ediff-mark-session-for-hiding elt 'unmark) |
| 2031 | (setq list (cdr list)))) |
| 2032 | (ediff-update-meta-buffer (current-buffer) 'must-redraw)) |
| 2033 | |
| 2034 | |
| 2035 | (defun ediff-meta-mark-equal-files () |
| 2036 | "Run though the session list and mark identical files. |
| 2037 | This is used only for sessions that involve 2 or 3 files at the same time." |
| 2038 | (interactive) |
| 2039 | (let ((list (cdr ediff-meta-list)) |
| 2040 | marked1 marked2 marked3 |
| 2041 | fileinfo1 fileinfo2 fileinfo3 elt) |
| 2042 | (while (setq elt (car list)) |
| 2043 | (setq fileinfo1 (ediff-get-session-objA elt) |
| 2044 | fileinfo2 (ediff-get-session-objB elt) |
| 2045 | fileinfo3 (ediff-get-session-objC elt)) |
| 2046 | (ediff-set-file-eqstatus fileinfo1 nil) |
| 2047 | (ediff-set-file-eqstatus fileinfo2 nil) |
| 2048 | (ediff-set-file-eqstatus fileinfo3 nil) |
| 2049 | |
| 2050 | (setq marked1 t |
| 2051 | marked2 t |
| 2052 | marked3 t) |
| 2053 | (or (ediff-mark-if-equal fileinfo1 fileinfo2) |
| 2054 | (setq marked1 nil)) |
| 2055 | (if (ediff-metajob3) |
| 2056 | (progn |
| 2057 | (or (ediff-mark-if-equal fileinfo1 fileinfo3) |
| 2058 | (setq marked2 nil)) |
| 2059 | (or (ediff-mark-if-equal fileinfo2 fileinfo3) |
| 2060 | (setq marked3 nil)))) |
| 2061 | (if (and marked1 marked2 marked3) |
| 2062 | (cond ((eq last-command-char ?h) |
| 2063 | (ediff-mark-session-for-hiding elt 'mark)) |
| 2064 | ((eq last-command-char ?m) |
| 2065 | (ediff-mark-session-for-operation elt 'mark)) |
| 2066 | )) |
| 2067 | (setq list (cdr list)))) |
| 2068 | (ediff-update-meta-buffer (current-buffer) 'must-redraw)) |
| 2069 | |
| 2070 | ;; mark files 1 and 2 as equal, if they are. |
| 2071 | ;; returns t, if something was marked |
| 2072 | (defun ediff-mark-if-equal (fileinfo1 fileinfo2) |
| 2073 | (let ((f1 (car fileinfo1)) |
| 2074 | (f2 (car fileinfo2))) |
| 2075 | (cond ((file-directory-p f1) nil) |
| 2076 | ((file-directory-p f2) nil) |
| 2077 | ((ediff-same-file-contents f1 f2) |
| 2078 | (ediff-set-file-eqstatus fileinfo1 t) |
| 2079 | (ediff-set-file-eqstatus fileinfo2 t) |
| 2080 | t)) |
| 2081 | )) |
| 2082 | |
| 2083 | |
| 2084 | |
| 2085 | ;;; Local Variables: |
| 2086 | ;;; eval: (put 'ediff-defvar-local 'lisp-indent-hook 'defun) |
| 2087 | ;;; eval: (put 'ediff-with-current-buffer 'lisp-indent-hook 1) |
| 2088 | ;;; eval: (put 'ediff-with-current-buffer 'edebug-form-spec '(form body)) |
| 2089 | ;;; End: |
| 2090 | |
| 2091 | ;;; ediff-mult.el ends here |