1125 lines
46 KiB
EmacsLisp
1125 lines
46 KiB
EmacsLisp
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;;; evil-search.el --- Search and substitute
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;; Author: Vegard Øye <vegard_oye at hotmail.com>
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;; Maintainer: Vegard Øye <vegard_oye at hotmail.com>
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;; Version: 1.0.1
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;;
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;; This file is NOT part of GNU Emacs.
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;;; License:
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;; This file is part of Evil.
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;;
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;; Evil is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;;
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;; Evil is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;;
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;; You should have received a copy of the GNU General Public License
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;; along with Evil. If not, see <http://www.gnu.org/licenses/>.
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(require 'evil-common)
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(require 'evil-ex)
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;;; Code:
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(defun evil-select-search-module (option module)
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"Change the search module according to MODULE.
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If MODULE is `isearch', then Emacs' isearch module is used.
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If MODULE is `evil-search', then Evil's own interactive
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search module is used."
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(let ((search-functions
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'(forward
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backward
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symbol-forward
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symbol-backward
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unbounded-symbol-forward
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unbounded-symbol-backward
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next
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previous)))
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(dolist (fun search-functions)
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(let ((isearch (intern (format "evil-search-%s" fun)))
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(evil-search (intern (format "evil-ex-search-%s" fun))))
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(if (eq module 'isearch)
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(substitute-key-definition
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evil-search isearch evil-motion-state-map)
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(substitute-key-definition
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isearch evil-search evil-motion-state-map)))))
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(set-default option module))
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;; this customization is here because it requires
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;; the knowledge of `evil-select-search-mode'
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(defcustom evil-search-module 'isearch
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"The search module to be used."
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:type '(radio (const :tag "Emacs built-in isearch." :value isearch)
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(const :tag "Evil interactive search." :value evil-search))
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:group 'evil
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:set 'evil-select-search-module
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:initialize 'evil-custom-initialize-pending-reset)
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(defun evil-search-incrementally (forward regexp-p)
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"Search incrementally for user-entered text."
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(let ((evil-search-prompt (evil-search-prompt forward))
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(isearch-search-fun-function 'evil-isearch-function)
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(point (point))
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isearch-success search-nonincremental-instead)
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(setq isearch-forward forward)
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(evil-save-echo-area
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(if forward
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(isearch-forward regexp-p)
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(isearch-backward regexp-p))
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(if (not isearch-success)
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(goto-char point)
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;; always position point at the beginning of the match
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(when (and forward isearch-other-end)
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(goto-char isearch-other-end))
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(when (and (eq point (point))
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(not (string= isearch-string "")))
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(if forward
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(isearch-repeat-forward)
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(isearch-repeat-backward))
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(isearch-exit)
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(when (and forward isearch-other-end)
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(goto-char isearch-other-end)))
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(evil-flash-search-pattern
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(evil-search-message isearch-string forward))))))
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(defun evil-flash-search-pattern (string &optional all)
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"Flash last search matches for duration of `evil-flash-delay'.
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If ALL is non-nil, flash all matches. STRING is a message
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to display in the echo area."
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(let ((lazy-highlight-initial-delay 0)
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(isearch-search-fun-function 'evil-isearch-function)
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(isearch-case-fold-search case-fold-search)
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(disable #'(lambda (&optional arg) (evil-flash-hook t))))
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(when evil-flash-timer
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(cancel-timer evil-flash-timer))
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(unless (or (null string)
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(string= string ""))
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(evil-echo-area-save)
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(evil-echo "%s" string)
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(isearch-highlight (match-beginning 0) (match-end 0))
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(when all
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(setq isearch-lazy-highlight-wrapped nil
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isearch-lazy-highlight-start (point)
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isearch-lazy-highlight-end (point))
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(isearch-lazy-highlight-new-loop)
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(unless isearch-lazy-highlight-overlays
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(isearch-lazy-highlight-update)))
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(add-hook 'pre-command-hook #'evil-flash-hook nil t)
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(add-hook 'evil-operator-state-exit-hook #'evil-flash-hook nil t)
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(add-hook 'pre-command-hook #'evil-clean-isearch-overlays nil t)
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(setq evil-flash-timer
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(run-at-time evil-flash-delay nil disable)))))
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(defun evil-clean-isearch-overlays ()
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"Clean isearch overlays unless `this-command' is search."
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(remove-hook 'pre-command-hook #'evil-clean-isearch-overlays t)
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(unless (memq this-command
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'(evil-search-backward
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evil-search-forward
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evil-search-next
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evil-search-previous
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evil-search-symbol-backward
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evil-search-symbol-forward))
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(isearch-clean-overlays)))
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(put 'evil-clean-isearch-overlays 'permanent-local-hook t)
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(defun evil-flash-hook (&optional force)
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"Disable hightlighting if `this-command' is not search.
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Disable anyway if FORCE is t."
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(when (or force
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;; to avoid flicker, don't disable highlighting
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;; if the next command is also a search command
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(not (memq this-command
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'(evil-search-backward
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evil-search-forward
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evil-search-next
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evil-search-previous
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evil-search-symbol-backward
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evil-search-symbol-forward))))
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(evil-echo-area-restore)
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(isearch-dehighlight)
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(setq isearch-lazy-highlight-last-string nil)
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(lazy-highlight-cleanup t)
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(when evil-flash-timer
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(cancel-timer evil-flash-timer)))
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(remove-hook 'pre-command-hook #'evil-flash-hook t)
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(remove-hook 'evil-operator-state-exit-hook #'evil-flash-hook t))
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(put 'evil-flash-hook 'permanent-local-hook t)
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(defun evil-search-function (&optional forward regexp-p wrap)
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"Return a search function.
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If FORWARD is nil, search backward, otherwise forward.
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If REGEXP-P is non-nil, the input is a regular expression.
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If WRAP is non-nil, the search wraps around the top or bottom
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of the buffer."
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`(lambda (string &optional bound noerror count)
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(let ((start (point))
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(search-fun ',(if regexp-p
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(if forward
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're-search-forward
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're-search-backward)
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(if forward
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'search-forward
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'search-backward)))
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result)
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(setq result (funcall search-fun string bound
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,(if wrap t 'noerror) count))
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(when (and ,wrap (null result))
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(goto-char ,(if forward '(point-min) '(point-max)))
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(unwind-protect
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(setq result (funcall search-fun string bound noerror count))
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(unless result
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(goto-char start))))
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result)))
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(defun evil-isearch-function ()
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"Return a search function for use with isearch.
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Based on `isearch-regexp' and `isearch-forward'."
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(evil-search-function isearch-forward evil-regexp-search evil-search-wrap))
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(defun evil-search (string forward &optional regexp-p start)
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"Search for STRING and highlight matches.
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If FORWARD is nil, search backward, otherwise forward.
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If REGEXP-P is non-nil, STRING is taken to be a regular expression.
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START is the position to search from; if unspecified, it is
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one more than the current position."
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(when (and (stringp string)
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(not (string= string "")))
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(let* ((orig (point))
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(start (or start
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(if forward
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(min (point-max) (1+ orig))
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orig)))
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(isearch-regexp regexp-p)
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(isearch-forward forward)
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(case-fold-search
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(unless (and search-upper-case
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(not (isearch-no-upper-case-p string nil)))
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case-fold-search))
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(search-func (evil-search-function
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forward regexp-p evil-search-wrap)))
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;; no text properties, thank you very much
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(set-text-properties 0 (length string) nil string)
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;; position to search from
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(goto-char start)
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(condition-case nil
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(funcall search-func string)
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(search-failed
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(goto-char orig)
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(error "\"%s\": %s not found"
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string (if regexp-p "pattern" "string"))))
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(setq isearch-string string)
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(isearch-update-ring string regexp-p)
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;; handle opening and closing of invisible area
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(when (boundp 'isearch-filter-predicate)
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(funcall isearch-filter-predicate
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(match-beginning 0) (match-end 0)))
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;; always position point at the beginning of the match
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(goto-char (match-beginning 0))
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;; determine message for echo area
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(cond
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((and forward (< (point) start))
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(setq string "Search wrapped around BOTTOM of buffer"))
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((and (not forward) (> (point) start))
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(setq string "Search wrapped around TOP of buffer"))
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(t
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(setq string (evil-search-message string forward))))
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(evil-flash-search-pattern string t))))
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(defun evil-search-symbol (forward)
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"Search for symbol near point.
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If FORWARD is nil, search backward, otherwise forward."
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(let ((string (car-safe regexp-search-ring))
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(move (if forward #'forward-char #'backward-char))
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(end (if forward #'eobp #'bobp)))
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(setq isearch-forward forward)
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(cond
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((and (memq last-command
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'(evil-search-symbol-forward
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evil-search-symbol-backward))
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(stringp string)
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(not (string= string "")))
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(evil-search string forward t))
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(t
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(setq string (evil-find-symbol forward))
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(if (null string)
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(error "No symbol under point")
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(setq string (format "\\_<%s\\_>" (regexp-quote string))))
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(evil-search string forward t)))))
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(defun evil-find-symbol (forward)
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"Return symbol near point as a string.
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If FORWARD is nil, search backward, otherwise forward.
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Returns nil if nothing is found."
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(let ((move (if forward #'forward-char #'backward-char))
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(end (if forward #'eobp #'bobp))
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string)
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(save-excursion
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(setq string (thing-at-point 'symbol))
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;; if there's nothing under point, go forwards
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;; (or backwards) to find it
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(while (and (null string) (not (funcall end)))
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(funcall move)
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(setq string (thing-at-point 'symbol)))
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(when (stringp string)
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(set-text-properties 0 (length string) nil string))
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(when (> (length string) 0)
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string))))
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(defun evil-search-prompt (forward)
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"Return the search prompt for the given direction."
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(if forward "/" "?"))
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(defun evil-search-message (string forward)
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"Prefix STRING with the search prompt."
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(format "%s%s" (evil-search-prompt forward) string))
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(defadvice isearch-message-prefix (around evil activate)
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"Use `evil-search-prompt'."
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(if evil-search-prompt
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(setq ad-return-value evil-search-prompt)
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ad-do-it))
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(defadvice isearch-delete-char (around evil activate)
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"Exit search if no search string."
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(cond
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((and evil-search-prompt (string= isearch-string ""))
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(let (search-nonincremental-instead)
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(setq isearch-success nil)
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(isearch-exit)))
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(t
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ad-do-it)))
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(defadvice isearch-lazy-highlight-search (around evil activate)
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"Never wrap the search in this context."
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(let (evil-search-wrap)
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ad-do-it))
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;;; Ex search
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;; a pattern
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(defun evil-ex-make-pattern (regexp casefold whole-line)
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"Create a new search pattern.
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REGEXP is the regular expression to be searched for.
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CASEFOLD is the case-fold property of the search,
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which can be either `sensitive', `insensitive' or `smart'.
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Here `smart' means the pattern is case sensitive if and only if
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it contains a capital character. If WHOLE-LINE is non-nil,
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all occurrences of the pattern on a line will be highlighted,
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otherwise only the first one."
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(let ((re (evil-ex-regex-without-case regexp)))
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(when evil-ex-search-vim-style-regexp
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(setq re (evil-transform-vim-style-regexp re)))
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(setq re (evil-transform-regexp re
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'((?t . "\t")
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(?n . "\n")
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(?r . "\r"))))
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(list re
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(evil-ex-regex-case regexp casefold)
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whole-line)))
|
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(defun evil-ex-pattern-regex (pattern)
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"Return the regular expression of a search PATTERN."
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(car pattern))
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(defun evil-ex-pattern-case-fold (pattern)
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"Return the case-fold property of a search PATTERN."
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(cadr pattern))
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(defun evil-ex-pattern-whole-line (pattern)
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"Return the whole-line property of a search PATTERN."
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(nth 2 pattern))
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(defun evil-ex-regex-without-case (re)
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"Return the regular expression without all occurrences of \\c and \\C."
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||
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(evil-transform-regexp re '((?c . "") (?C . ""))))
|
||
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(defun evil-ex-regex-case (re default-case)
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"Return the case as implied by \\c or \\C in regular expression RE.
|
||
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If \\c appears anywhere in the pattern, the pattern is case
|
||
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insensitive. If \\C appears, the pattern is case sensitive.
|
||
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Only the first occurrence of \\c or \\C is used, all others are
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||
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ignored. If neither \\c nor \\C appears in the pattern, the case
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|
|
specified by DEFAULT-CASE is used. DEFAULT-CASE should be either
|
||
|
|
`sensitive', `insensitive' or `smart'. In the latter case, the pattern
|
||
|
|
will be case-sensitive if and only if it contains an upper-case
|
||
|
|
letter, otherwise it will be case-insensitive."
|
||
|
|
(cond
|
||
|
|
((string-match "\\(?:^\\|[^\\\\]\\)\\(?:\\\\\\\\\\)*\\\\\\([cC]\\)" re)
|
||
|
|
(if (eq (aref (match-string 1 re) 0) ?c) 'insensitive 'sensitive))
|
||
|
|
((eq default-case 'smart)
|
||
|
|
(if (isearch-no-upper-case-p re t)
|
||
|
|
'insensitive
|
||
|
|
'sensitive))
|
||
|
|
(t default-case)))
|
||
|
|
|
||
|
|
(defun evil-ex-make-hl (name &rest args)
|
||
|
|
"Create a new highlight object with name NAME and properties ARGS.
|
||
|
|
The following properties are supported:
|
||
|
|
:face The face to be used for the highlighting overlays.
|
||
|
|
:win The window in which the highlighting should be shown.
|
||
|
|
Note that the highlight will be visible in all windows showing
|
||
|
|
the corresponding buffer, but only the matches visible in the
|
||
|
|
specified window will actually be highlighted. If :win is nil,
|
||
|
|
the matches in all windows will be highlighted.
|
||
|
|
:min The minimal buffer position for highlighted matches.
|
||
|
|
:max The maximal buffer position for highlighted matches.
|
||
|
|
:match-hook A hook to be called once for each highlight.
|
||
|
|
The hook must take two arguments, the highlight and
|
||
|
|
the overlay for that highlight.
|
||
|
|
:update-hook A hook called once after updating the highlighting
|
||
|
|
with two arguments, the highlight and a message string
|
||
|
|
describing the current match status."
|
||
|
|
(unless (symbolp name)
|
||
|
|
(error "Expected symbol as name of highlight"))
|
||
|
|
(let ((face 'evil-ex-lazy-highlight)
|
||
|
|
(win (selected-window))
|
||
|
|
min max match-hook update-hook)
|
||
|
|
(while args
|
||
|
|
(let ((key (pop args))
|
||
|
|
(val (pop args)))
|
||
|
|
(cond
|
||
|
|
((eq key :face) (setq face val))
|
||
|
|
((eq key :win) (setq win val))
|
||
|
|
((eq key :min) (setq min val))
|
||
|
|
((eq key :max) (setq max val))
|
||
|
|
((eq key :match-hook) (setq match-hook val))
|
||
|
|
((eq key :update-hook) (setq update-hook val))
|
||
|
|
(t (error "Unexpected keyword: %s" key)))))
|
||
|
|
(when (assoc name evil-ex-active-highlights-alist)
|
||
|
|
(evil-ex-delete-hl name))
|
||
|
|
(when (null evil-ex-active-highlights-alist)
|
||
|
|
(add-hook 'window-scroll-functions
|
||
|
|
#'evil-ex-hl-update-highlights-scroll nil t)
|
||
|
|
(add-hook 'window-size-change-functions
|
||
|
|
#'evil-ex-hl-update-highlights-resize nil))
|
||
|
|
(push (cons name (vector name
|
||
|
|
nil
|
||
|
|
face
|
||
|
|
win
|
||
|
|
min
|
||
|
|
max
|
||
|
|
match-hook
|
||
|
|
update-hook
|
||
|
|
nil))
|
||
|
|
evil-ex-active-highlights-alist)))
|
||
|
|
|
||
|
|
(defun evil-ex-hl-name (hl)
|
||
|
|
"Return the name of the highlight HL."
|
||
|
|
(aref hl 0))
|
||
|
|
|
||
|
|
(defun evil-ex-hl-pattern (hl)
|
||
|
|
"Return the pattern of the highlight HL."
|
||
|
|
(aref hl 1))
|
||
|
|
|
||
|
|
(defun evil-ex-hl-set-pattern (hl pattern)
|
||
|
|
"Set the pattern of the highlight HL to PATTERN."
|
||
|
|
(aset hl 1 pattern))
|
||
|
|
|
||
|
|
(defun evil-ex-hl-face (hl)
|
||
|
|
"Return the face of the highlight HL."
|
||
|
|
(aref hl 2))
|
||
|
|
|
||
|
|
(defun evil-ex-hl-window (hl)
|
||
|
|
"Return the window of the highlight HL."
|
||
|
|
(aref hl 3))
|
||
|
|
|
||
|
|
(defun evil-ex-hl-min (hl)
|
||
|
|
"Return the minimal buffer position of the highlight HL."
|
||
|
|
(aref hl 4))
|
||
|
|
|
||
|
|
(defun evil-ex-hl-set-min (hl min)
|
||
|
|
"Set the minimal buffer position of the highlight HL to MIN."
|
||
|
|
(aset hl 4 min))
|
||
|
|
|
||
|
|
(defun evil-ex-hl-max (hl)
|
||
|
|
"Return the maximal buffer position of the highlight HL."
|
||
|
|
(aref hl 5))
|
||
|
|
|
||
|
|
(defun evil-ex-hl-set-max (hl max)
|
||
|
|
"Set the minimal buffer position of the highlight HL to MAX."
|
||
|
|
(aset hl 5 max))
|
||
|
|
|
||
|
|
(defun evil-ex-hl-match-hook (hl)
|
||
|
|
"Return the match-hook of the highlight HL."
|
||
|
|
(aref hl 6))
|
||
|
|
|
||
|
|
(defun evil-ex-hl-update-hook (hl)
|
||
|
|
"Return the update-hook of the highlight HL."
|
||
|
|
(aref hl 7))
|
||
|
|
|
||
|
|
(defun evil-ex-hl-overlays (hl)
|
||
|
|
"Return the list of active overlays of the highlight HL."
|
||
|
|
(aref hl 8))
|
||
|
|
|
||
|
|
(defun evil-ex-hl-set-overlays (hl overlays)
|
||
|
|
"Set the list of active overlays of the highlight HL to OVERLAYS."
|
||
|
|
(aset hl 8 overlays))
|
||
|
|
|
||
|
|
(defun evil-ex-delete-hl (name)
|
||
|
|
"Remove the highlighting object with a certain NAME."
|
||
|
|
(let ((hl (cdr-safe (assoc name evil-ex-active-highlights-alist))))
|
||
|
|
(when hl
|
||
|
|
(mapc #'delete-overlay (evil-ex-hl-overlays hl))
|
||
|
|
(setq evil-ex-active-highlights-alist
|
||
|
|
(assq-delete-all name evil-ex-active-highlights-alist))
|
||
|
|
(evil-ex-hl-update-highlights))
|
||
|
|
(when (null evil-ex-active-highlights-alist)
|
||
|
|
(remove-hook 'window-scroll-functions
|
||
|
|
#'evil-ex-hl-update-highlights-scroll t)
|
||
|
|
(remove-hook 'window-size-change-functions
|
||
|
|
#'evil-ex-hl-update-highlights-resize))))
|
||
|
|
|
||
|
|
(defun evil-ex-hl-active-p (name)
|
||
|
|
"Whether the highlight with a certain NAME is active."
|
||
|
|
(and (assoc name evil-ex-active-highlights-alist) t))
|
||
|
|
|
||
|
|
(defun evil-ex-hl-change (name pattern)
|
||
|
|
"Set the regular expression of highlight NAME to PATTERN."
|
||
|
|
(let ((hl (cdr-safe (assoc name evil-ex-active-highlights-alist))))
|
||
|
|
(when hl
|
||
|
|
(evil-ex-hl-set-pattern hl
|
||
|
|
(if (zerop (length pattern))
|
||
|
|
nil
|
||
|
|
pattern))
|
||
|
|
(evil-ex-hl-idle-update))))
|
||
|
|
|
||
|
|
(defun evil-ex-hl-set-region (name beg end &optional type)
|
||
|
|
"Set minimal and maximal position of highlight NAME to BEG and END."
|
||
|
|
(let ((hl (cdr-safe (assoc name evil-ex-active-highlights-alist))))
|
||
|
|
(when hl
|
||
|
|
(evil-ex-hl-set-min hl beg)
|
||
|
|
(evil-ex-hl-set-max hl end)
|
||
|
|
(evil-ex-hl-idle-update))))
|
||
|
|
|
||
|
|
(defun evil-ex-hl-get-max (name)
|
||
|
|
"Return the maximal position of the highlight with name NAME."
|
||
|
|
(let ((hl (cdr-safe (assoc name evil-ex-active-highlights-alist))))
|
||
|
|
(and hl (evil-ex-hl-max hl))))
|
||
|
|
|
||
|
|
(defun evil-ex-hl-update-highlights ()
|
||
|
|
"Update the overlays of all active highlights."
|
||
|
|
(dolist (hl (mapcar #'cdr evil-ex-active-highlights-alist))
|
||
|
|
(let ((old-ovs (evil-ex-hl-overlays hl))
|
||
|
|
new-ovs
|
||
|
|
(pattern (evil-ex-hl-pattern hl))
|
||
|
|
(face (evil-ex-hl-face hl))
|
||
|
|
(match-hook (evil-ex-hl-match-hook hl))
|
||
|
|
result)
|
||
|
|
(if pattern
|
||
|
|
;; collect all visible ranges
|
||
|
|
(let (ranges sranges)
|
||
|
|
(dolist (win (if (eq evil-ex-interactive-search-highlight
|
||
|
|
'all-windows)
|
||
|
|
(get-buffer-window-list (current-buffer) nil t)
|
||
|
|
(list (evil-ex-hl-window hl))))
|
||
|
|
(let ((beg (max (window-start win)
|
||
|
|
(or (evil-ex-hl-min hl) (point-min))))
|
||
|
|
(end (min (window-end win)
|
||
|
|
(or (evil-ex-hl-max hl) (point-max)))))
|
||
|
|
(when (< beg end)
|
||
|
|
(push (cons beg end) ranges))))
|
||
|
|
(setq ranges
|
||
|
|
(sort ranges #'(lambda (r1 r2) (< (car r1) (car r2)))))
|
||
|
|
(while ranges
|
||
|
|
(let ((r1 (pop ranges))
|
||
|
|
(r2 (pop ranges)))
|
||
|
|
(cond
|
||
|
|
;; last range
|
||
|
|
((null r2)
|
||
|
|
(push r1 sranges))
|
||
|
|
;; ranges overlap, union
|
||
|
|
((>= (cdr r1) (car r2))
|
||
|
|
(push (cons (car r1)
|
||
|
|
(max (cdr r1) (cdr r2)))
|
||
|
|
ranges))
|
||
|
|
;; ranges distinct
|
||
|
|
(t
|
||
|
|
(push r1 sranges)
|
||
|
|
(push r2 ranges)))))
|
||
|
|
|
||
|
|
;; run through all ranges
|
||
|
|
(condition-case lossage
|
||
|
|
(save-match-data
|
||
|
|
(dolist (r sranges)
|
||
|
|
(let ((beg (car r))
|
||
|
|
(end (cdr r)))
|
||
|
|
(save-excursion
|
||
|
|
(goto-char beg)
|
||
|
|
;; set the overlays for the current highlight,
|
||
|
|
;; reusing old overlays (if possible)
|
||
|
|
(while (and (not (eobp))
|
||
|
|
(evil-ex-search-find-next-pattern pattern)
|
||
|
|
(<= (match-end 0) end))
|
||
|
|
(let ((ov (or (pop old-ovs) (make-overlay 0 0))))
|
||
|
|
(move-overlay ov (match-beginning 0) (match-end 0))
|
||
|
|
(overlay-put ov 'face face)
|
||
|
|
(overlay-put ov 'evil-ex-hl (evil-ex-hl-name hl))
|
||
|
|
(overlay-put ov 'priority 1000)
|
||
|
|
(push ov new-ovs)
|
||
|
|
(when match-hook (funcall match-hook hl ov)))
|
||
|
|
(cond
|
||
|
|
((not (evil-ex-pattern-whole-line pattern))
|
||
|
|
(forward-line))
|
||
|
|
((= (match-beginning 0) (match-end 0))
|
||
|
|
(forward-char))
|
||
|
|
(t (goto-char (match-end 0))))))))
|
||
|
|
(mapc #'delete-overlay old-ovs)
|
||
|
|
(evil-ex-hl-set-overlays hl new-ovs)
|
||
|
|
(if (or (null pattern) new-ovs)
|
||
|
|
(setq result t)
|
||
|
|
;; Maybe the match could just not be found somewhere else?
|
||
|
|
(save-excursion
|
||
|
|
(goto-char (or (evil-ex-hl-min hl) (point-min)))
|
||
|
|
(if (and (evil-ex-search-find-next-pattern pattern)
|
||
|
|
(< (match-end 0) (or (evil-ex-hl-max hl)
|
||
|
|
(point-max))))
|
||
|
|
(setq result (format "Match in line %d"
|
||
|
|
(line-number-at-pos
|
||
|
|
(match-beginning 0))))
|
||
|
|
(setq result "No match")))))
|
||
|
|
|
||
|
|
(invalid-regexp
|
||
|
|
(setq result (cadr lossage)))
|
||
|
|
|
||
|
|
(search-failed
|
||
|
|
(setq result (nth 2 lossage)))
|
||
|
|
|
||
|
|
(error
|
||
|
|
(setq result (format "%s" lossage)))))
|
||
|
|
;; no pattern, remove all highlights
|
||
|
|
(mapc #'delete-overlay old-ovs)
|
||
|
|
(evil-ex-hl-set-overlays hl new-ovs))
|
||
|
|
(when (evil-ex-hl-update-hook hl)
|
||
|
|
(funcall (evil-ex-hl-update-hook hl) hl result)))))
|
||
|
|
|
||
|
|
(defun evil-ex-search-find-next-pattern (pattern &optional direction)
|
||
|
|
"Look for the next occurrence of PATTERN in a certain DIRECTION.
|
||
|
|
Note that this function ignores the whole-line property of PATTERN."
|
||
|
|
(setq direction (or direction 'forward))
|
||
|
|
(let ((case-fold-search (eq (evil-ex-pattern-case-fold pattern)
|
||
|
|
'insensitive)))
|
||
|
|
(cond
|
||
|
|
((eq direction 'forward)
|
||
|
|
(re-search-forward (evil-ex-pattern-regex pattern) nil t))
|
||
|
|
((eq direction 'backward)
|
||
|
|
(re-search-backward (evil-ex-pattern-regex pattern) nil t))
|
||
|
|
(t
|
||
|
|
(error "Unknown search direction: %s" direction)))))
|
||
|
|
|
||
|
|
(defun evil-ex-hl-idle-update ()
|
||
|
|
"Triggers the timer to update the highlights in the current buffer."
|
||
|
|
(when (and evil-ex-interactive-search-highlight
|
||
|
|
evil-ex-active-highlights-alist)
|
||
|
|
(when evil-ex-hl-update-timer
|
||
|
|
(cancel-timer evil-ex-hl-update-timer))
|
||
|
|
(setq evil-ex-hl-update-timer
|
||
|
|
(run-at-time evil-ex-hl-update-delay nil
|
||
|
|
#'evil-ex-hl-do-update-highlight
|
||
|
|
(current-buffer)))))
|
||
|
|
|
||
|
|
(defun evil-ex-hl-do-update-highlight (&optional buffer)
|
||
|
|
"Timer function for updating the highlights."
|
||
|
|
(with-current-buffer buffer
|
||
|
|
(evil-ex-hl-update-highlights))
|
||
|
|
(setq evil-ex-hl-update-timer nil))
|
||
|
|
|
||
|
|
(defun evil-ex-hl-update-highlights-scroll (win beg)
|
||
|
|
"Update highlights after scrolling in some window."
|
||
|
|
(with-current-buffer (window-buffer win)
|
||
|
|
(evil-ex-hl-idle-update)))
|
||
|
|
(put 'evil-ex-hl-update-highlights-scroll 'permanent-local-hook t)
|
||
|
|
|
||
|
|
(defun evil-ex-hl-update-highlights-resize (frame)
|
||
|
|
"Update highlights after resizing a window."
|
||
|
|
(let ((buffers (delete-dups (mapcar #'window-buffer (window-list frame)))))
|
||
|
|
(dolist (buf buffers)
|
||
|
|
(with-current-buffer buf
|
||
|
|
(evil-ex-hl-idle-update)))))
|
||
|
|
(put 'evil-ex-hl-update-highlights-resize 'permanent-local-hook t)
|
||
|
|
|
||
|
|
;; interactive search
|
||
|
|
(defun evil-ex-search-activate-highlight (pattern)
|
||
|
|
"Activate highlighting of the search pattern set to PATTERN.
|
||
|
|
This function does nothing if `evil-ex-search-interactive' or
|
||
|
|
`evil-ex-search-highlight-all' is nil. "
|
||
|
|
(when (and evil-ex-search-interactive evil-ex-search-highlight-all)
|
||
|
|
(with-current-buffer (or evil-ex-current-buffer (current-buffer))
|
||
|
|
(unless (evil-ex-hl-active-p 'evil-ex-search)
|
||
|
|
(evil-ex-make-hl 'evil-ex-search
|
||
|
|
:win (minibuffer-selected-window)))
|
||
|
|
(if pattern
|
||
|
|
(evil-ex-hl-change 'evil-ex-search pattern)))))
|
||
|
|
|
||
|
|
(defun evil-ex-find-next (&optional pattern direction nowrap)
|
||
|
|
"Search for the next occurrence of the PATTERN in DIRECTION.
|
||
|
|
PATTERN must be created using `evil-ex-make-pattern', DIRECTION
|
||
|
|
is either 'forward or 'backward. If NOWRAP is non nil, the search
|
||
|
|
does not wrap at buffer boundaries. Furthermore this function
|
||
|
|
only searches invisible text if `search-invisible' is t. If
|
||
|
|
PATTERN is not specified the current global pattern
|
||
|
|
`evil-ex-search-pattern' and if DIRECTION is not specified the
|
||
|
|
current global direction `evil-ex-search-direction' is used.
|
||
|
|
This function return t if the search was successful, nil if it
|
||
|
|
was unsuccessful and 'wrapped if the search was successful but
|
||
|
|
has been wrapped at the buffer boundaries."
|
||
|
|
(setq pattern (or pattern evil-ex-search-pattern)
|
||
|
|
direction (or direction evil-ex-search-direction))
|
||
|
|
(unless (and pattern (evil-ex-pattern-regex pattern))
|
||
|
|
(signal 'search-failed (list "No search pattern")))
|
||
|
|
(catch 'done
|
||
|
|
(let (wrapped)
|
||
|
|
(while t
|
||
|
|
(let ((search-result (evil-ex-search-find-next-pattern pattern
|
||
|
|
direction)))
|
||
|
|
(cond
|
||
|
|
((and search-result
|
||
|
|
(or (eq search-invisible t)
|
||
|
|
(not (isearch-range-invisible
|
||
|
|
(match-beginning 0) (match-end 0)))))
|
||
|
|
;; successful search and not invisible
|
||
|
|
(throw 'done (if wrapped 'wrapped t)))
|
||
|
|
((not search-result)
|
||
|
|
;; unsuccessful search
|
||
|
|
(if nowrap
|
||
|
|
(throw 'done nil)
|
||
|
|
(setq nowrap t
|
||
|
|
wrapped t)
|
||
|
|
(goto-char (if (eq direction 'forward)
|
||
|
|
(point-min)
|
||
|
|
(point-max)))))))))))
|
||
|
|
|
||
|
|
(defun evil-ex-search-update (pattern offset beg end message)
|
||
|
|
"Update the highlighting and info-message for the search pattern.
|
||
|
|
PATTERN is the search pattern and OFFSET the associated offset.
|
||
|
|
BEG and END specifiy the current match, MESSAGE is the info
|
||
|
|
message to be shown. This function does nothing if
|
||
|
|
`evil-ex-search-interactive' is nil."
|
||
|
|
(when evil-ex-search-interactive
|
||
|
|
(cond
|
||
|
|
((and beg end)
|
||
|
|
;; update overlay
|
||
|
|
(if evil-ex-search-overlay
|
||
|
|
(move-overlay evil-ex-search-overlay beg end)
|
||
|
|
(setq evil-ex-search-overlay
|
||
|
|
(make-overlay beg end))
|
||
|
|
(overlay-put evil-ex-search-overlay 'priority 1001)
|
||
|
|
(overlay-put evil-ex-search-overlay 'face 'evil-ex-search))
|
||
|
|
;; move point
|
||
|
|
(goto-char beg)
|
||
|
|
(evil-ex-search-goto-offset offset)
|
||
|
|
;; update highlights
|
||
|
|
(when evil-ex-search-highlight-all
|
||
|
|
(evil-ex-hl-change 'evil-ex-search pattern)))
|
||
|
|
(t
|
||
|
|
;; no match
|
||
|
|
(when evil-ex-search-overlay
|
||
|
|
;; remove overlay
|
||
|
|
(delete-overlay evil-ex-search-overlay)
|
||
|
|
(setq evil-ex-search-overlay nil))
|
||
|
|
;; no highlights
|
||
|
|
(when evil-ex-search-highlight-all
|
||
|
|
(evil-ex-hl-change 'evil-ex-search nil))
|
||
|
|
;; and go to initial position
|
||
|
|
(goto-char evil-ex-search-start-point)))
|
||
|
|
(when (stringp message)
|
||
|
|
(evil-ex-echo "%s" message))))
|
||
|
|
|
||
|
|
(defun evil-ex-search-start-session ()
|
||
|
|
"Initialize Ex for interactive search."
|
||
|
|
(remove-hook 'minibuffer-setup-hook #'evil-ex-search-start-session)
|
||
|
|
(add-hook 'after-change-functions #'evil-ex-search-update-pattern nil t)
|
||
|
|
(add-hook 'minibuffer-exit-hook #'evil-ex-search-stop-session)
|
||
|
|
(evil-ex-search-activate-highlight nil))
|
||
|
|
(put 'evil-ex-search-start-session 'permanent-local-hook t)
|
||
|
|
|
||
|
|
(defun evil-ex-search-stop-session ()
|
||
|
|
"Stop interactive search."
|
||
|
|
(with-current-buffer evil-ex-current-buffer
|
||
|
|
;; TODO: This is a bad fix to remove duplicates. The duplicates
|
||
|
|
;; exist because `isearch-range-invisible' may add a single
|
||
|
|
;; overlay multiple times if we are in an unlucky situation
|
||
|
|
;; of overlapping overlays. This happens in our case because
|
||
|
|
;; of the overlays that are used for (lazy) highlighting.
|
||
|
|
;; Perhaps it would be better to disable those overlays
|
||
|
|
;; temporarily before calling `isearch-range-invisible'.
|
||
|
|
(setq isearch-opened-overlays (delete-dups isearch-opened-overlays))
|
||
|
|
(isearch-clean-overlays))
|
||
|
|
(remove-hook 'minibuffer-exit-hook #'evil-ex-search-stop-session)
|
||
|
|
(remove-hook 'after-change-functions #'evil-ex-search-update-pattern t)
|
||
|
|
(when evil-ex-search-overlay
|
||
|
|
(delete-overlay evil-ex-search-overlay)
|
||
|
|
(setq evil-ex-search-overlay nil)))
|
||
|
|
(put 'evil-ex-search-stop-session 'permanent-local-hook t)
|
||
|
|
|
||
|
|
(defun evil-ex-split-search-pattern (pattern direction)
|
||
|
|
"Split PATTERN in regexp, offset and next-pattern parts.
|
||
|
|
Returns a triple (regexp offset next-search)."
|
||
|
|
(save-match-data
|
||
|
|
(if (or (and (eq direction 'forward)
|
||
|
|
(string-match "\\(?:^\\|[^\\\\]\\)\\(?:\\\\\\\\\\)*\\(/\\([^;]*\\)\\(?:;\\([/?].*\\)?\\)?\\)?$"
|
||
|
|
pattern))
|
||
|
|
(and (eq direction 'backward)
|
||
|
|
(string-match "\\(?:^\\|[^\\\\]\\)\\(?:\\\\\\\\\\)*\\(\\?\\([^;]*\\)\\(?:;\\([/?].*\\)?\\)?\\)?$"
|
||
|
|
pattern)))
|
||
|
|
(list (substring pattern 0 (match-beginning 1))
|
||
|
|
(match-string 2 pattern)
|
||
|
|
(match-string 3 pattern))
|
||
|
|
(list pattern nil nil))))
|
||
|
|
|
||
|
|
(defun evil-ex-search-full-pattern (pattern-string count direction)
|
||
|
|
"Search for a full search pattern PATTERN-STRING in DIRECTION.
|
||
|
|
This function split PATTERN-STRING in
|
||
|
|
pattern/offset/;next-pattern parts and performs the search in
|
||
|
|
DIRECTION which must be either 'forward or 'backward. The first
|
||
|
|
search is repeated COUNT times. If the pattern part of
|
||
|
|
PATTERN-STRING is empty, the last global pattern stored in
|
||
|
|
`evil-ex-search-pattern' is used instead if in addition the
|
||
|
|
offset part is nil (i.e. no pattern/offset separator), the last
|
||
|
|
global offset stored in `evil-ex-search-offset' is used as
|
||
|
|
offset. The current match data will correspond to the last
|
||
|
|
successful match. This function returns a triple (RESULT PATTERN
|
||
|
|
OFFSET) where RESULT is
|
||
|
|
|
||
|
|
t the search has been successful without wrap
|
||
|
|
'wrap the search has been successful with wrap
|
||
|
|
'empty-pattern the last pattern has been empty
|
||
|
|
nil the search has not been successful
|
||
|
|
|
||
|
|
and PATTERN and OFFSET are the last pattern and offset this
|
||
|
|
function searched for. Note that this function does not handle
|
||
|
|
any error conditions."
|
||
|
|
(setq count (or count 1))
|
||
|
|
(catch 'done
|
||
|
|
(while t
|
||
|
|
(let* ((res (evil-ex-split-search-pattern pattern-string direction))
|
||
|
|
(pat (pop res))
|
||
|
|
(offset (pop res))
|
||
|
|
(next-pat (pop res)))
|
||
|
|
;; use last pattern of no new pattern has been specified
|
||
|
|
(if (not (zerop (length pat)))
|
||
|
|
(setq pat (evil-ex-make-pattern pat
|
||
|
|
evil-ex-search-case
|
||
|
|
t))
|
||
|
|
(setq pat evil-ex-search-pattern
|
||
|
|
offset (or offset evil-ex-search-offset)))
|
||
|
|
(when (zerop (length pat))
|
||
|
|
(throw 'done (list 'empty-pattern pat offset)))
|
||
|
|
(let (search-result)
|
||
|
|
(while (> count 0)
|
||
|
|
(let ((result (evil-ex-find-next pat direction)))
|
||
|
|
(if (not result) (setq search-result nil count 0)
|
||
|
|
(setq search-result
|
||
|
|
(if (or (eq result 'wrap)
|
||
|
|
(eq search-result 'wrap))
|
||
|
|
'wrap t)
|
||
|
|
count (1- count)))))
|
||
|
|
(cond
|
||
|
|
;; search failed
|
||
|
|
((not search-result) (throw 'done (list nil pat offset)))
|
||
|
|
;; no next pattern, search complete
|
||
|
|
((zerop (length next-pat))
|
||
|
|
(evil-ex-search-goto-offset offset)
|
||
|
|
(throw 'done (list search-result pat offset)))
|
||
|
|
;; next pattern but empty
|
||
|
|
((= 1 (length next-pat))
|
||
|
|
(evil-ex-search-goto-offset offset)
|
||
|
|
(throw 'done (list 'empty-pattern pat offset)))
|
||
|
|
;; next non-empty pattern, next search iteration
|
||
|
|
(t
|
||
|
|
(evil-ex-search-goto-offset offset)
|
||
|
|
(setq count 1
|
||
|
|
pattern-string (substring next-pat 1)
|
||
|
|
direction (if (= (aref next-pat 0) ?/)
|
||
|
|
'forward
|
||
|
|
'backward)))))))))
|
||
|
|
|
||
|
|
(defun evil-ex-search-update-pattern (beg end range)
|
||
|
|
"Update the current search pattern."
|
||
|
|
(let ((pattern-string (minibuffer-contents)))
|
||
|
|
(with-current-buffer evil-ex-current-buffer
|
||
|
|
(with-selected-window (minibuffer-selected-window)
|
||
|
|
(goto-char (1+ evil-ex-search-start-point))
|
||
|
|
(condition-case err
|
||
|
|
(let* ((result (evil-ex-search-full-pattern pattern-string
|
||
|
|
(or evil-ex-search-count 1)
|
||
|
|
evil-ex-search-direction))
|
||
|
|
(success (pop result))
|
||
|
|
(pattern (pop result))
|
||
|
|
(offset (pop result)))
|
||
|
|
(cond
|
||
|
|
((eq success 'wrap)
|
||
|
|
(evil-ex-search-update pattern offset
|
||
|
|
(match-beginning 0) (match-end 0)
|
||
|
|
"Wrapped"))
|
||
|
|
((eq success 'empty-pattern)
|
||
|
|
(evil-ex-search-update nil nil nil nil nil))
|
||
|
|
(success
|
||
|
|
(evil-ex-search-update pattern offset
|
||
|
|
(match-beginning 0) (match-end 0)
|
||
|
|
nil))
|
||
|
|
(t
|
||
|
|
(evil-ex-search-update nil nil
|
||
|
|
nil nil
|
||
|
|
"search failed"))))
|
||
|
|
(invalid-regexp
|
||
|
|
(evil-ex-search-update nil nil nil nil (cadr err)))
|
||
|
|
(error
|
||
|
|
(evil-ex-search-update nil nil nil nil (format "%s" err))))))))
|
||
|
|
(put 'evil-ex-search-update-pattern 'permanent-local-hook t)
|
||
|
|
|
||
|
|
(defun evil-ex-search-exit ()
|
||
|
|
"Exit interactive search, keeping lazy highlighting active."
|
||
|
|
(interactive)
|
||
|
|
(evil-ex-search-stop-session)
|
||
|
|
(exit-minibuffer))
|
||
|
|
|
||
|
|
(defun evil-ex-search-abort ()
|
||
|
|
"Abort interactive search, disabling lazy highlighting."
|
||
|
|
(interactive)
|
||
|
|
(evil-ex-search-stop-session)
|
||
|
|
(evil-ex-delete-hl 'evil-ex-search)
|
||
|
|
(abort-recursive-edit))
|
||
|
|
|
||
|
|
(defun evil-ex-search-goto-offset (offset)
|
||
|
|
"Move point according to search OFFSET and set `evil-this-type' accordingly.
|
||
|
|
This function assumes that the current match data represents the
|
||
|
|
current search result."
|
||
|
|
(unless (zerop (length offset))
|
||
|
|
(let ((beg (match-beginning 0))
|
||
|
|
(end (match-end 0)))
|
||
|
|
(save-match-data
|
||
|
|
(unless
|
||
|
|
(string-match
|
||
|
|
"^\\([esb]\\)?\\(\\([-+]\\)?\\([0-9]*\\)\\)$"
|
||
|
|
offset)
|
||
|
|
(error "Invalid search offset: %s" offset))
|
||
|
|
(let ((count (if (= (match-beginning 4) (match-end 4))
|
||
|
|
(cond
|
||
|
|
((not (match-beginning 3)) 0)
|
||
|
|
((= (aref offset (match-beginning 3)) ?+) +1)
|
||
|
|
(t -1))
|
||
|
|
(string-to-number (match-string 2 offset)))))
|
||
|
|
(cond
|
||
|
|
((not (match-beginning 1))
|
||
|
|
(setq evil-this-type 'line)
|
||
|
|
(forward-line count))
|
||
|
|
((= (aref offset (match-beginning 1)) ?e)
|
||
|
|
(goto-char (+ end count -1))
|
||
|
|
(setq evil-this-type 'inclusive))
|
||
|
|
((memq (aref offset (match-beginning 1)) '(?s ?b))
|
||
|
|
(goto-char (+ beg count))
|
||
|
|
(setq evil-this-type 'inclusive))))))))
|
||
|
|
|
||
|
|
(defun evil-ex-start-search (direction count)
|
||
|
|
"Start a new search in a certain DIRECTION."
|
||
|
|
;; store buffer and window where the search started
|
||
|
|
(let ((evil-ex-current-buffer (current-buffer)))
|
||
|
|
(setq evil-ex-search-count count
|
||
|
|
evil-ex-search-direction direction
|
||
|
|
evil-ex-search-start-point (point))
|
||
|
|
(progn
|
||
|
|
;; ensure minibuffer is initialized accordingly
|
||
|
|
(add-hook 'minibuffer-setup-hook #'evil-ex-search-start-session)
|
||
|
|
;; read the search string
|
||
|
|
(let* ((minibuffer-local-map evil-ex-search-keymap)
|
||
|
|
(search-string
|
||
|
|
(condition-case err
|
||
|
|
(read-string (if (eq evil-ex-search-direction 'forward)
|
||
|
|
"/" "?")
|
||
|
|
nil 'evil-ex-search-history)
|
||
|
|
(quit
|
||
|
|
(evil-ex-search-stop-session)
|
||
|
|
(evil-ex-delete-hl 'evil-ex-search)
|
||
|
|
(goto-char evil-ex-search-start-point)
|
||
|
|
(signal (car err) (cdr err))))))
|
||
|
|
;; pattern entered successful
|
||
|
|
(goto-char (1+ evil-ex-search-start-point))
|
||
|
|
(let* ((result
|
||
|
|
(evil-ex-search-full-pattern search-string
|
||
|
|
evil-ex-search-count
|
||
|
|
evil-ex-search-direction))
|
||
|
|
(success (pop result))
|
||
|
|
(pattern (pop result))
|
||
|
|
(offset (pop result)))
|
||
|
|
(setq evil-ex-search-pattern pattern
|
||
|
|
evil-ex-search-offset offset)
|
||
|
|
(cond
|
||
|
|
((memq success '(t wrap))
|
||
|
|
(goto-char (match-beginning 0))
|
||
|
|
(setq evil-ex-search-match-beg (match-beginning 0)
|
||
|
|
evil-ex-search-match-end (match-end 0))
|
||
|
|
(evil-ex-search-goto-offset offset))
|
||
|
|
(t
|
||
|
|
(goto-char evil-ex-search-start-point)
|
||
|
|
(evil-ex-delete-hl 'evil-ex-search)
|
||
|
|
(signal 'search-failed (list search-string)))))))))
|
||
|
|
|
||
|
|
(defun evil-ex-start-symbol-search (unbounded direction count)
|
||
|
|
"Search for the symbol under point.
|
||
|
|
The search matches the COUNT-th occurrence of the word.
|
||
|
|
If the UNBOUNDED argument is nil, the search matches only
|
||
|
|
at symbol boundaries, otherwise it matches anywhere.
|
||
|
|
The DIRECTION argument should be either `forward' or
|
||
|
|
`backward', determining the search direction."
|
||
|
|
(let ((string (evil-find-symbol (eq direction 'forward))))
|
||
|
|
(if (null string)
|
||
|
|
(error "No symbol under point")
|
||
|
|
(let ((regex (if unbounded
|
||
|
|
(regexp-quote (match-string 0))
|
||
|
|
(format "\\_<%s\\_>" (regexp-quote (match-string 0))))))
|
||
|
|
(setq evil-ex-search-count count
|
||
|
|
evil-ex-search-direction direction
|
||
|
|
evil-ex-search-pattern
|
||
|
|
(evil-ex-make-pattern regex evil-ex-search-case t)
|
||
|
|
evil-ex-search-offset nil)
|
||
|
|
;; update search history unless this pattern equals the
|
||
|
|
;; previous pattern
|
||
|
|
(unless (equal (car-safe evil-ex-search-history) regex)
|
||
|
|
(push regex evil-ex-search-history)))
|
||
|
|
(evil-ex-delete-hl 'evil-ex-search)
|
||
|
|
(when (fboundp 'evil-ex-search-next)
|
||
|
|
(evil-ex-search-next count)))))
|
||
|
|
|
||
|
|
;; substitute
|
||
|
|
(evil-ex-define-argument-type substitution
|
||
|
|
"A substitution pattern argument /pattern/replacement/flags.
|
||
|
|
This handler highlights the pattern of the current substitution."
|
||
|
|
:runner
|
||
|
|
(lambda (flag &optional arg)
|
||
|
|
(with-selected-window (minibuffer-selected-window)
|
||
|
|
(with-current-buffer evil-ex-current-buffer
|
||
|
|
(cond
|
||
|
|
((eq flag 'start)
|
||
|
|
(evil-ex-make-hl
|
||
|
|
'evil-ex-substitute
|
||
|
|
:face 'evil-ex-substitute-matches
|
||
|
|
:update-hook #'evil-ex-pattern-update-ex-info
|
||
|
|
:match-hook (and evil-ex-substitute-interactive-replace
|
||
|
|
#'evil-ex-pattern-update-replacement))
|
||
|
|
(setq flag 'update))
|
||
|
|
|
||
|
|
((eq flag 'stop)
|
||
|
|
(evil-ex-delete-hl 'evil-ex-substitute))))
|
||
|
|
|
||
|
|
(when (and (eq flag 'update)
|
||
|
|
evil-ex-substitute-highlight-all
|
||
|
|
(not (zerop (length arg))))
|
||
|
|
(condition-case lossage
|
||
|
|
(let* ((result (evil-ex-get-substitute-info arg))
|
||
|
|
(pattern (pop result))
|
||
|
|
(replacement (pop result))
|
||
|
|
(range (or (evil-copy-range evil-ex-range)
|
||
|
|
(evil-range (line-beginning-position)
|
||
|
|
(line-end-position)
|
||
|
|
'line
|
||
|
|
:expaned t))))
|
||
|
|
(setq evil-ex-substitute-current-replacement replacement)
|
||
|
|
(evil-expand-range range)
|
||
|
|
(evil-ex-hl-set-region 'evil-ex-substitute
|
||
|
|
(evil-range-beginning range)
|
||
|
|
(evil-range-end range))
|
||
|
|
(evil-ex-hl-change 'evil-ex-substitute pattern))
|
||
|
|
(end-of-file
|
||
|
|
(evil-ex-pattern-update-ex-info nil
|
||
|
|
"incomplete replacement"))
|
||
|
|
(error
|
||
|
|
(evil-ex-pattern-update-ex-info nil
|
||
|
|
(format "%s" lossage))))))))
|
||
|
|
|
||
|
|
(defun evil-ex-pattern-update-ex-info (hl result)
|
||
|
|
"Update the Ex info string."
|
||
|
|
(when (stringp result)
|
||
|
|
(evil-ex-echo "%s" result)))
|
||
|
|
|
||
|
|
(defun evil-ex-pattern-update-replacement (hl overlay)
|
||
|
|
"Update the replacement display."
|
||
|
|
(when (fboundp 'match-substitute-replacement)
|
||
|
|
(let ((fixedcase (not case-replace))
|
||
|
|
repl)
|
||
|
|
(setq repl (if evil-ex-substitute-current-replacement
|
||
|
|
(evil-match-substitute-replacement
|
||
|
|
evil-ex-substitute-current-replacement
|
||
|
|
fixedcase)
|
||
|
|
""))
|
||
|
|
(put-text-property 0 (length repl)
|
||
|
|
'face 'evil-ex-substitute-replacement
|
||
|
|
repl)
|
||
|
|
(overlay-put overlay 'after-string repl))))
|
||
|
|
|
||
|
|
(defun evil-ex-parse-global (string)
|
||
|
|
"Parse STRING as a global argument."
|
||
|
|
(evil-delimited-arguments string 2))
|
||
|
|
|
||
|
|
(defun evil-ex-get-substitute-info (string)
|
||
|
|
"Returns the substitution info of command line STRING.
|
||
|
|
This function returns a three-element list \(PATTERN REPLACEMENT
|
||
|
|
FLAGS) consisting of the substitution parts of STRING. PATTERN is
|
||
|
|
a ex-pattern (see `evil-ex-make-pattern') and REPLACEMENT in a
|
||
|
|
compiled replacement expression (see `evil-compile-replacement').
|
||
|
|
The information returned is the actual substitution information
|
||
|
|
w.r.t. to special situations like empty patterns or repetition of
|
||
|
|
previous substitution commands."
|
||
|
|
(let (pattern replacement flags)
|
||
|
|
(cond
|
||
|
|
((or (null string) (string-match "^[a-zA-Z]" string))
|
||
|
|
;; starts with letter so there is no pattern because the
|
||
|
|
;; separate must not be a letter repeat last substitute
|
||
|
|
(setq replacement evil-ex-substitute-replacement)
|
||
|
|
;; flags are everything that is not a white space
|
||
|
|
(when (and string (string-match "[^[:space:]]+" string))
|
||
|
|
(setq flags (match-string 0 string))))
|
||
|
|
(t
|
||
|
|
(let ((args (evil-delimited-arguments string 3)))
|
||
|
|
(setq pattern (pop args)
|
||
|
|
replacement (pop args)
|
||
|
|
flags (pop args))
|
||
|
|
;; if replacment equals "~" use previous replacement
|
||
|
|
(if (equal replacement "~")
|
||
|
|
(setq replacement evil-ex-substitute-replacement)
|
||
|
|
(setq replacement (evil-compile-replacement replacement))))))
|
||
|
|
;; if flags equals "&" add previous flags
|
||
|
|
(if (and (not (zerop (length flags)))
|
||
|
|
(= (aref flags 0) ?&))
|
||
|
|
(setq flags (append (substring flags 1)
|
||
|
|
evil-ex-substitute-flags))
|
||
|
|
(setq flags (append flags nil)))
|
||
|
|
;; if no pattern, use previous pattern
|
||
|
|
(when (zerop (length pattern))
|
||
|
|
(if (memq ?r flags)
|
||
|
|
(setq pattern (and evil-ex-search-pattern
|
||
|
|
(evil-ex-pattern-regex evil-ex-search-pattern))
|
||
|
|
flags (remq ?r flags))
|
||
|
|
(setq pattern (and evil-ex-substitute-pattern
|
||
|
|
(evil-ex-pattern-regex evil-ex-substitute-pattern)))))
|
||
|
|
;; generate pattern
|
||
|
|
(when pattern
|
||
|
|
(setq pattern
|
||
|
|
(evil-ex-make-pattern
|
||
|
|
pattern
|
||
|
|
(or (and (memq ?i flags) 'insensitive)
|
||
|
|
(and (memq ?I flags) 'sensitive)
|
||
|
|
evil-ex-substitute-case
|
||
|
|
evil-ex-search-case)
|
||
|
|
(memq ?g flags))))
|
||
|
|
(list pattern replacement flags)))
|
||
|
|
|
||
|
|
(defun evil-ex-nohighlight ()
|
||
|
|
"Disable the active search highlightings."
|
||
|
|
(interactive)
|
||
|
|
(evil-ex-delete-hl 'evil-ex-substitute)
|
||
|
|
(evil-ex-delete-hl 'evil-ex-search))
|
||
|
|
|
||
|
|
(provide 'evil-search)
|
||
|
|
|
||
|
|
;;; evil-search.el ends here
|