1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
|
;;; km-editing.el --- Editing-related extensions
;; Copyright (C) 2012-2016 Kyle Meyer <kyle@kyleam.com>
;; Author: Kyle Meyer <kyle@kyleam.com>
;; URL: https://github.com/kyleam/emacs.d
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <http://www.gnu.org/licenses/>.
;;; Code:
(require 'dash)
(require 'outline)
(require 's)
(require 'select)
(require 'thingatpt)
(require 'whitespace)
;; http://www.emacswiki.org/emacs/UnfillParagraph
;;;###autoload
(defun km/unfill-paragraph ()
"Convert a multi-line paragraph to a single line of text."
(interactive)
(let ((fill-column (point-max)))
(fill-paragraph nil)))
;;;###autoload
(defun km/fill-surrounding-indented ()
"Fill current line with all surrounding lines of same indentation.
This is like `fill-individual-paragraphs', but 1) it acts only on
a single paragraph at point, not all paragraphs in a region, and
2) it doesn't treat lines with the following structure as a
special case.
foo> This line with extra indentation starts
foo> a paragraph that continues on more lines."
(interactive)
(save-excursion
(let ((orig-point (point))
(level (current-indentation))
beg end)
(beginning-of-line)
(while (and (not beg) (not (bobp)))
(forward-line -1)
(when (or (/= level (current-indentation))
(looking-at "^\\s-*$"))
(forward-line)
(setq beg (point))))
(goto-char orig-point)
(beginning-of-line)
(while (and (not end) (not (eobp)))
(forward-line)
(when (or (/= level (current-indentation))
(looking-at "^\\s-*$"))
(forward-line -1)
(end-of-line)
(setq end (point))))
(fill-region (or beg (point-min)) (or end (point-max))))))
;;;###autoload
(defun km/reduce-to-single-spaces ()
"Reduce consecutive blank lines to a single line."
(interactive)
(save-excursion
(goto-char (point-min))
(while (re-search-forward "\\([ \t]*\n\\)\\{3,\\}" nil t)
(forward-line -1)
(delete-blank-lines))))
;;;###autoload
(defun km/export-wrapped-text (&optional xselect)
"Export the text in current buffer as wrapped text.
This is useful for preparing text in emacs and then exporting to
a wrapped buffer for pasting text (e.g., into a web form).
With an active region, restrict export to this region. If
XSELECT is non-nil, copy the region with `x-select-text'."
(interactive "P")
(let ((wrapped-buffer (get-buffer-create "*Wrapped export*")))
(apply #'copy-to-buffer wrapped-buffer
(if (use-region-p)
(list (region-beginning) (region-end))
(list (point-min) (point-max))))
(with-current-buffer wrapped-buffer
(while (not (eobp))
(forward-paragraph)
(forward-line -1)
(km/unfill-paragraph)
(forward-line 1))
(when xselect
(x-select-text
(buffer-substring-no-properties (point-min) (point-max)))))
(pop-to-buffer wrapped-buffer)))
;;;###autoload
(defun km/narrow-to-comment-heading ()
"Narrow to the current comment heading subtree.
Narrow the buffer from the current comment heading to the next
comment heading of the same level or, if not found, to the end of
the buffer.
A comment is considered a heading if it is at the beginning of
the line and if it conists of 3 or more occurences of
`comment-start'. The number of `comment-start' characters is
taken to indicate the level of the heading (with 3 being the top
level).
In the examples below, 'x' indicates the current point and '>>>'
and '<<<' mark the bounds of the narrowed region.
---------------------------------------------------------------
>>>;;; Level one heading
x
;;;; Level two heading
<<<
;;; Another level one heading
------------------------------eob------------------------------
---------------------------------------------------------------
;;; Level one heading
>>>;;;; Level two heading
x
<<<
;;;; Another level one heading
------------------------------eob------------------------------
---------------------------------------------------------------
>>>;;; Level one heading
x
;;;; Level two heading
<<<
------------------------------eob------------------------------"
(interactive)
(unless comment-start
(user-error "Comment syntax is not defined for current buffer"))
(unless (= (length comment-start) 1)
(user-error "Buffer's comment string consists of more than one character"))
(save-excursion
(widen)
(let ((outline-regexp (concat (s-repeat 4 comment-start) "*")))
(outline-mark-subtree)
(narrow-to-region (region-beginning) (region-end)))))
;;;###autoload
(defun km/toggle-line-or-region-comment (beg end)
"Comment or uncomment the current line or region.
If there is an active region, act on all lines that the region
touches."
(interactive "*r")
(unless (use-region-p)
(setq beg (point)
end (point)))
(let ((bol (save-excursion (goto-char beg)
(line-beginning-position)))
(eol (save-excursion (goto-char end)
(line-end-position))))
(unless (eq bol eol)
(comment-or-uncomment-region bol eol)
(forward-line))))
;; Modified from http://oremacs.com/2015/01/26/occur-dwim/.
;;;###autoload
(defun km/occur ()
"Call `occur' with active region or symbol at point."
(interactive)
(--when-let (if (use-region-p)
(buffer-substring-no-properties
(region-beginning) (region-end))
(thing-at-point 'symbol))
(push it regexp-history))
(call-interactively 'occur))
;;; Kill map
;;;###autoload
(defun km/kill-string-at-point ()
(interactive)
(let ((string-start (nth 8 (syntax-ppss))))
(goto-char string-start)
(kill-sexp)))
;; Taken from prelude-core.el.
;;;###autoload
(defun km/join-next-line-with-space ()
"Join current line to the next line with a space in between."
(interactive)
(delete-indentation 1))
(defmacro km/make-kill-thing-at-point (thing)
`(defun ,(intern (concat "km/kill-" thing "-at-point")) ()
,(format "Kill %s at point." thing)
(interactive)
(goto-char (beginning-of-thing (quote ,(make-symbol thing))))
(,(intern (concat "kill-" thing)) 1)))
(km/make-kill-thing-at-point "line")
(km/make-kill-thing-at-point "paragraph")
(km/make-kill-thing-at-point "sentence")
(km/make-kill-thing-at-point "word")
(provide 'km-editing)
;;; km-editing.el ends here
|