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
|
// Eko: A terminal based social media platform
// Copyright (C) 2025 Kyren223
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
package viminput
import "unicode"
func IsKeyword(r rune) bool {
alphaLower := 'a' <= r && r <= 'z'
alphaUpper := 'A' <= r && r <= 'Z'
numeric := '0' <= r && r <= '9'
return alphaLower || alphaUpper || numeric || r == '_'
}
func IsGrouped(r1, r2 rune) bool {
if IsKeyword(r1) {
return IsKeyword(r2)
}
if unicode.IsSpace(r1) {
return unicode.IsSpace(r2)
}
return !IsKeyword(r2) && !unicode.IsSpace(r2)
}
func SearchChar(line []rune, i, dir int, c rune) (index int, ok bool) {
found := false
for i >= 0 && i < len(line) {
if line[i] == c {
found = true
break
}
i += dir
}
return i, found
}
func SearchCharFunc(line []rune, i, dir int, f func(c rune) bool) (index int, ok bool) {
found := false
for i >= 0 && i < len(line) {
if f(line[i]) {
found = true
break
}
i += dir
}
return i, found
}
|
