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