38 lines
1.3 KiB
Go
38 lines
1.3 KiB
Go
// GoToSocial
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// Copyright (C) GoToSocial Authors admin@gotosocial.org
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// SPDX-License-Identifier: AGPL-3.0-or-later
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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 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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// 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 <http://www.gnu.org/licenses/>.
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package util
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import (
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"unicode"
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)
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func IsPlausiblyInHashtag(r rune) bool {
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// Marks are allowed during parsing, prior to normalization, but not after,
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// since they may be combined into letters during normalization.
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return unicode.IsLetter(r) || unicode.IsNumber(r) || unicode.IsMark(r)
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}
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func IsPermittedInHashtag(r rune) bool {
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return unicode.IsLetter(r) || unicode.IsNumber(r)
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}
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// Decides where to break before or after a #hashtag or @mention
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func IsMentionOrHashtagBoundary(r rune) bool {
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return unicode.IsSpace(r) || unicode.IsPunct(r)
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}
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