Node / meshtastic / Meshtastic-Android / files / core / model / src / commonMain / kotlin / org / meshtastic / core / model / Mention.kt

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T8b949e/*

* Copyright (c) 2026 Meshtastic LLC

*

* 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 <https://www.gnu.org/licenses/>.

*/

Tff7b72package T7ee787org.meshtastic.core.model

T8b949e/**

* The @mention wire token: `@` followed by a node's hex user id (`@!ffccee11`). This is the single source of truth for

* the cross-platform wire format (see meshtastic/design#21) so the compose input, message rendering, and notification

* paths all detect it identically. The 8-hex run plus the negative lookahead reject a partial match against a longer

* id.

*/

Tff7b72val Te6edf3MENTION_TOKEN_REGEX Tff7b72= Te6edf3RegexTb4b4b4(Ta5d6ff"""Ta5d6ff@(![0-9a-fA-F]{8})(?![0-9a-fA-F])Ta5d6ff"""Tb4b4b4)

T8b949e/**

* True if [text] @mentions the node whose hex user id is [userId] (e.g. `!ffccee11`), honoring the token boundary — a

* trailing hex digit (`@!ffccee11a`) is a different, longer id and is not a match.

*/

Tff7b72fun Td2a8fftextMentionsNodeTb4b4b4(Te6edf3textTb4b4b4: Tffa657String?Tb4b4b4, Te6edf3userIdTb4b4b4: Tffa657StringTb4b4b4)Tb4b4b4: Tffa657Boolean Tb4b4b4{

Tff7b72if Tb4b4b4(Te6edf3textTb4b4b4.Te6edf3isNullOrEmptyTb4b4b4(Tb4b4b4) Tff7b72|Tff7b72| Te6edf3userIdTb4b4b4.Te6edf3length Tff7b72<Tff7b72= T79c0ff1Tb4b4b4) Tff7b72return Tff7b72false

T8b949e// Derive from the shared token regex so the format/boundary rule lives in exactly one place.

Tff7b72return Te6edf3MENTION_TOKEN_REGEXTb4b4b4.Te6edf3findAllTb4b4b4(Te6edf3textTb4b4b4)Tb4b4b4.Te6edf3any Tb4b4b4{ Tffa657itTb4b4b4.Te6edf3groupValuesTff7b72[T79c0ff1Tff7b72]Tb4b4b4.Te6edf3equalsTb4b4b4(Te6edf3userIdTb4b4b4, Te6edf3ignoreCase Tff7b72= Tff7b72trueTb4b4b4) Tb4b4b4}

Tb4b4b4}