add vendoring

vendor/maunium.net/go/mautrix/id/opaque.go

@@ -0,0 +1,83 @@
+// Copyright (c) 2020 Tulir Asokan
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+package id
+
+import (
+	"fmt"
+)
+
+// A RoomID is a string starting with ! that references a specific room.
+// https://matrix.org/docs/spec/appendices#room-ids-and-event-ids
+type RoomID string
+
+// A RoomAlias is a string starting with # that can be resolved into.
+// https://matrix.org/docs/spec/appendices#room-aliases
+type RoomAlias string
+
+func NewRoomAlias(localpart, server string) RoomAlias {
+	return RoomAlias(fmt.Sprintf("#%s:%s", localpart, server))
+}
+
+// An EventID is a string starting with $ that references a specific event.
+//
+// https://matrix.org/docs/spec/appendices#room-ids-and-event-ids
+// https://matrix.org/docs/spec/rooms/v4#event-ids
+type EventID string
+
+// A BatchID is a string identifying a batch of events being backfilled to a room.
+// https://github.com/matrix-org/matrix-doc/pull/2716
+type BatchID string
+
+func (roomID RoomID) String() string {
+	return string(roomID)
+}
+
+func (roomID RoomID) URI(via ...string) *MatrixURI {
+	return &MatrixURI{
+		Sigil1: '!',
+		MXID1:  string(roomID)[1:],
+		Via:    via,
+	}
+}
+
+func (roomID RoomID) EventURI(eventID EventID, via ...string) *MatrixURI {
+	return &MatrixURI{
+		Sigil1: '!',
+		MXID1:  string(roomID)[1:],
+		Sigil2: '$',
+		MXID2:  string(eventID)[1:],
+		Via:    via,
+	}
+}
+
+func (roomAlias RoomAlias) String() string {
+	return string(roomAlias)
+}
+
+func (roomAlias RoomAlias) URI() *MatrixURI {
+	return &MatrixURI{
+		Sigil1: '#',
+		MXID1:  string(roomAlias)[1:],
+	}
+}
+
+func (roomAlias RoomAlias) EventURI(eventID EventID) *MatrixURI {
+	return &MatrixURI{
+		Sigil1: '#',
+		MXID1:  string(roomAlias)[1:],
+		Sigil2: '$',
+		MXID2:  string(eventID)[1:],
+	}
+}
+
+func (eventID EventID) String() string {
+	return string(eventID)
+}
+
+func (batchID BatchID) String() string {
+	return string(batchID)
+}