89 lines
2.5 KiB
JavaScript
89 lines
2.5 KiB
JavaScript
/*
|
|
* Copyright © 2020 Luciano Iam <lucianito@gmail.com>
|
|
*
|
|
* 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 2 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, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
export const JSON_INF = 1.0e+128;
|
|
|
|
export const StateNode = Object.freeze({
|
|
STRIP_DESCRIPTION : 'strip_description',
|
|
STRIP_METER : 'strip_meter',
|
|
STRIP_GAIN : 'strip_gain',
|
|
STRIP_PAN : 'strip_pan',
|
|
STRIP_MUTE : 'strip_mute',
|
|
STRIP_PLUGIN_DESCRIPTION : 'strip_plugin_description',
|
|
STRIP_PLUGIN_ENABLE : 'strip_plugin_enable',
|
|
STRIP_PLUGIN_PARAM_DESCRIPTION : 'strip_plugin_param_description',
|
|
STRIP_PLUGIN_PARAM_VALUE : 'strip_plugin_param_value',
|
|
TRANSPORT_TEMPO : 'transport_tempo',
|
|
TRANSPORT_TIME : 'transport_time',
|
|
TRANSPORT_ROLL : 'transport_roll',
|
|
TRANSPORT_RECORD : 'transport_record'
|
|
});
|
|
|
|
export class Message {
|
|
|
|
constructor (node, addr, val) {
|
|
this.node = node;
|
|
this.addr = addr;
|
|
this.val = [];
|
|
|
|
for (const v of val) {
|
|
if (v >= JSON_INF) {
|
|
this.val.push(Infinity);
|
|
} else if (v <= -JSON_INF) {
|
|
this.val.push(-Infinity);
|
|
} else {
|
|
this.val.push(v);
|
|
}
|
|
}
|
|
}
|
|
|
|
static nodeAddrId (node, addr) {
|
|
return [node].concat(addr || []).join('_');
|
|
}
|
|
|
|
static fromJsonText (jsonText) {
|
|
let rawMsg = JSON.parse(jsonText);
|
|
return new Message(rawMsg.node, rawMsg.addr || [], rawMsg.val);
|
|
}
|
|
|
|
toJsonText () {
|
|
let val = [];
|
|
|
|
for (const v of this.val) {
|
|
if (v == Infinity) {
|
|
val.push(JSON_INF);
|
|
} else if (v == -Infinity) {
|
|
val.push(-JSON_INF);
|
|
} else {
|
|
val.push(v);
|
|
}
|
|
}
|
|
|
|
return JSON.stringify({node: this.node, addr: this.addr, val: val});
|
|
}
|
|
|
|
get nodeAddrId () {
|
|
return Message.nodeAddrId(this.node, this.addr);
|
|
}
|
|
|
|
toString () {
|
|
return `${this.node} (${this.addr}) = ${this.val}`;
|
|
}
|
|
|
|
}
|