/* * Copyright © 2020 Luciano Iam * * 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 ANode = Object.freeze({ TEMPO: 'tempo', POSITION_TIME: 'position_time', TRANSPORT_ROLL: 'transport_roll', RECORD_STATE: 'record_state', 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' }); export class Message { constructor (node, addr, val) { this.node = node; this.addr = addr; this.val = []; for (const i in val) { if (val[i] >= JSON_INF) { this.val.push(Infinity); } else if (val[i] <= -JSON_INF) { this.val.push(-Infinity); } else { this.val.push(val[i]); } } } 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 i in this.val) { if (this.val[i] == Infinity) { val.push(JSON_INF); } else if (this.val[i] == -Infinity) { val.push(-JSON_INF); } else { val.push(this.val[i]); } } 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}`; } }