@u4/adbkit
Version:
A Typescript client for the Android Debug Bridge.
70 lines • 2.01 kB
JavaScript
import Protocol from './protocol.js';
import Utils from './utils.js';
const debug = Utils.debug('adb:command');
const RE_SQUOT = /'/g;
const RE_ESCAPE = /([$`\\!"])/g;
export default class Command {
get lastCommand() {
return this.lastCmd || '';
}
constructor(connection, options = {}) {
this.connection = connection;
this.lastCmd = '';
this.options = { sudo: false, ...options };
}
get parser() {
return this.connection.parser;
}
/**
* encode message and send it to ADB socket
* @returns byte write count
*/
_send(data) {
this.parser.lastMessage = data;
const encoded = Protocol.encodeData(data);
if (debug.enabled) {
debug(`Send '${encoded}'`);
}
return this.connection.write(encoded);
}
escape(arg) {
switch (typeof arg) {
case 'number':
return arg;
default:
return `'${arg.toString().replace(RE_SQUOT, "'\"'\"'")}'`;
}
}
escapeCompat(arg) {
switch (typeof arg) {
case 'number':
return arg;
default:
return `"${arg.toString().replace(RE_ESCAPE, '\\$1')}"`;
}
}
/**
* called once per command, only affect shell based command.
* @returns sent data
*/
async sendCommand(data) {
if (this.options.sudo) {
if (data.startsWith('shell:')) {
data = 'shell:su -c \'' + data.substring(6).replace(/'/g, "\\'") + '\'';
}
else if (data.startsWith('exec:')) {
data = 'exec:su -c \'' + data.substring(5).replace(/'/g, "\\'") + '\'';
}
}
this.lastCmd = data;
await this._send(data);
return data;
}
/**
* most common action: read for Okey
*/
async readOKAY() {
await this.parser.readCode(Protocol.OKAY);
}
}
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