zhywpt-sp/static/etc/WJAPI/wjDataEncode.js

"use strict";
var _wjUtils = require("./wjUtils.js"),
	_wjUtils2 = _interopRequireDefault(_wjUtils);

function _interopRequireDefault(e) {
	return e && e.__esModule ? e : {
		default: e
	}
}

function encode(e, t, a) {
	var r = _wjUtils2.default.getProtocolType(),
		n = getETCData(e, t, a),
		s = {};
	return 0 == r ? s = encode_GB(n) : 1 == r && (s = encode_WX(n)), s
}

function getETCData(e, t, a) {
	var r = "";
	return r = "A0" == a || "A3" == a || "A4" == a || "82" == a ? a + t + (r = getCommand(e)) : e, _wjUtils2.default
		.showLog("组拼ETCData完毕：", r.length / 2, r), r
}

function getCommand(e) {
	var t = e,
		a = _wjUtils2.default.getDATA_TYPE(),
		r = e.length / 2,
		n = new ArrayBuffer(10),
		s = new DataView(n);
	if (0 == a) i = 256 < r ? (s.setInt8(0, 4 + r & 255), s.setInt8(1, 4 + r >> 8 & 255), s.setInt8(2, 128), s.setInt8(
		3, 130), s.setInt8(4, r >> 8 & 255), s.setInt8(5, 255 & r), n.slice(0, 6)) : 128 < r && r <= 256 ? (s
		.setInt8(0, 3 + r & 255), s.setInt8(1, 3 + r >> 8 & 255), s.setInt8(2, 128), s.setInt8(3, 129), s.setInt8(4,
			r), n.slice(0, 5)) : (s.setInt8(0, 2 + r & 255), s.setInt8(1, 2 + r >> 8 & 255), s.setInt8(2, 128), s
		.setInt8(3, r), n.slice(0, 4)), t = _wjUtils2.default.byteArray2hexStr(i) + t;
	else if (1 == a) {
		var i;
		s.setInt8(0, 255 & r), s.setInt8(1, r >> 8 & 255), i = n.slice(0, 2), t = _wjUtils2.default.byteArray2hexStr(
			i) + t
	}
	return t
}

function encode_GB(e) {
	var t = {},
		a = _wjUtils2.default.getPagLenMax(),
		r = parseInt(e.length / 2 / a);
	e.length / 2 % a != 0 && (r += 1);
	var n = new ArrayBuffer(10);
	new DataView(n);
	t.serviceCode = 0, t.serviceInfo = "encode ok", t.serviceData = {}, t.serviceData.dataEncode = new Array;
	for (var s = 0; s < r - 1; s++) t.serviceData.dataEncode[s] = e.substr(s * a * 2, 2 * a), t.serviceData.dataEncode[
		s] = getGBFrame(t.serviceData.dataEncode[s], s, r);
	return t.serviceData.dataEncode[r - 1] = e.substring((r - 1) * a * 2), t.serviceData.dataEncode[r - 1] = getGBFrame(
		t.serviceData.dataEncode[r - 1], r - 1, r), t
}

function encode_WX(e) {
	var t = {},
		a = _wjUtils2.default.getPagLenMax(),
		r = parseInt(e.length / 2 / a);
	e.length / 2 % a != 0 && (r += 1), t.serviceCode = 0, t.serviceInfo = "encode ok", t.serviceData = {}, t.serviceData
		.dataEncode = new Array;
	var n = 0;
	for (n = 0; n < r - 1; n++) t.serviceData.dataEncode[n] = e.substr(n * a * 2, 2 * a), t.serviceData.dataEncode[n] =
		getWXFrame(t.serviceData.dataEncode[n], n, r);
	return t.serviceData.dataEncode[r - 1] = e.substring((r - 1) * a * 2), t.serviceData.dataEncode[r - 1] = getWXFrame(
		t.serviceData.dataEncode[r - 1], r - 1, r), t
}

function getWXFrame(e, t, a) {
	var r = e,
		n = new ArrayBuffer(10),
		s = new DataView(n),
		i = "",
		l = "",
		d = 0,
		u = e.length / 2;
	0 == t ? s.setInt8(0, 128 + (a - 1 - t & 255)) : s.setInt8(0, a - 1 - t & 255), r = "3301" + (i = _wjUtils2.default
		.byteArray2hexStr(n).substring(0, 2)) + _wjUtils2.default.byte2hexStr(255 & u) + r;
	for (var c = _wjUtils2.default.hexStr2byteArray(r), o = 1; o < c.length; o++) d ^= c[o];
	r += _wjUtils2.default.byte2hexStr(d);
	var f = _wjUtils2.default.hexStr2byteArray(r).length;
	if (127 < f) {
		s.setInt8(0, 128 + (f % 128 & 255)), s.setInt8(1, f / 128 & 255), i = _wjUtils2.default.byteArray2hexStr(n)
			.substring(0, 4);
		var w = f + 8 + 4 + 3;
		s.setInt8(0, w >> 8 & 255), s.setInt8(1, 255 & w), l = _wjUtils2.default.byteArray2hexStr(n).substring(0, 4)
	} else {
		s.setInt8(0, 255 & f), i = _wjUtils2.default.byteArray2hexStr(n).substring(0, 2);
		w = f + 8 + 4 + 2;
		s.setInt8(0, w >> 8 & 255), s.setInt8(1, 255 & w), l = _wjUtils2.default.byteArray2hexStr(n).substring(0, 4)
	}
	return r = "FE01" + l + "753100000A0012" + i + r + "1800"
}

function getGBFrame(e, t, a) {
	var r = e,
		n = new ArrayBuffer(10),
		s = new DataView(n),
		i = 0,
		l = e.length / 2;
	0 == t ? (s.setInt8(0, 128 + (a >> 8 & 255)), s.setInt8(1, 255 & a)) : (s.setInt8(0, t + 1 >> 8 & 255), s.setInt8(1,
		t + 1 & 255)), s.setInt8(2, 255 & l), r = "50" + _wjUtils2.default.byteArray2hexStr(n).substring(0, 6) + r;
	for (var d = _wjUtils2.default.hexStr2byteArray(r), u = 0; u < d.length; u++) i ^= d[u];
	return r += _wjUtils2.default.byte2hexStr(i)
}
module.exports = {
	encode: encode
};