/**
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* Created by bin.shen on 01/04/2017.
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*/
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module.exports.toDec = function(hex) {
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if(typeof hex === 'number') {
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return parseInt(hex);
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}
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return Number('0x' + hex);
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};
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module.exports.padLeft = function(str,length) {
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if(str.toString().length >= length) {
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return str.toString();
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} else {
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return this.padLeft("0" + str.toString(), length);
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}
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};
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module.exports.get_data_store = function(data, length) {
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data = data.substr(6, length);
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//console.log(data);
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// QN= 开始到 &&
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var items = data.match(/CP=&&.*&&/g);
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var data_cp;
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if(items != null && items instanceof Array && items.length > 0) {
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data_cp = items[0]; // CP=&&...&&
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data = data.replace(";" + data_cp, ""); // QN=20181204130444001;ST=31;CN=2061;PW=123456;MN=P5DND7A0392209
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data_cp = data_cp.substr(5, data_cp.length - 7); // 去掉开头 CP=&& 和结尾 &&
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}
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var data_store = {};
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var commands = data.split(";");
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commands.forEach(function (command) {
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var cmds = command.split("=");
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var key = cmds[0];
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var value = cmds[1];
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data_store[key] = value;
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});
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data_store['CP'] = data_cp;
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//console.log(data_store);
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return data_store;
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};
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module.exports.get_cp_data_store = function(data) {
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var data_items = data.split(";"); // [array]
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var data_store = {};
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data_items.forEach(function(data_item) {
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var data_item1s = data_item.split(";");
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data_item1s.forEach(function(data_item1) {
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var data_item2s = data_item1.split(",");
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data_item2s.forEach(function(data_item2) {
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var items = data_item2.split("=");
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var item1 = items[0];
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var item2 = items[1];
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if(item1.endsWith("-Rtd")) {
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var key = item1.replace("-Rtd", "");
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data_store[key.toString()] = item2;
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}else{
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let k = item1;
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data_store[k.toString()] = item2;
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}
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});
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});
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});
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return data_store;
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};
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module.exports.findNextCommand = function(data) {
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var x = data.indexOf("##");
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var y = data.indexOf("@@");
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if(x == -1) {
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if(y == -1) {
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return "";
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} else {
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return data.substr(y)
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}
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} else {
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if(y == -1) {
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return data.substr(x)
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} else {
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return data.substr(Math.min(x, y))
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}
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}
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};
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module.exports.get_datatime = function (data) {
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let data_items = data.split(";");
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if(data_items[0].startsWith('DataTime')){
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let dt = data_items[0];
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let items = dt.split("=");
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let v = items[1];
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let pattern = /(\d{4})(\d{2})(\d{2})(\d{2})(\d{2})(\d{2})/;
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let data_time = v.replace(pattern, '$1-$2-$3 $4:$5:$6'); // 识别为格式化时间
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let ts = Date.parse(data_time); // unix timestamp
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return ts;
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}else{
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let ts = Date.parse(new Date()); // current time
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return ts;
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}
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};
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