mirror of https://github.com/node-red/node-red.git
48 lines
2.0 KiB
JavaScript
48 lines
2.0 KiB
JavaScript
|
|
module.exports = function(RED) {
|
|
"use strict";
|
|
var xml2js = require('xml2js');
|
|
var parseString = xml2js.parseString;
|
|
|
|
function XMLNode(n) {
|
|
RED.nodes.createNode(this,n);
|
|
this.attrkey = n.attr;
|
|
this.charkey = n.chr;
|
|
this.property = n.property||"payload";
|
|
var node = this;
|
|
this.on("input", function(msg) {
|
|
var value = RED.util.getMessageProperty(msg,node.property);
|
|
if (value !== undefined) {
|
|
var options;
|
|
if (typeof value === "object") {
|
|
options = {renderOpts:{pretty:false}};
|
|
if (msg.hasOwnProperty("options") && typeof msg.options === "object") { options = msg.options; }
|
|
options.async = false;
|
|
var builder = new xml2js.Builder(options);
|
|
value = builder.buildObject(value, options);
|
|
RED.util.setMessageProperty(msg,node.property,value);
|
|
node.send(msg);
|
|
}
|
|
else if (typeof value == "string") {
|
|
options = {};
|
|
if (msg.hasOwnProperty("options") && typeof msg.options === "object") { options = msg.options; }
|
|
options.async = true;
|
|
options.attrkey = node.attrkey || options.attrkey || '$';
|
|
options.charkey = node.charkey || options.charkey || '_';
|
|
parseString(value, options, function (err, result) {
|
|
if (err) { node.error(err, msg); }
|
|
else {
|
|
value = result;
|
|
RED.util.setMessageProperty(msg,node.property,value);
|
|
node.send(msg);
|
|
}
|
|
});
|
|
}
|
|
else { node.warn(RED._("xml.errors.xml_js")); }
|
|
}
|
|
else { node.send(msg); } // If no property - just pass it on.
|
|
});
|
|
}
|
|
RED.nodes.registerType("xml",XMLNode);
|
|
}
|