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Added multi-level property functionality
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@ -36,7 +36,7 @@
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<div class="form-row" id="node-reg-row">
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<label> </label>
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<input type="checkbox" id="node-input-reg" style="display: inline-block; width: auto; vertical-align: top;">
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<label for="node-input-reg" style="width: 70%;">Use regular expressions ?</label>
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<label for="node-input-reg" style="width: 70%;">Use regular expressions</label>
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</div>
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<div class="form-tips" id="node-tip"></div>
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<br/>
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@ -47,10 +47,10 @@
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</script>
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<script type="text/x-red" data-help-name="change">
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<p>A simple function node to change, replace, add or delete properties of a message.</p>
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<p>A simple function node to set, replace or delete properties of a message.</p>
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<p>When a message arrives, the selected property is modified by the defined rules.
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The message is then sent to the output.</p>
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<p><b>Note:</b> Replace only operates on <b>strings</b>. Anything else will be passed straight through.</p>
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<p><b>Note:</b> Set and replace only operate using <b>strings</b>. Anything else will be passed straight through.</p>
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</script>
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<script type="text/javascript">
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@ -82,8 +82,10 @@
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if (this.name) {
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return this.name;
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}
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if (this.action == "replace") {
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if (this.action === "replace") {
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return "set msg."+this.property;
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} else if (this.action === "change") {
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return "replace msg."+this.property;
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} else {
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return this.action+" msg."+this.property
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}
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@ -27,48 +27,42 @@ module.exports = function(RED) {
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if (node.reg === false) {
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this.from = this.from.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&");
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}
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var makeNew = function( stem, path, value ) {
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var lastPart = (arguments.length === 3) ? path.pop() : false;
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for (var i = 0; i < path.length; i++) {
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stem = stem[path[i]] = stem[path[i]] || {};
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}
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if (lastPart) { stem = stem[lastPart] = value; }
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return stem;
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};
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this.on('input', function (msg) {
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if (node.action == "change") {
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var propertyParts;
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var depth = 0;
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if (node.action === "change") {
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try {
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node.re = new RegExp(this.from, "g");
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} catch (e) {
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node.error(e.message);
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}
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if (typeof msg[node.property] === "string") {
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msg[node.property] = (msg[node.property]).replace(node.re, node.to);
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}
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propertyParts = node.property.split(".");
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try {
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propertyParts.reduce(function (obj, i) {
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if (++depth === propertyParts.length) {
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if (node.action === "change") {
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if (typeof obj[i] === "string") {
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obj[i] = obj[i].replace(node.re, node.to);
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}
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//else if (node.action == "replace") {
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//if (node.to.indexOf("msg.") == 0) {
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//msg[node.property] = eval(node.to);
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//}
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//else {
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//msg[node.property] = node.to;
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//}
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//}
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else if (node.action == "replace") {
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if (node.to.indexOf("msg.") === 0) {
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makeNew( msg, node.property.split("."), eval(node.to) );
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} else if (node.action === "replace") {
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obj[i] = node.to;
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} else if (node.action === "delete") {
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delete(obj[i]);
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}
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else {
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makeNew( msg, node.property.split("."), node.to );
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} else {
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if (!obj[i]) {
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obj[i] = {};
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}
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//makeNew( msg, node.property.split("."), node.to );
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}
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else if (node.action == "delete") {
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delete(msg[node.property]);
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return obj[i];
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}
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}, msg);
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} catch (err) {}
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node.send(msg);
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});
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}
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RED.nodes.registerType("change", ChangeNode);
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}
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};
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