X-Git-Url: https://gerrit.onap.org/r/gitweb?a=blobdiff_plain;f=dgbuilder%2Fcore_nodes%2Flogic%2F15-change.js;fp=dgbuilder%2Fcore_nodes%2Flogic%2F15-change.js;h=b7ef62e151198443fde2dace454683f51c588f3c;hb=d1569975bb18f4359fac18aa98f55b69c248a3ad;hp=0000000000000000000000000000000000000000;hpb=a016ea661ff5767a3539734c4c07ef974a6e4614;p=ccsdk%2Fdistribution.git diff --git a/dgbuilder/core_nodes/logic/15-change.js b/dgbuilder/core_nodes/logic/15-change.js new file mode 100644 index 00000000..b7ef62e1 --- /dev/null +++ b/dgbuilder/core_nodes/logic/15-change.js @@ -0,0 +1,74 @@ +/** + * Copyright 2013 IBM Corp. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + **/ + +module.exports = function(RED) { + "use strict"; + function ChangeNode(n) { + RED.nodes.createNode(this, n); + this.action = n.action; + this.property = n.property || ""; + this.from = n.from || " "; + this.to = n.to || " "; + this.reg = (n.reg === null || n.reg); + var node = this; + if (node.reg === false) { + this.from = this.from.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&"); + } + var makeNew = function( stem, path, value ) { + var lastPart = (arguments.length === 3) ? path.pop() : false; + for (var i = 0; i < path.length; i++) { + stem = stem[path[i]] = stem[path[i]] || {}; + } + if (lastPart) { stem = stem[lastPart] = value; } + return stem; + }; + + this.on('input', function (msg) { + if (node.action == "change") { + try { + node.re = new RegExp(this.from, "g"); + } catch (e) { + node.error(e.message); + } + if (typeof msg[node.property] === "string") { + msg[node.property] = (msg[node.property]).replace(node.re, node.to); + } + } + //else if (node.action == "replace") { + //if (node.to.indexOf("msg.") == 0) { + //msg[node.property] = eval(node.to); + //} + //else { + //msg[node.property] = node.to; + //} + //} + else if (node.action == "replace") { + if (node.to.indexOf("msg.") === 0) { + makeNew( msg, node.property.split("."), eval(node.to) ); + } + else { + makeNew( msg, node.property.split("."), node.to ); + } + //makeNew( msg, node.property.split("."), node.to ); + } + else if (node.action == "delete") { + delete(msg[node.property]); + } + node.send(msg); + }); + } + RED.nodes.registerType("change", ChangeNode); +}