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/**
* Copyright 2014 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";
var cheerio = require('cheerio');
function CheerioNode(n) {
RED.nodes.createNode(this,n);
this.tag = n.tag || "h1";
this.ret = n.ret || "html";
this.as = n.as || "single";
var node = this;
this.on("input", function(msg) {
try {
var $ = cheerio.load(msg.payload);
var pay = [];
$(node.tag).each(function() {
if (node.as === "multi") {
var pay2 = null;
if (node.ret === "html") { pay2 = $(this).html(); }
if (node.ret === "text") { pay2 = $(this).text(); }
//if (node.ret === "attr") { pay2 = $(this)[0]["attribs"]; }
//if (node.ret === "val") { pay2 = $(this).val(); }
if (pay2) {
msg.payload = pay2;
node.send(msg);
}
}
if (node.as === "single") {
if (node.ret === "html") { pay.push( $(this).html() ); }
if (node.ret === "text") { pay.push( $(this).text() ); }
//if (node.ret === "attr") { pay.push( $(this)[0]["attribs"] ); }
//if (node.ret === "val") { pay.push( $(this).val() ); }
}
});
if ((node.as === "single") && (pay.length !== 0)) {
msg.payload = pay;
node.send(msg);
}
} catch (error) {
node.log('Error: '+error.message);
}
});
}
RED.nodes.registerType("html",CheerioNode);
}
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