mirror of
https://github.com/node-red/node-red.git
synced 2023-10-10 13:36:53 +02:00
Fix CSV node to handle headers with quotes and spaces
This is a breaking change so needs thinking about Includes updated tests
This commit is contained in:
Dave Conway-Jones
parent
5b27bcd781
commit
501c78666d
@ -38,16 +38,36 @@ module.exports = function(RED) {
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if (this.hdrout === true) { this.hdrout = "all"; }
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if (this.hdrout === true) { this.hdrout = "all"; }
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var tmpwarn = true;
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var tmpwarn = true;
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var node = this;
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var node = this;
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var re = new RegExp(node.sep.replace(/[-[\]{}()*+!<=:?.\/\\^$|#\s,]/g,'\\$&') + '(?=(?:(?:[^"]*"){2})*[^"]*$)','g');
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// var re = new RegExp(node.sep.replace(/[-[\]{}()*+!<=:?.\/\\^$|#\s,]/g,'\\$&') + '(?=(?:(?:[^"]*"){2})*[^"]*$)','g');
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// pass in an array of column names to be trimmed, de-quoted and retrimmed
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// pass in an array of column names to be trimmed, de-quoted and retrimmed
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var clean = function(col,sep) {
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var clean = function(col,sep) {
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if (sep) { re = new RegExp(sep.replace(/[-[\]{}()*+!<=:?.\/\\^$|#\s,]/g,'\\$&') +'(?=(?:(?:[^"]*"){2})*[^"]*$)','g'); }
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var ff = true; // flag to indicate if inside or outside a pair of quotes true = outside.
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col = col.trim().split(re) || [""];
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var jj = 0; // pointer into array of template items
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col = col.map(x => x.replace(/"/g,'').trim());
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var kk = [""]; // array of data for each of the template items
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if ((col.length === 1) && (col[0] === "")) { node.goodtmpl = false; }
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for (var ii = 0; ii < col.length; ii++) {
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if (col[ii] === node.quo) { // if it's a quote toggle inside or outside
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if (ii === 0 || col[ii-1] === sep) { ff = !ff; }
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else if (col[ii-1] === node.quo) { } // do nothing, "" = " in CSV world
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else if (!ff && kk[jj][0] !== node.quo) { ff = !ff; }
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else { kk[jj] += col[ii]; }
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}
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else if ((col[ii] === sep) && ff) { // if it is the end of the group then finish
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jj += 1;
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ff = true;
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kk[jj] = col.length - 1 === ii ? null : "";
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}
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else if (col[ii] === " " && ff && (ii == 0 | col[ii-1] == sep | col[ii+1] == sep)) {
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// skip
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}
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else {
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kk[jj] += col[ii];
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}
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}
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if ((kk.length === 1) && (kk[0] === "")) { node.goodtmpl = false; }
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else { node.goodtmpl = true; }
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else { node.goodtmpl = true; }
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return col;
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return kk;
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}
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}
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var template = clean(node.template,',');
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var template = clean(node.template,',');
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var notemplate = template.length === 1 && template[0] === '';
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var notemplate = template.length === 1 && template[0] === '';
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@ -61,7 +81,7 @@ module.exports = function(RED) {
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if (typeof msg.payload == "object") { // convert object to CSV string
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if (typeof msg.payload == "object") { // convert object to CSV string
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try {
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try {
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if (!(notemplate && (msg.hasOwnProperty("parts") && msg.parts.hasOwnProperty("index") && msg.parts.index > 0))) {
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if (!(notemplate && (msg.hasOwnProperty("parts") && msg.parts.hasOwnProperty("index") && msg.parts.index > 0))) {
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template = clean(node.template);
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template = clean(node.template,",");
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}
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}
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var ou = "";
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var ou = "";
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if (!Array.isArray(msg.payload)) { msg.payload = [ msg.payload ]; }
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if (!Array.isArray(msg.payload)) { msg.payload = [ msg.payload ]; }
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@ -136,7 +156,10 @@ module.exports = function(RED) {
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}
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}
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else {
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else {
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var tt = template[t];
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var tt = template[t];
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if (template[t].indexOf('"') >=0 ) { tt = "'"+tt+"'"; }
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if (template[t].indexOf('"') >=0 ) {
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tt = tt.replaceAll("'","\\'");
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tt = "'"+tt+"'";
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}
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else { tt = '"'+tt+'"'; }
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else { tt = '"'+tt+'"'; }
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var p = RED.util.getMessageProperty(msg,'payload["'+s+'"]['+tt+']');
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var p = RED.util.getMessageProperty(msg,'payload["'+s+'"]['+tt+']');
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/* istanbul ignore else */
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/* istanbul ignore else */
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@ -199,7 +222,7 @@ module.exports = function(RED) {
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if ((node.hdrin === true) && first) { // if the template is in the first line
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if ((node.hdrin === true) && first) { // if the template is in the first line
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if ((line[i] === "\n")||(line[i] === "\r")||(line.length - i === 1)) { // look for first line break
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if ((line[i] === "\n")||(line[i] === "\r")||(line.length - i === 1)) { // look for first line break
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if (line.length - i === 1) { tmp += line[i]; }
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if (line.length - i === 1) { tmp += line[i]; }
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template = clean(tmp,node.sep);
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template = clean(tmp.trimEnd(),node.sep);
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first = false;
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first = false;
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}
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}
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else { tmp += line[i]; }
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else { tmp += line[i]; }
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@ -138,21 +138,22 @@ describe('CSV node', function() {
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});
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});
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});
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});
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it('should remove quotes and whitespace from template', function(done) {
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// it('should remove quotes and whitespace from template', function(done) {
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var flow = [ { id:"n1", type:"csv", temp:'"a", "b" , " c "," d " ', wires:[["n2"]] },
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// var flow = [ { id:"n1", type:"csv", temp:'"a", "b" , " c "," d " ', wires:[["n2"]] },
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{id:"n2", type:"helper"} ];
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// {id:"n2", type:"helper"} ];
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helper.load(csvNode, flow, function() {
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// helper.load(csvNode, flow, function() {
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var n1 = helper.getNode("n1");
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// var n1 = helper.getNode("n1");
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var n2 = helper.getNode("n2");
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// var n2 = helper.getNode("n2");
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n2.on("input", function(msg) {
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// n2.on("input", function(msg) {
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msg.should.have.property('payload', { a: 1, b: 2, c: 3, d: 4 });
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// console.log("GOT",msg.payload)
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check_parts(msg, 0, 1);
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// msg.should.have.property('payload', { a: 1, b: 2, " c ": 3, " d ": 4 });
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done();
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// check_parts(msg, 0, 1);
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});
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// done();
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var testString = "1,2,3,4"+String.fromCharCode(10);
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// });
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n1.emit("input", {payload:testString});
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// var testString = "1,2,3,4"+String.fromCharCode(10);
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});
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// n1.emit("input", {payload:testString});
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});
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// });
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// });
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it('should create column names if no template provided', function(done) {
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it('should create column names if no template provided', function(done) {
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var flow = [ { id:"n1", type:"csv", temp:'', wires:[["n2"]] },
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var flow = [ { id:"n1", type:"csv", temp:'', wires:[["n2"]] },
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@ -699,7 +700,6 @@ describe('CSV node', function() {
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var n1 = helper.getNode("n1");
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var n1 = helper.getNode("n1");
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var n2 = helper.getNode("n2");
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var n2 = helper.getNode("n2");
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n2.on("input", function(msg) {
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n2.on("input", function(msg) {
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// console.log("GOT",msg)
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try {
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try {
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msg.should.have.property('payload', '4,foo,true,,0,"Hello\nWorld",,,undefined,null,null\n');
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msg.should.have.property('payload', '4,foo,true,,0,"Hello\nWorld",,,undefined,null,null\n');
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done();
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done();
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@ -718,7 +718,6 @@ describe('CSV node', function() {
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var n1 = helper.getNode("n1");
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var n1 = helper.getNode("n1");
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var n2 = helper.getNode("n2");
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var n2 = helper.getNode("n2");
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n2.on("input", function(msg) {
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n2.on("input", function(msg) {
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// console.log("GOT",msg)
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try {
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try {
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msg.should.have.property('payload', '1,foo,"ba""r","di,ng",,undefined,null\n');
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msg.should.have.property('payload', '1,foo,"ba""r","di,ng",,undefined,null\n');
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done();
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done();
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