Fixed an issue where copying and pasting a cell with multiple line data

will result in multiple rows. Fixes #5526

Fixed an old issue where quotes are not escaped when copying the cells.
As per CSV standards, if the string is in double quotes and there are
double quotes inside the string then they should be escaped with extra double-quotes.

web/regression/javascript/pgadmin_utils_spec.js

@@ -7,7 +7,8 @@
 //
 //////////////////////////////////////////////////////////////
 
-import { getEpoch, getGCD, getMod, quote_ident, parseFuncParams, getRandomInt, sprintf } from 'sources/utils';
+import { getEpoch, getGCD, getMod, quote_ident, parseFuncParams,
+  getRandomInt, sprintf, CSVToArray } from 'sources/utils';
 
 describe('getEpoch', function () {
   it('should return non zero', function () {
@@ -168,3 +169,25 @@ describe('sprintf', function () {
     );
   });
 });
+
+describe('CSVToArray', function() {
+  it('simple input single record', function() {
+    expect(CSVToArray('a,b')).toEqual([['a', 'b']]);
+  });
+
+  it('simple input delimeter change', function() {
+    expect(CSVToArray('"a";"b"', ';')).toEqual([['a', 'b']]);
+  });
+
+  it('simple input multi records', function() {
+    expect(CSVToArray('"a","b"\n"c","d"')).toEqual([['a', 'b'], ['c', 'd']]);
+  });
+
+  it('multiline input containing double quotes', function() {
+    expect(CSVToArray('"hello ""a\nb""","c"')).toEqual([['hello "a\nb"','c']]);
+  });
+
+  it('multiline input containing single quotes', function() {
+    expect(CSVToArray('\'hello \'\'a\nb\'\'\',\'c\'', ',', '\'')).toEqual([['hello \'a\nb\'','c']]);
+  });
+});