Replaced YQL data source with CSV

[marketstoday] / src / qml / Library / js / CSVUtility.js

diff --git a/src/qml/Library/js/CSVUtility.js b/src/qml/Library/js/CSVUtility.js
new file mode 100644 (file)
index 0000000..93f7116
--- /dev/null
+++ b/src/qml/Library/js/CSVUtility.js
@@ -0,0 +1,86 @@
+//Source: http://www.bennadel.com/blog/1504-Ask-Ben-Parsing-CSV-Strings-With-Javascript-Exec-Regular-Expression-Command.htm
+// This will parse a delimited string into an array of
+// arrays. The default delimiter is the comma, but this
+// can be overriden in the second argument.
+function csvToArray( strData, strDelimiter ){
+    // Check to see if the delimiter is defined. If not,
+    // then default to comma.
+    strDelimiter = (strDelimiter || ",");
+
+    // Create a regular expression to parse the CSV values.
+    var objPattern = new RegExp(
+        (
+            // Delimiters.
+            "(\\" + strDelimiter + "|\\r?\\n|\\r|^)" +
+
+            // Quoted fields.
+            "(?:\"([^\"]*(?:\"\"[^\"]*)*)\"|" +
+
+            // Standard fields.
+            "([^\"\\" + strDelimiter + "\\r\\n]*))"
+        ),
+        "gi"
+        );
+
+
+    // Create an array to hold our data. Give the array
+    // a default empty first row.
+    var arrData = [[]];
+
+    // Create an array to hold our individual pattern
+    // matching groups.
+    var arrMatches = null;
+
+
+    // Keep looping over the regular expression matches
+    // until we can no longer find a match.
+    while (arrMatches = objPattern.exec( strData )){
+
+        // Get the delimiter that was found.
+        var strMatchedDelimiter = arrMatches[ 1 ];
+
+        // Check to see if the given delimiter has a length
+        // (is not the start of string) and if it matches
+        // field delimiter. If id does not, then we know
+        // that this delimiter is a row delimiter.
+        if (
+            strMatchedDelimiter.length &&
+            (strMatchedDelimiter !== strDelimiter)
+            ){
+
+            // Since we have reached a new row of data,
+            // add an empty row to our data array.
+            arrData.push( [] );
+
+        }
+
+
+        // Now that we have our delimiter out of the way,
+        // let's check to see which kind of value we
+        // captured (quoted or unquoted).
+        var strMatchedValue;
+        if (arrMatches[ 2 ]){
+
+            // We found a quoted value. When we capture
+            // this value, unescape any double quotes.
+            strMatchedValue = arrMatches[ 2 ].replace(
+                new RegExp( "\"\"", "g" ),
+                "\""
+                );
+
+        } else {
+
+            // We found a non-quoted value.
+            strMatchedValue = arrMatches[ 3 ];
+
+        }
+
+
+        // Now that we have our value string, let's add
+        // it to the data array.
+        arrData[ arrData.length - 1 ].push( strMatchedValue );
+    }
+
+    // Return the parsed data.
+    return( arrData );
+}