WIP Refactor splitLine without regex

reader.groovy

@@ -11,11 +11,29 @@ String unescape(String escaped) {
 
 assert unescape('asdf') == 'asdf'
 
+//List<String> splitLine(String line) {
+//    return line.split(/,/)
+//}
+
+
 List<String> splitLine(String line) {
-    return line.split(/,/)
+    List<String> tokens = []
+    String currentToken = ''
+    line.each {
+        if (it == ',') {
+            tokens << currentToken
+            currentToken = ''
+        } else {
+            currentToken += it
+        }
+    }
+    tokens << currentToken
+    return tokens
 }
 
 assert splitLine('a,b,c') == ['a', 'b', 'c']
+assert splitLine('"a","b","c"') == ['a', 'b', 'c']
+assert splitLine('"as""df","qwer""') == ['as"df', 'qwer"']
 
 List<String> lines = new File('data.csv').readLines()
 
@@ -27,9 +45,6 @@ splitLine(lines.remove(0)).each {
 }
 println headers
 
-// TODO get lines
-// TODO split lines into values
-
 List<Map<String, String>> parsedLines = []
 
 lines.each { line ->