Data commit

Task/Tokenize-a-string-with-escaping/Ring/tokenize-a-string-with-escaping.ring

@@ -0,0 +1,25 @@
+tokenize("one^|uno||three^^^^|four^^^|^cuatro|", "|", "^")
+
+func tokenize(src, sep, esc)
+field = 1
+escaping = false
+see "" + field + " "
+for i = 1 to len(src)
+    char = substr(src, i, 1)
+    if escaping
+       see char
+       escaping = false
+    else
+       switch char
+              on sep
+                 see nl
+                 field = field + 1
+                 see "" + field + " "
+              on esc
+                 escaping = true
+              other
+                 see char
+       off
+    ok
+next
+see nl