Data commit

Task/Strip-block-comments/Nim/strip-block-comments.nim

@@ -0,0 +1,47 @@
+import strutils
+
+proc commentStripper(txt: string; delim: tuple[l, r: string] = ("/*", "*/")): string =
+  let i = txt.find(delim.l)
+  if i < 0: return txt
+
+  result = if i > 0: txt[0 ..< i] else: ""
+  let tmp = commentStripper(txt[i+delim.l.len .. txt.high], delim)
+  let j = tmp.find(delim.r)
+  assert j >= 0
+  result &= tmp[j+delim.r.len .. tmp.high]
+
+echo "NON-NESTED BLOCK COMMENT EXAMPLE:"
+echo commentStripper("""/**
+   * Some comments
+   * longer comments here that we can parse.
+   *
+   * Rahoo
+   */
+   function subroutine() {
+    a = /* inline comment */ b + c ;
+   }
+   /*/ <-- tricky comments */
+
+   /**
+    * Another comment.
+    */
+    function something() {
+    }""")
+
+echo "\nNESTED BLOCK COMMENT EXAMPLE:"
+echo commentStripper("""  /**
+   * Some comments
+   * longer comments here that we can parse.
+   *
+   * Rahoo
+   *//*
+   function subroutine() {
+    a = /* inline comment */ b + c ;
+   }
+   /*/ <-- tricky comments */
+   */
+   /**
+    * Another comment.
+    */
+    function something() {
+    }""")