From b30df6cb37b69166fe2af9edd913626fc9eb3515 Mon Sep 17 00:00:00 2001
From: "Stephen M. Pallen" <smpallen99@yahoo.com>
Date: Thu, 6 Apr 2017 19:59:31 -0400
Subject: [PATCH] fix double dot issue

---
 lib/auto_linker/parser.ex | 19 +++++++++++++++----
 mix.exs                   |  2 +-
 test/parser_test.exs      |  3 ++-
 3 files changed, 18 insertions(+), 6 deletions(-)

diff --git a/lib/auto_linker/parser.ex b/lib/auto_linker/parser.ex
index 7cef83f..88ecd7a 100644
--- a/lib/auto_linker/parser.ex
+++ b/lib/auto_linker/parser.ex
@@ -16,6 +16,11 @@ defmodule AutoLinker.Parser do
       "Check out <a href='http://google.com' class='auto-linker' target='_blank' rel='noopener noreferrer'>google.com</a>"
   """
 
+  @match_dots ~r/\.\.+/
+
+  @match_url ~r{^[\w.-]+(?:\.[\w\.-]+)+[\w\-\._~:/?#[\]@!\$&'\(\)\*\+,;=.]+$}
+  @match_scheme ~r{^(?:http(s)?:\/\/)?[\w.-]+(?:\.[\w\.-]+)+[\w\-\._~:/?#[\]@!\$&'\(\)\*\+,;=.]+$}
+
   def parse(text, opts \\ %{})
   def parse(text, list) when is_list(list), do: parse(text, Enum.into(list, %{}))
 
@@ -79,12 +84,18 @@ defmodule AutoLinker.Parser do
 
   @doc false
   def is_url?(buffer, true) do
-    re = ~r{^(?:http(s)?:\/\/)?[\w.-]+(?:\.[\w\.-]+)+[\w\-\._~:/?#[\]@!\$&'\(\)\*\+,;=.]+$}
-    Regex.match? re, buffer
+    if Regex.match? @match_dots, buffer do
+      false
+    else
+      Regex.match? @match_scheme, buffer
+    end
   end
   def is_url?(buffer, _) do
-    re = ~r{^[\w.-]+(?:\.[\w\.-]+)+[\w\-\._~:/?#[\]@!\$&'\(\)\*\+,;=.]+$}
-    Regex.match? re, buffer
+    if Regex.match? @match_dots, buffer do
+      false
+    else
+      Regex.match? @match_url, buffer
+    end
   end
 
   @doc false
diff --git a/mix.exs b/mix.exs
index 3a3bbeb..5954486 100644
--- a/mix.exs
+++ b/mix.exs
@@ -1,7 +1,7 @@
 defmodule AutoLinker.Mixfile do
   use Mix.Project
 
-  @version "0.1.0"
+  @version "0.1.1"
 
   def project do
     [
diff --git a/test/parser_test.exs b/test/parser_test.exs
index 3553ddb..5c43a10 100644
--- a/test/parser_test.exs
+++ b/test/parser_test.exs
@@ -86,7 +86,8 @@ defmodule AutoLinker.ParserTest do
 
   def invalid_non_scheme_urls, do: [
     "invalid.com/perl.cgi?key= | web-site.com/cgi-bin/perl.cgi?key1=value1&key2",
-    "invalid."
+    "invalid.",
+    "hi..there"
   ]
 
 end