Add support for RFC 3986 compliant URL schemes. #46.

Reference: https://tools.ietf.org/html/rfc3986#section-3.1

Author: jeremykendall

src/Pdp/Parser.php

@@ -19,7 +19,7 @@
  */
 class Parser
 {
-    const SCHEME_PATTERN = '#^(http|ftp)s?://#i';
+    const SCHEME_PATTERN = '#^([a-zA-Z][a-zA-Z0-9+\-.]*)://#';
     const IP_ADDRESS_PATTERN = '/^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/';
 
     /**

src/pdp-parse-url.php

@@ -24,10 +24,13 @@
          */
         function pdp_parse_url($url, $component = -1)
         {
+            $pattern = '%([a-zA-Z][a-zA-Z0-9+\-.]*)?(:?//)?([^:/@?&=#\[\]]+)%usD';
+
             $enc_url = preg_replace_callback(
-                '%[^:/@?&=#\[\]]+%usD',
+                $pattern,
                 function ($matches) {
-                    return urlencode($matches[0]);
+                    $encoded = urlencode($matches[3]);
+                    return sprintf('%s%s%s', $matches[1], $matches[2], $encoded);
                 },
                     $url
                 );
@@ -40,6 +43,10 @@ function ($matches) {
 
             if (is_array($parts)) {
                 foreach ($parts as $name => $value) {
+                    if ($name === 'scheme') {
+                        continue;
+                    }
+
                     $parts[$name] = urldecode($value);
                 }
             } else {

tests/src/Pdp/ParserTest.php

@@ -185,6 +185,9 @@ public function parseDataProvider()
             // Test ftp support - https://github.com/jeremykendall/php-domain-parser/issues/18
             array('ftp://www.waxaudio.com.au/audio/albums/the_mashening', 'com.au', 'waxaudio.com.au', 'www', 'www.waxaudio.com.au'),
             array('ftps://test.k12.ak.us', 'k12.ak.us', 'test.k12.ak.us', null, 'test.k12.ak.us'),
+            // Test support for RFC 3986 compliant schemes
+            // https://github.com/jeremykendall/php-domain-parser/issues/46
+            array('fake-scheme+RFC-3986.compliant://example.com', 'com', 'example.com', null, 'example.com'),
             array('http://localhost', null, null, null, 'localhost'),
             array('test.museum', 'museum', 'test.museum', null, 'test.museum'),
             array('bob.smith.name', 'name', 'smith.name', 'bob', 'bob.smith.name'),