Make it compatible with the snapshot version

Author: francoispluchino

Converter/SemverUtil.php

@@ -44,9 +44,9 @@ public static function replaceAlias($version, $type)
      */
     public static function convertVersionMetadata($version)
     {
-        if (preg_match_all(self::createPattern('([a-z]+|(\-|\+)[a-z]+|(\-|\+)[0-9]+)'),
+        if (preg_match_all(self::createPattern('([a-zA-Z]+|(\-|\+)[a-zA-Z]+|(\-|\+)[0-9]+)'),
             $version, $matches, PREG_OFFSET_CAPTURE)) {
-            list($type, $version, $end) = self::cleanVersion($version, $matches);
+            list($type, $version, $end) = self::cleanVersion(strtolower($version), $matches);
             list($version, $patchVersion) = self::matchVersion($version, $type);
 
             $matches = array();
@@ -131,7 +131,8 @@ protected static function matchVersion($version, $type)
     {
         $patchVersion = true;
 
-        if ('dev' === $type) {
+        if (in_array($type, array('dev', 'snapshot'))) {
+            $type = 'dev';
             $patchVersion = false;
         } elseif ('a' === $type) {
             $type = 'alpha';

Resources/doc/schema.md

@@ -173,6 +173,8 @@ Here are the matches currently validated:
 | 1.2.3-build2012  | 1.2.3-patch2012  |
 | 1.2.3+build.2012 | 1.2.3-patch.2012 |
 | 1.2.3-build.2012 | 1.2.3-patch.2012 |
+| 1.2.3-SNAPSHOT   | 1.2.3-dev        |
+| 1.2.3-snapshot   | 1.2.3-dev        |
 | latest           | default          |
 
 ##### Range verison conversion

Tests/Converter/SemverConverterTest.php

@@ -86,6 +86,7 @@ public function getTestVersions()
             array('1.2.3+build.2012', '1.2.3-patch.2012'),
             array('1.2.3-build.2012', '1.2.3-patch.2012'),
             array('1.3.0–rc30.79', '1.3.0-RC30.79'),
+            array('1.2.3-SNAPSHOT', '1.2.3-dev'),
             array('latest', 'default || *'),
             array(null, '*'),
             array('', '*'),