[Yaml] fixed parsing of simple inline documents

src/Symfony/Component/Yaml/Parser.php

@@ -80,7 +80,7 @@ class Parser
                 } else {
                     if (isset($values['leadspaces'])
                         && ' ' == $values['leadspaces']
-                        && preg_match('#^(?P<key>'.Inline::REGEX_QUOTED_STRING.'|[^ \'"\{].*?) *\:(\s+(?P<value>.+?))?\s*$#u', $values['value'], $matches)
+                        && preg_match('#^(?P<key>'.Inline::REGEX_QUOTED_STRING.'|[^ \'"\{\[].*?) *\:(\s+(?P<value>.+?))?\s*$#u', $values['value'], $matches)
                     ) {
                         // this is a compact notation element, add to next block and parse
                         $c = $this->getRealCurrentLineNb();
@@ -97,7 +97,7 @@ class Parser
                         $data[] = $this->parseValue($values['value']);
                     }
                 }
-            } else if (preg_match('#^(?P<key>'.Inline::REGEX_QUOTED_STRING.'|[^ \'"].*?) *\:(\s+(?P<value>.+?))?\s*$#u', $this->currentLine, $values)) {
+            } else if (preg_match('#^(?P<key>'.Inline::REGEX_QUOTED_STRING.'|[^ \'"\[\{].*?) *\:(\s+(?P<value>.+?))?\s*$#u', $this->currentLine, $values)) {
                 $key = Inline::parseScalar($values['key']);
 
                 if ('<<' === $key) {

tests/Symfony/Tests/Component/Yaml/Fixtures/sfTests.yml

@@ -143,3 +143,17 @@ yaml: |
     0123
 php: |
   array('foo' => "0123\n")
+---
+test: Document as a simple hash
+brief: Document as a simple hash
+yaml: |
+  { foo: bar }
+php: |
+  array('foo' => 'bar')
+---
+test: Document as a simple array
+brief: Document as a simple array
+yaml: |
+  [ foo, bar ]
+php: |
+  array('foo', 'bar')