[Yaml] added support for compact inline notation with immediate sub mapping

src/Symfony/Components/Yaml/Parser.php

@@ -83,11 +83,7 @@ class Parser
         }
         else
         {
-          if (preg_match('/^([^ ]+)\: +({.*?)$/', $values['value'], $matches))
-          {
-            $data[] = array($matches[1] => Inline::load($matches[2]));
-          }
-          elseif (isset($values['leadspaces'])
+          if (isset($values['leadspaces'])
             && ' ' == $values['leadspaces']
             && preg_match('#^(?P<key>'.Inline::REGEX_QUOTED_STRING.'|[^ \'"\{].*?) *\:(\s+(?P<value>.+?))?\s*$#', $values['value'], $matches))
           {
@@ -99,7 +95,7 @@ class Parser
             $block = $values['value'];
             if (!$this->isNextLineIndented())
             {
-              $block .= "\n".$this->getNextEmbedBlock();
+              $block .= "\n".$this->getNextEmbedBlock($this->getCurrentLineIndentation() + 2);
             }
 
             $data[] = $parser->parse($block);
@@ -283,17 +279,26 @@ class Parser
   /**
    * Returns the next embed block of YAML.
    *
+   * @param integer $indentation The indent level at which the block is to be read, or null for default
+   *
    * @return string A YAML string
    */
-  protected function getNextEmbedBlock()
+  protected function getNextEmbedBlock($indentation = null)
   {
     $this->moveToNextLine();
 
-    $newIndent = $this->getCurrentLineIndentation();
+    if (null === $indentation)
+    {
+      $newIndent = $this->getCurrentLineIndentation();
 
-    if (!$this->isCurrentLineEmpty() && 0 == $newIndent)
+      if (!$this->isCurrentLineEmpty() && 0 == $newIndent)
+      {
+        throw new ParserException(sprintf('Indentation problem at line %d (%s)', $this->getRealCurrentLineNb() + 1, $this->currentLine));
+      }
+    }
+    else
     {
-      throw new ParserException(sprintf('Indentation problem at line %d (%s)', $this->getRealCurrentLineNb() + 1, $this->currentLine));
+      $newIndent = $indentation;
     }
 
     $data = array(substr($this->currentLine, $newIndent));

tests/fixtures/Symfony/Components/Yaml/index.yml

@@ -1,4 +1,5 @@
 - sfComments
+- sfCompact
 - sfTests
 - sfObjects
 - sfMergeKey

tests/fixtures/Symfony/Components/Yaml/sfCompact.yml

@@ -0,0 +1,159 @@
+--- %YAML:1.0
+test: Compact notation
+brief: |
+    Compact notation for sets of mappings with single element
+yaml: | 
+  ---
+  # products purchased
+  - item    : Super Hoop
+  - item    : Basketball
+    quantity: 1
+  - item: 
+      name: Big Shoes
+      nick: Biggies
+    quantity: 1
+php: | 
+  array (
+    array (
+      'item' => 'Super Hoop',
+    ),
+    array (
+      'item' => 'Basketball',
+      'quantity' => 1,
+    ),
+    array (
+      'item' => array(
+        'name' => 'Big Shoes',
+        'nick' => 'Biggies'
+      ),
+      'quantity' => 1
+    )
+  )
+---
+test: Compact notation combined with inline notation
+brief: |
+    Combinations of compact and inline notation are allowed
+yaml: |
+  ---
+  items:
+    - { item: Super Hoop, quantity: 1 }
+    - [ Basketball, Big Shoes ]
+php: |
+  array (
+    'items' => array (
+      array (
+        'item' => 'Super Hoop',
+        'quantity' => 1,
+      ),
+      array (
+        'Basketball',
+        'Big Shoes'
+      )
+    )
+  )
+--- %YAML:1.0
+test: Compact notation
+brief: |
+    Compact notation for sets of mappings with single element
+yaml: | 
+  ---
+  # products purchased
+  - item    : Super Hoop
+  - item    : Basketball
+    quantity: 1
+  - item: 
+      name: Big Shoes
+      nick: Biggies
+    quantity: 1
+php: | 
+  array (
+    array (
+      'item' => 'Super Hoop',
+    ),
+    array (
+      'item' => 'Basketball',
+      'quantity' => 1,
+    ),
+    array (
+      'item' => array(
+        'name' => 'Big Shoes',
+        'nick' => 'Biggies'
+      ),
+      'quantity' => 1
+    )
+  )
+---
+test: Compact notation combined with inline notation
+brief: |
+    Combinations of compact and inline notation are allowed
+yaml: |
+  ---
+  items:
+    - { item: Super Hoop, quantity: 1 }
+    - [ Basketball, Big Shoes ]
+php: |
+  array (
+    'items' => array (
+      array (
+        'item' => 'Super Hoop',
+        'quantity' => 1,
+      ),
+      array (
+        'Basketball',
+        'Big Shoes'
+      )
+    )
+  )
+--- %YAML:1.0
+test: Compact notation
+brief: |
+    Compact notation for sets of mappings with single element
+yaml: | 
+  ---
+  # products purchased
+  - item    : Super Hoop
+  - item    : Basketball
+    quantity: 1
+  - item: 
+      name: Big Shoes
+      nick: Biggies
+    quantity: 1
+php: | 
+  array (
+    array (
+      'item' => 'Super Hoop',
+    ),
+    array (
+      'item' => 'Basketball',
+      'quantity' => 1,
+    ),
+    array (
+      'item' => array(
+        'name' => 'Big Shoes',
+        'nick' => 'Biggies'
+      ),
+      'quantity' => 1
+    )
+  )
+---
+test: Compact notation combined with inline notation
+brief: |
+    Combinations of compact and inline notation are allowed
+yaml: |
+  ---
+  items:
+    - { item: Super Hoop, quantity: 1 }
+    - [ Basketball, Big Shoes ]
+php: |
+  array (
+    'items' => array (
+      array (
+        'item' => 'Super Hoop',
+        'quantity' => 1,
+      ),
+      array (
+        'Basketball',
+        'Big Shoes'
+      )
+    )
+  )