litefeel / writing-on-github

Spyc.php

Indentation +853 added lines, -853 removed lines

@@ -1,14 +1,14 @@ 
 <?php
 /**
-   * Spyc -- A Simple PHP YAML Class
-   * @version 0.5.1
-   * @author Vlad Andersen <vlad.andersen@gmail.com>
-   * @author Chris Wanstrath <chris@ozmm.org>
-   * @link https://github.com/mustangostang/spyc/
-   * @copyright Copyright 2005-2006 Chris Wanstrath, 2006-2011 Vlad Andersen
-   * @license http://www.opensource.org/licenses/mit-license.php MIT License
-   * @package Spyc
-   */
+ * Spyc -- A Simple PHP YAML Class
+ * @version 0.5.1
+ * @author Vlad Andersen <vlad.andersen@gmail.com>
+ * @author Chris Wanstrath <chris@ozmm.org>
+ * @link https://github.com/mustangostang/spyc/
+ * @copyright Copyright 2005-2006 Chris Wanstrath, 2006-2011 Vlad Andersen
+ * @license http://www.opensource.org/licenses/mit-license.php MIT License
+ * @package Spyc
+ */
 
 if (!function_exists('spyc_load')) {
   /**
@@ -17,7 +17,7 @@ 
    * @return array
    */
   function spyc_load ($string) {
-    return Spyc::YAMLLoadString($string);
+	return Spyc::YAMLLoadString($string);
   }
 }
 
@@ -28,7 +28,7 @@ 
    * @return array
    */
   function spyc_load_file ($file) {
-    return Spyc::YAMLLoad($file);
+	return Spyc::YAMLLoad($file);
   }
 }
 
@@ -39,34 +39,34 @@ 
    * @return string
    */
   function spyc_dump ($data) {
-    return Spyc::YAMLDump($data, false, false, true);
+	return Spyc::YAMLDump($data, false, false, true);
   }
 }
 
 if (!class_exists('Spyc')) {
 
 /**
-   * The Simple PHP YAML Class.
-   *
-   * This class can be used to read a YAML file and convert its contents
-   * into a PHP array.  It currently supports a very limited subsection of
-   * the YAML spec.
-   *
-   * Usage:
-   * <code>
-   *   $Spyc  = new Spyc;
-   *   $array = $Spyc->load($file);
-   * </code>
-   * or:
-   * <code>
-   *   $array = Spyc::YAMLLoad($file);
-   * </code>
-   * or:
-   * <code>
-   *   $array = spyc_load_file($file);
-   * </code>
-   * @package Spyc
-   */
+ * The Simple PHP YAML Class.
+ *
+ * This class can be used to read a YAML file and convert its contents
+ * into a PHP array.  It currently supports a very limited subsection of
+ * the YAML spec.
+ *
+ * Usage:
+ * <code>
+ *   $Spyc  = new Spyc;
+ *   $array = $Spyc->load($file);
+ * </code>
+ * or:
+ * <code>
+ *   $array = Spyc::YAMLLoad($file);
+ * </code>
+ * or:
+ * <code>
+ *   $array = spyc_load_file($file);
+ * </code>
+ * @package Spyc
+ */
 class Spyc {
 
   // SETTINGS
@@ -121,1030 +121,1030 @@ 
  * @return array
  */
   public function load ($input) {
-    return $this->__loadString($input);
+	return $this->__loadString($input);
   }
 
  /**
- * Load a valid YAML file to Spyc.
- * @param string $file
- * @return array
- */
+  * Load a valid YAML file to Spyc.
+  * @param string $file
+  * @return array
+  */
   public function loadFile ($file) {
-    return $this->__load($file);
+	return $this->__load($file);
   }
 
   /**
-     * Load YAML into a PHP array statically
-     *
-     * The load method, when supplied with a YAML stream (string or file),
-     * will do its best to convert YAML in a file into a PHP array.  Pretty
-     * simple.
-     *  Usage:
-     *  <code>
-     *   $array = Spyc::YAMLLoad('lucky.yaml');
-     *   print_r($array);
-     *  </code>
-     * @access public
-     * @return array
-     * @param string $input Path of YAML file or string containing YAML
-     */
+   * Load YAML into a PHP array statically
+   *
+   * The load method, when supplied with a YAML stream (string or file),
+   * will do its best to convert YAML in a file into a PHP array.  Pretty
+   * simple.
+   *  Usage:
+   *  <code>
+   *   $array = Spyc::YAMLLoad('lucky.yaml');
+   *   print_r($array);
+   *  </code>
+   * @access public
+   * @return array
+   * @param string $input Path of YAML file or string containing YAML
+   */
   public static function YAMLLoad($input) {
-    $Spyc = new Spyc;
-    return $Spyc->__load($input);
+	$Spyc = new Spyc;
+	return $Spyc->__load($input);
   }
 
   /**
-     * Load a string of YAML into a PHP array statically
-     *
-     * The load method, when supplied with a YAML string, will do its best
-     * to convert YAML in a string into a PHP array.  Pretty simple.
-     *
-     * Note: use this function if you don't want files from the file system
-     * loaded and processed as YAML.  This is of interest to people concerned
-     * about security whose input is from a string.
-     *
-     *  Usage:
-     *  <code>
-     *   $array = Spyc::YAMLLoadString("---\n0: hello world\n");
-     *   print_r($array);
-     *  </code>
-     * @access public
-     * @return array
-     * @param string $input String containing YAML
-     */
+   * Load a string of YAML into a PHP array statically
+   *
+   * The load method, when supplied with a YAML string, will do its best
+   * to convert YAML in a string into a PHP array.  Pretty simple.
+   *
+   * Note: use this function if you don't want files from the file system
+   * loaded and processed as YAML.  This is of interest to people concerned
+   * about security whose input is from a string.
+   *
+   *  Usage:
+   *  <code>
+   *   $array = Spyc::YAMLLoadString("---\n0: hello world\n");
+   *   print_r($array);
+   *  </code>
+   * @access public
+   * @return array
+   * @param string $input String containing YAML
+   */
   public static function YAMLLoadString($input) {
-    $Spyc = new Spyc;
-    return $Spyc->__loadString($input);
+	$Spyc = new Spyc;
+	return $Spyc->__loadString($input);
   }
 
   /**
-     * Dump YAML from PHP array statically
-     *
-     * The dump method, when supplied with an array, will do its best
-     * to convert the array into friendly YAML.  Pretty simple.  Feel free to
-     * save the returned string as nothing.yaml and pass it around.
-     *
-     * Oh, and you can decide how big the indent is and what the wordwrap
-     * for folding is.  Pretty cool -- just pass in 'false' for either if
-     * you want to use the default.
-     *
-     * Indent's default is 2 spaces, wordwrap's default is 40 characters.  And
-     * you can turn off wordwrap by passing in 0.
-     *
-     * @access public
-     * @return string
-     * @param array $array PHP array
-     * @param int $indent Pass in false to use the default, which is 2
-     * @param int $wordwrap Pass in 0 for no wordwrap, false for default (40)
-     * @param int $no_opening_dashes Do not start YAML file with "---\n"
-     */
+   * Dump YAML from PHP array statically
+   *
+   * The dump method, when supplied with an array, will do its best
+   * to convert the array into friendly YAML.  Pretty simple.  Feel free to
+   * save the returned string as nothing.yaml and pass it around.
+   *
+   * Oh, and you can decide how big the indent is and what the wordwrap
+   * for folding is.  Pretty cool -- just pass in 'false' for either if
+   * you want to use the default.
+   *
+   * Indent's default is 2 spaces, wordwrap's default is 40 characters.  And
+   * you can turn off wordwrap by passing in 0.
+   *
+   * @access public
+   * @return string
+   * @param array $array PHP array
+   * @param int $indent Pass in false to use the default, which is 2
+   * @param int $wordwrap Pass in 0 for no wordwrap, false for default (40)
+   * @param int $no_opening_dashes Do not start YAML file with "---\n"
+   */
   public static function YAMLDump($array, $indent = false, $wordwrap = false, $no_opening_dashes = false) {
-    $spyc = new Spyc;
-    return $spyc->dump($array, $indent, $wordwrap, $no_opening_dashes);
+	$spyc = new Spyc;
+	return $spyc->dump($array, $indent, $wordwrap, $no_opening_dashes);
   }
 
 
   /**
-     * Dump PHP array to YAML
-     *
-     * The dump method, when supplied with an array, will do its best
-     * to convert the array into friendly YAML.  Pretty simple.  Feel free to
-     * save the returned string as tasteful.yaml and pass it around.
-     *
-     * Oh, and you can decide how big the indent is and what the wordwrap
-     * for folding is.  Pretty cool -- just pass in 'false' for either if
-     * you want to use the default.
-     *
-     * Indent's default is 2 spaces, wordwrap's default is 40 characters.  And
-     * you can turn off wordwrap by passing in 0.
-     *
-     * @access public
-     * @return string
-     * @param array $array PHP array
-     * @param int $indent Pass in false to use the default, which is 2
-     * @param int $wordwrap Pass in 0 for no wordwrap, false for default (40)
-     */
+   * Dump PHP array to YAML
+   *
+   * The dump method, when supplied with an array, will do its best
+   * to convert the array into friendly YAML.  Pretty simple.  Feel free to
+   * save the returned string as tasteful.yaml and pass it around.
+   *
+   * Oh, and you can decide how big the indent is and what the wordwrap
+   * for folding is.  Pretty cool -- just pass in 'false' for either if
+   * you want to use the default.
+   *
+   * Indent's default is 2 spaces, wordwrap's default is 40 characters.  And
+   * you can turn off wordwrap by passing in 0.
+   *
+   * @access public
+   * @return string
+   * @param array $array PHP array
+   * @param int $indent Pass in false to use the default, which is 2
+   * @param int $wordwrap Pass in 0 for no wordwrap, false for default (40)
+   */
   public function dump($array,$indent = false,$wordwrap = false, $no_opening_dashes = false) {
-    // Dumps to some very clean YAML.  We'll have to add some more features
-    // and options soon.  And better support for folding.
-
-    // New features and options.
-    if ($indent === false or !is_numeric($indent)) {
-      $this->_dumpIndent = 2;
-    } else {
-      $this->_dumpIndent = $indent;
-    }
-
-    if ($wordwrap === false or !is_numeric($wordwrap)) {
-      $this->_dumpWordWrap = 40;
-    } else {
-      $this->_dumpWordWrap = $wordwrap;
-    }
-
-    // New YAML document
-    $string = "";
-    if (!$no_opening_dashes) $string = "---\n";
-
-    // Start at the base of the array and move through it.
-    if ($array) {
-      $array = (array)$array;
-      $previous_key = -1;
-      foreach ($array as $key => $value) {
-        if (!isset($first_key)) $first_key = $key;
-        $string .= $this->_yamlize($key,$value,0,$previous_key, $first_key, $array);
-        $previous_key = $key;
-      }
-    }
-    return $string;
+	// Dumps to some very clean YAML.  We'll have to add some more features
+	// and options soon.  And better support for folding.
+
+	// New features and options.
+	if ($indent === false or !is_numeric($indent)) {
+	  $this->_dumpIndent = 2;
+	} else {
+	  $this->_dumpIndent = $indent;
+	}
+
+	if ($wordwrap === false or !is_numeric($wordwrap)) {
+	  $this->_dumpWordWrap = 40;
+	} else {
+	  $this->_dumpWordWrap = $wordwrap;
+	}
+
+	// New YAML document
+	$string = "";
+	if (!$no_opening_dashes) $string = "---\n";
+
+	// Start at the base of the array and move through it.
+	if ($array) {
+	  $array = (array)$array;
+	  $previous_key = -1;
+	  foreach ($array as $key => $value) {
+		if (!isset($first_key)) $first_key = $key;
+		$string .= $this->_yamlize($key,$value,0,$previous_key, $first_key, $array);
+		$previous_key = $key;
+	  }
+	}
+	return $string;
   }
 
   /**
-     * Attempts to convert a key / value array item to YAML
-     * @access private
-     * @return string
-     * @param $key The name of the key
-     * @param $value The value of the item
-     * @param $indent The indent of the current node
-     */
+   * Attempts to convert a key / value array item to YAML
+   * @access private
+   * @return string
+   * @param $key The name of the key
+   * @param $value The value of the item
+   * @param $indent The indent of the current node
+   */
   private function _yamlize($key,$value,$indent, $previous_key = -1, $first_key = 0, $source_array = null) {
-    if(is_object($value)) $value = (array)$value;
-    if (is_array($value)) {
-      if (empty ($value))
-        return $this->_dumpNode($key, array(), $indent, $previous_key, $first_key, $source_array);
-      // It has children.  What to do?
-      // Make it the right kind of item
-      $string = $this->_dumpNode($key, self::REMPTY, $indent, $previous_key, $first_key, $source_array);
-      // Add the indent
-      $indent += $this->_dumpIndent;
-      // Yamlize the array
-      $string .= $this->_yamlizeArray($value,$indent);
-    } elseif (!is_array($value)) {
-      // It doesn't have children.  Yip.
-      $string = $this->_dumpNode($key, $value, $indent, $previous_key, $first_key, $source_array);
-    }
-    return $string;
+	if(is_object($value)) $value = (array)$value;
+	if (is_array($value)) {
+	  if (empty ($value))
+		return $this->_dumpNode($key, array(), $indent, $previous_key, $first_key, $source_array);
+	  // It has children.  What to do?
+	  // Make it the right kind of item
+	  $string = $this->_dumpNode($key, self::REMPTY, $indent, $previous_key, $first_key, $source_array);
+	  // Add the indent
+	  $indent += $this->_dumpIndent;
+	  // Yamlize the array
+	  $string .= $this->_yamlizeArray($value,$indent);
+	} elseif (!is_array($value)) {
+	  // It doesn't have children.  Yip.
+	  $string = $this->_dumpNode($key, $value, $indent, $previous_key, $first_key, $source_array);
+	}
+	return $string;
   }
 
   /**
-     * Attempts to convert an array to YAML
-     * @access private
-     * @return string
-     * @param $array The array you want to convert
-     * @param $indent The indent of the current level
-     */
+   * Attempts to convert an array to YAML
+   * @access private
+   * @return string
+   * @param $array The array you want to convert
+   * @param $indent The indent of the current level
+   */
   private function _yamlizeArray($array,$indent) {
-    if (is_array($array)) {
-      $string = '';
-      $previous_key = -1;
-      foreach ($array as $key => $value) {
-        if (!isset($first_key)) $first_key = $key;
-        $string .= $this->_yamlize($key, $value, $indent, $previous_key, $first_key, $array);
-        $previous_key = $key;
-      }
-      return $string;
-    } else {
-      return false;
-    }
+	if (is_array($array)) {
+	  $string = '';
+	  $previous_key = -1;
+	  foreach ($array as $key => $value) {
+		if (!isset($first_key)) $first_key = $key;
+		$string .= $this->_yamlize($key, $value, $indent, $previous_key, $first_key, $array);
+		$previous_key = $key;
+	  }
+	  return $string;
+	} else {
+	  return false;
+	}
   }
 
   /**
-     * Returns YAML from a key and a value
-     * @access private
-     * @return string
-     * @param $key The name of the key
-     * @param $value The value of the item
-     * @param $indent The indent of the current node
-     */
+   * Returns YAML from a key and a value
+   * @access private
+   * @return string
+   * @param $key The name of the key
+   * @param $value The value of the item
+   * @param $indent The indent of the current node
+   */
   private function _dumpNode($key, $value, $indent, $previous_key = -1, $first_key = 0, $source_array = null) {
-    // do some folding here, for blocks
-    if (is_string ($value) && ((strpos($value,"\n") !== false || strpos($value,": ") !== false || strpos($value,"- ") !== false ||
-      strpos($value,"*") !== false || strpos($value,"#") !== false || strpos($value,"<") !== false || strpos($value,">") !== false || strpos ($value, '%') !== false || strpos ($value, '  ') !== false ||
-      strpos($value,"[") !== false || strpos($value,"]") !== false || strpos($value,"{") !== false || strpos($value,"}") !== false) || strpos($value,"&") !== false || strpos($value, "'") !== false || strpos($value, "!") === 0 ||
-      substr ($value, -1, 1) == ':')
-    ) {
-      $value = $this->_doLiteralBlock($value,$indent);
-    } else {
-      $value  = $this->_doFolding($value,$indent);
-    }
-
-    if ($value === array()) $value = '[ ]';
-    if ($value === "") $value = '""';
-    if (self::isTranslationWord($value)) {
-      $value = $this->_doLiteralBlock($value, $indent);
-    }
-    if (trim ($value) != $value)
-       $value = $this->_doLiteralBlock($value,$indent);
-
-    if (is_bool($value)) {
-       $value = $value ? "true" : "false";
-    }
-
-    if ($value === null) $value = 'null';
-    if ($value === "'" . self::REMPTY . "'") $value = null;
-
-    $spaces = str_repeat(' ',$indent);
-
-    //if (is_int($key) && $key - 1 == $previous_key && $first_key===0) {
-    if (is_array ($source_array) && array_keys($source_array) === range(0, count($source_array) - 1)) {
-      // It's a sequence
-      $string = $spaces.'- '.$value."\n";
-    } else {
-      // if ($first_key===0)  throw new Exception('Keys are all screwy.  The first one was zero, now it\'s "'. $key .'"');
-      // It's mapped
-      if (strpos($key, ":") !== false || strpos($key, "#") !== false) { $key = '"' . $key . '"'; }
-      $string = rtrim ($spaces.$key.': '.$value)."\n";
-    }
-    return $string;
+	// do some folding here, for blocks
+	if (is_string ($value) && ((strpos($value,"\n") !== false || strpos($value,": ") !== false || strpos($value,"- ") !== false ||
+	  strpos($value,"*") !== false || strpos($value,"#") !== false || strpos($value,"<") !== false || strpos($value,">") !== false || strpos ($value, '%') !== false || strpos ($value, '  ') !== false ||
+	  strpos($value,"[") !== false || strpos($value,"]") !== false || strpos($value,"{") !== false || strpos($value,"}") !== false) || strpos($value,"&") !== false || strpos($value, "'") !== false || strpos($value, "!") === 0 ||
+	  substr ($value, -1, 1) == ':')
+	) {
+	  $value = $this->_doLiteralBlock($value,$indent);
+	} else {
+	  $value  = $this->_doFolding($value,$indent);
+	}
+
+	if ($value === array()) $value = '[ ]';
+	if ($value === "") $value = '""';
+	if (self::isTranslationWord($value)) {
+	  $value = $this->_doLiteralBlock($value, $indent);
+	}
+	if (trim ($value) != $value)
+	   $value = $this->_doLiteralBlock($value,$indent);
+
+	if (is_bool($value)) {
+	   $value = $value ? "true" : "false";
+	}
+
+	if ($value === null) $value = 'null';
+	if ($value === "'" . self::REMPTY . "'") $value = null;
+
+	$spaces = str_repeat(' ',$indent);
+
+	//if (is_int($key) && $key - 1 == $previous_key && $first_key===0) {
+	if (is_array ($source_array) && array_keys($source_array) === range(0, count($source_array) - 1)) {
+	  // It's a sequence
+	  $string = $spaces.'- '.$value."\n";
+	} else {
+	  // if ($first_key===0)  throw new Exception('Keys are all screwy.  The first one was zero, now it\'s "'. $key .'"');
+	  // It's mapped
+	  if (strpos($key, ":") !== false || strpos($key, "#") !== false) { $key = '"' . $key . '"'; }
+	  $string = rtrim ($spaces.$key.': '.$value)."\n";
+	}
+	return $string;
   }
 
   /**
-     * Creates a literal block for dumping
-     * @access private
-     * @return string
-     * @param $value
-     * @param $indent int The value of the indent
-     */
+   * Creates a literal block for dumping
+   * @access private
+   * @return string
+   * @param $value
+   * @param $indent int The value of the indent
+   */
   private function _doLiteralBlock($value,$indent) {
-    if ($value === "\n") return '\n';
-    if (strpos($value, "\n") === false && strpos($value, "'") === false) {
-      return sprintf ("'%s'", $value);
-    }
-    if (strpos($value, "\n") === false && strpos($value, '"') === false) {
-      return sprintf ('"%s"', $value);
-    }
-    $exploded = explode("\n",$value);
-    $newValue = '|';
-    if (isset($exploded[0]) && ($exploded[0] == "|" || $exploded[0] == "|-" || $exploded[0] == ">")) {
-        $newValue = $exploded[0];
-        unset($exploded[0]);
-    }
-    $indent += $this->_dumpIndent;
-    $spaces   = str_repeat(' ',$indent);
-    foreach ($exploded as $line) {
-      $line = trim($line);
-      if (strpos($line, '"') === 0 && strrpos($line, '"') == (strlen($line)-1) || strpos($line, "'") === 0 && strrpos($line, "'") == (strlen($line)-1)) {
-        $line = substr($line, 1, -1);
-      }
-      $newValue .= "\n" . $spaces . ($line);
-    }
-    return $newValue;
+	if ($value === "\n") return '\n';
+	if (strpos($value, "\n") === false && strpos($value, "'") === false) {
+	  return sprintf ("'%s'", $value);
+	}
+	if (strpos($value, "\n") === false && strpos($value, '"') === false) {
+	  return sprintf ('"%s"', $value);
+	}
+	$exploded = explode("\n",$value);
+	$newValue = '|';
+	if (isset($exploded[0]) && ($exploded[0] == "|" || $exploded[0] == "|-" || $exploded[0] == ">")) {
+		$newValue = $exploded[0];
+		unset($exploded[0]);
+	}
+	$indent += $this->_dumpIndent;
+	$spaces   = str_repeat(' ',$indent);
+	foreach ($exploded as $line) {
+	  $line = trim($line);
+	  if (strpos($line, '"') === 0 && strrpos($line, '"') == (strlen($line)-1) || strpos($line, "'") === 0 && strrpos($line, "'") == (strlen($line)-1)) {
+		$line = substr($line, 1, -1);
+	  }
+	  $newValue .= "\n" . $spaces . ($line);
+	}
+	return $newValue;
   }
 
   /**
-     * Folds a string of text, if necessary
-     * @access private
-     * @return string
-     * @param $value The string you wish to fold
-     */
+   * Folds a string of text, if necessary
+   * @access private
+   * @return string
+   * @param $value The string you wish to fold
+   */
   private function _doFolding($value,$indent) {
-    // Don't do anything if wordwrap is set to 0
-
-    if ($this->_dumpWordWrap !== 0 && is_string ($value) && strlen($value) > $this->_dumpWordWrap) {
-      $indent += $this->_dumpIndent;
-      $indent = str_repeat(' ',$indent);
-      $wrapped = wordwrap($value,$this->_dumpWordWrap,"\n$indent");
-      $value   = ">\n".$indent.$wrapped;
-    } else {
-      if ($this->setting_dump_force_quotes && is_string ($value) && $value !== self::REMPTY)
-        $value = '"' . $value . '"';
-      if (is_numeric($value) && is_string($value))
-        $value = '"' . $value . '"';
-    }
-
-
-    return $value;
+	// Don't do anything if wordwrap is set to 0
+
+	if ($this->_dumpWordWrap !== 0 && is_string ($value) && strlen($value) > $this->_dumpWordWrap) {
+	  $indent += $this->_dumpIndent;
+	  $indent = str_repeat(' ',$indent);
+	  $wrapped = wordwrap($value,$this->_dumpWordWrap,"\n$indent");
+	  $value   = ">\n".$indent.$wrapped;
+	} else {
+	  if ($this->setting_dump_force_quotes && is_string ($value) && $value !== self::REMPTY)
+		$value = '"' . $value . '"';
+	  if (is_numeric($value) && is_string($value))
+		$value = '"' . $value . '"';
+	}
+
+
+	return $value;
   }
 
   private function isTrueWord($value) {
-    $words = self::getTranslations(array('true', 'on', 'yes', 'y'));
-    return in_array($value, $words, true);
+	$words = self::getTranslations(array('true', 'on', 'yes', 'y'));
+	return in_array($value, $words, true);
   }
 
   private function isFalseWord($value) {
-    $words = self::getTranslations(array('false', 'off', 'no', 'n'));
-    return in_array($value, $words, true);
+	$words = self::getTranslations(array('false', 'off', 'no', 'n'));
+	return in_array($value, $words, true);
   }
 
   private function isNullWord($value) {
-    $words = self::getTranslations(array('null', '~'));
-    return in_array($value, $words, true);
+	$words = self::getTranslations(array('null', '~'));
+	return in_array($value, $words, true);
   }
 
   private function isTranslationWord($value) {
-    return (
-      self::isTrueWord($value)  ||
-      self::isFalseWord($value) ||
-      self::isNullWord($value)
-    );
+	return (
+	  self::isTrueWord($value)  ||
+	  self::isFalseWord($value) ||
+	  self::isNullWord($value)
+	);
   }
 
   /**
-     * Coerce a string into a native type
-     * Reference: http://yaml.org/type/bool.html
-     * TODO: Use only words from the YAML spec.
-     * @access private
-     * @param $value The value to coerce
-     */
+   * Coerce a string into a native type
+   * Reference: http://yaml.org/type/bool.html
+   * TODO: Use only words from the YAML spec.
+   * @access private
+   * @param $value The value to coerce
+   */
   private function coerceValue(&$value) {
-    if (self::isTrueWord($value)) {
-      $value = true;
-    } else if (self::isFalseWord($value)) {
-      $value = false;
-    } else if (self::isNullWord($value)) {
-      $value = null;
-    }
+	if (self::isTrueWord($value)) {
+	  $value = true;
+	} else if (self::isFalseWord($value)) {
+	  $value = false;
+	} else if (self::isNullWord($value)) {
+	  $value = null;
+	}
   }
 
   /**
-     * Given a set of words, perform the appropriate translations on them to
-     * match the YAML 1.1 specification for type coercing.
-     * @param $words The words to translate
-     * @access private
-     */
+   * Given a set of words, perform the appropriate translations on them to
+   * match the YAML 1.1 specification for type coercing.
+   * @param $words The words to translate
+   * @access private
+   */
   private static function getTranslations(array $words) {
-    $result = array();
-    foreach ($words as $i) {
-      $result = array_merge($result, array(ucfirst($i), strtoupper($i), strtolower($i)));
-    }
-    return $result;
+	$result = array();
+	foreach ($words as $i) {
+	  $result = array_merge($result, array(ucfirst($i), strtoupper($i), strtolower($i)));
+	}
+	return $result;
   }
 
 // LOADING FUNCTIONS
 
   private function __load($input) {
-    $Source = $this->loadFromSource($input);
-    return $this->loadWithSource($Source);
+	$Source = $this->loadFromSource($input);
+	return $this->loadWithSource($Source);
   }
 
   private function __loadString($input) {
-    $Source = $this->loadFromString($input);
-    return $this->loadWithSource($Source);
+	$Source = $this->loadFromString($input);
+	return $this->loadWithSource($Source);
   }
 
   private function loadWithSource($Source) {
-    if (empty ($Source)) return array();
-    if ($this->setting_use_syck_is_possible && function_exists ('syck_load')) {
-      $array = syck_load (implode ("\n", $Source));
-      return is_array($array) ? $array : array();
-    }
-
-    $this->path = array();
-    $this->result = array();
-
-    $cnt = count($Source);
-    for ($i = 0; $i < $cnt; $i++) {
-      $line = $Source[$i];
-
-      $this->indent = strlen($line) - strlen(ltrim($line));
-      $tempPath = $this->getParentPathByIndent($this->indent);
-      $line = self::stripIndent($line, $this->indent);
-      if (self::isComment($line)) continue;
-      if (self::isEmpty($line)) continue;
-      $this->path = $tempPath;
-
-      $literalBlockStyle = self::startsLiteralBlock($line);
-      if ($literalBlockStyle) {
-        $line = rtrim ($line, $literalBlockStyle . " \n");
-        $literalBlock = '';
-        $line .= ' '.$this->LiteralPlaceHolder;
-        $literal_block_indent = strlen($Source[$i+1]) - strlen(ltrim($Source[$i+1]));
-        while (++$i < $cnt && $this->literalBlockContinues($Source[$i], $this->indent)) {
-          $literalBlock = $this->addLiteralLine($literalBlock, $Source[$i], $literalBlockStyle, $literal_block_indent);
-        }
-        $i--;
-      }
-
-      // Strip out comments
-      if (strpos ($line, '#')) {
-          $line = preg_replace('/\s*#([^"\']+)$/','',$line);
-      }
-
-      while (++$i < $cnt && self::greedilyNeedNextLine($line)) {
-        $line = rtrim ($line, " \n\t\r") . ' ' . ltrim ($Source[$i], " \t");
-      }
-      $i--;
-
-      $lineArray = $this->_parseLine($line);
-
-      if ($literalBlockStyle)
-        $lineArray = $this->revertLiteralPlaceHolder ($lineArray, $literalBlock);
-
-      $this->addArray($lineArray, $this->indent);
-
-      foreach ($this->delayedPath as $indent => $delayedPath)
-        $this->path[$indent] = $delayedPath;
-
-      $this->delayedPath = array();
-
-    }
-    return $this->result;
+	if (empty ($Source)) return array();
+	if ($this->setting_use_syck_is_possible && function_exists ('syck_load')) {
+	  $array = syck_load (implode ("\n", $Source));
+	  return is_array($array) ? $array : array();
+	}
+
+	$this->path = array();
+	$this->result = array();
+
+	$cnt = count($Source);
+	for ($i = 0; $i < $cnt; $i++) {
+	  $line = $Source[$i];
+
+	  $this->indent = strlen($line) - strlen(ltrim($line));
+	  $tempPath = $this->getParentPathByIndent($this->indent);
+	  $line = self::stripIndent($line, $this->indent);
+	  if (self::isComment($line)) continue;
+	  if (self::isEmpty($line)) continue;
+	  $this->path = $tempPath;
+
+	  $literalBlockStyle = self::startsLiteralBlock($line);
+	  if ($literalBlockStyle) {
+		$line = rtrim ($line, $literalBlockStyle . " \n");
+		$literalBlock = '';
+		$line .= ' '.$this->LiteralPlaceHolder;
+		$literal_block_indent = strlen($Source[$i+1]) - strlen(ltrim($Source[$i+1]));
+		while (++$i < $cnt && $this->literalBlockContinues($Source[$i], $this->indent)) {
+		  $literalBlock = $this->addLiteralLine($literalBlock, $Source[$i], $literalBlockStyle, $literal_block_indent);
+		}
+		$i--;
+	  }
+
+	  // Strip out comments
+	  if (strpos ($line, '#')) {
+		  $line = preg_replace('/\s*#([^"\']+)$/','',$line);
+	  }
+
+	  while (++$i < $cnt && self::greedilyNeedNextLine($line)) {
+		$line = rtrim ($line, " \n\t\r") . ' ' . ltrim ($Source[$i], " \t");
+	  }
+	  $i--;
+
+	  $lineArray = $this->_parseLine($line);
+
+	  if ($literalBlockStyle)
+		$lineArray = $this->revertLiteralPlaceHolder ($lineArray, $literalBlock);
+
+	  $this->addArray($lineArray, $this->indent);
+
+	  foreach ($this->delayedPath as $indent => $delayedPath)
+		$this->path[$indent] = $delayedPath;
+
+	  $this->delayedPath = array();
+
+	}
+	return $this->result;
   }
 
   private function loadFromSource ($input) {
-    if (!empty($input) && strpos($input, "\n") === false && file_exists($input))
-      $input = file_get_contents($input);
+	if (!empty($input) && strpos($input, "\n") === false && file_exists($input))
+	  $input = file_get_contents($input);
 
-    return $this->loadFromString($input);
+	return $this->loadFromString($input);
   }
 
   private function loadFromString ($input) {
-    $lines = explode("\n",$input);
-    foreach ($lines as $k => $_) {
-      $lines[$k] = rtrim ($_, "\r");
-    }
-    return $lines;
+	$lines = explode("\n",$input);
+	foreach ($lines as $k => $_) {
+	  $lines[$k] = rtrim ($_, "\r");
+	}
+	return $lines;
   }
 
   /**
-     * Parses YAML code and returns an array for a node
-     * @access private
-     * @return array
-     * @param string $line A line from the YAML file
-     */
+   * Parses YAML code and returns an array for a node
+   * @access private
+   * @return array
+   * @param string $line A line from the YAML file
+   */
   private function _parseLine($line) {
-    if (!$line) return array();
-    $line = trim($line);
-    if (!$line) return array();
+	if (!$line) return array();
+	$line = trim($line);
+	if (!$line) return array();
 
-    $array = array();
+	$array = array();
 
-    $group = $this->nodeContainsGroup($line);
-    if ($group) {
-      $this->addGroup($line, $group);
-      $line = $this->stripGroup ($line, $group);
-    }
+	$group = $this->nodeContainsGroup($line);
+	if ($group) {
+	  $this->addGroup($line, $group);
+	  $line = $this->stripGroup ($line, $group);
+	}
 
-    if ($this->startsMappedSequence($line))
-      return $this->returnMappedSequence($line);
+	if ($this->startsMappedSequence($line))
+	  return $this->returnMappedSequence($line);
 
-    if ($this->startsMappedValue($line))
-      return $this->returnMappedValue($line);
+	if ($this->startsMappedValue($line))
+	  return $this->returnMappedValue($line);
 
-    if ($this->isArrayElement($line))
-     return $this->returnArrayElement($line);
+	if ($this->isArrayElement($line))
+	 return $this->returnArrayElement($line);
 
-    if ($this->isPlainArray($line))
-     return $this->returnPlainArray($line);
+	if ($this->isPlainArray($line))
+	 return $this->returnPlainArray($line);
 
 
-    return $this->returnKeyValuePair($line);
+	return $this->returnKeyValuePair($line);
 
   }
 
   /**
-     * Finds the type of the passed value, returns the value as the new type.
-     * @access private
-     * @param string $value
-     * @return mixed
-     */
+   * Finds the type of the passed value, returns the value as the new type.
+   * @access private
+   * @param string $value
+   * @return mixed
+   */
   private function _toType($value) {
-    if ($value === '') return "";
-    $first_character = $value[0];
-    $last_character = substr($value, -1, 1);
-
-    $is_quoted = false;
-    do {
-      if (!$value) break;
-      if ($first_character != '"' && $first_character != "'") break;
-      if ($last_character != '"' && $last_character != "'") break;
-      $is_quoted = true;
-    } while (0);
-
-    if ($is_quoted) {
-      $value = str_replace('\n', "\n", $value);
-      if ($first_character == "'")
-        return strtr(substr ($value, 1, -1), array ('\'\'' => '\'', '\\\''=> '\''));
-      return strtr(substr ($value, 1, -1), array ('\\"' => '"', '\\\''=> '\''));
-    }
-
-    if (strpos($value, ' #') !== false && !$is_quoted)
-      $value = preg_replace('/\s+#(.+)$/','',$value);
-
-    if ($first_character == '[' && $last_character == ']') {
-      // Take out strings sequences and mappings
-      $innerValue = trim(substr ($value, 1, -1));
-      if ($innerValue === '') return array();
-      $explode = $this->_inlineEscape($innerValue);
-      // Propagate value array
-      $value  = array();
-      foreach ($explode as $v) {
-        $value[] = $this->_toType($v);
-      }
-      return $value;
-    }
-
-    if (strpos($value,': ')!==false && $first_character != '{') {
-      $array = explode(': ',$value);
-      $key   = trim($array[0]);
-      array_shift($array);
-      $value = trim(implode(': ',$array));
-      $value = $this->_toType($value);
-      return array($key => $value);
-    }
-
-    if ($first_character == '{' && $last_character == '}') {
-      $innerValue = trim(substr ($value, 1, -1));
-      if ($innerValue === '') return array();
-      // Inline Mapping
-      // Take out strings sequences and mappings
-      $explode = $this->_inlineEscape($innerValue);
-      // Propagate value array
-      $array = array();
-      foreach ($explode as $v) {
-        $SubArr = $this->_toType($v);
-        if (empty($SubArr)) continue;
-        if (is_array ($SubArr)) {
-          $array[key($SubArr)] = $SubArr[key($SubArr)]; continue;
-        }
-        $array[] = $SubArr;
-      }
-      return $array;
-    }
-
-    if ($value == 'null' || $value == 'NULL' || $value == 'Null' || $value == '' || $value == '~') {
-      return null;
-    }
-
-    if ( is_numeric($value) && preg_match ('/^(-|)[1-9]+[0-9]*$/', $value) ){
-      $intvalue = (int)$value;
-      if ($intvalue != PHP_INT_MAX && $intvalue != ~PHP_INT_MAX)
-        $value = $intvalue;
-      return $value;
-    }
-
-    if (is_numeric($value) && preg_match('/^0[xX][0-9a-fA-F]+$/', $value)) {
-      // Hexadecimal value.
-      return hexdec($value);
-    }
-
-    $this->coerceValue($value);
-
-    if (is_numeric($value)) {
-      if ($value === '0') return 0;
-      if (rtrim ($value, 0) === $value)
-        $value = (float)$value;
-      return $value;
-    }
-
-    return $value;
+	if ($value === '') return "";
+	$first_character = $value[0];
+	$last_character = substr($value, -1, 1);
+
+	$is_quoted = false;
+	do {
+	  if (!$value) break;
+	  if ($first_character != '"' && $first_character != "'") break;
+	  if ($last_character != '"' && $last_character != "'") break;
+	  $is_quoted = true;
+	} while (0);
+
+	if ($is_quoted) {
+	  $value = str_replace('\n', "\n", $value);
+	  if ($first_character == "'")
+		return strtr(substr ($value, 1, -1), array ('\'\'' => '\'', '\\\''=> '\''));
+	  return strtr(substr ($value, 1, -1), array ('\\"' => '"', '\\\''=> '\''));
+	}
+
+	if (strpos($value, ' #') !== false && !$is_quoted)
+	  $value = preg_replace('/\s+#(.+)$/','',$value);
+
+	if ($first_character == '[' && $last_character == ']') {
+	  // Take out strings sequences and mappings
+	  $innerValue = trim(substr ($value, 1, -1));
+	  if ($innerValue === '') return array();
+	  $explode = $this->_inlineEscape($innerValue);
+	  // Propagate value array
+	  $value  = array();
+	  foreach ($explode as $v) {
+		$value[] = $this->_toType($v);
+	  }
+	  return $value;
+	}
+
+	if (strpos($value,': ')!==false && $first_character != '{') {
+	  $array = explode(': ',$value);
+	  $key   = trim($array[0]);
+	  array_shift($array);
+	  $value = trim(implode(': ',$array));
+	  $value = $this->_toType($value);
+	  return array($key => $value);
+	}
+
+	if ($first_character == '{' && $last_character == '}') {
+	  $innerValue = trim(substr ($value, 1, -1));
+	  if ($innerValue === '') return array();
+	  // Inline Mapping
+	  // Take out strings sequences and mappings
+	  $explode = $this->_inlineEscape($innerValue);
+	  // Propagate value array
+	  $array = array();
+	  foreach ($explode as $v) {
+		$SubArr = $this->_toType($v);
+		if (empty($SubArr)) continue;
+		if (is_array ($SubArr)) {
+		  $array[key($SubArr)] = $SubArr[key($SubArr)]; continue;
+		}
+		$array[] = $SubArr;
+	  }
+	  return $array;
+	}
+
+	if ($value == 'null' || $value == 'NULL' || $value == 'Null' || $value == '' || $value == '~') {
+	  return null;
+	}
+
+	if ( is_numeric($value) && preg_match ('/^(-|)[1-9]+[0-9]*$/', $value) ){
+	  $intvalue = (int)$value;
+	  if ($intvalue != PHP_INT_MAX && $intvalue != ~PHP_INT_MAX)
+		$value = $intvalue;
+	  return $value;
+	}
+
+	if (is_numeric($value) && preg_match('/^0[xX][0-9a-fA-F]+$/', $value)) {
+	  // Hexadecimal value.
+	  return hexdec($value);
+	}
+
+	$this->coerceValue($value);
+
+	if (is_numeric($value)) {
+	  if ($value === '0') return 0;
+	  if (rtrim ($value, 0) === $value)
+		$value = (float)$value;
+	  return $value;
+	}
+
+	return $value;
   }
 
   /**
-     * Used in inlines to check for more inlines or quoted strings
-     * @access private
-     * @return array
-     */
+   * Used in inlines to check for more inlines or quoted strings
+   * @access private
+   * @return array
+   */
   private function _inlineEscape($inline) {
-    // There's gotta be a cleaner way to do this...
-    // While pure sequences seem to be nesting just fine,
-    // pure mappings and mappings with sequences inside can't go very
-    // deep.  This needs to be fixed.
-
-    $seqs = array();
-    $maps = array();
-    $saved_strings = array();
-    $saved_empties = array();
-
-    // Check for empty strings
-    $regex = '/("")|(\'\')/';
-    if (preg_match_all($regex,$inline,$strings)) {
-      $saved_empties = $strings[0];
-      $inline  = preg_replace($regex,'YAMLEmpty',$inline);
-    }
-    unset($regex);
-
-    // Check for strings
-    $regex = '/(?:(")|(?:\'))((?(1)[^"]+|[^\']+))(?(1)"|\')/';
-    if (preg_match_all($regex,$inline,$strings)) {
-      $saved_strings = $strings[0];
-      $inline  = preg_replace($regex,'YAMLString',$inline);
-    }
-    unset($regex);
-
-    // echo $inline;
-
-    $i = 0;
-    do {
-
-    // Check for sequences
-    while (preg_match('/\[([^{}\[\]]+)\]/U',$inline,$matchseqs)) {
-      $seqs[] = $matchseqs[0];
-      $inline = preg_replace('/\[([^{}\[\]]+)\]/U', ('YAMLSeq' . (count($seqs) - 1) . 's'), $inline, 1);
-    }
-
-    // Check for mappings
-    while (preg_match('/{([^\[\]{}]+)}/U',$inline,$matchmaps)) {
-      $maps[] = $matchmaps[0];
-      $inline = preg_replace('/{([^\[\]{}]+)}/U', ('YAMLMap' . (count($maps) - 1) . 's'), $inline, 1);
-    }
-
-    if ($i++ >= 10) break;
-
-    } while (strpos ($inline, '[') !== false || strpos ($inline, '{') !== false);
-
-    $explode = explode(',',$inline);
-    $explode = array_map('trim', $explode);
-    $stringi = 0; $i = 0;
-
-    while (1) {
-
-    // Re-add the sequences
-    if (!empty($seqs)) {
-      foreach ($explode as $key => $value) {
-        if (strpos($value,'YAMLSeq') !== false) {
-          foreach ($seqs as $seqk => $seq) {
-            $explode[$key] = str_replace(('YAMLSeq'.$seqk.'s'),$seq,$value);
-            $value = $explode[$key];
-          }
-        }
-      }
-    }
-
-    // Re-add the mappings
-    if (!empty($maps)) {
-      foreach ($explode as $key => $value) {
-        if (strpos($value,'YAMLMap') !== false) {
-          foreach ($maps as $mapk => $map) {
-            $explode[$key] = str_replace(('YAMLMap'.$mapk.'s'), $map, $value);
-            $value = $explode[$key];
-          }
-        }
-      }
-    }
-
-
-    // Re-add the strings
-    if (!empty($saved_strings)) {
-      foreach ($explode as $key => $value) {
-        while (strpos($value,'YAMLString') !== false) {
-          $explode[$key] = preg_replace('/YAMLString/',$saved_strings[$stringi],$value, 1);
-          unset($saved_strings[$stringi]);
-          ++$stringi;
-          $value = $explode[$key];
-        }
-      }
-    }
-
-
-    // Re-add the empties
-    if (!empty($saved_empties)) {
-      foreach ($explode as $key => $value) {
-        while (strpos($value,'YAMLEmpty') !== false) {
-          $explode[$key] = preg_replace('/YAMLEmpty/', '', $value, 1);
-          $value = $explode[$key];
-        }
-      }
-    }
-
-    $finished = true;
-    foreach ($explode as $key => $value) {
-      if (strpos($value,'YAMLSeq') !== false) {
-        $finished = false; break;
-      }
-      if (strpos($value,'YAMLMap') !== false) {
-        $finished = false; break;
-      }
-      if (strpos($value,'YAMLString') !== false) {
-        $finished = false; break;
-      }
-      if (strpos($value,'YAMLEmpty') !== false) {
-        $finished = false; break;
-      }
-    }
-    if ($finished) break;
-
-    $i++;
-    if ($i > 10)
-      break; // Prevent infinite loops.
-    }
-
-
-    return $explode;
+	// There's gotta be a cleaner way to do this...
+	// While pure sequences seem to be nesting just fine,
+	// pure mappings and mappings with sequences inside can't go very
+	// deep.  This needs to be fixed.
+
+	$seqs = array();
+	$maps = array();
+	$saved_strings = array();
+	$saved_empties = array();
+
+	// Check for empty strings
+	$regex = '/("")|(\'\')/';
+	if (preg_match_all($regex,$inline,$strings)) {
+	  $saved_empties = $strings[0];
+	  $inline  = preg_replace($regex,'YAMLEmpty',$inline);
+	}
+	unset($regex);
+
+	// Check for strings
+	$regex = '/(?:(")|(?:\'))((?(1)[^"]+|[^\']+))(?(1)"|\')/';
+	if (preg_match_all($regex,$inline,$strings)) {
+	  $saved_strings = $strings[0];
+	  $inline  = preg_replace($regex,'YAMLString',$inline);
+	}
+	unset($regex);
+
+	// echo $inline;
+
+	$i = 0;
+	do {
+
+	// Check for sequences
+	while (preg_match('/\[([^{}\[\]]+)\]/U',$inline,$matchseqs)) {
+	  $seqs[] = $matchseqs[0];
+	  $inline = preg_replace('/\[([^{}\[\]]+)\]/U', ('YAMLSeq' . (count($seqs) - 1) . 's'), $inline, 1);
+	}
+
+	// Check for mappings
+	while (preg_match('/{([^\[\]{}]+)}/U',$inline,$matchmaps)) {
+	  $maps[] = $matchmaps[0];
+	  $inline = preg_replace('/{([^\[\]{}]+)}/U', ('YAMLMap' . (count($maps) - 1) . 's'), $inline, 1);
+	}
+
+	if ($i++ >= 10) break;
+
+	} while (strpos ($inline, '[') !== false || strpos ($inline, '{') !== false);
+
+	$explode = explode(',',$inline);
+	$explode = array_map('trim', $explode);
+	$stringi = 0; $i = 0;
+
+	while (1) {
+
+	// Re-add the sequences
+	if (!empty($seqs)) {
+	  foreach ($explode as $key => $value) {
+		if (strpos($value,'YAMLSeq') !== false) {
+		  foreach ($seqs as $seqk => $seq) {
+			$explode[$key] = str_replace(('YAMLSeq'.$seqk.'s'),$seq,$value);
+			$value = $explode[$key];
+		  }
+		}
+	  }
+	}
+
+	// Re-add the mappings
+	if (!empty($maps)) {
+	  foreach ($explode as $key => $value) {
+		if (strpos($value,'YAMLMap') !== false) {
+		  foreach ($maps as $mapk => $map) {
+			$explode[$key] = str_replace(('YAMLMap'.$mapk.'s'), $map, $value);
+			$value = $explode[$key];
+		  }
+		}
+	  }
+	}
+
+
+	// Re-add the strings
+	if (!empty($saved_strings)) {
+	  foreach ($explode as $key => $value) {
+		while (strpos($value,'YAMLString') !== false) {
+		  $explode[$key] = preg_replace('/YAMLString/',$saved_strings[$stringi],$value, 1);
+		  unset($saved_strings[$stringi]);
+		  ++$stringi;
+		  $value = $explode[$key];
+		}
+	  }
+	}
+
+
+	// Re-add the empties
+	if (!empty($saved_empties)) {
+	  foreach ($explode as $key => $value) {
+		while (strpos($value,'YAMLEmpty') !== false) {
+		  $explode[$key] = preg_replace('/YAMLEmpty/', '', $value, 1);
+		  $value = $explode[$key];
+		}
+	  }
+	}
+
+	$finished = true;
+	foreach ($explode as $key => $value) {
+	  if (strpos($value,'YAMLSeq') !== false) {
+		$finished = false; break;
+	  }
+	  if (strpos($value,'YAMLMap') !== false) {
+		$finished = false; break;
+	  }
+	  if (strpos($value,'YAMLString') !== false) {
+		$finished = false; break;
+	  }
+	  if (strpos($value,'YAMLEmpty') !== false) {
+		$finished = false; break;
+	  }
+	}
+	if ($finished) break;
+
+	$i++;
+	if ($i > 10)
+	  break; // Prevent infinite loops.
+	}
+
+
+	return $explode;
   }
 
   private function literalBlockContinues ($line, $lineIndent) {
-    if (!trim($line)) return true;
-    if (strlen($line) - strlen(ltrim($line)) > $lineIndent) return true;
-    return false;
+	if (!trim($line)) return true;
+	if (strlen($line) - strlen(ltrim($line)) > $lineIndent) return true;
+	return false;
   }
 
   private function referenceContentsByAlias ($alias) {
-    do {
-      if (!isset($this->SavedGroups[$alias])) { echo "Bad group name: $alias."; break; }
-      $groupPath = $this->SavedGroups[$alias];
-      $value = $this->result;
-      foreach ($groupPath as $k) {
-        $value = $value[$k];
-      }
-    } while (false);
-    return $value;
+	do {
+	  if (!isset($this->SavedGroups[$alias])) { echo "Bad group name: $alias."; break; }
+	  $groupPath = $this->SavedGroups[$alias];
+	  $value = $this->result;
+	  foreach ($groupPath as $k) {
+		$value = $value[$k];
+	  }
+	} while (false);
+	return $value;
   }
 
   private function addArrayInline ($array, $indent) {
-      $CommonGroupPath = $this->path;
-      if (empty ($array)) return false;
-
-      foreach ($array as $k => $_) {
-        $this->addArray(array($k => $_), $indent);
-        $this->path = $CommonGroupPath;
-      }
-      return true;
+	  $CommonGroupPath = $this->path;
+	  if (empty ($array)) return false;
+
+	  foreach ($array as $k => $_) {
+		$this->addArray(array($k => $_), $indent);
+		$this->path = $CommonGroupPath;
+	  }
+	  return true;
   }
 
   private function addArray ($incoming_data, $incoming_indent) {
 
    // print_r ($incoming_data);
 
-    if (count ($incoming_data) > 1)
-      return $this->addArrayInline ($incoming_data, $incoming_indent);
-
-    $key = key ($incoming_data);
-    $value = isset($incoming_data[$key]) ? $incoming_data[$key] : null;
-    if ($key === '__!YAMLZero') $key = '0';
-
-    if ($incoming_indent == 0 && !$this->_containsGroupAlias && !$this->_containsGroupAnchor) { // Shortcut for root-level values.
-      if ($key || $key === '' || $key === '0') {
-        $this->result[$key] = $value;
-      } else {
-        $this->result[] = $value; end ($this->result); $key = key ($this->result);
-      }
-      $this->path[$incoming_indent] = $key;
-      return;
-    }
-
-
-
-    $history = array();
-    // Unfolding inner array tree.
-    $history[] = $_arr = $this->result;
-    foreach ($this->path as $k) {
-      $history[] = $_arr = $_arr[$k];
-    }
-
-    if ($this->_containsGroupAlias) {
-      $value = $this->referenceContentsByAlias($this->_containsGroupAlias);
-      $this->_containsGroupAlias = false;
-    }
-
-
-    // Adding string or numeric key to the innermost level or $this->arr.
-    if (is_string($key) && $key == '<<') {
-      if (!is_array ($_arr)) { $_arr = array (); }
-
-      $_arr = array_merge ($_arr, $value);
-    } else if ($key || $key === '' || $key === '0') {
-      if (!is_array ($_arr))
-        $_arr = array ($key=>$value);
-      else
-        $_arr[$key] = $value;
-    } else {
-      if (!is_array ($_arr)) { $_arr = array ($value); $key = 0; }
-      else { $_arr[] = $value; end ($_arr); $key = key ($_arr); }
-    }
-
-    $reverse_path = array_reverse($this->path);
-    $reverse_history = array_reverse ($history);
-    $reverse_history[0] = $_arr;
-    $cnt = count($reverse_history) - 1;
-    for ($i = 0; $i < $cnt; $i++) {
-      $reverse_history[$i+1][$reverse_path[$i]] = $reverse_history[$i];
-    }
-    $this->result = $reverse_history[$cnt];
-
-    $this->path[$incoming_indent] = $key;
-
-    if ($this->_containsGroupAnchor) {
-      $this->SavedGroups[$this->_containsGroupAnchor] = $this->path;
-      if (is_array ($value)) {
-        $k = key ($value);
-        if (!is_int ($k)) {
-          $this->SavedGroups[$this->_containsGroupAnchor][$incoming_indent + 2] = $k;
-        }
-      }
-      $this->_containsGroupAnchor = false;
-    }
+	if (count ($incoming_data) > 1)
+	  return $this->addArrayInline ($incoming_data, $incoming_indent);
+
+	$key = key ($incoming_data);
+	$value = isset($incoming_data[$key]) ? $incoming_data[$key] : null;
+	if ($key === '__!YAMLZero') $key = '0';
+
+	if ($incoming_indent == 0 && !$this->_containsGroupAlias && !$this->_containsGroupAnchor) { // Shortcut for root-level values.
+	  if ($key || $key === '' || $key === '0') {
+		$this->result[$key] = $value;
+	  } else {
+		$this->result[] = $value; end ($this->result); $key = key ($this->result);
+	  }
+	  $this->path[$incoming_indent] = $key;
+	  return;
+	}
+
+
+
+	$history = array();
+	// Unfolding inner array tree.
+	$history[] = $_arr = $this->result;
+	foreach ($this->path as $k) {
+	  $history[] = $_arr = $_arr[$k];
+	}
+
+	if ($this->_containsGroupAlias) {
+	  $value = $this->referenceContentsByAlias($this->_containsGroupAlias);
+	  $this->_containsGroupAlias = false;
+	}
+
+
+	// Adding string or numeric key to the innermost level or $this->arr.
+	if (is_string($key) && $key == '<<') {
+	  if (!is_array ($_arr)) { $_arr = array (); }
+
+	  $_arr = array_merge ($_arr, $value);
+	} else if ($key || $key === '' || $key === '0') {
+	  if (!is_array ($_arr))
+		$_arr = array ($key=>$value);
+	  else
+		$_arr[$key] = $value;
+	} else {
+	  if (!is_array ($_arr)) { $_arr = array ($value); $key = 0; }
+	  else { $_arr[] = $value; end ($_arr); $key = key ($_arr); }
+	}
+
+	$reverse_path = array_reverse($this->path);
+	$reverse_history = array_reverse ($history);
+	$reverse_history[0] = $_arr;
+	$cnt = count($reverse_history) - 1;
+	for ($i = 0; $i < $cnt; $i++) {
+	  $reverse_history[$i+1][$reverse_path[$i]] = $reverse_history[$i];
+	}
+	$this->result = $reverse_history[$cnt];
+
+	$this->path[$incoming_indent] = $key;
+
+	if ($this->_containsGroupAnchor) {
+	  $this->SavedGroups[$this->_containsGroupAnchor] = $this->path;
+	  if (is_array ($value)) {
+		$k = key ($value);
+		if (!is_int ($k)) {
+		  $this->SavedGroups[$this->_containsGroupAnchor][$incoming_indent + 2] = $k;
+		}
+	  }
+	  $this->_containsGroupAnchor = false;
+	}
 
   }
 
   private static function startsLiteralBlock ($line) {
-    $lastChar = substr (trim($line), -1);
-    if ($lastChar != '>' && $lastChar != '|') return false;
-    if ($lastChar == '|') return $lastChar;
-    // HTML tags should not be counted as literal blocks.
-    if (preg_match ('#<.*?>$#', $line)) return false;
-    return $lastChar;
+	$lastChar = substr (trim($line), -1);
+	if ($lastChar != '>' && $lastChar != '|') return false;
+	if ($lastChar == '|') return $lastChar;
+	// HTML tags should not be counted as literal blocks.
+	if (preg_match ('#<.*?>$#', $line)) return false;
+	return $lastChar;
   }
 
   private static function greedilyNeedNextLine($line) {
-    $line = trim ($line);
-    if (!strlen($line)) return false;
-    if (substr ($line, -1, 1) == ']') return false;
-    if ($line[0] == '[') return true;
-    if (preg_match ('#^[^:]+?:\s*\[#', $line)) return true;
-    return false;
+	$line = trim ($line);
+	if (!strlen($line)) return false;
+	if (substr ($line, -1, 1) == ']') return false;
+	if ($line[0] == '[') return true;
+	if (preg_match ('#^[^:]+?:\s*\[#', $line)) return true;
+	return false;
   }
 
   private function addLiteralLine ($literalBlock, $line, $literalBlockStyle, $indent = -1) {
-    $line = self::stripIndent($line, $indent);
-    if ($literalBlockStyle !== '|') {
-        $line = self::stripIndent($line);
-    }
-    $line = rtrim ($line, "\r\n\t ") . "\n";
-    if ($literalBlockStyle == '|') {
-      return $literalBlock . $line;
-    }
-    if (strlen($line) == 0)
-      return rtrim($literalBlock, ' ') . "\n";
-    if ($line == "\n" && $literalBlockStyle == '>') {
-      return rtrim ($literalBlock, " \t") . "\n";
-    }
-    if ($line != "\n")
-      $line = trim ($line, "\r\n ") . " ";
-    return $literalBlock . $line;
+	$line = self::stripIndent($line, $indent);
+	if ($literalBlockStyle !== '|') {
+		$line = self::stripIndent($line);
+	}
+	$line = rtrim ($line, "\r\n\t ") . "\n";
+	if ($literalBlockStyle == '|') {
+	  return $literalBlock . $line;
+	}
+	if (strlen($line) == 0)
+	  return rtrim($literalBlock, ' ') . "\n";
+	if ($line == "\n" && $literalBlockStyle == '>') {
+	  return rtrim ($literalBlock, " \t") . "\n";
+	}
+	if ($line != "\n")
+	  $line = trim ($line, "\r\n ") . " ";
+	return $literalBlock . $line;
   }
 
    function revertLiteralPlaceHolder ($lineArray, $literalBlock) {
-     foreach ($lineArray as $k => $_) {
-      if (is_array($_))
-        $lineArray[$k] = $this->revertLiteralPlaceHolder ($_, $literalBlock);
-      else if (substr($_, -1 * strlen ($this->LiteralPlaceHolder)) == $this->LiteralPlaceHolder)
-	       $lineArray[$k] = rtrim ($literalBlock, " \r\n");
-     }
-     return $lineArray;
+	 foreach ($lineArray as $k => $_) {
+	  if (is_array($_))
+		$lineArray[$k] = $this->revertLiteralPlaceHolder ($_, $literalBlock);
+	  else if (substr($_, -1 * strlen ($this->LiteralPlaceHolder)) == $this->LiteralPlaceHolder)
+		   $lineArray[$k] = rtrim ($literalBlock, " \r\n");
+	 }
+	 return $lineArray;
    }
 
   private static function stripIndent ($line, $indent = -1) {
-    if ($indent == -1) $indent = strlen($line) - strlen(ltrim($line));
-    return substr ($line, $indent);
+	if ($indent == -1) $indent = strlen($line) - strlen(ltrim($line));
+	return substr ($line, $indent);
   }
 
   private function getParentPathByIndent ($indent) {
-    if ($indent == 0) return array();
-    $linePath = $this->path;
-    do {
-      end($linePath); $lastIndentInParentPath = key($linePath);
-      if ($indent <= $lastIndentInParentPath) array_pop ($linePath);
-    } while ($indent <= $lastIndentInParentPath);
-    return $linePath;
+	if ($indent == 0) return array();
+	$linePath = $this->path;
+	do {
+	  end($linePath); $lastIndentInParentPath = key($linePath);
+	  if ($indent <= $lastIndentInParentPath) array_pop ($linePath);
+	} while ($indent <= $lastIndentInParentPath);
+	return $linePath;
   }
 
 
   private function clearBiggerPathValues ($indent) {
 
 
-    if ($indent == 0) $this->path = array();
-    if (empty ($this->path)) return true;
+	if ($indent == 0) $this->path = array();
+	if (empty ($this->path)) return true;
 
-    foreach ($this->path as $k => $_) {
-      if ($k > $indent) unset ($this->path[$k]);
-    }
+	foreach ($this->path as $k => $_) {
+	  if ($k > $indent) unset ($this->path[$k]);
+	}
 
-    return true;
+	return true;
   }
 
 
   private static function isComment ($line) {
-    if (!$line) return false;
-    if ($line[0] == '#') return true;
-    if (trim($line, " \r\n\t") == '---') return true;
-    return false;
+	if (!$line) return false;
+	if ($line[0] == '#') return true;
+	if (trim($line, " \r\n\t") == '---') return true;
+	return false;
   }
 
   private static function isEmpty ($line) {
-    return (trim ($line) === '');
+	return (trim ($line) === '');
   }
 
 
   private function isArrayElement ($line) {
-    if (!$line || !is_scalar($line)) return false;
-    if (substr($line, 0, 2) != '- ') return false;
-    if (strlen ($line) > 3)
-      if (substr($line,0,3) == '---') return false;
+	if (!$line || !is_scalar($line)) return false;
+	if (substr($line, 0, 2) != '- ') return false;
+	if (strlen ($line) > 3)
+	  if (substr($line,0,3) == '---') return false;
 
-    return true;
+	return true;
   }
 
   private function isHashElement ($line) {
-    return strpos($line, ':');
+	return strpos($line, ':');
   }
 
   private function isLiteral ($line) {
-    if ($this->isArrayElement($line)) return false;
-    if ($this->isHashElement($line)) return false;
-    return true;
+	if ($this->isArrayElement($line)) return false;
+	if ($this->isHashElement($line)) return false;
+	return true;
   }
 
 
   private static function unquote ($value) {
-    if (!$value) return $value;
-    if (!is_string($value)) return $value;
-    if ($value[0] == '\'') return trim ($value, '\'');
-    if ($value[0] == '"') return trim ($value, '"');
-    return $value;
+	if (!$value) return $value;
+	if (!is_string($value)) return $value;
+	if ($value[0] == '\'') return trim ($value, '\'');
+	if ($value[0] == '"') return trim ($value, '"');
+	return $value;
   }
 
   private function startsMappedSequence ($line) {
-    return (substr($line, 0, 2) == '- ' && substr ($line, -1, 1) == ':');
+	return (substr($line, 0, 2) == '- ' && substr ($line, -1, 1) == ':');
   }
 
   private function returnMappedSequence ($line) {
-    $array = array();
-    $key         = self::unquote(trim(substr($line,1,-1)));
-    $array[$key] = array();
-    $this->delayedPath = array(strpos ($line, $key) + $this->indent => $key);
-    return array($array);
+	$array = array();
+	$key         = self::unquote(trim(substr($line,1,-1)));
+	$array[$key] = array();
+	$this->delayedPath = array(strpos ($line, $key) + $this->indent => $key);
+	return array($array);
   }
 
   private function checkKeysInValue($value) {
-    if (strchr('[{"\'', $value[0]) === false) {
-      if (strchr($value, ': ') !== false) {
-          throw new Exception('Too many keys: '.$value);
-      }
-    }
+	if (strchr('[{"\'', $value[0]) === false) {
+	  if (strchr($value, ': ') !== false) {
+		  throw new Exception('Too many keys: '.$value);
+	  }
+	}
   }
 
   private function returnMappedValue ($line) {
-    $this->checkKeysInValue($line);
-    $array = array();
-    $key         = self::unquote (trim(substr($line,0,-1)));
-    $array[$key] = '';
-    return $array;
+	$this->checkKeysInValue($line);
+	$array = array();
+	$key         = self::unquote (trim(substr($line,0,-1)));
+	$array[$key] = '';
+	return $array;
   }
 
   private function startsMappedValue ($line) {
-    return (substr ($line, -1, 1) == ':');
+	return (substr ($line, -1, 1) == ':');
   }
 
   private function isPlainArray ($line) {
-    return ($line[0] == '[' && substr ($line, -1, 1) == ']');
+	return ($line[0] == '[' && substr ($line, -1, 1) == ']');
   }
 
   private function returnPlainArray ($line) {
-    return $this->_toType($line);
+	return $this->_toType($line);
   }
 
   private function returnKeyValuePair ($line) {
-    $array = array();
-    $key = '';
-    if (strpos ($line, ': ')) {
-      // It's a key/value pair most likely
-      // If the key is in double quotes pull it out
-      if (($line[0] == '"' || $line[0] == "'") && preg_match('/^(["\'](.*)["\'](\s)*:)/',$line,$matches)) {
-        $value = trim(str_replace($matches[1],'',$line));
-        $key   = $matches[2];
-      } else {
-        // Do some guesswork as to the key and the value
-        $explode = explode(': ', $line);
-        $key     = trim(array_shift($explode));
-        $value   = trim(implode(': ', $explode));
-        $this->checkKeysInValue($value);
-      }
-      // Set the type of the value.  Int, string, etc
-      $value = $this->_toType($value);
-      if ($key === '0') $key = '__!YAMLZero';
-      $array[$key] = $value;
-    } else {
-      $array = array ($line);
-    }
-    return $array;
+	$array = array();
+	$key = '';
+	if (strpos ($line, ': ')) {
+	  // It's a key/value pair most likely
+	  // If the key is in double quotes pull it out
+	  if (($line[0] == '"' || $line[0] == "'") && preg_match('/^(["\'](.*)["\'](\s)*:)/',$line,$matches)) {
+		$value = trim(str_replace($matches[1],'',$line));
+		$key   = $matches[2];
+	  } else {
+		// Do some guesswork as to the key and the value
+		$explode = explode(': ', $line);
+		$key     = trim(array_shift($explode));
+		$value   = trim(implode(': ', $explode));
+		$this->checkKeysInValue($value);
+	  }
+	  // Set the type of the value.  Int, string, etc
+	  $value = $this->_toType($value);
+	  if ($key === '0') $key = '__!YAMLZero';
+	  $array[$key] = $value;
+	} else {
+	  $array = array ($line);
+	}
+	return $array;
 
   }
 
 
   private function returnArrayElement ($line) {
-     if (strlen($line) <= 1) return array(array()); // Weird %)
-     $array = array();
-     $value   = trim(substr($line,1));
-     $value   = $this->_toType($value);
-     if ($this->isArrayElement($value)) {
-       $value = $this->returnArrayElement($value);
-     }
-     $array[] = $value;
-     return $array;
+	 if (strlen($line) <= 1) return array(array()); // Weird %)
+	 $array = array();
+	 $value   = trim(substr($line,1));
+	 $value   = $this->_toType($value);
+	 if ($this->isArrayElement($value)) {
+	   $value = $this->returnArrayElement($value);
+	 }
+	 $array[] = $value;
+	 return $array;
   }
 
 
   private function nodeContainsGroup ($line) {
-    $symbolsForReference = 'A-z0-9_\-';
-    if (strpos($line, '&') === false && strpos($line, '*') === false) return false; // Please die fast ;-)
-    if ($line[0] == '&' && preg_match('/^(&['.$symbolsForReference.']+)/', $line, $matches)) return $matches[1];
-    if ($line[0] == '*' && preg_match('/^(\*['.$symbolsForReference.']+)/', $line, $matches)) return $matches[1];
-    if (preg_match('/(&['.$symbolsForReference.']+)$/', $line, $matches)) return $matches[1];
-    if (preg_match('/(\*['.$symbolsForReference.']+$)/', $line, $matches)) return $matches[1];
-    if (preg_match ('#^\s*<<\s*:\s*(\*[^\s]+).*$#', $line, $matches)) return $matches[1];
-    return false;
+	$symbolsForReference = 'A-z0-9_\-';
+	if (strpos($line, '&') === false && strpos($line, '*') === false) return false; // Please die fast ;-)
+	if ($line[0] == '&' && preg_match('/^(&['.$symbolsForReference.']+)/', $line, $matches)) return $matches[1];
+	if ($line[0] == '*' && preg_match('/^(\*['.$symbolsForReference.']+)/', $line, $matches)) return $matches[1];
+	if (preg_match('/(&['.$symbolsForReference.']+)$/', $line, $matches)) return $matches[1];
+	if (preg_match('/(\*['.$symbolsForReference.']+$)/', $line, $matches)) return $matches[1];
+	if (preg_match ('#^\s*<<\s*:\s*(\*[^\s]+).*$#', $line, $matches)) return $matches[1];
+	return false;
 
   }
 
   private function addGroup ($line, $group) {
-    if ($group[0] == '&') $this->_containsGroupAnchor = substr ($group, 1);
-    if ($group[0] == '*') $this->_containsGroupAlias = substr ($group, 1);
-    //print_r ($this->path);
+	if ($group[0] == '&') $this->_containsGroupAnchor = substr ($group, 1);
+	if ($group[0] == '*') $this->_containsGroupAlias = substr ($group, 1);
+	//print_r ($this->path);
   }
 
   private function stripGroup ($line, $group) {
-    $line = trim(str_replace($group, '', $line));
-    return $line;
+	$line = trim(str_replace($group, '', $line));
+	return $line;
   }
 }
 }

Braces +269 added lines, -115 removed lines

@@ -243,14 +243,18 @@ 
 
     // New YAML document
     $string = "";
-    if (!$no_opening_dashes) $string = "---\n";
+    if (!$no_opening_dashes) {
+    	$string = "---\n";
+    }
 
     // Start at the base of the array and move through it.
     if ($array) {
       $array = (array)$array;
       $previous_key = -1;
       foreach ($array as $key => $value) {
-        if (!isset($first_key)) $first_key = $key;
+        if (!isset($first_key)) {
+        	$first_key = $key;
+        }
         $string .= $this->_yamlize($key,$value,0,$previous_key, $first_key, $array);
         $previous_key = $key;
       }
@@ -267,10 +271,13 @@ 
      * @param $indent The indent of the current node
      */
   private function _yamlize($key,$value,$indent, $previous_key = -1, $first_key = 0, $source_array = null) {
-    if(is_object($value)) $value = (array)$value;
+    if(is_object($value)) {
+    	$value = (array)$value;
+    }
     if (is_array($value)) {
-      if (empty ($value))
-        return $this->_dumpNode($key, array(), $indent, $previous_key, $first_key, $source_array);
+      if (empty ($value)) {
+              return $this->_dumpNode($key, array(), $indent, $previous_key, $first_key, $source_array);
+      }
       // It has children.  What to do?
       // Make it the right kind of item
       $string = $this->_dumpNode($key, self::REMPTY, $indent, $previous_key, $first_key, $source_array);
@@ -297,7 +304,9 @@ 
       $string = '';
       $previous_key = -1;
       foreach ($array as $key => $value) {
-        if (!isset($first_key)) $first_key = $key;
+        if (!isset($first_key)) {
+        	$first_key = $key;
+        }
         $string .= $this->_yamlize($key, $value, $indent, $previous_key, $first_key, $array);
         $previous_key = $key;
       }
@@ -327,20 +336,29 @@ 
       $value  = $this->_doFolding($value,$indent);
     }
 
-    if ($value === array()) $value = '[ ]';
-    if ($value === "") $value = '""';
+    if ($value === array()) {
+    	$value = '[ ]';
+    }
+    if ($value === "") {
+    	$value = '""';
+    }
     if (self::isTranslationWord($value)) {
       $value = $this->_doLiteralBlock($value, $indent);
     }
-    if (trim ($value) != $value)
-       $value = $this->_doLiteralBlock($value,$indent);
+    if (trim ($value) != $value) {
+           $value = $this->_doLiteralBlock($value,$indent);
+    }
 
     if (is_bool($value)) {
        $value = $value ? "true" : "false";
     }
 
-    if ($value === null) $value = 'null';
-    if ($value === "'" . self::REMPTY . "'") $value = null;
+    if ($value === null) {
+    	$value = 'null';
+    }
+    if ($value === "'" . self::REMPTY . "'") {
+    	$value = null;
+    }
 
     $spaces = str_repeat(' ',$indent);
 
@@ -365,7 +383,9 @@ 
      * @param $indent int The value of the indent
      */
   private function _doLiteralBlock($value,$indent) {
-    if ($value === "\n") return '\n';
+    if ($value === "\n") {
+    	return '\n';
+    }
     if (strpos($value, "\n") === false && strpos($value, "'") === false) {
       return sprintf ("'%s'", $value);
     }
@@ -405,10 +425,12 @@ 
       $wrapped = wordwrap($value,$this->_dumpWordWrap,"\n$indent");
       $value   = ">\n".$indent.$wrapped;
     } else {
-      if ($this->setting_dump_force_quotes && is_string ($value) && $value !== self::REMPTY)
-        $value = '"' . $value . '"';
-      if (is_numeric($value) && is_string($value))
-        $value = '"' . $value . '"';
+      if ($this->setting_dump_force_quotes && is_string ($value) && $value !== self::REMPTY) {
+              $value = '"' . $value . '"';
+      }
+      if (is_numeric($value) && is_string($value)) {
+              $value = '"' . $value . '"';
+      }
     }
 
 
@@ -482,7 +504,9 @@ 
   }
 
   private function loadWithSource($Source) {
-    if (empty ($Source)) return array();
+    if (empty ($Source)) {
+    	return array();
+    }
     if ($this->setting_use_syck_is_possible && function_exists ('syck_load')) {
       $array = syck_load (implode ("\n", $Source));
       return is_array($array) ? $array : array();
@@ -498,8 +522,12 @@ 
       $this->indent = strlen($line) - strlen(ltrim($line));
       $tempPath = $this->getParentPathByIndent($this->indent);
       $line = self::stripIndent($line, $this->indent);
-      if (self::isComment($line)) continue;
-      if (self::isEmpty($line)) continue;
+      if (self::isComment($line)) {
+      	continue;
+      }
+      if (self::isEmpty($line)) {
+      	continue;
+      }
       $this->path = $tempPath;
 
       $literalBlockStyle = self::startsLiteralBlock($line);
@@ -526,13 +554,15 @@ 
 
       $lineArray = $this->_parseLine($line);
 
-      if ($literalBlockStyle)
-        $lineArray = $this->revertLiteralPlaceHolder ($lineArray, $literalBlock);
+      if ($literalBlockStyle) {
+              $lineArray = $this->revertLiteralPlaceHolder ($lineArray, $literalBlock);
+      }
 
       $this->addArray($lineArray, $this->indent);
 
-      foreach ($this->delayedPath as $indent => $delayedPath)
-        $this->path[$indent] = $delayedPath;
+      foreach ($this->delayedPath as $indent => $delayedPath) {
+              $this->path[$indent] = $delayedPath;
+      }
 
       $this->delayedPath = array();
 
@@ -541,8 +571,9 @@ 
   }
 
   private function loadFromSource ($input) {
-    if (!empty($input) && strpos($input, "\n") === false && file_exists($input))
-      $input = file_get_contents($input);
+    if (!empty($input) && strpos($input, "\n") === false && file_exists($input)) {
+          $input = file_get_contents($input);
+    }
 
     return $this->loadFromString($input);
   }
@@ -562,9 +593,13 @@ 
      * @param string $line A line from the YAML file
      */
   private function _parseLine($line) {
-    if (!$line) return array();
+    if (!$line) {
+    	return array();
+    }
     $line = trim($line);
-    if (!$line) return array();
+    if (!$line) {
+    	return array();
+    }
 
     $array = array();
 
@@ -574,17 +609,21 @@ 
       $line = $this->stripGroup ($line, $group);
     }
 
-    if ($this->startsMappedSequence($line))
-      return $this->returnMappedSequence($line);
+    if ($this->startsMappedSequence($line)) {
+          return $this->returnMappedSequence($line);
+    }
 
-    if ($this->startsMappedValue($line))
-      return $this->returnMappedValue($line);
+    if ($this->startsMappedValue($line)) {
+          return $this->returnMappedValue($line);
+    }
 
-    if ($this->isArrayElement($line))
-     return $this->returnArrayElement($line);
+    if ($this->isArrayElement($line)) {
+         return $this->returnArrayElement($line);
+    }
 
-    if ($this->isPlainArray($line))
-     return $this->returnPlainArray($line);
+    if ($this->isPlainArray($line)) {
+         return $this->returnPlainArray($line);
+    }
 
 
     return $this->returnKeyValuePair($line);
@@ -598,32 +637,44 @@ 
      * @return mixed
      */
   private function _toType($value) {
-    if ($value === '') return "";
+    if ($value === '') {
+    	return "";
+    }
     $first_character = $value[0];
     $last_character = substr($value, -1, 1);
 
     $is_quoted = false;
     do {
-      if (!$value) break;
-      if ($first_character != '"' && $first_character != "'") break;
-      if ($last_character != '"' && $last_character != "'") break;
+      if (!$value) {
+      	break;
+      }
+      if ($first_character != '"' && $first_character != "'") {
+      	break;
+      }
+      if ($last_character != '"' && $last_character != "'") {
+      	break;
+      }
       $is_quoted = true;
     } while (0);
 
     if ($is_quoted) {
       $value = str_replace('\n', "\n", $value);
-      if ($first_character == "'")
-        return strtr(substr ($value, 1, -1), array ('\'\'' => '\'', '\\\''=> '\''));
+      if ($first_character == "'") {
+              return strtr(substr ($value, 1, -1), array ('\'\'' => '\'', '\\\''=> '\''));
+      }
       return strtr(substr ($value, 1, -1), array ('\\"' => '"', '\\\''=> '\''));
     }
 
-    if (strpos($value, ' #') !== false && !$is_quoted)
-      $value = preg_replace('/\s+#(.+)$/','',$value);
+    if (strpos($value, ' #') !== false && !$is_quoted) {
+          $value = preg_replace('/\s+#(.+)$/','',$value);
+    }
 
     if ($first_character == '[' && $last_character == ']') {
       // Take out strings sequences and mappings
       $innerValue = trim(substr ($value, 1, -1));
-      if ($innerValue === '') return array();
+      if ($innerValue === '') {
+      	return array();
+      }
       $explode = $this->_inlineEscape($innerValue);
       // Propagate value array
       $value  = array();
@@ -644,7 +695,9 @@ 
 
     if ($first_character == '{' && $last_character == '}') {
       $innerValue = trim(substr ($value, 1, -1));
-      if ($innerValue === '') return array();
+      if ($innerValue === '') {
+      	return array();
+      }
       // Inline Mapping
       // Take out strings sequences and mappings
       $explode = $this->_inlineEscape($innerValue);
@@ -652,7 +705,9 @@ 
       $array = array();
       foreach ($explode as $v) {
         $SubArr = $this->_toType($v);
-        if (empty($SubArr)) continue;
+        if (empty($SubArr)) {
+        	continue;
+        }
         if (is_array ($SubArr)) {
           $array[key($SubArr)] = $SubArr[key($SubArr)]; continue;
         }
@@ -667,8 +722,9 @@ 
 
     if ( is_numeric($value) && preg_match ('/^(-|)[1-9]+[0-9]*$/', $value) ){
       $intvalue = (int)$value;
-      if ($intvalue != PHP_INT_MAX && $intvalue != ~PHP_INT_MAX)
-        $value = $intvalue;
+      if ($intvalue != PHP_INT_MAX && $intvalue != ~PHP_INT_MAX) {
+              $value = $intvalue;
+      }
       return $value;
     }
 
@@ -680,9 +736,12 @@ 
     $this->coerceValue($value);
 
     if (is_numeric($value)) {
-      if ($value === '0') return 0;
-      if (rtrim ($value, 0) === $value)
-        $value = (float)$value;
+      if ($value === '0') {
+      	return 0;
+      }
+      if (rtrim ($value, 0) === $value) {
+              $value = (float)$value;
+      }
       return $value;
     }
 
@@ -738,7 +797,9 @@ 
       $inline = preg_replace('/{([^\[\]{}]+)}/U', ('YAMLMap' . (count($maps) - 1) . 's'), $inline, 1);
     }
 
-    if ($i++ >= 10) break;
+    if ($i++ >= 10) {
+    	break;
+    }
 
     } while (strpos ($inline, '[') !== false || strpos ($inline, '{') !== false);
 
@@ -811,11 +872,15 @@ 
         $finished = false; break;
       }
     }
-    if ($finished) break;
+    if ($finished) {
+    	break;
+    }
 
     $i++;
-    if ($i > 10)
-      break; // Prevent infinite loops.
+    if ($i > 10) {
+          break;
+    }
+    // Prevent infinite loops.
     }
 
 
@@ -823,8 +888,12 @@ 
   }
 
   private function literalBlockContinues ($line, $lineIndent) {
-    if (!trim($line)) return true;
-    if (strlen($line) - strlen(ltrim($line)) > $lineIndent) return true;
+    if (!trim($line)) {
+    	return true;
+    }
+    if (strlen($line) - strlen(ltrim($line)) > $lineIndent) {
+    	return true;
+    }
     return false;
   }
 
@@ -842,7 +911,9 @@ 
 
   private function addArrayInline ($array, $indent) {
       $CommonGroupPath = $this->path;
-      if (empty ($array)) return false;
+      if (empty ($array)) {
+      	return false;
+      }
 
       foreach ($array as $k => $_) {
         $this->addArray(array($k => $_), $indent);
@@ -855,12 +926,15 @@ 
 
    // print_r ($incoming_data);
 
-    if (count ($incoming_data) > 1)
-      return $this->addArrayInline ($incoming_data, $incoming_indent);
+    if (count ($incoming_data) > 1) {
+          return $this->addArrayInline ($incoming_data, $incoming_indent);
+    }
 
     $key = key ($incoming_data);
     $value = isset($incoming_data[$key]) ? $incoming_data[$key] : null;
-    if ($key === '__!YAMLZero') $key = '0';
+    if ($key === '__!YAMLZero') {
+    	$key = '0';
+    }
 
     if ($incoming_indent == 0 && !$this->_containsGroupAlias && !$this->_containsGroupAnchor) { // Shortcut for root-level values.
       if ($key || $key === '' || $key === '0') {
@@ -893,13 +967,13 @@ 
 
       $_arr = array_merge ($_arr, $value);
     } else if ($key || $key === '' || $key === '0') {
-      if (!is_array ($_arr))
-        $_arr = array ($key=>$value);
-      else
-        $_arr[$key] = $value;
+      if (!is_array ($_arr)) {
+              $_arr = array ($key=>$value);
+      } else {
+              $_arr[$key] = $value;
+      }
     } else {
-      if (!is_array ($_arr)) { $_arr = array ($value); $key = 0; }
-      else { $_arr[] = $value; end ($_arr); $key = key ($_arr); }
+      if (!is_array ($_arr)) { $_arr = array ($value); $key = 0; } else { $_arr[] = $value; end ($_arr); $key = key ($_arr); }
     }
 
     $reverse_path = array_reverse($this->path);
@@ -928,19 +1002,33 @@ 
 
   private static function startsLiteralBlock ($line) {
     $lastChar = substr (trim($line), -1);
-    if ($lastChar != '>' && $lastChar != '|') return false;
-    if ($lastChar == '|') return $lastChar;
+    if ($lastChar != '>' && $lastChar != '|') {
+    	return false;
+    }
+    if ($lastChar == '|') {
+    	return $lastChar;
+    }
     // HTML tags should not be counted as literal blocks.
-    if (preg_match ('#<.*?>$#', $line)) return false;
+    if (preg_match ('#<.*?>$#', $line)) {
+    	return false;
+    }
     return $lastChar;
   }
 
   private static function greedilyNeedNextLine($line) {
     $line = trim ($line);
-    if (!strlen($line)) return false;
-    if (substr ($line, -1, 1) == ']') return false;
-    if ($line[0] == '[') return true;
-    if (preg_match ('#^[^:]+?:\s*\[#', $line)) return true;
+    if (!strlen($line)) {
+    	return false;
+    }
+    if (substr ($line, -1, 1) == ']') {
+    	return false;
+    }
+    if ($line[0] == '[') {
+    	return true;
+    }
+    if (preg_match ('#^[^:]+?:\s*\[#', $line)) {
+    	return true;
+    }
     return false;
   }
 
@@ -953,37 +1041,46 @@ 
     if ($literalBlockStyle == '|') {
       return $literalBlock . $line;
     }
-    if (strlen($line) == 0)
-      return rtrim($literalBlock, ' ') . "\n";
+    if (strlen($line) == 0) {
+          return rtrim($literalBlock, ' ') . "\n";
+    }
     if ($line == "\n" && $literalBlockStyle == '>') {
       return rtrim ($literalBlock, " \t") . "\n";
     }
-    if ($line != "\n")
-      $line = trim ($line, "\r\n ") . " ";
+    if ($line != "\n") {
+          $line = trim ($line, "\r\n ") . " ";
+    }
     return $literalBlock . $line;
   }
 
    function revertLiteralPlaceHolder ($lineArray, $literalBlock) {
      foreach ($lineArray as $k => $_) {
-      if (is_array($_))
-        $lineArray[$k] = $this->revertLiteralPlaceHolder ($_, $literalBlock);
-      else if (substr($_, -1 * strlen ($this->LiteralPlaceHolder)) == $this->LiteralPlaceHolder)
-	       $lineArray[$k] = rtrim ($literalBlock, " \r\n");
+      if (is_array($_)) {
+              $lineArray[$k] = $this->revertLiteralPlaceHolder ($_, $literalBlock);
+      } else if (substr($_, -1 * strlen ($this->LiteralPlaceHolder)) == $this->LiteralPlaceHolder) {
+      	       $lineArray[$k] = rtrim ($literalBlock, " \r\n");
+      }
      }
      return $lineArray;
    }
 
   private static function stripIndent ($line, $indent = -1) {
-    if ($indent == -1) $indent = strlen($line) - strlen(ltrim($line));
+    if ($indent == -1) {
+    	$indent = strlen($line) - strlen(ltrim($line));
+    }
     return substr ($line, $indent);
   }
 
   private function getParentPathByIndent ($indent) {
-    if ($indent == 0) return array();
+    if ($indent == 0) {
+    	return array();
+    }
     $linePath = $this->path;
     do {
       end($linePath); $lastIndentInParentPath = key($linePath);
-      if ($indent <= $lastIndentInParentPath) array_pop ($linePath);
+      if ($indent <= $lastIndentInParentPath) {
+      	array_pop ($linePath);
+      }
     } while ($indent <= $lastIndentInParentPath);
     return $linePath;
   }
@@ -992,11 +1089,17 @@ 
   private function clearBiggerPathValues ($indent) {
 
 
-    if ($indent == 0) $this->path = array();
-    if (empty ($this->path)) return true;
+    if ($indent == 0) {
+    	$this->path = array();
+    }
+    if (empty ($this->path)) {
+    	return true;
+    }
 
     foreach ($this->path as $k => $_) {
-      if ($k > $indent) unset ($this->path[$k]);
+      if ($k > $indent) {
+      	unset ($this->path[$k]);
+      }
     }
 
     return true;
@@ -1004,9 +1107,15 @@ 
 
 
   private static function isComment ($line) {
-    if (!$line) return false;
-    if ($line[0] == '#') return true;
-    if (trim($line, " \r\n\t") == '---') return true;
+    if (!$line) {
+    	return false;
+    }
+    if ($line[0] == '#') {
+    	return true;
+    }
+    if (trim($line, " \r\n\t") == '---') {
+    	return true;
+    }
     return false;
   }
 
@@ -1016,10 +1125,15 @@ 
 
 
   private function isArrayElement ($line) {
-    if (!$line || !is_scalar($line)) return false;
-    if (substr($line, 0, 2) != '- ') return false;
-    if (strlen ($line) > 3)
-      if (substr($line,0,3) == '---') return false;
+    if (!$line || !is_scalar($line)) {
+    	return false;
+    }
+    if (substr($line, 0, 2) != '- ') {
+    	return false;
+    }
+    if (strlen ($line) > 3) {
+          if (substr($line,0,3) == '---') return false;
+    }
 
     return true;
   }
@@ -1029,17 +1143,29 @@ 
   }
 
   private function isLiteral ($line) {
-    if ($this->isArrayElement($line)) return false;
-    if ($this->isHashElement($line)) return false;
+    if ($this->isArrayElement($line)) {
+    	return false;
+    }
+    if ($this->isHashElement($line)) {
+    	return false;
+    }
     return true;
   }
 
 
   private static function unquote ($value) {
-    if (!$value) return $value;
-    if (!is_string($value)) return $value;
-    if ($value[0] == '\'') return trim ($value, '\'');
-    if ($value[0] == '"') return trim ($value, '"');
+    if (!$value) {
+    	return $value;
+    }
+    if (!is_string($value)) {
+    	return $value;
+    }
+    if ($value[0] == '\'') {
+    	return trim ($value, '\'');
+    }
+    if ($value[0] == '"') {
+    	return trim ($value, '"');
+    }
     return $value;
   }
 
@@ -1101,7 +1227,9 @@ 
       }
       // Set the type of the value.  Int, string, etc
       $value = $this->_toType($value);
-      if ($key === '0') $key = '__!YAMLZero';
+      if ($key === '0') {
+      	$key = '__!YAMLZero';
+      }
       $array[$key] = $value;
     } else {
       $array = array ($line);
@@ -1112,7 +1240,10 @@ 
 
 
   private function returnArrayElement ($line) {
-     if (strlen($line) <= 1) return array(array()); // Weird %)
+     if (strlen($line) <= 1) {
+     	return array(array());
+     }
+     // Weird %)
      $array = array();
      $value   = trim(substr($line,1));
      $value   = $this->_toType($value);
@@ -1126,19 +1257,36 @@ 
 
   private function nodeContainsGroup ($line) {
     $symbolsForReference = 'A-z0-9_\-';
-    if (strpos($line, '&') === false && strpos($line, '*') === false) return false; // Please die fast ;-)
-    if ($line[0] == '&' && preg_match('/^(&['.$symbolsForReference.']+)/', $line, $matches)) return $matches[1];
-    if ($line[0] == '*' && preg_match('/^(\*['.$symbolsForReference.']+)/', $line, $matches)) return $matches[1];
-    if (preg_match('/(&['.$symbolsForReference.']+)$/', $line, $matches)) return $matches[1];
-    if (preg_match('/(\*['.$symbolsForReference.']+$)/', $line, $matches)) return $matches[1];
-    if (preg_match ('#^\s*<<\s*:\s*(\*[^\s]+).*$#', $line, $matches)) return $matches[1];
+    if (strpos($line, '&') === false && strpos($line, '*') === false) {
+    	return false;
+    }
+    // Please die fast ;-)
+    if ($line[0] == '&' && preg_match('/^(&['.$symbolsForReference.']+)/', $line, $matches)) {
+    	return $matches[1];
+    }
+    if ($line[0] == '*' && preg_match('/^(\*['.$symbolsForReference.']+)/', $line, $matches)) {
+    	return $matches[1];
+    }
+    if (preg_match('/(&['.$symbolsForReference.']+)$/', $line, $matches)) {
+    	return $matches[1];
+    }
+    if (preg_match('/(\*['.$symbolsForReference.']+$)/', $line, $matches)) {
+    	return $matches[1];
+    }
+    if (preg_match ('#^\s*<<\s*:\s*(\*[^\s]+).*$#', $line, $matches)) {
+    	return $matches[1];
+    }
     return false;
 
   }
 
   private function addGroup ($line, $group) {
-    if ($group[0] == '&') $this->_containsGroupAnchor = substr ($group, 1);
-    if ($group[0] == '*') $this->_containsGroupAlias = substr ($group, 1);
+    if ($group[0] == '&') {
+    	$this->_containsGroupAnchor = substr ($group, 1);
+    }
+    if ($group[0] == '*') {
+    	$this->_containsGroupAlias = substr ($group, 1);
+    }
     //print_r ($this->path);
   }
 
@@ -1153,9 +1301,15 @@ 
 // The syntax is the following: php Spyc.php spyc.yaml
 
 do {
-  if (PHP_SAPI != 'cli') break;
-  if (empty ($_SERVER['argc']) || $_SERVER['argc'] < 2) break;
-  if (empty ($_SERVER['PHP_SELF']) || FALSE === strpos ($_SERVER['PHP_SELF'], 'Spyc.php') ) break;
+  if (PHP_SAPI != 'cli') {
+  	break;
+  }
+  if (empty ($_SERVER['argc']) || $_SERVER['argc'] < 2) {
+  	break;
+  }
+  if (empty ($_SERVER['PHP_SELF']) || FALSE === strpos ($_SERVER['PHP_SELF'], 'Spyc.php') ) {
+  	break;
+  }
   $file = $argv[1];
   echo json_encode (spyc_load_file ($file));
 } while (0);

writing-on-github.php

Indentation +1 added lines, -1 removed lines

@@ -186,7 +186,7 @@
 			}
 		}
 
-	    return $link;
+		return $link;
 	}
 
 	public function ignore_post_meta($meta) {