1 files changed, 27 insertions, 27 deletions

diff --git a/src/ste/Scope.php b/src/ste/Scope.php
index 26481ac..5249158 100644
--- a/src/ste/Scope.php
+++ b/src/ste/Scope.php
@@ -5,49 +5,49 @@ namespace kch42\ste;
 class Scope implements \ArrayAccess {
 	private $parent = NULL;
 	public $vars = array();
-	
+
 	private static function parse_name($name) {
 		$remain = $name;
 		$fields = array();
-		
+
 		while($remain !== "") {
 			$br_open = strpos($remain, '[');
 			if($br_open === false) {
 				$fields[] = $remain;
 				break;
 			}
-			
+
 			$br_close = strpos($remain, ']', $br_open);
 			if($br_close === false) {
 				throw new RuntimeError("Invalid varname \"$name\". Missing closing \"]\".");
 			}
-			
+
 			$fields[] = substr($remain, 0, $br_open);
-			
+
 			$field = substr($remain, $br_open+1, $br_close-$br_open-1);
 			$more = substr($remain, $br_close+1);
-			
+
 			if(strpos($field, '[') !== false) {
 				throw new RuntimeError("A variable field must not contain a '[' character.");
 			}
-			
+
 			if((strlen($more) > 0) && ($more[0] !== '[')) {
 				// TODO: better error message, not very non-programmer friendly...
 				throw new RuntimeError("A variable name must be of format name('[' name ']')*.");
 			}
-			
+
 			$remain = $field . $more;
 		}
-		
+
 		return $fields;
 	}
-	
+
 	private function &get_topvar_reference($name, $localonly) {
 		if(array_key_exists($name, $this->vars)) {
 			$ref = &$this->vars[$name];
 			return $ref;
 		}
-		
+
 		if((!$localonly) && ($this->parent !== NULL)) {
 			$ref = &$this->parent->get_topvar_reference($name, $localonly);
 			return $ref;
@@ -55,17 +55,17 @@ class Scope implements \ArrayAccess {
 
 		throw new VarNotInScope();
 	}
-	
+
 	public function &get_var_reference($name, $create_if_not_exist, $localonly=false) {
 		$nullref = NULL;
-		
+
 		$fields = self::parse_name($name);
 		if(count($fields) == 0) {
 			return $nullref; // TODO: or should we throw an exception here?
 		}
-		
+
 		$first = $fields[0];
-		
+
 		$ref = NULL;
 		try {
 			$ref = &$this->get_topvar_reference($first, $localonly);
@@ -77,55 +77,55 @@ class Scope implements \ArrayAccess {
 				return $nullref;
 			}
 		}
-		
+
 		for($i = 1; $i < count($fields); $i++) {
 			$field = $fields[$i];
-			
+
 			if(!is_array($ref)) {
 				return $nullref;
 			}
-			
+
 			if(!array_key_exists($field, $ref)) {
 				if(!$create_if_not_exist) {
 					return $nullref;
 				}
-				
+
 				if($i < count($fields) - 1) {
 					$ref[$field] = array();
 				} else {
 					$ref[$field] = "";
 				}
 			}
-			
+
 			$ref = &$ref[$field];
 		}
-		
+
 		return $ref;
 	}
-	
+
 	public function set_var_by_name($name, $val) {
 		$ref = &$this->get_var_reference($name, true);
 		$ref = $val;
 	}
-	
+
 	public function set_local_var($name, $val) {
 		$ref = &$this->get_var_reference($name, true, true);
 		$ref = $val;
 	}
-	
+
 	public function get_var_by_name($name) {
 		$ref = $this->get_var_reference($name, false);
 		return $ref === NULL ? "" : $ref;
 	}
-	
+
 	public function new_subscope() {
 		$o = new self();
 		$o->parent = $this;
 		return $o;
 	}
-	
+
 	/* implementing ArrayAccess */
-	
+
 	public function offsetSet($offset, $value) {
 		$this->set_var_by_name($offset, $value);
 	}