class SassWhileNode in Sassy 7.3
Same name and namespace in other branches
- 7 phamlp/sass/tree/SassWhileNode.php \SassWhileNode
SassWhileNode class. Represents a Sass @while loop and a Sass @do loop. @package PHamlP @subpackage Sass.tree
Hierarchy
- class \SassNode
- class \SassWhileNode
Expanded class hierarchy of SassWhileNode
File
- phpsass/
tree/ SassWhileNode.php, line 18
View source
class SassWhileNode extends SassNode {
const MATCH = '/^@(do|while)\\s+(.+)$/i';
const LOOP = 1;
const EXPRESSION = 2;
const IS_DO = 'do';
/**
* @var boolean whether this is a do/while.
* A do/while loop is guarenteed to run at least once.
*/
private $isDo;
/**
* @var string expression to evaluate
*/
private $expression;
/**
* SassWhileNode constructor.
* @param object source token
* @return SassWhileNode
*/
public function __construct($token) {
parent::__construct($token);
preg_match(self::MATCH, $token->source, $matches);
$this->expression = $matches[self::EXPRESSION];
$this->isDo = $matches[self::LOOP] === SassWhileNode::IS_DO;
}
/**
* Parse this node.
* @param SassContext the context in which this node is parsed
* @return array the parsed child nodes
*/
public function parse($context) {
$children = array();
if ($this->isDo) {
do {
$children = array_merge($children, $this
->parseChildren($context));
} while ($this
->evaluate($this->expression, $context)
->toBoolean());
}
else {
while ($this
->evaluate($this->expression, $context)
->toBoolean()) {
$children = array_merge($children, $this
->parseChildren($context));
}
}
return $children;
}
}
Members
Name![]() |
Modifiers | Type | Description | Overrides |
---|---|---|---|---|
SassNode:: |
public | property | ||
SassNode:: |
public | property | 1 | |
SassNode:: |
public | property | ||
SassNode:: |
public | property | ||
SassNode:: |
public | function | Adds a child to this node. | |
SassNode:: |
public | function | Adds a warning to the node. | |
SassNode:: |
public | function | Evaluates a SassScript expression. | |
SassNode:: |
public | function | Returns the node's children | |
SassNode:: |
public | function | Returns the debug_info option setting for this node | |
SassNode:: |
public | function | Returns the filename for this node | |
SassNode:: |
public | function | Returns the last child node of this node. | |
SassNode:: |
public | function | Returns the level of this node. | |
SassNode:: |
public | function | Returns the line number for this node | |
SassNode:: |
public | function | Returns the line_numbers option setting for this node | |
SassNode:: |
public | function | Returns the node's parent | |
SassNode:: |
public | function | Returns the Sass parser. | |
SassNode:: |
public | function | Returns the property syntax being used. | |
SassNode:: |
public | function | Returns the renderer. | |
SassNode:: |
public | function | Returns the SassScript parser. | |
SassNode:: |
public | function | Returns the source for this node | |
SassNode:: |
public | function | Returns the render style of the document tree. | |
SassNode:: |
public | function | Returns vendor specific properties | |
SassNode:: |
public | function | Returns a value indicating if this node has children | |
SassNode:: |
public | function | Return a value indicating if this node has a parent | |
SassNode:: |
public | function | Returns a value indicating whether this node is in a directive | |
SassNode:: |
public | function | Returns a value indicating whether this node is in a SassScript directive | |
SassNode:: |
public | function | Replace interpolated SassScript contained in '#{}' with the parsed value. | |
SassNode:: |
public static | function | Returns a value indicating if the token represents this type of node. | 9 |
SassNode:: |
public | function | Returns a value indicating if this node is a child of the passed node. This just checks the levels of the nodes. If this node is at a greater level than the passed node if is a child of it. | |
SassNode:: |
public | function | Parse the children of the node. | |
SassNode:: |
public | function | Resets children when cloned | |
SassNode:: |
public | function | Getter. | |
SassNode:: |
public | function | Setter. | |
SassWhileNode:: |
private | property | ||
SassWhileNode:: |
private | property | A do/while loop is guarenteed to run at least once. | |
SassWhileNode:: |
constant | |||
SassWhileNode:: |
constant | |||
SassWhileNode:: |
constant | |||
SassWhileNode:: |
constant | |||
SassWhileNode:: |
public | function | Parse this node. | |
SassWhileNode:: |
public | function |
SassWhileNode constructor. Overrides SassNode:: |