class SassEachNode in Sassy 7.3

SassEachNode class. Represents a Sass @each loop. @package PHamlP @subpackage Sass.tree

Hierarchy

• class \SassNode
  • class \SassEachNode

File

phpsass/tree/SassEachNode.php, line 25

class SassEachNode extends SassNode {
  const MATCH = '/@each\\s+[!\\$](.+?)in\\s+(.+)$/i';
  const VARIABLE = 1;
  const IN = 2;

  /**
   * @var string variable name for the loop
   */
  private $variable;

  /**
   * @var string expression that provides the loop values
   */
  private $in;

  /**
   * SassEachNode constructor.
   * @param object source token
   * @return SassEachNode
   */
  public function __construct($token) {
    parent::__construct($token);
    if (!preg_match(self::MATCH, $token->source, $matches)) {
      if ($GLOBALS['SassParser_debug']) {
        throw new SassEachNodeException('Invalid @each directive', $this);
      }
    }
    else {
      $this->variable = trim($matches[self::VARIABLE]);
      if (count($bits = explode(',', $this->variable)) > 1) {
        $this->variable = trim(array_pop($bits), ' $,');
        $this->index_name = trim($bits[0], ' $,');
      }
      else {
        $this->index_name = 'i';
      }
      $this->in = $matches[self::IN];
    }
  }
  public function getIndex_name() {
    return isset($this->index_name) ? $this->index_name : 'i';
  }
  public function setIndex_name($value) {
    $this->index_name = $value;
  }

  /**
   * Parse this node.
   * @param SassContext the context in which this node is parsed
   * @return array parsed child nodes
   */
  public function parse($context) {
    $children = array();
    if ($this->variable && $this->in) {
      $context = new SassContext($context);
      try {
        $eval_in = $this
          ->evaluate($this->in, $context->parent)->value;
      } catch (Exception $e) {
        $eval_in = $this->in;
      }
      $eval_in = $this
        ->parse_in($eval_in);
      foreach ($eval_in as $i => $in) {
        $context
          ->setVariable($this->index_name, new SassNumber($i));
        $context
          ->setVariable($this->variable, new SassString(trim($in)));
        $children = array_merge($children, $this
          ->parseChildren($context));
      }
    }
    return $children;
  }
  private function parse_in($string) {
    $current = '';
    $in_brace = FALSE;
    $list = array();
    if (strpos($string, '(') === FALSE) {
      return explode(',', $string);
    }
    for ($i = 0; $i < strlen($string); $i++) {
      $char = $string[$i];
      if ($in_brace) {
        if ($char == ')') {
          $list[] = trim($current);
          if (strlen($string) < $i + 1 && $string[$i + 1] == ',') {
            $i++;

            # skip the comma
          }
          $current = '';
          $in_brace = FALSE;
        }
        else {
          $current .= $char;
        }
        continue;
      }
      if ($char == '(') {
        $in_brace = TRUE;
        continue;
      }
      if ($char == ',') {
        $list[] = trim($current);
        $current = '';
        continue;
      }
      $current .= $char;
    }
    $list[] = trim($current);
    $real_list = array();
    foreach ($list as $k => $v) {
      if (strlen(trim($v))) {
        $real_list[] = $v;
      }
    }
    return $real_list;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
SassEachNode::$in	private	property
SassEachNode::$variable	private	property
SassEachNode::getIndex_name	public	function
SassEachNode::IN		constant
SassEachNode::MATCH		constant
SassEachNode::parse	public	function	Parse this node.
SassEachNode::parse_in	private	function
SassEachNode::setIndex_name	public	function
SassEachNode::VARIABLE		constant
SassEachNode::__construct	public	function	SassEachNode constructor. Overrides SassNode::__construct
SassNode::$children	public	property
SassNode::$parent	public	property		1
SassNode::$root	public	property
SassNode::$token	public	property
SassNode::addChild	public	function	Adds a child to this node.
SassNode::addWarning	public	function	Adds a warning to the node.
SassNode::evaluate	public	function	Evaluates a SassScript expression.
SassNode::getChildren	public	function	Returns the node's children
SassNode::getDebug_info	public	function	Returns the debug_info option setting for this node
SassNode::getFilename	public	function	Returns the filename for this node
SassNode::getLastChild	public	function	Returns the last child node of this node.
SassNode::getLevel	public	function	Returns the level of this node.
SassNode::getLine	public	function	Returns the line number for this node
SassNode::getLine_numbers	public	function	Returns the line_numbers option setting for this node
SassNode::getParent	public	function	Returns the node's parent
SassNode::getParser	public	function	Returns the Sass parser.
SassNode::getPropertySyntax	public	function	Returns the property syntax being used.
SassNode::getRenderer	public	function	Returns the renderer.
SassNode::getScript	public	function	Returns the SassScript parser.
SassNode::getSource	public	function	Returns the source for this node
SassNode::getStyle	public	function	Returns the render style of the document tree.
SassNode::getVendor_properties	public	function	Returns vendor specific properties
SassNode::hasChildren	public	function	Returns a value indicating if this node has children
SassNode::hasParent	public	function	Return a value indicating if this node has a parent
SassNode::inDirective	public	function	Returns a value indicating whether this node is in a directive
SassNode::inSassScriptDirective	public	function	Returns a value indicating whether this node is in a SassScript directive
SassNode::interpolate	public	function	Replace interpolated SassScript contained in '#{}' with the parsed value.
SassNode::isa	public static	function	Returns a value indicating if the token represents this type of node.	9
SassNode::isChildOf	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::parseChildren	public	function	Parse the children of the node.
SassNode::__clone	public	function	Resets children when cloned
SassNode::__get	public	function	Getter.
SassNode::__set	public	function	Setter.