/**
* Root SassNode constructor.
* @param SassParser Sass parser
* @return SassNode
*/
public function __construct($parser)
{
parent::__construct((object) array('source' => '', 'level' => -1, 'filename' => $parser->filename, 'line' => 0));
$this->parser = $parser;
$this->script = new SassScriptParser();
$this->renderer = SassRenderer::getRenderer($parser->style);
$this->root = $this;
}
/**
* Root SassNode constructor.
* @param array options for the tree
* @return SassNode
*/
public function __construct($options)
{
$this->root = $this;
$this->options = $options;
$this->parser = new SassScriptParser();
$this->renderer = SassRenderer::getRenderer($this->options['style']);
$this->line = array('indentLevel' => -1);
}
/**
* Renders a property.
* @param SassNode the node being rendered
* @return string the rendered property
*/
public function renderProperty($node)
{
return $this->getIndent($node) . parent::renderProperty($node);
}
/**
* Renders a rule.
* @param SassNode the node being rendered
* @param array rule properties
* @param string rendered rules
* @return string the rendered directive
*/
public function renderRule($node, $properties, $rules)
{
return parent::renderRule($node, $properties, str_replace("\n\n", "\n", $rules)) . "\n";
}
/**
* Render Sass code
*
* @param string Filename
* @param string SassRenderer type
* @return string
*/
public function render($file = null, $type = null)
{
if (!is_null($file)) {
$this->setFile($file);
}
if (!is_null($type)) {
$this->setRenderer($type);
}
$cache = new CommonCache($this->getTmp(), 'css', $this->getSource());
if (!$cache->isCached()) {
// BEGIN: Flat to tree structure
$lines = explode(self::TOKEN_LINE, $this->getSource());
$last = array(-1 => null);
$attributes = array();
$attributeLevel = 0;
$namespace = null;
$namespaceLevel = 0;
foreach ($lines as $line) {
$stop = true;
$cleaned = $this->cleanLine($line);
$level = $this->countLevel($line);
// Check for constant definition
if (preg_match('/^' . preg_quote(self::TOKEN_CONSTANT) . '(.+?)[ ]?' . preg_quote(self::TOKEN_CONSTANT_VALUE) . '[ ]?["]?(.+)["]?/', $cleaned, $matches)) {
$this->setConstant($matches[1], $matches[2]);
} else {
// Check for dynamic attribute definition
if (preg_match('/^' . preg_quote(self::TOKEN_ATTRIBUTE) . '(.+?)[ ]?' . preg_quote(self::TOKEN_ATTRIBUTE_CALCULATE) . '[ ]?(.+)/', $cleaned, $matches)) {
if ($namespaceLevel + 1 != $level) {
$namespace = null;
}
$attributes[empty($namespace) ? $matches[1] : "{$namespace}-{$matches[1]}"] = $this->calculate($matches[2]);
$attributeLevel = $level - (empty($namespace) ? 1 : 2);
} else {
// Check for attribute definition
if (preg_match('/^' . preg_quote(self::TOKEN_ATTRIBUTE) . '(.+?) (.+)/', $cleaned, $matches)) {
if ($namespaceLevel + 1 != $level) {
$namespace = null;
}
$attributes[empty($namespace) ? $matches[1] : "{$namespace}-{$matches[1]}"] = $matches[2];
$attributeLevel = $level - (empty($namespace) ? 1 : 2);
} else {
// Check for attribute namespace
if (preg_match('/^' . preg_quote(self::TOKEN_ATTRIBUTE_NAMESPACE) . '(.+)/', $cleaned, $matches)) {
$namespace = $matches[1];
$namespaceLevel = $level;
} else {
// Check for comment
if (preg_match('|^' . preg_quote(self::TOKEN_COMMENT) . '|', $cleaned)) {
$stop = true;
} else {
$stop = false;
$namespace = null;
}
}
}
}
}
// Remove blank lines
if (empty($cleaned) || $stop) {
continue;
}
// Assign attributes
if (!empty($attributes) && $last[$attributeLevel] instanceof SassElement) {
foreach ($attributes as $name => $value) {
$last[$attributeLevel]->setAttribute($name, $value);
}
$attributeLevel = 0;
$attributes = array();
}
// Get parent element
$parent = $last[$level - 1];
// Create new element
$element = new SassElement($parent, $cleaned);
// Mark as parent
$last[$level] = $element;
if ($level == 0) {
$this->addElement($element);
}
}
// Assign attributes
if (!empty($attributes) && $last[$attributeLevel] instanceof SassElement) {
foreach ($attributes as $name => $value) {
$last[$attributeLevel]->setAttribute($name, $value);
}
$attributeLevel = 0;
$attributes = array();
}
// END: Flat to tree structure
// Render to CSS
return $cache->setCached(SassRenderer::getInstance($this->getElements(), $this->getRenderer())->render())->cacheIt()->getCached();
} else {
return $cache->getCached();
}
}
/**
* Renders a property.
* @param SassNode the node being rendered
* @return string the rendered property
*/
public function renderProperty($node)
{
return self::INDENT . ($node->inDirective() ? self::INDENT : '') . parent::renderProperty($node);
}