/**
* Prepares everything and inserts inline styles into html
* @param string $html represents html document
* @return string
*/
public function render($html)
{
$this->dom = new \DOMDocument();
$this->dom->loadHTML($html);
$this->finder = new \DOMXPath($this->dom);
$this->css = $this->getCSS();
foreach ($this->css->getAllRuleSets() as $ruleSet) {
$selector = $ruleSet->getSelector();
foreach ($this->finder->evaluate(CssSelector::toXPath($selector[0])) as $node) {
if ($node->getAttribute('style')) {
$node->setAttribute('style', $node->getAttribute('style') . implode(' ', $ruleSet->getRules()));
} else {
$node->setAttribute('style', implode(' ', $ruleSet->getRules()));
}
}
}
return $this->dom->saveHTML();
}
function rtl()
{
$this->remove_direction_neutral_rules();
foreach ($this->document->getAllRuleSets() as $rule_sets) {
/* @var $rule_sets CSS\RuleSet\RuleSet */
foreach ($rule_sets->getRules() as $rule) {
/* @var $rule CSS\Rule\Rule */
$neutral = TRUE;
/* @var $value CSS\Value\RuleValueList */
$value = $rule->getValue();
if ($value instanceof CSS\Value\RuleValueList) {
if ($rule->getRule() == "background" || $rule->getRule() == "background-position") {
$neutral = $this->rtl_background($value);
} elseif ($rule->getRule() == "box-shadow") {
$neutral = $this->rtl_box_shadow($value);
} elseif ($rule->getRule() == "border-radius") {
$neutral = $this->rtl_border_radius_components($value);
} else {
$components = $value->getListComponents();
if (count($components) == 4) {
$neutral = $this->rtl_four_components($value);
}
}
}
/**
* Replace ltr, left to rtl, right both in rule and value
* it must not be replaced in the selectors themeselves
*/
if (is_int(strpos($rule->getRule(), "left")) || is_int(strpos($rule->getRule(), "right"))) {
$neutral = FALSE;
$swaped_rule = str_replace(array("left", "right", "swap"), array("swap", "left", "right"), $rule->getRule());
$current_rules = $rule_sets->getRules($swaped_rule);
$reset_rule = empty($current_rules) ? clone $rule : FALSE;
$rule->setRule($swaped_rule);
// reset the defualt rule to auto if not exists already
if ($reset_rule) {
$reset_value = "initial";
if (is_int(strpos($rule->getRule(), "border-"))) {
$reset_value = "transparent";
}
$reset_rule->setValue($reset_value);
$rule_sets->addRule($reset_rule);
}
}
if (is_int(strpos($rule->getValue(), "left")) || is_int(strpos($rule->getValue(), "right"))) {
$neutral = FALSE;
$rule->setValue(str_replace(array("left", "right", "swap"), array("swap", "left", "right"), $rule->getValue()));
}
if (is_int(strpos($rule->getValue(), "left")) || is_int(strpos($rule->getValue(), "right"))) {
$neutral = FALSE;
$rule->setValue(str_replace(array("ltr", "rtl", "swap"), array("swap", "ltr", "rtl"), $rule->getValue()));
}
if ($neutral) {
$rule_sets->removeRule($rule);
}
}
if (empty($rule_sets->getRules())) {
$this->document->remove($rule_sets);
}
}
$this->remove_empty_rulelist();
}