Warning: session_start(): Session cannot be started after headers have already been sent in /home/tvrreohg/public_html/manga.php on line 13
*/
public function getAllDeclarationBlocks(): array
{
$result = [];
foreach ($this->contents as $item) {
if ($item instanceof DeclarationBlock) {
$result[] = $item;
} elseif ($item instanceof CSSBlockList) {
$result = \array_merge($result, $item->getAllDeclarationBlocks());
}
}
return $result;
}
/**
* Returns all `RuleSet` objects recursively found in the tree, no matter how deeply nested the rule sets are.
*
* @return list
*/
public function getAllRuleSets(): array
{
$result = [];
foreach ($this->contents as $item) {
if ($item instanceof RuleSet) {
$result[] = $item;
} elseif ($item instanceof CSSBlockList) {
$result = \array_merge($result, $item->getAllRuleSets());
} elseif ($item instanceof DeclarationBlock) {
$result[] = $item->getRuleSet();
}
}
return $result;
}
/**
* Returns all `Value` objects found recursively in `Declaration`s in the tree.
*
* @param CSSElement|null $element
* This is the `CSSList` or `RuleSet` to start the search from (defaults to the whole document).
* @param string|null $ruleSearchPattern
* This allows filtering rules by property name
* (e.g. if "color" is passed, only `Value`s from `color` properties will be returned,
* or if "font-" is provided, `Value`s from all font rules, like `font-size`, and including `font` itself,
* will be returned).
* @param bool $searchInFunctionArguments whether to also return `Value` objects used as `CSSFunction` arguments.
*
* @return list
*
* @see RuleSet->getRules()
*/
public function getAllValues(
?CSSElement $element = null,
?string $ruleSearchPattern = null,
bool $searchInFunctionArguments = false
): array {
$element = $element ?? $this;
$result = [];
if ($element instanceof CSSBlockList) {
foreach ($element->getContents() as $contentItem) {
// Statement at-rules are skipped since they do not contain values.
if ($contentItem instanceof CSSElement) {
$result = \array_merge(
$result,
$this->getAllValues($contentItem, $ruleSearchPattern, $searchInFunctionArguments)
);
}
}
} elseif ($element instanceof DeclarationList) {
foreach ($element->getRules($ruleSearchPattern) as $rule) {
$result = \array_merge(
$result,
$this->getAllValues($rule, $ruleSearchPattern, $searchInFunctionArguments)
);
}
} elseif ($element instanceof Declaration) {
$value = $element->getValue();
// `string` values are discarded.
if ($value instanceof CSSElement) {
$result = \array_merge(
$result,
$this->getAllValues($value, $ruleSearchPattern, $searchInFunctionArguments)
);
}
} elseif ($element instanceof ValueList) {
if ($searchInFunctionArguments || !($element instanceof CSSFunction)) {
foreach ($element->getListComponents() as $component) {
// `string` components are discarded.
if ($component instanceof CSSElement) {
$result = \array_merge(
$result,
$this->getAllValues($component, $ruleSearchPattern, $searchInFunctionArguments)
);
}
}
}
} elseif ($element instanceof Value) {
$result[] = $element;
}
return $result;
}
/**
* @return list
*/
protected function getAllSelectors(?string $specificitySearch = null): array
{
$result = [];
foreach ($this->getAllDeclarationBlocks() as $declarationBlock) {
foreach ($declarationBlock->getSelectors() as $selector) {
if ($specificitySearch === null) {
$result[] = $selector;
} else {
$comparator = '===';
$expressionParts = \explode(' ', $specificitySearch);
$targetSpecificity = $expressionParts[0];
if (\count($expressionParts) > 1) {
$comparator = $expressionParts[0];
$targetSpecificity = $expressionParts[1];
}
$targetSpecificity = (int) $targetSpecificity;
$selectorSpecificity = $selector->getSpecificity();
switch ($comparator) {
case '<=':
$comparatorMatched = $selectorSpecificity <= $targetSpecificity;
break;
case '<':
$comparatorMatched = $selectorSpecificity < $targetSpecificity;
break;
case '>=':
$comparatorMatched = $selectorSpecificity >= $targetSpecificity;
break;
case '>':
$comparatorMatched = $selectorSpecificity > $targetSpecificity;
break;
default:
$comparatorMatched = $selectorSpecificity === $targetSpecificity;
break;
}
if ($comparatorMatched) {
$result[] = $selector;
}
}
}
}
return $result;
}
}