Viewing file:  CSSFunction.php (2.82 KB) -rw-r--r--
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<?php
namespace Sabberworm\CSS\Value;
use Sabberworm\CSS\OutputFormat;
use Sabberworm\CSS\Parsing\ParserState;
use Sabberworm\CSS\Parsing\SourceException;
use Sabberworm\CSS\Parsing\UnexpectedEOFException;
use Sabberworm\CSS\Parsing\UnexpectedTokenException;
/**
* A `CSSFunction` represents a special kind of value that also contains a function name and where the values are the
* function’s arguments. It also handles equals-sign-separated argument lists like `filter: alpha(opacity=90);`.
*/
class CSSFunction extends ValueList
{
/**
* @var string
*
* @internal since 8.8.0
*/
protected $sName;
/**
* @param string $sName
* @param RuleValueList|array<int, RuleValueList|CSSFunction|CSSString|LineName|Size|URL|string> $aArguments
* @param string $sSeparator
* @param int $iLineNo
*/
public function __construct($sName, $aArguments, $sSeparator = ',', $iLineNo = 0)
{
if ($aArguments instanceof RuleValueList) {
$sSeparator = $aArguments->getListSeparator();
$aArguments = $aArguments->getListComponents();
}
$this->sName = $sName;
$this->iLineNo = $iLineNo;
parent::__construct($aArguments, $sSeparator, $iLineNo);
}
/**
* @param ParserState $oParserState
* @param bool $bIgnoreCase
*
* @return CSSFunction
*
* @throws SourceException
* @throws UnexpectedEOFException
* @throws UnexpectedTokenException
*
* @internal since V8.8.0
*/
public static function parse(ParserState $oParserState, $bIgnoreCase = false)
{
$mResult = $oParserState->parseIdentifier($bIgnoreCase);
$oParserState->consume('(');
$aArguments = Value::parseValue($oParserState, ['=', ' ', ',']);
$mResult = new CSSFunction($mResult, $aArguments, ',', $oParserState->currentLine());
$oParserState->consume(')');
return $mResult;
}
/**
* @return string
*/
public function getName()
{
return $this->sName;
}
/**
* @param string $sName
*
* @return void
*/
public function setName($sName)
{
$this->sName = $sName;
}
/**
* @return array<int, RuleValueList|CSSFunction|CSSString|LineName|Size|URL|string>
*/
public function getArguments()
{
return $this->aComponents;
}
/**
* @return string
*
* @deprecated in V8.8.0, will be removed in V9.0.0. Use `render` instead.
*/
public function __toString()
{
return $this->render(new OutputFormat());
}
/**
* @param OutputFormat|null $oOutputFormat
*
* @return string
*/
public function render($oOutputFormat)
{
$aArguments = parent::render($oOutputFormat);
return "{$this->sName}({$aArguments})";
}
}
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