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<?php
namespace Sabberworm\CSS;
use Sabberworm\CSS\CSSList\Document;
use Sabberworm\CSS\Parsing\ParserState;
use Sabberworm\CSS\Parsing\SourceException;
/**
* This class parses CSS from text into a data structure.
*/
class Parser
{
/**
* @var ParserState
*/
private $oParserState;
/**
* @param string $sText the complete CSS as text (i.e., usually the contents of a CSS file)
* @param Settings|null $oParserSettings
* @param int $iLineNo the line number (starting from 1, not from 0)
*/
public function __construct($sText, Settings $oParserSettings = null, $iLineNo = 1)
{
if ($oParserSettings === null) {
$oParserSettings = Settings::create();
}
$this->oParserState = new ParserState($sText, $oParserSettings, $iLineNo);
}
/**
* Sets the charset to be used if the CSS does not contain an `@charset` declaration.
*
* @param string $sCharset
*
* @return void
*/
public function setCharset($sCharset)
{
$this->oParserState->setCharset($sCharset);
}
/**
* Returns the charset that is used if the CSS does not contain an `@charset` declaration.
*
* @return void
*/
public function getCharset()
{
// Note: The `return` statement is missing here. This is a bug that needs to be fixed.
$this->oParserState->getCharset();
}
/**
* Parses the CSS provided to the constructor and creates a `Document` from it.
*
* @return Document
*
* @throws SourceException
*/
public function parse()
{
return Document::parse($this->oParserState);
}
}