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<?php
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namespace Sabberworm\CSS;
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use Sabberworm\CSS\CSSList\Document;
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use Sabberworm\CSS\Parsing\ParserState;
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use Sabberworm\CSS\Parsing\SourceException;
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/**
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 * This class parses CSS from text into a data structure.
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 */
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class Parser
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{
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    /**
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     * @var ParserState
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     */
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    private $oParserState;
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    /**
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     * @param string $sText
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     * @param Settings|null $oParserSettings
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     * @param int $iLineNo the line number (starting from 1, not from 0)
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     */
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    public function __construct($sText, Settings $oParserSettings = null, $iLineNo = 1)
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    {
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        if ($oParserSettings === null) {
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            $oParserSettings = Settings::create();
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        }
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        $this->oParserState = new ParserState($sText, $oParserSettings, $iLineNo);
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    }
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    /**
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     * @param string $sCharset
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     *
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     * @return void
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     */
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    public function setCharset($sCharset)
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    {
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        $this->oParserState->setCharset($sCharset);
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    }
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    /**
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     * @return void
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     */
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    public function getCharset()
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    {
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        // Note: The `return` statement is missing here. This is a bug that needs to be fixed.
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        $this->oParserState->getCharset();
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    }
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    /**
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     * @return Document
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     *
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     * @throws SourceException
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     */
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    public function parse()
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    {
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        return Document::parse($this->oParserState);
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    }
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}