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<?php
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namespace Sabberworm\CSS\Value;
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use Sabberworm\CSS\OutputFormat;
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use Sabberworm\CSS\Parsing\ParserState;
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use Sabberworm\CSS\Parsing\SourceException;
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use Sabberworm\CSS\Parsing\UnexpectedEOFException;
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use Sabberworm\CSS\Parsing\UnexpectedTokenException;
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class URL extends PrimitiveValue
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{
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    /**
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     * @var CSSString
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     */
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    private $oURL;
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    /**
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     * @param int $iLineNo
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     */
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    public function __construct(CSSString $oURL, $iLineNo = 0)
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    {
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        parent::__construct($iLineNo);
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        $this->oURL = $oURL;
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    }
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    /**
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     * @return URL
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     *
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     * @throws SourceException
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     * @throws UnexpectedEOFException
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     * @throws UnexpectedTokenException
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     */
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    public static function parse(ParserState $oParserState)
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    {
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        $bUseUrl = $oParserState->comes('url', true);
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        if ($bUseUrl) {
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            $oParserState->consume('url');
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            $oParserState->consumeWhiteSpace();
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            $oParserState->consume('(');
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        }
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        $oParserState->consumeWhiteSpace();
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        $oResult = new URL(CSSString::parse($oParserState), $oParserState->currentLine());
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        if ($bUseUrl) {
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            $oParserState->consumeWhiteSpace();
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            $oParserState->consume(')');
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        }
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        return $oResult;
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    }
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    /**
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     * @return void
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     */
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    public function setURL(CSSString $oURL)
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    {
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        $this->oURL = $oURL;
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    }
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    /**
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     * @return CSSString
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     */
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    public function getURL()
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    {
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        return $this->oURL;
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    }
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    /**
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     * @return string
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     */
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    public function __toString()
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    {
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        return $this->render(new OutputFormat());
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    }
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    /**
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     * @return string
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     */
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    public function render(OutputFormat $oOutputFormat)
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    {
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        return "url({$this->oURL->render($oOutputFormat)})";
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    }
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}