84 lines
2.0 KiB
PHP
84 lines
2.0 KiB
PHP
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<?php
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declare(strict_types=1);
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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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/**
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* This class represents URLs in CSS. `URL`s always output in `URL("")` notation.
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*/
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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 $url;
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/**
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* @param int<1, max>|null $lineNumber
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*/
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public function __construct(CSSString $url, ?int $lineNumber = null)
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{
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parent::__construct($lineNumber);
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$this->url = $url;
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}
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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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* @internal since V8.8.0
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*/
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public static function parse(ParserState $parserState): URL
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{
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$anchor = $parserState->anchor();
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$identifier = '';
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for ($i = 0; $i < 3; $i++) {
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$character = $parserState->parseCharacter(true);
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if ($character === null) {
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break;
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}
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$identifier .= $character;
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}
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$useUrl = $parserState->streql($identifier, 'url');
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if ($useUrl) {
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$parserState->consumeWhiteSpace();
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$parserState->consume('(');
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} else {
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$anchor->backtrack();
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}
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$parserState->consumeWhiteSpace();
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$result = new URL(CSSString::parse($parserState), $parserState->currentLine());
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if ($useUrl) {
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$parserState->consumeWhiteSpace();
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$parserState->consume(')');
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}
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return $result;
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}
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public function setURL(CSSString $url): void
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{
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$this->url = $url;
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}
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public function getURL(): CSSString
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{
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return $this->url;
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}
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/**
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* @return non-empty-string
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*/
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public function render(OutputFormat $outputFormat): string
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{
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return "url({$this->url->render($outputFormat)})";
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}
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}
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