← All changes | back/Libraries/Sabberworm/CSS/src/Value/CSSString.php +95 -0 10.1.0 → 11.1.0 View file →

		@@ -1,0 +1,95 @@
	1	+<?php
	2	+
	3	+declare(strict_types=1);
	4	+
	5	+namespace AcyMailing\Libraries\Sabberworm\CSS\Value;
	6	+
	7	+use AcyMailing\Libraries\Sabberworm\CSS\OutputFormat;
	8	+use AcyMailing\Libraries\Sabberworm\CSS\Parsing\ParserState;
	9	+use AcyMailing\Libraries\Sabberworm\CSS\Parsing\SourceException;
	10	+use AcyMailing\Libraries\Sabberworm\CSS\Parsing\UnexpectedEOFException;
	11	+use AcyMailing\Libraries\Sabberworm\CSS\Parsing\UnexpectedTokenException;
	12	+
	13	+/**
	14	+ * This class is a wrapper for quoted strings to distinguish them from keywords.
	15	+ *
	16	+ * `CSSString`s always output with double quotes.
	17	+ */
	18	+class CSSString extends PrimitiveValue
	19	+{
	20	+ /**
	21	+ * @var string
	22	+ */
	23	+ private $string;
	24	+
	25	+ /**
	26	+ * @param int<1, max>|null $lineNumber
	27	+ */
	28	+ public function __construct(string $string, ?int $lineNumber = null)
	29	+ {
	30	+ $this->string = $string;
	31	+ parent::__construct($lineNumber);
	32	+ }
	33	+
	34	+ /**
	35	+ * @throws SourceException
	36	+ * @throws UnexpectedEOFException
	37	+ * @throws UnexpectedTokenException
	38	+ *
	39	+ * @internal since V8.8.0
	40	+ */
	41	+ public static function parse(ParserState $parserState): CSSString
	42	+ {
	43	+ $begin = $parserState->peek();
	44	+ $quote = null;
	45	+ if ($begin === "'") {
	46	+ $quote = "'";
	47	+ } elseif ($begin === '"') {
	48	+ $quote = '"';
	49	+ }
	50	+ if ($quote !== null) {
	51	+ $parserState->consume($quote);
	52	+ }
	53	+ $result = '';
	54	+ $content = null;
	55	+ if ($quote === null) {
	56	+ // Unquoted strings end in whitespace or with braces, brackets, parentheses
	57	+ while (\preg_match('/[\\s{}()<>\\[\\]]/isu', $parserState->peek()) !== 1) {
	58	+ $result .= $parserState->parseCharacter(false);
	59	+ }
	60	+ } else {
	61	+ while (!$parserState->comes($quote)) {
	62	+ $content = $parserState->parseCharacter(false);
	63	+ if ($content === null) {
	64	+ throw new SourceException(
	65	+ "Non-well-formed quoted string {$parserState->peek(3)}",
	66	+ $parserState->currentLine()
	67	+ );
	68	+ }
	69	+ $result .= $content;
	70	+ }
	71	+ $parserState->consume($quote);
	72	+ }
	73	+ return new CSSString($result, $parserState->currentLine());
	74	+ }
	75	+
	76	+ public function setString(string $string): void
	77	+ {
	78	+ $this->string = $string;
	79	+ }
	80	+
	81	+ public function getString(): string
	82	+ {
	83	+ return $this->string;
	84	+ }
	85	+
	86	+ /**
	87	+ * @return non-empty-string
	88	+ */
	89	+ public function render(OutputFormat $outputFormat): string
	90	+ {
	91	+ $string = \addslashes($this->string);
	92	+ $string = \str_replace("\n", '\\A', $string);
	93	+ return $outputFormat->getStringQuotingType() . $string . $outputFormat->getStringQuotingType();
	94	+ }
	95	+}