MDL-65759 library: Update php-css-parser to 8.3.0
[moodle.git] / lib / php-css-parser / Value / CSSString.php
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1<?php
2
3namespace Sabberworm\CSS\Value;
4
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5use Sabberworm\CSS\Parsing\ParserState;
6use Sabberworm\CSS\Parsing\SourceException;
7
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8class CSSString extends PrimitiveValue {
9
10 private $sString;
11
12 public function __construct($sString, $iLineNo = 0) {
13 $this->sString = $sString;
14 parent::__construct($iLineNo);
15 }
16
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17 public static function parse(ParserState $oParserState) {
18 $sBegin = $oParserState->peek();
19 $sQuote = null;
20 if ($sBegin === "'") {
21 $sQuote = "'";
22 } else if ($sBegin === '"') {
23 $sQuote = '"';
24 }
25 if ($sQuote !== null) {
26 $oParserState->consume($sQuote);
27 }
28 $sResult = "";
29 $sContent = null;
30 if ($sQuote === null) {
31 // Unquoted strings end in whitespace or with braces, brackets, parentheses
32 while (!preg_match('/[\\s{}()<>\\[\\]]/isu', $oParserState->peek())) {
33 $sResult .= $oParserState->parseCharacter(false);
34 }
35 } else {
36 while (!$oParserState->comes($sQuote)) {
37 $sContent = $oParserState->parseCharacter(false);
38 if ($sContent === null) {
39 throw new SourceException("Non-well-formed quoted string {$oParserState->peek(3)}", $oParserState->currentLine());
40 }
41 $sResult .= $sContent;
42 }
43 $oParserState->consume($sQuote);
44 }
45 return new CSSString($sResult, $oParserState->currentLine());
46 }
47
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48 public function setString($sString) {
49 $this->sString = $sString;
50 }
51
52 public function getString() {
53 return $this->sString;
54 }
55
56 public function __toString() {
57 return $this->render(new \Sabberworm\CSS\OutputFormat());
58 }
59
60 public function render(\Sabberworm\CSS\OutputFormat $oOutputFormat) {
61 $sString = addslashes($this->sString);
62 $sString = str_replace("\n", '\A', $sString);
63 return $oOutputFormat->getStringQuotingType() . $sString . $oOutputFormat->getStringQuotingType();
64 }
65
66}