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third-party
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vendor
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sabberworm
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php-css-parser
/
src
/
Value
/
CalcFunction.php
CSSFunction.php
5 days ago
CSSString.php
5 days ago
CalcFunction.php
5 days ago
CalcRuleValueList.php
5 days ago
Color.php
5 days ago
LineName.php
5 days ago
PrimitiveValue.php
5 days ago
RuleValueList.php
5 days ago
Size.php
5 days ago
URL.php
5 days ago
Value.php
5 days ago
ValueList.php
5 days ago
CalcFunction.php
85 lines
| 1 | <?php |
| 2 | |
| 3 | declare (strict_types=1); |
| 4 | namespace ProfilePressVendor\Sabberworm\CSS\Value; |
| 5 | |
| 6 | use ProfilePressVendor\Sabberworm\CSS\Parsing\ParserState; |
| 7 | use ProfilePressVendor\Sabberworm\CSS\Parsing\UnexpectedEOFException; |
| 8 | use ProfilePressVendor\Sabberworm\CSS\Parsing\UnexpectedTokenException; |
| 9 | use function ProfilePressVendor\Safe\preg_match; |
| 10 | class CalcFunction extends CSSFunction |
| 11 | { |
| 12 | private const T_OPERAND = 1; |
| 13 | private const T_OPERATOR = 2; |
| 14 | /** |
| 15 | * @throws UnexpectedTokenException |
| 16 | * @throws UnexpectedEOFException |
| 17 | * |
| 18 | * @internal since V8.8.0 |
| 19 | */ |
| 20 | public static function parse(ParserState $parserState, bool $ignoreCase = \false): CSSFunction |
| 21 | { |
| 22 | $operators = ['+', '-', '*', '/']; |
| 23 | $function = $parserState->parseIdentifier(); |
| 24 | if ($parserState->peek() !== '(') { |
| 25 | // Found ; or end of line before an opening bracket |
| 26 | throw new UnexpectedTokenException('(', $parserState->peek(), 'literal', $parserState->currentLine()); |
| 27 | } elseif ($function !== 'calc') { |
| 28 | // Found invalid calc definition. Example calc (... |
| 29 | throw new UnexpectedTokenException('calc', $function, 'literal', $parserState->currentLine()); |
| 30 | } |
| 31 | $parserState->consume('('); |
| 32 | $calcRuleValueList = new CalcRuleValueList($parserState->currentLine()); |
| 33 | $list = new RuleValueList(',', $parserState->currentLine()); |
| 34 | $nestingLevel = 0; |
| 35 | $lastComponentType = null; |
| 36 | while (!$parserState->comes(')') || $nestingLevel > 0) { |
| 37 | if ($parserState->isEnd() && $nestingLevel === 0) { |
| 38 | break; |
| 39 | } |
| 40 | $parserState->consumeWhiteSpace(); |
| 41 | if ($parserState->comes('(')) { |
| 42 | $nestingLevel++; |
| 43 | $calcRuleValueList->addListComponent($parserState->consume(1)); |
| 44 | $parserState->consumeWhiteSpace(); |
| 45 | continue; |
| 46 | } elseif ($parserState->comes(')')) { |
| 47 | $nestingLevel--; |
| 48 | $calcRuleValueList->addListComponent($parserState->consume(1)); |
| 49 | $parserState->consumeWhiteSpace(); |
| 50 | continue; |
| 51 | } |
| 52 | if ($lastComponentType !== CalcFunction::T_OPERAND) { |
| 53 | $value = Value::parsePrimitiveValue($parserState); |
| 54 | $calcRuleValueList->addListComponent($value); |
| 55 | $lastComponentType = CalcFunction::T_OPERAND; |
| 56 | } else if (\in_array($parserState->peek(), $operators, \true)) { |
| 57 | if ($parserState->comes('-') || $parserState->comes('+')) { |
| 58 | if (preg_match('/\s/', $parserState->peek(1, -1)) !== 1 || preg_match('/\s/', $parserState->peek(1, 1)) !== 1) { |
| 59 | throw new UnexpectedTokenException(" {$parserState->peek()} ", $parserState->peek(1, -1) . $parserState->peek(2), 'literal', $parserState->currentLine()); |
| 60 | } |
| 61 | } |
| 62 | $calcRuleValueList->addListComponent($parserState->consume(1)); |
| 63 | $lastComponentType = CalcFunction::T_OPERATOR; |
| 64 | } else { |
| 65 | throw new UnexpectedTokenException(\sprintf('Next token was expected to be an operand of type %s. Instead "%s" was found.', \implode(', ', $operators), $parserState->peek()), '', 'custom', $parserState->currentLine()); |
| 66 | } |
| 67 | $parserState->consumeWhiteSpace(); |
| 68 | } |
| 69 | $list->addListComponent($calcRuleValueList); |
| 70 | if (!$parserState->isEnd()) { |
| 71 | $parserState->consume(')'); |
| 72 | } |
| 73 | return new CalcFunction($function, $list, ',', $parserState->currentLine()); |
| 74 | } |
| 75 | /** |
| 76 | * @return array<string, bool|int|float|string|array<mixed>|null> |
| 77 | * |
| 78 | * @internal |
| 79 | */ |
| 80 | public function getArrayRepresentation(): array |
| 81 | { |
| 82 | throw new \BadMethodCallException('`getArrayRepresentation` is not yet implemented for `' . self::class . '`'); |
| 83 | } |
| 84 | } |
| 85 |