Dompdf

2025-06-04 12:02:09 -06:00
parent 3a01c24bf5
commit bf3c2d19a3
311 changed files with 153541 additions and 69 deletions
--- a/vendor/sabberworm/php-css-parser/src/Value/CalcFunction.php
+++ b/vendor/sabberworm/php-css-parser/src/Value/CalcFunction.php
@@ -0,0 +1,115 @@
+<?php
+
+namespace Sabberworm\CSS\Value;
+
+use Sabberworm\CSS\Parsing\ParserState;
+use Sabberworm\CSS\Parsing\UnexpectedEOFException;
+use Sabberworm\CSS\Parsing\UnexpectedTokenException;
+
+/**
+ * Support for `-webkit-calc` and `-moz-calc` is deprecated in version 8.8.0, and will be removed in version 9.0.0.
+ */
+class CalcFunction extends CSSFunction
+{
+    /**
+     * @var int
+     *
+     * @internal
+     */
+    const T_OPERAND = 1;
+
+    /**
+     * @var int
+     *
+     * @internal
+     */
+    const T_OPERATOR = 2;
+
+    /**
+     * @param ParserState $oParserState
+     * @param bool $bIgnoreCase
+     *
+     * @return CalcFunction
+     *
+     * @throws UnexpectedTokenException
+     * @throws UnexpectedEOFException
+     *
+     * @internal since V8.8.0
+     */
+    public static function parse(ParserState $oParserState, $bIgnoreCase = false)
+    {
+        $aOperators = ['+', '-', '*', '/'];
+        $sFunction = $oParserState->parseIdentifier();
+        if ($oParserState->peek() != '(') {
+            // Found ; or end of line before an opening bracket
+            throw new UnexpectedTokenException('(', $oParserState->peek(), 'literal', $oParserState->currentLine());
+        } elseif (!in_array($sFunction, ['calc', '-moz-calc', '-webkit-calc'])) {
+            // Found invalid calc definition. Example calc (...
+            throw new UnexpectedTokenException('calc', $sFunction, 'literal', $oParserState->currentLine());
+        }
+        $oParserState->consume('(');
+        $oCalcList = new CalcRuleValueList($oParserState->currentLine());
+        $oList = new RuleValueList(',', $oParserState->currentLine());
+        $iNestingLevel = 0;
+        $iLastComponentType = null;
+        while (!$oParserState->comes(')') || $iNestingLevel > 0) {
+            if ($oParserState->isEnd() && $iNestingLevel === 0) {
+                break;
+            }
+
+            $oParserState->consumeWhiteSpace();
+            if ($oParserState->comes('(')) {
+                $iNestingLevel++;
+                $oCalcList->addListComponent($oParserState->consume(1));
+                $oParserState->consumeWhiteSpace();
+                continue;
+            } elseif ($oParserState->comes(')')) {
+                $iNestingLevel--;
+                $oCalcList->addListComponent($oParserState->consume(1));
+                $oParserState->consumeWhiteSpace();
+                continue;
+            }
+            if ($iLastComponentType != CalcFunction::T_OPERAND) {
+                $oVal = Value::parsePrimitiveValue($oParserState);
+                $oCalcList->addListComponent($oVal);
+                $iLastComponentType = CalcFunction::T_OPERAND;
+            } else {
+                if (in_array($oParserState->peek(), $aOperators)) {
+                    if (($oParserState->comes('-') || $oParserState->comes('+'))) {
+                        if (
+                            $oParserState->peek(1, -1) != ' '
+                            || !($oParserState->comes('- ')
+                                || $oParserState->comes('+ '))
+                        ) {
+                            throw new UnexpectedTokenException(
+                                " {$oParserState->peek()} ",
+                                $oParserState->peek(1, -1) . $oParserState->peek(2),
+                                'literal',
+                                $oParserState->currentLine()
+                            );
+                        }
+                    }
+                    $oCalcList->addListComponent($oParserState->consume(1));
+                    $iLastComponentType = CalcFunction::T_OPERATOR;
+                } else {
+                    throw new UnexpectedTokenException(
+                        sprintf(
+                            'Next token was expected to be an operand of type %s. Instead "%s" was found.',
+                            implode(', ', $aOperators),
+                            $oParserState->peek()
+                        ),
+                        '',
+                        'custom',
+                        $oParserState->currentLine()
+                    );
+                }
+            }
+            $oParserState->consumeWhiteSpace();
+        }
+        $oList->addListComponent($oCalcList);
+        if (!$oParserState->isEnd()) {
+            $oParserState->consume(')');
+        }
+        return new CalcFunction($sFunction, $oList, ',', $oParserState->currentLine());
+    }
+}