League\CommonMark\Parser\InlineParserEngine::parse()

Complexity

Conditions	8
Paths	28

Size

Total Lines	53
Code Lines	26

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	26
CRAP Score	8

Importance

Changes

0

<?php
    public function parse(string $contents, AbstractBlock $block): void
    {
        $contents = \trim($contents);
        $cursor   = new Cursor($contents);

        $inlineParserContext = new InlineParserContext($cursor, $block, $this->referenceMap);

        // Have all parsers look at the line to determine what they might want to parse and what positions they exist at
        foreach ($this->matchParsers($contents) as $matchPosition => $parsers) {
            $currentPosition = $cursor->getPosition();
            // We've already gone past this point
            if ($currentPosition > $matchPosition) {
                continue;
            }

            // We've skipped over some uninteresting text that should be added as a plain text node
            if ($currentPosition < $matchPosition) {
                $cursor->advanceBy($matchPosition - $currentPosition);
                $this->addPlainText($cursor->getPreviousText(), $block);
            }

            // We're now at a potential start - see which of the current parsers can handle it
            $parsed = false;
            foreach ($parsers as [$parser, $matches]) {
                \assert($parser instanceof InlineParserInterface);
                if ($parser->parse($inlineParserContext->withMatches($matches))) {
                    // A parser has successfully handled the text at the given position; don't consider any others at this position
                    $parsed = true;
                    break;
                }
            }

            if ($parsed) {
                continue;
            }

            // Despite potentially being interested, nothing actually parsed text here, so add the current character and continue onwards
            $this->addPlainText((string) $cursor->getCharacter(), $block);
            $cursor->advance();
        }

        // Add any remaining text that wasn't parsed
        if (! $cursor->isAtEnd()) {
            $this->addPlainText($cursor->getRemainder(), $block);
        }

        // Process any delimiters that were found
        $delimiterStack = $inlineParserContext->getDelimiterStack();
        $delimiterStack->processDelimiters(null, $this->environment->getDelimiterProcessors());
        $delimiterStack->removeAll();

        // Combine adjacent text notes into one
        AdjacentTextMerger::mergeChildNodes($block);
    }