TechWilk\BibleVerseParser\BiblePassageParser::parse()

Complexity

Conditions	11
Paths	16

Size

Total Lines	57
Code Lines	37

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

<?php
    public function parse(string $versesString): array
    {
        $sections = explode('&', $versesString);

        $verses = [];
        $book = '';
        $chapter = '';
        foreach ($sections as $section) {
            $innerSections = explode(',', $section);
            foreach ($innerSections as $innerSection) {
                $result = preg_match(
                    '/^\\s*((?:[0-9]+\\s+)?[^0-9]+)?([0-9]+)?(?:\\s*[\\. \\:v]\\s*([0-9\\-]+(?:end)?))?\\s*$/',
                    $innerSection,
                    $matches
                );
                if (!$result) {
                    throw new UnableToParseException('Unable to parse verse');
                }

                if (
                    !array_key_exists(1, $matches)
                    && !array_key_exists(2, $matches)
                    && !array_key_exists(3, $matches)
                ) {
                    throw new UnableToParseException('Unable to parse verse');
                }

                $matches[1] = trim($matches[1] ?? '');
                if ('' !== $matches[1]) {
                    $book = $matches[1];
                    $chapter = '';
                }

                $matches[2] = trim($matches[2] ?? '');
                if ('' !== $matches[2]) {
                    $chapter = $matches[2];
                }

                $verse = '';
                $matches[3] = trim($matches[3] ?? '');
                if ('' !== $matches[3]) {
                    if ('' === $chapter) {
                        $chapter = $matches[3];
                    } else {
                        $verse = $matches[3];
                    }
                }

                $verses[] = new BiblePassage(
                    $book,
                    $chapter,
                    $verse
                );
            }
        }

        return $verses;
    }