libphonenumber\PhoneNumberMatcher::parseAndVerify()

Complexity

Conditions	13
Paths	60

Size

Total Lines	48
Code Lines	24

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	21
CRAP Score	13

Importance

Changes

0

<?php
    protected function parseAndVerify($candidate, $offset)
    {
        try {
            // Check the candidate doesn't contain any formatting which would indicate that it really
            // isn't a phone number
            $matchingBracketsMatcher = new Matcher(static::$matchingBrackets, $candidate);
            $pubPagesMatcher = new Matcher(static::$pubPages, $candidate);
            if (!$matchingBracketsMatcher->matches() || $pubPagesMatcher->find()) {
                return null;
            }

            // If leniency is set to VALID or stricter, we also want to skip numbers that are surrounded
            // by Latin alphabetic characters, to skip cases like abc8005001234 or 8005001234def.
            if ($this->leniency->compareTo(Leniency::VALID()) >= 0) {
                // If the candidate is not at the start of the text, and does not start with phone-number
                // punctuation, check the previous character.
                $leadClassMatcher = new Matcher(static::$leadClass, $candidate);
                if ($offset > 0 && !$leadClassMatcher->lookingAt()) {
                    $previousChar = mb_substr($this->text, $offset - 1, 1);
                    // We return null if it is a latin letter or an invalid punctuation symbol.
                    if (static::isInvalidPunctuationSymbol($previousChar) || static::isLatinLetter($previousChar)) {
                        return null;
                    }
                }
                $lastCharIndex = $offset + mb_strlen($candidate);
                if ($lastCharIndex < mb_strlen($this->text)) {
                    $nextChar = mb_substr($this->text, $lastCharIndex, 1);
                    if (static::isInvalidPunctuationSymbol($nextChar) || static::isLatinLetter($nextChar)) {
                        return null;
                    }
                }
            }

            $number = $this->phoneUtil->parseAndKeepRawInput($candidate, $this->preferredRegion);

            if ($this->leniency->verify($number, $candidate, $this->phoneUtil)) {
                // We used parseAndKeepRawInput to create this number, but for now we don't return the extra
                // values parsed. TODO: stop clearing all values here and switch all users over
                // to using rawInput() rather than the rawString() of PhoneNumberMatch
                $number->clearCountryCodeSource();
                $number->clearRawInput();
                $number->clearPreferredDomesticCarrierCode();
                return new PhoneNumberMatch($offset, $candidate, $number);
            }
        } catch (NumberParseException $e) {
            // ignore and continue
        }
        return null;
    }