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* update metadata * revert dependency validator * refactor * use record
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,68 +1,34 @@ | ||
| import 'dart:math'; | ||
|
|
||
| import 'package:phone_numbers_parser/phone_numbers_parser.dart'; | ||
| import 'package:phone_numbers_parser/src/constants/constants.dart'; | ||
| import 'package:phone_numbers_parser/src/models/phone_number_exceptions.dart'; | ||
| import 'package:phone_numbers_parser/src/metadata/metadata_finder.dart'; | ||
|
|
||
| import '_text_parser.dart'; | ||
|
|
||
| abstract class CountryCodeParser { | ||
| /// normalize a country calling code to return only digits | ||
| static String normalizeCountryCode(String countryCode) { | ||
| countryCode = TextParser.normalize(countryCode); | ||
|
|
||
| if (countryCode.startsWith('+')) { | ||
| countryCode = countryCode.replaceFirst('+', ''); | ||
| } | ||
| // country code don't start with zero | ||
| if (countryCode.startsWith('0')) { | ||
| throw PhoneNumberException( | ||
| code: Code.invalidCountryCallingCode, | ||
| description: | ||
| 'country calling code do not start with 0, was $countryCode'); | ||
| } | ||
| if (int.tryParse(countryCode) == null) { | ||
| throw PhoneNumberException( | ||
| code: Code.invalidCountryCallingCode, | ||
| description: 'country calling code must be digits, was $countryCode. ' | ||
| 'Maybe you wanted to parseWithIsoCode ?'); | ||
| } | ||
| if (countryCode.length < Constants.minLengthCountryCallingCode || | ||
| countryCode.length > Constants.maxLengthCountryCallingCode) { | ||
| throw PhoneNumberException( | ||
| code: Code.invalidCountryCallingCode, | ||
| description: | ||
| 'country calling code has an invalid length, was $countryCode'); | ||
| } | ||
| return countryCode; | ||
| } | ||
|
|
||
| /// tries to find a country calling code at the start of a phone number | ||
| static String extractCountryCode(String phoneNumber) { | ||
| final maxLength = | ||
| min(phoneNumber.length, Constants.maxLengthCountryCallingCode); | ||
| var potentialCountryCode = phoneNumber.substring(0, maxLength); | ||
| potentialCountryCode = normalizeCountryCode(potentialCountryCode); | ||
| static (String countryCode, String nsn) extractCountryCode( | ||
| String phoneNumber, | ||
| ) { | ||
| final maxCountryCodeLength = min( | ||
| phoneNumber.length, | ||
| Constants.maxLengthCountryCallingCode, | ||
| ); | ||
| var potentialCountryCode = phoneNumber.substring(0, maxCountryCodeLength); | ||
|
|
||
| for (var i = 1; i <= potentialCountryCode.length; i++) { | ||
| try { | ||
| final potentialCountryCodeFit = potentialCountryCode.substring(0, i); | ||
| MetadataFinder.getMetadatasForCountryCode(potentialCountryCodeFit); | ||
| return potentialCountryCodeFit; | ||
| // ignore: empty_catches | ||
| } catch (e) {} | ||
| final potentialCountryCodeFit = potentialCountryCode.substring(0, i); | ||
| final nsn = phoneNumber.substring(i); | ||
| final countryMetadata = MetadataFinder.findMetadataForCountryCode( | ||
| potentialCountryCodeFit, | ||
| nsn, | ||
| ); | ||
| if (countryMetadata != null) { | ||
| return (countryMetadata.countryCode, nsn); | ||
| } | ||
| } | ||
| throw PhoneNumberException( | ||
| code: Code.notFound, | ||
| description: | ||
| 'country calling code not found in phone number $phoneNumber'); | ||
| } | ||
|
|
||
| // removes the country code at the start of a phone number | ||
| static String removeCountryCode(String phoneNumber, String countryCode) { | ||
| if (phoneNumber.startsWith(countryCode)) { | ||
| return phoneNumber.substring(countryCode.length); | ||
| } | ||
| return phoneNumber; | ||
| } | ||
| } |
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