giggsey /
libphonenumber-for-php
| Total Complexity | 107 |
| Total Lines | 792 |
| Duplicated Lines | 0 % |
| Changes | 0 | ||
Complex classes like BuildMetadataFromXml often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use BuildMetadataFromXml, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 15 | class BuildMetadataFromXml |
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| 16 | { |
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| 17 | // String constants used to fetch the XML nodes and attributes. |
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| 18 | const CARRIER_CODE_FORMATTING_RULE = 'carrierCodeFormattingRule'; |
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| 19 | const COUNTRY_CODE = 'countryCode'; |
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| 20 | const EMERGENCY = 'emergency'; |
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| 21 | const EXAMPLE_NUMBER = 'exampleNumber'; |
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| 22 | const FIXED_LINE = 'fixedLine'; |
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| 23 | const FORMAT = 'format'; |
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| 24 | const GENERAL_DESC = 'generalDesc'; |
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| 25 | const INTERNATIONAL_PREFIX = 'internationalPrefix'; |
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| 26 | const INTL_FORMAT = 'intlFormat'; |
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| 27 | const LEADING_DIGITS = 'leadingDigits'; |
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| 28 | const MOBILE_NUMBER_PORTABLE_REGION = 'mobileNumberPortableRegion'; |
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| 29 | const MAIN_COUNTRY_FOR_CODE = 'mainCountryForCode'; |
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| 30 | const MOBILE = 'mobile'; |
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| 31 | const NATIONAL_NUMBER_PATTERN = 'nationalNumberPattern'; |
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| 32 | const NATIONAL_PREFIX = 'nationalPrefix'; |
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| 33 | const NATIONAL_PREFIX_FORMATTING_RULE = 'nationalPrefixFormattingRule'; |
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| 34 | const NATIONAL_PREFIX_OPTIONAL_WHEN_FORMATTING = 'nationalPrefixOptionalWhenFormatting'; |
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| 35 | const NATIONAL_PREFIX_FOR_PARSING = 'nationalPrefixForParsing'; |
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| 36 | const NATIONAL_PREFIX_TRANSFORM_RULE = 'nationalPrefixTransformRule'; |
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| 37 | const NO_INTERNATIONAL_DIALLING = 'noInternationalDialling'; |
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| 38 | const NUMBER_FORMAT = 'numberFormat'; |
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| 39 | const PAGER = 'pager'; |
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| 40 | const CARRIER_SPECIFIC = 'carrierSpecific'; |
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| 41 | const PATTERN = 'pattern'; |
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| 42 | const PERSONAL_NUMBER = 'personalNumber'; |
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| 43 | const POSSIBLE_LENGTHS = 'possibleLengths'; |
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| 44 | const NATIONAL = 'national'; |
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| 45 | const LOCAL_ONLY = 'localOnly'; |
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| 46 | const PREFERRED_EXTN_PREFIX = 'preferredExtnPrefix'; |
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| 47 | const PREFERRED_INTERNATIONAL_PREFIX = 'preferredInternationalPrefix'; |
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| 48 | const PREMIUM_RATE = 'premiumRate'; |
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| 49 | const SHARED_COST = 'sharedCost'; |
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| 50 | const SHORT_CODE = 'shortCode'; |
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| 51 | const SMS_SERVICES = 'smsServices'; |
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| 52 | const STANDARD_RATE = 'standardRate'; |
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| 53 | const TOLL_FREE = 'tollFree'; |
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| 54 | const UAN = 'uan'; |
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| 55 | const VOICEMAIL = 'voicemail'; |
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| 56 | const VOIP = 'voip'; |
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| 57 | |||
| 58 | private static $phoneNumberDescsWithoutMatchingTypes = array( |
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| 59 | self::NO_INTERNATIONAL_DIALLING |
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| 60 | ); |
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| 61 | |||
| 62 | /** |
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| 63 | * @internal |
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| 64 | * @param string $regex |
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| 65 | * @param bool $removeWhitespace |
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| 66 | * @return string |
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| 67 | */ |
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| 68 | public static function validateRE($regex, $removeWhitespace = false) |
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| 69 | { |
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| 70 | $compressedRegex = $removeWhitespace ? \preg_replace('/\\s/', '', $regex) : $regex; |
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| 71 | // Match regex against an empty string to check the regex is valid |
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| 72 | if (\preg_match('/' . $compressedRegex . '/', '') === false) { |
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| 73 | throw new \RuntimeException('Regex error: ' . \preg_last_error()); |
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| 74 | } |
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| 75 | // We don't ever expect to see | followed by a ) in our metadata - this would be an indication |
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| 76 | // of a bug. If one wants to make something optional, we prefer ? to using an empty group. |
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| 77 | $errorIndex = \strpos($compressedRegex, '|)'); |
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| 78 | if ($errorIndex !== false) { |
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| 79 | throw new \RuntimeException('| followed by )'); |
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| 80 | } |
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| 81 | // return the regex if it is of correct syntax, i.e. compile did not fail with a |
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| 82 | return $compressedRegex; |
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| 83 | } |
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| 84 | |||
| 85 | /** |
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| 86 | * |
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| 87 | * @param string $inputXmlFile |
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| 88 | * @param boolean $liteBuild |
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| 89 | * @param boolean $specialBuild |
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| 90 | * @param bool $isShortNumberMetadata |
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| 91 | * @param bool $isAlternateFormatsMetadata |
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| 92 | * @return PhoneMetadata[] |
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| 93 | */ |
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| 94 | public static function buildPhoneMetadataCollection($inputXmlFile, $liteBuild, $specialBuild, $isShortNumberMetadata = false, $isAlternateFormatsMetadata = false) |
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| 95 | { |
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| 96 | if ($inputXmlFile instanceof \DOMElement) { |
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|
introduced
by
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| 97 | $document = $inputXmlFile; |
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| 98 | } else { |
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| 99 | $document = new \DOMDocument(); |
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| 100 | $document->load($inputXmlFile); |
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| 101 | $document->normalizeDocument(); |
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| 102 | |||
| 103 | $isShortNumberMetadata = \strpos($inputXmlFile, 'ShortNumberMetadata'); |
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| 104 | $isAlternateFormatsMetadata = \strpos($inputXmlFile, 'PhoneNumberAlternateFormats'); |
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| 105 | } |
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| 106 | |||
| 107 | $territories = $document->getElementsByTagName('territory'); |
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| 108 | $metadataCollection = array(); |
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| 109 | |||
| 110 | $metadataFilter = self::getMetadataFilter($liteBuild, $specialBuild); |
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| 111 | |||
| 112 | foreach ($territories as $territoryElement) { |
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| 113 | /** @var $territoryElement \DOMElement */ |
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| 114 | // For the main metadata file this should always be set, but for other supplementary data |
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| 115 | // files the country calling code may be all that is needed. |
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| 116 | if ($territoryElement->hasAttribute('id')) { |
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| 117 | $regionCode = $territoryElement->getAttribute('id'); |
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| 118 | } else { |
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| 119 | $regionCode = ''; |
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| 120 | } |
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| 121 | $metadata = self::loadCountryMetadata($regionCode, $territoryElement, $isShortNumberMetadata, $isAlternateFormatsMetadata); |
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| 122 | $metadataFilter->filterMetadata($metadata); |
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| 123 | $metadataCollection[] = $metadata; |
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| 124 | } |
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| 125 | return $metadataCollection; |
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| 126 | } |
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| 127 | |||
| 128 | /** |
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| 129 | * @param string $regionCode |
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| 130 | * @param \DOMElement $element |
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| 131 | * @param string $isShortNumberMetadata |
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| 132 | * @param string $isAlternateFormatsMetadata |
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| 133 | * @return PhoneMetadata |
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| 134 | */ |
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| 135 | public static function loadCountryMetadata($regionCode, \DOMElement $element, $isShortNumberMetadata, $isAlternateFormatsMetadata) |
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| 136 | { |
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| 137 | $nationalPrefix = self::getNationalPrefix($element); |
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| 138 | $metadata = self::loadTerritoryTagMetadata($regionCode, $element, $nationalPrefix); |
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| 139 | $nationalPrefixFormattingRule = self::getNationalPrefixFormattingRuleFromElement($element, $nationalPrefix); |
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| 140 | |||
| 141 | self::loadAvailableFormats($metadata, $element, $nationalPrefix, $nationalPrefixFormattingRule, $element->hasAttribute(self::NATIONAL_PREFIX_OPTIONAL_WHEN_FORMATTING)); |
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| 142 | if (!$isAlternateFormatsMetadata) { |
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| 143 | // The alternate formats metadata does not need most of the patterns to be set. |
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| 144 | self::setRelevantDescPatterns($metadata, $element, $isShortNumberMetadata); |
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| 145 | } |
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| 146 | return $metadata; |
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| 147 | } |
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| 148 | |||
| 149 | /** |
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| 150 | * Processes the custom build flags and gets a MetadataFilter which may be used to |
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| 151 | * filter PhoneMetadata objects. Incompatible flag combinations throw RuntimeException. |
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| 152 | * @param bool $liteBuild |
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| 153 | * @param bool $specialBuild |
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| 154 | * @return MetadataFilter |
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| 155 | */ |
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| 156 | public static function getMetadataFilter($liteBuild, $specialBuild) |
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| 157 | { |
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| 158 | if ($specialBuild) { |
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| 159 | if ($liteBuild) { |
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| 160 | throw new \RuntimeException('liteBuild and specialBuild may not both be set'); |
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| 161 | } |
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| 162 | return MetadataFilter::forSpecialBuild(); |
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| 163 | } |
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| 164 | if ($liteBuild) { |
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| 165 | return MetadataFilter::forLiteBuild(); |
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| 166 | } |
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| 167 | |||
| 168 | return MetadataFilter::emptyFilter(); |
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| 169 | } |
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| 170 | |||
| 171 | /** |
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| 172 | * Returns the national prefix of the provided country element. |
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| 173 | * @internal |
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| 174 | * @param \DOMElement $element |
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| 175 | * @return string |
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| 176 | */ |
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| 177 | public static function getNationalPrefix(\DOMElement $element) |
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| 180 | } |
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| 181 | |||
| 182 | /** |
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| 183 | * |
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| 184 | * @internal |
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| 185 | * @param \DOMElement $element |
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| 186 | * @param string $nationalPrefix |
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| 187 | * @return string |
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| 188 | */ |
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| 189 | public static function getNationalPrefixFormattingRuleFromElement(\DOMElement $element, $nationalPrefix) |
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| 190 | { |
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| 191 | $nationalPrefixFormattingRule = $element->getAttribute(self::NATIONAL_PREFIX_FORMATTING_RULE); |
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| 192 | // Replace $NP with national prefix and $FG with the first group ($1). |
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| 193 | $nationalPrefixFormattingRule = \str_replace( |
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| 194 | array('$NP', '$FG'), |
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| 195 | array($nationalPrefix, '$1'), |
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| 196 | $nationalPrefixFormattingRule |
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| 197 | ); |
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| 198 | return $nationalPrefixFormattingRule; |
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| 199 | } |
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| 200 | |||
| 201 | /** |
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| 202 | * |
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| 203 | * @internal |
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| 204 | * @param string $regionCode |
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| 205 | * @param \DOMElement $element |
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| 206 | * @param string $nationalPrefix |
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| 207 | * @return PhoneMetadata |
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| 208 | */ |
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| 209 | public static function loadTerritoryTagMetadata( |
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| 210 | $regionCode, |
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| 211 | \DOMElement $element, |
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| 212 | $nationalPrefix |
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| 213 | ) { |
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| 214 | $metadata = new PhoneMetadata(); |
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| 215 | $metadata->setId($regionCode); |
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| 216 | $metadata->setCountryCode((int)$element->getAttribute(self::COUNTRY_CODE)); |
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| 217 | if ($element->hasAttribute(self::LEADING_DIGITS)) { |
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| 218 | $metadata->setLeadingDigits(self::validateRE($element->getAttribute(self::LEADING_DIGITS))); |
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| 219 | } |
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| 220 | $metadata->setInternationalPrefix(self::validateRE($element->getAttribute(self::INTERNATIONAL_PREFIX))); |
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| 221 | if ($element->hasAttribute(self::PREFERRED_INTERNATIONAL_PREFIX)) { |
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| 222 | $preferredInternationalPrefix = $element->getAttribute(self::PREFERRED_INTERNATIONAL_PREFIX); |
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| 223 | $metadata->setPreferredInternationalPrefix($preferredInternationalPrefix); |
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| 224 | } |
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| 225 | if ($element->hasAttribute(self::NATIONAL_PREFIX_FOR_PARSING)) { |
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| 226 | $metadata->setNationalPrefixForParsing( |
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| 227 | self::validateRE($element->getAttribute(self::NATIONAL_PREFIX_FOR_PARSING), true) |
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| 228 | ); |
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| 229 | if ($element->hasAttribute(self::NATIONAL_PREFIX_TRANSFORM_RULE)) { |
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| 230 | $metadata->setNationalPrefixTransformRule(self::validateRE($element->getAttribute(self::NATIONAL_PREFIX_TRANSFORM_RULE))); |
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| 231 | } |
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| 232 | } |
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| 233 | if ($nationalPrefix != '') { |
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| 234 | $metadata->setNationalPrefix($nationalPrefix); |
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| 235 | if (!$metadata->hasNationalPrefixForParsing()) { |
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| 236 | $metadata->setNationalPrefixForParsing($nationalPrefix); |
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| 237 | } |
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| 238 | } |
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| 239 | if ($element->hasAttribute(self::PREFERRED_EXTN_PREFIX)) { |
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| 240 | $metadata->setPreferredExtnPrefix($element->getAttribute(self::PREFERRED_EXTN_PREFIX)); |
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| 241 | } |
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| 242 | if ($element->hasAttribute(self::MAIN_COUNTRY_FOR_CODE)) { |
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| 243 | $metadata->setMainCountryForCode(true); |
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| 244 | } |
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| 245 | if ($element->hasAttribute(self::MOBILE_NUMBER_PORTABLE_REGION)) { |
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| 246 | $metadata->setMobileNumberPortableRegion(true); |
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| 247 | } |
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| 248 | return $metadata; |
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| 249 | } |
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| 250 | |||
| 251 | /** |
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| 252 | * Extracts the available formats from the provided DOM element. If it does not contain any |
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| 253 | * nationalPrefixFormattingRule, the one passed-in is retained; similarly for |
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| 254 | * nationalPrefixOptionalWhenFormatting. The nationalPrefix, nationalPrefixFormattingRule and |
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| 255 | * nationalPrefixOptionalWhenFormatting values are provided from the parent (territory) element. |
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| 256 | * @internal |
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| 257 | * @param PhoneMetadata $metadata |
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| 258 | * @param \DOMElement $element |
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| 259 | * @param string $nationalPrefix |
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| 260 | * @param string $nationalPrefixFormattingRule |
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| 261 | * @param bool $nationalPrefixOptionalWhenFormatting |
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| 262 | */ |
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| 263 | public static function loadAvailableFormats( |
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| 264 | PhoneMetadata $metadata, |
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| 265 | \DOMElement $element, |
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| 266 | $nationalPrefix, |
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| 267 | $nationalPrefixFormattingRule, |
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| 268 | $nationalPrefixOptionalWhenFormatting |
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| 269 | ) { |
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| 270 | $carrierCodeFormattingRule = ''; |
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| 271 | if ($element->hasAttribute(self::CARRIER_CODE_FORMATTING_RULE)) { |
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| 272 | $carrierCodeFormattingRule = self::validateRE(self::getDomesticCarrierCodeFormattingRuleFromElement($element, $nationalPrefix)); |
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| 273 | } |
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| 274 | $numberFormatElements = $element->getElementsByTagName(self::NUMBER_FORMAT); |
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| 275 | $hasExplicitIntlFormatDefined = false; |
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| 276 | |||
| 277 | $numOfFormatElements = $numberFormatElements->length; |
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| 278 | if ($numOfFormatElements > 0) { |
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| 279 | for ($i = 0; $i < $numOfFormatElements; $i++) { |
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| 280 | /** @var \DOMElement $numberFormatElement */ |
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| 281 | $numberFormatElement = $numberFormatElements->item($i); |
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| 282 | $format = new NumberFormat(); |
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| 283 | |||
| 284 | if ($numberFormatElement->hasAttribute(self::NATIONAL_PREFIX_FORMATTING_RULE)) { |
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| 285 | $format->setNationalPrefixFormattingRule( |
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| 286 | self::getNationalPrefixFormattingRuleFromElement($numberFormatElement, $nationalPrefix) |
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| 287 | ); |
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| 288 | } else { |
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| 289 | $format->setNationalPrefixFormattingRule($nationalPrefixFormattingRule); |
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| 290 | } |
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| 291 | if ($numberFormatElement->hasAttribute(self::NATIONAL_PREFIX_OPTIONAL_WHEN_FORMATTING)) { |
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| 292 | $format->setNationalPrefixOptionalWhenFormatting($numberFormatElement->getAttribute(self::NATIONAL_PREFIX_OPTIONAL_WHEN_FORMATTING) === 'true' ? true : false); |
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| 293 | } else { |
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| 294 | $format->setNationalPrefixOptionalWhenFormatting($nationalPrefixOptionalWhenFormatting); |
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| 295 | } |
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| 296 | if ($numberFormatElement->hasAttribute(self::CARRIER_CODE_FORMATTING_RULE)) { |
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| 297 | $format->setDomesticCarrierCodeFormattingRule( |
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| 298 | self::validateRE(self::getDomesticCarrierCodeFormattingRuleFromElement($numberFormatElement, $nationalPrefix)) |
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| 299 | ); |
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| 300 | } else { |
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| 301 | $format->setDomesticCarrierCodeFormattingRule($carrierCodeFormattingRule); |
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| 302 | } |
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| 303 | self::loadNationalFormat($metadata, $numberFormatElement, $format); |
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| 304 | $metadata->addNumberFormat($format); |
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| 305 | |||
| 306 | if (self::loadInternationalFormat($metadata, $numberFormatElement, $format)) { |
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| 307 | $hasExplicitIntlFormatDefined = true; |
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| 308 | } |
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| 309 | } |
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| 310 | // Only a small number of regions need to specify the intlFormats in the xml. For the majority |
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| 311 | // of countries the intlNumberFormat metadata is an exact copy of the national NumberFormat |
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| 312 | // metadata. To minimize the size of the metadata file, we only keep intlNumberFormats that |
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| 313 | // actually differ in some way to the national formats. |
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| 314 | if (!$hasExplicitIntlFormatDefined) { |
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| 315 | $metadata->clearIntlNumberFormat(); |
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| 316 | } |
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| 317 | } |
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| 318 | } |
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| 319 | |||
| 320 | /** |
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| 321 | * @internal |
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| 322 | * @param \DOMElement $element |
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| 323 | * @param string $nationalPrefix |
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| 324 | * @return string |
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| 325 | */ |
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| 326 | public static function getDomesticCarrierCodeFormattingRuleFromElement(\DOMElement $element, $nationalPrefix) |
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| 327 | { |
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| 328 | $carrierCodeFormattingRule = $element->getAttribute(self::CARRIER_CODE_FORMATTING_RULE); |
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| 329 | // Replace $FG with the first group ($1) and $NP with the national prefix. |
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| 330 | $carrierCodeFormattingRule = \str_replace( |
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| 331 | array('$NP', '$FG'), |
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| 332 | array($nationalPrefix, '$1'), |
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| 333 | $carrierCodeFormattingRule |
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| 334 | ); |
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| 335 | return $carrierCodeFormattingRule; |
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| 336 | } |
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| 337 | |||
| 338 | /** |
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| 339 | * Extracts the pattern for the national format. |
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| 340 | * |
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| 341 | * @internal |
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| 342 | * @param PhoneMetadata $metadata |
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| 343 | * @param \DOMElement $numberFormatElement |
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| 344 | * @param NumberFormat $format |
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| 345 | * @throws \RuntimeException if multiple or no formats have been encountered. |
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| 346 | */ |
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| 347 | public static function loadNationalFormat( |
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| 348 | PhoneMetadata $metadata, |
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| 349 | \DOMElement $numberFormatElement, |
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| 350 | NumberFormat $format |
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| 351 | ) { |
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| 352 | self::setLeadingDigitsPatterns($numberFormatElement, $format); |
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| 353 | $format->setPattern(self::validateRE($numberFormatElement->getAttribute(self::PATTERN))); |
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| 354 | |||
| 355 | $formatPattern = $numberFormatElement->getElementsByTagName(self::FORMAT); |
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| 356 | if ($formatPattern->length != 1) { |
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| 357 | $countryId = $metadata->getId() != '' ? $metadata->getId() : $metadata->getCountryCode(); |
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| 358 | throw new \RuntimeException('Invalid number of format patterns for country: ' . $countryId); |
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| 359 | } |
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| 360 | $nationalFormat = $formatPattern->item(0)->firstChild->nodeValue; |
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| 361 | $format->setFormat($nationalFormat); |
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| 362 | } |
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| 363 | |||
| 364 | /** |
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| 365 | * @internal |
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| 366 | * @param \DOMElement $numberFormatElement |
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| 367 | * @param NumberFormat $format |
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| 368 | */ |
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| 369 | public static function setLeadingDigitsPatterns(\DOMElement $numberFormatElement, NumberFormat $format) |
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| 370 | { |
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| 371 | $leadingDigitsPatternNodes = $numberFormatElement->getElementsByTagName(self::LEADING_DIGITS); |
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| 372 | $numOfLeadingDigitsPatterns = $leadingDigitsPatternNodes->length; |
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| 373 | if ($numOfLeadingDigitsPatterns > 0) { |
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| 374 | for ($i = 0; $i < $numOfLeadingDigitsPatterns; $i++) { |
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| 375 | $format->addLeadingDigitsPattern(self::validateRE($leadingDigitsPatternNodes->item($i)->firstChild->nodeValue, true)); |
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| 376 | } |
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| 377 | } |
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| 378 | } |
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| 379 | |||
| 380 | /** |
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| 381 | * Extracts the pattern for international format. If there is no intlFormat, default to using the |
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| 382 | * national format. If the intlFormat is set to "NA" the intlFormat should be ignored. |
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| 383 | * |
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| 384 | * @internal |
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| 385 | * @param PhoneMetadata $metadata |
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| 386 | * @param \DOMElement $numberFormatElement |
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| 387 | * @param NumberFormat $nationalFormat |
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| 388 | * @throws \RuntimeException if multiple intlFormats have been encountered. |
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| 389 | * @return bool whether an international number format is defined. |
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| 390 | */ |
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| 391 | public static function loadInternationalFormat( |
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| 392 | PhoneMetadata $metadata, |
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| 393 | \DOMElement $numberFormatElement, |
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| 394 | NumberFormat $nationalFormat |
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| 395 | ) { |
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| 396 | $intlFormat = new NumberFormat(); |
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| 397 | $intlFormatPattern = $numberFormatElement->getElementsByTagName(self::INTL_FORMAT); |
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| 398 | $hasExplicitIntlFormatDefined = false; |
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| 399 | |||
| 400 | if ($intlFormatPattern->length > 1) { |
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| 401 | $countryId = $metadata->getId() != '' ? $metadata->getId() : $metadata->getCountryCode(); |
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| 402 | throw new \RuntimeException('Invalid number of intlFormat patterns for country: ' . $countryId); |
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| 403 | } |
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| 404 | |||
| 405 | if ($intlFormatPattern->length === 0) { |
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| 406 | // Default to use the same as the national pattern if none is defined. |
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| 407 | $intlFormat->mergeFrom($nationalFormat); |
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| 408 | } else { |
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| 409 | $intlFormat->setPattern($numberFormatElement->getAttribute(self::PATTERN)); |
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| 410 | self::setLeadingDigitsPatterns($numberFormatElement, $intlFormat); |
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| 411 | $intlFormatPatternValue = $intlFormatPattern->item(0)->firstChild->nodeValue; |
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| 412 | if ($intlFormatPatternValue !== 'NA') { |
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| 413 | $intlFormat->setFormat($intlFormatPatternValue); |
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| 414 | } |
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| 415 | $hasExplicitIntlFormatDefined = true; |
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| 416 | } |
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| 417 | |||
| 418 | if ($intlFormat->hasFormat()) { |
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| 419 | $metadata->addIntlNumberFormat($intlFormat); |
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| 420 | } |
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| 421 | return $hasExplicitIntlFormatDefined; |
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| 422 | } |
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| 423 | |||
| 424 | /** |
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| 425 | * @internal |
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| 426 | * @param PhoneMetadata $metadata |
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| 427 | * @param \DOMElement $element |
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| 428 | * @param bool $isShortNumberMetadata |
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| 429 | */ |
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| 430 | public static function setRelevantDescPatterns(PhoneMetadata $metadata, \DOMElement $element, $isShortNumberMetadata) |
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| 463 | } |
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| 464 | } |
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| 465 | |||
| 466 | /** |
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| 467 | * Parses a possible length string into a set of the integers that are covered. |
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| 468 | * |
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| 469 | * @param string $possibleLengthString a string specifying the possible lengths of phone numbers. Follows |
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| 470 | * this syntax: ranges or elements are separated by commas, and ranges are specified in |
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| 471 | * [min-max] notation, inclusive. For example, [3-5],7,9,[11-14] should be parsed to |
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| 472 | * 3,4,5,7,9,11,12,13,14 |
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| 473 | * @return array |
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| 474 | */ |
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| 475 | private static function parsePossibleLengthStringToSet($possibleLengthString) |
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| 476 | { |
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| 477 | if (\strlen($possibleLengthString) === 0) { |
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| 478 | throw new \RuntimeException('Empty possibleLength string found.'); |
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| 479 | } |
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| 480 | |||
| 481 | $lengths = \explode(',', $possibleLengthString); |
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| 482 | $lengthSet = array(); |
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| 483 | |||
| 484 | |||
| 485 | $lengthLength = \count($lengths); |
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| 486 | for ($i = 0; $i < $lengthLength; $i++) { |
||
| 487 | $lengthSubstring = $lengths[$i]; |
||
| 488 | if (\strlen($lengthSubstring) === 0) { |
||
| 489 | throw new \RuntimeException('Leading, trailing or adjacent commas in possible ' |
||
| 490 | . "length string {$possibleLengthString}, these should only separate numbers or ranges."); |
||
| 491 | } |
||
| 492 | |||
| 493 | if (\substr($lengthSubstring, 0, 1) === '[') { |
||
| 494 | if (\substr($lengthSubstring, -1) !== ']') { |
||
| 495 | throw new \RuntimeException("Missing end of range character in possible length string {$possibleLengthString}."); |
||
| 496 | } |
||
| 497 | |||
| 498 | // Strip the leading and trailing [], and split on the -. |
||
| 499 | $minMax = \explode('-', \substr($lengthSubstring, 1, -1)); |
||
| 500 | if (\count($minMax) !== 2) { |
||
| 501 | throw new \RuntimeException("Ranges must have exactly one - character: missing for {$possibleLengthString}."); |
||
| 502 | } |
||
| 503 | $min = (int)$minMax[0]; |
||
| 504 | $max = (int)$minMax[1]; |
||
| 505 | // We don't even accept [6-7] since we prefer the shorter 6,7 variant; for a range to be in |
||
| 506 | // use the hyphen needs to replace at least one digit. |
||
| 507 | if ($max - $min < 2) { |
||
| 508 | throw new \RuntimeException("The first number in a range should be two or more digits lower than the second. Culprit possibleLength string: {$possibleLengthString}."); |
||
| 509 | } |
||
| 510 | for ($j = $min; $j <= $max; $j++) { |
||
| 511 | if (\in_array($j, $lengthSet)) { |
||
| 512 | throw new \RuntimeException("Duplicate length element found ({$j}) in possibleLength string {$possibleLengthString}."); |
||
| 513 | } |
||
| 514 | $lengthSet[] = $j; |
||
| 515 | } |
||
| 516 | } else { |
||
| 517 | $length = $lengthSubstring; |
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| 518 | if (\in_array($length, $lengthSet)) { |
||
| 519 | throw new \RuntimeException("Duplicate length element found ({$length}) in possibleLength string {$possibleLengthString}."); |
||
| 520 | } |
||
| 521 | if (!\is_numeric($length)) { |
||
| 522 | throw new \RuntimeException("For input string \"{$length}\""); |
||
| 523 | } |
||
| 524 | $lengthSet[] = (int)$length; |
||
| 525 | } |
||
| 526 | } |
||
| 527 | return $lengthSet; |
||
| 528 | } |
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| 529 | |||
| 530 | /** |
||
| 531 | * Reads the possible length present in the metadata and splits them into two sets: one for |
||
| 532 | * full-length numbers, one for local numbers. |
||
| 533 | * |
||
| 534 | * |
||
| 535 | * @param \DOMElement $data One or more phone number descriptions |
||
| 536 | * @param array $lengths An array in which to add possible lengths of full phone numbers |
||
| 537 | * @param array $localOnlyLengths An array in which to add possible lengths of phone numbers only diallable |
||
| 538 | * locally (e.g. within a province) |
||
| 539 | */ |
||
| 540 | private static function populatePossibleLengthSets(\DOMElement $data, &$lengths, &$localOnlyLengths) |
||
| 541 | { |
||
| 542 | $possibleLengths = $data->getElementsByTagName(self::POSSIBLE_LENGTHS); |
||
| 543 | |||
| 544 | for ($i = 0; $i < $possibleLengths->length; $i++) { |
||
| 545 | /** @var \DOMElement $element */ |
||
| 546 | $element = $possibleLengths->item($i); |
||
| 547 | $nationalLengths = $element->getAttribute(self::NATIONAL); |
||
| 548 | // We don't add to the phone metadata yet, since we want to sort length elements found under |
||
| 549 | // different nodes first, make sure there are no duplicates between them and that the |
||
| 550 | // localOnly lengths don't overlap with the others. |
||
| 551 | $thisElementLengths = self::parsePossibleLengthStringToSet($nationalLengths); |
||
| 552 | if ($element->hasAttribute(self::LOCAL_ONLY)) { |
||
| 553 | $localLengths = $element->getAttribute(self::LOCAL_ONLY); |
||
| 554 | $thisElementLocalOnlyLengths = self::parsePossibleLengthStringToSet($localLengths); |
||
| 555 | $intersection = \array_intersect($thisElementLengths, $thisElementLocalOnlyLengths); |
||
| 556 | if (\count($intersection) > 0) { |
||
| 557 | throw new \RuntimeException('Possible length(s) found specified as a normal and local-only length: [' . \implode(',', $intersection) . '].'); |
||
| 558 | } |
||
| 559 | // We check again when we set these lengths on the metadata itself in setPossibleLengths |
||
| 560 | // that the elements in localOnly are not also in lengths. For e.g. the generalDesc, it |
||
| 561 | // might have a local-only length for one type that is a normal length for another type. We |
||
| 562 | // don't consider this an error, but we do want to remove the local-only lengths. |
||
| 563 | $localOnlyLengths = \array_merge($localOnlyLengths, $thisElementLocalOnlyLengths); |
||
| 564 | \sort($localOnlyLengths); |
||
| 565 | } |
||
| 566 | // It is okay if at this time we have duplicates, because the same length might be possible |
||
| 567 | // for e.g. fixed-line and for mobile numbers, and this method operates potentially on |
||
| 568 | // multiple phoneNumberDesc XML elements. |
||
| 569 | $lengths = \array_merge($lengths, $thisElementLengths); |
||
| 570 | \sort($lengths); |
||
| 571 | } |
||
| 572 | } |
||
| 573 | |||
| 574 | /** |
||
| 575 | * Sets possible lengths in the general description, derived from certain child elements |
||
| 576 | * |
||
| 577 | * @internal |
||
| 578 | * @param PhoneNumberDesc $generalDesc |
||
| 579 | * @param string $metadataId |
||
| 580 | * @param \DOMElement $data |
||
| 581 | * @param bool $isShortNumberMetadata |
||
| 582 | */ |
||
| 583 | public static function setPossibleLengthsGeneralDesc(PhoneNumberDesc $generalDesc, $metadataId, \DOMElement $data, $isShortNumberMetadata) |
||
| 584 | { |
||
| 585 | $lengths = array(); |
||
| 586 | $localOnlyLengths = array(); |
||
| 587 | // The general description node should *always* be present if metadata for other types is |
||
| 588 | // present, aside from in some unit tests. |
||
| 589 | // (However, for e.g. formatting metadata in PhoneNumberAlternateFormats, no PhoneNumberDesc |
||
| 590 | // elements are present). |
||
| 591 | $generalDescNodes = $data->getElementsByTagName(self::GENERAL_DESC); |
||
| 592 | if ($generalDescNodes->length > 0) { |
||
| 593 | $generalDescNode = $generalDescNodes->item(0); |
||
| 594 | self::populatePossibleLengthSets($generalDescNode, $lengths, $localOnlyLengths); |
||
| 595 | if (\count($lengths) > 0 || \count($localOnlyLengths) > 0) { |
||
| 596 | // We shouldn't have anything specified at the "general desc" level: we are going to |
||
| 597 | // calculate this ourselves from child elements. |
||
| 598 | throw new \RuntimeException("Found possible lengths specified at general desc: this should be derived from child elements. Affected country: {$metadataId}"); |
||
| 599 | } |
||
| 600 | } |
||
| 601 | if (!$isShortNumberMetadata) { |
||
| 602 | // Make a copy here since we want to remove some nodes, but we don't want to do that on our |
||
| 603 | // actual data. |
||
| 604 | /** @var \DOMElement $allDescData */ |
||
| 605 | $allDescData = $data->cloneNode(true); |
||
| 606 | foreach (self::$phoneNumberDescsWithoutMatchingTypes as $tag) { |
||
| 607 | $nodesToRemove = $allDescData->getElementsByTagName($tag); |
||
| 608 | if ($nodesToRemove->length > 0) { |
||
| 609 | // We check when we process phone number descriptions that there are only one of each |
||
| 610 | // type, so this is safe to do. |
||
| 611 | $allDescData->removeChild($nodesToRemove->item(0)); |
||
| 612 | } |
||
| 613 | } |
||
| 614 | self::populatePossibleLengthSets($allDescData, $lengths, $localOnlyLengths); |
||
| 615 | } else { |
||
| 616 | // For short number metadata, we want to copy the lengths from the "short code" section only. |
||
| 617 | // This is because it's the more detailed validation pattern, it's not a sub-type of short |
||
| 618 | // codes. The other lengths will be checked later to see that they are a sub-set of these |
||
| 619 | // possible lengths. |
||
| 620 | $shortCodeDescList = $data->getElementsByTagName(self::SHORT_CODE); |
||
| 621 | if (\count($shortCodeDescList) > 0) { |
||
| 622 | $shortCodeDesc = $shortCodeDescList->item(0); |
||
| 623 | self::populatePossibleLengthSets($shortCodeDesc, $lengths, $localOnlyLengths); |
||
| 624 | } |
||
| 625 | if (\count($localOnlyLengths) > 0) { |
||
| 626 | throw new \RuntimeException('Found local-only lengths in short-number metadata'); |
||
| 627 | } |
||
| 628 | } |
||
| 629 | self::setPossibleLengths($lengths, $localOnlyLengths, null, $generalDesc); |
||
| 630 | } |
||
| 631 | |||
| 632 | /** |
||
| 633 | * Sets the possible length fields in the metadata from the sets of data passed in. Checks that |
||
| 634 | * the length is covered by the "parent" phone number description element if one is present, and |
||
| 635 | * if the lengths are exactly the same as this, they are not filled in for efficiency reasons. |
||
| 636 | * |
||
| 637 | * @param array $lengths |
||
| 638 | * @param array $localOnlyLengths |
||
| 639 | * @param PhoneNumberDesc $parentDesc |
||
| 640 | * @param PhoneNumberDesc $desc |
||
| 641 | */ |
||
| 642 | private static function setPossibleLengths($lengths, $localOnlyLengths, PhoneNumberDesc $parentDesc = null, PhoneNumberDesc $desc) |
||
| 643 | { |
||
| 644 | // We clear these fields since the metadata tends to inherit from the parent element for other |
||
| 645 | // fields (via a mergeFrom). |
||
| 646 | $desc->clearPossibleLength(); |
||
| 647 | $desc->clearPossibleLengthLocalOnly(); |
||
| 648 | |||
| 649 | // Only add the lengths to this sub-type if they aren't exactly the same as the possible |
||
| 650 | // lengths in the general desc (for metadata size reasons). |
||
| 651 | if ($parentDesc === null || !self::arePossibleLengthsEqual($lengths, $parentDesc)) { |
||
| 652 | foreach ($lengths as $length) { |
||
| 653 | if ($parentDesc === null || \in_array($length, $parentDesc->getPossibleLength())) { |
||
| 654 | $desc->addPossibleLength($length); |
||
| 655 | } else { |
||
| 656 | // We shouldn't have possible lengths defined in a child element that are not covered by |
||
| 657 | // the general description. We check this here even though the general description is |
||
| 658 | // derived from child elements because it is only derived from a subset, and we need to |
||
| 659 | // ensure *all* child elements have a valid possible length. |
||
| 660 | throw new \RuntimeException("Out-of-range possible length found ({$length}), parent lengths " . \implode(',', $parentDesc->getPossibleLength())); |
||
| 661 | } |
||
| 662 | } |
||
| 663 | } |
||
| 664 | // We check that the local-only length isn't also a normal possible length (only relevant for |
||
| 665 | // the general-desc, since within elements such as fixed-line we would throw an exception if we |
||
| 666 | // saw this) before adding it to the collection of possible local-only lengths. |
||
| 667 | foreach ($localOnlyLengths as $length) { |
||
| 668 | if (!\in_array($length, $lengths)) { |
||
| 669 | // We check it is covered by either of the possible length sets of the parent |
||
| 670 | // PhoneNumberDesc, because for example 7 might be a valid localOnly length for mobile, but |
||
| 671 | // a valid national length for fixedLine, so the generalDesc would have the 7 removed from |
||
| 672 | // localOnly. |
||
| 673 | if ($parentDesc === null |
||
| 674 | || \in_array($length, $parentDesc->getPossibleLength()) |
||
| 675 | || \in_array($length, $parentDesc->getPossibleLengthLocalOnly()) |
||
| 676 | ) { |
||
| 677 | $desc->addPossibleLengthLocalOnly($length); |
||
| 678 | } else { |
||
| 679 | throw new \RuntimeException("Out-of-range local-only possible length found ({$length}), parent length {$parentDesc->getPossibleLengthLocalOnly()}"); |
||
| 680 | } |
||
| 681 | } |
||
| 682 | } |
||
| 683 | } |
||
| 684 | |||
| 685 | /** |
||
| 686 | * Processes a phone number description element from the XML file and returns it as a |
||
| 687 | * PhoneNumberDesc. If the description element is a fixed line or mobile number, the parent |
||
| 688 | * description will be used to fill in the whole element if necessary, or any components that are |
||
| 689 | * missing. For all other types, the parent description will only be used to fill in missing |
||
| 690 | * components if the type has a partial definition. For example, if no "tollFree" element exists, |
||
| 691 | * we assume there are no toll free numbers for that locale, and return a phone number description |
||
| 692 | * with no national number data and [-1] for this possible lengths. Note that the parent |
||
| 693 | * description must therefore already be processed before this method is called on any child |
||
| 694 | * elements. |
||
| 695 | * |
||
| 696 | * @internal |
||
| 697 | * @param PhoneNumberDesc $parentDesc a generic phone number description that will be used to fill in missing |
||
| 698 | * parts of the description, or null if this is the root node. This must be processed before |
||
| 699 | * this is run on any child elements. |
||
| 700 | * @param \DOMElement $countryElement XML element representing all the country information |
||
| 701 | * @param string $numberType name of the number type, corresponding to the appropriate tag in the XML |
||
| 702 | * file with information about that type |
||
| 703 | * @return PhoneNumberDesc complete description of that phone number type |
||
| 704 | */ |
||
| 705 | public static function processPhoneNumberDescElement( |
||
| 759 | } |
||
| 760 | |||
| 761 | private static function arePossibleLengthsEqual($possibleLengths, PhoneNumberDesc $desc) |
||
| 762 | { |
||
| 763 | $descPossibleLength = $desc->getPossibleLength(); |
||
| 764 | if (\count($possibleLengths) != \count($descPossibleLength)) { |
||
| 765 | return false; |
||
| 766 | } |
||
| 767 | |||
| 768 | // Note that both should be sorted already, and we know they are the same length. |
||
| 769 | $i = 0; |
||
| 770 | foreach ($possibleLengths as $length) { |
||
| 771 | if ($length != $descPossibleLength[$i]) { |
||
| 772 | return false; |
||
| 773 | } |
||
| 774 | $i++; |
||
| 775 | } |
||
| 776 | return true; |
||
| 777 | } |
||
| 778 | |||
| 779 | /** |
||
| 780 | * @param PhoneMetadata[] $metadataCollection |
||
| 781 | * @return array |
||
| 782 | */ |
||
| 783 | public static function buildCountryCodeToRegionCodeMap($metadataCollection) |
||
| 807 | } |
||
| 808 | } |
||
| 809 |
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