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80 lines
3.3 KiB
80 lines
3.3 KiB
// Copyright (C) 2012 The Libphonenumber Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Author: Patrick Mezard
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#ifndef I18N_PHONENUMBERS_GEOCODING_MAPPING_FILE_PROVIDER_H_
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#define I18N_PHONENUMBERS_GEOCODING_MAPPING_FILE_PROVIDER_H_
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#include <string>
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#include "phonenumbers/base/basictypes.h"
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namespace i18n {
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namespace phonenumbers {
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using std::string;
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struct CountryLanguages;
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// A utility which knows the data files that are available for the geocoder to
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// use. The data files contain mappings from phone number prefixes to text
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// descriptions, and are organized by country calling code and language that the
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// text descriptions are in.
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class MappingFileProvider {
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public:
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typedef const CountryLanguages* (*country_languages_getter)(int index);
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// Initializes a MappingFileProvider with country_calling_codes, a sorted
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// list of country_calling_code_size calling codes, and a function
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// get_country_languages(int index) returning the CountryLanguage information
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// related to the country code at index in country_calling_codes.
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MappingFileProvider(const int* country_calling_codes,
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int country_calling_code_size,
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country_languages_getter get_country_languages);
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// This type is neither copyable nor movable.
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MappingFileProvider(const MappingFileProvider&) = delete;
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MappingFileProvider& operator=(const MappingFileProvider&) = delete;
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// Returns the name of the file that contains the mapping data for the
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// country_calling_code in the language specified, or an empty string if no
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// such file can be found.
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// language is a two or three-letter lowercase language code as defined by ISO
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// 639. Note that where two different language codes exist (e.g. 'he' and 'iw'
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// for Hebrew) we use the one that Java/Android canonicalized on ('iw' in this
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// case).
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// script is a four-letter titlecase (the first letter is uppercase and the
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// rest of the letters are lowercase) ISO script code as defined in ISO 15924.
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// region is a two-letter uppercase ISO country code as defined by ISO 3166-1.
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const string& GetFileName(int country_calling_code, const string& language,
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const string& script, const string& region, string*
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filename) const;
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private:
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void FindBestMatchingLanguageCode(const CountryLanguages* languages,
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const string& language,
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const string& script,
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const string& region,
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string* best_match) const;
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const int* const country_calling_codes_;
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const int country_calling_codes_size_;
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const country_languages_getter get_country_languages_;
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};
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} // namespace phonenumbers
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} // namespace i18n
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#endif // I18N_PHONENUMBERS_GEOCODING_MAPPING_FILE_PROVIDER_H_
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