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// Copyright (C) 2014 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef I18N_ADDRESSINPUT_RULESET_H_
#define I18N_ADDRESSINPUT_RULESET_H_
#include <libaddressinput/util/basictypes.h>
#include <libaddressinput/util/scoped_ptr.h>
#include <map>
#include <string>
namespace i18n {
namespace addressinput {
class Rule;
// A recursive data structure that stores a set of rules for a region. Can store
// the rules for a country, its administrative areas, localities, and dependent
// localities, in addition to the language-specific rules.
//
// Example for Canada and some of its provinces:
// CA-->fr
// |
// -------------------------------------
// | | | | |
// v v v v v
// AB-->fr BC-->fr MB-->fr NB-->fr NL-->fr
//
// The rules in Canada are in English by default. Each rule also has a French
// language version.
class Ruleset {
public:
// Builds a ruleset with a region-wide |rule| in the default language of the
// country. The |rule| should not be NULL.
explicit Ruleset(scoped_ptr<Rule> rule);
~Ruleset();
// Returns the region-wide rule in the default language of the country.
const Rule& rule() const { return *rule_.get(); }
// Adds and the |ruleset| for |sub_region|.
void AddSubRegionRuleset(const std::string& sub_region,
scoped_ptr<Ruleset> ruleset);
// Adds a language-specific |rule| for |language_code| for this region.
void AddLanguageCodeRule(const std::string& language_code,
scoped_ptr<Rule> rule);
private:
// The region-wide rule in the default language of the country.
scoped_ptr<const Rule> rule_;
// Owned rulesets for sub-regions.
std::map<std::string, Ruleset*> sub_regions_;
// Owned language-specific rules for the region.
std::map<std::string, const Rule*> language_codes_;
DISALLOW_COPY_AND_ASSIGN(Ruleset);
};
} // namespace addressinput
} // namespace i18n
#endif // I18N_ADDRESSINPUT_RULESET_H_
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