Use upstream libaddressinput in Chrome.

third_party/libaddressinput/chromium/cpp/src/ruleset.h

Index: third_party/libaddressinput/chromium/cpp/src/ruleset.h
diff --git a/third_party/libaddressinput/chromium/cpp/src/ruleset.h b/third_party/libaddressinput/chromium/cpp/src/ruleset.h
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--- a/third_party/libaddressinput/chromium/cpp/src/ruleset.h
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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/address_field.h>
-#include <libaddressinput/util/basictypes.h>
-#include <libaddressinput/util/scoped_ptr.h>
-
-#include <map>
-#include <set>
-#include <string>
-
-#include "rule.h"
-#include "util/canonicalize_string.h"
-#include "util/trie.h"
-
-namespace i18n {
-namespace addressinput {
-
-// 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 for |field| with a region-wide |rule| in the default
-  // language of the country. The |field| should be between COUNTRY and
-  // DEPENDENT_LOCALITY (inclusively). The |rule| should not be NULL.
-  Ruleset(AddressField field, scoped_ptr<Rule> rule);
-
-  ~Ruleset();
-
-  // Returns the parent ruleset. This is NULL until this ruleset has been passed
-  // into a AddSubRegionRuleset() method. Consequently, this is always NULL for
-  // a country-level ruleset.
-  Ruleset* parent() const { return parent_; }
-
-  // Returns the field type for this ruleset.
-  AddressField field() const { return field_; }
-
-  // Returns the region-wide rule for this ruleset in the default language of
-  // the country.
-  const Rule& rule() const { return *rule_; }
-
-  // Adds the |ruleset| for |sub_region| and sets this to be its parent. A
-  // |sub_region| should be added at most once. The |ruleset| should not be
-  // NULL.
-  //
-  // The field of the |ruleset| parameter must be exactly one smaller than the
-  // field of this ruleset. For example, a COUNTRY ruleset can contain
-  // ADMIN_AREA rulesets, but should not contain COUNTRY or LOCALITY rulesets.
-  void AddSubRegionRuleset(const std::string& sub_region,
-                           scoped_ptr<Ruleset> ruleset);
-
-  // Adds a language-specific |rule| for |language_code| for this region. A
-  // |language_code| should be added at most once. The |rule| should not be
-  // NULL.
-  void AddLanguageCodeRule(const std::string& language_code,
-                           scoped_ptr<Rule> rule);
-
-  // Returns the set of rules for |sub_region|. The result is NULL if there's no
-  // such |sub_region|. The caller does not own the result.
-  Ruleset* GetSubRegionRuleset(const std::string& sub_region) const;
-
-  // If there's a language-specific rule for |language_code|, then returns this
-  // rule. Otherwise returns the rule in the default language of the country.
-  const Rule& GetLanguageCodeRule(const std::string& language_code) const;
-
-  // Returns a mapping of sub-region keys to rulesets. The caller does now own
-  // the result. The values are not NULL.
-  const std::map<std::string, Ruleset*>& GetSubRegionRulesets() const {
-    return sub_regions_;
-  }
-
-  // Enables using FindRulesetsByPrefix() method. Should be called only once and
-  // on a COUNTRY level ruleset.
-  void BuildPrefixSearchIndex();
-
-  // Returns true if BuildPrefixSearchIndex() has been called.
-  bool prefix_search_index_ready() const { return !tries_.empty(); }
-
-  // Returns the deepest possible ruleset level for this country. Must be called
-  // on a COUNTRY level ruleset. Must be called after BuildPrefixSearchIndex()
-  // has been called.
-  AddressField deepest_ruleset_level() const { return deepest_ruleset_level_; }
-
-  // Finds all rulesets at |ruleset_level| where the rule for |language_code|
-  // has the |identity_field| that starts with |prefix|. Ignores diacritics and
-  // capitalization differences between the rule data and |prefix|.
-  //
-  // If there're no rules for |language_code| (or |language_code| is an empty
-  // string), then the default language code is used.
-  //
-  // Should be called only on a COUNTRY level ruleset. Should be called only
-  // after BuildPrefixSearchIndex() has been called.
-  //
-  // The |field| parameter should be only ADMIN_AREA, LOCALITY, or
-  // DEPENDENT_LOCALITY. The result parameter should not be NULL.
-  void FindRulesetsByPrefix(const std::string& language_code,
-                            AddressField ruleset_level,
-                            Rule::IdentityField identity_field,
-                            const std::string& prefix,
-                            std::set<const Ruleset*>* result) const;
-
- private:
-  // The type that maps rule identity field to tries of rulesets.
-  typedef std::map<Rule::IdentityField, Trie<const Ruleset*>*>
-      IdentityFieldTries;
-
-  // The type that maps address field to IdentityFieldTries.
-  typedef std::map<AddressField, IdentityFieldTries*> AddressFieldTries;
-
-  // The type that maps language code to AddressFieldTries.
-  typedef std::map<std::string, AddressFieldTries*> LanguageCodeTries;
-
-  // Adds all children of |parent_ruleset| into |tries_| of this ruleset. Should
-  // be called only on a COUNTRY level ruleset.
-  void AddSubRegionRulesetsToTrie(const Ruleset& parent_ruleset);
-
-  // The tries to lookup rulesets by a prefix of key, name, or latin-name in a
-  // rule. Has data only in a COUNTRY level ruleset. Owns the map and trie
-  // objects. Does not own the ruleset objects.
-  LanguageCodeTries tries_;
-
-  // Canonicalizes region keys, names, and latin names when building a trie.
-  scoped_ptr<StringCanonicalizer> canonicalizer_;
-
-  // The parent ruleset of this object. The parent ruleset owns this object.
-  Ruleset* parent_;
-
-  // The field of this ruleset.
-  const AddressField field_;
-
-  // The deepest possible ruleset level for this country. Set in
-  // BuildPrefixSearchIndex() method and, therefore, meaningful only on a
-  // COUNTRY level ruleset.
-  AddressField deepest_ruleset_level_;
-
-  // The region-wide rule in the default language of the country.
-  const 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_