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// 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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//
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// Author: Patrick Mezard
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//
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// Default class for storing area codes.
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#ifndef I18N_PHONENUMBERS_DEFAULT_MAP_STORAGE_H_
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#define I18N_PHONENUMBERS_DEFAULT_MAP_STORAGE_H_
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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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struct PrefixDescriptions;
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// Default area code map storage strategy that is used for data not
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// containing description duplications. It is mainly intended to avoid
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// the overhead of the string table management when it is actually
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// unnecessary (i.e no string duplication).
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class DefaultMapStorage {
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public:
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DefaultMapStorage();
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virtual ~DefaultMapStorage();
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// Returns the phone number prefix located at the provided index.
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int32 GetPrefix(int index) const;
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// Gets the description corresponding to the phone number prefix located
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// at the provided index. If the description is not available in the current
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// language an empty string is returned.
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const char* GetDescription(int index) const;
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// Sets the internal state of the underlying storage implementation from the
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// provided area_codes that maps phone number prefixes to description strings.
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void ReadFromMap(const PrefixDescriptions* descriptions);
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// Returns the number of entries contained in the area code map.
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int GetNumOfEntries() const;
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// Returns an array containing the possible lengths of prefixes sorted in
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// ascending order.
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const int* GetPossibleLengths() const;
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// Returns the number of elements in GetPossibleLengths() array.
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int GetPossibleLengthsSize() const;
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private:
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// Sorted sequence of phone number prefixes.
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const int32* prefixes_;
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int prefixes_size_;
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// Sequence of prefix descriptions, in the same order than prefixes_.
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const char** descriptions_;
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// Sequence of unique possible lengths in ascending order.
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const int32* possible_lengths_;
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int possible_lengths_size_;
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DISALLOW_COPY_AND_ASSIGN(DefaultMapStorage);
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};
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} // namespace phonenumbers
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} // namespace i18n
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#endif /* I18N_PHONENUMBERS_DEFAULT_MAP_STORAGE_H_ */
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