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68 lines
2.2 KiB
68 lines
2.2 KiB
/*
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* Copyright (C) 2014 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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#include "phonenumbers/regex_based_matcher.h"
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#include <string>
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#include "phonenumbers/base/memory/scoped_ptr.h"
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#include "phonenumbers/phonemetadata.pb.h"
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#include "phonenumbers/regexp_adapter.h"
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#include "phonenumbers/regexp_cache.h"
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#include "phonenumbers/regexp_factory.h"
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namespace i18n {
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namespace phonenumbers {
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// Same implementations of AbstractRegExpFactory and RegExpCache in
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// PhoneNumberUtil (copy from phonenumberutil.cc).
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RegexBasedMatcher::RegexBasedMatcher()
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: regexp_factory_(new RegExpFactory()),
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regexp_cache_(new RegExpCache(*regexp_factory_, 128)) {}
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RegexBasedMatcher::~RegexBasedMatcher() {}
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bool RegexBasedMatcher::MatchNationalNumber(
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const string& number,
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const PhoneNumberDesc& number_desc,
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bool allow_prefix_match) const {
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const string& national_number_pattern = number_desc.national_number_pattern();
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// We don't want to consider it a prefix match when matching non-empty input
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// against an empty pattern.
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if (national_number_pattern.empty()) {
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return false;
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}
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return Match(number, national_number_pattern, allow_prefix_match);
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}
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bool RegexBasedMatcher::Match(
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const string& number,
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const string& number_pattern,
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bool allow_prefix_match) const {
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const RegExp& regexp(regexp_cache_->GetRegExp(number_pattern));
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if (regexp.FullMatch(number)) {
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return true;
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}
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const scoped_ptr<RegExpInput> normalized_number_input(
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regexp_factory_->CreateInput(number));
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return regexp.Consume(normalized_number_input.get())
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? allow_prefix_match
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: false;
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}
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} // namespace phonenumbers
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} // namespace i18n
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