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