vn-verdnaturachat/ios/Pods/Folly/folly/UTF8String.h

49 lines
1.4 KiB
C++

/*
* Copyright 2011-present Facebook, 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.
*/
#pragma once
#include <string>
#include <boost/regex/pending/unicode_iterator.hpp>
#include <folly/Range.h>
namespace folly {
template <
class Iterator = const char*,
class Base = folly::Range<boost::u8_to_u32_iterator<Iterator>>>
class UTF8Range : public Base {
public:
/* implicit */ UTF8Range(const folly::Range<Iterator> baseRange)
: Base(
boost::u8_to_u32_iterator<Iterator>(
baseRange.begin(),
baseRange.begin(),
baseRange.end()),
boost::u8_to_u32_iterator<Iterator>(
baseRange.end(),
baseRange.begin(),
baseRange.end())) {}
/* implicit */ UTF8Range(const std::string& baseString)
: Base(folly::Range<Iterator>(baseString)) {}
};
using UTF8StringPiece = UTF8Range<const char*>;
} // namespace folly