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176 lines (149 loc) · 6.02 KB
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// Boost string_algo library case_conv.hpp header file ---------------------------//
// Copyright Pavol Droba 2002-2003.
//
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org/ for updates, documentation, and revision history.
#ifndef BOOST_STRING_CASE_CONV_HPP
#define BOOST_STRING_CASE_CONV_HPP
#include <boost/algorithm/string/config.hpp>
#include <algorithm>
#include <locale>
#include <boost/iterator/transform_iterator.hpp>
#include <boost/range/as_literal.hpp>
#include <boost/range/begin.hpp>
#include <boost/range/end.hpp>
#include <boost/range/value_type.hpp>
#include <boost/algorithm/string/detail/case_conv.hpp>
/*! \file
Defines sequence case-conversion algorithms.
Algorithms convert each element in the input sequence to the
desired case using provided locales.
*/
namespace boost {
namespace algorithm {
// to_lower -----------------------------------------------//
//! Convert to lower case
/*!
Each element of the input sequence is converted to lower
case. The result is a copy of the input converted to lower case.
It is returned as a sequence or copied to the output iterator.
\param Output An output iterator to which the result will be copied
\param Input An input range
\param Loc A locale used for conversion
\return
An output iterator pointing just after the last inserted character or
a copy of the input
\note The second variant of this function provides the strong exception-safety guarantee
*/
template<typename OutputIteratorT, typename RangeT>
inline OutputIteratorT
to_lower_copy(
OutputIteratorT Output,
const RangeT& Input,
const std::locale& Loc=std::locale())
{
return ::boost::algorithm::detail::transform_range_copy(
Output,
::boost::as_literal(Input),
::boost::algorithm::detail::to_lowerF<
typename range_value<RangeT>::type >(Loc));
}
//! Convert to lower case
/*!
\overload
*/
template<typename SequenceT>
inline SequenceT to_lower_copy(
const SequenceT& Input,
const std::locale& Loc=std::locale())
{
return ::boost::algorithm::detail::transform_range_copy<SequenceT>(
Input,
::boost::algorithm::detail::to_lowerF<
typename range_value<SequenceT>::type >(Loc));
}
//! Convert to lower case
/*!
Each element of the input sequence is converted to lower
case. The input sequence is modified in-place.
\param Input A range
\param Loc a locale used for conversion
*/
template<typename WritableRangeT>
inline void to_lower(
WritableRangeT& Input,
const std::locale& Loc=std::locale())
{
::boost::algorithm::detail::transform_range(
::boost::as_literal(Input),
::boost::algorithm::detail::to_lowerF<
typename range_value<WritableRangeT>::type >(Loc));
}
// to_upper -----------------------------------------------//
//! Convert to upper case
/*!
Each element of the input sequence is converted to upper
case. The result is a copy of the input converted to upper case.
It is returned as a sequence or copied to the output iterator
\param Output An output iterator to which the result will be copied
\param Input An input range
\param Loc A locale used for conversion
\return
An output iterator pointing just after the last inserted character or
a copy of the input
\note The second variant of this function provides the strong exception-safety guarantee
*/
template<typename OutputIteratorT, typename RangeT>
inline OutputIteratorT
to_upper_copy(
OutputIteratorT Output,
const RangeT& Input,
const std::locale& Loc=std::locale())
{
return ::boost::algorithm::detail::transform_range_copy(
Output,
::boost::as_literal(Input),
::boost::algorithm::detail::to_upperF<
typename range_value<RangeT>::type >(Loc));
}
//! Convert to upper case
/*!
\overload
*/
template<typename SequenceT>
inline SequenceT to_upper_copy(
const SequenceT& Input,
const std::locale& Loc=std::locale())
{
return ::boost::algorithm::detail::transform_range_copy<SequenceT>(
Input,
::boost::algorithm::detail::to_upperF<
typename range_value<SequenceT>::type >(Loc));
}
//! Convert to upper case
/*!
Each element of the input sequence is converted to upper
case. The input sequence is modified in-place.
\param Input An input range
\param Loc a locale used for conversion
*/
template<typename WritableRangeT>
inline void to_upper(
WritableRangeT& Input,
const std::locale& Loc=std::locale())
{
::boost::algorithm::detail::transform_range(
::boost::as_literal(Input),
::boost::algorithm::detail::to_upperF<
typename range_value<WritableRangeT>::type >(Loc));
}
} // namespace algorithm
// pull names to the boost namespace
using algorithm::to_lower;
using algorithm::to_lower_copy;
using algorithm::to_upper;
using algorithm::to_upper_copy;
} // namespace boost
#endif // BOOST_STRING_CASE_CONV_HPP