boost/algorithm/string/find_format.hpp
// Boost string_algo library find_format.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_FIND_FORMAT_HPP
#define BOOST_STRING_FIND_FORMAT_HPP
#include <deque>
#include <boost/detail/iterator.hpp>
#include <boost/range/iterator_range.hpp>
#include <boost/range/begin.hpp>
#include <boost/range/end.hpp>
#include <boost/range/const_iterator.hpp>
#include <boost/range/as_literal.hpp>
#include <boost/algorithm/string/concept.hpp>
#include <boost/algorithm/string/detail/find_format.hpp>
#include <boost/algorithm/string/detail/find_format_all.hpp>
/*! \file
Defines generic replace algorithms. Each algorithm replaces
part(s) of the input. The part to be replaced is looked up using a Finder object.
Result of finding is then used by a Formatter object to generate the replacement.
*/
namespace boost {
namespace algorithm {
// generic replace -----------------------------------------------------------------//
//! Generic replace algorithm
/*!
Use the Finder to search for a substring. Use the Formatter to format
this substring and replace it in the input.
The result is a modified copy of the input. 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 sequence
\param Finder A Finder object used to search for a match to be replaced
\param Formatter A Formatter object used to format a match
\return An output iterator pointing just after the last inserted character or
a modified copy of the input
\note The second variant of this function provides the strong exception-safety guarantee
*/
template<
typename OutputIteratorT,
typename RangeT,
typename FinderT,
typename FormatterT>
inline OutputIteratorT find_format_copy(
OutputIteratorT Output,
const RangeT& Input,
FinderT Finder,
FormatterT Formatter )
{
// Concept check
function_requires<
FinderConcept<FinderT,
BOOST_STRING_TYPENAME range_const_iterator<RangeT>::type> >();
function_requires<
FormatterConcept<
FormatterT,
FinderT,BOOST_STRING_TYPENAME range_const_iterator<RangeT>::type> >();
iterator_range<BOOST_STRING_TYPENAME range_const_iterator<RangeT>::type> lit_input(as_literal(Input));
return detail::find_format_copy_impl(
Output,
lit_input,
Formatter,
Finder( begin(lit_input), end(lit_input) ) );
}
//! Generic replace algorithm
/*!
\overload
*/
template<
typename SequenceT,
typename FinderT,
typename FormatterT>
inline SequenceT find_format_copy(
const SequenceT& Input,
FinderT Finder,
FormatterT Formatter )
{
// Concept check
function_requires<
FinderConcept<FinderT,
BOOST_STRING_TYPENAME range_const_iterator<SequenceT>::type> >();
function_requires<
FormatterConcept<
FormatterT,
FinderT,BOOST_STRING_TYPENAME range_const_iterator<SequenceT>::type> >();
return detail::find_format_copy_impl(
Input,
Formatter,
Finder(begin(Input), end(Input)));
}
//! Generic replace algorithm
/*!
Use the Finder to search for a substring. Use the Formatter to format
this substring and replace it in the input. The input is modified in-place.
\param Input An input sequence
\param Finder A Finder object used to search for a match to be replaced
\param Formatter A Formatter object used to format a match
*/
template<
typename SequenceT,
typename FinderT,
typename FormatterT>
inline void find_format(
SequenceT& Input,
FinderT Finder,
FormatterT Formatter)
{
// Concept check
function_requires<
FinderConcept<FinderT,
BOOST_STRING_TYPENAME range_const_iterator<SequenceT>::type> >();
function_requires<
FormatterConcept<
FormatterT,
FinderT,BOOST_STRING_TYPENAME range_const_iterator<SequenceT>::type> >();
detail::find_format_impl(
Input,
Formatter,
Finder(begin(Input), end(Input)));
}
// find_format_all generic ----------------------------------------------------------------//
//! Generic replace all algorithm
/*!
Use the Finder to search for a substring. Use the Formatter to format
this substring and replace it in the input. Repeat this for all matching
substrings.
The result is a modified copy of the input. 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 sequence
\param Finder A Finder object used to search for a match to be replaced
\param Formatter A Formatter object used to format a match
\return An output iterator pointing just after the last inserted character or
a modified copy of the input
\note The second variant of this function provides the strong exception-safety guarantee
*/
template<
typename OutputIteratorT,
typename RangeT,
typename FinderT,
typename FormatterT>
inline OutputIteratorT find_format_all_copy(
OutputIteratorT Output,
const RangeT& Input,
FinderT Finder,
FormatterT Formatter)
{
// Concept check
function_requires<
FinderConcept<FinderT,
BOOST_STRING_TYPENAME range_const_iterator<RangeT>::type> >();
function_requires<
FormatterConcept<
FormatterT,
FinderT,BOOST_STRING_TYPENAME range_const_iterator<RangeT>::type> >();
iterator_range<BOOST_STRING_TYPENAME range_const_iterator<RangeT>::type> lit_input(as_literal(Input));
return detail::find_format_all_copy_impl(
Output,
lit_input,
Finder,
Formatter,
Finder(begin(lit_input), end(lit_input)));
}
//! Generic replace all algorithm
/*!
\overload
*/
template<
typename SequenceT,
typename FinderT,
typename FormatterT >
inline SequenceT find_format_all_copy(
const SequenceT& Input,
FinderT Finder,
FormatterT Formatter )
{
// Concept check
function_requires<
FinderConcept<FinderT,
BOOST_STRING_TYPENAME range_const_iterator<SequenceT>::type> >();
function_requires<
FormatterConcept<
FormatterT,
FinderT,BOOST_STRING_TYPENAME range_const_iterator<SequenceT>::type> >();
return detail::find_format_all_copy_impl(
Input,
Finder,
Formatter,
Finder( begin(Input), end(Input) ) );
}
//! Generic replace all algorithm
/*!
Use the Finder to search for a substring. Use the Formatter to format
this substring and replace it in the input. Repeat this for all matching
substrings.The input is modified in-place.
\param Input An input sequence
\param Finder A Finder object used to search for a match to be replaced
\param Formatter A Formatter object used to format a match
*/
template<
typename SequenceT,
typename FinderT,
typename FormatterT >
inline void find_format_all(
SequenceT& Input,
FinderT Finder,
FormatterT Formatter )
{
// Concept check
function_requires<
FinderConcept<FinderT,
BOOST_STRING_TYPENAME range_const_iterator<SequenceT>::type> >();
function_requires<
FormatterConcept<
FormatterT,
FinderT,BOOST_STRING_TYPENAME range_const_iterator<SequenceT>::type> >();
detail::find_format_all_impl(
Input,
Finder,
Formatter,
Finder(begin(Input), end(Input)));
}
} // namespace algorithm
// pull the names to the boost namespace
using algorithm::find_format_copy;
using algorithm::find_format;
using algorithm::find_format_all_copy;
using algorithm::find_format_all;
} // namespace boost
#endif // BOOST_STRING_FIND_FORMAT_HPP