mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
synced 2024-12-27 21:45:42 +00:00
238 lines
8.8 KiB
C++
238 lines
8.8 KiB
C++
/*=============================================================================
|
|
Copyright (c) 2011-2016 Bolero MURAKAMI
|
|
https://github.com/bolero-MURAKAMI/Sprout
|
|
|
|
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)
|
|
=============================================================================*/
|
|
#ifndef SPROUT_STRING_DETAIL_FIND_HPP
|
|
#define SPROUT_STRING_DETAIL_FIND_HPP
|
|
|
|
#include <sprout/config.hpp>
|
|
#include <sprout/string/char_traits.hpp>
|
|
#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
|
|
|
|
namespace sprout {
|
|
namespace string_detail {
|
|
template<typename String, typename ConstIterator>
|
|
static SPROUT_CONSTEXPR typename String::size_type
|
|
find_impl_1(
|
|
typename String::const_iterator data, typename String::size_type len,
|
|
ConstIterator s, typename String::size_type pos, typename String::size_type n
|
|
)
|
|
{
|
|
return pos <= len - n
|
|
? String::traits_type::eq(data[pos], *s) && String::traits_type::compare(data + (pos + 1), s + 1, n - 1) == 0
|
|
? pos
|
|
: sprout::string_detail::find_impl_1<String>(data, len, s, pos + 1, n)
|
|
: String::npos
|
|
;
|
|
}
|
|
template<typename String, typename ConstIterator>
|
|
static SPROUT_CONSTEXPR typename String::size_type
|
|
find_impl(
|
|
typename String::const_iterator data, typename String::size_type len,
|
|
ConstIterator s, typename String::size_type pos, typename String::size_type n
|
|
)
|
|
{
|
|
return n == 0 ? (pos <= len ? pos : String::npos)
|
|
: n <= len ? sprout::string_detail::find_impl_1<String>(data, len, s, pos, n)
|
|
: String::npos
|
|
;
|
|
}
|
|
template<typename String>
|
|
static SPROUT_CONSTEXPR typename String::size_type
|
|
find_c_impl_1(
|
|
typename String::const_iterator data, typename String::size_type len,
|
|
typename String::const_iterator p
|
|
)
|
|
{
|
|
return sprout::char_traits_helper<typename String::traits_type>::is_found(p, data + len) ? p - data
|
|
: String::npos
|
|
;
|
|
}
|
|
template<typename String>
|
|
static SPROUT_CONSTEXPR typename String::size_type
|
|
find_c_impl(
|
|
typename String::const_iterator data, typename String::size_type len,
|
|
typename String::value_type c, typename String::size_type pos
|
|
)
|
|
{
|
|
return pos < len ? sprout::string_detail::find_c_impl_1<String>(
|
|
data, len, sprout::char_traits_helper<typename String::traits_type>::find(data + pos, len - pos, c)
|
|
)
|
|
: String::npos
|
|
;
|
|
}
|
|
template<typename String, typename ConstIterator>
|
|
static SPROUT_CONSTEXPR typename String::size_type
|
|
rfind_impl_1(
|
|
typename String::const_iterator data, typename String::size_type len,
|
|
ConstIterator s, typename String::size_type pos, typename String::size_type n
|
|
)
|
|
{
|
|
return String::traits_type::compare(data + pos, s, n) == 0 ? pos
|
|
: pos > 0 ? sprout::string_detail::rfind_impl_1<String>(data, len, s, pos - 1, n)
|
|
: String::npos
|
|
;
|
|
}
|
|
template<typename String, typename ConstIterator>
|
|
static SPROUT_CONSTEXPR typename String::size_type
|
|
rfind_impl(
|
|
typename String::const_iterator data, typename String::size_type len,
|
|
ConstIterator s, typename String::size_type pos, typename String::size_type n
|
|
)
|
|
{
|
|
return n <= len ? sprout::string_detail::rfind_impl_1<String>(
|
|
data, len, s, NS_SSCRISK_CEL_OR_SPROUT::min(typename String::size_type(len - n), pos), n
|
|
)
|
|
: String::npos
|
|
;
|
|
}
|
|
template<typename String>
|
|
static SPROUT_CONSTEXPR typename String::size_type
|
|
rfind_c_impl_1(
|
|
typename String::const_iterator data, typename String::size_type len, typename String::value_type c
|
|
)
|
|
{
|
|
return len > 0
|
|
? String::traits_type::eq(data[len - 1], c)
|
|
? len - 1
|
|
: sprout::string_detail::rfind_c_impl_1<String>(data, len - 1, c)
|
|
: String::npos
|
|
;
|
|
}
|
|
|
|
template<typename String>
|
|
static SPROUT_CONSTEXPR typename String::size_type
|
|
rfind_c_impl(
|
|
typename String::const_iterator data, typename String::size_type len,
|
|
typename String::value_type c, typename String::size_type pos
|
|
)
|
|
{
|
|
return len ? sprout::string_detail::rfind_c_impl_1<String>(data, len - 1 > pos ? pos + 1 : len, c)
|
|
: String::npos
|
|
;
|
|
}
|
|
template<typename String, typename ConstIterator>
|
|
static SPROUT_CONSTEXPR typename String::size_type
|
|
find_first_of_impl(
|
|
typename String::const_iterator data, typename String::size_type len,
|
|
ConstIterator s, typename String::size_type pos, typename String::size_type n
|
|
)
|
|
{
|
|
return n && pos < len
|
|
? sprout::char_traits_helper<typename String::traits_type>::is_found(
|
|
sprout::char_traits_helper<typename String::traits_type>::find(s, n, data[pos]), s + n
|
|
)
|
|
? pos
|
|
: sprout::string_detail::find_first_of_impl<String>(data, len, s, pos + 1, n)
|
|
: String::npos
|
|
;
|
|
}
|
|
template<typename String, typename ConstIterator>
|
|
static SPROUT_CONSTEXPR typename String::size_type
|
|
find_last_of_impl_1(
|
|
typename String::const_iterator data, typename String::size_type len,
|
|
ConstIterator s, typename String::size_type pos, typename String::size_type n
|
|
)
|
|
{
|
|
return sprout::char_traits_helper<typename String::traits_type>::is_found(
|
|
sprout::char_traits_helper<typename String::traits_type>::find(s, n, data[len]), s + n
|
|
) ? len
|
|
: len ? sprout::string_detail::find_last_of_impl_1<String>(data, len - 1, s, pos, n)
|
|
: String::npos
|
|
;
|
|
}
|
|
template<typename String, typename ConstIterator>
|
|
static SPROUT_CONSTEXPR typename String::size_type
|
|
find_last_of_impl(
|
|
typename String::const_iterator data, typename String::size_type len,
|
|
ConstIterator s, typename String::size_type pos, typename String::size_type n
|
|
)
|
|
{
|
|
return len && n ? sprout::string_detail::find_last_of_impl_1<String>(data, len - 1 > pos ? pos : len - 1, s, pos, n)
|
|
: String::npos
|
|
;
|
|
}
|
|
template<typename String, typename ConstIterator>
|
|
static SPROUT_CONSTEXPR typename String::size_type
|
|
find_first_not_of_impl(
|
|
typename String::const_iterator data, typename String::size_type len,
|
|
ConstIterator s, typename String::size_type pos, typename String::size_type n
|
|
)
|
|
{
|
|
return pos < len
|
|
? !sprout::char_traits_helper<typename String::traits_type>::is_found(
|
|
sprout::char_traits_helper<typename String::traits_type>::find(s, n, data[pos]), s + n
|
|
)
|
|
? pos
|
|
: sprout::string_detail::find_first_not_of_impl<String>(data, len, s, pos + 1, n)
|
|
: String::npos
|
|
;
|
|
}
|
|
template<typename String>
|
|
static SPROUT_CONSTEXPR typename String::size_type
|
|
find_first_not_of_c_impl(
|
|
typename String::const_iterator data, typename String::size_type len,
|
|
typename String::value_type c, typename String::size_type pos
|
|
)
|
|
{
|
|
return pos < len ? !String::traits_type::eq(data[pos], c)
|
|
? pos
|
|
: sprout::string_detail::find_first_not_of_c_impl<String>(data, len, c, pos + 1)
|
|
: String::npos
|
|
;
|
|
}
|
|
template<typename String, typename ConstIterator>
|
|
static SPROUT_CONSTEXPR typename String::size_type
|
|
find_last_not_of_impl_1(
|
|
typename String::const_iterator data, typename String::size_type len,
|
|
ConstIterator s, typename String::size_type pos, typename String::size_type n
|
|
)
|
|
{
|
|
return !sprout::char_traits_helper<typename String::traits_type>::is_found(
|
|
sprout::char_traits_helper<typename String::traits_type>::find(s, n, data[len]), s + n
|
|
) ? len
|
|
: len ? sprout::string_detail::find_last_not_of_impl_1<String>(data, len - 1, s, pos, n)
|
|
: String::npos
|
|
;
|
|
}
|
|
template<typename String, typename ConstIterator>
|
|
static SPROUT_CONSTEXPR typename String::size_type
|
|
find_last_not_of_impl(
|
|
typename String::const_iterator data, typename String::size_type len,
|
|
ConstIterator s, typename String::size_type pos, typename String::size_type n
|
|
)
|
|
{
|
|
return len ? sprout::string_detail::find_last_not_of_impl_1<String>(data, len - 1 > pos ? pos : len - 1, s, pos, n)
|
|
: String::npos
|
|
;
|
|
}
|
|
template<typename String>
|
|
static SPROUT_CONSTEXPR typename String::size_type
|
|
find_last_not_of_c_impl_1(
|
|
typename String::const_iterator data, typename String::size_type len,
|
|
typename String::value_type c, typename String::size_type pos
|
|
)
|
|
{
|
|
return !String::traits_type::eq(data[len], c) ? len
|
|
: len ? sprout::string_detail::find_last_not_of_c_impl_1<String>(data, len - 1, c, pos)
|
|
: String::npos
|
|
;
|
|
}
|
|
template<typename String>
|
|
static SPROUT_CONSTEXPR typename String::size_type
|
|
find_last_not_of_c_impl(
|
|
typename String::const_iterator data, typename String::size_type len,
|
|
typename String::value_type c, typename String::size_type pos
|
|
)
|
|
{
|
|
return len ? sprout::string_detail::find_last_not_of_c_impl_1<String>(data, len - 1 > pos ? pos : len - 1, c, pos)
|
|
: String::npos
|
|
;
|
|
}
|
|
} // namespace string_detail
|
|
} // namespace sprout
|
|
|
|
#endif // #ifndef SPROUT_STRING_DETAIL_FIND_HPP
|