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Sprout/sprout/string/string.hpp
bolero-MURAKAMI 1b8c051008 add valarray
2016-04-03 13:12:14 +09:00

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/*=============================================================================
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_STRING_HPP
#define SPROUT_STRING_STRING_HPP
#include <string>
#include <iterator>
#include <utility>
#include <stdexcept>
#include <type_traits>
#include <initializer_list>
#include <sprout/config.hpp>
#include <sprout/detail/predef.hpp>
#include <sprout/workaround/std/cstddef.hpp>
#include <sprout/index_tuple/metafunction.hpp>
#include <sprout/array/array.hpp>
#include <sprout/array/make_array.hpp>
#include <sprout/iterator/reverse_iterator.hpp>
#include <sprout/iterator/value_iterator.hpp>
#include <sprout/iterator/operation.hpp>
#include <sprout/iterator/type_traits/is_iterator_of.hpp>
#include <sprout/algorithm/find.hpp>
#include <sprout/algorithm/cxx14/swap_ranges.hpp>
#include <sprout/utility/forward.hpp>
#include <sprout/utility/swap.hpp>
#include <sprout/type_traits/integral_constant.hpp>
#include <sprout/type_traits/identity.hpp>
#include <sprout/type_traits/enabler_if.hpp>
#include <sprout/math/less.hpp>
#include <sprout/string/char_traits.hpp>
#include <sprout/string/npos.hpp>
#include <sprout/string/detail/operations.hpp>
#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
#if SPROUT_USE_INDEX_ITERATOR_IMPLEMENTATION
# include <sprout/iterator/index_iterator.hpp>
#endif
#include <sprout/workaround/enable_if_with_array.hpp>
namespace sprout {
namespace detail {
template<typename Iterator, typename T, std::size_t N>
class constant_size_source {
private:
typedef sprout::array<T, N> array_type;
public:
typedef typename array_type::size_type size_type;
typedef typename array_type::const_reference const_reference;
private:
array_type arr_;
size_type size_;
public:
SPROUT_CONSTEXPR constant_size_source()
: arr_{{}}, size_()
{}
template<typename... Args>
explicit SPROUT_CONSTEXPR constant_size_source(size_type n, Args&&... args)
: arr_{{static_cast<T>(SPROUT_FORWARD(Args, args))...}}, size_(n)
{}
SPROUT_CONSTEXPR size_type size() const {
return size_;
}
SPROUT_CONSTEXPR const_reference operator[](size_type i) const {
return arr_[i];
}
};
template<typename T, std::size_t N, typename RandomAccessIterator>
inline SPROUT_CONSTEXPR typename std::enable_if<
sprout::is_random_access_iterator<RandomAccessIterator>::value,
typename std::iterator_traits<RandomAccessIterator>::difference_type
>::type
make_constant_size_source(RandomAccessIterator const& first, RandomAccessIterator const& last) {
return sprout::distance(first, last);
}
template<typename T, std::size_t N, typename InputIterator, typename... Args>
inline SPROUT_CONSTEXPR typename std::enable_if<
N == sizeof...(Args),
sprout::detail::constant_size_source<InputIterator, T, N>
>::type
make_constant_size_source_impl(InputIterator first, InputIterator last, Args const&... args) {
return sprout::detail::constant_size_source<InputIterator, T, N>(sizeof...(args) + (first != last ? 1 : 0), args...);
}
template<typename T, std::size_t N, typename InputIterator, typename... Args>
inline SPROUT_CONSTEXPR typename std::enable_if<
N != sizeof...(Args),
sprout::detail::constant_size_source<InputIterator, T, N>
>::type
make_constant_size_source_impl(InputIterator first, InputIterator last, Args const&... args) {
return first != last
? sprout::detail::make_constant_size_source_impl<T, N>(sprout::next(first), last, args..., *first)
: sprout::detail::constant_size_source<InputIterator, T, N>(sizeof...(args), args...)
;
}
template<typename T, std::size_t N, typename InputIterator>
inline SPROUT_CONSTEXPR typename std::enable_if<
!sprout::is_random_access_iterator<InputIterator>::value,
sprout::detail::constant_size_source<InputIterator, T, N>
>::type
make_constant_size_source(InputIterator const& first, InputIterator const& last) {
return sprout::detail::make_constant_size_source_impl<T, N>(first, last);
}
} // namespace detail
namespace detail {
struct string_raw_construct_t {};
struct string_checked_construct_t {};
struct string_range_construct_t {};
template<typename T, std::size_t N, typename Traits = sprout::char_traits<T> >
class string_construct_access;
template<typename T, std::size_t N, typename Traits>
class basic_string_impl {
public:
typedef typename Traits::char_type value_type;
typedef value_type& reference;
typedef value_type const& const_reference;
typedef std::size_t size_type;
typedef std::ptrdiff_t difference_type;
typedef value_type* pointer;
typedef value_type const* const_pointer;
typedef Traits traits_type;
public:
value_type elems[N + 1];
size_type len;
public:
SPROUT_CONSTEXPR basic_string_impl()
: elems{}, len()
{}
basic_string_impl(basic_string_impl const&) = default;
basic_string_impl(basic_string_impl&&) = default;
template<typename String, sprout::index_t... Indexes>
SPROUT_CONSTEXPR basic_string_impl(
sprout::index_tuple<Indexes...>,
String const& str, size_type pos, size_type n
)
: elems{
(sprout::math::less(Indexes, n) ? static_cast<value_type>(str[Indexes + pos])
: value_type()
)...
}
, len(n)
{}
template<typename String, sprout::index_t... Indexes>
SPROUT_CONSTEXPR basic_string_impl(
sprout::index_tuple<Indexes...>,
sprout::detail::string_checked_construct_t, String const& str, size_type pos, size_type n
)
: elems{
(sprout::math::less(Indexes, n) ? static_cast<value_type>(str[Indexes + pos])
: value_type()
)...
}
, len(!sprout::math::less(N, n) ? n
: throw std::length_error("basic_string<>: length exceeded")
)
{}
template<typename RandomAccessIterator, typename Size, sprout::index_t... Indexes>
SPROUT_CONSTEXPR basic_string_impl(
sprout::index_tuple<Indexes...>,
sprout::detail::string_range_construct_t, RandomAccessIterator const& str, Size n,
std::random_access_iterator_tag*
)
: elems{
(sprout::math::less(Indexes, n) ? static_cast<value_type>(str[Indexes])
: value_type()
)...
}
, len(!sprout::math::less(N, n) ? n
: throw std::length_error("basic_string<>: length exceeded")
)
{}
template<typename InputIterator, typename Source, sprout::index_t... Indexes>
SPROUT_CONSTEXPR basic_string_impl(
sprout::index_tuple<Indexes...>,
sprout::detail::string_range_construct_t, InputIterator, Source const& str,
void*
)
: elems{
(sprout::math::less(Indexes, str.size()) ? static_cast<value_type>(str[Indexes])
: value_type()
)...
}
, len(!(N < str.size()) ? str.size()
: throw std::length_error("basic_string<>: length exceeded")
)
{}
template<typename... Args, sprout::index_t... Indexes>
SPROUT_CONSTEXPR basic_string_impl(
sprout::index_tuple<Indexes...>,
sprout::detail::string_raw_construct_t, size_type n, Args&&... args
)
: elems{
(sprout::math::less(Indexes, n) ? static_cast<value_type>(SPROUT_FORWARD(Args, args))
: value_type()
)...
}
, len(n)
{}
};
} // namespace detail
//
// basic_string
//
template<typename T, std::size_t N, typename Traits = sprout::char_traits<T> >
class basic_string {
friend class sprout::detail::string_construct_access<T, N, Traits>;
private:
typedef sprout::detail::basic_string_impl<T, N, Traits> impl_type;
public:
typedef typename impl_type::value_type value_type;
typedef typename impl_type::reference reference;
typedef typename impl_type::const_reference const_reference;
typedef typename impl_type::size_type size_type;
typedef typename impl_type::difference_type difference_type;
typedef typename impl_type::pointer pointer;
typedef typename impl_type::const_pointer const_pointer;
typedef typename impl_type::traits_type traits_type;
#if SPROUT_USE_INDEX_ITERATOR_IMPLEMENTATION
typedef sprout::index_iterator<basic_string&, true> iterator;
typedef sprout::index_iterator<basic_string const&, true> const_iterator;
#else
typedef T* iterator;
typedef T const* const_iterator;
#endif
typedef sprout::reverse_iterator<iterator> reverse_iterator;
typedef sprout::reverse_iterator<const_iterator> const_reverse_iterator;
private:
#if SPROUT_USE_INDEX_ITERATOR_IMPLEMENTATION
template<typename Iterator>
class is_string_iterator
: public sprout::false_type
{};
template<typename Iterator>
class is_string_iterator<Iterator const>
: public is_string_iterator<Iterator>
{};
template<typename Iterator>
class is_string_iterator<Iterator volatile>
: public is_string_iterator<Iterator>
{};
template<typename Iterator>
class is_string_iterator<Iterator const volatile>
: public is_string_iterator<Iterator>
{};
template<std::size_t N2>
class is_string_iterator<sprout::index_iterator<basic_string<T, N2, Traits>&, true> >
: public sprout::true_type
{};
template<std::size_t N2>
class is_string_iterator<sprout::index_iterator<basic_string<T, N2, Traits> const&, true> >
: public sprout::true_type
{};
#endif
public:
SPROUT_STATIC_CONSTEXPR size_type npos = sprout::npos_t::get<size_type>::value;
SPROUT_STATIC_CONSTEXPR size_type static_size = N;
public:
static SPROUT_CONSTEXPR basic_string from_c_str(T const* s, size_type n) {
return basic_string(s, n);
}
static SPROUT_CONSTEXPR basic_string from_c_str(T const* s) {
return basic_string(s);
}
static SPROUT_NON_CONSTEXPR basic_string from_c_str(std::basic_string<T, Traits> const& s) {
return from_c_str(s.data(), s.size());
}
private:
impl_type impl_;
private:
template<typename... Args, typename Enable = typename std::enable_if<(sizeof...(Args) <= N)>::type>
SPROUT_CONSTEXPR basic_string(sprout::detail::string_raw_construct_t, size_type n, Args&&... args)
: impl_(
sprout::index_pack<Args...>::make(),
sprout::detail::string_raw_construct_t(), n, SPROUT_FORWARD(Args, args)...
)
{}
SPROUT_CXX14_CONSTEXPR void
maxcheck(size_type n) const {
if (n > max_size()) {
throw std::out_of_range("basic_string<>: index out of range");
}
}
SPROUT_CXX14_CONSTEXPR void
lengthcheck(size_type n) const {
if (n > max_size()) {
throw std::length_error("basic_string<>: length exceeded");
}
}
SPROUT_CXX14_CONSTEXPR void
put_terminator(size_type n) {
if (n < size()) {
traits_type::assign(begin() + n, size() - n, value_type());
}
impl_.len = n;
}
template<typename InputIterator>
SPROUT_CXX14_CONSTEXPR basic_string&
assign(InputIterator first, InputIterator last, std::input_iterator_tag*) {
iterator it = begin();
for (; first != last; ++first, ++it) {
if (sprout::distance(begin(), it) > max_size()) {
throw std::length_error("basic_string<>: length exceeded");
}
traits_type::assign(*it, *first);
}
put_terminator(sprout::distance(begin(), it));
return *this;
}
template<typename ForwardIterator>
SPROUT_CXX14_CONSTEXPR basic_string&
assign(ForwardIterator first, ForwardIterator last, std::forward_iterator_tag*) {
lengthcheck(sprout::distance(first, last));
iterator it = begin();
for (; first != last; ++first, ++it) {
traits_type::assign(*it, *first);
}
put_terminator(sprout::distance(begin(), it));
return *this;
}
template<typename InputIterator>
SPROUT_CXX14_CONSTEXPR basic_string&
append(InputIterator first, InputIterator last, std::input_iterator_tag*) {
iterator it = end();
for (; first != last; ++first, ++it) {
if (sprout::distance(begin(), it) > max_size()) {
throw std::length_error("basic_string<>: length exceeded");
}
traits_type::assign(*it, *first);
}
put_terminator(size() + sprout::distance(end(), it));
return *this;
}
template<typename ForwardIterator>
SPROUT_CXX14_CONSTEXPR basic_string&
append(ForwardIterator first, ForwardIterator last, std::forward_iterator_tag*) {
lengthcheck(size() + sprout::distance(first, last));
iterator it = end();
for (; first != last; ++first, ++it) {
traits_type::assign(*it, *first);
}
put_terminator(size() + sprout::distance(end(), it));
return *this;
}
public:
// construct/copy/destroy:
SPROUT_CONSTEXPR basic_string() SPROUT_DEFAULTED_DEFAULT_CONSTRUCTOR_DECL
basic_string(basic_string const&) = default;
template<std::size_t N2, typename Enable = typename std::enable_if<(N2 < N)>::type>
SPROUT_CONSTEXPR basic_string(basic_string<T, N2, Traits> const& str)
: impl_(
sprout::make_index_tuple<N2>::make(),
str, 0, str.size()
)
{}
SPROUT_CONSTEXPR basic_string(basic_string const& str, size_type pos, size_type n = npos)
: impl_(
sprout::make_index_tuple<N>::make(),
str, pos, NS_SSCRISK_CEL_OR_SPROUT::min(n, str.size() - pos)
)
{}
template<std::size_t N2, typename Enable = typename std::enable_if<(N2 < N)>::type>
SPROUT_CONSTEXPR basic_string(basic_string<T, N2, Traits> const& str, size_type pos, size_type n = npos)
: impl_(
sprout::make_index_tuple<N2>::make(),
str, pos, NS_SSCRISK_CEL_OR_SPROUT::min(n, str.size() - pos)
)
{}
template<std::size_t N2 SPROUT_ENABLE_IF_WITH_ARRAY_IN_TEMPLATE_PARAMS((N2 - 1 <= N))>
SPROUT_CONSTEXPR basic_string(T const(& arr)[N2] SPROUT_ENABLE_IF_WITH_ARRAY_IN_PARAMS((N2 - 1 <= N)))
: impl_(
sprout::make_index_tuple<N2 - 1>::make(),
arr, 0, sprout::char_traits_helper<typename sprout::basic_string<T, N2 - 1>::traits_type>::length(arr, N2 - 1)
)
{}
template<std::size_t N2 SPROUT_ENABLE_IF_WITH_ARRAY_IN_TEMPLATE_PARAMS((N2 - 1 <= N))>
SPROUT_CONSTEXPR basic_string(T const(& arr)[N2], size_type n SPROUT_ENABLE_IF_WITH_ARRAY_IN_PARAMS((N2 - 1 <= N)))
: impl_(
sprout::make_index_tuple<N2 - 1>::make(),
arr, 0, NS_SSCRISK_CEL_OR_SPROUT::min(n, sprout::char_traits_helper<typename sprout::basic_string<T, N2 - 1>::traits_type>::length(arr, N2 - 1))
)
{}
explicit SPROUT_CONSTEXPR basic_string(value_type const* s)
: impl_(
sprout::make_index_tuple<N>::make(),
sprout::detail::string_checked_construct_t(), s, 0, traits_type::length(s)
)
{}
SPROUT_CONSTEXPR basic_string(value_type const* s, size_type n)
: impl_(
sprout::make_index_tuple<N>::make(),
sprout::detail::string_checked_construct_t(), s, 0, NS_SSCRISK_CEL_OR_SPROUT::min(n, traits_type::length(s))
)
{}
SPROUT_CONSTEXPR basic_string(size_type n, value_type c)
: impl_(
sprout::make_index_tuple<N>::make(),
sprout::detail::string_checked_construct_t(), sprout::value_iterator<value_type>(c), 0, n
)
{}
template<typename InputIterator, typename sprout::enabler_if<std::is_integral<InputIterator>::value>::type = sprout::enabler>
SPROUT_CONSTEXPR basic_string(InputIterator first, InputIterator last)
: impl_(
sprout::make_index_tuple<N>::make(),
sprout::detail::string_checked_construct_t(), sprout::value_iterator<value_type>(last), 0, first
)
{}
template<typename InputIterator, typename sprout::enabler_if<!std::is_integral<InputIterator>::value>::type = sprout::enabler>
SPROUT_CONSTEXPR basic_string(InputIterator first, InputIterator last)
: impl_(
sprout::make_index_tuple<N>::make(),
sprout::detail::string_range_construct_t(), first, sprout::detail::make_constant_size_source<T, N>(first, last),
typename sprout::identity<typename std::iterator_traits<InputIterator>::iterator_category*>::type()
)
{}
SPROUT_INITIALIZER_LIST_CONSTEXPR basic_string(std::initializer_list<value_type> il)
: impl_(
sprout::make_index_tuple<N>::make(),
sprout::detail::string_checked_construct_t(), il.begin(), 0, il.size()
)
{}
SPROUT_CXX14_CONSTEXPR basic_string&
operator=(basic_string const& rhs) {
return assign(rhs);
}
template<std::size_t N2, typename Enable = typename std::enable_if<(N2 != N)>::type>
SPROUT_CXX14_CONSTEXPR basic_string&
operator=(basic_string<T, N2, Traits> const& rhs) {
return assign(rhs);
}
SPROUT_CXX14_CONSTEXPR basic_string&
operator=(value_type const* rhs) {
return assign(rhs);
}
SPROUT_CXX14_CONSTEXPR basic_string&
operator=(value_type rhs) {
return assign(1, rhs);
}
SPROUT_CXX14_CONSTEXPR basic_string&
operator=(std::initializer_list<value_type> il) {
return assign(il);
}
// iterators:
#if SPROUT_USE_INDEX_ITERATOR_IMPLEMENTATION
SPROUT_CXX14_CONSTEXPR iterator
begin() SPROUT_NOEXCEPT {
return iterator(*this, 0);
}
SPROUT_CONSTEXPR const_iterator
begin() const SPROUT_NOEXCEPT {
return const_iterator(*this, 0);
}
SPROUT_CXX14_CONSTEXPR iterator
end() SPROUT_NOEXCEPT {
return iterator(*this, size());
}
SPROUT_CONSTEXPR const_iterator
end() const SPROUT_NOEXCEPT {
return const_iterator(*this, size());
}
#else
SPROUT_CXX14_CONSTEXPR iterator
begin() SPROUT_NOEXCEPT {
return data();
}
SPROUT_CONSTEXPR const_iterator
begin() const SPROUT_NOEXCEPT {
return data();
}
SPROUT_CXX14_CONSTEXPR iterator
end() SPROUT_NOEXCEPT {
return data() + size();
}
SPROUT_CONSTEXPR const_iterator
end() const SPROUT_NOEXCEPT {
return data() + size();
}
#endif
SPROUT_CXX14_CONSTEXPR reverse_iterator
rbegin() SPROUT_NOEXCEPT {
return const_reverse_iterator(end());
}
SPROUT_CONSTEXPR const_reverse_iterator
rbegin() const SPROUT_NOEXCEPT {
return const_reverse_iterator(end());
}
SPROUT_CXX14_CONSTEXPR reverse_iterator
rend() SPROUT_NOEXCEPT {
return const_reverse_iterator(begin());
}
SPROUT_CONSTEXPR const_reverse_iterator
rend() const SPROUT_NOEXCEPT {
return const_reverse_iterator(begin());
}
#if SPROUT_USE_INDEX_ITERATOR_IMPLEMENTATION
SPROUT_CONSTEXPR const_iterator
cbegin() const SPROUT_NOEXCEPT {
return const_iterator(*this, 0);
}
SPROUT_CONSTEXPR const_iterator
cend() const SPROUT_NOEXCEPT {
return const_iterator(*this, size());
}
#else
SPROUT_CONSTEXPR const_iterator
cbegin() const SPROUT_NOEXCEPT {
return data();
}
SPROUT_CONSTEXPR const_iterator
cend() const SPROUT_NOEXCEPT {
return data() + size();
}
#endif
SPROUT_CONSTEXPR const_reverse_iterator
crbegin() const SPROUT_NOEXCEPT {
return const_reverse_iterator(end());
}
SPROUT_CONSTEXPR const_reverse_iterator
crend() const SPROUT_NOEXCEPT {
return const_reverse_iterator(begin());
}
// capacity:
SPROUT_CONSTEXPR size_type
size() const SPROUT_NOEXCEPT {
return impl_.len;
}
SPROUT_CONSTEXPR size_type
length() const SPROUT_NOEXCEPT {
return size();
}
SPROUT_CONSTEXPR size_type
max_size() const SPROUT_NOEXCEPT {
return static_size;
}
SPROUT_CXX14_CONSTEXPR void
resize(size_type n, value_type c) {
lengthcheck(n);
if (n > size()) {
traits_type::assign(end(), n - size(), c);
}
put_terminator(n);
}
SPROUT_CXX14_CONSTEXPR void
resize(size_type n) {
resize(n, value_type());
}
SPROUT_CONSTEXPR size_type
capacity() const SPROUT_NOEXCEPT {
return static_size;
}
SPROUT_CXX14_CONSTEXPR void
clear() SPROUT_NOEXCEPT {
put_terminator(0);
}
SPROUT_CONSTEXPR bool
empty() const SPROUT_NOEXCEPT {
return size() == 0;
}
// element access:
SPROUT_CXX14_CONSTEXPR reference
operator[](size_type i) {
return impl_.elems[i];
}
SPROUT_CONSTEXPR const_reference
operator[](size_type i) const {
return impl_.elems[i];
}
SPROUT_CXX14_CONSTEXPR reference
at(size_type i) {
return i < size() ? impl_.elems[i]
: (throw std::out_of_range("basic_string<>: index out of range"), impl_.elems[i])
;
}
SPROUT_CONSTEXPR const_reference
at(size_type i) const {
return i < size() ? impl_.elems[i]
: (throw std::out_of_range("basic_string<>: index out of range"), impl_.elems[i])
;
}
SPROUT_CXX14_CONSTEXPR reference
front() {
return impl_.elems[0];
}
SPROUT_CONSTEXPR const_reference
front() const {
return impl_.elems[0];
}
SPROUT_CXX14_CONSTEXPR reference
back() {
return impl_.elems[size() - 1];
}
SPROUT_CONSTEXPR const_reference
back() const {
return impl_.elems[size() - 1];
}
// modifiers:
template<std::size_t N2>
SPROUT_CXX14_CONSTEXPR basic_string&
append(basic_string<T, N2> const& str) {
return append(str.begin(), str.size());
}
template<std::size_t N2>
SPROUT_CXX14_CONSTEXPR basic_string&
append(basic_string<T, N2> const& str, size_type pos, size_type n = npos) {
str.rangecheck(pos);
size_type rlen = n != npos
? NS_SSCRISK_CEL_OR_SPROUT::min(n, str.size() - pos)
: str.size() - pos
;
return append(str.begin() + pos, rlen);
}
SPROUT_CXX14_CONSTEXPR basic_string&
append(value_type const* s, size_type n) {
lengthcheck(size() + n);
traits_type::move(end(), s, n);
put_terminator(size() + n);
return *this;
}
SPROUT_CXX14_CONSTEXPR basic_string&
append(value_type const* s) {
return append(s, traits_type::length(s));
}
SPROUT_CXX14_CONSTEXPR basic_string&
append(size_type n, value_type c) {
lengthcheck(size() + n);
traits_type::assign(end(), n, c);
put_terminator(size() + n);
return *this;
}
template<typename InputIterator>
SPROUT_CXX14_CONSTEXPR basic_string&
append(InputIterator first, InputIterator last) {
typedef typename std::iterator_traits<InputIterator>::iterator_category* category;
return append(first, last, category());
}
SPROUT_CXX14_CONSTEXPR basic_string&
append(std::initializer_list<value_type> il) {
return append(il.begin(), il.end());
}
SPROUT_CXX14_CONSTEXPR void
push_back(value_type c) {
append(size_type(1), c);
}
template<std::size_t N2>
SPROUT_CXX14_CONSTEXPR basic_string&
assign(basic_string<T, N2, Traits> const& str) {
return assign(str, 0, npos);
}
template<std::size_t N2>
SPROUT_CXX14_CONSTEXPR basic_string&
assign(basic_string<T, N2, Traits> const& str, size_type pos, size_type n = npos) {
str.rangecheck(pos);
size_type rlen = n != npos
? NS_SSCRISK_CEL_OR_SPROUT::min(n, str.size() - pos)
: str.size() - pos
;
return assign(str.begin() + pos, rlen);
}
SPROUT_CXX14_CONSTEXPR basic_string&
assign(value_type const* s, size_type n) {
lengthcheck(n);
traits_type::move(begin(), s, n);
put_terminator(n);
return *this;
}
SPROUT_CXX14_CONSTEXPR basic_string&
assign(value_type const* s) {
return assign(s, traits_type::length(s));
}
SPROUT_CXX14_CONSTEXPR basic_string&
assign(size_type n, value_type c) {
maxcheck(n);
traits_type::assign(begin(), n, c);
put_terminator(n);
return *this;
}
template<typename InputIterator>
SPROUT_CXX14_CONSTEXPR basic_string&
assign(InputIterator first, InputIterator last) {
typedef typename std::iterator_traits<InputIterator>::iterator_category* category;
return assign(first, last, category());
}
SPROUT_CXX14_CONSTEXPR basic_string&
assign(std::initializer_list<value_type> il) {
return assign(il.begin(), il.end());
}
SPROUT_CXX14_CONSTEXPR void
pop_back() {
put_terminator(size() - 1);
}
//!!!
SPROUT_CXX14_CONSTEXPR void
swap(basic_string& other)
SPROUT_NOEXCEPT_IF_EXPR(sprout::swap(std::declval<T&>(), std::declval<T&>()))
{
sprout::swap_ranges(other.begin(), other.begin() + other.max_size(), begin());
sprout::swap(impl_.len, other.impl_.len);
}
// string operations:
SPROUT_CONSTEXPR const_pointer
c_str() const SPROUT_NOEXCEPT {
return data();
}
SPROUT_CXX14_CONSTEXPR pointer
data() SPROUT_NOEXCEPT {
return impl_.elems;
}
SPROUT_CONSTEXPR const_pointer
data() const SPROUT_NOEXCEPT {
return impl_.elems;
}
SPROUT_CXX14_CONSTEXPR pointer
c_array() SPROUT_NOEXCEPT {
return impl_.elems;
}
SPROUT_CONSTEXPR const_pointer
c_array() const SPROUT_NOEXCEPT {
return impl_.elems;
}
SPROUT_CXX14_CONSTEXPR size_type
copy(value_type* s, size_type n, size_type pos = 0) const {
rangecheck(pos);
size_type llen = NS_SSCRISK_CEL_OR_SPROUT::min(n, size() - pos);
traits_type::copy(s, begin() + pos, llen);
return llen;
}
template<std::size_t N2>
SPROUT_CONSTEXPR size_type
find(basic_string<T, N2, Traits> const& str, size_type pos = 0) const SPROUT_NOEXCEPT {
return sprout::string_detail::find_impl<basic_string>(begin(), size(), str.begin(), pos, str.size());
}
SPROUT_CONSTEXPR size_type
find(value_type const* s, size_type pos, size_type n) const {
return sprout::string_detail::find_impl<basic_string>(begin(), size(), s, pos, n);
}
SPROUT_CONSTEXPR size_type
find(value_type const* s, size_type pos = 0) const {
return find(s, pos, traits_type::length(s));
}
SPROUT_CONSTEXPR size_type
find(value_type c, size_type pos = 0) const {
return sprout::string_detail::find_c_impl<basic_string>(begin(), size(), c, pos);
}
template<std::size_t N2>
SPROUT_CONSTEXPR size_type
rfind(basic_string<T, N2, Traits> const& str, size_type pos = npos) const SPROUT_NOEXCEPT {
return sprout::string_detail::rfind_impl<basic_string>(begin(), size(), str.begin(), pos, str.size());
}
SPROUT_CONSTEXPR size_type
rfind(value_type const* s, size_type pos, size_type n) const {
return sprout::string_detail::rfind_impl<basic_string>(begin(), size(), s, pos, n);
}
SPROUT_CONSTEXPR size_type
rfind(value_type const* s, size_type pos = npos) const {
return rfind(s, pos, traits_type::length(s));
}
SPROUT_CONSTEXPR size_type
rfind(value_type c, size_type pos = npos) const {
return sprout::string_detail::rfind_c_impl<basic_string>(begin(), size(), c, pos);
}
template<std::size_t N2>
SPROUT_CONSTEXPR size_type
find_first_of(basic_string<T, N2, Traits> const& str, size_type pos = 0) const SPROUT_NOEXCEPT {
return sprout::string_detail::find_first_of_impl<basic_string>(begin(), size(), str.begin(), pos, str.size());
}
SPROUT_CONSTEXPR size_type
find_first_of(value_type const* s, size_type pos, size_type n) const {
return sprout::string_detail::find_first_of_impl<basic_string>(begin(), size(), s, pos, n);
}
SPROUT_CONSTEXPR size_type
find_first_of(value_type const* s, size_type pos = 0) const {
return find_first_of(s, pos, traits_type::length(s));
}
SPROUT_CONSTEXPR size_type
find_first_of(value_type c, size_type pos = 0) const {
return find(c, pos);
}
template<std::size_t N2>
SPROUT_CONSTEXPR size_type
find_last_of(basic_string<T, N2, Traits> const& str, size_type pos = npos) const SPROUT_NOEXCEPT {
return sprout::string_detail::find_last_of_impl<basic_string>(begin(), size(), str.begin(), pos, str.size());
}
SPROUT_CONSTEXPR size_type
find_last_of(value_type const* s, size_type pos, size_type n) const {
return sprout::string_detail::find_last_of_impl<basic_string>(begin(), size(), s, pos, n);
}
SPROUT_CONSTEXPR size_type
find_last_of(value_type const* s, size_type pos = npos) const {
return find_last_of(s, pos, traits_type::length(s));
}
SPROUT_CONSTEXPR size_type
find_last_of(value_type c, size_type pos = npos) const {
return rfind(c, pos);
}
template<std::size_t N2>
SPROUT_CONSTEXPR size_type
find_first_not_of(basic_string<T, N2, Traits> const& str, size_type pos = 0) const SPROUT_NOEXCEPT {
return sprout::string_detail::find_first_not_of_impl<basic_string>(begin(), size(), str.begin(), pos, str.size());
}
SPROUT_CONSTEXPR size_type
find_first_not_of(value_type const* s, size_type pos, size_type n) const {
#if SPROUT_GCC_IN_RANGE((5, 1, 0), (5, 4, 0))
return sprout::string_detail::find_first_not_of_impl<basic_string>(begin(), size(), sprout::ptr_index(s), pos, n);
#else
return sprout::string_detail::find_first_not_of_impl<basic_string>(begin(), size(), s, pos, n);
#endif
}
SPROUT_CONSTEXPR size_type
find_first_not_of(value_type const* s, size_type pos = 0) const {
return find_first_not_of(s, pos, traits_type::length(s));
}
SPROUT_CONSTEXPR size_type
find_first_not_of(value_type c, size_type pos = 0) const {
return sprout::string_detail::find_first_not_of_c_impl<basic_string>(begin(), size(), c, pos);
}
template<std::size_t N2>
SPROUT_CONSTEXPR size_type
find_last_not_of(basic_string<T, N2, Traits> const& str, size_type pos = npos) const SPROUT_NOEXCEPT {
return sprout::string_detail::find_last_not_of_impl<basic_string>(begin(), size(), str.begin(), pos, str.size());
}
SPROUT_CONSTEXPR size_type
find_last_not_of(value_type const* s, size_type pos, size_type n) const {
#if SPROUT_GCC_IN_RANGE((5, 1, 0), (5, 4, 0))
return sprout::string_detail::find_last_not_of_impl<basic_string>(begin(), size(), sprout::ptr_index(s), pos, n);
#else
return sprout::string_detail::find_last_not_of_impl<basic_string>(begin(), size(), s, pos, n);
#endif
}
SPROUT_CONSTEXPR size_type
find_last_not_of(value_type const* s, size_type pos = npos) const {
return find_last_not_of(s, pos, traits_type::length(s));
}
SPROUT_CONSTEXPR size_type
find_last_not_of(value_type c, size_type pos = npos) const {
return sprout::string_detail::find_last_not_of_c_impl<basic_string>(begin(), size(), c, pos);
}
SPROUT_CONSTEXPR basic_string
substr(size_type pos = 0, size_type n = npos) const {
return !(size() < pos) ? from_c_str(c_str() + pos, NS_SSCRISK_CEL_OR_SPROUT::min(n, size() - pos))
: throw std::out_of_range("basic_string<>: index out of range")
;
}
template<std::size_t N2>
SPROUT_CONSTEXPR int
compare(basic_string<T, N2, Traits> const& str) const {
return compare(0, size(), str.begin(), str.size());
}
SPROUT_CONSTEXPR int
compare(value_type const* s) const {
return compare(0, size(), s, traits_type::length(s));
}
template<std::size_t N2>
SPROUT_CONSTEXPR int
compare(size_type pos1, size_type n1, basic_string<T, N2, Traits> const& str) const {
return compare(pos1, n1, str, 0, npos);
}
SPROUT_CONSTEXPR int
compare(size_type pos1, size_type n1, value_type const* s) const {
return compare(pos1, n1, s, traits_type::length(s));
}
template<std::size_t N2>
SPROUT_CONSTEXPR int
compare(size_type pos1, size_type n1, basic_string<T, N2, Traits> const& str, size_type pos2, size_type n2) const {
return !(str.size() < pos2)
? compare(pos1, n1, str.begin() + pos2, NS_SSCRISK_CEL_OR_SPROUT::min(n2, str.size() - pos2))
: throw std::out_of_range("basic_string<>: index out of range")
;
}
SPROUT_CONSTEXPR int
compare(size_type pos1, size_type n1, value_type const* s, size_type n2) const {
return !(size() < pos1)
? sprout::string_detail::compare_impl<basic_string>(begin(), pos1, NS_SSCRISK_CEL_OR_SPROUT::min(n1, size() - pos1), s, n2)
: throw std::out_of_range("basic_string<>: index out of range")
;
}
// conversions:
template<typename Allocator>
SPROUT_EXPLICIT_CONVERSION SPROUT_NON_CONSTEXPR operator std::basic_string<T, Traits, Allocator>() const {
return std::basic_string<T, Traits, Allocator>(data(), size());
}
SPROUT_CXX14_CONSTEXPR void rangecheck(size_type i) const {
return i >= size() ? throw std::out_of_range("basic_string<>: index out of range")
: (void)0
;
}
#if SPROUT_USE_INDEX_ITERATOR_IMPLEMENTATION
// construct/copy/destroy (for string iterator):
template<typename StringConstIterator>
SPROUT_CXX14_CONSTEXPR typename std::enable_if<
is_string_iterator<StringConstIterator>::value,
basic_string&
>::type
operator=(StringConstIterator rhs) {
return assign(rhs);
}
// modifiers (for string iterator):
template<typename StringConstIterator>
SPROUT_CXX14_CONSTEXPR typename std::enable_if<
is_string_iterator<StringConstIterator>::value,
basic_string&
>::type
append(StringConstIterator s, size_type n) {
lengthcheck(size() + n);
traits_type::move(end(), s, n);
put_terminator(size() + n);
return *this;
}
template<typename StringConstIterator>
SPROUT_CXX14_CONSTEXPR typename std::enable_if<
is_string_iterator<StringConstIterator>::value,
basic_string&
>::type
append(StringConstIterator s) {
return append(s, traits_type::length(s));
}
template<typename StringConstIterator>
SPROUT_CXX14_CONSTEXPR typename std::enable_if<
is_string_iterator<StringConstIterator>::value,
basic_string&
>::type
assign(StringConstIterator s, size_type n) {
lengthcheck(n);
traits_type::move(begin(), s, n);
put_terminator(n);
return *this;
}
template<typename StringConstIterator>
SPROUT_CXX14_CONSTEXPR typename std::enable_if<
is_string_iterator<StringConstIterator>::value,
basic_string&
>::type
assign(StringConstIterator s) {
return assign(s, traits_type::length(s));
}
// string operations (for string iterator):
template<typename StringIterator>
SPROUT_CXX14_CONSTEXPR size_type
copy(StringIterator s, size_type n, size_type pos = 0) const {
rangecheck(pos);
size_type llen = NS_SSCRISK_CEL_OR_SPROUT::min(n, size() - pos);
traits_type::copy(s, begin() + pos, llen);
return llen;
}
template<typename StringConstIterator>
SPROUT_CONSTEXPR typename std::enable_if<
is_string_iterator<StringConstIterator>::value,
size_type
>::type
find(StringConstIterator s, size_type pos, size_type n) const {
return sprout::string_detail::find_impl<basic_string>(begin(), size(), s, pos, n);
}
template<typename StringConstIterator>
SPROUT_CONSTEXPR typename std::enable_if<
is_string_iterator<StringConstIterator>::value,
size_type
>::type
find(StringConstIterator s, size_type pos = 0) const {
return find(s, pos, traits_type::length(s));
}
template<typename StringConstIterator>
SPROUT_CONSTEXPR typename std::enable_if<
is_string_iterator<StringConstIterator>::value,
size_type
>::type
rfind(StringConstIterator s, size_type pos, size_type n) const {
return sprout::string_detail::rfind_impl<basic_string>(begin(), size(), s, pos, n);
}
template<typename StringConstIterator>
SPROUT_CONSTEXPR typename std::enable_if<
is_string_iterator<StringConstIterator>::value,
size_type
>::type
rfind(StringConstIterator s, size_type pos = npos) const {
return rfind(s, pos, traits_type::length(s));
}
template<typename StringConstIterator>
SPROUT_CONSTEXPR typename std::enable_if<
is_string_iterator<StringConstIterator>::value,
size_type
>::type
find_first_of(StringConstIterator s, size_type pos, size_type n) const {
return sprout::string_detail::find_first_of_impl<basic_string>(begin(), size(), s, pos, n);
}
template<typename StringConstIterator>
SPROUT_CONSTEXPR typename std::enable_if<
is_string_iterator<StringConstIterator>::value,
size_type
>::type
find_first_of(StringConstIterator s, size_type pos = 0) const {
return find_first_of(s, pos, traits_type::length(s));
}
template<typename StringConstIterator>
SPROUT_CONSTEXPR typename std::enable_if<
is_string_iterator<StringConstIterator>::value,
size_type
>::type
find_last_of(StringConstIterator s, size_type pos, size_type n) const {
return sprout::string_detail::find_last_of_impl<basic_string>(begin(), size(), s, pos, n);
}
template<typename StringConstIterator>
SPROUT_CONSTEXPR typename std::enable_if<
is_string_iterator<StringConstIterator>::value,
size_type
>::type
find_last_of(StringConstIterator s, size_type pos = 0) const {
return find_last_of(s, pos, traits_type::length(s));
}
template<typename StringConstIterator>
SPROUT_CONSTEXPR typename std::enable_if<
is_string_iterator<StringConstIterator>::value,
size_type
>::type
find_first_not_of(StringConstIterator s, size_type pos, size_type n) const {
return sprout::string_detail::find_first_not_of_impl<basic_string>(begin(), size(), s, pos, n);
}
template<typename StringConstIterator>
SPROUT_CONSTEXPR typename std::enable_if<
is_string_iterator<StringConstIterator>::value,
size_type
>::type
find_first_not_of(StringConstIterator s, size_type pos = 0) const {
return sprout::string_detail::find_first_not_of_impl<basic_string>(s, pos, traits_type::length(s));
}
template<typename StringConstIterator>
SPROUT_CONSTEXPR typename std::enable_if<
is_string_iterator<StringConstIterator>::value,
size_type
>::type
find_last_not_of(StringConstIterator s, size_type pos, size_type n) const {
return sprout::string_detail::find_last_not_of_impl<basic_string>(begin(), size(), s, pos, n);
}
template<typename StringConstIterator>
SPROUT_CONSTEXPR typename std::enable_if<
is_string_iterator<StringConstIterator>::value,
size_type
>::type
find_last_not_of(StringConstIterator s, size_type pos = npos) const {
return sprout::string_detail::find_last_not_of_impl<basic_string>(s, pos, traits_type::length(s));
}
template<typename StringConstIterator>
SPROUT_CONSTEXPR typename std::enable_if<
is_string_iterator<StringConstIterator>::value,
int
>::type
compare(StringConstIterator s) const {
return compare(0, size(), s, traits_type::length(s));
}
template<typename StringConstIterator>
SPROUT_CONSTEXPR typename std::enable_if<
is_string_iterator<StringConstIterator>::value,
int
>::type
compare(size_type pos1, size_type n1, StringConstIterator s) const {
return compare(pos1, n1, s, traits_type::length(s));
}
template<typename StringConstIterator>
SPROUT_CONSTEXPR typename std::enable_if<
is_string_iterator<StringConstIterator>::value,
int
>::type
compare(size_type pos1, size_type n1, StringConstIterator s, size_type n2) const {
return !(size() < pos1)
? sprout::string_detail::compare_impl<basic_string>(begin(), pos1, NS_SSCRISK_CEL_OR_SPROUT::min(n1, size() - pos1), s, n2)
: throw std::out_of_range("basic_string<>: index out of range")
;
}
#endif
#if SPROUT_USE_INDEX_ITERATOR_IMPLEMENTATION
SPROUT_CXX14_CONSTEXPR iterator
nth(size_type i) {
return i < size()
? iterator(*this, i)
: (throw std::out_of_range("basic_string<>: index out of range"), iterator())
;
}
SPROUT_CONSTEXPR const_iterator
nth(size_type i) const {
return i < size()
? const_iterator(*this, i)
: (throw std::out_of_range("basic_string<>: index out of range"), const_iterator())
;
}
SPROUT_CXX14_CONSTEXPR size_type
index_of(iterator p) SPROUT_NOEXCEPT {
return p.index();
}
SPROUT_CONSTEXPR size_type
index_of(const_iterator p) const SPROUT_NOEXCEPT {
return p.index();
}
#else
SPROUT_CXX14_CONSTEXPR iterator
nth(size_type i) {
return i < size()
? data() + i
: (throw std::out_of_range("basic_string<>: index out of range"), iterator())
;
}
SPROUT_CONSTEXPR const_iterator
th(size_type i) const {
return i < size()
? data() + i
: (throw std::out_of_range("basic_string<>: index out of range"), const_iterator())
;
}SPROUT_CXX14_CONSTEXPR
SPROUT_CONSTEXPR size_type
index_of(iterator p) SPROUT_NOEXCEPT {
return sprout::distance(begin(), p);
}
SPROUT_CONSTEXPR size_type
index_of(const_iterator p) const SPROUT_NOEXCEPT {
return sprout::distance(begin(), p);
}
#endif
SPROUT_CXX14_CONSTEXPR basic_string&
operator<<=(T const& rhs) {
push_back(rhs);
return *this;
}
SPROUT_CXX14_CONSTEXPR basic_string&
operator<<=(value_type const* rhs) {
return append(rhs);
}
template<std::size_t N2>
SPROUT_CXX14_CONSTEXPR basic_string&
operator<<=(basic_string<T, N2, Traits> const& rhs) {
return append(rhs);
}
SPROUT_CXX14_CONSTEXPR basic_string&
operator<<=(std::initializer_list<value_type> rhs) {
return append(rhs);
}
SPROUT_CXX14_CONSTEXPR basic_string&
operator>>=(T const& rhs) {
lengthcheck(size() + 1);
traits_type::move(begin() + 1, begin(), size());
traits_type::assign(begin(), 1, rhs);
put_terminator(size() + 1);
return *this;
}
SPROUT_CXX14_CONSTEXPR basic_string&
operator>>=(value_type const* rhs) {
size_type rlen = traits_type::length(rhs);
lengthcheck(size() + rlen);
traits_type::move(begin() + rlen, begin(), size());
traits_type::move(begin(), rhs, rlen);
put_terminator(size() + rlen);
return *this;
}
template<std::size_t N2>
SPROUT_CXX14_CONSTEXPR basic_string&
operator>>=(basic_string<T, N2, Traits> const& rhs) {
lengthcheck(size() + rhs.size());
traits_type::move(begin() + rhs.size(), begin(), size());
traits_type::move(begin(), rhs.begin(), rhs.size());
put_terminator(size() + rhs.size());
return *this;
}
SPROUT_CXX14_CONSTEXPR basic_string&
operator>>=(std::initializer_list<value_type> rhs) {
lengthcheck(size() + rhs.size());
traits_type::move(begin() + rhs.size(), begin(), size());
traits_type::move(begin(), rhs.begin(), rhs.size());
put_terminator(size() + rhs.size());
return *this;
}
};
template<typename T, std::size_t N, typename Traits>
SPROUT_CONSTEXPR_OR_CONST typename sprout::basic_string<T, N, Traits>::size_type sprout::basic_string<T, N, Traits>::npos;
template<typename T, std::size_t N, typename Traits>
SPROUT_CONSTEXPR_OR_CONST typename sprout::basic_string<T, N, Traits>::size_type sprout::basic_string<T, N, Traits>::static_size;
//
// swap
//
template<typename T, std::size_t N, typename Traits>
inline SPROUT_CXX14_CONSTEXPR void
swap(sprout::basic_string<T, N, Traits>& lhs, sprout::basic_string<T, N, Traits>& rhs)
SPROUT_NOEXCEPT_IF_EXPR(lhs.swap(rhs))
{
lhs.swap(rhs);
}
namespace detail {
template<typename T, std::size_t N, typename Traits>
class string_construct_access {
public:
template<typename... Args>
static SPROUT_CONSTEXPR sprout::basic_string<T, N, Traits>
raw_construct(typename sprout::basic_string<T, N, Traits>::size_type n, Args&&... args) {
return sprout::basic_string<T, N, Traits>(sprout::detail::string_raw_construct_t(), n, SPROUT_FORWARD(Args, args)...);
}
};
template<typename Container>
struct make_construct_impl;
template<typename T, std::size_t N, typename Traits>
struct make_construct_impl<sprout::basic_string<T, N, Traits> > {
private:
typedef sprout::basic_string<T, N, Traits> copied_type;
private:
template<std::size_t M>
static SPROUT_CONSTEXPR typename copied_type::size_type
length_impl(sprout::array<T, M> const& arr) {
return sprout::distance(arr.begin(), sprout::find(arr.begin(), arr.end(), T()));
}
public:
template<typename... Args>
static SPROUT_CONSTEXPR typename copied_type::size_type
length(Args&&... args) {
return length_impl(sprout::make_array<T>(SPROUT_FORWARD(Args, args)...));
}
template<typename... Args>
static SPROUT_CONSTEXPR copied_type
make(Args&&... args) {
typedef sprout::detail::string_construct_access<T, N, Traits> access_type;
return access_type::raw_construct(length(args...), SPROUT_FORWARD(Args, args)...);
}
template<typename... Args>
static SPROUT_CONSTEXPR copied_type
sized_make(typename copied_type::size_type size, Args&&... args) {
typedef sprout::detail::string_construct_access<T, N, Traits> access_type;
return access_type::raw_construct(size, SPROUT_FORWARD(Args, args)...);
}
};
} // namespace detail
//
// to_string
//
template<typename T, std::size_t N, typename Traits>
inline SPROUT_CONSTEXPR sprout::basic_string<T, N, Traits>
to_string(sprout::basic_string<T, N, Traits> const& s) {
return s;
}
template<typename T, std::size_t N>
inline SPROUT_CONSTEXPR sprout::basic_string<T, N - 1>
to_string(T const(& arr)[N]) {
return sprout::basic_string<T, N - 1>(arr);
}
//
// string_from_c_str
//
template<std::size_t N, typename T>
inline SPROUT_CONSTEXPR sprout::basic_string<T, N>
string_from_c_str(T const* s, std::size_t n) {
return sprout::basic_string<T, N>::from_c_str(s, n);
}
template<std::size_t N, typename T>
inline SPROUT_CONSTEXPR sprout::basic_string<T, N>
string_from_c_str(T const* s) {
return sprout::basic_string<T, N>::from_c_str(s);
}
template<std::size_t N, typename T, typename Traits>
inline SPROUT_NON_CONSTEXPR sprout::basic_string<T, N, Traits>
string_from_c_str(std::basic_string<T, Traits> const& s) {
return sprout::basic_string<T, N, Traits>::from_c_str(s);
}
} // namespace sprout
#endif // #ifndef SPROUT_STRING_STRING_HPP
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