string 更新

This commit is contained in:
bolero-MURAKAMI 2011-09-26 01:56:47 +09:00
parent f5411a0336
commit 3f8d532b79
3 changed files with 352 additions and 69 deletions

View file

@ -171,7 +171,7 @@ namespace sprout {
// swap
//
template<typename T, std::size_t N>
SPROUT_CONSTEXPR inline void swap(sprout::array<T, N>& lhs, sprout::array<T, N>& rhs) SPROUT_NOEXCEPT_EXPR(SPROUT_NOEXCEPT_EXPR(lhs.swap(rhs))) {
inline void swap(sprout::array<T, N>& lhs, sprout::array<T, N>& rhs) SPROUT_NOEXCEPT_EXPR(SPROUT_NOEXCEPT_EXPR(lhs.swap(rhs))) {
lhs.swap(rhs);
}
@ -290,3 +290,4 @@ namespace std {
} // namespace std
#endif // #ifndef SPROUT_ARRAY_HPP

View file

@ -12,7 +12,7 @@ namespace sprout {
// size
//
template<typename Range>
SPROUT_CONSTEXPR typename sprout::fixed_container_traits<Range>::difference_type size(Range const& range) {
SPROUT_CONSTEXPR inline typename sprout::fixed_container_traits<Range>::difference_type size(Range const& range) {
return NS_SSCRISK_CEL_OR_SPROUT_DETAIL::distance(sprout::begin(range), sprout::end(range));
}
} // namespace sprout

View file

@ -2,9 +2,10 @@
#define SPROUT_STRING_HPP
#include <cstddef>
#include <iosfwd>
#include <ios>
#include <algorithm>
#include <utility>
#include <string>
#include <stdexcept>
#include <type_traits>
#include <sprout/config.hpp>
@ -18,10 +19,77 @@
#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT_DETAIL
namespace sprout {
//
// char_traits
//
template<typename Char>
class char_traits {
private:
typedef std::char_traits<Char> impl_type;
public:
typedef typename impl_type::char_type char_type;
typedef typename impl_type::int_type int_type;
typedef typename impl_type::off_type off_type;
typedef typename impl_type::pos_type pos_type;
typedef typename impl_type::state_type state_type;
public:
static void assign(char_type& c1, char_type const& c2) SPROUT_NOEXCEPT {
impl_type::assign(c1, c2);
}
static SPROUT_CONSTEXPR bool eq(char_type c1, char_type c2) SPROUT_NOEXCEPT {
return impl_type::eq(c1, c2);
}
static SPROUT_CONSTEXPR bool lt(char_type c1, char_type c2) SPROUT_NOEXCEPT {
return impl_type::lt(c1, c2);
}
static SPROUT_CONSTEXPR int compare(char_type const* s1, char_type const* s2, std::size_t n) {
return !n ? 0
: lt(*s1, *s2) ? -1
: lt(*s2, *s1) ? 1
: compare(s1 + 1, s2 + 1, n - 1)
;
}
static SPROUT_CONSTEXPR std::size_t length(char_type const* s) {
return !*s ? 0
: 1 + length(s + 1)
;
}
static SPROUT_CONSTEXPR char_type const* find(char_type const* s, std::size_t n, char_type const& a) {
return !n ? nullptr
: eq(*s, a) ? s
: find(s + 1, n - 1, a)
;
}
static char_type* move(char_type* s1, char_type const* s2, std::size_t n) {
return impl_type::move(s1, s2, n);
}
static char_type* copy(char_type* s1, char_type const* s2, std::size_t n) {
return impl_type::copy(s1, s2, n);
}
static char_type* assign(char_type* s, std::size_t n, char_type a) {
return impl_type::assign(s, n, a);
}
static SPROUT_CONSTEXPR int_type not_eof(int_type c) SPROUT_NOEXCEPT {
return impl_type::not_eof(c);
}
static SPROUT_CONSTEXPR char_type to_char_type(int_type c) SPROUT_NOEXCEPT {
return impl_type::to_char_type(c);
}
static SPROUT_CONSTEXPR int_type to_int_type(char_type c) SPROUT_NOEXCEPT {
return impl_type::to_int_type(c);
}
static SPROUT_CONSTEXPR bool eq_int_type(int_type c1, int_type c2) SPROUT_NOEXCEPT {
return impl_type::eq_int_type(c1, c2);
}
static SPROUT_CONSTEXPR int_type eof() SPROUT_NOEXCEPT {
return impl_type::eof();
}
};
//
// basic_string
//
template<typename T, std::size_t N>
template<typename T, std::size_t N, typename Traits = sprout::char_traits<T> >
class basic_string {
public:
typedef T value_type;
@ -35,20 +103,41 @@ namespace sprout {
typedef T const* const_pointer;
typedef sprout::detail::reverse_iterator<iterator> reverse_iterator;
typedef sprout::detail::reverse_iterator<const_iterator> const_reverse_iterator;
typedef Traits traits_type;
public:
SPROUT_STATIC_CONSTEXPR size_type npos = -1;
SPROUT_STATIC_CONSTEXPR size_type static_size = N;
SPROUT_STATIC_CONSTEXPR size_type fixed_size = static_size;
public:
T elems[N + 1];
size_type len;
private:
SPROUT_CONSTEXPR int compare_impl_2(int compared, size_type n1, size_type n2) const {
return compared != 0 ? compared
: n1 < n2 ? -1
: n2 < n1 ? 1
: 0
;
}
SPROUT_CONSTEXPR int compare_impl_1(size_type pos1, size_type n1, char const* s, size_type n2) const {
return compare_impl_2(
traits_type::compare(c_str() + pos1, s, NS_SSCRISK_CEL_OR_SPROUT_DETAIL::min(n1, n2)),
n1,
n2
);
}
public:
SPROUT_CONSTEXPR size_type size() const SPROUT_NOEXCEPT {
return N;
return len;
}
SPROUT_CONSTEXPR size_type length() const SPROUT_NOEXCEPT {
return size();
}
SPROUT_CONSTEXPR bool empty() const SPROUT_NOEXCEPT {
return N == 0;
return size() == 0;
}
SPROUT_CONSTEXPR size_type max_size() const SPROUT_NOEXCEPT {
return size();
return N;
}
void rangecheck(size_type i) const {
if (i >= size()) {
@ -126,75 +215,213 @@ namespace sprout {
pointer c_array() SPROUT_NOEXCEPT {
return &elems[0];
}
const_pointer c_str() const SPROUT_NOEXCEPT {
SPROUT_CONSTEXPR const_pointer c_str() const SPROUT_NOEXCEPT {
return &elems[0];
}
void assign(const_reference value) {
fill(value);
}
void fill(const_reference value) {
std::fill_n(begin(), size(), value);
}
void swap(basic_string<T, N>& other) SPROUT_NOEXCEPT_EXPR(SPROUT_NOEXCEPT_EXPR(std::swap(std::declval<T&>(), std::declval<T&>()))) {
void swap(basic_string<T, N, Traits>& other) SPROUT_NOEXCEPT_EXPR(SPROUT_NOEXCEPT_EXPR(std::swap(std::declval<T&>(), std::declval<T&>()))) {
std::swap_ranges(other.begin(), other.end(), begin());
}
template <typename T2>
basic_string<T, N>& operator=(basic_string<T2, N> const& rhs) {
template<typename T2, typename Traits2>
basic_string<T, N, Traits>& operator=(basic_string<T2, N, Traits2> const& rhs) {
std::copy(rhs.begin(), rhs.end(), begin());
return *this;
}
template <typename T2>
basic_string<T, N>& operator=(basic_string<T2, N>&& rhs) {
template<typename T2, typename Traits2>
basic_string<T, N, Traits>& operator=(basic_string<T2, N, Traits2>&& rhs) {
std::move(rhs.begin(), rhs.end(), begin());
return *this;
}
template<std::size_t N2>
SPROUT_CONSTEXPR int compare(basic_string<T, N2, Traits> const& str) const {
return compare(0, size(), str.c_str(), str.size());
}
SPROUT_CONSTEXPR int compare(T 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, char 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.c_str() + pos2, NS_SSCRISK_CEL_OR_SPROUT_DETAIL::min(n2, str.size() - pos2))
: throw "basic_string<>: index out of range"
;
}
SPROUT_CONSTEXPR int compare(size_type pos1, size_type n1, char const* s, size_type n2) const {
return !(size() < pos1)
? compare_impl_1(pos1, NS_SSCRISK_CEL_OR_SPROUT_DETAIL::min(n1, size() - pos1), s, n2)
: throw "basic_string<>: index out of range"
;
}
};
template<typename T, std::size_t N1, std::size_t N2>
SPROUT_CONSTEXPR inline bool operator==(sprout::basic_string<T, N1> const& lhs, sprout::basic_string<T, N2> const& rhs) {
return N1 == N2 && NS_SSCRISK_CEL_OR_SPROUT_DETAIL::equal(lhs.begin(), lhs.end(), rhs.begin());
template<typename T, std::size_t N1, std::size_t N2, typename Traits>
SPROUT_CONSTEXPR inline bool operator==(sprout::basic_string<T, N1, Traits> const& lhs, sprout::basic_string<T, N2, Traits> const& rhs) {
return lhs.compare(rhs) == 0;
}
template<typename T, std::size_t N1, std::size_t N2>
SPROUT_CONSTEXPR inline bool operator!=(sprout::basic_string<T, N1> const& lhs, sprout::basic_string<T, N2> const& rhs) {
template<typename T, std::size_t N, typename Traits>
SPROUT_CONSTEXPR inline bool operator==(sprout::basic_string<T, N, Traits> const& lhs, T const* rhs) {
return lhs.compare(rhs) == 0;
}
template<typename T, std::size_t N, typename Traits>
SPROUT_CONSTEXPR inline bool operator==(T const* lhs, sprout::basic_string<T, N, Traits> const& rhs) {
return 0 == rhs.compare(lhs);
}
template<typename T, std::size_t N1, std::size_t N2, typename Traits>
SPROUT_CONSTEXPR inline bool operator!=(sprout::basic_string<T, N1, Traits> const& lhs, sprout::basic_string<T, N2, Traits> const& rhs) {
return !(lhs == rhs);
}
template<typename T, std::size_t N1, std::size_t N2>
SPROUT_CONSTEXPR inline bool operator<(sprout::basic_string<T, N1> const& lhs, sprout::basic_string<T, N2> const& rhs) {
return NS_SSCRISK_CEL_OR_SPROUT_DETAIL::lexicographical_compare(lhs.begin(), lhs.end(), rhs.begin(), rhs.end());
template<typename T, std::size_t N, typename Traits>
SPROUT_CONSTEXPR inline bool operator!=(sprout::basic_string<T, N, Traits> const& lhs, T const* rhs) {
return !(lhs == rhs);
}
template<typename T, std::size_t N1, std::size_t N2>
SPROUT_CONSTEXPR inline bool operator>(sprout::basic_string<T, N1> const& lhs, sprout::basic_string<T, N2> const& rhs) {
template<typename T, std::size_t N, typename Traits>
SPROUT_CONSTEXPR inline bool operator!=(T const* lhs, sprout::basic_string<T, N, Traits> const& rhs) {
return !(lhs == rhs);
}
template<typename T, std::size_t N1, std::size_t N2, typename Traits>
SPROUT_CONSTEXPR inline bool operator<(sprout::basic_string<T, N1, Traits> const& lhs, sprout::basic_string<T, N2, Traits> const& rhs) {
return lhs.compare(rhs) < 0;
}
template<typename T, std::size_t N, typename Traits>
SPROUT_CONSTEXPR inline bool operator<(sprout::basic_string<T, N, Traits> const& lhs, T const* rhs) {
return lhs.compare(rhs) < 0;
}
template<typename T, std::size_t N, typename Traits>
SPROUT_CONSTEXPR inline bool operator<(T const* lhs, sprout::basic_string<T, N, Traits> const& rhs) {
return 0 < rhs.compare(lhs);
}
template<typename T, std::size_t N1, std::size_t N2, typename Traits>
SPROUT_CONSTEXPR inline bool operator>(sprout::basic_string<T, N1, Traits> const& lhs, sprout::basic_string<T, N2, Traits> const& rhs) {
return rhs < lhs;
}
template<typename T, std::size_t N1, std::size_t N2>
SPROUT_CONSTEXPR inline bool operator<=(sprout::basic_string<T, N1> const& lhs, sprout::basic_string<T, N2> const& rhs) {
template<typename T, std::size_t N, typename Traits>
SPROUT_CONSTEXPR inline bool operator>(sprout::basic_string<T, N, Traits> const& lhs, T const* rhs) {
return rhs < lhs;
}
template<typename T, std::size_t N, typename Traits>
SPROUT_CONSTEXPR inline bool operator>(T const* lhs, sprout::basic_string<T, N, Traits> const& rhs) {
return rhs < lhs;
}
template<typename T, std::size_t N1, std::size_t N2, typename Traits>
SPROUT_CONSTEXPR inline bool operator<=(sprout::basic_string<T, N1, Traits> const& lhs, sprout::basic_string<T, N2, Traits> const& rhs) {
return !(rhs < lhs);
}
template<typename T, std::size_t N1, std::size_t N2>
SPROUT_CONSTEXPR inline bool operator>=(sprout::basic_string<T, N1> const& lhs, sprout::basic_string<T, N2> const& rhs) {
template<typename T, std::size_t N, typename Traits>
SPROUT_CONSTEXPR inline bool operator<=(sprout::basic_string<T, N, Traits> const& lhs, T const* rhs) {
return !(rhs < lhs);
}
template<typename T, std::size_t N, typename Traits>
SPROUT_CONSTEXPR inline bool operator<=(T const* lhs, sprout::basic_string<T, N, Traits> const& rhs) {
return !(rhs < lhs);
}
template<typename T, std::size_t N1, std::size_t N2, typename Traits>
SPROUT_CONSTEXPR inline bool operator>=(sprout::basic_string<T, N1, Traits> const& lhs, sprout::basic_string<T, N2, Traits> const& rhs) {
return !(lhs < rhs);
}
template<typename T, std::size_t N, typename Traits>
SPROUT_CONSTEXPR inline bool operator>=(sprout::basic_string<T, N, Traits> const& lhs, T const* rhs) {
return !(lhs < rhs);
}
template<typename T, std::size_t N, typename Traits>
SPROUT_CONSTEXPR inline bool operator>=(T const* lhs, sprout::basic_string<T, N, Traits> const& rhs) {
return !(lhs < rhs);
}
//
// swap
//
template<typename T, std::size_t N>
SPROUT_CONSTEXPR inline void swap(sprout::basic_string<T, N>& lhs, sprout::basic_string<T, N>& rhs) SPROUT_NOEXCEPT_EXPR(SPROUT_NOEXCEPT_EXPR(lhs.swap(rhs))) {
template<typename T, std::size_t N, typename Traits>
inline void swap(
sprout::basic_string<T, N, Traits>& lhs,
sprout::basic_string<T, N, Traits>& rhs
) SPROUT_NOEXCEPT_EXPR(SPROUT_NOEXCEPT_EXPR(lhs.swap(rhs)))
{
lhs.swap(rhs);
}
//
// resize
//
namespace detail {
template<typename T, std::size_t N, typename Traits, typename... Args>
SPROUT_CONSTEXPR inline typename std::enable_if<
sizeof...(Args) != N,
sprout::basic_string<T, N, Traits>
>::type resize_impl(
sprout::basic_string<T, N, Traits> const& str,
typename sprout::basic_string<T, N, Traits>::size_type new_size,
Args const&... args
)
{
return sprout::detail::resize_impl(str, new_size, args..., sizeof...(Args) < new_size ? str[sizeof...(Args)] : T());
}
template<typename T, std::size_t N, typename Traits, typename... Args>
SPROUT_CONSTEXPR inline typename std::enable_if<
sizeof...(Args) == N,
sprout::basic_string<T, N, Traits>
>::type resize_impl(
sprout::basic_string<T, N, Traits> const& str,
typename sprout::basic_string<T, N, Traits>::size_type new_size,
Args const&... args
)
{
return sprout::basic_string<T, N, Traits>{{args...}, new_size};
}
} // namespace detail
template<typename T, std::size_t N, typename Traits>
SPROUT_CONSTEXPR inline sprout::basic_string<T, N, Traits> resize(
sprout::basic_string<T, N, Traits> const& str,
typename sprout::basic_string<T, N, Traits>::size_type new_size
)
{
return new_size <= N ? sprout::detail::resize_impl(str, new_size)
: throw "basic_string<>: index out of range"
;
}
//
// rebind_fixed_size
//
template<typename T, std::size_t N>
struct rebind_fixed_size<sprout::basic_string<T, N> > {
template<typename T, std::size_t N, typename Traits>
struct rebind_fixed_size<sprout::basic_string<T, N, Traits> > {
public:
template<typename sprout::fixed_container_traits<sprout::basic_string<T, N> >::size_type S>
template<typename sprout::fixed_container_traits<sprout::basic_string<T, N, Traits> >::size_type S>
struct apply {
public:
typedef sprout::basic_string<T, S> type;
typedef sprout::basic_string<T, S, Traits> type;
};
};
//
// make_clone_functor
//
template<typename T, std::size_t N, typename Traits>
struct make_clone_functor<sprout::basic_string<T, N, Traits> > {
private:
typedef typename sprout::fixed_container_traits<sprout::basic_string<T, N, Traits> >::clone_type clone_type;
private:
static SPROUT_CONSTEXPR typename clone_type::size_type length() {
return 0;
}
template<typename... Tail>
static SPROUT_CONSTEXPR typename clone_type::size_type length(T const& head, Tail const&... tail) {
return !head ? 0 : 1 + length(tail...);
}
public:
template<typename... Args>
SPROUT_CONSTEXPR clone_type operator()(Args const&... args) const {
return clone_type{{args...}, length(args...)};
}
};
namespace detail {
template<typename T, typename Enable = void>
struct is_basic_string_impl {
@ -208,7 +435,7 @@ namespace sprout {
typename std::enable_if<
std::is_same<
T,
sprout::basic_string<typename T::value_type, T::static_size>
sprout::basic_string<typename T::value_type, T::static_size, typename T::traits_type>
>::value
>::type
> {
@ -286,13 +513,22 @@ namespace sprout {
{};
namespace detail {
template<typename T, std::size_t N, std::ptrdiff_t...Indexes>
SPROUT_CONSTEXPR inline sprout::basic_string<T, N - 1> to_string_impl_1(
T const(& arr)[N],
sprout::index_tuple<Indexes...>,
typename sprout::basic_string<T, N - 1>::size_type len
)
{
return sprout::basic_string<T, N - 1>{{(Indexes < len ? arr[Indexes] : T())...}, len};
}
template<typename T, std::size_t N, std::ptrdiff_t...Indexes>
SPROUT_CONSTEXPR inline sprout::basic_string<T, N - 1> to_string_impl(
T const(& arr)[N],
sprout::index_tuple<Indexes...>
)
{
return sprout::basic_string<T, N - 1>{{arr[Indexes]...}};
return to_string_impl_1(arr, sprout::index_tuple<Indexes...>(), sprout::char_traits<T>::length(arr));
}
} // namespace detail
//
@ -303,60 +539,105 @@ namespace sprout {
return sprout::detail::to_string_impl(arr, typename sprout::index_range<0, N - 1>::type());
}
template<typename T, std::size_t N>
SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::push_back<sprout::basic_string<T, N>, T>::type operator+(
sprout::basic_string<T, N> const& lhs,
template<typename T, std::size_t N, typename Traits>
SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::push_back<sprout::basic_string<T, N, Traits>, T>::type operator+(
sprout::basic_string<T, N, Traits> const& lhs,
T const& rhs
)
{
return sprout::fixed::push_back(lhs, rhs);
}
template<typename T, std::size_t N>
SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::push_front<sprout::basic_string<T, N>, T>::type operator+(
template<typename T, std::size_t N, typename Traits>
SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::push_front<sprout::basic_string<T, N, Traits>, T>::type operator+(
T const& lhs,
sprout::basic_string<T, N> const& rhs
sprout::basic_string<T, N, Traits> const& rhs
)
{
return sprout::fixed::push_front(rhs, lhs);
}
template<typename T, std::size_t N, std::size_t N2>
template<typename T, std::size_t N, typename Traits, std::size_t N2>
SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::join_back<
sprout::basic_string<T, N>,
sprout::basic_string<T, N2 - 1>
sprout::basic_string<T, N, Traits>,
sprout::basic_string<T, N2 - 1, Traits>
>::type operator+(
sprout::basic_string<T, N> const& lhs,
sprout::basic_string<T, N, Traits> const& lhs,
T const (& rhs)[N2]
)
{
return sprout::fixed::join_back(lhs, sprout::to_string(rhs));
}
template<typename T, std::size_t N, std::size_t N2>
template<typename T, std::size_t N, typename Traits, std::size_t N2>
SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::join_front<
sprout::basic_string<T, N>,
sprout::basic_string<T, N2 - 1>
sprout::basic_string<T, N, Traits>,
sprout::basic_string<T, N2 - 1, Traits>
>::type operator+(
T const (& lhs)[N2],
sprout::basic_string<T, N> const& rhs
sprout::basic_string<T, N, Traits> const& rhs
)
{
return sprout::fixed::join_front(rhs, sprout::to_string(lhs));
}
template<typename T, std::size_t N, std::size_t N2>
template<typename T, std::size_t N, typename Traits, std::size_t N2>
SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::join_back<
sprout::basic_string<T, N>,
sprout::basic_string<T, N2>
sprout::basic_string<T, N, Traits>,
sprout::basic_string<T, N2, Traits>
>::type operator+(
sprout::basic_string<T, N> const& lhs,
sprout::basic_string<T, N2> const& rhs
sprout::basic_string<T, N, Traits> const& lhs,
sprout::basic_string<T, N2, Traits> const& rhs
)
{
return sprout::fixed::join_back(lhs, rhs);
}
template<typename T, std::size_t N, typename Traits>
inline std::basic_ostream<T, Traits>& operator<<(std::basic_ostream<T, Traits>& lhs, sprout::basic_string<T, N> const& rhs) {
template<typename T, std::size_t N, typename Traits, typename StreamTraits>
inline std::basic_ostream<T, StreamTraits>& operator<<(std::basic_ostream<T, StreamTraits>& lhs, sprout::basic_string<T, N, Traits> const& rhs) {
return lhs << rhs.c_str();
}
template<typename T, std::size_t N, typename Traits, typename StreamTraits>
inline std::basic_istream<T, StreamTraits>& operator>>(std::basic_istream<T, StreamTraits>& lhs, sprout::basic_string<T, N, Traits>& rhs) {
typedef T elem_type;
typedef StreamTraits traits_type;
typedef std::basic_istream<T, StreamTraits> istream_type;
typedef sprout::basic_string<T, N, Traits> string_type;
typedef std::ctype<elem_type> ctype_type;
typedef typename string_type::size_type size_type;
std::ios_base::iostate state = std::ios_base::goodbit;
bool changed = false;
size_type current = 0;
if (typename istream_type::sentry(lhs)) {
ctype_type const& ctype_fac = std::use_facet<ctype_type>(lhs.getloc());
try {
size_type remain = 0 < lhs.width() && static_cast<size_type>(lhs.width()) < rhs.max_size()
? static_cast<size_type>(lhs.width())
: rhs.max_size()
;
typename traits_type::int_type meta = lhs.rdbuf()->sgetc();
for (; remain; --remain, meta = lhs.rdbuf()->snextc())
if (traits_type::eq_int_type(traits_type::eof(), meta)) {
state |= std::ios_base::eofbit;
break;
} else if (ctype_fac.is(ctype_type::space, traits_type::to_char_type(meta))) {
break;
} else {
rhs[current] = traits_type::to_char_type(meta);
changed = true;
++current;
}
} catch (...) {
state |= std::ios_base::badbit;
}
}
lhs.width(0);
if (!changed) {
state |= std::ios_base::failbit;
}
lhs.setstate(state);
rhs.len = current;
for (; current != rhs.max_size(); ++current) {
rhs[current] = T();
}
return lhs;
}
#if 0
//
@ -419,8 +700,8 @@ namespace std {
//
// tuple_size
//
template<typename T, std::size_t N>
struct tuple_size<sprout::basic_string<T, N> > {
template<typename T, std::size_t N, typename Traits>
struct tuple_size<sprout::basic_string<T, N, Traits> > {
public:
typedef std::integral_constant<std::size_t, N> type;
SPROUT_STATIC_CONSTEXPR std::size_t value = type::value;
@ -429,8 +710,8 @@ namespace std {
//
// tuple_element
//
template<std::size_t I, typename T, std::size_t N>
struct tuple_element<I, sprout::basic_string<T, N> > {
template<std::size_t I, typename T, std::size_t N, typename Traits>
struct tuple_element<I, sprout::basic_string<T, N, Traits> > {
public:
static_assert(I < N, "tuple_element<>: index out of range");
typedef T type;
@ -439,20 +720,21 @@ namespace std {
//
// get
//
template<std::size_t I, typename T, std::size_t N>
T& get(sprout::basic_string<T, N>& arr) SPROUT_NOEXCEPT {
template<std::size_t I, typename T, std::size_t N, typename Traits>
T& get(sprout::basic_string<T, N, Traits>& arr) SPROUT_NOEXCEPT {
static_assert(I < N, "tuple_element<>: index out of range");
return arr[I];
}
template<std::size_t I, typename T, std::size_t N>
SPROUT_CONSTEXPR T const& get(sprout::basic_string<T, N> const& arr) SPROUT_NOEXCEPT {
template<std::size_t I, typename T, std::size_t N, typename Traits>
SPROUT_CONSTEXPR T const& get(sprout::basic_string<T, N, Traits> const& arr) SPROUT_NOEXCEPT {
static_assert(I < N, "tuple_element<>: index out of range");
return arr[I];
}
template<std::size_t I, typename T, std::size_t N>
T&& get(sprout::basic_string<T, N>&& arr) SPROUT_NOEXCEPT {
template<std::size_t I, typename T, std::size_t N, typename Traits>
T&& get(sprout::basic_string<T, N, Traits>&& arr) SPROUT_NOEXCEPT {
return std::move(get<I>(arr));
}
} // namespace std
#endif // #ifndef SPROUT_STRING_HPP