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add string_ref user-defined literals

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bolero-MURAKAMI 2016-03-25 10:48:59 +09:00
parent 2fce5bd7f9
commit 5bdb045730
7 changed files with 398 additions and 199 deletions
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62
sprout/utility/string_ref/string_ref.hpp
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@ -9,6 +9,7 @@
#define SPROUT_UTILITY_STRING_REF_STRING_REF_HPP
#include <string>
#include <memory>
#include <stdexcept>
#include <type_traits>
#include <sprout/config.hpp>
@ -124,19 +125,19 @@ namespace sprout {
#else
SPROUT_CXX14_CONSTEXPR iterator
begin() SPROUT_NOEXCEPT {
return data();
return ptr_;
}
SPROUT_CONSTEXPR const_iterator
begin() const SPROUT_NOEXCEPT {
return data();
return ptr_;
}
SPROUT_CXX14_CONSTEXPR iterator
end() SPROUT_NOEXCEPT {
return data() + size();
return ptr_ + size();
}
SPROUT_CONSTEXPR const_iterator
end() const SPROUT_NOEXCEPT {
return data() + size();
return ptr_ + size();
}
#endif
SPROUT_CONSTEXPR const_reverse_iterator
@ -159,11 +160,11 @@ namespace sprout {
#else
SPROUT_CONSTEXPR const_iterator
cbegin() const SPROUT_NOEXCEPT {
return data();
return ptr_;
}
SPROUT_CONSTEXPR const_iterator
cend() const SPROUT_NOEXCEPT {
return data() + size();
return ptr_ + size();
}
#endif
SPROUT_CONSTEXPR const_reverse_iterator
@ -232,8 +233,8 @@ namespace sprout {
}
SPROUT_CONSTEXPR basic_string_ref
remove_prefix(size_type n) const {
return n > size() ? basic_string_ref(data() + size(), 0)
: basic_string_ref(data() + n, size() - n)
return n > size() ? basic_string_ref(ptr_ + size(), 0)
: basic_string_ref(ptr_ + n, size() - n)
;
}
SPROUT_CXX14_CONSTEXPR void
@ -245,8 +246,8 @@ namespace sprout {
}
SPROUT_CONSTEXPR basic_string_ref
remove_suffix(size_type n) const {
return n > size() ? basic_string_ref(data(), 0)
: basic_string_ref(data(), size() - n)
return n > size() ? basic_string_ref(ptr_, 0)
: basic_string_ref(ptr_, size() - n)
;
}
// string operations:
@ -355,6 +356,13 @@ namespace sprout {
find_last_not_of(value_type c, size_type pos = npos) const {
return sprout::string_detail::find_last_not_of_c_impl<basic_string_ref>(begin(), size(), c, pos);
}
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;
}
SPROUT_CONSTEXPR basic_string_ref
substr(size_type pos = 0, size_type n = npos) const {
return !(size() < pos) ? n == npos
@ -399,7 +407,7 @@ namespace sprout {
}
SPROUT_CONSTEXPR bool
starts_with(basic_string_ref const& str) const {
return size() >= str.size() && traits_type::compare(data(), str.data(), str.size()) == 0;
return size() >= str.size() && traits_type::compare(begin(), str.begin(), str.size()) == 0;
}
SPROUT_CONSTEXPR bool
ends_with(value_type c) const {
@ -407,24 +415,30 @@ namespace sprout {
}
SPROUT_CONSTEXPR bool
ends_with(basic_string_ref const& str) const {
return size() >= str.size() && traits_type::compare(data() + size() - str.size(), str.data(), str.size()) == 0;
return size() >= str.size() && traits_type::compare(begin() + size() - str.size(), str.begin(), str.size()) == 0;
}
template<std::size_t N>
SPROUT_NON_CONSTEXPR sprout::basic_string<T, N, Traits>
to_string() const {
return sprout::basic_string<T, N, Traits>(ptr_, size());
}
template<typename Allocator = std::allocator<T> >
SPROUT_NON_CONSTEXPR std::basic_string<T, Traits, Allocator>
to_string() const {
return std::basic_string<T, Traits, Allocator>(ptr_, size());
}
template<std::size_t N>
SPROUT_EXPLICIT_CONVERSION SPROUT_NON_CONSTEXPR operator sprout::basic_string<T, N, Traits>() const {
return to_string<N>();
}
// others:
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_CONSTEXPR const_pointer
c_array() const SPROUT_NOEXCEPT {
return data();
}
SPROUT_CXX14_CONSTEXPR pointer
c_array() SPROUT_NOEXCEPT {
return data();
return to_string<Allocator>();
}
// others:
SPROUT_CXX14_CONSTEXPR void rangecheck(size_type i) const {
return i >= size() ? throw std::out_of_range("uuid: index out of range")
SPROUT_CXX14_CONSTEXPR void
rangecheck(size_type i) const {
return i >= size() ? throw std::out_of_range("basic_string_ref<>: index out of range")
: (void)0
;
}