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Formatting improvements in the <string_view> synopsis suggested by RSmith. No functionality change. 

llvm-svn: 211191
This commit is contained in:
Marshall Clow 2014-06-18 17:44:04 +00:00
parent e581920d12
commit 2f4bfdecb3
1 changed files with 111 additions and 112 deletions
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223
libcxx/include/experimental/string_view
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@ -55,6 +55,110 @@ namespace std {
typedef basic_string_view<char32_t> u32string_view;
typedef basic_string_view<wchar_t> wstring_view;
template<class charT, class traits = char_traits<charT>>
class basic_string_view {
public:
// types
typedef traits traits_type;
typedef charT value_type;
typedef charT* pointer;
typedef const charT* const_pointer;
typedef charT& reference;
typedef const charT& const_reference;
typedef implementation-defined const_iterator;
typedef const_iterator iterator;
typedef reverse_iterator<const_iterator> const_reverse_iterator;
typedef const_reverse_iterator reverse_iterator;
typedef size_t size_type;
typedef ptrdiff_t difference_type;
static constexpr size_type npos = size_type(-1);
// 7.3, basic_string_view constructors and assignment operators
constexpr basic_string_view() noexcept;
constexpr basic_string_view(const basic_string_view&) noexcept = default;
basic_string_view& operator=(const basic_string_view&) noexcept = default;
template<class Allocator>
basic_string_view(const basic_string<charT, traits, Allocator>& str) noexcept;
constexpr basic_string_view(const charT* str);
constexpr basic_string_view(const charT* str, size_type len);
// 7.4, basic_string_view iterator support
constexpr const_iterator begin() const noexcept;
constexpr const_iterator end() const noexcept;
constexpr const_iterator cbegin() const noexcept;
constexpr const_iterator cend() const noexcept;
const_reverse_iterator rbegin() const noexcept;
const_reverse_iterator rend() const noexcept;
const_reverse_iterator crbegin() const noexcept;
const_reverse_iterator crend() const noexcept;
// 7.5, basic_string_view capacity
constexpr size_type size() const noexcept;
constexpr size_type length() const noexcept;
constexpr size_type max_size() const noexcept;
constexpr bool empty() const noexcept;
// 7.6, basic_string_view element access
constexpr const_reference operator[](size_type pos) const;
constexpr const_reference at(size_type pos) const;
constexpr const_reference front() const;
constexpr const_reference back() const;
constexpr const_pointer data() const noexcept;
// 7.7, basic_string_view modifiers
constexpr void clear() noexcept;
constexpr void remove_prefix(size_type n);
constexpr void remove_suffix(size_type n);
constexpr void swap(basic_string_view& s) noexcept;
// 7.8, basic_string_view string operations
template<class Allocator>
explicit operator basic_string<charT, traits, Allocator>() const;
template<class Allocator = allocator<charT>>
basic_string<charT, traits, Allocator> to_string(
const Allocator& a = Allocator()) const;
size_type copy(charT* s, size_type n, size_type pos = 0) const;
constexpr basic_string_view substr(size_type pos = 0, size_type n = npos) const;
constexpr int compare(basic_string_view s) const noexcept;
constexpr int compare(size_type pos1, size_type n1, basic_string_view s) const;
constexpr int compare(size_type pos1, size_type n1,
basic_string_view s, size_type pos2, size_type n2) const;
constexpr int compare(const charT* s) const;
constexpr int compare(size_type pos1, size_type n1, const charT* s) const;
constexpr int compare(size_type pos1, size_type n1,
const charT* s, size_type n2) const;
constexpr size_type find(basic_string_view s, size_type pos = 0) const noexcept;
constexpr size_type find(charT c, size_type pos = 0) const noexcept;
constexpr size_type find(const charT* s, size_type pos, size_type n) const;
constexpr size_type find(const charT* s, size_type pos = 0) const;
constexpr size_type rfind(basic_string_view s, size_type pos = npos) const noexcept;
constexpr size_type rfind(charT c, size_type pos = npos) const noexcept;
constexpr size_type rfind(const charT* s, size_type pos, size_type n) const;
constexpr size_type rfind(const charT* s, size_type pos = npos) const;
constexpr size_type find_first_of(basic_string_view s, size_type pos = 0) const noexcept;
constexpr size_type find_first_of(charT c, size_type pos = 0) const noexcept;
constexpr size_type find_first_of(const charT* s, size_type pos, size_type n) const;
constexpr size_type find_first_of(const charT* s, size_type pos = 0) const;
constexpr size_type find_last_of(basic_string_view s, size_type pos = npos) const noexcept;
constexpr size_type find_last_of(charT c, size_type pos = npos) const noexcept;
constexpr size_type find_last_of(const charT* s, size_type pos, size_type n) const;
constexpr size_type find_last_of(const charT* s, size_type pos = npos) const;
constexpr size_type find_first_not_of(basic_string_view s, size_type pos = 0) const noexcept;
constexpr size_type find_first_not_of(charT c, size_type pos = 0) const noexcept;
constexpr size_type find_first_not_of(const charT* s, size_type pos, size_type n) const;
constexpr size_type find_first_not_of(const charT* s, size_type pos = 0) const;
constexpr size_type find_last_not_of(basic_string_view s, size_type pos = npos) const noexcept;
constexpr size_type find_last_not_of(charT c, size_type pos = npos) const noexcept;
constexpr size_type find_last_not_of(const charT* s, size_type pos, size_type n) const;
constexpr size_type find_last_not_of(const charT* s, size_type pos = npos) const;
private:
const_pointer data_; // exposition only
size_type size_; // exposition only
};
} // namespace fundamentals_v1
} // namespace experimental
@ -68,111 +172,6 @@ namespace std {
} // namespace std
template<class charT, class traits = char_traits<charT>>
class basic_string_view {
public:
// types
typedef traits traits_type;
typedef charT value_type;
typedef charT* pointer;
typedef const charT* const_pointer;
typedef charT& reference;
typedef const charT& const_reference;
typedef implementation-defined const_iterator; // See 7.4
typedef const_iterator iterator;22) Because basic_string_view refers to a constant sequence, iterator and const_iterator are the same type.
typedef reverse_iterator<const_iterator> const_reverse_iterator;
typedef const_reverse_iterator reverse_iterator;
typedef size_t size_type;
typedef ptrdiff_t difference_type;
static constexpr size_type npos = size_type(-1);
// 7.3, basic_string_view constructors and assignment operators
constexpr basic_string_view() noexcept;
constexpr basic_string_view(const basic_string_view&) noexcept = default;
basic_string_view& operator=(const basic_string_view&) noexcept = default;
template<class Allocator>
basic_string_view(const basic_string<charT, traits, Allocator>& str) noexcept;
constexpr basic_string_view(const charT* str);
constexpr basic_string_view(const charT* str, size_type len);
// 7.4, basic_string_view iterator support
constexpr const_iterator begin() const noexcept;
constexpr const_iterator end() const noexcept;
constexpr const_iterator cbegin() const noexcept;
constexpr const_iterator cend() const noexcept;
const_reverse_iterator rbegin() const noexcept;
const_reverse_iterator rend() const noexcept;
const_reverse_iterator crbegin() const noexcept;
const_reverse_iterator crend() const noexcept;
// 7.5, basic_string_view capacity
constexpr size_type size() const noexcept;
constexpr size_type length() const noexcept;
constexpr size_type max_size() const noexcept;
constexpr bool empty() const noexcept;
// 7.6, basic_string_view element access
constexpr const_reference operator[](size_type pos) const;
constexpr const_reference at(size_type pos) const;
constexpr const_reference front() const;
constexpr const_reference back() const;
constexpr const_pointer data() const noexcept;
// 7.7, basic_string_view modifiers
constexpr void clear() noexcept;
constexpr void remove_prefix(size_type n);
constexpr void remove_suffix(size_type n);
constexpr void swap(basic_string_view& s) noexcept;
// 7.8, basic_string_view string operations
template<class Allocator>
explicit operator basic_string<charT, traits, Allocator>() const;
template<class Allocator = allocator<charT>>
basic_string<charT, traits, Allocator> to_string(
const Allocator& a = Allocator()) const;
size_type copy(charT* s, size_type n, size_type pos = 0) const;
constexpr basic_string_view substr(size_type pos = 0, size_type n = npos) const;
constexpr int compare(basic_string_view s) const noexcept;
constexpr int compare(size_type pos1, size_type n1, basic_string_view s) const;
constexpr int compare(size_type pos1, size_type n1,
basic_string_view s, size_type pos2, size_type n2) const;
constexpr int compare(const charT* s) const;
constexpr int compare(size_type pos1, size_type n1, const charT* s) const;
constexpr int compare(size_type pos1, size_type n1,
const charT* s, size_type n2) const;
constexpr size_type find(basic_string_view s, size_type pos = 0) const noexcept;
constexpr size_type find(charT c, size_type pos = 0) const noexcept;
constexpr size_type find(const charT* s, size_type pos, size_type n) const;
constexpr size_type find(const charT* s, size_type pos = 0) const;
constexpr size_type rfind(basic_string_view s, size_type pos = npos) const noexcept;
constexpr size_type rfind(charT c, size_type pos = npos) const noexcept;
constexpr size_type rfind(const charT* s, size_type pos, size_type n) const;
constexpr size_type rfind(const charT* s, size_type pos = npos) const;
constexpr size_type find_first_of(basic_string_view s, size_type pos = 0) const noexcept;
constexpr size_type find_first_of(charT c, size_type pos = 0) const noexcept;
constexpr size_type find_first_of(const charT* s, size_type pos, size_type n) const;
constexpr size_type find_first_of(const charT* s, size_type pos = 0) const;
constexpr size_type find_last_of(basic_string_view s, size_type pos = npos) const noexcept;
constexpr size_type find_last_of(charT c, size_type pos = npos) const noexcept;
constexpr size_type find_last_of(const charT* s, size_type pos, size_type n) const;
constexpr size_type find_last_of(const charT* s, size_type pos = npos) const;
constexpr size_type find_first_not_of(basic_string_view s, size_type pos = 0) const noexcept;
constexpr size_type find_first_not_of(charT c, size_type pos = 0) const noexcept;
constexpr size_type find_first_not_of(const charT* s, size_type pos, size_type n) const;
constexpr size_type find_first_not_of(const charT* s, size_type pos = 0) const;
constexpr size_type find_last_not_of(basic_string_view s, size_type pos = npos) const noexcept;
constexpr size_type find_last_not_of(charT c, size_type pos = npos) const noexcept;
constexpr size_type find_last_not_of(const charT* s, size_type pos, size_type n) const;
constexpr size_type find_last_not_of(const charT* s, size_type pos = npos) const;
private:
const_pointer data_; // exposition only
size_type size_; // exposition only
};
*/
#include <__config>
@ -330,13 +329,13 @@ namespace std {
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
void swap(basic_string_view& __other) _NOEXCEPT
{
const value_type *__p = __data;
__data = __other.__data;
__other.__data = __p;
size_type __sz = __size;
__size = __other.__size;
__other.__size = __sz;
const value_type *__p = __data;
__data = __other.__data;
__other.__data = __p;
size_type __sz = __size;
__size = __other.__size;
__other.__size = __sz;
// _VSTD::swap( __data, __other.__data );
// _VSTD::swap( __size, __other.__size );
}