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// -*- C++ -*- |
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//===------------------------ string_view ---------------------------------===// |
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// |
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// The LLVM Compiler Infrastructure |
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// |
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// This file is distributed under the University of Illinois Open Source |
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// License. See LICENSE.TXT for details. |
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// |
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//===----------------------------------------------------------------------===// |
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|
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#ifndef _LIBCPP_LFTS_STRING_VIEW |
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#define _LIBCPP_LFTS_STRING_VIEW |
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|
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/* |
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string_view synopsis |
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|
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namespace std {
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namespace experimental {
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inline namespace library_fundamentals_v1 {
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|
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// 7.2, Class template basic_string_view |
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template<class charT, class traits = char_traits<charT>> |
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class basic_string_view; |
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|
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// 7.9, basic_string_view non-member comparison functions |
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template<class charT, class traits> |
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constexpr bool operator==(basic_string_view<charT, traits> x, |
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basic_string_view<charT, traits> y) noexcept; |
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template<class charT, class traits> |
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constexpr bool operator!=(basic_string_view<charT, traits> x, |
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basic_string_view<charT, traits> y) noexcept; |
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template<class charT, class traits> |
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constexpr bool operator< (basic_string_view<charT, traits> x, |
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basic_string_view<charT, traits> y) noexcept; |
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template<class charT, class traits> |
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constexpr bool operator> (basic_string_view<charT, traits> x, |
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basic_string_view<charT, traits> y) noexcept; |
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template<class charT, class traits> |
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constexpr bool operator<=(basic_string_view<charT, traits> x, |
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basic_string_view<charT, traits> y) noexcept; |
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template<class charT, class traits> |
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constexpr bool operator>=(basic_string_view<charT, traits> x, |
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basic_string_view<charT, traits> y) noexcept; |
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// see below, sufficient additional overloads of comparison functions |
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|
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// 7.10, Inserters and extractors |
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template<class charT, class traits> |
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basic_ostream<charT, traits>& |
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operator<<(basic_ostream<charT, traits>& os, |
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basic_string_view<charT, traits> str); |
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|
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// basic_string_view typedef names |
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typedef basic_string_view<char> string_view; |
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typedef basic_string_view<char16_t> u16string_view; |
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typedef basic_string_view<char32_t> u32string_view; |
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typedef basic_string_view<wchar_t> wstring_view; |
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|
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template<class charT, class traits = char_traits<charT>> |
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class basic_string_view {
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public: |
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// types |
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typedef traits traits_type; |
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typedef charT value_type; |
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typedef charT* pointer; |
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typedef const charT* const_pointer; |
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typedef charT& reference; |
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typedef const charT& const_reference; |
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typedef implementation-defined const_iterator; |
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typedef const_iterator iterator; |
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typedef reverse_iterator<const_iterator> const_reverse_iterator; |
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typedef const_reverse_iterator reverse_iterator; |
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typedef size_t size_type; |
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typedef ptrdiff_t difference_type; |
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static constexpr size_type npos = size_type(-1); |
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|
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// 7.3, basic_string_view constructors and assignment operators |
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constexpr basic_string_view() noexcept; |
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constexpr basic_string_view(const basic_string_view&) noexcept = default; |
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basic_string_view& operator=(const basic_string_view&) noexcept = default; |
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template<class Allocator> |
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basic_string_view(const basic_string<charT, traits, Allocator>& str) noexcept; |
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constexpr basic_string_view(const charT* str); |
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constexpr basic_string_view(const charT* str, size_type len); |
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|
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// 7.4, basic_string_view iterator support |
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constexpr const_iterator begin() const noexcept; |
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constexpr const_iterator end() const noexcept; |
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constexpr const_iterator cbegin() const noexcept; |
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constexpr const_iterator cend() const noexcept; |
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const_reverse_iterator rbegin() const noexcept; |
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const_reverse_iterator rend() const noexcept; |
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const_reverse_iterator crbegin() const noexcept; |
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const_reverse_iterator crend() const noexcept; |
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|
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// 7.5, basic_string_view capacity |
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constexpr size_type size() const noexcept; |
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constexpr size_type length() const noexcept; |
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constexpr size_type max_size() const noexcept; |
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constexpr bool empty() const noexcept; |
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|
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// 7.6, basic_string_view element access |
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constexpr const_reference operator[](size_type pos) const; |
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constexpr const_reference at(size_type pos) const; |
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constexpr const_reference front() const; |
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constexpr const_reference back() const; |
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constexpr const_pointer data() const noexcept; |
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|
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// 7.7, basic_string_view modifiers |
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constexpr void clear() noexcept; |
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constexpr void remove_prefix(size_type n); |
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constexpr void remove_suffix(size_type n); |
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constexpr void swap(basic_string_view& s) noexcept; |
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|
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// 7.8, basic_string_view string operations |
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template<class Allocator> |
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explicit operator basic_string<charT, traits, Allocator>() const; |
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template<class Allocator = allocator<charT>> |
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basic_string<charT, traits, Allocator> to_string( |
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const Allocator& a = Allocator()) const; |
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size_type copy(charT* s, size_type n, size_type pos = 0) const; |
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constexpr basic_string_view substr(size_type pos = 0, size_type n = npos) const; |
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constexpr int compare(basic_string_view s) const noexcept; |
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constexpr int compare(size_type pos1, size_type n1, basic_string_view s) const; |
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constexpr int compare(size_type pos1, size_type n1, |
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basic_string_view s, size_type pos2, size_type n2) const; |
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constexpr int compare(const charT* s) const; |
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constexpr int compare(size_type pos1, size_type n1, const charT* s) const; |
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constexpr int compare(size_type pos1, size_type n1, |
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const charT* s, size_type n2) const; |
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constexpr size_type find(basic_string_view s, size_type pos = 0) const noexcept; |
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constexpr size_type find(charT c, size_type pos = 0) const noexcept; |
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constexpr size_type find(const charT* s, size_type pos, size_type n) const; |
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constexpr size_type find(const charT* s, size_type pos = 0) const; |
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constexpr size_type rfind(basic_string_view s, size_type pos = npos) const noexcept; |
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constexpr size_type rfind(charT c, size_type pos = npos) const noexcept; |
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constexpr size_type rfind(const charT* s, size_type pos, size_type n) const; |
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constexpr size_type rfind(const charT* s, size_type pos = npos) const; |
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constexpr size_type find_first_of(basic_string_view s, size_type pos = 0) const noexcept; |
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constexpr size_type find_first_of(charT c, size_type pos = 0) const noexcept; |
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constexpr size_type find_first_of(const charT* s, size_type pos, size_type n) const; |
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constexpr size_type find_first_of(const charT* s, size_type pos = 0) const; |
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constexpr size_type find_last_of(basic_string_view s, size_type pos = npos) const noexcept; |
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constexpr size_type find_last_of(charT c, size_type pos = npos) const noexcept; |
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constexpr size_type find_last_of(const charT* s, size_type pos, size_type n) const; |
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constexpr size_type find_last_of(const charT* s, size_type pos = npos) const; |
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constexpr size_type find_first_not_of(basic_string_view s, size_type pos = 0) const noexcept; |
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constexpr size_type find_first_not_of(charT c, size_type pos = 0) const noexcept; |
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constexpr size_type find_first_not_of(const charT* s, size_type pos, size_type n) const; |
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constexpr size_type find_first_not_of(const charT* s, size_type pos = 0) const; |
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constexpr size_type find_last_not_of(basic_string_view s, size_type pos = npos) const noexcept; |
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constexpr size_type find_last_not_of(charT c, size_type pos = npos) const noexcept; |
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constexpr size_type find_last_not_of(const charT* s, size_type pos, size_type n) const; |
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constexpr size_type find_last_not_of(const charT* s, size_type pos = npos) const; |
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private: |
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const_pointer data_; // exposition only |
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size_type size_; // exposition only |
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}; |
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|
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} // namespace fundamentals_v1 |
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} // namespace experimental |
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// 7.11, Hash support |
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template <class T> struct hash; |
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template <> struct hash<experimental::string_view>; |
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template <> struct hash<experimental::u16string_view>; |
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template <> struct hash<experimental::u32string_view>; |
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template <> struct hash<experimental::wstring_view>; |
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} // namespace std |
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*/ |
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#include <experimental/__config> |
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#include <string> |
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#include <algorithm> |
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#include <iterator> |
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#include <ostream> |
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#include <iomanip> |
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#include <__debug> |
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
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#pragma GCC system_header |
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#endif |
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_LIBCPP_BEGIN_NAMESPACE_LFTS |
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template<class _CharT, class _Traits = _VSTD::char_traits<_CharT> > |
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class _LIBCPP_TYPE_VIS_ONLY basic_string_view {
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public: |
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// types |
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typedef _Traits traits_type; |
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typedef _CharT value_type; |
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typedef const _CharT* pointer; |
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typedef const _CharT* const_pointer; |
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typedef const _CharT& reference; |
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typedef const _CharT& const_reference; |
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typedef const_pointer const_iterator; // See [string.view.iterators] |
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typedef const_iterator iterator; |
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typedef _VSTD::reverse_iterator<const_iterator> const_reverse_iterator; |
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typedef const_reverse_iterator reverse_iterator; |
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typedef size_t size_type; |
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typedef ptrdiff_t difference_type; |
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static _LIBCPP_CONSTEXPR const size_type npos = -1; // size_type(-1); |
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|
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// [string.view.cons], construct/copy |
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_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY |
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basic_string_view() _NOEXCEPT : __data (nullptr), __size(0) {}
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_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY |
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basic_string_view(const basic_string_view&) _NOEXCEPT = default; |
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_LIBCPP_INLINE_VISIBILITY |
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basic_string_view& operator=(const basic_string_view&) _NOEXCEPT = default; |
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template<class _Allocator> |
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_LIBCPP_INLINE_VISIBILITY |
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basic_string_view(const basic_string<_CharT, _Traits, _Allocator>& __str) _NOEXCEPT |
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: __data (__str.data()), __size(__str.size()) {}
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_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY |
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basic_string_view(const _CharT* __s, size_type __len) |
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: __data(__s), __size(__len) |
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{
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// _LIBCPP_ASSERT(__len == 0 || __s != nullptr, "string_view::string_view(_CharT *, size_t): recieved nullptr"); |
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} |
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_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY |
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basic_string_view(const _CharT* __s) |
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: __data(__s), __size(_Traits::length(__s)) {}
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// [string.view.iterators], iterators |
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_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY |
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const_iterator begin() const _NOEXCEPT { return cbegin(); }
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_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY |
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const_iterator end() const _NOEXCEPT { return cend(); }
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_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY |
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const_iterator cbegin() const _NOEXCEPT { return __data; }
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_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY |
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const_iterator cend() const _NOEXCEPT { return __data + __size; }
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_LIBCPP_INLINE_VISIBILITY |
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const_reverse_iterator rbegin() const _NOEXCEPT { return const_reverse_iterator(cend()); }
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_LIBCPP_INLINE_VISIBILITY |
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const_reverse_iterator rend() const _NOEXCEPT { return const_reverse_iterator(cbegin()); }
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_LIBCPP_INLINE_VISIBILITY |
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const_reverse_iterator crbegin() const _NOEXCEPT { return const_reverse_iterator(cend()); }
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_LIBCPP_INLINE_VISIBILITY |
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const_reverse_iterator crend() const _NOEXCEPT { return const_reverse_iterator(cbegin()); }
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// [string.view.capacity], capacity |
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_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY |
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size_type size() const _NOEXCEPT { return __size; }
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_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY |
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size_type length() const _NOEXCEPT { return __size; }
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_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY |
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size_type max_size() const _NOEXCEPT { return _VSTD::numeric_limits<size_type>::max(); }
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_LIBCPP_CONSTEXPR bool _LIBCPP_INLINE_VISIBILITY |
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empty() const _NOEXCEPT { return __size == 0; }
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// [string.view.access], element access |
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_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY |
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const_reference operator[](size_type __pos) const { return __data[__pos]; }
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_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY |
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const_reference at(size_type __pos) const |
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{
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return __pos >= size() |
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? (throw out_of_range("string_view::at"), __data[0])
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: __data[__pos]; |
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} |
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_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY |
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const_reference front() const |
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{
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return _LIBCPP_ASSERT(!empty(), "string_view::front(): string is empty"), __data[0]; |
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} |
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_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY |
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const_reference back() const |
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{
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return _LIBCPP_ASSERT(!empty(), "string_view::back(): string is empty"), __data[__size-1]; |
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} |
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_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY |
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const_pointer data() const _NOEXCEPT { return __data; }
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// [string.view.modifiers], modifiers: |
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_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
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void clear() _NOEXCEPT |
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{
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__data = nullptr; |
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__size = 0; |
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} |
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_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
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void remove_prefix(size_type __n) _NOEXCEPT |
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{
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_LIBCPP_ASSERT(__n <= size(), "remove_prefix() can't remove more than size()"); |
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__data += __n; |
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__size -= __n; |
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} |
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_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
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void remove_suffix(size_type __n) _NOEXCEPT |
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{
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_LIBCPP_ASSERT(__n <= size(), "remove_suffix() can't remove more than size()"); |
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__size -= __n; |
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} |
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_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
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void swap(basic_string_view& __other) _NOEXCEPT |
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{
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const value_type *__p = __data; |
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__data = __other.__data; |
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__other.__data = __p; |
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|
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size_type __sz = __size; |
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__size = __other.__size; |
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__other.__size = __sz; |
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// _VSTD::swap( __data, __other.__data ); |
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// _VSTD::swap( __size, __other.__size ); |
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} |
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|
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// [string.view.ops], string operations: |
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template<class _Allocator> |
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_LIBCPP_INLINE_VISIBILITY |
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_LIBCPP_EXPLICIT operator basic_string<_CharT, _Traits, _Allocator>() const |
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{ return basic_string<_CharT, _Traits, _Allocator>( begin(), end()); }
|
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|
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template<class _Allocator = allocator<_CharT> > |
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_LIBCPP_INLINE_VISIBILITY |
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basic_string<_CharT, _Traits, _Allocator> |
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to_string( const _Allocator& __a = _Allocator()) const |
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{ return basic_string<_CharT, _Traits, _Allocator> ( begin(), end(), __a ); }
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|
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size_type copy(_CharT* __s, size_type __n, size_type __pos = 0) const |
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{
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if ( __pos > size()) |
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throw out_of_range("string_view::copy");
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size_type __rlen = _VSTD::min( __n, size() - __pos ); |
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_VSTD::copy_n(begin() + __pos, __rlen, __s ); |
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return __rlen; |
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} |
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|
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_LIBCPP_CONSTEXPR |
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basic_string_view substr(size_type __pos = 0, size_type __n = npos) const |
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{
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// if (__pos > size()) |
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// throw out_of_range("string_view::substr");
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// size_type __rlen = _VSTD::min( __n, size() - __pos ); |
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// return basic_string_view(data() + __pos, __rlen); |
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return __pos > size() |
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? throw out_of_range("string_view::substr")
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: basic_string_view(data() + __pos, _VSTD::min(__n, size() - __pos)); |
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} |
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_LIBCPP_CONSTEXPR_AFTER_CXX11 int compare(basic_string_view __sv) const _NOEXCEPT |
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{
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size_type __rlen = _VSTD::min( size(), __sv.size()); |
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int __retval = _Traits::compare(data(), __sv.data(), __rlen); |
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if ( __retval == 0 ) // first __rlen chars matched |
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__retval = size() == __sv.size() ? 0 : ( size() < __sv.size() ? -1 : 1 ); |
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return __retval; |
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} |
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|
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_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
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int compare(size_type __pos1, size_type __n1, basic_string_view __sv) const |
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{
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return substr(__pos1, __n1).compare(__sv); |
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} |
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_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
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int compare( size_type __pos1, size_type __n1, |
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basic_string_view _sv, size_type __pos2, size_type __n2) const |
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{
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return substr(__pos1, __n1).compare(_sv.substr(__pos2, __n2)); |
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} |
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_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
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int compare(const _CharT* __s) const |
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{
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return compare(basic_string_view(__s)); |
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} |
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_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
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int compare(size_type __pos1, size_type __n1, const _CharT* __s) const |
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{
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return substr(__pos1, __n1).compare(basic_string_view(__s)); |
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} |
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|
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_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
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int compare(size_type __pos1, size_type __n1, const _CharT* __s, size_type __n2) const |
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{
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return substr(__pos1, __n1).compare(basic_string_view(__s, __n2)); |
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} |
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|
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// find |
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_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
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size_type find(basic_string_view __s, size_type __pos = 0) const _NOEXCEPT |
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{
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_LIBCPP_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find(): recieved nullptr"); |
| 417 |
return _VSTD::__str_find<value_type, size_type, traits_type, npos> |
| 418 |
(data(), size(), __s.data(), __pos, __s.size()); |
| 419 |
} |
| 420 |
|
| 421 |
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 422 |
size_type find(_CharT __c, size_type __pos = 0) const _NOEXCEPT |
| 423 |
{
|
| 424 |
return _VSTD::__str_find<value_type, size_type, traits_type, npos> |
| 425 |
(data(), size(), __c, __pos); |
| 426 |
} |
| 427 |
|
| 428 |
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 429 |
size_type find(const _CharT* __s, size_type __pos, size_type __n) const |
| 430 |
{
|
| 431 |
_LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::find(): recieved nullptr"); |
| 432 |
return _VSTD::__str_find<value_type, size_type, traits_type, npos> |
| 433 |
(data(), size(), __s, __pos, __n); |
| 434 |
} |
| 435 |
|
| 436 |
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 437 |
size_type find(const _CharT* __s, size_type __pos = 0) const |
| 438 |
{
|
| 439 |
_LIBCPP_ASSERT(__s != nullptr, "string_view::find(): recieved nullptr"); |
| 440 |
return _VSTD::__str_find<value_type, size_type, traits_type, npos> |
| 441 |
(data(), size(), __s, __pos, traits_type::length(__s)); |
| 442 |
} |
| 443 |
|
| 444 |
// rfind |
| 445 |
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 446 |
size_type rfind(basic_string_view __s, size_type __pos = npos) const _NOEXCEPT |
| 447 |
{
|
| 448 |
_LIBCPP_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find(): recieved nullptr"); |
| 449 |
return _VSTD::__str_rfind<value_type, size_type, traits_type, npos> |
| 450 |
(data(), size(), __s.data(), __pos, __s.size()); |
| 451 |
} |
| 452 |
|
| 453 |
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 454 |
size_type rfind(_CharT __c, size_type __pos = npos) const _NOEXCEPT |
| 455 |
{
|
| 456 |
return _VSTD::__str_rfind<value_type, size_type, traits_type, npos> |
| 457 |
(data(), size(), __c, __pos); |
| 458 |
} |
| 459 |
|
| 460 |
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 461 |
size_type rfind(const _CharT* __s, size_type __pos, size_type __n) const |
| 462 |
{
|
| 463 |
_LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::rfind(): recieved nullptr"); |
| 464 |
return _VSTD::__str_rfind<value_type, size_type, traits_type, npos> |
| 465 |
(data(), size(), __s, __pos, __n); |
| 466 |
} |
| 467 |
|
| 468 |
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 469 |
size_type rfind(const _CharT* __s, size_type __pos=npos) const |
| 470 |
{
|
| 471 |
_LIBCPP_ASSERT(__s != nullptr, "string_view::rfind(): recieved nullptr"); |
| 472 |
return _VSTD::__str_rfind<value_type, size_type, traits_type, npos> |
| 473 |
(data(), size(), __s, __pos, traits_type::length(__s)); |
| 474 |
} |
| 475 |
|
| 476 |
// find_first_of |
| 477 |
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 478 |
size_type find_first_of(basic_string_view __s, size_type __pos = 0) const _NOEXCEPT |
| 479 |
{
|
| 480 |
_LIBCPP_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find_first_of(): recieved nullptr"); |
| 481 |
return _VSTD::__str_find_first_of<value_type, size_type, traits_type, npos> |
| 482 |
(data(), size(), __s.data(), __pos, __s.size()); |
| 483 |
} |
| 484 |
|
| 485 |
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 486 |
size_type find_first_of(_CharT __c, size_type __pos = 0) const _NOEXCEPT |
| 487 |
{ return find(__c, __pos); }
|
| 488 |
|
| 489 |
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 490 |
size_type find_first_of(const _CharT* __s, size_type __pos, size_type __n) const |
| 491 |
{
|
| 492 |
_LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::find_first_of(): recieved nullptr"); |
| 493 |
return _VSTD::__str_find_first_of<value_type, size_type, traits_type, npos> |
| 494 |
(data(), size(), __s, __pos, __n); |
| 495 |
} |
| 496 |
|
| 497 |
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 498 |
size_type find_first_of(const _CharT* __s, size_type __pos=0) const |
| 499 |
{
|
| 500 |
_LIBCPP_ASSERT(__s != nullptr, "string_view::find_first_of(): recieved nullptr"); |
| 501 |
return _VSTD::__str_find_first_of<value_type, size_type, traits_type, npos> |
| 502 |
(data(), size(), __s, __pos, traits_type::length(__s)); |
| 503 |
} |
| 504 |
|
| 505 |
// find_last_of |
| 506 |
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 507 |
size_type find_last_of(basic_string_view __s, size_type __pos=npos) const _NOEXCEPT |
| 508 |
{
|
| 509 |
_LIBCPP_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find_last_of(): recieved nullptr"); |
| 510 |
return _VSTD::__str_find_last_of<value_type, size_type, traits_type, npos> |
| 511 |
(data(), size(), __s.data(), __pos, __s.size()); |
| 512 |
} |
| 513 |
|
| 514 |
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 515 |
size_type find_last_of(_CharT __c, size_type __pos = npos) const _NOEXCEPT |
| 516 |
{ return rfind(__c, __pos); }
|
| 517 |
|
| 518 |
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 519 |
size_type find_last_of(const _CharT* __s, size_type __pos, size_type __n) const |
| 520 |
{
|
| 521 |
_LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::find_last_of(): recieved nullptr"); |
| 522 |
return _VSTD::__str_find_last_of<value_type, size_type, traits_type, npos> |
| 523 |
(data(), size(), __s, __pos, __n); |
| 524 |
} |
| 525 |
|
| 526 |
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 527 |
size_type find_last_of(const _CharT* __s, size_type __pos=npos) const |
| 528 |
{
|
| 529 |
_LIBCPP_ASSERT(__s != nullptr, "string_view::find_last_of(): recieved nullptr"); |
| 530 |
return _VSTD::__str_find_last_of<value_type, size_type, traits_type, npos> |
| 531 |
(data(), size(), __s, __pos, traits_type::length(__s)); |
| 532 |
} |
| 533 |
|
| 534 |
// find_first_not_of |
| 535 |
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 536 |
size_type find_first_not_of(basic_string_view __s, size_type __pos=0) const _NOEXCEPT |
| 537 |
{
|
| 538 |
_LIBCPP_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find_first_not_of(): recieved nullptr"); |
| 539 |
return _VSTD::__str_find_first_not_of<value_type, size_type, traits_type, npos> |
| 540 |
(data(), size(), __s.data(), __pos, __s.size()); |
| 541 |
} |
| 542 |
|
| 543 |
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 544 |
size_type find_first_not_of(_CharT __c, size_type __pos=0) const _NOEXCEPT |
| 545 |
{
|
| 546 |
return _VSTD::__str_find_first_not_of<value_type, size_type, traits_type, npos> |
| 547 |
(data(), size(), __c, __pos); |
| 548 |
} |
| 549 |
|
| 550 |
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 551 |
size_type find_first_not_of(const _CharT* __s, size_type __pos, size_type __n) const |
| 552 |
{
|
| 553 |
_LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::find_first_not_of(): recieved nullptr"); |
| 554 |
return _VSTD::__str_find_first_not_of<value_type, size_type, traits_type, npos> |
| 555 |
(data(), size(), __s, __pos, __n); |
| 556 |
} |
| 557 |
|
| 558 |
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 559 |
size_type find_first_not_of(const _CharT* __s, size_type __pos=0) const |
| 560 |
{
|
| 561 |
_LIBCPP_ASSERT(__s != nullptr, "string_view::find_first_not_of(): recieved nullptr"); |
| 562 |
return _VSTD::__str_find_first_not_of<value_type, size_type, traits_type, npos> |
| 563 |
(data(), size(), __s, __pos, traits_type::length(__s)); |
| 564 |
} |
| 565 |
|
| 566 |
// find_last_not_of |
| 567 |
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 568 |
size_type find_last_not_of(basic_string_view __s, size_type __pos=npos) const _NOEXCEPT |
| 569 |
{
|
| 570 |
_LIBCPP_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find_last_not_of(): recieved nullptr"); |
| 571 |
return _VSTD::__str_find_last_not_of<value_type, size_type, traits_type, npos> |
| 572 |
(data(), size(), __s.data(), __pos, __s.size()); |
| 573 |
} |
| 574 |
|
| 575 |
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 576 |
size_type find_last_not_of(_CharT __c, size_type __pos=npos) const _NOEXCEPT |
| 577 |
{
|
| 578 |
return _VSTD::__str_find_last_not_of<value_type, size_type, traits_type, npos> |
| 579 |
(data(), size(), __c, __pos); |
| 580 |
} |
| 581 |
|
| 582 |
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 583 |
size_type find_last_not_of(const _CharT* __s, size_type __pos, size_type __n) const |
| 584 |
{
|
| 585 |
_LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::find_last_not_of(): recieved nullptr"); |
| 586 |
return _VSTD::__str_find_last_not_of<value_type, size_type, traits_type, npos> |
| 587 |
(data(), size(), __s, __pos, __n); |
| 588 |
} |
| 589 |
|
| 590 |
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 591 |
size_type find_last_not_of(const _CharT* __s, size_type __pos=npos) const |
| 592 |
{
|
| 593 |
_LIBCPP_ASSERT(__s != nullptr, "string_view::find_last_not_of(): recieved nullptr"); |
| 594 |
return _VSTD::__str_find_last_not_of<value_type, size_type, traits_type, npos> |
| 595 |
(data(), size(), __s, __pos, traits_type::length(__s)); |
| 596 |
} |
| 597 |
|
| 598 |
private: |
| 599 |
const value_type* __data; |
| 600 |
size_type __size; |
| 601 |
}; |
| 602 |
|
| 603 |
|
| 604 |
// [string.view.comparison] |
| 605 |
// operator == |
| 606 |
template<class _CharT, class _Traits> |
| 607 |
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 608 |
bool operator==(basic_string_view<_CharT, _Traits> __lhs, |
| 609 |
basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT |
| 610 |
{
|
| 611 |
if ( __lhs.size() != __rhs.size()) return false; |
| 612 |
return __lhs.compare(__rhs) == 0; |
| 613 |
} |
| 614 |
|
| 615 |
template<class _CharT, class _Traits> |
| 616 |
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 617 |
bool operator==(basic_string_view<_CharT, _Traits> __lhs, |
| 618 |
typename _VSTD::common_type<basic_string_view<_CharT, _Traits> >::type __rhs) _NOEXCEPT |
| 619 |
{
|
| 620 |
if ( __lhs.size() != __rhs.size()) return false; |
| 621 |
return __lhs.compare(__rhs) == 0; |
| 622 |
} |
| 623 |
|
| 624 |
template<class _CharT, class _Traits> |
| 625 |
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 626 |
bool operator==(typename _VSTD::common_type<basic_string_view<_CharT, _Traits> >::type __lhs, |
| 627 |
basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT |
| 628 |
{
|
| 629 |
if ( __lhs.size() != __rhs.size()) return false; |
| 630 |
return __lhs.compare(__rhs) == 0; |
| 631 |
} |
| 632 |
|
| 633 |
|
| 634 |
// operator != |
| 635 |
template<class _CharT, class _Traits> |
| 636 |
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 637 |
bool operator!=(basic_string_view<_CharT, _Traits> __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT |
| 638 |
{
|
| 639 |
if ( __lhs.size() != __rhs.size()) |
| 640 |
return true; |
| 641 |
return __lhs.compare(__rhs) != 0; |
| 642 |
} |
| 643 |
|
| 644 |
template<class _CharT, class _Traits> |
| 645 |
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 646 |
bool operator!=(basic_string_view<_CharT, _Traits> __lhs, |
| 647 |
typename _VSTD::common_type<basic_string_view<_CharT, _Traits> >::type __rhs) _NOEXCEPT |
| 648 |
{
|
| 649 |
if ( __lhs.size() != __rhs.size()) |
| 650 |
return true; |
| 651 |
return __lhs.compare(__rhs) != 0; |
| 652 |
} |
| 653 |
|
| 654 |
template<class _CharT, class _Traits> |
| 655 |
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 656 |
bool operator!=(typename _VSTD::common_type<basic_string_view<_CharT, _Traits> >::type __lhs, |
| 657 |
basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT |
| 658 |
{
|
| 659 |
if ( __lhs.size() != __rhs.size()) |
| 660 |
return true; |
| 661 |
return __lhs.compare(__rhs) != 0; |
| 662 |
} |
| 663 |
|
| 664 |
|
| 665 |
// operator < |
| 666 |
template<class _CharT, class _Traits> |
| 667 |
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 668 |
bool operator<(basic_string_view<_CharT, _Traits> __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT |
| 669 |
{
|
| 670 |
return __lhs.compare(__rhs) < 0; |
| 671 |
} |
| 672 |
|
| 673 |
template<class _CharT, class _Traits> |
| 674 |
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 675 |
bool operator<(basic_string_view<_CharT, _Traits> __lhs, |
| 676 |
typename _VSTD::common_type<basic_string_view<_CharT, _Traits> >::type __rhs) _NOEXCEPT |
| 677 |
{
|
| 678 |
return __lhs.compare(__rhs) < 0; |
| 679 |
} |
| 680 |
|
| 681 |
template<class _CharT, class _Traits> |
| 682 |
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 683 |
bool operator<(typename _VSTD::common_type<basic_string_view<_CharT, _Traits> >::type __lhs, |
| 684 |
basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT |
| 685 |
{
|
| 686 |
return __lhs.compare(__rhs) < 0; |
| 687 |
} |
| 688 |
|
| 689 |
|
| 690 |
// operator > |
| 691 |
template<class _CharT, class _Traits> |
| 692 |
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 693 |
bool operator> (basic_string_view<_CharT, _Traits> __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT |
| 694 |
{
|
| 695 |
return __lhs.compare(__rhs) > 0; |
| 696 |
} |
| 697 |
|
| 698 |
template<class _CharT, class _Traits> |
| 699 |
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 700 |
bool operator>(basic_string_view<_CharT, _Traits> __lhs, |
| 701 |
typename _VSTD::common_type<basic_string_view<_CharT, _Traits> >::type __rhs) _NOEXCEPT |
| 702 |
{
|
| 703 |
return __lhs.compare(__rhs) > 0; |
| 704 |
} |
| 705 |
|
| 706 |
template<class _CharT, class _Traits> |
| 707 |
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 708 |
bool operator>(typename _VSTD::common_type<basic_string_view<_CharT, _Traits> >::type __lhs, |
| 709 |
basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT |
| 710 |
{
|
| 711 |
return __lhs.compare(__rhs) > 0; |
| 712 |
} |
| 713 |
|
| 714 |
|
| 715 |
// operator <= |
| 716 |
template<class _CharT, class _Traits> |
| 717 |
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 718 |
bool operator<=(basic_string_view<_CharT, _Traits> __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT |
| 719 |
{
|
| 720 |
return __lhs.compare(__rhs) <= 0; |
| 721 |
} |
| 722 |
|
| 723 |
template<class _CharT, class _Traits> |
| 724 |
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 725 |
bool operator<=(basic_string_view<_CharT, _Traits> __lhs, |
| 726 |
typename _VSTD::common_type<basic_string_view<_CharT, _Traits> >::type __rhs) _NOEXCEPT |
| 727 |
{
|
| 728 |
return __lhs.compare(__rhs) <= 0; |
| 729 |
} |
| 730 |
|
| 731 |
template<class _CharT, class _Traits> |
| 732 |
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 733 |
bool operator<=(typename _VSTD::common_type<basic_string_view<_CharT, _Traits> >::type __lhs, |
| 734 |
basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT |
| 735 |
{
|
| 736 |
return __lhs.compare(__rhs) <= 0; |
| 737 |
} |
| 738 |
|
| 739 |
|
| 740 |
// operator >= |
| 741 |
template<class _CharT, class _Traits> |
| 742 |
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 743 |
bool operator>=(basic_string_view<_CharT, _Traits> __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT |
| 744 |
{
|
| 745 |
return __lhs.compare(__rhs) >= 0; |
| 746 |
} |
| 747 |
|
| 748 |
|
| 749 |
template<class _CharT, class _Traits> |
| 750 |
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 751 |
bool operator>=(basic_string_view<_CharT, _Traits> __lhs, |
| 752 |
typename _VSTD::common_type<basic_string_view<_CharT, _Traits> >::type __rhs) _NOEXCEPT |
| 753 |
{
|
| 754 |
return __lhs.compare(__rhs) >= 0; |
| 755 |
} |
| 756 |
|
| 757 |
template<class _CharT, class _Traits> |
| 758 |
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 759 |
bool operator>=(typename _VSTD::common_type<basic_string_view<_CharT, _Traits> >::type __lhs, |
| 760 |
basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT |
| 761 |
{
|
| 762 |
return __lhs.compare(__rhs) >= 0; |
| 763 |
} |
| 764 |
|
| 765 |
|
| 766 |
// [string.view.io] |
| 767 |
template<class _CharT, class _Traits> |
| 768 |
basic_ostream<_CharT, _Traits>& |
| 769 |
operator<<(basic_ostream<_CharT, _Traits>& __os, basic_string_view<_CharT, _Traits> __sv) |
| 770 |
{
|
| 771 |
return _VSTD::__put_character_sequence(__os, __sv.data(), __sv.size()); |
| 772 |
} |
| 773 |
|
| 774 |
typedef basic_string_view<char> string_view; |
| 775 |
typedef basic_string_view<char16_t> u16string_view; |
| 776 |
typedef basic_string_view<char32_t> u32string_view; |
| 777 |
typedef basic_string_view<wchar_t> wstring_view; |
| 778 |
|
| 779 |
_LIBCPP_END_NAMESPACE_LFTS |
| 780 |
_LIBCPP_BEGIN_NAMESPACE_STD |
| 781 |
|
| 782 |
// [string.view.hash] |
| 783 |
// Shamelessly stolen from <string> |
| 784 |
template<class _CharT, class _Traits> |
| 785 |
struct _LIBCPP_TYPE_VIS_ONLY hash<std::experimental::basic_string_view<_CharT, _Traits> > |
| 786 |
: public unary_function<std::experimental::basic_string_view<_CharT, _Traits>, size_t> |
| 787 |
{
|
| 788 |
size_t operator()(const std::experimental::basic_string_view<_CharT, _Traits>& __val) const _NOEXCEPT; |
| 789 |
}; |
| 790 |
|
| 791 |
template<class _CharT, class _Traits> |
| 792 |
size_t |
| 793 |
hash<std::experimental::basic_string_view<_CharT, _Traits> >::operator()( |
| 794 |
const std::experimental::basic_string_view<_CharT, _Traits>& __val) const _NOEXCEPT |
| 795 |
{
|
| 796 |
return __do_string_hash(__val.data(), __val.data() + __val.size()); |
| 797 |
} |
| 798 |
|
| 799 |
#if _LIBCPP_STD_VER > 11 |
| 800 |
template <class _CharT, class _Traits> |
| 801 |
__quoted_output_proxy<_CharT, const _CharT *, _Traits> |
| 802 |
quoted ( std::experimental::basic_string_view <_CharT, _Traits> __sv, |
| 803 |
_CharT __delim = _CharT('"'), _CharT __escape=_CharT('\\'))
|
| 804 |
{
|
| 805 |
return __quoted_output_proxy<_CharT, const _CharT *, _Traits> |
| 806 |
( __sv.data(), __sv.data() + __sv.size(), __delim, __escape ); |
| 807 |
} |
| 808 |
#endif |
| 809 |
|
| 810 |
_LIBCPP_END_NAMESPACE_STD |
| 811 |
|
| 812 |
#endif // _LIBCPP_LFTS_STRING_VIEW |