diff options
Diffstat (limited to 'data/iphoneos-sdk/v1/__string')
| -rwxr-xr-x | data/iphoneos-sdk/v1/__string | 877 |
1 files changed, 877 insertions, 0 deletions
diff --git a/data/iphoneos-sdk/v1/__string b/data/iphoneos-sdk/v1/__string new file mode 100755 index 000000000..d30c7fddc --- /dev/null +++ b/data/iphoneos-sdk/v1/__string @@ -0,0 +1,877 @@ +// -*- C++ -*- +//===-------------------------- __string ----------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP___STRING +#define _LIBCPP___STRING + +/* + string synopsis + +namespace std +{ + +template <class charT> +struct char_traits +{ + typedef charT char_type; + typedef ... int_type; + typedef streamoff off_type; + typedef streampos pos_type; + typedef mbstate_t state_type; + + static constexpr void assign(char_type& c1, const char_type& c2) noexcept; + static constexpr bool eq(char_type c1, char_type c2) noexcept; + static constexpr bool lt(char_type c1, char_type c2) noexcept; + + static constexpr int compare(const char_type* s1, const char_type* s2, size_t n); + static constexpr size_t length(const char_type* s); + static constexpr const char_type* + find(const char_type* s, size_t n, const char_type& a); + static char_type* move(char_type* s1, const char_type* s2, size_t n); + static char_type* copy(char_type* s1, const char_type* s2, size_t n); + static char_type* assign(char_type* s, size_t n, char_type a); + + static constexpr int_type not_eof(int_type c) noexcept; + static constexpr char_type to_char_type(int_type c) noexcept; + static constexpr int_type to_int_type(char_type c) noexcept; + static constexpr bool eq_int_type(int_type c1, int_type c2) noexcept; + static constexpr int_type eof() noexcept; +}; + +template <> struct char_traits<char>; +template <> struct char_traits<wchar_t>; + +} // std + +*/ + +#include <__config> +#include <algorithm> // for search and min +#include <cstdio> // For EOF. +#include <memory> // for __murmur2_or_cityhash + +#include <__debug> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +#pragma GCC system_header +#endif + +_LIBCPP_PUSH_MACROS +#include <__undef_macros> + + +_LIBCPP_BEGIN_NAMESPACE_STD + +// char_traits + +template <class _CharT> +struct _LIBCPP_TEMPLATE_VIS char_traits +{ + typedef _CharT char_type; + typedef int int_type; + typedef streamoff off_type; + typedef streampos pos_type; + typedef mbstate_t state_type; + + static inline void _LIBCPP_CONSTEXPR_AFTER_CXX14 + assign(char_type& __c1, const char_type& __c2) _NOEXCEPT {__c1 = __c2;} + static inline _LIBCPP_CONSTEXPR bool eq(char_type __c1, char_type __c2) _NOEXCEPT + {return __c1 == __c2;} + static inline _LIBCPP_CONSTEXPR bool lt(char_type __c1, char_type __c2) _NOEXCEPT + {return __c1 < __c2;} + + static _LIBCPP_CONSTEXPR_AFTER_CXX14 + int compare(const char_type* __s1, const char_type* __s2, size_t __n); + _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR_AFTER_CXX14 + size_t length(const char_type* __s); + _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR_AFTER_CXX14 + const char_type* find(const char_type* __s, size_t __n, const char_type& __a); + static char_type* move(char_type* __s1, const char_type* __s2, size_t __n); + _LIBCPP_INLINE_VISIBILITY + static char_type* copy(char_type* __s1, const char_type* __s2, size_t __n); + _LIBCPP_INLINE_VISIBILITY + static char_type* assign(char_type* __s, size_t __n, char_type __a); + + static inline _LIBCPP_CONSTEXPR int_type not_eof(int_type __c) _NOEXCEPT + {return eq_int_type(__c, eof()) ? ~eof() : __c;} + static inline _LIBCPP_CONSTEXPR char_type to_char_type(int_type __c) _NOEXCEPT + {return char_type(__c);} + static inline _LIBCPP_CONSTEXPR int_type to_int_type(char_type __c) _NOEXCEPT + {return int_type(__c);} + static inline _LIBCPP_CONSTEXPR bool eq_int_type(int_type __c1, int_type __c2) _NOEXCEPT + {return __c1 == __c2;} + static inline _LIBCPP_CONSTEXPR int_type eof() _NOEXCEPT + {return int_type(EOF);} +}; + +template <class _CharT> +_LIBCPP_CONSTEXPR_AFTER_CXX14 int +char_traits<_CharT>::compare(const char_type* __s1, const char_type* __s2, size_t __n) +{ + for (; __n; --__n, ++__s1, ++__s2) + { + if (lt(*__s1, *__s2)) + return -1; + if (lt(*__s2, *__s1)) + return 1; + } + return 0; +} + +template <class _CharT> +inline +_LIBCPP_CONSTEXPR_AFTER_CXX14 size_t +char_traits<_CharT>::length(const char_type* __s) +{ + size_t __len = 0; + for (; !eq(*__s, char_type(0)); ++__s) + ++__len; + return __len; +} + +template <class _CharT> +inline +_LIBCPP_CONSTEXPR_AFTER_CXX14 const _CharT* +char_traits<_CharT>::find(const char_type* __s, size_t __n, const char_type& __a) +{ + for (; __n; --__n) + { + if (eq(*__s, __a)) + return __s; + ++__s; + } + return 0; +} + +template <class _CharT> +_CharT* +char_traits<_CharT>::move(char_type* __s1, const char_type* __s2, size_t __n) +{ + char_type* __r = __s1; + if (__s1 < __s2) + { + for (; __n; --__n, ++__s1, ++__s2) + assign(*__s1, *__s2); + } + else if (__s2 < __s1) + { + __s1 += __n; + __s2 += __n; + for (; __n; --__n) + assign(*--__s1, *--__s2); + } + return __r; +} + +template <class _CharT> +inline +_CharT* +char_traits<_CharT>::copy(char_type* __s1, const char_type* __s2, size_t __n) +{ + _LIBCPP_ASSERT(__s2 < __s1 || __s2 >= __s1+__n, "char_traits::copy overlapped range"); + char_type* __r = __s1; + for (; __n; --__n, ++__s1, ++__s2) + assign(*__s1, *__s2); + return __r; +} + +template <class _CharT> +inline +_CharT* +char_traits<_CharT>::assign(char_type* __s, size_t __n, char_type __a) +{ + char_type* __r = __s; + for (; __n; --__n, ++__s) + assign(*__s, __a); + return __r; +} + +// char_traits<char> + +template <> +struct _LIBCPP_TEMPLATE_VIS char_traits<char> +{ + typedef char char_type; + typedef int int_type; + typedef streamoff off_type; + typedef streampos pos_type; + typedef mbstate_t state_type; + + static inline _LIBCPP_CONSTEXPR_AFTER_CXX14 + void assign(char_type& __c1, const char_type& __c2) _NOEXCEPT {__c1 = __c2;} + static inline _LIBCPP_CONSTEXPR bool eq(char_type __c1, char_type __c2) _NOEXCEPT + {return __c1 == __c2;} + static inline _LIBCPP_CONSTEXPR bool lt(char_type __c1, char_type __c2) _NOEXCEPT + {return (unsigned char)__c1 < (unsigned char)__c2;} + + static _LIBCPP_CONSTEXPR_AFTER_CXX14 + int compare(const char_type* __s1, const char_type* __s2, size_t __n) _NOEXCEPT; + static inline size_t _LIBCPP_CONSTEXPR_AFTER_CXX14 + length(const char_type* __s) _NOEXCEPT {return __builtin_strlen(__s);} + static _LIBCPP_CONSTEXPR_AFTER_CXX14 + const char_type* find(const char_type* __s, size_t __n, const char_type& __a) _NOEXCEPT; + static inline char_type* move(char_type* __s1, const char_type* __s2, size_t __n) _NOEXCEPT + {return __n == 0 ? __s1 : (char_type*) memmove(__s1, __s2, __n);} + static inline char_type* copy(char_type* __s1, const char_type* __s2, size_t __n) _NOEXCEPT + { + _LIBCPP_ASSERT(__s2 < __s1 || __s2 >= __s1+__n, "char_traits::copy overlapped range"); + return __n == 0 ? __s1 : (char_type*)memcpy(__s1, __s2, __n); + } + static inline char_type* assign(char_type* __s, size_t __n, char_type __a) _NOEXCEPT + {return __n == 0 ? __s : (char_type*)memset(__s, to_int_type(__a), __n);} + + static inline _LIBCPP_CONSTEXPR int_type not_eof(int_type __c) _NOEXCEPT + {return eq_int_type(__c, eof()) ? ~eof() : __c;} + static inline _LIBCPP_CONSTEXPR char_type to_char_type(int_type __c) _NOEXCEPT + {return char_type(__c);} + static inline _LIBCPP_CONSTEXPR int_type to_int_type(char_type __c) _NOEXCEPT + {return int_type((unsigned char)__c);} + static inline _LIBCPP_CONSTEXPR bool eq_int_type(int_type __c1, int_type __c2) _NOEXCEPT + {return __c1 == __c2;} + static inline _LIBCPP_CONSTEXPR int_type eof() _NOEXCEPT + {return int_type(EOF);} +}; + +inline _LIBCPP_CONSTEXPR_AFTER_CXX14 +int +char_traits<char>::compare(const char_type* __s1, const char_type* __s2, size_t __n) _NOEXCEPT +{ + if (__n == 0) + return 0; +#if __has_feature(cxx_constexpr_string_builtins) + return __builtin_memcmp(__s1, __s2, __n); +#elif _LIBCPP_STD_VER <= 14 + return memcmp(__s1, __s2, __n); +#else + for (; __n; --__n, ++__s1, ++__s2) + { + if (lt(*__s1, *__s2)) + return -1; + if (lt(*__s2, *__s1)) + return 1; + } + return 0; +#endif +} + +inline _LIBCPP_CONSTEXPR_AFTER_CXX14 +const char* +char_traits<char>::find(const char_type* __s, size_t __n, const char_type& __a) _NOEXCEPT +{ + if (__n == 0) + return NULL; +#if __has_feature(cxx_constexpr_string_builtins) + return __builtin_char_memchr(__s, to_int_type(__a), __n); +#elif _LIBCPP_STD_VER <= 14 + return (const char_type*) memchr(__s, to_int_type(__a), __n); +#else + for (; __n; --__n) + { + if (eq(*__s, __a)) + return __s; + ++__s; + } + return NULL; +#endif +} + + +// char_traits<wchar_t> + +template <> +struct _LIBCPP_TEMPLATE_VIS char_traits<wchar_t> +{ + typedef wchar_t char_type; + typedef wint_t int_type; + typedef streamoff off_type; + typedef streampos pos_type; + typedef mbstate_t state_type; + + static inline _LIBCPP_CONSTEXPR_AFTER_CXX14 + void assign(char_type& __c1, const char_type& __c2) _NOEXCEPT {__c1 = __c2;} + static inline _LIBCPP_CONSTEXPR bool eq(char_type __c1, char_type __c2) _NOEXCEPT + {return __c1 == __c2;} + static inline _LIBCPP_CONSTEXPR bool lt(char_type __c1, char_type __c2) _NOEXCEPT + {return __c1 < __c2;} + + static _LIBCPP_CONSTEXPR_AFTER_CXX14 + int compare(const char_type* __s1, const char_type* __s2, size_t __n) _NOEXCEPT; + static _LIBCPP_CONSTEXPR_AFTER_CXX14 + size_t length(const char_type* __s) _NOEXCEPT; + static _LIBCPP_CONSTEXPR_AFTER_CXX14 + const char_type* find(const char_type* __s, size_t __n, const char_type& __a) _NOEXCEPT; + static inline char_type* move(char_type* __s1, const char_type* __s2, size_t __n) _NOEXCEPT + {return __n == 0 ? __s1 : (char_type*)wmemmove(__s1, __s2, __n);} + static inline char_type* copy(char_type* __s1, const char_type* __s2, size_t __n) _NOEXCEPT + { + _LIBCPP_ASSERT(__s2 < __s1 || __s2 >= __s1+__n, "char_traits::copy overlapped range"); + return __n == 0 ? __s1 : (char_type*)wmemcpy(__s1, __s2, __n); + } + static inline char_type* assign(char_type* __s, size_t __n, char_type __a) _NOEXCEPT + {return __n == 0 ? __s : (char_type*)wmemset(__s, __a, __n);} + + static inline _LIBCPP_CONSTEXPR int_type not_eof(int_type __c) _NOEXCEPT + {return eq_int_type(__c, eof()) ? ~eof() : __c;} + static inline _LIBCPP_CONSTEXPR char_type to_char_type(int_type __c) _NOEXCEPT + {return char_type(__c);} + static inline _LIBCPP_CONSTEXPR int_type to_int_type(char_type __c) _NOEXCEPT + {return int_type(__c);} + static inline _LIBCPP_CONSTEXPR bool eq_int_type(int_type __c1, int_type __c2) _NOEXCEPT + {return __c1 == __c2;} + static inline _LIBCPP_CONSTEXPR int_type eof() _NOEXCEPT + {return int_type(WEOF);} +}; + +inline _LIBCPP_CONSTEXPR_AFTER_CXX14 +int +char_traits<wchar_t>::compare(const char_type* __s1, const char_type* __s2, size_t __n) _NOEXCEPT +{ + if (__n == 0) + return 0; +#if __has_feature(cxx_constexpr_string_builtins) + return __builtin_wmemcmp(__s1, __s2, __n); +#elif _LIBCPP_STD_VER <= 14 + return wmemcmp(__s1, __s2, __n); +#else + for (; __n; --__n, ++__s1, ++__s2) + { + if (lt(*__s1, *__s2)) + return -1; + if (lt(*__s2, *__s1)) + return 1; + } + return 0; +#endif +} + +inline _LIBCPP_CONSTEXPR_AFTER_CXX14 +size_t +char_traits<wchar_t>::length(const char_type* __s) _NOEXCEPT +{ +#if __has_feature(cxx_constexpr_string_builtins) + return __builtin_wcslen(__s); +#elif _LIBCPP_STD_VER <= 14 + return wcslen(__s); +#else + size_t __len = 0; + for (; !eq(*__s, char_type(0)); ++__s) + ++__len; + return __len; +#endif +} + +inline _LIBCPP_CONSTEXPR_AFTER_CXX14 +const wchar_t* +char_traits<wchar_t>::find(const char_type* __s, size_t __n, const char_type& __a) _NOEXCEPT +{ + if (__n == 0) + return NULL; +#if __has_feature(cxx_constexpr_string_builtins) + return __builtin_wmemchr(__s, __a, __n); +#elif _LIBCPP_STD_VER <= 14 + return wmemchr(__s, __a, __n); +#else + for (; __n; --__n) + { + if (eq(*__s, __a)) + return __s; + ++__s; + } + return NULL; +#endif +} + + +#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS + +template <> +struct _LIBCPP_TEMPLATE_VIS char_traits<char16_t> +{ + typedef char16_t char_type; + typedef uint_least16_t int_type; + typedef streamoff off_type; + typedef u16streampos pos_type; + typedef mbstate_t state_type; + + static inline _LIBCPP_CONSTEXPR_AFTER_CXX14 + void assign(char_type& __c1, const char_type& __c2) _NOEXCEPT {__c1 = __c2;} + static inline _LIBCPP_CONSTEXPR bool eq(char_type __c1, char_type __c2) _NOEXCEPT + {return __c1 == __c2;} + static inline _LIBCPP_CONSTEXPR bool lt(char_type __c1, char_type __c2) _NOEXCEPT + {return __c1 < __c2;} + + _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR_AFTER_CXX14 + int compare(const char_type* __s1, const char_type* __s2, size_t __n) _NOEXCEPT; + _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR_AFTER_CXX14 + size_t length(const char_type* __s) _NOEXCEPT; + _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR_AFTER_CXX14 + const char_type* find(const char_type* __s, size_t __n, const char_type& __a) _NOEXCEPT; + _LIBCPP_INLINE_VISIBILITY + static char_type* move(char_type* __s1, const char_type* __s2, size_t __n) _NOEXCEPT; + _LIBCPP_INLINE_VISIBILITY + static char_type* copy(char_type* __s1, const char_type* __s2, size_t __n) _NOEXCEPT; + _LIBCPP_INLINE_VISIBILITY + static char_type* assign(char_type* __s, size_t __n, char_type __a) _NOEXCEPT; + + static inline _LIBCPP_CONSTEXPR int_type not_eof(int_type __c) _NOEXCEPT + {return eq_int_type(__c, eof()) ? ~eof() : __c;} + static inline _LIBCPP_CONSTEXPR char_type to_char_type(int_type __c) _NOEXCEPT + {return char_type(__c);} + static inline _LIBCPP_CONSTEXPR int_type to_int_type(char_type __c) _NOEXCEPT + {return int_type(__c);} + static inline _LIBCPP_CONSTEXPR bool eq_int_type(int_type __c1, int_type __c2) _NOEXCEPT + {return __c1 == __c2;} + static inline _LIBCPP_CONSTEXPR int_type eof() _NOEXCEPT + {return int_type(0xFFFF);} +}; + +inline _LIBCPP_CONSTEXPR_AFTER_CXX14 +int +char_traits<char16_t>::compare(const char_type* __s1, const char_type* __s2, size_t __n) _NOEXCEPT +{ + for (; __n; --__n, ++__s1, ++__s2) + { + if (lt(*__s1, *__s2)) + return -1; + if (lt(*__s2, *__s1)) + return 1; + } + return 0; +} + +inline _LIBCPP_CONSTEXPR_AFTER_CXX14 +size_t +char_traits<char16_t>::length(const char_type* __s) _NOEXCEPT +{ + size_t __len = 0; + for (; !eq(*__s, char_type(0)); ++__s) + ++__len; + return __len; +} + +inline _LIBCPP_CONSTEXPR_AFTER_CXX14 +const char16_t* +char_traits<char16_t>::find(const char_type* __s, size_t __n, const char_type& __a) _NOEXCEPT +{ + for (; __n; --__n) + { + if (eq(*__s, __a)) + return __s; + ++__s; + } + return 0; +} + +inline +char16_t* +char_traits<char16_t>::move(char_type* __s1, const char_type* __s2, size_t __n) _NOEXCEPT +{ + char_type* __r = __s1; + if (__s1 < __s2) + { + for (; __n; --__n, ++__s1, ++__s2) + assign(*__s1, *__s2); + } + else if (__s2 < __s1) + { + __s1 += __n; + __s2 += __n; + for (; __n; --__n) + assign(*--__s1, *--__s2); + } + return __r; +} + +inline +char16_t* +char_traits<char16_t>::copy(char_type* __s1, const char_type* __s2, size_t __n) _NOEXCEPT +{ + _LIBCPP_ASSERT(__s2 < __s1 || __s2 >= __s1+__n, "char_traits::copy overlapped range"); + char_type* __r = __s1; + for (; __n; --__n, ++__s1, ++__s2) + assign(*__s1, *__s2); + return __r; +} + +inline +char16_t* +char_traits<char16_t>::assign(char_type* __s, size_t __n, char_type __a) _NOEXCEPT +{ + char_type* __r = __s; + for (; __n; --__n, ++__s) + assign(*__s, __a); + return __r; +} + +template <> +struct _LIBCPP_TEMPLATE_VIS char_traits<char32_t> +{ + typedef char32_t char_type; + typedef uint_least32_t int_type; + typedef streamoff off_type; + typedef u32streampos pos_type; + typedef mbstate_t state_type; + + static inline _LIBCPP_CONSTEXPR_AFTER_CXX14 + void assign(char_type& __c1, const char_type& __c2) _NOEXCEPT {__c1 = __c2;} + static inline _LIBCPP_CONSTEXPR bool eq(char_type __c1, char_type __c2) _NOEXCEPT + {return __c1 == __c2;} + static inline _LIBCPP_CONSTEXPR bool lt(char_type __c1, char_type __c2) _NOEXCEPT + {return __c1 < __c2;} + + _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR_AFTER_CXX14 + int compare(const char_type* __s1, const char_type* __s2, size_t __n) _NOEXCEPT; + _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR_AFTER_CXX14 + size_t length(const char_type* __s) _NOEXCEPT; + _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR_AFTER_CXX14 + const char_type* find(const char_type* __s, size_t __n, const char_type& __a) _NOEXCEPT; + _LIBCPP_INLINE_VISIBILITY + static char_type* move(char_type* __s1, const char_type* __s2, size_t __n) _NOEXCEPT; + _LIBCPP_INLINE_VISIBILITY + static char_type* copy(char_type* __s1, const char_type* __s2, size_t __n) _NOEXCEPT; + _LIBCPP_INLINE_VISIBILITY + static char_type* assign(char_type* __s, size_t __n, char_type __a) _NOEXCEPT; + + static inline _LIBCPP_CONSTEXPR int_type not_eof(int_type __c) _NOEXCEPT + {return eq_int_type(__c, eof()) ? ~eof() : __c;} + static inline _LIBCPP_CONSTEXPR char_type to_char_type(int_type __c) _NOEXCEPT + {return char_type(__c);} + static inline _LIBCPP_CONSTEXPR int_type to_int_type(char_type __c) _NOEXCEPT + {return int_type(__c);} + static inline _LIBCPP_CONSTEXPR bool eq_int_type(int_type __c1, int_type __c2) _NOEXCEPT + {return __c1 == __c2;} + static inline _LIBCPP_CONSTEXPR int_type eof() _NOEXCEPT + {return int_type(0xFFFFFFFF);} +}; + +inline _LIBCPP_CONSTEXPR_AFTER_CXX14 +int +char_traits<char32_t>::compare(const char_type* __s1, const char_type* __s2, size_t __n) _NOEXCEPT +{ + for (; __n; --__n, ++__s1, ++__s2) + { + if (lt(*__s1, *__s2)) + return -1; + if (lt(*__s2, *__s1)) + return 1; + } + return 0; +} + +inline _LIBCPP_CONSTEXPR_AFTER_CXX14 +size_t +char_traits<char32_t>::length(const char_type* __s) _NOEXCEPT +{ + size_t __len = 0; + for (; !eq(*__s, char_type(0)); ++__s) + ++__len; + return __len; +} + +inline _LIBCPP_CONSTEXPR_AFTER_CXX14 +const char32_t* +char_traits<char32_t>::find(const char_type* __s, size_t __n, const char_type& __a) _NOEXCEPT +{ + for (; __n; --__n) + { + if (eq(*__s, __a)) + return __s; + ++__s; + } + return 0; +} + +inline +char32_t* +char_traits<char32_t>::move(char_type* __s1, const char_type* __s2, size_t __n) _NOEXCEPT +{ + char_type* __r = __s1; + if (__s1 < __s2) + { + for (; __n; --__n, ++__s1, ++__s2) + assign(*__s1, *__s2); + } + else if (__s2 < __s1) + { + __s1 += __n; + __s2 += __n; + for (; __n; --__n) + assign(*--__s1, *--__s2); + } + return __r; +} + +inline +char32_t* +char_traits<char32_t>::copy(char_type* __s1, const char_type* __s2, size_t __n) _NOEXCEPT +{ + _LIBCPP_ASSERT(__s2 < __s1 || __s2 >= __s1+__n, "char_traits::copy overlapped range"); + char_type* __r = __s1; + for (; __n; --__n, ++__s1, ++__s2) + assign(*__s1, *__s2); + return __r; +} + +inline +char32_t* +char_traits<char32_t>::assign(char_type* __s, size_t __n, char_type __a) _NOEXCEPT +{ + char_type* __r = __s; + for (; __n; --__n, ++__s) + assign(*__s, __a); + return __r; +} + +#endif // _LIBCPP_HAS_NO_UNICODE_CHARS + +// helper fns for basic_string and string_view + +// __str_find +template<class _CharT, class _SizeT, class _Traits, _SizeT __npos> +inline _SizeT _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY +__str_find(const _CharT *__p, _SizeT __sz, + _CharT __c, _SizeT __pos) _NOEXCEPT +{ + if (__pos >= __sz) + return __npos; + const _CharT* __r = _Traits::find(__p + __pos, __sz - __pos, __c); + if (__r == 0) + return __npos; + return static_cast<_SizeT>(__r - __p); +} + +template <class _CharT, class _Traits> +inline _LIBCPP_CONSTEXPR_AFTER_CXX11 const _CharT * +__search_substring(const _CharT *__first1, const _CharT *__last1, + const _CharT *__first2, const _CharT *__last2) { + // Take advantage of knowing source and pattern lengths. + // Stop short when source is smaller than pattern. + const ptrdiff_t __len2 = __last2 - __first2; + if (__len2 == 0) + return __first1; + + ptrdiff_t __len1 = __last1 - __first1; + if (__len1 < __len2) + return __last1; + + // First element of __first2 is loop invariant. + _CharT __f2 = *__first2; + while (true) { + __len1 = __last1 - __first1; + // Check whether __first1 still has at least __len2 bytes. + if (__len1 < __len2) + return __last1; + + // Find __f2 the first byte matching in __first1. + __first1 = _Traits::find(__first1, __len1 - __len2 + 1, __f2); + if (__first1 == 0) + return __last1; + + // It is faster to compare from the first byte of __first1 even if we + // already know that it matches the first byte of __first2: this is because + // __first2 is most likely aligned, as it is user's "pattern" string, and + // __first1 + 1 is most likely not aligned, as the match is in the middle of + // the string. + if (_Traits::compare(__first1, __first2, __len2) == 0) + return __first1; + + ++__first1; + } +} + +template<class _CharT, class _SizeT, class _Traits, _SizeT __npos> +inline _SizeT _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY +__str_find(const _CharT *__p, _SizeT __sz, + const _CharT* __s, _SizeT __pos, _SizeT __n) _NOEXCEPT +{ + if (__pos > __sz) + return __npos; + + if (__n == 0) // There is nothing to search, just return __pos. + return __pos; + + const _CharT *__r = __search_substring<_CharT, _Traits>( + __p + __pos, __p + __sz, __s, __s + __n); + + if (__r == __p + __sz) + return __npos; + return static_cast<_SizeT>(__r - __p); +} + + +// __str_rfind + +template<class _CharT, class _SizeT, class _Traits, _SizeT __npos> +inline _SizeT _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY +__str_rfind(const _CharT *__p, _SizeT __sz, + _CharT __c, _SizeT __pos) _NOEXCEPT +{ + if (__sz < 1) + return __npos; + if (__pos < __sz) + ++__pos; + else + __pos = __sz; + for (const _CharT* __ps = __p + __pos; __ps != __p;) + { + if (_Traits::eq(*--__ps, __c)) + return static_cast<_SizeT>(__ps - __p); + } + return __npos; +} + +template<class _CharT, class _SizeT, class _Traits, _SizeT __npos> +inline _SizeT _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY +__str_rfind(const _CharT *__p, _SizeT __sz, + const _CharT* __s, _SizeT __pos, _SizeT __n) _NOEXCEPT +{ + __pos = _VSTD::min(__pos, __sz); + if (__n < __sz - __pos) + __pos += __n; + else + __pos = __sz; + const _CharT* __r = _VSTD::__find_end( + __p, __p + __pos, __s, __s + __n, _Traits::eq, + random_access_iterator_tag(), random_access_iterator_tag()); + if (__n > 0 && __r == __p + __pos) + return __npos; + return static_cast<_SizeT>(__r - __p); +} + +// __str_find_first_of +template<class _CharT, class _SizeT, class _Traits, _SizeT __npos> +inline _SizeT _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY +__str_find_first_of(const _CharT *__p, _SizeT __sz, + const _CharT* __s, _SizeT __pos, _SizeT __n) _NOEXCEPT +{ + if (__pos >= __sz || __n == 0) + return __npos; + const _CharT* __r = _VSTD::__find_first_of_ce + (__p + __pos, __p + __sz, __s, __s + __n, _Traits::eq ); + if (__r == __p + __sz) + return __npos; + return static_cast<_SizeT>(__r - __p); +} + + +// __str_find_last_of +template<class _CharT, class _SizeT, class _Traits, _SizeT __npos> +inline _SizeT _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY +__str_find_last_of(const _CharT *__p, _SizeT __sz, + const _CharT* __s, _SizeT __pos, _SizeT __n) _NOEXCEPT + { + if (__n != 0) + { + if (__pos < __sz) + ++__pos; + else + __pos = __sz; + for (const _CharT* __ps = __p + __pos; __ps != __p;) + { + const _CharT* __r = _Traits::find(__s, __n, *--__ps); + if (__r) + return static_cast<_SizeT>(__ps - __p); + } + } + return __npos; +} + + +// __str_find_first_not_of +template<class _CharT, class _SizeT, class _Traits, _SizeT __npos> +inline _SizeT _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY +__str_find_first_not_of(const _CharT *__p, _SizeT __sz, + const _CharT* __s, _SizeT __pos, _SizeT __n) _NOEXCEPT +{ + if (__pos < __sz) + { + const _CharT* __pe = __p + __sz; + for (const _CharT* __ps = __p + __pos; __ps != __pe; ++__ps) + if (_Traits::find(__s, __n, *__ps) == 0) + return static_cast<_SizeT>(__ps - __p); + } + return __npos; +} + + +template<class _CharT, class _SizeT, class _Traits, _SizeT __npos> +inline _SizeT _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY +__str_find_first_not_of(const _CharT *__p, _SizeT __sz, + _CharT __c, _SizeT __pos) _NOEXCEPT +{ + if (__pos < __sz) + { + const _CharT* __pe = __p + __sz; + for (const _CharT* __ps = __p + __pos; __ps != __pe; ++__ps) + if (!_Traits::eq(*__ps, __c)) + return static_cast<_SizeT>(__ps - __p); + } + return __npos; +} + + +// __str_find_last_not_of +template<class _CharT, class _SizeT, class _Traits, _SizeT __npos> +inline _SizeT _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY +__str_find_last_not_of(const _CharT *__p, _SizeT __sz, + const _CharT* __s, _SizeT __pos, _SizeT __n) _NOEXCEPT +{ + if (__pos < __sz) + ++__pos; + else + __pos = __sz; + for (const _CharT* __ps = __p + __pos; __ps != __p;) + if (_Traits::find(__s, __n, *--__ps) == 0) + return static_cast<_SizeT>(__ps - __p); + return __npos; +} + + +template<class _CharT, class _SizeT, class _Traits, _SizeT __npos> +inline _SizeT _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY +__str_find_last_not_of(const _CharT *__p, _SizeT __sz, + _CharT __c, _SizeT __pos) _NOEXCEPT +{ + if (__pos < __sz) + ++__pos; + else + __pos = __sz; + for (const _CharT* __ps = __p + __pos; __ps != __p;) + if (!_Traits::eq(*--__ps, __c)) + return static_cast<_SizeT>(__ps - __p); + return __npos; +} + +template<class _Ptr> +inline _LIBCPP_INLINE_VISIBILITY +size_t __do_string_hash(_Ptr __p, _Ptr __e) +{ + typedef typename iterator_traits<_Ptr>::value_type value_type; + return __murmur2_or_cityhash<size_t>()(__p, (__e-__p)*sizeof(value_type)); +} + +template <class _CharT, class _Iter, class _Traits=char_traits<_CharT> > +struct __quoted_output_proxy +{ + _Iter __first; + _Iter __last; + _CharT __delim; + _CharT __escape; + + __quoted_output_proxy(_Iter __f, _Iter __l, _CharT __d, _CharT __e) + : __first(__f), __last(__l), __delim(__d), __escape(__e) {} + // This would be a nice place for a string_ref +}; + +_LIBCPP_END_NAMESPACE_STD + +_LIBCPP_POP_MACROS + +#endif // _LIBCPP___STRING |