/usr/include/c++/v1/string_view is in libc++-dev 6.0-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 | // -*- C++ -*-
//===------------------------ string_view ---------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_STRING_VIEW
#define _LIBCPP_STRING_VIEW
/*
string_view synopsis
namespace std {
// 7.2, Class template basic_string_view
template<class charT, class traits = char_traits<charT>>
class basic_string_view;
// 7.9, basic_string_view non-member comparison functions
template<class charT, class traits>
constexpr bool operator==(basic_string_view<charT, traits> x,
basic_string_view<charT, traits> y) noexcept;
template<class charT, class traits>
constexpr bool operator!=(basic_string_view<charT, traits> x,
basic_string_view<charT, traits> y) noexcept;
template<class charT, class traits>
constexpr bool operator< (basic_string_view<charT, traits> x,
basic_string_view<charT, traits> y) noexcept;
template<class charT, class traits>
constexpr bool operator> (basic_string_view<charT, traits> x,
basic_string_view<charT, traits> y) noexcept;
template<class charT, class traits>
constexpr bool operator<=(basic_string_view<charT, traits> x,
basic_string_view<charT, traits> y) noexcept;
template<class charT, class traits>
constexpr bool operator>=(basic_string_view<charT, traits> x,
basic_string_view<charT, traits> y) noexcept;
// see below, sufficient additional overloads of comparison functions
// 7.10, Inserters and extractors
template<class charT, class traits>
basic_ostream<charT, traits>&
operator<<(basic_ostream<charT, traits>& os,
basic_string_view<charT, traits> str);
// basic_string_view typedef names
typedef basic_string_view<char> string_view;
typedef basic_string_view<char16_t> u16string_view;
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>
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 remove_prefix(size_type n);
constexpr void remove_suffix(size_type n);
constexpr void swap(basic_string_view& s) noexcept;
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;
constexpr bool starts_with(basic_string_view s) const noexcept; // C++2a
constexpr bool starts_with(charT c) const noexcept; // C++2a
constexpr bool starts_with(const charT* s) const; // C++2a
constexpr bool ends_with(basic_string_view s) const noexcept; // C++2a
constexpr bool ends_with(charT c) const noexcept; // C++2a
constexpr bool ends_with(const charT* s) const; // C++2a
private:
const_pointer data_; // exposition only
size_type size_; // exposition only
};
// 7.11, Hash support
template <class T> struct hash;
template <> struct hash<string_view>;
template <> struct hash<u16string_view>;
template <> struct hash<u32string_view>;
template <> struct hash<wstring_view>;
constexpr basic_string_view<char> operator "" sv( const char *str, size_t len ) noexcept;
constexpr basic_string_view<wchar_t> operator "" sv( const wchar_t *str, size_t len ) noexcept;
constexpr basic_string_view<char16_t> operator "" sv( const char16_t *str, size_t len ) noexcept;
constexpr basic_string_view<char32_t> operator "" sv( const char32_t *str, size_t len ) noexcept;
} // namespace std
*/
#include <__config>
#include <__string>
#include <algorithm>
#include <iterator>
#include <limits>
#include <stdexcept>
#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
template<class _CharT, class _Traits = char_traits<_CharT> >
class _LIBCPP_TEMPLATE_VIS 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 const_pointer const_iterator; // See [string.view.iterators]
typedef const_iterator iterator;
typedef _VSTD::reverse_iterator<const_iterator> const_reverse_iterator;
typedef const_reverse_iterator reverse_iterator;
typedef size_t size_type;
typedef ptrdiff_t difference_type;
static _LIBCPP_CONSTEXPR const size_type npos = -1; // size_type(-1);
static_assert(is_pod<value_type>::value, "Character type of basic_string_view must be a POD");
static_assert((is_same<_CharT, typename traits_type::char_type>::value),
"traits_type::char_type must be the same type as CharT");
// [string.view.cons], construct/copy
_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY
basic_string_view() _NOEXCEPT : __data (nullptr), __size(0) {}
_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY
basic_string_view(const basic_string_view&) _NOEXCEPT = default;
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
basic_string_view& operator=(const basic_string_view&) _NOEXCEPT = default;
_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY
basic_string_view(const _CharT* __s, size_type __len) _NOEXCEPT
: __data(__s), __size(__len)
{
// #if _LIBCPP_STD_VER > 11
// _LIBCPP_ASSERT(__len == 0 || __s != nullptr, "string_view::string_view(_CharT *, size_t): received nullptr");
// #endif
}
_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY
basic_string_view(const _CharT* __s)
: __data(__s), __size(_Traits::length(__s)) {}
// [string.view.iterators], iterators
_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY
const_iterator begin() const _NOEXCEPT { return cbegin(); }
_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY
const_iterator end() const _NOEXCEPT { return cend(); }
_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY
const_iterator cbegin() const _NOEXCEPT { return __data; }
_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY
const_iterator cend() const _NOEXCEPT { return __data + __size; }
_LIBCPP_CONSTEXPR_AFTER_CXX14 _LIBCPP_INLINE_VISIBILITY
const_reverse_iterator rbegin() const _NOEXCEPT { return const_reverse_iterator(cend()); }
_LIBCPP_CONSTEXPR_AFTER_CXX14 _LIBCPP_INLINE_VISIBILITY
const_reverse_iterator rend() const _NOEXCEPT { return const_reverse_iterator(cbegin()); }
_LIBCPP_CONSTEXPR_AFTER_CXX14 _LIBCPP_INLINE_VISIBILITY
const_reverse_iterator crbegin() const _NOEXCEPT { return const_reverse_iterator(cend()); }
_LIBCPP_CONSTEXPR_AFTER_CXX14 _LIBCPP_INLINE_VISIBILITY
const_reverse_iterator crend() const _NOEXCEPT { return const_reverse_iterator(cbegin()); }
// [string.view.capacity], capacity
_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY
size_type size() const _NOEXCEPT { return __size; }
_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY
size_type length() const _NOEXCEPT { return __size; }
_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY
size_type max_size() const _NOEXCEPT { return numeric_limits<size_type>::max(); }
_LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
bool empty() const _NOEXCEPT { return __size == 0; }
// [string.view.access], element access
_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY
const_reference operator[](size_type __pos) const _NOEXCEPT { return __data[__pos]; }
_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY
const_reference at(size_type __pos) const
{
return __pos >= size()
? (__throw_out_of_range("string_view::at"), __data[0])
: __data[__pos];
}
_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY
const_reference front() const
{
return _LIBCPP_ASSERT(!empty(), "string_view::front(): string is empty"), __data[0];
}
_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY
const_reference back() const
{
return _LIBCPP_ASSERT(!empty(), "string_view::back(): string is empty"), __data[__size-1];
}
_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY
const_pointer data() const _NOEXCEPT { return __data; }
// [string.view.modifiers], modifiers:
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
void remove_prefix(size_type __n) _NOEXCEPT
{
_LIBCPP_ASSERT(__n <= size(), "remove_prefix() can't remove more than size()");
__data += __n;
__size -= __n;
}
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
void remove_suffix(size_type __n) _NOEXCEPT
{
_LIBCPP_ASSERT(__n <= size(), "remove_suffix() can't remove more than size()");
__size -= __n;
}
_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;
}
_LIBCPP_INLINE_VISIBILITY
size_type copy(_CharT* __s, size_type __n, size_type __pos = 0) const
{
if (__pos > size())
__throw_out_of_range("string_view::copy");
size_type __rlen = _VSTD::min(__n, size() - __pos);
_Traits::copy(__s, data() + __pos, __rlen);
return __rlen;
}
_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY
basic_string_view substr(size_type __pos = 0, size_type __n = npos) const
{
return __pos > size()
? (__throw_out_of_range("string_view::substr"), basic_string_view())
: basic_string_view(data() + __pos, _VSTD::min(__n, size() - __pos));
}
_LIBCPP_CONSTEXPR_AFTER_CXX11 int compare(basic_string_view __sv) const _NOEXCEPT
{
size_type __rlen = _VSTD::min( size(), __sv.size());
int __retval = _Traits::compare(data(), __sv.data(), __rlen);
if ( __retval == 0 ) // first __rlen chars matched
__retval = size() == __sv.size() ? 0 : ( size() < __sv.size() ? -1 : 1 );
return __retval;
}
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
int compare(size_type __pos1, size_type __n1, basic_string_view __sv) const
{
return substr(__pos1, __n1).compare(__sv);
}
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
int compare( size_type __pos1, size_type __n1,
basic_string_view __sv, size_type __pos2, size_type __n2) const
{
return substr(__pos1, __n1).compare(__sv.substr(__pos2, __n2));
}
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
int compare(const _CharT* __s) const _NOEXCEPT
{
return compare(basic_string_view(__s));
}
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
int compare(size_type __pos1, size_type __n1, const _CharT* __s) const
{
return substr(__pos1, __n1).compare(basic_string_view(__s));
}
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
int compare(size_type __pos1, size_type __n1, const _CharT* __s, size_type __n2) const
{
return substr(__pos1, __n1).compare(basic_string_view(__s, __n2));
}
// find
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
size_type find(basic_string_view __s, size_type __pos = 0) const _NOEXCEPT
{
_LIBCPP_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find(): received nullptr");
return __str_find<value_type, size_type, traits_type, npos>
(data(), size(), __s.data(), __pos, __s.size());
}
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
size_type find(_CharT __c, size_type __pos = 0) const _NOEXCEPT
{
return __str_find<value_type, size_type, traits_type, npos>
(data(), size(), __c, __pos);
}
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
size_type find(const _CharT* __s, size_type __pos, size_type __n) const
{
_LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::find(): received nullptr");
return __str_find<value_type, size_type, traits_type, npos>
(data(), size(), __s, __pos, __n);
}
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
size_type find(const _CharT* __s, size_type __pos = 0) const
{
_LIBCPP_ASSERT(__s != nullptr, "string_view::find(): received nullptr");
return __str_find<value_type, size_type, traits_type, npos>
(data(), size(), __s, __pos, traits_type::length(__s));
}
// rfind
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
size_type rfind(basic_string_view __s, size_type __pos = npos) const _NOEXCEPT
{
_LIBCPP_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find(): received nullptr");
return __str_rfind<value_type, size_type, traits_type, npos>
(data(), size(), __s.data(), __pos, __s.size());
}
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
size_type rfind(_CharT __c, size_type __pos = npos) const _NOEXCEPT
{
return __str_rfind<value_type, size_type, traits_type, npos>
(data(), size(), __c, __pos);
}
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
size_type rfind(const _CharT* __s, size_type __pos, size_type __n) const
{
_LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::rfind(): received nullptr");
return __str_rfind<value_type, size_type, traits_type, npos>
(data(), size(), __s, __pos, __n);
}
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
size_type rfind(const _CharT* __s, size_type __pos=npos) const
{
_LIBCPP_ASSERT(__s != nullptr, "string_view::rfind(): received nullptr");
return __str_rfind<value_type, size_type, traits_type, npos>
(data(), size(), __s, __pos, traits_type::length(__s));
}
// find_first_of
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
size_type find_first_of(basic_string_view __s, size_type __pos = 0) const _NOEXCEPT
{
_LIBCPP_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find_first_of(): received nullptr");
return __str_find_first_of<value_type, size_type, traits_type, npos>
(data(), size(), __s.data(), __pos, __s.size());
}
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
size_type find_first_of(_CharT __c, size_type __pos = 0) const _NOEXCEPT
{ return find(__c, __pos); }
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
size_type find_first_of(const _CharT* __s, size_type __pos, size_type __n) const
{
_LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::find_first_of(): received nullptr");
return __str_find_first_of<value_type, size_type, traits_type, npos>
(data(), size(), __s, __pos, __n);
}
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
size_type find_first_of(const _CharT* __s, size_type __pos=0) const
{
_LIBCPP_ASSERT(__s != nullptr, "string_view::find_first_of(): received nullptr");
return __str_find_first_of<value_type, size_type, traits_type, npos>
(data(), size(), __s, __pos, traits_type::length(__s));
}
// find_last_of
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
size_type find_last_of(basic_string_view __s, size_type __pos=npos) const _NOEXCEPT
{
_LIBCPP_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find_last_of(): received nullptr");
return __str_find_last_of<value_type, size_type, traits_type, npos>
(data(), size(), __s.data(), __pos, __s.size());
}
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
size_type find_last_of(_CharT __c, size_type __pos = npos) const _NOEXCEPT
{ return rfind(__c, __pos); }
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
size_type find_last_of(const _CharT* __s, size_type __pos, size_type __n) const
{
_LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::find_last_of(): received nullptr");
return __str_find_last_of<value_type, size_type, traits_type, npos>
(data(), size(), __s, __pos, __n);
}
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
size_type find_last_of(const _CharT* __s, size_type __pos=npos) const
{
_LIBCPP_ASSERT(__s != nullptr, "string_view::find_last_of(): received nullptr");
return __str_find_last_of<value_type, size_type, traits_type, npos>
(data(), size(), __s, __pos, traits_type::length(__s));
}
// find_first_not_of
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
size_type find_first_not_of(basic_string_view __s, size_type __pos=0) const _NOEXCEPT
{
_LIBCPP_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find_first_not_of(): received nullptr");
return __str_find_first_not_of<value_type, size_type, traits_type, npos>
(data(), size(), __s.data(), __pos, __s.size());
}
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
size_type find_first_not_of(_CharT __c, size_type __pos=0) const _NOEXCEPT
{
return __str_find_first_not_of<value_type, size_type, traits_type, npos>
(data(), size(), __c, __pos);
}
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
size_type find_first_not_of(const _CharT* __s, size_type __pos, size_type __n) const
{
_LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::find_first_not_of(): received nullptr");
return __str_find_first_not_of<value_type, size_type, traits_type, npos>
(data(), size(), __s, __pos, __n);
}
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
size_type find_first_not_of(const _CharT* __s, size_type __pos=0) const
{
_LIBCPP_ASSERT(__s != nullptr, "string_view::find_first_not_of(): received nullptr");
return __str_find_first_not_of<value_type, size_type, traits_type, npos>
(data(), size(), __s, __pos, traits_type::length(__s));
}
// find_last_not_of
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
size_type find_last_not_of(basic_string_view __s, size_type __pos=npos) const _NOEXCEPT
{
_LIBCPP_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find_last_not_of(): received nullptr");
return __str_find_last_not_of<value_type, size_type, traits_type, npos>
(data(), size(), __s.data(), __pos, __s.size());
}
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
size_type find_last_not_of(_CharT __c, size_type __pos=npos) const _NOEXCEPT
{
return __str_find_last_not_of<value_type, size_type, traits_type, npos>
(data(), size(), __c, __pos);
}
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
size_type find_last_not_of(const _CharT* __s, size_type __pos, size_type __n) const
{
_LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::find_last_not_of(): received nullptr");
return __str_find_last_not_of<value_type, size_type, traits_type, npos>
(data(), size(), __s, __pos, __n);
}
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
size_type find_last_not_of(const _CharT* __s, size_type __pos=npos) const
{
_LIBCPP_ASSERT(__s != nullptr, "string_view::find_last_not_of(): received nullptr");
return __str_find_last_not_of<value_type, size_type, traits_type, npos>
(data(), size(), __s, __pos, traits_type::length(__s));
}
#if _LIBCPP_STD_VER > 17
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
bool starts_with(basic_string_view __s) const _NOEXCEPT
{ return size() >= __s.size() && compare(0, __s.size(), __s) == 0; }
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
bool starts_with(value_type __c) const _NOEXCEPT
{ return !empty() && _Traits::eq(front(), __c); }
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
bool starts_with(const value_type* __s) const _NOEXCEPT
{ return starts_with(basic_string_view(__s)); }
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
bool ends_with(basic_string_view __s) const _NOEXCEPT
{ return size() >= __s.size() && compare(size() - __s.size(), npos, __s) == 0; }
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
bool ends_with(value_type __c) const _NOEXCEPT
{ return !empty() && _Traits::eq(back(), __c); }
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
bool ends_with(const value_type* __s) const _NOEXCEPT
{ return ends_with(basic_string_view(__s)); }
#endif
private:
const value_type* __data;
size_type __size;
};
// [string.view.comparison]
// operator ==
template<class _CharT, class _Traits>
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
bool operator==(basic_string_view<_CharT, _Traits> __lhs,
basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT
{
if ( __lhs.size() != __rhs.size()) return false;
return __lhs.compare(__rhs) == 0;
}
template<class _CharT, class _Traits>
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
bool operator==(basic_string_view<_CharT, _Traits> __lhs,
typename common_type<basic_string_view<_CharT, _Traits> >::type __rhs) _NOEXCEPT
{
if ( __lhs.size() != __rhs.size()) return false;
return __lhs.compare(__rhs) == 0;
}
template<class _CharT, class _Traits>
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
bool operator==(typename common_type<basic_string_view<_CharT, _Traits> >::type __lhs,
basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT
{
if ( __lhs.size() != __rhs.size()) return false;
return __lhs.compare(__rhs) == 0;
}
// operator !=
template<class _CharT, class _Traits>
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
bool operator!=(basic_string_view<_CharT, _Traits> __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT
{
if ( __lhs.size() != __rhs.size())
return true;
return __lhs.compare(__rhs) != 0;
}
template<class _CharT, class _Traits>
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
bool operator!=(basic_string_view<_CharT, _Traits> __lhs,
typename common_type<basic_string_view<_CharT, _Traits> >::type __rhs) _NOEXCEPT
{
if ( __lhs.size() != __rhs.size())
return true;
return __lhs.compare(__rhs) != 0;
}
template<class _CharT, class _Traits>
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
bool operator!=(typename common_type<basic_string_view<_CharT, _Traits> >::type __lhs,
basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT
{
if ( __lhs.size() != __rhs.size())
return true;
return __lhs.compare(__rhs) != 0;
}
// operator <
template<class _CharT, class _Traits>
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
bool operator<(basic_string_view<_CharT, _Traits> __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT
{
return __lhs.compare(__rhs) < 0;
}
template<class _CharT, class _Traits>
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
bool operator<(basic_string_view<_CharT, _Traits> __lhs,
typename common_type<basic_string_view<_CharT, _Traits> >::type __rhs) _NOEXCEPT
{
return __lhs.compare(__rhs) < 0;
}
template<class _CharT, class _Traits>
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
bool operator<(typename common_type<basic_string_view<_CharT, _Traits> >::type __lhs,
basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT
{
return __lhs.compare(__rhs) < 0;
}
// operator >
template<class _CharT, class _Traits>
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
bool operator> (basic_string_view<_CharT, _Traits> __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT
{
return __lhs.compare(__rhs) > 0;
}
template<class _CharT, class _Traits>
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
bool operator>(basic_string_view<_CharT, _Traits> __lhs,
typename common_type<basic_string_view<_CharT, _Traits> >::type __rhs) _NOEXCEPT
{
return __lhs.compare(__rhs) > 0;
}
template<class _CharT, class _Traits>
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
bool operator>(typename common_type<basic_string_view<_CharT, _Traits> >::type __lhs,
basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT
{
return __lhs.compare(__rhs) > 0;
}
// operator <=
template<class _CharT, class _Traits>
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
bool operator<=(basic_string_view<_CharT, _Traits> __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT
{
return __lhs.compare(__rhs) <= 0;
}
template<class _CharT, class _Traits>
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
bool operator<=(basic_string_view<_CharT, _Traits> __lhs,
typename common_type<basic_string_view<_CharT, _Traits> >::type __rhs) _NOEXCEPT
{
return __lhs.compare(__rhs) <= 0;
}
template<class _CharT, class _Traits>
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
bool operator<=(typename common_type<basic_string_view<_CharT, _Traits> >::type __lhs,
basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT
{
return __lhs.compare(__rhs) <= 0;
}
// operator >=
template<class _CharT, class _Traits>
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
bool operator>=(basic_string_view<_CharT, _Traits> __lhs, basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT
{
return __lhs.compare(__rhs) >= 0;
}
template<class _CharT, class _Traits>
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
bool operator>=(basic_string_view<_CharT, _Traits> __lhs,
typename common_type<basic_string_view<_CharT, _Traits> >::type __rhs) _NOEXCEPT
{
return __lhs.compare(__rhs) >= 0;
}
template<class _CharT, class _Traits>
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
bool operator>=(typename common_type<basic_string_view<_CharT, _Traits> >::type __lhs,
basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT
{
return __lhs.compare(__rhs) >= 0;
}
typedef basic_string_view<char> string_view;
typedef basic_string_view<char16_t> u16string_view;
typedef basic_string_view<char32_t> u32string_view;
typedef basic_string_view<wchar_t> wstring_view;
// [string.view.hash]
template<class _CharT, class _Traits>
struct _LIBCPP_TEMPLATE_VIS hash<basic_string_view<_CharT, _Traits> >
: public unary_function<basic_string_view<_CharT, _Traits>, size_t>
{
size_t operator()(const basic_string_view<_CharT, _Traits> __val) const _NOEXCEPT;
};
template<class _CharT, class _Traits>
size_t
hash<basic_string_view<_CharT, _Traits> >::operator()(
const basic_string_view<_CharT, _Traits> __val) const _NOEXCEPT
{
return __do_string_hash(__val.data(), __val.data() + __val.size());
}
#if _LIBCPP_STD_VER > 11
inline namespace literals
{
inline namespace string_view_literals
{
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
basic_string_view<char> operator "" sv(const char *__str, size_t __len) _NOEXCEPT
{
return basic_string_view<char> (__str, __len);
}
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
basic_string_view<wchar_t> operator "" sv(const wchar_t *__str, size_t __len) _NOEXCEPT
{
return basic_string_view<wchar_t> (__str, __len);
}
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
basic_string_view<char16_t> operator "" sv(const char16_t *__str, size_t __len) _NOEXCEPT
{
return basic_string_view<char16_t> (__str, __len);
}
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
basic_string_view<char32_t> operator "" sv(const char32_t *__str, size_t __len) _NOEXCEPT
{
return basic_string_view<char32_t> (__str, __len);
}
}
}
#endif
_LIBCPP_END_NAMESPACE_STD
_LIBCPP_POP_MACROS
#endif // _LIBCPP_STRING_VIEW
|