1 // Versatile string -*- C++ -*-
3 // Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010
4 // Free Software Foundation, Inc.
6 // This file is part of the GNU ISO C++ Library. This library is free
7 // software; you can redistribute it and/or modify it under the
8 // terms of the GNU General Public License as published by the
9 // Free Software Foundation; either version 3, or (at your option)
12 // This library is distributed in the hope that it will be useful,
13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 // GNU General Public License for more details.
17 // Under Section 7 of GPL version 3, you are granted additional
18 // permissions described in the GCC Runtime Library Exception, version
19 // 3.1, as published by the Free Software Foundation.
21 // You should have received a copy of the GNU General Public License and
22 // a copy of the GCC Runtime Library Exception along with this program;
23 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
24 // <http://www.gnu.org/licenses/>.
26 /** @file ext/vstring.h
27 * This file is a GNU extension to the Standard C++ Library.
33 #pragma GCC system_header
35 #include <initializer_list>
36 #include <ext/vstring_util.h>
37 #include <ext/rc_string_base.h>
38 #include <ext/sso_string_base.h>
40 _GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
43 * @class __versa_string vstring.h
44 * @brief Managing sequences of characters and character-like objects.
47 // Template class __versa_string
48 template<typename _CharT, typename _Traits, typename _Alloc,
49 template <typename, typename, typename> class _Base>
51 : private _Base<_CharT, _Traits, _Alloc>
53 typedef _Base<_CharT, _Traits, _Alloc> __vstring_base;
54 typedef typename __vstring_base::_CharT_alloc_type _CharT_alloc_type;
58 typedef _Traits traits_type;
59 typedef typename _Traits::char_type value_type;
60 typedef _Alloc allocator_type;
61 typedef typename _CharT_alloc_type::size_type size_type;
62 typedef typename _CharT_alloc_type::difference_type difference_type;
63 typedef typename _CharT_alloc_type::reference reference;
64 typedef typename _CharT_alloc_type::const_reference const_reference;
65 typedef typename _CharT_alloc_type::pointer pointer;
66 typedef typename _CharT_alloc_type::const_pointer const_pointer;
67 typedef __gnu_cxx::__normal_iterator<pointer, __versa_string> iterator;
68 typedef __gnu_cxx::__normal_iterator<const_pointer, __versa_string>
70 typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
71 typedef std::reverse_iterator<iterator> reverse_iterator;
73 // Data Member (public):
74 /// Value returned by various member functions when they fail.
75 static const size_type npos = static_cast<size_type>(-1);
79 _M_check(size_type __pos, const char* __s) const
81 if (__pos > this->size())
82 std::__throw_out_of_range(__N(__s));
87 _M_check_length(size_type __n1, size_type __n2, const char* __s) const
89 if (this->max_size() - (this->size() - __n1) < __n2)
90 std::__throw_length_error(__N(__s));
93 // NB: _M_limit doesn't check for a bad __pos value.
95 _M_limit(size_type __pos, size_type __off) const
97 const bool __testoff = __off < this->size() - __pos;
98 return __testoff ? __off : this->size() - __pos;
101 // True if _Rep and source do not overlap.
103 _M_disjunct(const _CharT* __s) const
105 return (std::less<const _CharT*>()(__s, this->_M_data())
106 || std::less<const _CharT*>()(this->_M_data()
107 + this->size(), __s));
110 // For the internal use we have functions similar to `begin'/`end'
111 // but they do not call _M_leak.
114 { return iterator(this->_M_data()); }
118 { return iterator(this->_M_data() + this->_M_length()); }
121 // Construct/copy/destroy:
122 // NB: We overload ctors in some cases instead of using default
123 // arguments, per 17.4.4.4 para. 2 item 2.
126 * @brief Default constructor creates an empty string.
129 : __vstring_base() { }
132 * @brief Construct an empty string using allocator @a a.
135 __versa_string(const _Alloc& __a)
136 : __vstring_base(__a) { }
138 // NB: per LWG issue 42, semantics different from IS:
140 * @brief Construct string with copy of value of @a str.
141 * @param __str Source string.
143 __versa_string(const __versa_string& __str)
144 : __vstring_base(__str) { }
146 #ifdef __GXX_EXPERIMENTAL_CXX0X__
148 * @brief String move constructor.
149 * @param __str Source string.
151 * The newly-constructed %string contains the exact contents of
152 * @a str. The contents of @a str are a valid, but unspecified
155 __versa_string(__versa_string&& __str)
156 : __vstring_base(std::forward<__vstring_base>(__str)) { }
159 * @brief Construct string from an initializer list.
160 * @param __l std::initializer_list of characters.
161 * @param __a Allocator to use (default is default allocator).
163 __versa_string(std::initializer_list<_CharT> __l,
164 const _Alloc& __a = _Alloc())
165 : __vstring_base(__l.begin(), __l.end(), __a) { }
169 * @brief Construct string as copy of a substring.
170 * @param __str Source string.
171 * @param __pos Index of first character to copy from.
172 * @param __n Number of characters to copy (default remainder).
174 __versa_string(const __versa_string& __str, size_type __pos,
175 size_type __n = npos)
176 : __vstring_base(__str._M_data()
177 + __str._M_check(__pos,
178 "__versa_string::__versa_string"),
179 __str._M_data() + __str._M_limit(__pos, __n)
180 + __pos, _Alloc()) { }
183 * @brief Construct string as copy of a substring.
184 * @param __str Source string.
185 * @param __pos Index of first character to copy from.
186 * @param __n Number of characters to copy.
187 * @param __a Allocator to use.
189 __versa_string(const __versa_string& __str, size_type __pos,
190 size_type __n, const _Alloc& __a)
191 : __vstring_base(__str._M_data()
192 + __str._M_check(__pos,
193 "__versa_string::__versa_string"),
194 __str._M_data() + __str._M_limit(__pos, __n)
198 * @brief Construct string initialized by a character array.
199 * @param __s Source character array.
200 * @param __n Number of characters to copy.
201 * @param __a Allocator to use (default is default allocator).
203 * NB: @a __s must have at least @a __n characters, '\\0' has no special
206 __versa_string(const _CharT* __s, size_type __n,
207 const _Alloc& __a = _Alloc())
208 : __vstring_base(__s, __s + __n, __a) { }
211 * @brief Construct string as copy of a C string.
212 * @param __s Source C string.
213 * @param __a Allocator to use (default is default allocator).
215 __versa_string(const _CharT* __s, const _Alloc& __a = _Alloc())
216 : __vstring_base(__s, __s ? __s + traits_type::length(__s) :
220 * @brief Construct string as multiple characters.
221 * @param __n Number of characters.
222 * @param __c Character to use.
223 * @param __a Allocator to use (default is default allocator).
225 __versa_string(size_type __n, _CharT __c, const _Alloc& __a = _Alloc())
226 : __vstring_base(__n, __c, __a) { }
229 * @brief Construct string as copy of a range.
230 * @param __beg Start of range.
231 * @param __end End of range.
232 * @param __a Allocator to use (default is default allocator).
234 template<class _InputIterator>
235 __versa_string(_InputIterator __beg, _InputIterator __end,
236 const _Alloc& __a = _Alloc())
237 : __vstring_base(__beg, __end, __a) { }
240 * @brief Destroy the string instance.
242 ~__versa_string() { }
245 * @brief Assign the value of @a str to this string.
246 * @param __str Source string.
249 operator=(const __versa_string& __str)
250 { return this->assign(__str); }
252 #ifdef __GXX_EXPERIMENTAL_CXX0X__
254 * @brief String move assignment operator.
255 * @param __str Source string.
257 * The contents of @a __str are moved into this string (without
258 * copying). @a __str is a valid, but unspecified string.
261 operator=(__versa_string&& __str)
269 * @brief Set value to string constructed from initializer list.
270 * @param __l std::initializer_list.
273 operator=(std::initializer_list<_CharT> __l)
275 this->assign(__l.begin(), __l.end());
281 * @brief Copy contents of @a __s into this string.
282 * @param __s Source null-terminated string.
285 operator=(const _CharT* __s)
286 { return this->assign(__s); }
289 * @brief Set value to string of length 1.
290 * @param __c Source character.
292 * Assigning to a character makes this string length 1 and
293 * (*this)[0] == @a __c.
296 operator=(_CharT __c)
298 this->assign(1, __c);
304 * Returns a read/write iterator that points to the first character in
305 * the %string. Unshares the string.
311 return iterator(this->_M_data());
315 * Returns a read-only (constant) iterator that points to the first
316 * character in the %string.
320 { return const_iterator(this->_M_data()); }
323 * Returns a read/write iterator that points one past the last
324 * character in the %string. Unshares the string.
330 return iterator(this->_M_data() + this->size());
334 * Returns a read-only (constant) iterator that points one past the
335 * last character in the %string.
339 { return const_iterator(this->_M_data() + this->size()); }
342 * Returns a read/write reverse iterator that points to the last
343 * character in the %string. Iteration is done in reverse element
344 * order. Unshares the string.
348 { return reverse_iterator(this->end()); }
351 * Returns a read-only (constant) reverse iterator that points
352 * to the last character in the %string. Iteration is done in
353 * reverse element order.
355 const_reverse_iterator
357 { return const_reverse_iterator(this->end()); }
360 * Returns a read/write reverse iterator that points to one before the
361 * first character in the %string. Iteration is done in reverse
362 * element order. Unshares the string.
366 { return reverse_iterator(this->begin()); }
369 * Returns a read-only (constant) reverse iterator that points
370 * to one before the first character in the %string. Iteration
371 * is done in reverse element order.
373 const_reverse_iterator
375 { return const_reverse_iterator(this->begin()); }
377 #ifdef __GXX_EXPERIMENTAL_CXX0X__
379 * Returns a read-only (constant) iterator that points to the first
380 * character in the %string.
384 { return const_iterator(this->_M_data()); }
387 * Returns a read-only (constant) iterator that points one past the
388 * last character in the %string.
392 { return const_iterator(this->_M_data() + this->size()); }
395 * Returns a read-only (constant) reverse iterator that points
396 * to the last character in the %string. Iteration is done in
397 * reverse element order.
399 const_reverse_iterator
401 { return const_reverse_iterator(this->end()); }
404 * Returns a read-only (constant) reverse iterator that points
405 * to one before the first character in the %string. Iteration
406 * is done in reverse element order.
408 const_reverse_iterator
410 { return const_reverse_iterator(this->begin()); }
415 /// Returns the number of characters in the string, not including any
416 /// null-termination.
419 { return this->_M_length(); }
421 /// Returns the number of characters in the string, not including any
422 /// null-termination.
425 { return this->_M_length(); }
427 /// Returns the size() of the largest possible %string.
430 { return this->_M_max_size(); }
433 * @brief Resizes the %string to the specified number of characters.
434 * @param __n Number of characters the %string should contain.
435 * @param __c Character to fill any new elements.
437 * This function will %resize the %string to the specified
438 * number of characters. If the number is smaller than the
439 * %string's current size the %string is truncated, otherwise
440 * the %string is extended and new elements are set to @a __c.
443 resize(size_type __n, _CharT __c);
446 * @brief Resizes the %string to the specified number of characters.
447 * @param __n Number of characters the %string should contain.
449 * This function will resize the %string to the specified
450 * length. If the new size is smaller than the %string's
451 * current size the %string is truncated, otherwise the %string
452 * is extended and new characters are default-constructed. For
453 * basic types such as char, this means setting them to 0.
456 resize(size_type __n)
457 { this->resize(__n, _CharT()); }
459 #ifdef __GXX_EXPERIMENTAL_CXX0X__
460 /// A non-binding request to reduce capacity() to size().
465 { this->reserve(0); }
472 * Returns the total number of characters that the %string can
473 * hold before needing to allocate more memory.
477 { return this->_M_capacity(); }
480 * @brief Attempt to preallocate enough memory for specified number of
482 * @param __res_arg Number of characters required.
483 * @throw std::length_error If @a __res_arg exceeds @c max_size().
485 * This function attempts to reserve enough memory for the
486 * %string to hold the specified number of characters. If the
487 * number requested is more than max_size(), length_error is
490 * The advantage of this function is that if optimal code is a
491 * necessity and the user can determine the string length that
492 * will be required, the user can reserve the memory in
493 * %advance, and thus prevent a possible reallocation of memory
494 * and copying of %string data.
497 reserve(size_type __res_arg = 0)
498 { this->_M_reserve(__res_arg); }
501 * Erases the string, making it empty.
505 { this->_M_clear(); }
508 * Returns true if the %string is empty. Equivalent to *this == "".
512 { return this->size() == 0; }
516 * @brief Subscript access to the data contained in the %string.
517 * @param __pos The index of the character to access.
518 * @return Read-only (constant) reference to the character.
520 * This operator allows for easy, array-style, data access.
521 * Note that data access with this operator is unchecked and
522 * out_of_range lookups are not defined. (For checked lookups
526 operator[] (size_type __pos) const
528 _GLIBCXX_DEBUG_ASSERT(__pos <= this->size());
529 return this->_M_data()[__pos];
533 * @brief Subscript access to the data contained in the %string.
534 * @param __pos The index of the character to access.
535 * @return Read/write reference to the character.
537 * This operator allows for easy, array-style, data access.
538 * Note that data access with this operator is unchecked and
539 * out_of_range lookups are not defined. (For checked lookups
540 * see at().) Unshares the string.
543 operator[](size_type __pos)
545 // allow pos == size() as v3 extension:
546 _GLIBCXX_DEBUG_ASSERT(__pos <= this->size());
547 // but be strict in pedantic mode:
548 _GLIBCXX_DEBUG_PEDASSERT(__pos < this->size());
550 return this->_M_data()[__pos];
554 * @brief Provides access to the data contained in the %string.
555 * @param __n The index of the character to access.
556 * @return Read-only (const) reference to the character.
557 * @throw std::out_of_range If @a __n is an invalid index.
559 * This function provides for safer data access. The parameter
560 * is first checked that it is in the range of the string. The
561 * function throws out_of_range if the check fails.
564 at(size_type __n) const
566 if (__n >= this->size())
567 std::__throw_out_of_range(__N("__versa_string::at"));
568 return this->_M_data()[__n];
572 * @brief Provides access to the data contained in the %string.
573 * @param __n The index of the character to access.
574 * @return Read/write reference to the character.
575 * @throw std::out_of_range If @a __n is an invalid index.
577 * This function provides for safer data access. The parameter
578 * is first checked that it is in the range of the string. The
579 * function throws out_of_range if the check fails. Success
580 * results in unsharing the string.
585 if (__n >= this->size())
586 std::__throw_out_of_range(__N("__versa_string::at"));
588 return this->_M_data()[__n];
591 #ifdef __GXX_EXPERIMENTAL_CXX0X__
593 * Returns a read/write reference to the data at the first
594 * element of the %string.
601 * Returns a read-only (constant) reference to the data at the first
602 * element of the %string.
609 * Returns a read/write reference to the data at the last
610 * element of the %string.
614 { return *(end() - 1); }
617 * Returns a read-only (constant) reference to the data at the
618 * last element of the %string.
622 { return *(end() - 1); }
627 * @brief Append a string to this string.
628 * @param __str The string to append.
629 * @return Reference to this string.
632 operator+=(const __versa_string& __str)
633 { return this->append(__str); }
636 * @brief Append a C string.
637 * @param __s The C string to append.
638 * @return Reference to this string.
641 operator+=(const _CharT* __s)
642 { return this->append(__s); }
645 * @brief Append a character.
646 * @param __c The character to append.
647 * @return Reference to this string.
650 operator+=(_CharT __c)
652 this->push_back(__c);
656 #ifdef __GXX_EXPERIMENTAL_CXX0X__
658 * @brief Append an initializer_list of characters.
659 * @param __l The initializer_list of characters to be appended.
660 * @return Reference to this string.
663 operator+=(std::initializer_list<_CharT> __l)
664 { return this->append(__l.begin(), __l.end()); }
665 #endif // __GXX_EXPERIMENTAL_CXX0X__
668 * @brief Append a string to this string.
669 * @param __str The string to append.
670 * @return Reference to this string.
673 append(const __versa_string& __str)
674 { return _M_append(__str._M_data(), __str.size()); }
677 * @brief Append a substring.
678 * @param __str The string to append.
679 * @param __pos Index of the first character of str to append.
680 * @param __n The number of characters to append.
681 * @return Reference to this string.
682 * @throw std::out_of_range if @a pos is not a valid index.
684 * This function appends @a __n characters from @a __str
685 * starting at @a __pos to this string. If @a __n is is larger
686 * than the number of available characters in @a __str, the
687 * remainder of @a __str is appended.
690 append(const __versa_string& __str, size_type __pos, size_type __n)
691 { return _M_append(__str._M_data()
692 + __str._M_check(__pos, "__versa_string::append"),
693 __str._M_limit(__pos, __n)); }
696 * @brief Append a C substring.
697 * @param __s The C string to append.
698 * @param __n The number of characters to append.
699 * @return Reference to this string.
702 append(const _CharT* __s, size_type __n)
704 __glibcxx_requires_string_len(__s, __n);
705 _M_check_length(size_type(0), __n, "__versa_string::append");
706 return _M_append(__s, __n);
710 * @brief Append a C string.
711 * @param __s The C string to append.
712 * @return Reference to this string.
715 append(const _CharT* __s)
717 __glibcxx_requires_string(__s);
718 const size_type __n = traits_type::length(__s);
719 _M_check_length(size_type(0), __n, "__versa_string::append");
720 return _M_append(__s, __n);
724 * @brief Append multiple characters.
725 * @param __n The number of characters to append.
726 * @param __c The character to use.
727 * @return Reference to this string.
729 * Appends n copies of c to this string.
732 append(size_type __n, _CharT __c)
733 { return _M_replace_aux(this->size(), size_type(0), __n, __c); }
735 #ifdef __GXX_EXPERIMENTAL_CXX0X__
737 * @brief Append an initializer_list of characters.
738 * @param __l The initializer_list of characters to append.
739 * @return Reference to this string.
742 append(std::initializer_list<_CharT> __l)
743 { return this->append(__l.begin(), __l.end()); }
744 #endif // __GXX_EXPERIMENTAL_CXX0X__
747 * @brief Append a range of characters.
748 * @param __first Iterator referencing the first character to append.
749 * @param __last Iterator marking the end of the range.
750 * @return Reference to this string.
752 * Appends characters in the range [first,last) to this string.
754 template<class _InputIterator>
756 append(_InputIterator __first, _InputIterator __last)
757 { return this->replace(_M_iend(), _M_iend(), __first, __last); }
760 * @brief Append a single character.
761 * @param __c Character to append.
764 push_back(_CharT __c)
766 const size_type __size = this->size();
767 if (__size + 1 > this->capacity() || this->_M_is_shared())
768 this->_M_mutate(__size, size_type(0), 0, size_type(1));
769 traits_type::assign(this->_M_data()[__size], __c);
770 this->_M_set_length(__size + 1);
774 * @brief Set value to contents of another string.
775 * @param __str Source string to use.
776 * @return Reference to this string.
779 assign(const __versa_string& __str)
781 this->_M_assign(__str);
786 * @brief Set value to a substring of a string.
787 * @param __str The string to use.
788 * @param __pos Index of the first character of str.
789 * @param __n Number of characters to use.
790 * @return Reference to this string.
791 * @throw std::out_of_range if @a __pos is not a valid index.
793 * This function sets this string to the substring of @a __str
794 * consisting of @a __n characters at @a __pos. If @a __n is
795 * is larger than the number of available characters in @a
796 * __str, the remainder of @a __str is used.
799 assign(const __versa_string& __str, size_type __pos, size_type __n)
800 { return _M_replace(size_type(0), this->size(), __str._M_data()
801 + __str._M_check(__pos, "__versa_string::assign"),
802 __str._M_limit(__pos, __n)); }
805 * @brief Set value to a C substring.
806 * @param __s The C string to use.
807 * @param __n Number of characters to use.
808 * @return Reference to this string.
810 * This function sets the value of this string to the first @a
811 * __n characters of @a __s. If @a __n is is larger than the
812 * number of available characters in @a __s, the remainder of
816 assign(const _CharT* __s, size_type __n)
818 __glibcxx_requires_string_len(__s, __n);
819 return _M_replace(size_type(0), this->size(), __s, __n);
823 * @brief Set value to contents of a C string.
824 * @param __s The C string to use.
825 * @return Reference to this string.
827 * This function sets the value of this string to the value of
828 * @a __s. The data is copied, so there is no dependence on @a
829 * __s once the function returns.
832 assign(const _CharT* __s)
834 __glibcxx_requires_string(__s);
835 return _M_replace(size_type(0), this->size(), __s,
836 traits_type::length(__s));
840 * @brief Set value to multiple characters.
841 * @param __n Length of the resulting string.
842 * @param __c The character to use.
843 * @return Reference to this string.
845 * This function sets the value of this string to @a __n copies of
849 assign(size_type __n, _CharT __c)
850 { return _M_replace_aux(size_type(0), this->size(), __n, __c); }
853 * @brief Set value to a range of characters.
854 * @param __first Iterator referencing the first character to append.
855 * @param __last Iterator marking the end of the range.
856 * @return Reference to this string.
858 * Sets value of string to characters in the range
861 template<class _InputIterator>
863 assign(_InputIterator __first, _InputIterator __last)
864 { return this->replace(_M_ibegin(), _M_iend(), __first, __last); }
866 #ifdef __GXX_EXPERIMENTAL_CXX0X__
868 * @brief Set value to an initializer_list of characters.
869 * @param __l The initializer_list of characters to assign.
870 * @return Reference to this string.
873 assign(std::initializer_list<_CharT> __l)
874 { return this->assign(__l.begin(), __l.end()); }
875 #endif // __GXX_EXPERIMENTAL_CXX0X__
878 * @brief Insert multiple characters.
879 * @param __p Iterator referencing location in string to insert at.
880 * @param __n Number of characters to insert
881 * @param __c The character to insert.
882 * @throw std::length_error If new length exceeds @c max_size().
884 * Inserts @a __n copies of character @a __c starting at the
885 * position referenced by iterator @a __p. If adding
886 * characters causes the length to exceed max_size(),
887 * length_error is thrown. The value of the string doesn't
888 * change if an error is thrown.
891 insert(iterator __p, size_type __n, _CharT __c)
892 { this->replace(__p, __p, __n, __c); }
895 * @brief Insert a range of characters.
896 * @param __p Iterator referencing location in string to insert at.
897 * @param __beg Start of range.
898 * @param __end End of range.
899 * @throw std::length_error If new length exceeds @c max_size().
901 * Inserts characters in range [beg,end). If adding characters
902 * causes the length to exceed max_size(), length_error is
903 * thrown. The value of the string doesn't change if an error
906 template<class _InputIterator>
908 insert(iterator __p, _InputIterator __beg, _InputIterator __end)
909 { this->replace(__p, __p, __beg, __end); }
911 #ifdef __GXX_EXPERIMENTAL_CXX0X__
913 * @brief Insert an initializer_list of characters.
914 * @param __p Iterator referencing location in string to insert at.
915 * @param __l The initializer_list of characters to insert.
916 * @throw std::length_error If new length exceeds @c max_size().
919 insert(iterator __p, std::initializer_list<_CharT> __l)
920 { this->insert(__p, __l.begin(), __l.end()); }
921 #endif // __GXX_EXPERIMENTAL_CXX0X__
924 * @brief Insert value of a string.
925 * @param __pos1 Iterator referencing location in string to insert at.
926 * @param __str The string to insert.
927 * @return Reference to this string.
928 * @throw std::length_error If new length exceeds @c max_size().
930 * Inserts value of @a __str starting at @a __pos1. If adding
931 * characters causes the length to exceed max_size(),
932 * length_error is thrown. The value of the string doesn't
933 * change if an error is thrown.
936 insert(size_type __pos1, const __versa_string& __str)
937 { return this->replace(__pos1, size_type(0),
938 __str._M_data(), __str.size()); }
941 * @brief Insert a substring.
942 * @param __pos1 Iterator referencing location in string to insert at.
943 * @param __str The string to insert.
944 * @param __pos2 Start of characters in str to insert.
945 * @param __n Number of characters to insert.
946 * @return Reference to this string.
947 * @throw std::length_error If new length exceeds @c max_size().
948 * @throw std::out_of_range If @a __pos1 > size() or
949 * @a __pos2 > @a __str.size().
951 * Starting at @a __pos1, insert @a __n character of @a __str
952 * beginning with @a __pos2. If adding characters causes the
953 * length to exceed max_size(), length_error is thrown. If @a
954 * __pos1 is beyond the end of this string or @a __pos2 is
955 * beyond the end of @a __str, out_of_range is thrown. The
956 * value of the string doesn't change if an error is thrown.
959 insert(size_type __pos1, const __versa_string& __str,
960 size_type __pos2, size_type __n)
961 { return this->replace(__pos1, size_type(0), __str._M_data()
962 + __str._M_check(__pos2, "__versa_string::insert"),
963 __str._M_limit(__pos2, __n)); }
966 * @brief Insert a C substring.
967 * @param __pos Iterator referencing location in string to insert at.
968 * @param __s The C string to insert.
969 * @param __n The number of characters to insert.
970 * @return Reference to this string.
971 * @throw std::length_error If new length exceeds @c max_size().
972 * @throw std::out_of_range If @a __pos is beyond the end of this
975 * Inserts the first @a __n characters of @a __s starting at @a
976 * __pos. If adding characters causes the length to exceed
977 * max_size(), length_error is thrown. If @a __pos is beyond
978 * end(), out_of_range is thrown. The value of the string
979 * doesn't change if an error is thrown.
982 insert(size_type __pos, const _CharT* __s, size_type __n)
983 { return this->replace(__pos, size_type(0), __s, __n); }
986 * @brief Insert a C string.
987 * @param __pos Iterator referencing location in string to insert at.
988 * @param __s The C string to insert.
989 * @return Reference to this string.
990 * @throw std::length_error If new length exceeds @c max_size().
991 * @throw std::out_of_range If @a __pos is beyond the end of this
994 * Inserts the first @a __n characters of @a __s starting at @a
995 * __pos. If adding characters causes the length to exceed
996 * max_size(), length_error is thrown. If @a __pos is beyond
997 * end(), out_of_range is thrown. The value of the string
998 * doesn't change if an error is thrown.
1001 insert(size_type __pos, const _CharT* __s)
1003 __glibcxx_requires_string(__s);
1004 return this->replace(__pos, size_type(0), __s,
1005 traits_type::length(__s));
1009 * @brief Insert multiple characters.
1010 * @param __pos Index in string to insert at.
1011 * @param __n Number of characters to insert
1012 * @param __c The character to insert.
1013 * @return Reference to this string.
1014 * @throw std::length_error If new length exceeds @c max_size().
1015 * @throw std::out_of_range If @a __pos is beyond the end of this
1018 * Inserts @a __n copies of character @a __c starting at index
1019 * @a __pos. If adding characters causes the length to exceed
1020 * max_size(), length_error is thrown. If @a __pos > length(),
1021 * out_of_range is thrown. The value of the string doesn't
1022 * change if an error is thrown.
1025 insert(size_type __pos, size_type __n, _CharT __c)
1026 { return _M_replace_aux(_M_check(__pos, "__versa_string::insert"),
1027 size_type(0), __n, __c); }
1030 * @brief Insert one character.
1031 * @param __p Iterator referencing position in string to insert at.
1032 * @param __c The character to insert.
1033 * @return Iterator referencing newly inserted char.
1034 * @throw std::length_error If new length exceeds @c max_size().
1036 * Inserts character @a __c at position referenced by @a __p.
1037 * If adding character causes the length to exceed max_size(),
1038 * length_error is thrown. If @a __p is beyond end of string,
1039 * out_of_range is thrown. The value of the string doesn't
1040 * change if an error is thrown.
1043 insert(iterator __p, _CharT __c)
1045 _GLIBCXX_DEBUG_PEDASSERT(__p >= _M_ibegin() && __p <= _M_iend());
1046 const size_type __pos = __p - _M_ibegin();
1047 _M_replace_aux(__pos, size_type(0), size_type(1), __c);
1048 this->_M_set_leaked();
1049 return iterator(this->_M_data() + __pos);
1053 * @brief Remove characters.
1054 * @param __pos Index of first character to remove (default 0).
1055 * @param __n Number of characters to remove (default remainder).
1056 * @return Reference to this string.
1057 * @throw std::out_of_range If @a __pos is beyond the end of this
1060 * Removes @a __n characters from this string starting at @a
1061 * __pos. The length of the string is reduced by @a __n. If
1062 * there are < @a __n characters to remove, the remainder of
1063 * the string is truncated. If @a __p is beyond end of string,
1064 * out_of_range is thrown. The value of the string doesn't
1065 * change if an error is thrown.
1068 erase(size_type __pos = 0, size_type __n = npos)
1070 this->_M_erase(_M_check(__pos, "__versa_string::erase"),
1071 _M_limit(__pos, __n));
1076 * @brief Remove one character.
1077 * @param __position Iterator referencing the character to remove.
1078 * @return iterator referencing same location after removal.
1080 * Removes the character at @a __position from this string. The
1081 * value of the string doesn't change if an error is thrown.
1084 erase(iterator __position)
1086 _GLIBCXX_DEBUG_PEDASSERT(__position >= _M_ibegin()
1087 && __position < _M_iend());
1088 const size_type __pos = __position - _M_ibegin();
1089 this->_M_erase(__pos, size_type(1));
1090 this->_M_set_leaked();
1091 return iterator(this->_M_data() + __pos);
1095 * @brief Remove a range of characters.
1096 * @param __first Iterator referencing the first character to remove.
1097 * @param __last Iterator referencing the end of the range.
1098 * @return Iterator referencing location of first after removal.
1100 * Removes the characters in the range [first,last) from this
1101 * string. The value of the string doesn't change if an error
1105 erase(iterator __first, iterator __last)
1107 _GLIBCXX_DEBUG_PEDASSERT(__first >= _M_ibegin() && __first <= __last
1108 && __last <= _M_iend());
1109 const size_type __pos = __first - _M_ibegin();
1110 this->_M_erase(__pos, __last - __first);
1111 this->_M_set_leaked();
1112 return iterator(this->_M_data() + __pos);
1116 * @brief Replace characters with value from another string.
1117 * @param __pos Index of first character to replace.
1118 * @param __n Number of characters to be replaced.
1119 * @param __str String to insert.
1120 * @return Reference to this string.
1121 * @throw std::out_of_range If @a __pos is beyond the end of this
1123 * @throw std::length_error If new length exceeds @c max_size().
1125 * Removes the characters in the range [pos,pos+n) from this
1126 * string. In place, the value of @a __str is inserted. If @a
1127 * __pos is beyond end of string, out_of_range is thrown. If
1128 * the length of the result exceeds max_size(), length_error is
1129 * thrown. The value of the string doesn't change if an error
1133 replace(size_type __pos, size_type __n, const __versa_string& __str)
1134 { return this->replace(__pos, __n, __str._M_data(), __str.size()); }
1137 * @brief Replace characters with value from another string.
1138 * @param __pos1 Index of first character to replace.
1139 * @param __n1 Number of characters to be replaced.
1140 * @param __str String to insert.
1141 * @param __pos2 Index of first character of str to use.
1142 * @param __n2 Number of characters from str to use.
1143 * @return Reference to this string.
1144 * @throw std::out_of_range If @a __pos1 > size() or @a __pos2 >
1146 * @throw std::length_error If new length exceeds @c max_size().
1148 * Removes the characters in the range [pos1,pos1 + n) from
1149 * this string. In place, the value of @a __str is inserted.
1150 * If @a __pos is beyond end of string, out_of_range is thrown.
1151 * If the length of the result exceeds max_size(), length_error
1152 * is thrown. The value of the string doesn't change if an
1156 replace(size_type __pos1, size_type __n1, const __versa_string& __str,
1157 size_type __pos2, size_type __n2)
1159 return this->replace(__pos1, __n1, __str._M_data()
1160 + __str._M_check(__pos2,
1161 "__versa_string::replace"),
1162 __str._M_limit(__pos2, __n2));
1166 * @brief Replace characters with value of a C substring.
1167 * @param __pos Index of first character to replace.
1168 * @param __n1 Number of characters to be replaced.
1169 * @param __s C string to insert.
1170 * @param __n2 Number of characters from @a __s to use.
1171 * @return Reference to this string.
1172 * @throw std::out_of_range If @a __pos1 > size().
1173 * @throw std::length_error If new length exceeds @c max_size().
1175 * Removes the characters in the range [pos,pos + n1) from this
1176 * string. In place, the first @a __n2 characters of @a __s
1177 * are inserted, or all of @a __s if @a __n2 is too large. If
1178 * @a __pos is beyond end of string, out_of_range is thrown.
1179 * If the length of result exceeds max_size(), length_error is
1180 * thrown. The value of the string doesn't change if an error
1184 replace(size_type __pos, size_type __n1, const _CharT* __s,
1187 __glibcxx_requires_string_len(__s, __n2);
1188 return _M_replace(_M_check(__pos, "__versa_string::replace"),
1189 _M_limit(__pos, __n1), __s, __n2);
1193 * @brief Replace characters with value of a C string.
1194 * @param __pos Index of first character to replace.
1195 * @param __n1 Number of characters to be replaced.
1196 * @param __s C string to insert.
1197 * @return Reference to this string.
1198 * @throw std::out_of_range If @a __pos > size().
1199 * @throw std::length_error If new length exceeds @c max_size().
1201 * Removes the characters in the range [pos,pos + n1) from this
1202 * string. In place, the first @a __n characters of @a __s are
1203 * inserted. If @a pos is beyond end of string, out_of_range
1204 * is thrown. If the length of result exceeds max_size(),
1205 * length_error is thrown. The value of the string doesn't
1206 * change if an error is thrown.
1209 replace(size_type __pos, size_type __n1, const _CharT* __s)
1211 __glibcxx_requires_string(__s);
1212 return this->replace(__pos, __n1, __s, traits_type::length(__s));
1216 * @brief Replace characters with multiple characters.
1217 * @param __pos Index of first character to replace.
1218 * @param __n1 Number of characters to be replaced.
1219 * @param __n2 Number of characters to insert.
1220 * @param __c Character to insert.
1221 * @return Reference to this string.
1222 * @throw std::out_of_range If @a __pos > size().
1223 * @throw std::length_error If new length exceeds @c max_size().
1225 * Removes the characters in the range [pos,pos + n1) from this
1226 * string. In place, @a __n2 copies of @a __c are inserted.
1227 * If @a __pos is beyond end of string, out_of_range is thrown.
1228 * If the length of result exceeds max_size(), length_error is
1229 * thrown. The value of the string doesn't change if an error
1233 replace(size_type __pos, size_type __n1, size_type __n2, _CharT __c)
1234 { return _M_replace_aux(_M_check(__pos, "__versa_string::replace"),
1235 _M_limit(__pos, __n1), __n2, __c); }
1238 * @brief Replace range of characters with string.
1239 * @param __i1 Iterator referencing start of range to replace.
1240 * @param __i2 Iterator referencing end of range to replace.
1241 * @param __str String value to insert.
1242 * @return Reference to this string.
1243 * @throw std::length_error If new length exceeds @c max_size().
1245 * Removes the characters in the range [i1,i2). In place, the
1246 * value of @a __str is inserted. If the length of result
1247 * exceeds max_size(), length_error is thrown. The value of
1248 * the string doesn't change if an error is thrown.
1251 replace(iterator __i1, iterator __i2, const __versa_string& __str)
1252 { return this->replace(__i1, __i2, __str._M_data(), __str.size()); }
1255 * @brief Replace range of characters with C substring.
1256 * @param __i1 Iterator referencing start of range to replace.
1257 * @param __i2 Iterator referencing end of range to replace.
1258 * @param __s C string value to insert.
1259 * @param __n Number of characters from s to insert.
1260 * @return Reference to this string.
1261 * @throw std::length_error If new length exceeds @c max_size().
1263 * Removes the characters in the range [i1,i2). In place, the
1264 * first @a n characters of @a __s are inserted. If the length
1265 * of result exceeds max_size(), length_error is thrown. The
1266 * value of the string doesn't change if an error is thrown.
1269 replace(iterator __i1, iterator __i2, const _CharT* __s, size_type __n)
1271 _GLIBCXX_DEBUG_PEDASSERT(_M_ibegin() <= __i1 && __i1 <= __i2
1272 && __i2 <= _M_iend());
1273 return this->replace(__i1 - _M_ibegin(), __i2 - __i1, __s, __n);
1277 * @brief Replace range of characters with C string.
1278 * @param __i1 Iterator referencing start of range to replace.
1279 * @param __i2 Iterator referencing end of range to replace.
1280 * @param __s C string value to insert.
1281 * @return Reference to this string.
1282 * @throw std::length_error If new length exceeds @c max_size().
1284 * Removes the characters in the range [i1,i2). In place, the
1285 * characters of @a __s are inserted. If the length of result
1286 * exceeds max_size(), length_error is thrown. The value of
1287 * the string doesn't change if an error is thrown.
1290 replace(iterator __i1, iterator __i2, const _CharT* __s)
1292 __glibcxx_requires_string(__s);
1293 return this->replace(__i1, __i2, __s, traits_type::length(__s));
1297 * @brief Replace range of characters with multiple characters
1298 * @param __i1 Iterator referencing start of range to replace.
1299 * @param __i2 Iterator referencing end of range to replace.
1300 * @param __n Number of characters to insert.
1301 * @param __c Character to insert.
1302 * @return Reference to this string.
1303 * @throw std::length_error If new length exceeds @c max_size().
1305 * Removes the characters in the range [i1,i2). In place, @a
1306 * __n copies of @a __c are inserted. If the length of result
1307 * exceeds max_size(), length_error is thrown. The value of
1308 * the string doesn't change if an error is thrown.
1311 replace(iterator __i1, iterator __i2, size_type __n, _CharT __c)
1313 _GLIBCXX_DEBUG_PEDASSERT(_M_ibegin() <= __i1 && __i1 <= __i2
1314 && __i2 <= _M_iend());
1315 return _M_replace_aux(__i1 - _M_ibegin(), __i2 - __i1, __n, __c);
1319 * @brief Replace range of characters with range.
1320 * @param __i1 Iterator referencing start of range to replace.
1321 * @param __i2 Iterator referencing end of range to replace.
1322 * @param __k1 Iterator referencing start of range to insert.
1323 * @param __k2 Iterator referencing end of range to insert.
1324 * @return Reference to this string.
1325 * @throw std::length_error If new length exceeds @c max_size().
1327 * Removes the characters in the range [i1,i2). In place,
1328 * characters in the range [k1,k2) are inserted. If the length
1329 * of result exceeds max_size(), length_error is thrown. The
1330 * value of the string doesn't change if an error is thrown.
1332 template<class _InputIterator>
1334 replace(iterator __i1, iterator __i2,
1335 _InputIterator __k1, _InputIterator __k2)
1337 _GLIBCXX_DEBUG_PEDASSERT(_M_ibegin() <= __i1 && __i1 <= __i2
1338 && __i2 <= _M_iend());
1339 __glibcxx_requires_valid_range(__k1, __k2);
1340 typedef typename std::__is_integer<_InputIterator>::__type _Integral;
1341 return _M_replace_dispatch(__i1, __i2, __k1, __k2, _Integral());
1344 // Specializations for the common case of pointer and iterator:
1345 // useful to avoid the overhead of temporary buffering in _M_replace.
1347 replace(iterator __i1, iterator __i2, _CharT* __k1, _CharT* __k2)
1349 _GLIBCXX_DEBUG_PEDASSERT(_M_ibegin() <= __i1 && __i1 <= __i2
1350 && __i2 <= _M_iend());
1351 __glibcxx_requires_valid_range(__k1, __k2);
1352 return this->replace(__i1 - _M_ibegin(), __i2 - __i1,
1357 replace(iterator __i1, iterator __i2,
1358 const _CharT* __k1, const _CharT* __k2)
1360 _GLIBCXX_DEBUG_PEDASSERT(_M_ibegin() <= __i1 && __i1 <= __i2
1361 && __i2 <= _M_iend());
1362 __glibcxx_requires_valid_range(__k1, __k2);
1363 return this->replace(__i1 - _M_ibegin(), __i2 - __i1,
1368 replace(iterator __i1, iterator __i2, iterator __k1, iterator __k2)
1370 _GLIBCXX_DEBUG_PEDASSERT(_M_ibegin() <= __i1 && __i1 <= __i2
1371 && __i2 <= _M_iend());
1372 __glibcxx_requires_valid_range(__k1, __k2);
1373 return this->replace(__i1 - _M_ibegin(), __i2 - __i1,
1374 __k1.base(), __k2 - __k1);
1378 replace(iterator __i1, iterator __i2,
1379 const_iterator __k1, const_iterator __k2)
1381 _GLIBCXX_DEBUG_PEDASSERT(_M_ibegin() <= __i1 && __i1 <= __i2
1382 && __i2 <= _M_iend());
1383 __glibcxx_requires_valid_range(__k1, __k2);
1384 return this->replace(__i1 - _M_ibegin(), __i2 - __i1,
1385 __k1.base(), __k2 - __k1);
1388 #ifdef __GXX_EXPERIMENTAL_CXX0X__
1390 * @brief Replace range of characters with initializer_list.
1391 * @param __i1 Iterator referencing start of range to replace.
1392 * @param __i2 Iterator referencing end of range to replace.
1393 * @param __l The initializer_list of characters to insert.
1394 * @return Reference to this string.
1395 * @throw std::length_error If new length exceeds @c max_size().
1397 * Removes the characters in the range [i1,i2). In place,
1398 * characters in the range [k1,k2) are inserted. If the length
1399 * of result exceeds max_size(), length_error is thrown. The
1400 * value of the string doesn't change if an error is thrown.
1402 __versa_string& replace(iterator __i1, iterator __i2,
1403 std::initializer_list<_CharT> __l)
1404 { return this->replace(__i1, __i2, __l.begin(), __l.end()); }
1405 #endif // __GXX_EXPERIMENTAL_CXX0X__
1408 template<class _Integer>
1410 _M_replace_dispatch(iterator __i1, iterator __i2, _Integer __n,
1411 _Integer __val, std::__true_type)
1412 { return _M_replace_aux(__i1 - _M_ibegin(), __i2 - __i1, __n, __val); }
1414 template<class _InputIterator>
1416 _M_replace_dispatch(iterator __i1, iterator __i2, _InputIterator __k1,
1417 _InputIterator __k2, std::__false_type);
1420 _M_replace_aux(size_type __pos1, size_type __n1, size_type __n2,
1424 _M_replace(size_type __pos, size_type __len1, const _CharT* __s,
1425 const size_type __len2);
1428 _M_append(const _CharT* __s, size_type __n);
1433 * @brief Copy substring into C string.
1434 * @param __s C string to copy value into.
1435 * @param __n Number of characters to copy.
1436 * @param __pos Index of first character to copy.
1437 * @return Number of characters actually copied
1438 * @throw std::out_of_range If pos > size().
1440 * Copies up to @a __n characters starting at @a __pos into the
1441 * C string @a s. If @a __pos is greater than size(),
1442 * out_of_range is thrown.
1445 copy(_CharT* __s, size_type __n, size_type __pos = 0) const;
1448 * @brief Swap contents with another string.
1449 * @param __s String to swap with.
1451 * Exchanges the contents of this string with that of @a __s in
1455 swap(__versa_string& __s)
1456 { this->_M_swap(__s); }
1458 // String operations:
1460 * @brief Return const pointer to null-terminated contents.
1462 * This is a handle to internal data. Do not modify or dire things may
1467 { return this->_M_data(); }
1470 * @brief Return const pointer to contents.
1472 * This is a handle to internal data. Do not modify or dire things may
1477 { return this->_M_data(); }
1480 * @brief Return copy of allocator used to construct this string.
1483 get_allocator() const
1484 { return allocator_type(this->_M_get_allocator()); }
1487 * @brief Find position of a C substring.
1488 * @param __s C string to locate.
1489 * @param __pos Index of character to search from.
1490 * @param __n Number of characters from @a __s to search for.
1491 * @return Index of start of first occurrence.
1493 * Starting from @a __pos, searches forward for the first @a
1494 * __n characters in @a __s within this string. If found,
1495 * returns the index where it begins. If not found, returns
1499 find(const _CharT* __s, size_type __pos, size_type __n) const;
1502 * @brief Find position of a string.
1503 * @param __str String to locate.
1504 * @param __pos Index of character to search from (default 0).
1505 * @return Index of start of first occurrence.
1507 * Starting from @a __pos, searches forward for value of @a
1508 * __str within this string. If found, returns the index where
1509 * it begins. If not found, returns npos.
1512 find(const __versa_string& __str, size_type __pos = 0) const
1513 { return this->find(__str.data(), __pos, __str.size()); }
1516 * @brief Find position of a C string.
1517 * @param __s C string to locate.
1518 * @param __pos Index of character to search from (default 0).
1519 * @return Index of start of first occurrence.
1521 * Starting from @a __pos, searches forward for the value of @a
1522 * __s within this string. If found, returns the index where
1523 * it begins. If not found, returns npos.
1526 find(const _CharT* __s, size_type __pos = 0) const
1528 __glibcxx_requires_string(__s);
1529 return this->find(__s, __pos, traits_type::length(__s));
1533 * @brief Find position of a character.
1534 * @param __c Character to locate.
1535 * @param __pos Index of character to search from (default 0).
1536 * @return Index of first occurrence.
1538 * Starting from @a __pos, searches forward for @a __c within
1539 * this string. If found, returns the index where it was
1540 * found. If not found, returns npos.
1543 find(_CharT __c, size_type __pos = 0) const;
1546 * @brief Find last position of a string.
1547 * @param __str String to locate.
1548 * @param __pos Index of character to search back from (default end).
1549 * @return Index of start of last occurrence.
1551 * Starting from @a __pos, searches backward for value of @a
1552 * __str within this string. If found, returns the index where
1553 * it begins. If not found, returns npos.
1556 rfind(const __versa_string& __str, size_type __pos = npos) const
1557 { return this->rfind(__str.data(), __pos, __str.size()); }
1560 * @brief Find last position of a C substring.
1561 * @param __s C string to locate.
1562 * @param __pos Index of character to search back from.
1563 * @param __n Number of characters from s to search for.
1564 * @return Index of start of last occurrence.
1566 * Starting from @a __pos, searches backward for the first @a
1567 * __n characters in @a __s within this string. If found,
1568 * returns the index where it begins. If not found, returns
1572 rfind(const _CharT* __s, size_type __pos, size_type __n) const;
1575 * @brief Find last position of a C string.
1576 * @param __s C string to locate.
1577 * @param __pos Index of character to start search at (default end).
1578 * @return Index of start of last occurrence.
1580 * Starting from @a __pos, searches backward for the value of
1581 * @a __s within this string. If found, returns the index
1582 * where it begins. If not found, returns npos.
1585 rfind(const _CharT* __s, size_type __pos = npos) const
1587 __glibcxx_requires_string(__s);
1588 return this->rfind(__s, __pos, traits_type::length(__s));
1592 * @brief Find last position of a character.
1593 * @param __c Character to locate.
1594 * @param __pos Index of character to search back from (default end).
1595 * @return Index of last occurrence.
1597 * Starting from @a __pos, searches backward for @a __c within
1598 * this string. If found, returns the index where it was
1599 * found. If not found, returns npos.
1602 rfind(_CharT __c, size_type __pos = npos) const;
1605 * @brief Find position of a character of string.
1606 * @param __str String containing characters to locate.
1607 * @param __pos Index of character to search from (default 0).
1608 * @return Index of first occurrence.
1610 * Starting from @a __pos, searches forward for one of the characters of
1611 * @a __str within this string. If found, returns the index where it was
1612 * found. If not found, returns npos.
1615 find_first_of(const __versa_string& __str, size_type __pos = 0) const
1616 { return this->find_first_of(__str.data(), __pos, __str.size()); }
1619 * @brief Find position of a character of C substring.
1620 * @param __s String containing characters to locate.
1621 * @param __pos Index of character to search from.
1622 * @param __n Number of characters from s to search for.
1623 * @return Index of first occurrence.
1625 * Starting from @a __pos, searches forward for one of the
1626 * first @a __n characters of @a __s within this string. If
1627 * found, returns the index where it was found. If not found,
1631 find_first_of(const _CharT* __s, size_type __pos, size_type __n) const;
1634 * @brief Find position of a character of C string.
1635 * @param __s String containing characters to locate.
1636 * @param __pos Index of character to search from (default 0).
1637 * @return Index of first occurrence.
1639 * Starting from @a __pos, searches forward for one of the
1640 * characters of @a __s within this string. If found, returns
1641 * the index where it was found. If not found, returns npos.
1644 find_first_of(const _CharT* __s, size_type __pos = 0) const
1646 __glibcxx_requires_string(__s);
1647 return this->find_first_of(__s, __pos, traits_type::length(__s));
1651 * @brief Find position of a character.
1652 * @param __c Character to locate.
1653 * @param __pos Index of character to search from (default 0).
1654 * @return Index of first occurrence.
1656 * Starting from @a __pos, searches forward for the character
1657 * @a __c within this string. If found, returns the index
1658 * where it was found. If not found, returns npos.
1660 * Note: equivalent to find(c, pos).
1663 find_first_of(_CharT __c, size_type __pos = 0) const
1664 { return this->find(__c, __pos); }
1667 * @brief Find last position of a character of string.
1668 * @param __str String containing characters to locate.
1669 * @param __pos Index of character to search back from (default end).
1670 * @return Index of last occurrence.
1672 * Starting from @a __pos, searches backward for one of the
1673 * characters of @a __str within this string. If found,
1674 * returns the index where it was found. If not found, returns
1678 find_last_of(const __versa_string& __str, size_type __pos = npos) const
1679 { return this->find_last_of(__str.data(), __pos, __str.size()); }
1682 * @brief Find last position of a character of C substring.
1683 * @param __s C string containing characters to locate.
1684 * @param __pos Index of character to search back from.
1685 * @param __n Number of characters from s to search for.
1686 * @return Index of last occurrence.
1688 * Starting from @a __pos, searches backward for one of the
1689 * first @a __n characters of @a __s within this string. If
1690 * found, returns the index where it was found. If not found,
1694 find_last_of(const _CharT* __s, size_type __pos, size_type __n) const;
1697 * @brief Find last position of a character of C string.
1698 * @param __s C string containing characters to locate.
1699 * @param __pos Index of character to search back from (default end).
1700 * @return Index of last occurrence.
1702 * Starting from @a __pos, searches backward for one of the
1703 * characters of @a __s within this string. If found, returns
1704 * the index where it was found. If not found, returns npos.
1707 find_last_of(const _CharT* __s, size_type __pos = npos) const
1709 __glibcxx_requires_string(__s);
1710 return this->find_last_of(__s, __pos, traits_type::length(__s));
1714 * @brief Find last position of a character.
1715 * @param __c Character to locate.
1716 * @param __pos Index of character to search back from (default end).
1717 * @return Index of last occurrence.
1719 * Starting from @a __pos, searches backward for @a __c within
1720 * this string. If found, returns the index where it was
1721 * found. If not found, returns npos.
1723 * Note: equivalent to rfind(c, pos).
1726 find_last_of(_CharT __c, size_type __pos = npos) const
1727 { return this->rfind(__c, __pos); }
1730 * @brief Find position of a character not in string.
1731 * @param __str String containing characters to avoid.
1732 * @param __pos Index of character to search from (default 0).
1733 * @return Index of first occurrence.
1735 * Starting from @a __pos, searches forward for a character not
1736 * contained in @a __str within this string. If found, returns
1737 * the index where it was found. If not found, returns npos.
1740 find_first_not_of(const __versa_string& __str, size_type __pos = 0) const
1741 { return this->find_first_not_of(__str.data(), __pos, __str.size()); }
1744 * @brief Find position of a character not in C substring.
1745 * @param __s C string containing characters to avoid.
1746 * @param __pos Index of character to search from.
1747 * @param __n Number of characters from s to consider.
1748 * @return Index of first occurrence.
1750 * Starting from @a __pos, searches forward for a character not
1751 * contained in the first @a __n characters of @a __s within
1752 * this string. If found, returns the index where it was
1753 * found. If not found, returns npos.
1756 find_first_not_of(const _CharT* __s, size_type __pos,
1757 size_type __n) const;
1760 * @brief Find position of a character not in C string.
1761 * @param __s C string containing characters to avoid.
1762 * @param __pos Index of character to search from (default 0).
1763 * @return Index of first occurrence.
1765 * Starting from @a __pos, searches forward for a character not
1766 * contained in @a __s within this string. If found, returns
1767 * the index where it was found. If not found, returns npos.
1770 find_first_not_of(const _CharT* __s, size_type __pos = 0) const
1772 __glibcxx_requires_string(__s);
1773 return this->find_first_not_of(__s, __pos, traits_type::length(__s));
1777 * @brief Find position of a different character.
1778 * @param __c Character to avoid.
1779 * @param __pos Index of character to search from (default 0).
1780 * @return Index of first occurrence.
1782 * Starting from @a __pos, searches forward for a character
1783 * other than @a __c within this string. If found, returns the
1784 * index where it was found. If not found, returns npos.
1787 find_first_not_of(_CharT __c, size_type __pos = 0) const;
1790 * @brief Find last position of a character not in string.
1791 * @param __str String containing characters to avoid.
1792 * @param __pos Index of character to search back from (default end).
1793 * @return Index of last occurrence.
1795 * Starting from @a __pos, searches backward for a character
1796 * not contained in @a __str within this string. If found,
1797 * returns the index where it was found. If not found, returns
1801 find_last_not_of(const __versa_string& __str,
1802 size_type __pos = npos) const
1803 { return this->find_last_not_of(__str.data(), __pos, __str.size()); }
1806 * @brief Find last position of a character not in C substring.
1807 * @param __s C string containing characters to avoid.
1808 * @param __pos Index of character to search back from.
1809 * @param __n Number of characters from s to consider.
1810 * @return Index of last occurrence.
1812 * Starting from @a __pos, searches backward for a character
1813 * not contained in the first @a __n characters of @a __s
1814 * within this string. If found, returns the index where it
1815 * was found. If not found, returns npos.
1818 find_last_not_of(const _CharT* __s, size_type __pos,
1819 size_type __n) const;
1821 * @brief Find last position of a character not in C string.
1822 * @param __s C string containing characters to avoid.
1823 * @param __pos Index of character to search back from (default end).
1824 * @return Index of last occurrence.
1826 * Starting from @a __pos, searches backward for a character
1827 * not contained in @a __s within this string. If found,
1828 * returns the index where it was found. If not found, returns
1832 find_last_not_of(const _CharT* __s, size_type __pos = npos) const
1834 __glibcxx_requires_string(__s);
1835 return this->find_last_not_of(__s, __pos, traits_type::length(__s));
1839 * @brief Find last position of a different character.
1840 * @param __c Character to avoid.
1841 * @param __pos Index of character to search back from (default end).
1842 * @return Index of last occurrence.
1844 * Starting from @a __pos, searches backward for a character
1845 * other than @a __c within this string. If found, returns the
1846 * index where it was found. If not found, returns npos.
1849 find_last_not_of(_CharT __c, size_type __pos = npos) const;
1852 * @brief Get a substring.
1853 * @param __pos Index of first character (default 0).
1854 * @param __n Number of characters in substring (default remainder).
1855 * @return The new string.
1856 * @throw std::out_of_range If pos > size().
1858 * Construct and return a new string using the @a __n
1859 * characters starting at @a __pos. If the string is too
1860 * short, use the remainder of the characters. If @a __pos is
1861 * beyond the end of the string, out_of_range is thrown.
1864 substr(size_type __pos = 0, size_type __n = npos) const
1866 return __versa_string(*this, _M_check(__pos, "__versa_string::substr"),
1871 * @brief Compare to a string.
1872 * @param __str String to compare against.
1873 * @return Integer < 0, 0, or > 0.
1875 * Returns an integer < 0 if this string is ordered before @a
1876 * __str, 0 if their values are equivalent, or > 0 if this
1877 * string is ordered after @a __str. Determines the effective
1878 * length rlen of the strings to compare as the smallest of
1879 * size() and str.size(). The function then compares the two
1880 * strings by calling traits::compare(data(), str.data(),rlen).
1881 * If the result of the comparison is nonzero returns it,
1882 * otherwise the shorter one is ordered first.
1885 compare(const __versa_string& __str) const
1887 if (this->_M_compare(__str))
1890 const size_type __size = this->size();
1891 const size_type __osize = __str.size();
1892 const size_type __len = std::min(__size, __osize);
1894 int __r = traits_type::compare(this->_M_data(), __str.data(), __len);
1896 __r = _S_compare(__size, __osize);
1901 * @brief Compare substring to a string.
1902 * @param __pos Index of first character of substring.
1903 * @param __n Number of characters in substring.
1904 * @param __str String to compare against.
1905 * @return Integer < 0, 0, or > 0.
1907 * Form the substring of this string from the @a __n characters
1908 * starting at @a __pos. Returns an integer < 0 if the
1909 * substring is ordered before @a __str, 0 if their values are
1910 * equivalent, or > 0 if the substring is ordered after @a
1911 * __str. Determines the effective length rlen of the strings
1912 * to compare as the smallest of the length of the substring
1913 * and @a __str.size(). The function then compares the two
1914 * strings by calling
1915 * traits::compare(substring.data(),str.data(),rlen). If the
1916 * result of the comparison is nonzero returns it, otherwise
1917 * the shorter one is ordered first.
1920 compare(size_type __pos, size_type __n,
1921 const __versa_string& __str) const;
1924 * @brief Compare substring to a substring.
1925 * @param __pos1 Index of first character of substring.
1926 * @param __n1 Number of characters in substring.
1927 * @param __str String to compare against.
1928 * @param __pos2 Index of first character of substring of str.
1929 * @param __n2 Number of characters in substring of str.
1930 * @return Integer < 0, 0, or > 0.
1932 * Form the substring of this string from the @a __n1
1933 * characters starting at @a __pos1. Form the substring of @a
1934 * __str from the @a __n2 characters starting at @a __pos2.
1935 * Returns an integer < 0 if this substring is ordered before
1936 * the substring of @a __str, 0 if their values are equivalent,
1937 * or > 0 if this substring is ordered after the substring of
1938 * @a __str. Determines the effective length rlen of the
1939 * strings to compare as the smallest of the lengths of the
1940 * substrings. The function then compares the two strings by
1942 * traits::compare(substring.data(),str.substr(pos2,n2).data(),rlen).
1943 * If the result of the comparison is nonzero returns it,
1944 * otherwise the shorter one is ordered first.
1947 compare(size_type __pos1, size_type __n1, const __versa_string& __str,
1948 size_type __pos2, size_type __n2) const;
1951 * @brief Compare to a C string.
1952 * @param __s C string to compare against.
1953 * @return Integer < 0, 0, or > 0.
1955 * Returns an integer < 0 if this string is ordered before @a
1956 * __s, 0 if their values are equivalent, or > 0 if this string
1957 * is ordered after @a __s. Determines the effective length
1958 * rlen of the strings to compare as the smallest of size() and
1959 * the length of a string constructed from @a __s. The
1960 * function then compares the two strings by calling
1961 * traits::compare(data(),s,rlen). If the result of the
1962 * comparison is nonzero returns it, otherwise the shorter one
1966 compare(const _CharT* __s) const;
1968 // _GLIBCXX_RESOLVE_LIB_DEFECTS
1969 // 5 String::compare specification questionable
1971 * @brief Compare substring to a C string.
1972 * @param __pos Index of first character of substring.
1973 * @param __n1 Number of characters in substring.
1974 * @param __s C string to compare against.
1975 * @return Integer < 0, 0, or > 0.
1977 * Form the substring of this string from the @a __n1
1978 * characters starting at @a __pos. Returns an integer < 0 if
1979 * the substring is ordered before @a __s, 0 if their values
1980 * are equivalent, or > 0 if the substring is ordered after @a
1981 * __s. Determines the effective length rlen of the strings to
1982 * compare as the smallest of the length of the substring and
1983 * the length of a string constructed from @a __s. The
1984 * function then compares the two string by calling
1985 * traits::compare(substring.data(),s,rlen). If the result of
1986 * the comparison is nonzero returns it, otherwise the shorter
1987 * one is ordered first.
1990 compare(size_type __pos, size_type __n1, const _CharT* __s) const;
1993 * @brief Compare substring against a character array.
1994 * @param __pos1 Index of first character of substring.
1995 * @param __n1 Number of characters in substring.
1996 * @param __s character array to compare against.
1997 * @param __n2 Number of characters of s.
1998 * @return Integer < 0, 0, or > 0.
2000 * Form the substring of this string from the @a __n1
2001 * characters starting at @a __pos1. Form a string from the
2002 * first @a __n2 characters of @a __s. Returns an integer < 0
2003 * if this substring is ordered before the string from @a __s,
2004 * 0 if their values are equivalent, or > 0 if this substring
2005 * is ordered after the string from @a __s. Determines the
2006 * effective length rlen of the strings to compare as the
2007 * smallest of the length of the substring and @a __n2. The
2008 * function then compares the two strings by calling
2009 * traits::compare(substring.data(),s,rlen). If the result of
2010 * the comparison is nonzero returns it, otherwise the shorter
2011 * one is ordered first.
2013 * NB: s must have at least n2 characters, '\\0' has no special
2017 compare(size_type __pos, size_type __n1, const _CharT* __s,
2018 size_type __n2) const;
2023 * @brief Concatenate two strings.
2024 * @param __lhs First string.
2025 * @param __rhs Last string.
2026 * @return New string with value of @a __lhs followed by @a __rhs.
2028 template<typename _CharT, typename _Traits, typename _Alloc,
2029 template <typename, typename, typename> class _Base>
2030 __versa_string<_CharT, _Traits, _Alloc, _Base>
2031 operator+(const __versa_string<_CharT, _Traits, _Alloc, _Base>& __lhs,
2032 const __versa_string<_CharT, _Traits, _Alloc, _Base>& __rhs);
2035 * @brief Concatenate C string and string.
2036 * @param __lhs First string.
2037 * @param __rhs Last string.
2038 * @return New string with value of @a __lhs followed by @a __rhs.
2040 template<typename _CharT, typename _Traits, typename _Alloc,
2041 template <typename, typename, typename> class _Base>
2042 __versa_string<_CharT, _Traits, _Alloc, _Base>
2043 operator+(const _CharT* __lhs,
2044 const __versa_string<_CharT, _Traits, _Alloc, _Base>& __rhs);
2047 * @brief Concatenate character and string.
2048 * @param __lhs First string.
2049 * @param __rhs Last string.
2050 * @return New string with @a __lhs followed by @a __rhs.
2052 template<typename _CharT, typename _Traits, typename _Alloc,
2053 template <typename, typename, typename> class _Base>
2054 __versa_string<_CharT, _Traits, _Alloc, _Base>
2055 operator+(_CharT __lhs,
2056 const __versa_string<_CharT, _Traits, _Alloc, _Base>& __rhs);
2059 * @brief Concatenate string and C string.
2060 * @param __lhs First string.
2061 * @param __rhs Last string.
2062 * @return New string with @a __lhs followed by @a __rhs.
2064 template<typename _CharT, typename _Traits, typename _Alloc,
2065 template <typename, typename, typename> class _Base>
2066 __versa_string<_CharT, _Traits, _Alloc, _Base>
2067 operator+(const __versa_string<_CharT, _Traits, _Alloc, _Base>& __lhs,
2068 const _CharT* __rhs);
2071 * @brief Concatenate string and character.
2072 * @param __lhs First string.
2073 * @param __rhs Last string.
2074 * @return New string with @a __lhs followed by @a __rhs.
2076 template<typename _CharT, typename _Traits, typename _Alloc,
2077 template <typename, typename, typename> class _Base>
2078 __versa_string<_CharT, _Traits, _Alloc, _Base>
2079 operator+(const __versa_string<_CharT, _Traits, _Alloc, _Base>& __lhs,
2084 * @brief Test equivalence of two strings.
2085 * @param __lhs First string.
2086 * @param __rhs Second string.
2087 * @return True if @a __lhs.compare(@a __rhs) == 0. False otherwise.
2089 template<typename _CharT, typename _Traits, typename _Alloc,
2090 template <typename, typename, typename> class _Base>
2092 operator==(const __versa_string<_CharT, _Traits, _Alloc, _Base>& __lhs,
2093 const __versa_string<_CharT, _Traits, _Alloc, _Base>& __rhs)
2094 { return __lhs.compare(__rhs) == 0; }
2096 template<typename _CharT,
2097 template <typename, typename, typename> class _Base>
2098 inline typename __enable_if<std::__is_char<_CharT>::__value, bool>::__type
2099 operator==(const __versa_string<_CharT, std::char_traits<_CharT>,
2100 std::allocator<_CharT>, _Base>& __lhs,
2101 const __versa_string<_CharT, std::char_traits<_CharT>,
2102 std::allocator<_CharT>, _Base>& __rhs)
2103 { return (__lhs.size() == __rhs.size()
2104 && !std::char_traits<_CharT>::compare(__lhs.data(), __rhs.data(),
2108 * @brief Test equivalence of C string and string.
2109 * @param __lhs C string.
2110 * @param __rhs String.
2111 * @return True if @a __rhs.compare(@a __lhs) == 0. False otherwise.
2113 template<typename _CharT, typename _Traits, typename _Alloc,
2114 template <typename, typename, typename> class _Base>
2116 operator==(const _CharT* __lhs,
2117 const __versa_string<_CharT, _Traits, _Alloc, _Base>& __rhs)
2118 { return __rhs.compare(__lhs) == 0; }
2121 * @brief Test equivalence of string and C string.
2122 * @param __lhs String.
2123 * @param __rhs C string.
2124 * @return True if @a __lhs.compare(@a __rhs) == 0. False otherwise.
2126 template<typename _CharT, typename _Traits, typename _Alloc,
2127 template <typename, typename, typename> class _Base>
2129 operator==(const __versa_string<_CharT, _Traits, _Alloc, _Base>& __lhs,
2130 const _CharT* __rhs)
2131 { return __lhs.compare(__rhs) == 0; }
2135 * @brief Test difference of two strings.
2136 * @param __lhs First string.
2137 * @param __rhs Second string.
2138 * @return True if @a __lhs.compare(@a __rhs) != 0. False otherwise.
2140 template<typename _CharT, typename _Traits, typename _Alloc,
2141 template <typename, typename, typename> class _Base>
2143 operator!=(const __versa_string<_CharT, _Traits, _Alloc, _Base>& __lhs,
2144 const __versa_string<_CharT, _Traits, _Alloc, _Base>& __rhs)
2145 { return !(__lhs == __rhs); }
2148 * @brief Test difference of C string and string.
2149 * @param __lhs C string.
2150 * @param __rhs String.
2151 * @return True if @a __rhs.compare(@a __lhs) != 0. False otherwise.
2153 template<typename _CharT, typename _Traits, typename _Alloc,
2154 template <typename, typename, typename> class _Base>
2156 operator!=(const _CharT* __lhs,
2157 const __versa_string<_CharT, _Traits, _Alloc, _Base>& __rhs)
2158 { return !(__lhs == __rhs); }
2161 * @brief Test difference of string and C string.
2162 * @param __lhs String.
2163 * @param __rhs C string.
2164 * @return True if @a __lhs.compare(@a __rhs) != 0. False otherwise.
2166 template<typename _CharT, typename _Traits, typename _Alloc,
2167 template <typename, typename, typename> class _Base>
2169 operator!=(const __versa_string<_CharT, _Traits, _Alloc, _Base>& __lhs,
2170 const _CharT* __rhs)
2171 { return !(__lhs == __rhs); }
2175 * @brief Test if string precedes string.
2176 * @param __lhs First string.
2177 * @param __rhs Second string.
2178 * @return True if @a __lhs precedes @a __rhs. False otherwise.
2180 template<typename _CharT, typename _Traits, typename _Alloc,
2181 template <typename, typename, typename> class _Base>
2183 operator<(const __versa_string<_CharT, _Traits, _Alloc, _Base>& __lhs,
2184 const __versa_string<_CharT, _Traits, _Alloc, _Base>& __rhs)
2185 { return __lhs.compare(__rhs) < 0; }
2188 * @brief Test if string precedes C string.
2189 * @param __lhs String.
2190 * @param __rhs C string.
2191 * @return True if @a __lhs precedes @a __rhs. False otherwise.
2193 template<typename _CharT, typename _Traits, typename _Alloc,
2194 template <typename, typename, typename> class _Base>
2196 operator<(const __versa_string<_CharT, _Traits, _Alloc, _Base>& __lhs,
2197 const _CharT* __rhs)
2198 { return __lhs.compare(__rhs) < 0; }
2201 * @brief Test if C string precedes string.
2202 * @param __lhs C string.
2203 * @param __rhs String.
2204 * @return True if @a __lhs precedes @a __rhs. False otherwise.
2206 template<typename _CharT, typename _Traits, typename _Alloc,
2207 template <typename, typename, typename> class _Base>
2209 operator<(const _CharT* __lhs,
2210 const __versa_string<_CharT, _Traits, _Alloc, _Base>& __rhs)
2211 { return __rhs.compare(__lhs) > 0; }
2215 * @brief Test if string follows string.
2216 * @param __lhs First string.
2217 * @param __rhs Second string.
2218 * @return True if @a __lhs follows @a __rhs. False otherwise.
2220 template<typename _CharT, typename _Traits, typename _Alloc,
2221 template <typename, typename, typename> class _Base>
2223 operator>(const __versa_string<_CharT, _Traits, _Alloc, _Base>& __lhs,
2224 const __versa_string<_CharT, _Traits, _Alloc, _Base>& __rhs)
2225 { return __lhs.compare(__rhs) > 0; }
2228 * @brief Test if string follows C string.
2229 * @param __lhs String.
2230 * @param __rhs C string.
2231 * @return True if @a __lhs follows @a __rhs. False otherwise.
2233 template<typename _CharT, typename _Traits, typename _Alloc,
2234 template <typename, typename, typename> class _Base>
2236 operator>(const __versa_string<_CharT, _Traits, _Alloc, _Base>& __lhs,
2237 const _CharT* __rhs)
2238 { return __lhs.compare(__rhs) > 0; }
2241 * @brief Test if C string follows string.
2242 * @param __lhs C string.
2243 * @param __rhs String.
2244 * @return True if @a __lhs follows @a __rhs. False otherwise.
2246 template<typename _CharT, typename _Traits, typename _Alloc,
2247 template <typename, typename, typename> class _Base>
2249 operator>(const _CharT* __lhs,
2250 const __versa_string<_CharT, _Traits, _Alloc, _Base>& __rhs)
2251 { return __rhs.compare(__lhs) < 0; }
2255 * @brief Test if string doesn't follow string.
2256 * @param __lhs First string.
2257 * @param __rhs Second string.
2258 * @return True if @a __lhs doesn't follow @a __rhs. False otherwise.
2260 template<typename _CharT, typename _Traits, typename _Alloc,
2261 template <typename, typename, typename> class _Base>
2263 operator<=(const __versa_string<_CharT, _Traits, _Alloc, _Base>& __lhs,
2264 const __versa_string<_CharT, _Traits, _Alloc, _Base>& __rhs)
2265 { return __lhs.compare(__rhs) <= 0; }
2268 * @brief Test if string doesn't follow C string.
2269 * @param __lhs String.
2270 * @param __rhs C string.
2271 * @return True if @a __lhs doesn't follow @a __rhs. False otherwise.
2273 template<typename _CharT, typename _Traits, typename _Alloc,
2274 template <typename, typename, typename> class _Base>
2276 operator<=(const __versa_string<_CharT, _Traits, _Alloc, _Base>& __lhs,
2277 const _CharT* __rhs)
2278 { return __lhs.compare(__rhs) <= 0; }
2281 * @brief Test if C string doesn't follow string.
2282 * @param __lhs C string.
2283 * @param __rhs String.
2284 * @return True if @a __lhs doesn't follow @a __rhs. False otherwise.
2286 template<typename _CharT, typename _Traits, typename _Alloc,
2287 template <typename, typename, typename> class _Base>
2289 operator<=(const _CharT* __lhs,
2290 const __versa_string<_CharT, _Traits, _Alloc, _Base>& __rhs)
2291 { return __rhs.compare(__lhs) >= 0; }
2295 * @brief Test if string doesn't precede string.
2296 * @param __lhs First string.
2297 * @param __rhs Second string.
2298 * @return True if @a __lhs doesn't precede @a __rhs. False otherwise.
2300 template<typename _CharT, typename _Traits, typename _Alloc,
2301 template <typename, typename, typename> class _Base>
2303 operator>=(const __versa_string<_CharT, _Traits, _Alloc, _Base>& __lhs,
2304 const __versa_string<_CharT, _Traits, _Alloc, _Base>& __rhs)
2305 { return __lhs.compare(__rhs) >= 0; }
2308 * @brief Test if string doesn't precede C string.
2309 * @param __lhs String.
2310 * @param __rhs C string.
2311 * @return True if @a __lhs doesn't precede @a __rhs. False otherwise.
2313 template<typename _CharT, typename _Traits, typename _Alloc,
2314 template <typename, typename, typename> class _Base>
2316 operator>=(const __versa_string<_CharT, _Traits, _Alloc, _Base>& __lhs,
2317 const _CharT* __rhs)
2318 { return __lhs.compare(__rhs) >= 0; }
2321 * @brief Test if C string doesn't precede string.
2322 * @param __lhs C string.
2323 * @param __rhs String.
2324 * @return True if @a __lhs doesn't precede @a __rhs. False otherwise.
2326 template<typename _CharT, typename _Traits, typename _Alloc,
2327 template <typename, typename, typename> class _Base>
2329 operator>=(const _CharT* __lhs,
2330 const __versa_string<_CharT, _Traits, _Alloc, _Base>& __rhs)
2331 { return __rhs.compare(__lhs) <= 0; }
2334 * @brief Swap contents of two strings.
2335 * @param __lhs First string.
2336 * @param __rhs Second string.
2338 * Exchanges the contents of @a __lhs and @a __rhs in constant time.
2340 template<typename _CharT, typename _Traits, typename _Alloc,
2341 template <typename, typename, typename> class _Base>
2343 swap(__versa_string<_CharT, _Traits, _Alloc, _Base>& __lhs,
2344 __versa_string<_CharT, _Traits, _Alloc, _Base>& __rhs)
2345 { __lhs.swap(__rhs); }
2347 _GLIBCXX_END_NAMESPACE
2349 _GLIBCXX_BEGIN_NAMESPACE(std)
2352 * @brief Read stream into a string.
2353 * @param __is Input stream.
2354 * @param __str Buffer to store into.
2355 * @return Reference to the input stream.
2357 * Stores characters from @a __is into @a __str until whitespace is
2358 * found, the end of the stream is encountered, or str.max_size()
2359 * is reached. If is.width() is non-zero, that is the limit on the
2360 * number of characters stored into @a __str. Any previous
2361 * contents of @a __str are erased.
2363 template<typename _CharT, typename _Traits, typename _Alloc,
2364 template <typename, typename, typename> class _Base>
2365 basic_istream<_CharT, _Traits>&
2366 operator>>(basic_istream<_CharT, _Traits>& __is,
2367 __gnu_cxx::__versa_string<_CharT, _Traits,
2368 _Alloc, _Base>& __str);
2371 * @brief Write string to a stream.
2372 * @param __os Output stream.
2373 * @param __str String to write out.
2374 * @return Reference to the output stream.
2376 * Output characters of @a __str into os following the same rules as for
2377 * writing a C string.
2379 template<typename _CharT, typename _Traits, typename _Alloc,
2380 template <typename, typename, typename> class _Base>
2381 inline basic_ostream<_CharT, _Traits>&
2382 operator<<(basic_ostream<_CharT, _Traits>& __os,
2383 const __gnu_cxx::__versa_string<_CharT, _Traits, _Alloc,
2386 // _GLIBCXX_RESOLVE_LIB_DEFECTS
2387 // 586. string inserter not a formatted function
2388 return __ostream_insert(__os, __str.data(), __str.size());
2392 * @brief Read a line from stream into a string.
2393 * @param __is Input stream.
2394 * @param __str Buffer to store into.
2395 * @param __delim Character marking end of line.
2396 * @return Reference to the input stream.
2398 * Stores characters from @a __is into @a __str until @a __delim is
2399 * found, the end of the stream is encountered, or str.max_size()
2400 * is reached. If is.width() is non-zero, that is the limit on the
2401 * number of characters stored into @a __str. Any previous
2402 * contents of @a __str are erased. If @a delim was encountered,
2403 * it is extracted but not stored into @a __str.
2405 template<typename _CharT, typename _Traits, typename _Alloc,
2406 template <typename, typename, typename> class _Base>
2407 basic_istream<_CharT, _Traits>&
2408 getline(basic_istream<_CharT, _Traits>& __is,
2409 __gnu_cxx::__versa_string<_CharT, _Traits, _Alloc, _Base>& __str,
2413 * @brief Read a line from stream into a string.
2414 * @param __is Input stream.
2415 * @param __str Buffer to store into.
2416 * @return Reference to the input stream.
2418 * Stores characters from is into @a __str until '\n' is found, the
2419 * end of the stream is encountered, or str.max_size() is reached.
2420 * If is.width() is non-zero, that is the limit on the number of
2421 * characters stored into @a __str. Any previous contents of @a
2422 * __str are erased. If end of line was encountered, it is
2423 * extracted but not stored into @a __str.
2425 template<typename _CharT, typename _Traits, typename _Alloc,
2426 template <typename, typename, typename> class _Base>
2427 inline basic_istream<_CharT, _Traits>&
2428 getline(basic_istream<_CharT, _Traits>& __is,
2429 __gnu_cxx::__versa_string<_CharT, _Traits, _Alloc, _Base>& __str)
2430 { return getline(__is, __str, __is.widen('\n')); }
2432 _GLIBCXX_END_NAMESPACE
2434 #if (defined(__GXX_EXPERIMENTAL_CXX0X__) && defined(_GLIBCXX_USE_C99))
2436 #include <ext/string_conversions.h>
2438 _GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
2440 // 21.4 Numeric Conversions [string.conversions].
2442 stoi(const __vstring& __str, std::size_t* __idx = 0, int __base = 10)
2443 { return __gnu_cxx::__stoa<long, int>(&std::strtol, "stoi", __str.c_str(),
2447 stol(const __vstring& __str, std::size_t* __idx = 0, int __base = 10)
2448 { return __gnu_cxx::__stoa(&std::strtol, "stol", __str.c_str(),
2451 inline unsigned long
2452 stoul(const __vstring& __str, std::size_t* __idx = 0, int __base = 10)
2453 { return __gnu_cxx::__stoa(&std::strtoul, "stoul", __str.c_str(),
2457 stoll(const __vstring& __str, std::size_t* __idx = 0, int __base = 10)
2458 { return __gnu_cxx::__stoa(&std::strtoll, "stoll", __str.c_str(),
2461 inline unsigned long long
2462 stoull(const __vstring& __str, std::size_t* __idx, int __base = 10)
2463 { return __gnu_cxx::__stoa(&std::strtoull, "stoull", __str.c_str(),
2466 // NB: strtof vs strtod.
2468 stof(const __vstring& __str, std::size_t* __idx = 0)
2469 { return __gnu_cxx::__stoa(&std::strtof, "stof", __str.c_str(), __idx); }
2472 stod(const __vstring& __str, std::size_t* __idx = 0)
2473 { return __gnu_cxx::__stoa(&std::strtod, "stod", __str.c_str(), __idx); }
2476 stold(const __vstring& __str, std::size_t* __idx = 0)
2477 { return __gnu_cxx::__stoa(&std::strtold, "stold", __str.c_str(), __idx); }
2479 // NB: (v)snprintf vs sprintf.
2483 to_string(int __val)
2484 { return __gnu_cxx::__to_xstring<__vstring>(&std::vsnprintf, 4 * sizeof(int),
2488 to_string(unsigned __val)
2489 { return __gnu_cxx::__to_xstring<__vstring>(&std::vsnprintf,
2490 4 * sizeof(unsigned),
2494 to_string(long __val)
2495 { return __gnu_cxx::__to_xstring<__vstring>(&std::vsnprintf,
2500 to_string(unsigned long __val)
2501 { return __gnu_cxx::__to_xstring<__vstring>(&std::vsnprintf,
2502 4 * sizeof(unsigned long),
2507 to_string(long long __val)
2508 { return __gnu_cxx::__to_xstring<__vstring>(&std::vsnprintf,
2509 4 * sizeof(long long),
2513 to_string(unsigned long long __val)
2514 { return __gnu_cxx::__to_xstring<__vstring>(&std::vsnprintf,
2515 4 * sizeof(unsigned long long),
2519 to_string(float __val)
2521 const int __n = __numeric_traits<float>::__max_exponent10 + 20;
2522 return __gnu_cxx::__to_xstring<__vstring>(&std::vsnprintf, __n,
2527 to_string(double __val)
2529 const int __n = __numeric_traits<double>::__max_exponent10 + 20;
2530 return __gnu_cxx::__to_xstring<__vstring>(&std::vsnprintf, __n,
2535 to_string(long double __val)
2537 const int __n = __numeric_traits<long double>::__max_exponent10 + 20;
2538 return __gnu_cxx::__to_xstring<__vstring>(&std::vsnprintf, __n,
2542 #ifdef _GLIBCXX_USE_WCHAR_T
2544 stoi(const __wvstring& __str, std::size_t* __idx = 0, int __base = 10)
2545 { return __gnu_cxx::__stoa<long, int>(&std::wcstol, "stoi", __str.c_str(),
2549 stol(const __wvstring& __str, std::size_t* __idx = 0, int __base = 10)
2550 { return __gnu_cxx::__stoa(&std::wcstol, "stol", __str.c_str(),
2553 inline unsigned long
2554 stoul(const __wvstring& __str, std::size_t* __idx = 0, int __base = 10)
2555 { return __gnu_cxx::__stoa(&std::wcstoul, "stoul", __str.c_str(),
2559 stoll(const __wvstring& __str, std::size_t* __idx = 0, int __base = 10)
2560 { return __gnu_cxx::__stoa(&std::wcstoll, "stoll", __str.c_str(),
2563 inline unsigned long long
2564 stoull(const __wvstring& __str, std::size_t* __idx = 0, int __base = 10)
2565 { return __gnu_cxx::__stoa(&std::wcstoull, "stoull", __str.c_str(),
2568 // NB: wcstof vs wcstod.
2570 stof(const __wvstring& __str, std::size_t* __idx = 0)
2571 { return __gnu_cxx::__stoa(&std::wcstof, "stof", __str.c_str(), __idx); }
2574 stod(const __wvstring& __str, std::size_t* __idx = 0)
2575 { return __gnu_cxx::__stoa(&std::wcstod, "stod", __str.c_str(), __idx); }
2578 stold(const __wvstring& __str, std::size_t* __idx = 0)
2579 { return __gnu_cxx::__stoa(&std::wcstold, "stold", __str.c_str(), __idx); }
2581 #ifndef _GLIBCXX_HAVE_BROKEN_VSWPRINTF
2584 to_wstring(int __val)
2585 { return __gnu_cxx::__to_xstring<__wvstring>(&std::vswprintf,
2590 to_wstring(unsigned __val)
2591 { return __gnu_cxx::__to_xstring<__wvstring>(&std::vswprintf,
2592 4 * sizeof(unsigned),
2596 to_wstring(long __val)
2597 { return __gnu_cxx::__to_xstring<__wvstring>(&std::vswprintf,
2602 to_wstring(unsigned long __val)
2603 { return __gnu_cxx::__to_xstring<__wvstring>(&std::vswprintf,
2604 4 * sizeof(unsigned long),
2608 to_wstring(long long __val)
2609 { return __gnu_cxx::__to_xstring<__wvstring>(&std::vswprintf,
2610 4 * sizeof(long long),
2614 to_wstring(unsigned long long __val)
2615 { return __gnu_cxx::__to_xstring<__wvstring>(&std::vswprintf,
2616 4 * sizeof(unsigned long long),
2620 to_wstring(float __val)
2622 const int __n = __numeric_traits<float>::__max_exponent10 + 20;
2623 return __gnu_cxx::__to_xstring<__wvstring>(&std::vswprintf, __n,
2628 to_wstring(double __val)
2630 const int __n = __numeric_traits<double>::__max_exponent10 + 20;
2631 return __gnu_cxx::__to_xstring<__wvstring>(&std::vswprintf, __n,
2636 to_wstring(long double __val)
2638 const int __n = __numeric_traits<long double>::__max_exponent10 + 20;
2639 return __gnu_cxx::__to_xstring<__wvstring>(&std::vswprintf, __n,
2645 _GLIBCXX_END_NAMESPACE
2649 #ifndef _GLIBCXX_EXPORT_TEMPLATE
2650 # include "vstring.tcc"
2653 #endif /* _VSTRING_H */