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Edit File: vstring.h

// Versatile string -*- C++ -*- // Copyright (C) 2005-2021 Free Software Foundation, Inc. // // This file is part of the GNU ISO C++ Library. This library is free // software; you can redistribute it and/or modify it under the // terms of the GNU General Public License as published by the // Free Software Foundation; either version 3, or (at your option) // any later version. // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // Under Section 7 of GPL version 3, you are granted additional // permissions described in the GCC Runtime Library Exception, version // 3.1, as published by the Free Software Foundation. // You should have received a copy of the GNU General Public License and // a copy of the GCC Runtime Library Exception along with this program; // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see // <http://www.gnu.org/licenses/>. /** @file ext/vstring.h * This file is a GNU extension to the Standard C++ Library. */ #ifndef _VSTRING_H #define _VSTRING_H 1 #pragma GCC system_header #if __cplusplus >= 201103L #include <initializer_list> #endif #include <ext/vstring_util.h> #include <ext/rc_string_base.h> #include <ext/sso_string_base.h> namespace __gnu_cxx _GLIBCXX_VISIBILITY(default) { _GLIBCXX_BEGIN_NAMESPACE_VERSION /** * @class __versa_string vstring.h * @brief Template class __versa_string. * @ingroup extensions * * Data structure managing sequences of characters and * character-like objects. */ template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> class __versa_string : private _Base<_CharT, _Traits, _Alloc> { typedef _Base<_CharT, _Traits, _Alloc> __vstring_base; typedef typename __vstring_base::_CharT_alloc_type _CharT_alloc_type; typedef __alloc_traits<_CharT_alloc_type> _CharT_alloc_traits; // Types: public: typedef _Traits traits_type; typedef typename _Traits::char_type value_type; typedef _Alloc allocator_type; typedef typename _CharT_alloc_type::size_type size_type; typedef typename _CharT_alloc_type::difference_type difference_type; typedef value_type& reference; typedef const value_type& const_reference; typedef typename _CharT_alloc_traits::pointer pointer; typedef typename _CharT_alloc_traits::const_pointer const_pointer; typedef __gnu_cxx::__normal_iterator<pointer, __versa_string> iterator; typedef __gnu_cxx::__normal_iterator<const_pointer, __versa_string> const_iterator; typedef std::reverse_iterator<const_iterator> const_reverse_iterator; typedef std::reverse_iterator<iterator> reverse_iterator; // Data Member (public): /// Value returned by various member functions when they fail. static const size_type npos = static_cast<size_type>(-1); private: size_type _M_check(size_type __pos, const char* __s) const { if (__pos > this->size()) std::__throw_out_of_range_fmt(__N("%s: __pos (which is %zu) > " "this->size() (which is %zu)"), __s, __pos, this->size()); return __pos; } void _M_check_length(size_type __n1, size_type __n2, const char* __s) const { if (this->max_size() - (this->size() - __n1) < __n2) std::__throw_length_error(__N(__s)); } // NB: _M_limit doesn't check for a bad __pos value. size_type _M_limit(size_type __pos, size_type __off) const _GLIBCXX_NOEXCEPT { const bool __testoff = __off < this->size() - __pos; return __testoff ? __off : this->size() - __pos; } // True if _Rep and source do not overlap. bool _M_disjunct(const _CharT* __s) const _GLIBCXX_NOEXCEPT { return (std::less<const _CharT*>()(__s, this->_M_data()) || std::less<const _CharT*>()(this->_M_data() + this->size(), __s)); } // For the internal use we have functions similar to `begin'/`end' // but they do not call _M_leak. iterator _M_ibegin() const _GLIBCXX_NOEXCEPT { return iterator(this->_M_data()); } iterator _M_iend() const _GLIBCXX_NOEXCEPT { return iterator(this->_M_data() + this->_M_length()); } public: // Construct/copy/destroy: // NB: We overload ctors in some cases instead of using default // arguments, per 17.4.4.4 para. 2 item 2. /** * @brief Construct an empty string using allocator @a a. */ explicit __versa_string(const _Alloc& __a = _Alloc()) _GLIBCXX_NOEXCEPT : __vstring_base(__a) { } // NB: per LWG issue 42, semantics different from IS: /** * @brief Construct string with copy of value of @a __str. * @param __str Source string. */ __versa_string(const __versa_string& __str) : __vstring_base(__str) { } #if __cplusplus >= 201103L /** * @brief String move constructor. * @param __str Source string. * * The newly-constructed %string contains the exact contents of * @a __str. The contents of @a __str are a valid, but unspecified * string. */ __versa_string(__versa_string&& __str) noexcept : __vstring_base(std::move(__str)) { } /** * @brief Construct string from an initializer list. * @param __l std::initializer_list of characters. * @param __a Allocator to use (default is default allocator). */ __versa_string(std::initializer_list<_CharT> __l, const _Alloc& __a = _Alloc()) : __vstring_base(__l.begin(), __l.end(), __a) { } #endif /** * @brief Construct string as copy of a substring. * @param __str Source string. * @param __pos Index of first character to copy from. * @param __n Number of characters to copy (default remainder). */ __versa_string(const __versa_string& __str, size_type __pos, size_type __n = npos) : __vstring_base(__str._M_data() + __str._M_check(__pos, "__versa_string::__versa_string"), __str._M_data() + __str._M_limit(__pos, __n) + __pos, _Alloc()) { } /** * @brief Construct string as copy of a substring. * @param __str Source string. * @param __pos Index of first character to copy from. * @param __n Number of characters to copy. * @param __a Allocator to use. */ __versa_string(const __versa_string& __str, size_type __pos, size_type __n, const _Alloc& __a) : __vstring_base(__str._M_data() + __str._M_check(__pos, "__versa_string::__versa_string"), __str._M_data() + __str._M_limit(__pos, __n) + __pos, __a) { } /** * @brief Construct string initialized by a character array. * @param __s Source character array. * @param __n Number of characters to copy. * @param __a Allocator to use (default is default allocator). * * NB: @a __s must have at least @a __n characters, '\\0' has no special * meaning. */ __versa_string(const _CharT* __s, size_type __n, const _Alloc& __a = _Alloc()) : __vstring_base(__s, __s + __n, __a) { } /** * @brief Construct string as copy of a C string. * @param __s Source C string. * @param __a Allocator to use (default is default allocator). */ __versa_string(const _CharT* __s, const _Alloc& __a = _Alloc()) : __vstring_base(__s, __s ? __s + traits_type::length(__s) : __s + npos, __a) { } /** * @brief Construct string as multiple characters. * @param __n Number of characters. * @param __c Character to use. * @param __a Allocator to use (default is default allocator). */ __versa_string(size_type __n, _CharT __c, const _Alloc& __a = _Alloc()) : __vstring_base(__n, __c, __a) { } /** * @brief Construct string as copy of a range. * @param __beg Start of range. * @param __end End of range. * @param __a Allocator to use (default is default allocator). */ #if __cplusplus >= 201103L template<class _InputIterator, typename = std::_RequireInputIter<_InputIterator>> #else template<class _InputIterator> #endif __versa_string(_InputIterator __beg, _InputIterator __end, const _Alloc& __a = _Alloc()) : __vstring_base(__beg, __end, __a) { } /** * @brief Destroy the string instance. */ ~__versa_string() _GLIBCXX_NOEXCEPT { } /** * @brief Assign the value of @a str to this string. * @param __str Source string. */ __versa_string& operator=(const __versa_string& __str) { return this->assign(__str); } #if __cplusplus >= 201103L /** * @brief String move assignment operator. * @param __str Source string. * * The contents of @a __str are moved into this string (without * copying). @a __str is a valid, but unspecified string. */ __versa_string& operator=(__versa_string&& __str) noexcept { // NB: DR 1204. this->swap(__str); return *this; } /** * @brief Set value to string constructed from initializer list. * @param __l std::initializer_list. */ __versa_string& operator=(std::initializer_list<_CharT> __l) { this->assign(__l.begin(), __l.end()); return *this; } #endif /** * @brief Copy contents of @a __s into this string. * @param __s Source null-terminated string. */ __versa_string& operator=(const _CharT* __s) { return this->assign(__s); } /** * @brief Set value to string of length 1. * @param __c Source character. * * Assigning to a character makes this string length 1 and * (*this)[0] == @a __c. */ __versa_string& operator=(_CharT __c) { this->assign(1, __c); return *this; } // Iterators: /** * Returns a read/write iterator that points to the first character in * the %string. Unshares the string. */ iterator begin() _GLIBCXX_NOEXCEPT { this->_M_leak(); return iterator(this->_M_data()); } /** * Returns a read-only (constant) iterator that points to the first * character in the %string. */ const_iterator begin() const _GLIBCXX_NOEXCEPT { return const_iterator(this->_M_data()); } /** * Returns a read/write iterator that points one past the last * character in the %string. Unshares the string. */ iterator end() _GLIBCXX_NOEXCEPT { this->_M_leak(); return iterator(this->_M_data() + this->size()); } /** * Returns a read-only (constant) iterator that points one past the * last character in the %string. */ const_iterator end() const _GLIBCXX_NOEXCEPT { return const_iterator(this->_M_data() + this->size()); } /** * Returns a read/write reverse iterator that points to the last * character in the %string. Iteration is done in reverse element * order. Unshares the string. */ reverse_iterator rbegin() _GLIBCXX_NOEXCEPT { return reverse_iterator(this->end()); } /** * Returns a read-only (constant) reverse iterator that points * to the last character in the %string. Iteration is done in * reverse element order. */ const_reverse_iterator rbegin() const _GLIBCXX_NOEXCEPT { return const_reverse_iterator(this->end()); } /** * Returns a read/write reverse iterator that points to one before the * first character in the %string. Iteration is done in reverse * element order. Unshares the string. */ reverse_iterator rend() _GLIBCXX_NOEXCEPT { return reverse_iterator(this->begin()); } /** * Returns a read-only (constant) reverse iterator that points * to one before the first character in the %string. Iteration * is done in reverse element order. */ const_reverse_iterator rend() const _GLIBCXX_NOEXCEPT { return const_reverse_iterator(this->begin()); } #if __cplusplus >= 201103L /** * Returns a read-only (constant) iterator that points to the first * character in the %string. */ const_iterator cbegin() const noexcept { return const_iterator(this->_M_data()); } /** * Returns a read-only (constant) iterator that points one past the * last character in the %string. */ const_iterator cend() const noexcept { return const_iterator(this->_M_data() + this->size()); } /** * Returns a read-only (constant) reverse iterator that points * to the last character in the %string. Iteration is done in * reverse element order. */ const_reverse_iterator crbegin() const noexcept { return const_reverse_iterator(this->end()); } /** * Returns a read-only (constant) reverse iterator that points * to one before the first character in the %string. Iteration * is done in reverse element order. */ const_reverse_iterator crend() const noexcept { return const_reverse_iterator(this->begin()); } #endif public: // Capacity: /// Returns the number of characters in the string, not including any /// null-termination. size_type size() const _GLIBCXX_NOEXCEPT { return this->_M_length(); } /// Returns the number of characters in the string, not including any /// null-termination. size_type length() const _GLIBCXX_NOEXCEPT { return this->_M_length(); } /// Returns the size() of the largest possible %string. size_type max_size() const _GLIBCXX_NOEXCEPT { return this->_M_max_size(); } /** * @brief Resizes the %string to the specified number of characters. * @param __n Number of characters the %string should contain. * @param __c Character to fill any new elements. * * This function will %resize the %string to the specified * number of characters. If the number is smaller than the * %string's current size the %string is truncated, otherwise * the %string is extended and new elements are set to @a __c. */ void resize(size_type __n, _CharT __c); /** * @brief Resizes the %string to the specified number of characters. * @param __n Number of characters the %string should contain. * * This function will resize the %string to the specified * length. If the new size is smaller than the %string's * current size the %string is truncated, otherwise the %string * is extended and new characters are default-constructed. For * basic types such as char, this means setting them to 0. */ void resize(size_type __n) { this->resize(__n, _CharT()); } #if __cplusplus >= 201103L /// A non-binding request to reduce capacity() to size(). void shrink_to_fit() noexcept { if (capacity() > size()) { __try { this->reserve(0); } __catch(...) { } } } #endif /** * Returns the total number of characters that the %string can * hold before needing to allocate more memory. */ size_type capacity() const _GLIBCXX_NOEXCEPT { return this->_M_capacity(); } /** * @brief Attempt to preallocate enough memory for specified number of * characters. * @param __res_arg Number of characters required. * @throw std::length_error If @a __res_arg exceeds @c max_size(). * * This function attempts to reserve enough memory for the * %string to hold the specified number of characters. If the * number requested is more than max_size(), length_error is * thrown. * * The advantage of this function is that if optimal code is a * necessity and the user can determine the string length that * will be required, the user can reserve the memory in * %advance, and thus prevent a possible reallocation of memory * and copying of %string data. */ void reserve(size_type __res_arg = 0) { this->_M_reserve(__res_arg); } /** * Erases the string, making it empty. */ void clear() _GLIBCXX_NOEXCEPT { this->_M_clear(); } /** * Returns true if the %string is empty. Equivalent to * <code>*this == ""</code>. */ _GLIBCXX_NODISCARD bool empty() const _GLIBCXX_NOEXCEPT { return this->size() == 0; } // Element access: /** * @brief Subscript access to the data contained in the %string. * @param __pos The index of the character to access. * @return Read-only (constant) reference to the character. * * This operator allows for easy, array-style, data access. * Note that data access with this operator is unchecked and * out_of_range lookups are not defined. (For checked lookups * see at().) */ const_reference operator[] (size_type __pos) const _GLIBCXX_NOEXCEPT { __glibcxx_assert(__pos <= this->size()); return this->_M_data()[__pos]; } /** * @brief Subscript access to the data contained in the %string. * @param __pos The index of the character to access. * @return Read/write reference to the character. * * This operator allows for easy, array-style, data access. * Note that data access with this operator is unchecked and * out_of_range lookups are not defined. (For checked lookups * see at().) Unshares the string. */ reference operator[](size_type __pos) _GLIBCXX_NOEXCEPT { // Allow pos == size() both in C++98 mode, as v3 extension, // and in C++11 mode. __glibcxx_assert(__pos <= this->size()); // In pedantic mode be strict in C++98 mode. _GLIBCXX_DEBUG_PEDASSERT(__cplusplus >= 201103L || __pos < this->size()); this->_M_leak(); return this->_M_data()[__pos]; } /** * @brief Provides access to the data contained in the %string. * @param __n The index of the character to access. * @return Read-only (const) reference to the character. * @throw std::out_of_range If @a __n is an invalid index. * * This function provides for safer data access. The parameter * is first checked that it is in the range of the string. The * function throws out_of_range if the check fails. */ const_reference at(size_type __n) const { if (__n >= this->size()) std::__throw_out_of_range_fmt(__N("__versa_string::at: __n " "(which is %zu) >= this->size() " "(which is %zu)"), __n, this->size()); return this->_M_data()[__n]; } /** * @brief Provides access to the data contained in the %string. * @param __n The index of the character to access. * @return Read/write reference to the character. * @throw std::out_of_range If @a __n is an invalid index. * * This function provides for safer data access. The parameter * is first checked that it is in the range of the string. The * function throws out_of_range if the check fails. Success * results in unsharing the string. */ reference at(size_type __n) { if (__n >= this->size()) std::__throw_out_of_range_fmt(__N("__versa_string::at: __n " "(which is %zu) >= this->size() " "(which is %zu)"), __n, this->size()); this->_M_leak(); return this->_M_data()[__n]; } #if __cplusplus >= 201103L /** * Returns a read/write reference to the data at the first * element of the %string. */ reference front() noexcept { return operator[](0); } /** * Returns a read-only (constant) reference to the data at the first * element of the %string. */ const_reference front() const noexcept { return operator[](0); } /** * Returns a read/write reference to the data at the last * element of the %string. */ reference back() noexcept { return operator[](this->size() - 1); } /** * Returns a read-only (constant) reference to the data at the * last element of the %string. */ const_reference back() const noexcept { return operator[](this->size() - 1); } #endif // Modifiers: /** * @brief Append a string to this string. * @param __str The string to append. * @return Reference to this string. */ __versa_string& operator+=(const __versa_string& __str) { return this->append(__str); } /** * @brief Append a C string. * @param __s The C string to append. * @return Reference to this string. */ __versa_string& operator+=(const _CharT* __s) { return this->append(__s); } /** * @brief Append a character. * @param __c The character to append. * @return Reference to this string. */ __versa_string& operator+=(_CharT __c) { this->push_back(__c); return *this; } #if __cplusplus >= 201103L /** * @brief Append an initializer_list of characters. * @param __l The initializer_list of characters to be appended. * @return Reference to this string. */ __versa_string& operator+=(std::initializer_list<_CharT> __l) { return this->append(__l.begin(), __l.end()); } #endif // C++11 /** * @brief Append a string to this string. * @param __str The string to append. * @return Reference to this string. */ __versa_string& append(const __versa_string& __str) { return _M_append(__str._M_data(), __str.size()); } /** * @brief Append a substring. * @param __str The string to append. * @param __pos Index of the first character of str to append. * @param __n The number of characters to append. * @return Reference to this string. * @throw std::out_of_range if @a pos is not a valid index. * * This function appends @a __n characters from @a __str * starting at @a __pos to this string. If @a __n is is larger * than the number of available characters in @a __str, the * remainder of @a __str is appended. */ __versa_string& append(const __versa_string& __str, size_type __pos, size_type __n) { return _M_append(__str._M_data() + __str._M_check(__pos, "__versa_string::append"), __str._M_limit(__pos, __n)); } /** * @brief Append a C substring. * @param __s The C string to append. * @param __n The number of characters to append. * @return Reference to this string. */ __versa_string& append(const _CharT* __s, size_type __n) { __glibcxx_requires_string_len(__s, __n); _M_check_length(size_type(0), __n, "__versa_string::append"); return _M_append(__s, __n); } /** * @brief Append a C string. * @param __s The C string to append. * @return Reference to this string. */ __versa_string& append(const _CharT* __s) { __glibcxx_requires_string(__s); const size_type __n = traits_type::length(__s); _M_check_length(size_type(0), __n, "__versa_string::append"); return _M_append(__s, __n); } /** * @brief Append multiple characters. * @param __n The number of characters to append. * @param __c The character to use. * @return Reference to this string. * * Appends n copies of c to this string. */ __versa_string& append(size_type __n, _CharT __c) { return _M_replace_aux(this->size(), size_type(0), __n, __c); } #if __cplusplus >= 201103L /** * @brief Append an initializer_list of characters. * @param __l The initializer_list of characters to append. * @return Reference to this string. */ __versa_string& append(std::initializer_list<_CharT> __l) { return this->append(__l.begin(), __l.end()); } #endif // C++11 /** * @brief Append a range of characters. * @param __first Iterator referencing the first character to append. * @param __last Iterator marking the end of the range. * @return Reference to this string. * * Appends characters in the range [first,last) to this string. */ #if __cplusplus >= 201103L template<class _InputIterator, typename = std::_RequireInputIter<_InputIterator>> #else template<class _InputIterator> #endif __versa_string& append(_InputIterator __first, _InputIterator __last) { return this->replace(_M_iend(), _M_iend(), __first, __last); } /** * @brief Append a single character. * @param __c Character to append. */ void push_back(_CharT __c) { const size_type __size = this->size(); if (__size + 1 > this->capacity() || this->_M_is_shared()) this->_M_mutate(__size, size_type(0), 0, size_type(1)); traits_type::assign(this->_M_data()[__size], __c); this->_M_set_length(__size + 1); } /** * @brief Set value to contents of another string. * @param __str Source string to use. * @return Reference to this string. */ __versa_string& assign(const __versa_string& __str) { this->_M_assign(__str); return *this; } #if __cplusplus >= 201103L /** * @brief Set value to contents of another string. * @param __str Source string to use. * @return Reference to this string. * * This function sets this string to the exact contents of @a __str. * @a __str is a valid, but unspecified string. */ __versa_string& assign(__versa_string&& __str) noexcept { this->swap(__str); return *this; } #endif // C++11 /** * @brief Set value to a substring of a string. * @param __str The string to use. * @param __pos Index of the first character of str. * @param __n Number of characters to use. * @return Reference to this string. * @throw std::out_of_range if @a __pos is not a valid index. * * This function sets this string to the substring of @a __str * consisting of @a __n characters at @a __pos. If @a __n is * is larger than the number of available characters in @a * __str, the remainder of @a __str is used. */ __versa_string& assign(const __versa_string& __str, size_type __pos, size_type __n) { return _M_replace(size_type(0), this->size(), __str._M_data() + __str._M_check(__pos, "__versa_string::assign"), __str._M_limit(__pos, __n)); } /** * @brief Set value to a C substring. * @param __s The C string to use. * @param __n Number of characters to use. * @return Reference to this string. * * This function sets the value of this string to the first @a * __n characters of @a __s. If @a __n is is larger than the * number of available characters in @a __s, the remainder of * @a __s is used. */ __versa_string& assign(const _CharT* __s, size_type __n) { __glibcxx_requires_string_len(__s, __n); return _M_replace(size_type(0), this->size(), __s, __n); } /** * @brief Set value to contents of a C string. * @param __s The C string to use. * @return Reference to this string. * * This function sets the value of this string to the value of * @a __s. The data is copied, so there is no dependence on @a * __s once the function returns. */ __versa_string& assign(const _CharT* __s) { __glibcxx_requires_string(__s); return _M_replace(size_type(0), this->size(), __s, traits_type::length(__s)); } /** * @brief Set value to multiple characters. * @param __n Length of the resulting string. * @param __c The character to use. * @return Reference to this string. * * This function sets the value of this string to @a __n copies of * character @a __c. */ __versa_string& assign(size_type __n, _CharT __c) { return _M_replace_aux(size_type(0), this->size(), __n, __c); } /** * @brief Set value to a range of characters. * @param __first Iterator referencing the first character to append. * @param __last Iterator marking the end of the range. * @return Reference to this string. * * Sets value of string to characters in the range * [first,last). */ #if __cplusplus >= 201103L template<class _InputIterator, typename = std::_RequireInputIter<_InputIterator>> #else template<class _InputIterator> #endif __versa_string& assign(_InputIterator __first, _InputIterator __last) { return this->replace(_M_ibegin(), _M_iend(), __first, __last); } #if __cplusplus >= 201103L /** * @brief Set value to an initializer_list of characters. * @param __l The initializer_list of characters to assign. * @return Reference to this string. */ __versa_string& assign(std::initializer_list<_CharT> __l) { return this->assign(__l.begin(), __l.end()); } #endif // C++11 #if __cplusplus >= 201103L /** * @brief Insert multiple characters. * @param __p Const_iterator referencing location in string to * insert at. * @param __n Number of characters to insert * @param __c The character to insert. * @return Iterator referencing the first inserted char. * @throw std::length_error If new length exceeds @c max_size(). * * Inserts @a __n copies of character @a __c starting at the * position referenced by iterator @a __p. If adding * characters causes the length to exceed max_size(), * length_error is thrown. The value of the string doesn't * change if an error is thrown. */ iterator insert(const_iterator __p, size_type __n, _CharT __c) { _GLIBCXX_DEBUG_PEDASSERT(__p >= _M_ibegin() && __p <= _M_iend()); const size_type __pos = __p - _M_ibegin(); this->replace(__p, __p, __n, __c); return iterator(this->_M_data() + __pos); } #else /** * @brief Insert multiple characters. * @param __p Iterator referencing location in string to insert at. * @param __n Number of characters to insert * @param __c The character to insert. * @throw std::length_error If new length exceeds @c max_size(). * * Inserts @a __n copies of character @a __c starting at the * position referenced by iterator @a __p. If adding * characters causes the length to exceed max_size(), * length_error is thrown. The value of the string doesn't * change if an error is thrown. */ void insert(iterator __p, size_type __n, _CharT __c) { this->replace(__p, __p, __n, __c); } #endif #if __cplusplus >= 201103L /** * @brief Insert a range of characters. * @param __p Const_iterator referencing location in string to * insert at. * @param __beg Start of range. * @param __end End of range. * @return Iterator referencing the first inserted char. * @throw std::length_error If new length exceeds @c max_size(). * * Inserts characters in range [beg,end). If adding characters * causes the length to exceed max_size(), length_error is * thrown. The value of the string doesn't change if an error * is thrown. */ template<class _InputIterator, typename = std::_RequireInputIter<_InputIterator>> iterator insert(const_iterator __p, _InputIterator __beg, _InputIterator __end) { _GLIBCXX_DEBUG_PEDASSERT(__p >= _M_ibegin() && __p <= _M_iend()); const size_type __pos = __p - _M_ibegin(); this->replace(__p, __p, __beg, __end); return iterator(this->_M_data() + __pos); } #else /** * @brief Insert a range of characters. * @param __p Iterator referencing location in string to insert at. * @param __beg Start of range. * @param __end End of range. * @throw std::length_error If new length exceeds @c max_size(). * * Inserts characters in range [beg,end). If adding characters * causes the length to exceed max_size(), length_error is * thrown. The value of the string doesn't change if an error * is thrown. */ template<class _InputIterator> void insert(iterator __p, _InputIterator __beg, _InputIterator __end) { this->replace(__p, __p, __beg, __end); } #endif #if __cplusplus >= 201103L /** * @brief Insert an initializer_list of characters. * @param __p Const_iterator referencing location in string to * insert at. * @param __l The initializer_list of characters to insert. * @return Iterator referencing the first inserted char. * @throw std::length_error If new length exceeds @c max_size(). */ iterator insert(const_iterator __p, std::initializer_list<_CharT> __l) { return this->insert(__p, __l.begin(), __l.end()); } #endif // C++11 /** * @brief Insert value of a string. * @param __pos1 Iterator referencing location in string to insert at. * @param __str The string to insert. * @return Reference to this string. * @throw std::length_error If new length exceeds @c max_size(). * * Inserts value of @a __str starting at @a __pos1. If adding * characters causes the length to exceed max_size(), * length_error is thrown. The value of the string doesn't * change if an error is thrown. */ __versa_string& insert(size_type __pos1, const __versa_string& __str) { return this->replace(__pos1, size_type(0), __str._M_data(), __str.size()); } /** * @brief Insert a substring. * @param __pos1 Iterator referencing location in string to insert at. * @param __str The string to insert. * @param __pos2 Start of characters in str to insert. * @param __n Number of characters to insert. * @return Reference to this string. * @throw std::length_error If new length exceeds @c max_size(). * @throw std::out_of_range If @a __pos1 > size() or * @a __pos2 > @a __str.size(). * * Starting at @a __pos1, insert @a __n character of @a __str * beginning with @a __pos2. If adding characters causes the * length to exceed max_size(), length_error is thrown. If @a * __pos1 is beyond the end of this string or @a __pos2 is * beyond the end of @a __str, out_of_range is thrown. The * value of the string doesn't change if an error is thrown. */ __versa_string& insert(size_type __pos1, const __versa_string& __str, size_type __pos2, size_type __n) { return this->replace(__pos1, size_type(0), __str._M_data() + __str._M_check(__pos2, "__versa_string::insert"), __str._M_limit(__pos2, __n)); } /** * @brief Insert a C substring. * @param __pos Iterator referencing location in string to insert at. * @param __s The C string to insert. * @param __n The number of characters to insert. * @return Reference to this string. * @throw std::length_error If new length exceeds @c max_size(). * @throw std::out_of_range If @a __pos is beyond the end of this * string. * * Inserts the first @a __n characters of @a __s starting at @a * __pos. If adding characters causes the length to exceed * max_size(), length_error is thrown. If @a __pos is beyond * end(), out_of_range is thrown. The value of the string * doesn't change if an error is thrown. */ __versa_string& insert(size_type __pos, const _CharT* __s, size_type __n) { return this->replace(__pos, size_type(0), __s, __n); } /** * @brief Insert a C string. * @param __pos Iterator referencing location in string to insert at. * @param __s The C string to insert. * @return Reference to this string. * @throw std::length_error If new length exceeds @c max_size(). * @throw std::out_of_range If @a __pos is beyond the end of this * string. * * Inserts the first @a __n characters of @a __s starting at @a * __pos. If adding characters causes the length to exceed * max_size(), length_error is thrown. If @a __pos is beyond * end(), out_of_range is thrown. The value of the string * doesn't change if an error is thrown. */ __versa_string& insert(size_type __pos, const _CharT* __s) { __glibcxx_requires_string(__s); return this->replace(__pos, size_type(0), __s, traits_type::length(__s)); } /** * @brief Insert multiple characters. * @param __pos Index in string to insert at. * @param __n Number of characters to insert * @param __c The character to insert. * @return Reference to this string. * @throw std::length_error If new length exceeds @c max_size(). * @throw std::out_of_range If @a __pos is beyond the end of this * string. * * Inserts @a __n copies of character @a __c starting at index * @a __pos. If adding characters causes the length to exceed * max_size(), length_error is thrown. If @a __pos > length(), * out_of_range is thrown. The value of the string doesn't * change if an error is thrown. */ __versa_string& insert(size_type __pos, size_type __n, _CharT __c) { return _M_replace_aux(_M_check(__pos, "__versa_string::insert"), size_type(0), __n, __c); } /** * @brief Insert one character. * @param __p Iterator referencing position in string to insert at. * @param __c The character to insert. * @return Iterator referencing newly inserted char. * @throw std::length_error If new length exceeds @c max_size(). * * Inserts character @a __c at position referenced by @a __p. * If adding character causes the length to exceed max_size(), * length_error is thrown. If @a __p is beyond end of string, * out_of_range is thrown. The value of the string doesn't * change if an error is thrown. */ iterator #if __cplusplus >= 201103L insert(const_iterator __p, _CharT __c) #else insert(iterator __p, _CharT __c) #endif { _GLIBCXX_DEBUG_PEDASSERT(__p >= _M_ibegin() && __p <= _M_iend()); const size_type __pos = __p - _M_ibegin(); _M_replace_aux(__pos, size_type(0), size_type(1), __c); this->_M_set_leaked(); return iterator(this->_M_data() + __pos); } /** * @brief Remove characters. * @param __pos Index of first character to remove (default 0). * @param __n Number of characters to remove (default remainder). * @return Reference to this string. * @throw std::out_of_range If @a __pos is beyond the end of this * string. * * Removes @a __n characters from this string starting at @a * __pos. The length of the string is reduced by @a __n. If * there are < @a __n characters to remove, the remainder of * the string is truncated. If @a __p is beyond end of string, * out_of_range is thrown. The value of the string doesn't * change if an error is thrown. */ __versa_string& erase(size_type __pos = 0, size_type __n = npos) { this->_M_erase(_M_check(__pos, "__versa_string::erase"), _M_limit(__pos, __n)); return *this; } /** * @brief Remove one character. * @param __position Iterator referencing the character to remove. * @return iterator referencing same location after removal. * * Removes the character at @a __position from this string. The * value of the string doesn't change if an error is thrown. */ iterator #if __cplusplus >= 201103L erase(const_iterator __position) #else erase(iterator __position) #endif { _GLIBCXX_DEBUG_PEDASSERT(__position >= _M_ibegin() && __position < _M_iend()); const size_type __pos = __position - _M_ibegin(); this->_M_erase(__pos, size_type(1)); this->_M_set_leaked(); return iterator(this->_M_data() + __pos); } /** * @brief Remove a range of characters. * @param __first Iterator referencing the first character to remove. * @param __last Iterator referencing the end of the range. * @return Iterator referencing location of first after removal. * * Removes the characters in the range [first,last) from this * string. The value of the string doesn't change if an error * is thrown. */ iterator #if __cplusplus >= 201103L erase(const_iterator __first, const_iterator __last) #else erase(iterator __first, iterator __last) #endif { _GLIBCXX_DEBUG_PEDASSERT(__first >= _M_ibegin() && __first <= __last && __last <= _M_iend()); const size_type __pos = __first - _M_ibegin(); this->_M_erase(__pos, __last - __first); this->_M_set_leaked(); return iterator(this->_M_data() + __pos); } #if __cplusplus >= 201103L /** * @brief Remove the last character. * * The string must be non-empty. */ void pop_back() { this->_M_erase(size()-1, 1); } #endif // C++11 /** * @brief Replace characters with value from another string. * @param __pos Index of first character to replace. * @param __n Number of characters to be replaced. * @param __str String to insert. * @return Reference to this string. * @throw std::out_of_range If @a __pos is beyond the end of this * string. * @throw std::length_error If new length exceeds @c max_size(). * * Removes the characters in the range [pos,pos+n) from this * string. In place, the value of @a __str is inserted. If @a * __pos is beyond end of string, out_of_range is thrown. If * the length of the result exceeds max_size(), length_error is * thrown. The value of the string doesn't change if an error * is thrown. */ __versa_string& replace(size_type __pos, size_type __n, const __versa_string& __str) { return this->replace(__pos, __n, __str._M_data(), __str.size()); } /** * @brief Replace characters with value from another string. * @param __pos1 Index of first character to replace. * @param __n1 Number of characters to be replaced. * @param __str String to insert. * @param __pos2 Index of first character of str to use. * @param __n2 Number of characters from str to use. * @return Reference to this string. * @throw std::out_of_range If @a __pos1 > size() or @a __pos2 > * str.size(). * @throw std::length_error If new length exceeds @c max_size(). * * Removes the characters in the range [pos1,pos1 + n) from * this string. In place, the value of @a __str is inserted. * If @a __pos is beyond end of string, out_of_range is thrown. * If the length of the result exceeds max_size(), length_error * is thrown. The value of the string doesn't change if an * error is thrown. */ __versa_string& replace(size_type __pos1, size_type __n1, const __versa_string& __str, size_type __pos2, size_type __n2) { return this->replace(__pos1, __n1, __str._M_data() + __str._M_check(__pos2, "__versa_string::replace"), __str._M_limit(__pos2, __n2)); } /** * @brief Replace characters with value of a C substring. * @param __pos Index of first character to replace. * @param __n1 Number of characters to be replaced. * @param __s C string to insert. * @param __n2 Number of characters from @a __s to use. * @return Reference to this string. * @throw std::out_of_range If @a __pos1 > size(). * @throw std::length_error If new length exceeds @c max_size(). * * Removes the characters in the range [pos,pos + n1) from this * string. In place, the first @a __n2 characters of @a __s * are inserted, or all of @a __s if @a __n2 is too large. If * @a __pos is beyond end of string, out_of_range is thrown. * If the length of result exceeds max_size(), length_error is * thrown. The value of the string doesn't change if an error * is thrown. */ __versa_string& replace(size_type __pos, size_type __n1, const _CharT* __s, size_type __n2) { __glibcxx_requires_string_len(__s, __n2); return _M_replace(_M_check(__pos, "__versa_string::replace"), _M_limit(__pos, __n1), __s, __n2); } /** * @brief Replace characters with value of a C string. * @param __pos Index of first character to replace. * @param __n1 Number of characters to be replaced. * @param __s C string to insert. * @return Reference to this string. * @throw std::out_of_range If @a __pos > size(). * @throw std::length_error If new length exceeds @c max_size(). * * Removes the characters in the range [pos,pos + n1) from this * string. In place, the characters of @a __s are inserted. If * @a pos is beyond end of string, out_of_range is thrown. If * the length of result exceeds max_size(), length_error is thrown. * The value of the string doesn't change if an error is thrown. */ __versa_string& replace(size_type __pos, size_type __n1, const _CharT* __s) { __glibcxx_requires_string(__s); return this->replace(__pos, __n1, __s, traits_type::length(__s)); } /** * @brief Replace characters with multiple characters. * @param __pos Index of first character to replace. * @param __n1 Number of characters to be replaced. * @param __n2 Number of characters to insert. * @param __c Character to insert. * @return Reference to this string. * @throw std::out_of_range If @a __pos > size(). * @throw std::length_error If new length exceeds @c max_size(). * * Removes the characters in the range [pos,pos + n1) from this * string. In place, @a __n2 copies of @a __c are inserted. * If @a __pos is beyond end of string, out_of_range is thrown. * If the length of result exceeds max_size(), length_error is * thrown. The value of the string doesn't change if an error * is thrown. */ __versa_string& replace(size_type __pos, size_type __n1, size_type __n2, _CharT __c) { return _M_replace_aux(_M_check(__pos, "__versa_string::replace"), _M_limit(__pos, __n1), __n2, __c); } /** * @brief Replace range of characters with string. * @param __i1 Iterator referencing start of range to replace. * @param __i2 Iterator referencing end of range to replace. * @param __str String value to insert. * @return Reference to this string. * @throw std::length_error If new length exceeds @c max_size(). * * Removes the characters in the range [i1,i2). In place, the * value of @a __str is inserted. If the length of result * exceeds max_size(), length_error is thrown. The value of * the string doesn't change if an error is thrown. */ __versa_string& #if __cplusplus >= 201103L replace(const_iterator __i1, const_iterator __i2, const __versa_string& __str) #else replace(iterator __i1, iterator __i2, const __versa_string& __str) #endif { return this->replace(__i1, __i2, __str._M_data(), __str.size()); } /** * @brief Replace range of characters with C substring. * @param __i1 Iterator referencing start of range to replace. * @param __i2 Iterator referencing end of range to replace. * @param __s C string value to insert. * @param __n Number of characters from s to insert. * @return Reference to this string. * @throw std::length_error If new length exceeds @c max_size(). * * Removes the characters in the range [i1,i2). In place, the * first @a n characters of @a __s are inserted. If the length * of result exceeds max_size(), length_error is thrown. The * value of the string doesn't change if an error is thrown. */ __versa_string& #if __cplusplus >= 201103L replace(const_iterator __i1, const_iterator __i2, const _CharT* __s, size_type __n) #else replace(iterator __i1, iterator __i2, const _CharT* __s, size_type __n) #endif { _GLIBCXX_DEBUG_PEDASSERT(_M_ibegin() <= __i1 && __i1 <= __i2 && __i2 <= _M_iend()); return this->replace(__i1 - _M_ibegin(), __i2 - __i1, __s, __n); } /** * @brief Replace range of characters with C string. * @param __i1 Iterator referencing start of range to replace. * @param __i2 Iterator referencing end of range to replace. * @param __s C string value to insert. * @return Reference to this string. * @throw std::length_error If new length exceeds @c max_size(). * * Removes the characters in the range [i1,i2). In place, the * characters of @a __s are inserted. If the length of result * exceeds max_size(), length_error is thrown. The value of * the string doesn't change if an error is thrown. */ __versa_string& #if __cplusplus >= 201103L replace(const_iterator __i1, const_iterator __i2, const _CharT* __s) #else replace(iterator __i1, iterator __i2, const _CharT* __s) #endif { __glibcxx_requires_string(__s); return this->replace(__i1, __i2, __s, traits_type::length(__s)); } /** * @brief Replace range of characters with multiple characters * @param __i1 Iterator referencing start of range to replace. * @param __i2 Iterator referencing end of range to replace. * @param __n Number of characters to insert. * @param __c Character to insert. * @return Reference to this string. * @throw std::length_error If new length exceeds @c max_size(). * * Removes the characters in the range [i1,i2). In place, @a * __n copies of @a __c are inserted. If the length of result * exceeds max_size(), length_error is thrown. The value of * the string doesn't change if an error is thrown. */ __versa_string& #if __cplusplus >= 201103L replace(const_iterator __i1, const_iterator __i2, size_type __n, _CharT __c) #else replace(iterator __i1, iterator __i2, size_type __n, _CharT __c) #endif { _GLIBCXX_DEBUG_PEDASSERT(_M_ibegin() <= __i1 && __i1 <= __i2 && __i2 <= _M_iend()); return _M_replace_aux(__i1 - _M_ibegin(), __i2 - __i1, __n, __c); } /** * @brief Replace range of characters with range. * @param __i1 Iterator referencing start of range to replace. * @param __i2 Iterator referencing end of range to replace. * @param __k1 Iterator referencing start of range to insert. * @param __k2 Iterator referencing end of range to insert. * @return Reference to this string. * @throw std::length_error If new length exceeds @c max_size(). * * Removes the characters in the range [i1,i2). In place, * characters in the range [k1,k2) are inserted. If the length * of result exceeds max_size(), length_error is thrown. The * value of the string doesn't change if an error is thrown. */ #if __cplusplus >= 201103L template<class _InputIterator, typename = std::_RequireInputIter<_InputIterator>> __versa_string& replace(const_iterator __i1, const_iterator __i2, _InputIterator __k1, _InputIterator __k2) { _GLIBCXX_DEBUG_PEDASSERT(_M_ibegin() <= __i1 && __i1 <= __i2 && __i2 <= _M_iend()); __glibcxx_requires_valid_range(__k1, __k2); return this->_M_replace_dispatch(__i1, __i2, __k1, __k2, std::__false_type()); } #else template<class _InputIterator> __versa_string& replace(iterator __i1, iterator __i2, _InputIterator __k1, _InputIterator __k2) { _GLIBCXX_DEBUG_PEDASSERT(_M_ibegin() <= __i1 && __i1 <= __i2 && __i2 <= _M_iend()); __glibcxx_requires_valid_range(__k1, __k2); typedef typename std::__is_integer<_InputIterator>::__type _Integral; return this->_M_replace_dispatch(__i1, __i2, __k1, __k2, _Integral()); } #endif // Specializations for the common case of pointer and iterator: // useful to avoid the overhead of temporary buffering in _M_replace. __versa_string& #if __cplusplus >= 201103L replace(const_iterator __i1, const_iterator __i2, _CharT* __k1, _CharT* __k2) #else replace(iterator __i1, iterator __i2, _CharT* __k1, _CharT* __k2) #endif { _GLIBCXX_DEBUG_PEDASSERT(_M_ibegin() <= __i1 && __i1 <= __i2 && __i2 <= _M_iend()); __glibcxx_requires_valid_range(__k1, __k2); return this->replace(__i1 - _M_ibegin(), __i2 - __i1, __k1, __k2 - __k1); } __versa_string& #if __cplusplus >= 201103L replace(const_iterator __i1, const_iterator __i2, const _CharT* __k1, const _CharT* __k2) #else replace(iterator __i1, iterator __i2, const _CharT* __k1, const _CharT* __k2) #endif { _GLIBCXX_DEBUG_PEDASSERT(_M_ibegin() <= __i1 && __i1 <= __i2 && __i2 <= _M_iend()); __glibcxx_requires_valid_range(__k1, __k2); return this->replace(__i1 - _M_ibegin(), __i2 - __i1, __k1, __k2 - __k1); } __versa_string& #if __cplusplus >= 201103L replace(const_iterator __i1, const_iterator __i2, iterator __k1, iterator __k2) #else replace(iterator __i1, iterator __i2, iterator __k1, iterator __k2) #endif { _GLIBCXX_DEBUG_PEDASSERT(_M_ibegin() <= __i1 && __i1 <= __i2 && __i2 <= _M_iend()); __glibcxx_requires_valid_range(__k1, __k2); return this->replace(__i1 - _M_ibegin(), __i2 - __i1, __k1.base(), __k2 - __k1); } __versa_string& #if __cplusplus >= 201103L replace(const_iterator __i1, const_iterator __i2, const_iterator __k1, const_iterator __k2) #else replace(iterator __i1, iterator __i2, const_iterator __k1, const_iterator __k2) #endif { _GLIBCXX_DEBUG_PEDASSERT(_M_ibegin() <= __i1 && __i1 <= __i2 && __i2 <= _M_iend()); __glibcxx_requires_valid_range(__k1, __k2); return this->replace(__i1 - _M_ibegin(), __i2 - __i1, __k1.base(), __k2 - __k1); } #if __cplusplus >= 201103L /** * @brief Replace range of characters with initializer_list. * @param __i1 Iterator referencing start of range to replace. * @param __i2 Iterator referencing end of range to replace. * @param __l The initializer_list of characters to insert. * @return Reference to this string. * @throw std::length_error If new length exceeds @c max_size(). * * Removes the characters in the range [i1,i2). In place, * characters in the range [k1,k2) are inserted. If the length * of result exceeds max_size(), length_error is thrown. The * value of the string doesn't change if an error is thrown. */ __versa_string& replace(const_iterator __i1, const_iterator __i2, std::initializer_list<_CharT> __l) { return this->replace(__i1, __i2, __l.begin(), __l.end()); } #endif // C++11 private: template<class _Integer> __versa_string& _M_replace_dispatch(const_iterator __i1, const_iterator __i2, _Integer __n, _Integer __val, std::__true_type) { return _M_replace_aux(__i1 - _M_ibegin(), __i2 - __i1, __n, __val); } template<class _InputIterator> __versa_string& _M_replace_dispatch(const_iterator __i1, const_iterator __i2, _InputIterator __k1, _InputIterator __k2, std::__false_type); __versa_string& _M_replace_aux(size_type __pos1, size_type __n1, size_type __n2, _CharT __c); __versa_string& _M_replace(size_type __pos, size_type __len1, const _CharT* __s, const size_type __len2); __versa_string& _M_append(const _CharT* __s, size_type __n); public: /** * @brief Copy substring into C string. * @param __s C string to copy value into. * @param __n Number of characters to copy. * @param __pos Index of first character to copy. * @return Number of characters actually copied * @throw std::out_of_range If pos > size(). * * Copies up to @a __n characters starting at @a __pos into the * C string @a s. If @a __pos is greater than size(), * out_of_range is thrown. */ size_type copy(_CharT* __s, size_type __n, size_type __pos = 0) const; /** * @brief Swap contents with another string. * @param __s String to swap with. * * Exchanges the contents of this string with that of @a __s in * constant time. */ void swap(__versa_string& __s) _GLIBCXX_NOEXCEPT { this->_M_swap(__s); } // String operations: /** * @brief Return const pointer to null-terminated contents. * * This is a handle to internal data. Do not modify or dire things may * happen. */ const _CharT* c_str() const _GLIBCXX_NOEXCEPT { return this->_M_data(); } /** * @brief Return const pointer to contents. * * This is a handle to internal data. Do not modify or dire things may * happen. */ const _CharT* data() const _GLIBCXX_NOEXCEPT { return this->_M_data(); } /** * @brief Return copy of allocator used to construct this string. */ allocator_type get_allocator() const _GLIBCXX_NOEXCEPT { return allocator_type(this->_M_get_allocator()); } /** * @brief Find position of a C substring. * @param __s C string to locate. * @param __pos Index of character to search from. * @param __n Number of characters from @a __s to search for. * @return Index of start of first occurrence. * * Starting from @a __pos, searches forward for the first @a * __n characters in @a __s within this string. If found, * returns the index where it begins. If not found, returns * npos. */ size_type find(const _CharT* __s, size_type __pos, size_type __n) const; /** * @brief Find position of a string. * @param __str String to locate. * @param __pos Index of character to search from (default 0). * @return Index of start of first occurrence. * * Starting from @a __pos, searches forward for value of @a * __str within this string. If found, returns the index where * it begins. If not found, returns npos. */ size_type find(const __versa_string& __str, size_type __pos = 0) const _GLIBCXX_NOEXCEPT { return this->find(__str.data(), __pos, __str.size()); } /** * @brief Find position of a C string. * @param __s C string to locate. * @param __pos Index of character to search from (default 0). * @return Index of start of first occurrence. * * Starting from @a __pos, searches forward for the value of @a * __s within this string. If found, returns the index where * it begins. If not found, returns npos. */ size_type find(const _CharT* __s, size_type __pos = 0) const { __glibcxx_requires_string(__s); return this->find(__s, __pos, traits_type::length(__s)); } /** * @brief Find position of a character. * @param __c Character to locate. * @param __pos Index of character to search from (default 0). * @return Index of first occurrence. * * Starting from @a __pos, searches forward for @a __c within * this string. If found, returns the index where it was * found. If not found, returns npos. */ size_type find(_CharT __c, size_type __pos = 0) const _GLIBCXX_NOEXCEPT; /** * @brief Find last position of a string. * @param __str String to locate. * @param __pos Index of character to search back from (default end). * @return Index of start of last occurrence. * * Starting from @a __pos, searches backward for value of @a * __str within this string. If found, returns the index where * it begins. If not found, returns npos. */ size_type rfind(const __versa_string& __str, size_type __pos = npos) const _GLIBCXX_NOEXCEPT { return this->rfind(__str.data(), __pos, __str.size()); } /** * @brief Find last position of a C substring. * @param __s C string to locate. * @param __pos Index of character to search back from. * @param __n Number of characters from s to search for. * @return Index of start of last occurrence. * * Starting from @a __pos, searches backward for the first @a * __n characters in @a __s within this string. If found, * returns the index where it begins. If not found, returns * npos. */ size_type rfind(const _CharT* __s, size_type __pos, size_type __n) const; /** * @brief Find last position of a C string. * @param __s C string to locate. * @param __pos Index of character to start search at (default end). * @return Index of start of last occurrence. * * Starting from @a __pos, searches backward for the value of * @a __s within this string. If found, returns the index * where it begins. If not found, returns npos. */ size_type rfind(const _CharT* __s, size_type __pos = npos) const { __glibcxx_requires_string(__s); return this->rfind(__s, __pos, traits_type::length(__s)); } /** * @brief Find last position of a character. * @param __c Character to locate. * @param __pos Index of character to search back from (default end). * @return Index of last occurrence. * * Starting from @a __pos, searches backward for @a __c within * this string. If found, returns the index where it was * found. If not found, returns npos. */ size_type rfind(_CharT __c, size_type __pos = npos) const _GLIBCXX_NOEXCEPT; /** * @brief Find position of a character of string. * @param __str String containing characters to locate. * @param __pos Index of character to search from (default 0). * @return Index of first occurrence. * * Starting from @a __pos, searches forward for one of the characters of * @a __str within this string. If found, returns the index where it was * found. If not found, returns npos. */ size_type find_first_of(const __versa_string& __str, size_type __pos = 0) const _GLIBCXX_NOEXCEPT { return this->find_first_of(__str.data(), __pos, __str.size()); } /** * @brief Find position of a character of C substring. * @param __s String containing characters to locate. * @param __pos Index of character to search from. * @param __n Number of characters from s to search for. * @return Index of first occurrence. * * Starting from @a __pos, searches forward for one of the * first @a __n characters of @a __s within this string. If * found, returns the index where it was found. If not found, * returns npos. */ size_type find_first_of(const _CharT* __s, size_type __pos, size_type __n) const; /** * @brief Find position of a character of C string. * @param __s String containing characters to locate. * @param __pos Index of character to search from (default 0). * @return Index of first occurrence. * * Starting from @a __pos, searches forward for one of the * characters of @a __s within this string. If found, returns * the index where it was found. If not found, returns npos. */ size_type find_first_of(const _CharT* __s, size_type __pos = 0) const { __glibcxx_requires_string(__s); return this->find_first_of(__s, __pos, traits_type::length(__s)); } /** * @brief Find position of a character. * @param __c Character to locate. * @param __pos Index of character to search from (default 0). * @return Index of first occurrence. * * Starting from @a __pos, searches forward for the character * @a __c within this string. If found, returns the index * where it was found. If not found, returns npos. * * Note: equivalent to find(c, pos). */ size_type find_first_of(_CharT __c, size_type __pos = 0) const _GLIBCXX_NOEXCEPT { return this->find(__c, __pos); } /** * @brief Find last position of a character of string. * @param __str String containing characters to locate. * @param __pos Index of character to search back from (default end). * @return Index of last occurrence. * * Starting from @a __pos, searches backward for one of the * characters of @a __str within this string. If found, * returns the index where it was found. If not found, returns * npos. */ size_type find_last_of(const __versa_string& __str, size_type __pos = npos) const _GLIBCXX_NOEXCEPT { return this->find_last_of(__str.data(), __pos, __str.size()); } /** * @brief Find last position of a character of C substring. * @param __s C string containing characters to locate. * @param __pos Index of character to search back from. * @param __n Number of characters from s to search for. * @return Index of last occurrence. * * Starting from @a __pos, searches backward for one of the * first @a __n characters of @a __s within this string. If * found, returns the index where it was found. If not found, * returns npos. */ size_type find_last_of(const _CharT* __s, size_type __pos, size_type __n) const; /** * @brief Find last position of a character of C string. * @param __s C string containing characters to locate. * @param __pos Index of character to search back from (default end). * @return Index of last occurrence. * * Starting from @a __pos, searches backward for one of the * characters of @a __s within this string. If found, returns * the index where it was found. If not found, returns npos. */ size_type find_last_of(const _CharT* __s, size_type __pos = npos) const { __glibcxx_requires_string(__s); return this->find_last_of(__s, __pos, traits_type::length(__s)); } /** * @brief Find last position of a character. * @param __c Character to locate. * @param __pos Index of character to search back from (default end). * @return Index of last occurrence. * * Starting from @a __pos, searches backward for @a __c within * this string. If found, returns the index where it was * found. If not found, returns npos. * * Note: equivalent to rfind(c, pos). */ size_type find_last_of(_CharT __c, size_type __pos = npos) const _GLIBCXX_NOEXCEPT { return this->rfind(__c, __pos); } /** * @brief Find position of a character not in string. * @param __str String containing characters to avoid. * @param __pos Index of character to search from (default 0). * @return Index of first occurrence. * * Starting from @a __pos, searches forward for a character not * contained in @a __str within this string. If found, returns * the index where it was found. If not found, returns npos. */ size_type find_first_not_of(const __versa_string& __str, size_type __pos = 0) const _GLIBCXX_NOEXCEPT { return this->find_first_not_of(__str.data(), __pos, __str.size()); } /** * @brief Find position of a character not in C substring. * @param __s C string containing characters to avoid. * @param __pos Index of character to search from. * @param __n Number of characters from s to consider. * @return Index of first occurrence. * * Starting from @a __pos, searches forward for a character not * contained in the first @a __n characters of @a __s within * this string. If found, returns the index where it was * found. If not found, returns npos. */ size_type find_first_not_of(const _CharT* __s, size_type __pos, size_type __n) const; /** * @brief Find position of a character not in C string. * @param __s C string containing characters to avoid. * @param __pos Index of character to search from (default 0). * @return Index of first occurrence. * * Starting from @a __pos, searches forward for a character not * contained in @a __s within this string. If found, returns * the index where it was found. If not found, returns npos. */ size_type find_first_not_of(const _CharT* __s, size_type __pos = 0) const { __glibcxx_requires_string(__s); return this->find_first_not_of(__s, __pos, traits_type::length(__s)); } /** * @brief Find position of a different character. * @param __c Character to avoid. * @param __pos Index of character to search from (default 0). * @return Index of first occurrence. * * Starting from @a __pos, searches forward for a character * other than @a __c within this string. If found, returns the * index where it was found. If not found, returns npos. */ size_type find_first_not_of(_CharT __c, size_type __pos = 0) const _GLIBCXX_NOEXCEPT; /** * @brief Find last position of a character not in string. * @param __str String containing characters to avoid. * @param __pos Index of character to search back from (default end). * @return Index of last occurrence. * * Starting from @a __pos, searches backward for a character * not contained in @a __str within this string. If found, * returns the index where it was found. If not found, returns * npos. */ size_type find_last_not_of(const __versa_string& __str, size_type __pos = npos) const _GLIBCXX_NOEXCEPT { return this->find_last_not_of(__str.data(), __pos, __str.size()); } /** * @brief Find last position of a character not in C substring. * @param __s C string containing characters to avoid. * @param __pos Index of character to search back from. * @param __n Number of characters from s to consider. * @return Index of last occurrence. * * Starting from @a __pos, searches backward for a character * not contained in the first @a __n characters of @a __s * within this string. If found, returns the index where it * was found. If not found, returns npos. */ size_type find_last_not_of(const _CharT* __s, size_type __pos, size_type __n) const; /** * @brief Find last position of a character not in C string. * @param __s C string containing characters to avoid. * @param __pos Index of character to search back from (default end). * @return Index of last occurrence. * * Starting from @a __pos, searches backward for a character * not contained in @a __s within this string. If found, * returns the index where it was found. If not found, returns * npos. */ size_type find_last_not_of(const _CharT* __s, size_type __pos = npos) const { __glibcxx_requires_string(__s); return this->find_last_not_of(__s, __pos, traits_type::length(__s)); } /** * @brief Find last position of a different character. * @param __c Character to avoid. * @param __pos Index of character to search back from (default end). * @return Index of last occurrence. * * Starting from @a __pos, searches backward for a character * other than @a __c within this string. If found, returns the * index where it was found. If not found, returns npos. */ size_type find_last_not_of(_CharT __c, size_type __pos = npos) const _GLIBCXX_NOEXCEPT; /** * @brief Get a substring. * @param __pos Index of first character (default 0). * @param __n Number of characters in substring (default remainder). * @return The new string. * @throw std::out_of_range If pos > size(). * * Construct and return a new string using the @a __n * characters starting at @a __pos. If the string is too * short, use the remainder of the characters. If @a __pos is * beyond the end of the string, out_of_range is thrown. */ __versa_string substr(size_type __pos = 0, size_type __n = npos) const { return __versa_string(*this, _M_check(__pos, "__versa_string::substr"), __n); } /** * @brief Compare to a string. * @param __str String to compare against. * @return Integer < 0, 0, or > 0. * * Returns an integer < 0 if this string is ordered before @a * __str, 0 if their values are equivalent, or > 0 if this * string is ordered after @a __str. Determines the effective * length rlen of the strings to compare as the smallest of * size() and str.size(). The function then compares the two * strings by calling traits::compare(data(), str.data(),rlen). * If the result of the comparison is nonzero returns it, * otherwise the shorter one is ordered first. */ int compare(const __versa_string& __str) const { if (this->_M_compare(__str)) return 0; const size_type __size = this->size(); const size_type __osize = __str.size(); const size_type __len = std::min(__size, __osize); int __r = traits_type::compare(this->_M_data(), __str.data(), __len); if (!__r) __r = this->_S_compare(__size, __osize); return __r; } /** * @brief Compare substring to a string. * @param __pos Index of first character of substring. * @param __n Number of characters in substring. * @param __str String to compare against. * @return Integer < 0, 0, or > 0. * * Form the substring of this string from the @a __n characters * starting at @a __pos. Returns an integer < 0 if the * substring is ordered before @a __str, 0 if their values are * equivalent, or > 0 if the substring is ordered after @a * __str. Determines the effective length rlen of the strings * to compare as the smallest of the length of the substring * and @a __str.size(). The function then compares the two * strings by calling * traits::compare(substring.data(),str.data(),rlen). If the * result of the comparison is nonzero returns it, otherwise * the shorter one is ordered first. */ int compare(size_type __pos, size_type __n, const __versa_string& __str) const; /** * @brief Compare substring to a substring. * @param __pos1 Index of first character of substring. * @param __n1 Number of characters in substring. * @param __str String to compare against. * @param __pos2 Index of first character of substring of str. * @param __n2 Number of characters in substring of str. * @return Integer < 0, 0, or > 0. * * Form the substring of this string from the @a __n1 * characters starting at @a __pos1. Form the substring of @a * __str from the @a __n2 characters starting at @a __pos2. * Returns an integer < 0 if this substring is ordered before * the substring of @a __str, 0 if their values are equivalent, * or > 0 if this substring is ordered after the substring of * @a __str. Determines the effective length rlen of the * strings to compare as the smallest of the lengths of the * substrings. The function then compares the two strings by * calling * traits::compare(substring.data(),str.substr(pos2,n2).data(),rlen). * If the result of the comparison is nonzero returns it, * otherwise the shorter one is ordered first. */ int compare(size_type __pos1, size_type __n1, const __versa_string& __str, size_type __pos2, size_type __n2) const; /** * @brief Compare to a C string. * @param __s C string to compare against. * @return Integer < 0, 0, or > 0. * * Returns an integer < 0 if this string is ordered before @a * __s, 0 if their values are equivalent, or > 0 if this string * is ordered after @a __s. Determines the effective length * rlen of the strings to compare as the smallest of size() and * the length of a string constructed from @a __s. The * function then compares the two strings by calling * traits::compare(data(),s,rlen). If the result of the * comparison is nonzero returns it, otherwise the shorter one * is ordered first. */ int compare(const _CharT* __s) const; // _GLIBCXX_RESOLVE_LIB_DEFECTS // 5 String::compare specification questionable /** * @brief Compare substring to a C string. * @param __pos Index of first character of substring. * @param __n1 Number of characters in substring. * @param __s C string to compare against. * @return Integer < 0, 0, or > 0. * * Form the substring of this string from the @a __n1 * characters starting at @a __pos. Returns an integer < 0 if * the substring is ordered before @a __s, 0 if their values * are equivalent, or > 0 if the substring is ordered after @a * __s. Determines the effective length rlen of the strings to * compare as the smallest of the length of the substring and * the length of a string constructed from @a __s. The * function then compares the two string by calling * traits::compare(substring.data(),s,rlen). If the result of * the comparison is nonzero returns it, otherwise the shorter * one is ordered first. */ int compare(size_type __pos, size_type __n1, const _CharT* __s) const; /** * @brief Compare substring against a character array. * @param __pos Index of first character of substring. * @param __n1 Number of characters in substring. * @param __s character array to compare against. * @param __n2 Number of characters of s. * @return Integer < 0, 0, or > 0. * * Form the substring of this string from the @a __n1 * characters starting at @a __pos. Form a string from the * first @a __n2 characters of @a __s. Returns an integer < 0 * if this substring is ordered before the string from @a __s, * 0 if their values are equivalent, or > 0 if this substring * is ordered after the string from @a __s. Determines the * effective length rlen of the strings to compare as the * smallest of the length of the substring and @a __n2. The * function then compares the two strings by calling * traits::compare(substring.data(),__s,rlen). If the result of * the comparison is nonzero returns it, otherwise the shorter * one is ordered first. * * NB: __s must have at least n2 characters, <em>\\0</em> has no special * meaning. */ int compare(size_type __pos, size_type __n1, const _CharT* __s, size_type __n2) const; }; // operator+ /** * @brief Concatenate two strings. * @param __lhs First string. * @param __rhs Last string. * @return New string with value of @a __lhs followed by @a __rhs. */ template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> __versa_string<_CharT, _Traits, _Alloc, _Base> operator+(const __versa_string<_CharT, _Traits, _Alloc, _Base>& __lhs, const __versa_string<_CharT, _Traits, _Alloc, _Base>& __rhs); /** * @brief Concatenate C string and string. * @param __lhs First string. * @param __rhs Last string. * @return New string with value of @a __lhs followed by @a __rhs. */ template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> __versa_string<_CharT, _Traits, _Alloc, _Base> operator+(const _CharT* __lhs, const __versa_string<_CharT, _Traits, _Alloc, _Base>& __rhs); /** * @brief Concatenate character and string. * @param __lhs First string. * @param __rhs Last string. * @return New string with @a __lhs followed by @a __rhs. */ template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> __versa_string<_CharT, _Traits, _Alloc, _Base> operator+(_CharT __lhs, const __versa_string<_CharT, _Traits, _Alloc, _Base>& __rhs); /** * @brief Concatenate string and C string. * @param __lhs First string. * @param __rhs Last string. * @return New string with @a __lhs followed by @a __rhs. */ template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> __versa_string<_CharT, _Traits, _Alloc, _Base> operator+(const __versa_string<_CharT, _Traits, _Alloc, _Base>& __lhs, const _CharT* __rhs); /** * @brief Concatenate string and character. * @param __lhs First string. * @param __rhs Last string. * @return New string with @a __lhs followed by @a __rhs. */ template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> __versa_string<_CharT, _Traits, _Alloc, _Base> operator+(const __versa_string<_CharT, _Traits, _Alloc, _Base>& __lhs, _CharT __rhs); #if __cplusplus >= 201103L template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> inline __versa_string<_CharT, _Traits, _Alloc, _Base> operator+(__versa_string<_CharT, _Traits, _Alloc, _Base>&& __lhs, const __versa_string<_CharT, _Traits, _Alloc, _Base>& __rhs) { return std::move(__lhs.append(__rhs)); } template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> inline __versa_string<_CharT, _Traits, _Alloc, _Base> operator+(const __versa_string<_CharT, _Traits, _Alloc, _Base>& __lhs, __versa_string<_CharT, _Traits, _Alloc, _Base>&& __rhs) { return std::move(__rhs.insert(0, __lhs)); } template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> inline __versa_string<_CharT, _Traits, _Alloc, _Base> operator+(__versa_string<_CharT, _Traits, _Alloc, _Base>&& __lhs, __versa_string<_CharT, _Traits, _Alloc, _Base>&& __rhs) { const auto __size = __lhs.size() + __rhs.size(); const bool __cond = (__size > __lhs.capacity() && __size <= __rhs.capacity()); return __cond ? std::move(__rhs.insert(0, __lhs)) : std::move(__lhs.append(__rhs)); } template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> inline __versa_string<_CharT, _Traits, _Alloc, _Base> operator+(const _CharT* __lhs, __versa_string<_CharT, _Traits, _Alloc, _Base>&& __rhs) { return std::move(__rhs.insert(0, __lhs)); } template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> inline __versa_string<_CharT, _Traits, _Alloc, _Base> operator+(_CharT __lhs, __versa_string<_CharT, _Traits, _Alloc, _Base>&& __rhs) { return std::move(__rhs.insert(0, 1, __lhs)); } template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> inline __versa_string<_CharT, _Traits, _Alloc, _Base> operator+(__versa_string<_CharT, _Traits, _Alloc, _Base>&& __lhs, const _CharT* __rhs) { return std::move(__lhs.append(__rhs)); } template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> inline __versa_string<_CharT, _Traits, _Alloc, _Base> operator+(__versa_string<_CharT, _Traits, _Alloc, _Base>&& __lhs, _CharT __rhs) { return std::move(__lhs.append(1, __rhs)); } #endif // operator == /** * @brief Test equivalence of two strings. * @param __lhs First string. * @param __rhs Second string. * @return True if @a __lhs.compare(@a __rhs) == 0. False otherwise. */ template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> inline bool operator==(const __versa_string<_CharT, _Traits, _Alloc, _Base>& __lhs, const __versa_string<_CharT, _Traits, _Alloc, _Base>& __rhs) { return __lhs.compare(__rhs) == 0; } template<typename _CharT, template <typename, typename, typename> class _Base> inline typename __enable_if<std::__is_char<_CharT>::__value, bool>::__type operator==(const __versa_string<_CharT, std::char_traits<_CharT>, std::allocator<_CharT>, _Base>& __lhs, const __versa_string<_CharT, std::char_traits<_CharT>, std::allocator<_CharT>, _Base>& __rhs) { return (__lhs.size() == __rhs.size() && !std::char_traits<_CharT>::compare(__lhs.data(), __rhs.data(), __lhs.size())); } /** * @brief Test equivalence of C string and string. * @param __lhs C string. * @param __rhs String. * @return True if @a __rhs.compare(@a __lhs) == 0. False otherwise. */ template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> inline bool operator==(const _CharT* __lhs, const __versa_string<_CharT, _Traits, _Alloc, _Base>& __rhs) { return __rhs.compare(__lhs) == 0; } /** * @brief Test equivalence of string and C string. * @param __lhs String. * @param __rhs C string. * @return True if @a __lhs.compare(@a __rhs) == 0. False otherwise. */ template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> inline bool operator==(const __versa_string<_CharT, _Traits, _Alloc, _Base>& __lhs, const _CharT* __rhs) { return __lhs.compare(__rhs) == 0; } // operator != /** * @brief Test difference of two strings. * @param __lhs First string. * @param __rhs Second string. * @return True if @a __lhs.compare(@a __rhs) != 0. False otherwise. */ template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> inline bool operator!=(const __versa_string<_CharT, _Traits, _Alloc, _Base>& __lhs, const __versa_string<_CharT, _Traits, _Alloc, _Base>& __rhs) { return !(__lhs == __rhs); } /** * @brief Test difference of C string and string. * @param __lhs C string. * @param __rhs String. * @return True if @a __rhs.compare(@a __lhs) != 0. False otherwise. */ template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> inline bool operator!=(const _CharT* __lhs, const __versa_string<_CharT, _Traits, _Alloc, _Base>& __rhs) { return !(__lhs == __rhs); } /** * @brief Test difference of string and C string. * @param __lhs String. * @param __rhs C string. * @return True if @a __lhs.compare(@a __rhs) != 0. False otherwise. */ template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> inline bool operator!=(const __versa_string<_CharT, _Traits, _Alloc, _Base>& __lhs, const _CharT* __rhs) { return !(__lhs == __rhs); } // operator < /** * @brief Test if string precedes string. * @param __lhs First string. * @param __rhs Second string. * @return True if @a __lhs precedes @a __rhs. False otherwise. */ template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> inline bool operator<(const __versa_string<_CharT, _Traits, _Alloc, _Base>& __lhs, const __versa_string<_CharT, _Traits, _Alloc, _Base>& __rhs) { return __lhs.compare(__rhs) < 0; } /** * @brief Test if string precedes C string. * @param __lhs String. * @param __rhs C string. * @return True if @a __lhs precedes @a __rhs. False otherwise. */ template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> inline bool operator<(const __versa_string<_CharT, _Traits, _Alloc, _Base>& __lhs, const _CharT* __rhs) { return __lhs.compare(__rhs) < 0; } /** * @brief Test if C string precedes string. * @param __lhs C string. * @param __rhs String. * @return True if @a __lhs precedes @a __rhs. False otherwise. */ template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> inline bool operator<(const _CharT* __lhs, const __versa_string<_CharT, _Traits, _Alloc, _Base>& __rhs) { return __rhs.compare(__lhs) > 0; } // operator > /** * @brief Test if string follows string. * @param __lhs First string. * @param __rhs Second string. * @return True if @a __lhs follows @a __rhs. False otherwise. */ template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> inline bool operator>(const __versa_string<_CharT, _Traits, _Alloc, _Base>& __lhs, const __versa_string<_CharT, _Traits, _Alloc, _Base>& __rhs) { return __lhs.compare(__rhs) > 0; } /** * @brief Test if string follows C string. * @param __lhs String. * @param __rhs C string. * @return True if @a __lhs follows @a __rhs. False otherwise. */ template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> inline bool operator>(const __versa_string<_CharT, _Traits, _Alloc, _Base>& __lhs, const _CharT* __rhs) { return __lhs.compare(__rhs) > 0; } /** * @brief Test if C string follows string. * @param __lhs C string. * @param __rhs String. * @return True if @a __lhs follows @a __rhs. False otherwise. */ template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> inline bool operator>(const _CharT* __lhs, const __versa_string<_CharT, _Traits, _Alloc, _Base>& __rhs) { return __rhs.compare(__lhs) < 0; } // operator <= /** * @brief Test if string doesn't follow string. * @param __lhs First string. * @param __rhs Second string. * @return True if @a __lhs doesn't follow @a __rhs. False otherwise. */ template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> inline bool operator<=(const __versa_string<_CharT, _Traits, _Alloc, _Base>& __lhs, const __versa_string<_CharT, _Traits, _Alloc, _Base>& __rhs) { return __lhs.compare(__rhs) <= 0; } /** * @brief Test if string doesn't follow C string. * @param __lhs String. * @param __rhs C string. * @return True if @a __lhs doesn't follow @a __rhs. False otherwise. */ template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> inline bool operator<=(const __versa_string<_CharT, _Traits, _Alloc, _Base>& __lhs, const _CharT* __rhs) { return __lhs.compare(__rhs) <= 0; } /** * @brief Test if C string doesn't follow string. * @param __lhs C string. * @param __rhs String. * @return True if @a __lhs doesn't follow @a __rhs. False otherwise. */ template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> inline bool operator<=(const _CharT* __lhs, const __versa_string<_CharT, _Traits, _Alloc, _Base>& __rhs) { return __rhs.compare(__lhs) >= 0; } // operator >= /** * @brief Test if string doesn't precede string. * @param __lhs First string. * @param __rhs Second string. * @return True if @a __lhs doesn't precede @a __rhs. False otherwise. */ template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> inline bool operator>=(const __versa_string<_CharT, _Traits, _Alloc, _Base>& __lhs, const __versa_string<_CharT, _Traits, _Alloc, _Base>& __rhs) { return __lhs.compare(__rhs) >= 0; } /** * @brief Test if string doesn't precede C string. * @param __lhs String. * @param __rhs C string. * @return True if @a __lhs doesn't precede @a __rhs. False otherwise. */ template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> inline bool operator>=(const __versa_string<_CharT, _Traits, _Alloc, _Base>& __lhs, const _CharT* __rhs) { return __lhs.compare(__rhs) >= 0; } /** * @brief Test if C string doesn't precede string. * @param __lhs C string. * @param __rhs String. * @return True if @a __lhs doesn't precede @a __rhs. False otherwise. */ template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> inline bool operator>=(const _CharT* __lhs, const __versa_string<_CharT, _Traits, _Alloc, _Base>& __rhs) { return __rhs.compare(__lhs) <= 0; } /** * @brief Swap contents of two strings. * @param __lhs First string. * @param __rhs Second string. * * Exchanges the contents of @a __lhs and @a __rhs in constant time. */ template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> inline void swap(__versa_string<_CharT, _Traits, _Alloc, _Base>& __lhs, __versa_string<_CharT, _Traits, _Alloc, _Base>& __rhs) { __lhs.swap(__rhs); } _GLIBCXX_END_NAMESPACE_VERSION } // namespace namespace std _GLIBCXX_VISIBILITY(default) { _GLIBCXX_BEGIN_NAMESPACE_VERSION /** * @brief Read stream into a string. * @param __is Input stream. * @param __str Buffer to store into. * @return Reference to the input stream. * * Stores characters from @a __is into @a __str until whitespace is * found, the end of the stream is encountered, or str.max_size() * is reached. If is.width() is non-zero, that is the limit on the * number of characters stored into @a __str. Any previous * contents of @a __str are erased. */ template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> basic_istream<_CharT, _Traits>& operator>>(basic_istream<_CharT, _Traits>& __is, __gnu_cxx::__versa_string<_CharT, _Traits, _Alloc, _Base>& __str); /** * @brief Write string to a stream. * @param __os Output stream. * @param __str String to write out. * @return Reference to the output stream. * * Output characters of @a __str into os following the same rules as for * writing a C string. */ template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> inline basic_ostream<_CharT, _Traits>& operator<<(basic_ostream<_CharT, _Traits>& __os, const __gnu_cxx::__versa_string<_CharT, _Traits, _Alloc, _Base>& __str) { // _GLIBCXX_RESOLVE_LIB_DEFECTS // 586. string inserter not a formatted function return __ostream_insert(__os, __str.data(), __str.size()); } /** * @brief Read a line from stream into a string. * @param __is Input stream. * @param __str Buffer to store into. * @param __delim Character marking end of line. * @return Reference to the input stream. * * Stores characters from @a __is into @a __str until @a __delim is * found, the end of the stream is encountered, or str.max_size() * is reached. If is.width() is non-zero, that is the limit on the * number of characters stored into @a __str. Any previous * contents of @a __str are erased. If @a delim was encountered, * it is extracted but not stored into @a __str. */ template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> basic_istream<_CharT, _Traits>& getline(basic_istream<_CharT, _Traits>& __is, __gnu_cxx::__versa_string<_CharT, _Traits, _Alloc, _Base>& __str, _CharT __delim); /** * @brief Read a line from stream into a string. * @param __is Input stream. * @param __str Buffer to store into. * @return Reference to the input stream. * * Stores characters from is into @a __str until &apos;\n&apos; is * found, the end of the stream is encountered, or str.max_size() * is reached. If is.width() is non-zero, that is the limit on the * number of characters stored into @a __str. Any previous * contents of @a __str are erased. If end of line was * encountered, it is extracted but not stored into @a __str. */ template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> inline basic_istream<_CharT, _Traits>& getline(basic_istream<_CharT, _Traits>& __is, __gnu_cxx::__versa_string<_CharT, _Traits, _Alloc, _Base>& __str) { return getline(__is, __str, __is.widen('\n')); } _GLIBCXX_END_NAMESPACE_VERSION } // namespace #if __cplusplus >= 201103L #include <ext/string_conversions.h> namespace __gnu_cxx _GLIBCXX_VISIBILITY(default) { _GLIBCXX_BEGIN_NAMESPACE_VERSION #if _GLIBCXX_USE_C99_STDLIB // 21.4 Numeric Conversions [string.conversions]. inline int stoi(const __vstring& __str, std::size_t* __idx = 0, int __base = 10) { return __gnu_cxx::__stoa<long, int>(&std::strtol, "stoi", __str.c_str(), __idx, __base); } inline long stol(const __vstring& __str, std::size_t* __idx = 0, int __base = 10) { return __gnu_cxx::__stoa(&std::strtol, "stol", __str.c_str(), __idx, __base); } inline unsigned long stoul(const __vstring& __str, std::size_t* __idx = 0, int __base = 10) { return __gnu_cxx::__stoa(&std::strtoul, "stoul", __str.c_str(), __idx, __base); } inline long long stoll(const __vstring& __str, std::size_t* __idx = 0, int __base = 10) { return __gnu_cxx::__stoa(&std::strtoll, "stoll", __str.c_str(), __idx, __base); } inline unsigned long long stoull(const __vstring& __str, std::size_t* __idx, int __base = 10) { return __gnu_cxx::__stoa(&std::strtoull, "stoull", __str.c_str(), __idx, __base); } // NB: strtof vs strtod. inline float stof(const __vstring& __str, std::size_t* __idx = 0) { return __gnu_cxx::__stoa(&std::strtof, "stof", __str.c_str(), __idx); } inline double stod(const __vstring& __str, std::size_t* __idx = 0) { return __gnu_cxx::__stoa(&std::strtod, "stod", __str.c_str(), __idx); } inline long double stold(const __vstring& __str, std::size_t* __idx = 0) { return __gnu_cxx::__stoa(&std::strtold, "stold", __str.c_str(), __idx); } #endif // _GLIBCXX_USE_C99_STDLIB #if _GLIBCXX_USE_C99_STDIO // NB: (v)snprintf vs sprintf. // DR 1261. inline __vstring to_string(int __val) { return __gnu_cxx::__to_xstring<__vstring>(&std::vsnprintf, 4 * sizeof(int), "%d", __val); } inline __vstring to_string(unsigned __val) { return __gnu_cxx::__to_xstring<__vstring>(&std::vsnprintf, 4 * sizeof(unsigned), "%u", __val); } inline __vstring to_string(long __val) { return __gnu_cxx::__to_xstring<__vstring>(&std::vsnprintf, 4 * sizeof(long), "%ld", __val); } inline __vstring to_string(unsigned long __val) { return __gnu_cxx::__to_xstring<__vstring>(&std::vsnprintf, 4 * sizeof(unsigned long), "%lu", __val); } inline __vstring to_string(long long __val) { return __gnu_cxx::__to_xstring<__vstring>(&std::vsnprintf, 4 * sizeof(long long), "%lld", __val); } inline __vstring to_string(unsigned long long __val) { return __gnu_cxx::__to_xstring<__vstring>(&std::vsnprintf, 4 * sizeof(unsigned long long), "%llu", __val); } inline __vstring to_string(float __val) { const int __n = __numeric_traits<float>::__max_exponent10 + 20; return __gnu_cxx::__to_xstring<__vstring>(&std::vsnprintf, __n, "%f", __val); } inline __vstring to_string(double __val) { const int __n = __numeric_traits<double>::__max_exponent10 + 20; return __gnu_cxx::__to_xstring<__vstring>(&std::vsnprintf, __n, "%f", __val); } inline __vstring to_string(long double __val) { const int __n = __numeric_traits<long double>::__max_exponent10 + 20; return __gnu_cxx::__to_xstring<__vstring>(&std::vsnprintf, __n, "%Lf", __val); } #endif // _GLIBCXX_USE_C99_STDIO #if defined(_GLIBCXX_USE_WCHAR_T) && _GLIBCXX_USE_C99_WCHAR inline int stoi(const __wvstring& __str, std::size_t* __idx = 0, int __base = 10) { return __gnu_cxx::__stoa<long, int>(&std::wcstol, "stoi", __str.c_str(), __idx, __base); } inline long stol(const __wvstring& __str, std::size_t* __idx = 0, int __base = 10) { return __gnu_cxx::__stoa(&std::wcstol, "stol", __str.c_str(), __idx, __base); } inline unsigned long stoul(const __wvstring& __str, std::size_t* __idx = 0, int __base = 10) { return __gnu_cxx::__stoa(&std::wcstoul, "stoul", __str.c_str(), __idx, __base); } inline long long stoll(const __wvstring& __str, std::size_t* __idx = 0, int __base = 10) { return __gnu_cxx::__stoa(&std::wcstoll, "stoll", __str.c_str(), __idx, __base); } inline unsigned long long stoull(const __wvstring& __str, std::size_t* __idx = 0, int __base = 10) { return __gnu_cxx::__stoa(&std::wcstoull, "stoull", __str.c_str(), __idx, __base); } // NB: wcstof vs wcstod. inline float stof(const __wvstring& __str, std::size_t* __idx = 0) { return __gnu_cxx::__stoa(&std::wcstof, "stof", __str.c_str(), __idx); } inline double stod(const __wvstring& __str, std::size_t* __idx = 0) { return __gnu_cxx::__stoa(&std::wcstod, "stod", __str.c_str(), __idx); } inline long double stold(const __wvstring& __str, std::size_t* __idx = 0) { return __gnu_cxx::__stoa(&std::wcstold, "stold", __str.c_str(), __idx); } #ifndef _GLIBCXX_HAVE_BROKEN_VSWPRINTF // DR 1261. inline __wvstring to_wstring(int __val) { return __gnu_cxx::__to_xstring<__wvstring>(&std::vswprintf, 4 * sizeof(int), L"%d", __val); } inline __wvstring to_wstring(unsigned __val) { return __gnu_cxx::__to_xstring<__wvstring>(&std::vswprintf, 4 * sizeof(unsigned), L"%u", __val); } inline __wvstring to_wstring(long __val) { return __gnu_cxx::__to_xstring<__wvstring>(&std::vswprintf, 4 * sizeof(long), L"%ld", __val); } inline __wvstring to_wstring(unsigned long __val) { return __gnu_cxx::__to_xstring<__wvstring>(&std::vswprintf, 4 * sizeof(unsigned long), L"%lu", __val); } inline __wvstring to_wstring(long long __val) { return __gnu_cxx::__to_xstring<__wvstring>(&std::vswprintf, 4 * sizeof(long long), L"%lld", __val); } inline __wvstring to_wstring(unsigned long long __val) { return __gnu_cxx::__to_xstring<__wvstring>(&std::vswprintf, 4 * sizeof(unsigned long long), L"%llu", __val); } inline __wvstring to_wstring(float __val) { const int __n = __numeric_traits<float>::__max_exponent10 + 20; return __gnu_cxx::__to_xstring<__wvstring>(&std::vswprintf, __n, L"%f", __val); } inline __wvstring to_wstring(double __val) { const int __n = __numeric_traits<double>::__max_exponent10 + 20; return __gnu_cxx::__to_xstring<__wvstring>(&std::vswprintf, __n, L"%f", __val); } inline __wvstring to_wstring(long double __val) { const int __n = __numeric_traits<long double>::__max_exponent10 + 20; return __gnu_cxx::__to_xstring<__wvstring>(&std::vswprintf, __n, L"%Lf", __val); } #endif // _GLIBCXX_HAVE_BROKEN_VSWPRINTF #endif // _GLIBCXX_USE_WCHAR_T && _GLIBCXX_USE_C99_WCHAR _GLIBCXX_END_NAMESPACE_VERSION } // namespace #endif #if __cplusplus >= 201103L #include <bits/functional_hash.h> namespace std _GLIBCXX_VISIBILITY(default) { _GLIBCXX_BEGIN_NAMESPACE_VERSION /// std::hash specialization for __vstring. template<> struct hash<__gnu_cxx::__vstring> : public __hash_base<size_t, __gnu_cxx::__vstring> { size_t operator()(const __gnu_cxx::__vstring& __s) const noexcept { return std::_Hash_impl::hash(__s.data(), __s.length()); } }; #ifdef _GLIBCXX_USE_WCHAR_T /// std::hash specialization for __wvstring. template<> struct hash<__gnu_cxx::__wvstring> : public __hash_base<size_t, __gnu_cxx::__wvstring> { size_t operator()(const __gnu_cxx::__wvstring& __s) const noexcept { return std::_Hash_impl::hash(__s.data(), __s.length() * sizeof(wchar_t)); } }; #endif /// std::hash specialization for __u16vstring. template<> struct hash<__gnu_cxx::__u16vstring> : public __hash_base<size_t, __gnu_cxx::__u16vstring> { size_t operator()(const __gnu_cxx::__u16vstring& __s) const noexcept { return std::_Hash_impl::hash(__s.data(), __s.length() * sizeof(char16_t)); } }; /// std::hash specialization for __u32vstring. template<> struct hash<__gnu_cxx::__u32vstring> : public __hash_base<size_t, __gnu_cxx::__u32vstring> { size_t operator()(const __gnu_cxx::__u32vstring& __s) const noexcept { return std::_Hash_impl::hash(__s.data(), __s.length() * sizeof(char32_t)); } }; _GLIBCXX_END_NAMESPACE_VERSION } // namespace #endif // C++11 #include <ext/vstring.tcc> #endif /* _VSTRING_H */