. * @param first An input iterator. * @param last An input iterator. * * Create a %set consisting of copies of the elements from [first,last). * This is linear in N if the range is already sorted, and NlogN * otherwise (where N is distance(first,last)). */ template set(_InputIterator __first, _InputIterator __last) : _M_t() { _M_t._M_insert_unique(__first, __last); } /** * @brief Builds a %set from a range. * @param first An input iterator. * @param last An input iterator. * @param comp A comparison functor. * @param a An allocator object. * * Create a %set consisting of copies of the elements from [first,last). * This is linear in N if the range is already sorted, and NlogN * otherwise (where N is distance(first,last)). */ template set(_InputIterator __first, _InputIterator __last, const _Compare& __comp, const allocator_type& __a = allocator_type()) : _M_t(__comp, __a) { _M_t._M_insert_unique(__first, __last); } /** * @brief %Set copy constructor. * @param x A %set of identical element and allocator types. * * The newly-created %set uses a copy of the allocation object used * by @a x. */ set(const set& __x) : _M_t(__x._M_t) { } #ifdef __GXX_EXPERIMENTAL_CXX0X__ /** * @brief %Set move constructor * @param x A %set of identical element and allocator types. * * The newly-created %set contains the exact contents of @a x. * The contents of @a x are a valid, but unspecified %set. */ set(set&& __x) : _M_t(std::forward<_Rep_type>(__x._M_t)) { } #endif /** * @brief %Set assignment operator. * @param x A %set of identical element and allocator types. * * All the elements of @a x are copied, but unlike the copy constructor, * the allocator object is not copied. */ set& operator=(const set& __x) { _M_t = __x._M_t; return *this; } #ifdef __GXX_EXPERIMENTAL_CXX0X__ /** * @brief %Set move assignment operator. * @param x A %set of identical element and allocator types. * * The contents of @a x are moved into this %set (without copying). * @a x is a valid, but unspecified %set. */ set& operator=(set&& __x) { // NB: DR 675. this->clear(); this->swap(__x); return *this; } #endif // accessors: /// Returns the comparison object with which the %set was constructed. key_compare key_comp() const { return _M_t.key_comp(); } /// Returns the comparison object with which the %set was constructed. value_compare value_comp() const { return _M_t.key_comp(); } /// Returns the allocator object with which the %set was constructed. allocator_type get_allocator() const { return _M_t.get_allocator(); } /** * Returns a read-only (constant) iterator that points to the first * element in the %set. Iteration is done in ascending order according * to the keys. */ iterator begin() const { return _M_t.begin(); } /** * Returns a read-only (constant) iterator that points one past the last * element in the %set. Iteration is done in ascending order according * to the keys. */ iterator end() const { return _M_t.end(); } /** * Returns a read-only (constant) iterator that points to the last * element in the %set. Iteration is done in descending order according * to the keys. */ reverse_iterator rbegin() const { return _M_t.rbegin(); } /** * Returns a read-only (constant) reverse iterator that points to the * last pair in the %set. Iteration is done in descending order * according to the keys. */ reverse_iterator rend() const { return _M_t.rend(); } #ifdef __GXX_EXPERIMENTAL_CXX0X__ /** * Returns a read-only (constant) iterator that points to the first * element in the %set. Iteration is done in ascending order according * to the keys. */ iterator cbegin() const { return _M_t.begin(); } /** * Returns a read-only (constant) iterator that points one past the last * element in the %set. Iteration is done in ascending order according * to the keys. */ iterator cend() const { return _M_t.end(); } /** * Returns a read-only (constant) iterator that points to the last * element in the %set. Iteration is done in descending order according * to the keys. */ reverse_iterator crbegin() const { return _M_t.rbegin(); } /** * Returns a read-only (constant) reverse iterator that points to the * last pair in the %set. Iteration is done in descending order * according to the keys. */ reverse_iterator crend() const { return _M_t.rend(); } #endif /// Returns true if the %set is empty. bool empty() const { return _M_t.empty(); } /// Returns the size of the %set. size_type size() const { return _M_t.size(); } /// Returns the maximum size of the %set. size_type max_size() const { return _M_t.max_size(); } /** * @brief Swaps data with another %set. * @param x A %set of the same element and allocator types. * * This exchanges the elements between two sets in constant time. * (It is only swapping a pointer, an integer, and an instance of * the @c Compare type (which itself is often stateless and empty), so it * should be quite fast.) * Note that the global std::swap() function is Ç(È(É(Ê(Ë(Ì(Í(Î(Ï(Ð(Ñ(Ò(specialized such that * std::swap(s1,s2) will feed to this function. */ void #ifdef __GXX_EXPERIMENTAL_CXX0X__ swap(set&& __x) #else swap(set& __x) #endif { _M_t.swap(__x._M_t); } // insert/erase /** * @brief Attempts to insert an element into the %set. * @param x Element to be inserted. * @return A pair, of which the first element is an iterator that points * to the possibly inserted element, and the second is a bool * that is true if the element was actually inserted. * * This function attempts to insert an element into the %set. A %set * relies on unique keys and thus an element is only inserted if it is * not already present in the %set. * * Insertion requires logarithmic time. */ std::pair insert(const value_type& __x) { std::pair __p = _M_t._M_insert_unique(__x); return std::pair(__p.first, __p.second); } /** * @brief Attempts to insert an element into the %set. * @param position An iterator that serves as a hint as to where the * element should be inserted. * @param x Element to be inserted. * @return An iterator that points to the element with key of @a x (may * or may not be the element passed in). * * This function is not concerned about whether the insertion took place, * and thus does not return a boolean like the single-argument insert() * does. Note that the first parameter is only a hint and can * potentially improve the performance of the insertion process. A bad * hint would cause no gains in efficiency. * * For more on "hinting", see: * http://gcc.gnu.org/onlinedocs/libstdc++/manual/bk01pt07ch17.html * * Insertion requires logarithmic time (if the hint is not taken). */ iterator insert(iterator __position, const value_type& __x) { return _M_t._M_insert_unique_(__position, __x); } /** * @brief A template function that attempts to insert a range * of elements. * @param first Iterator pointing to the start of the range to be * inserted. * @param last Iterator pointing to the end of the range. * * Complexity similar to that of the range constructor. */ template void insert(_InputIterator __first, _InputIterator __last) { _M_t._M_insert_unique(__first, __last); } /** * @brief Erases an element from a %set. * @param position An iterator pointing to the element to be erased. * * This function erases an element, pointed to by the given iterator, * from a %set. Note that this function only erases the element, and * that if the element is itself a pointer, the pointed-to memory is not * touched in any way. Managing the pointer is the user's responsibility. */ void erase(iterator __position) { _M_t.erase(__position); } /** * @brief Erases elements according to the provided key. * @param x Key of element to be erased. * @return The number of elements erased. * * This function erases all the elements located by the given key from * a %set. * Note that this function only erases the element, and that if * the element is itself a pointer, the pointed-to memory is not touched * in any way. Managing the pointer is the user's responsibility. */ size_type erase(const key_type& __x) { return _M_t.erase(__x); } /** * @brief Erases a [first,last) range of elements from a %set. * @param first Iterator pointing to the start of the range to be * erased. * @param last Iterator pointing to the end of the range to be erased. * * This function erases a sequence of elements from a %set. * Note that this function only erases the element, and that if * the element is itself a pointer, the pointed-to memory is not touched * in any way. Managing the pointer is the user's responsibility. */ void erase(iterator __first, iterator __last) { _M_t.erase(__first, __last); } /** * Erases all elements in a %set. Note that this function only erases * the elements, and that if the elements themselves are pointers, the * pointed-to memory is not touched in any way. Managing the pointer is * the user's responsibility. */ void clear() { _M_t.clear(); } // set operations: /** * @brief Finds the number of elements. * @param x Element to located. * @return Number of elements with specified key. * * This function only makes sense for multisets; for set the result will * either be 0 (not present) or 1 (present). */ size_type count(const key_type& __x) const { return _M_t.find(__x) == _M_t.end() ? 0 : 1; } // _GLIBCXX_RESOLVE_LIB_DEFECTS // 214. set::find() missing const overload //@{ /** * @brief Tries to locate an element in a %set. * @param x Element to be located. * @return Iterator pointing to sought-after element, or end() if not * found. * * This function takes a key and tries to locate the element with which * the key matches. If successful the function returns an iterator * pointing to the sought after element. If unsuccessful it returns the * past-the-end ( @c end() ) iterator. */ iterator find(const key_type& __x) { return _M_t.find(__x); } const_iterator find(const key_type& __x) const { return _M_t.find(__x); } //@} //@{ /** * @brief Finds the beginning of a subsequence matching given key. * @param x Key to be located. * @return Iterator pointing to first element equal to or greater * than key, or end(). * * This function returns the first element of a subsequence of elements * that matches the given key. If unsuccessful it returns an iterator * pointing to the first element that has a greater value than given key * or end() if no such element exists. */ iterator lower_bound(const key_type& __x) { return _M_t.lower_bound(__x); } const_iterator lower_bound(const key_type& __x) const { return _M_t.lower_bound(__x); } //@} //@{ /** * @brief Finds the end of a subsequence matching given key. * @param x Key to be located. * @return Iterator pointing to the first element * greater than key, or end(). */ iterator upper_bound(const key_type& __x) { return _M_t.upper_bound(__x); } const_iterator upper_bound(const key_type& __x) const { return _M_t.upper_bound(__x); } //@} //@{ /** * @brief Finds a subsequence matching given key. * @param x Key to be located. * @return Pair of iterators that possibly points to the subsequence * matching given key. * * This function is equivalent to * @code * std::make_pair(c.lower_bound(val), * c.upper_bound(val)) * @endcode * (but is faster than making the calls separately). * * This function probably only makes sense for multisets. */ std::pair equal_range(const key_type& __x) { return _M_t.equal_range(__x); } std::pair equal_range(const key_type& __x) const { return _M_t.equal_range(__x); } //@} template friend bool operator==(const set<_K1, _C1, _A1>&, const set<_K1, _C1, _A1>&); template friend bool operator<(const set<_K1, _C1, _A1>&, const set<_K1, _C1, _A1>&); }; /** * @brief Set equality comparison. * @param x A %set. * @param y A %set of the same type as @a x. * @return True iff the size and elements of the sets are equal. * * This is an equivalence relation. It is linear in the size of the sets. * Sets are considered equivalent if their sizes are equal, and if * corresponding elements compare equal. */ template inline bool operator==(const set<_Key, _Compare, _Alloc>& __x, const set<_Key, _Compare, _Alloc>& __y) { return __x._M_t == __y._M_t; } /** * @brief Set ordering relation. * @param x A %set. * @param y A %set of the same type as @a x. * @return True iff @a x is lexicographically less than @a y. * * This is a total ordering relation. It is linear in the size of the * maps. The elements must be comparable with @c <. * * See std::lexicographical_compare() for how the determination is made. */ template inline bool operator<(const set<_Key, _Compare, _Alloc>& __x, const set<_Key, _Compare, _Alloc>& __y) { return __x._M_t < __y._M_t; } /// Returns !(x == y). template inline bool operator!=(const set<_Key, _Compare, _Alloc>& __x, const set<_Key, _Compare, _Alloc>& __y) { return !(__x == __y); } /// Returns y < x. template inline bool operator>(const set<_Key, _Compare, _Alloc>& __x, const set<_Key, _Compare, _Alloc>& __y) { return __y < __x; } /// Returns !(y < x) template inline bool operator<=(const set<_Key, _Compare, _Alloc>& __x, const set<_Key, _Compare, _Alloc>& __y) { return !(__y < __x); } /// Returns !(x < y) template inline bool operator>=(const set<_Key, _Compare, _Alloc>& __x, const set<_Key, _Compare, _Alloc>& __y) { return !(__x < __y); } /// See std::set::swap(). template inline void swap(set<_Key, _Compare, _Alloc>& __x, set<_Key, _Compare, _Alloc>& __y) { __x.swap(__y); } #ifdef __GXX_EXPERIMENTAL_CXX0X__ template inline void swap(set<_Key, _Compare, _Alloc>&& __x, set<_Key, _Compare, _Alloc>& __y) { __x.swap(__y); } template inline void swap(set<_Key, _Compare, _Alloc>& __x, set<_Key, _Compare, _Alloc>&& __y) { __x.swap(__y); } #endif _GLIBCXX_END_NESTED_NAMESPACE #endif /* _STL_SET_H */ // Temporary buffer implementation -*- C++ -*- // Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 // 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 2, 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. // You should have received a copy of the GNU General Public License along // with this library; see the file COPYING. If not, write to the Free // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, // USA. // As a special exception, you may use this file as part of a free software // library without restriction. Specifically, if other files instantiate // templates or use macros or inline functions from this file, or you compile // this file and link it with other files to produce an executable, this // file does not by itself cause the resulting executable to be covered by // the GNU General Public License. This exception does not however // invalidate any other reasons why the executable file might be covered by // the GNU General Public License. /* * * Copyright (c) 1994 * Hewlett-Packard Company * * Permission to use, copy, modify, distribute and sell this software * and its documentation for any purpose is hereby granted without fee, * provided that the above copyright notice appear in all copies and * that both that copyright notice and this permission notice appear * in supporting documentation. Hewlett-Packard Company makes no * representations about the suitability of this software for any * purpose. It is provided "as is" without express or implied warranty. * * * Copyright (c) 1996,1997 * Silicon Graphics Computer Systems, Inc. * * Permission to use, copy, modify, distribute and sell this software * and its documentation for any purpose is hereby granted without fee, * provided that the above copyright notice appear in all copies and * that both that copyright notice and this permission notice appear * in supporting documentation. Silicon Graphics makes no * representations about the suitability of this software for any * purpose. It is provided "as is" without express or implied warranty. */ /** @file stl_tempbuf.h * This is an internal header file, included by other library headers. * You should not attempt to use it directly. */ #ifndef _STL_TEMPBUF_H #define _STL_TEMPBUF_H 1 #include #include #include _GLIBCXX_BEGIN_NAMESPACE(std) /** * @brief Allocates a temporary buffer. * @param len The number of objects of type Tp. * @return See full description. * * Reinventing the wheel, but this time with prettier spokes! * * This function tries to obtain storage for @c len adjacent Tp * objects. The objects themselves are not constructed, of course. * A pair<> is returned containing "the buffer s address and * capacity (in the units of sizeof(Tp)), or a pair of 0 values if * no storage can be obtained." Note that the capacity obtained * may be less than that requested if the memory is unavailable; * you should compare len with the .second return value. * * Provides the nothrow exception guarantee. */ template pair<_Tp*, ptrdiff_t> get_temporary_buffer(ptrdiff_t __len) { const ptrdiff_t __max = __gnu_cxx::__numeric_traits::__max / sizeof(_Tp); if (__len > __max) __len = __max; while (__len > 0) { _Tp* __tmp = static_cast<_Tp*>(::operator new(__len * sizeof(_Tp), std::nothrow)); if (__tmp != 0) return std::pair<_Tp*, ptrdiff_t>(__tmp, __len); __len /= 2; } return std::pair<_Tp*, ptrdiff_t>(static_cast<_Tp*>(0), 0); } /** * @brief The companion to get_temporary_buffer(). * @param p A buffer previously allocated by get_temporary_buffer. * @return None. * * Frees the memory pointed to by p. */ template inline void return_temporary_buffer(_Tp* __p) { ::operator delete(__p, std::nothrow); } /** * This class is used in two places: stl_algo.h and ext/memory, * where it is wrapped as the temporary_buffer class. See * temporary_buffer docs for more notes. */ template class _Temporary_buffer { // concept requirements __glibcxx_class_requires(_ForwardIterator, _ForwardIteratorConcept) public: typedef _Tp value_type; typedef value_type* pointer; typedef pointer iterator; typedef ptrdiff_t size_type; protected: size_type _M_original_len; size_type _M_len; pointer _M_buffer; public: /// As per Table mumble. size_type size() const { return _M_len; } /// Returns the size requested by the constructor; may be >size(). size_type requested_size() const { return _M_original_len; } /// As per Table mumble. iterator begin() { return _M_buffer; } /// As per Table mumble. iterator end() { return _M_buffer + _M_len; } /** * Constructs a temporary buffer of a size somewhere between * zero and the size of the given range. */ _Temporary_buffer(_ForwardIterator __first, _ForwardIterator __last); ~_Temporary_buffer() { std::_Destroy(_M_buffer, _M_buffer + _M_len); std::return_temporary_buffer(_M_buffer); } private: // Disable copy constructor and assignment operator. _Temporary_buffer(const _Temporary_buffer&); void operator=(const _Temporary_buffer&); }; template _Temporary_buffer<_ForwardIterator, _Tp>:: _Temporary_buffer(_ForwardIterator __first, _ForwardIterator __last) : _M_original_len(std::distance(__first, __last)), _M_len(0), _M_buffer(0) { try { std::pair __p(std::get_temporary_buffer< value_type>(_M_original_len)); _M_buffer = __p.first; _M_len = __p.second; if (!__is_pod(_Tp) && _M_len > 0) std::uninitialized_fill_n(_M_buffer, _M_len, *__first); } catch(...) { std::return_temporary_buffer(_M_buffer); _M_buffer = 0; _M_len = 0; __throw_exception_again; } } _GLIBCXX_END_NAMESPACE #endif /* _STL_TEMPBUF_H */ // String based streams -*- C++ -*- // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, // 2006, 2007 // 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 2, 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. // You should have received a copy of the GNU General Public License along // with this library; see the file COPYING. If not, write to the Free // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, // USA. // As a special exception, you may use this file as part of a free software // library without restriction. Specifically, if other files instantiate // templates or use macros or inline functions from this file, or you compile // this file and link it with other files to produce an executable, this // file does not by itself cause the resulting executable to be covered by // the GNU General Public License. This exception does not however // invalidate any other reasons why the executable file might be covered by // the GNU General Public License. /** @file sstream.tcc * This is an internal header file, included by other library headers. * You should not attempt to use it directly. */ // // ISO C++ 14882: 27.7 String-based streams // #ifndef _SSTREAM_TCC #define _SSTREAM_TCC 1 #pragma GCC system_header _GLIBCXX_BEGIN_NAMESPACE(std) template typename basic_stringbuf<_CharT, _Traits, _Alloc>::int_type basic_stringbuf<_CharT, _Traits, _Alloc>:: pbackfail(int_type __c) { int_type __ret = traits_type::eof(); if (this->eback() < this->gptr()) { // Try to put back __c into input sequence in one of three ways. // Order these tests done in is unspecified by the standard. const bool __testeof = traits_type::eq_int_type(__c, __ret); if (!__testeof) { const bool __testeq = traits_type::eq(traits_type:: to_char_type(__c), this->gptr()[-1]); const bool __testout = this->_M_mode & ios_base::out; if (__testeq || __testout) { this->gbump(-1); if (!__testeq) *this->gptr() = traits_type::to_char_type(__c); __ret = __c; } } else { this->gbump(-1); __ret = traits_type::not_eof(__c); } } return __ret; } template typename basic_stringbuf<_CharT, _Traits, _Alloc>::int_type basic_stringbuf<_CharT, _Traits, _Alloc>:: overflow(int_type __c) { const bool __testout = this->_M_mode & ios_base::out; if (__builtin_expect(!__testout, false)) return traits_type::eof(); const bool __testeof = traits_type::eq_int_type(__c, traits_type::eof()); if (__builtin_expect(__testeof, false)) return traits_type::not_eof(__c); const __size_type __capacity = _M_string.capacity(); const __size_type __max_size = _M_string.max_size(); const bool __testput = this->pptr() < this->epptr(); if (__builtin_expect(!__testput && __capacity == __max_size, false)) return traits_type::eof(); // Try to append __c into output sequence in one of two ways. // Order these tests done in is unspecified by the standard. const char_type __conv = traits_type::to_char_type(__c); if (!__testput) { // NB: Start ostringstream buffers at 512 chars. This is an // experimental value (pronounced "arbitrary" in some of the // hipper English-speaking countries), and can be changed to // suit particular needs. // // _GLIBCXX_RESOLVE_LIB_DEFECTS // 169. Bad efficiency of overflow() mandated // 432. stringbuf::overflow() makes only one write position // available const __size_type __opt_len = std::max(__size_type(2 * __capacity), __size_type(512)); const __size_type __len = std::min(__opt_len, __max_size); __string_type __tmp; __tmp.reserve(__len); if (this->pbase()) __tmp.assign(this->pbase(), this->epptr() - this->pbase()); __tmp.push_back(__conv); _M_string.swap(__tmp); _M_sync(const_cast(_M_string.data()), this->gptr() - this->eback(), this->pptr() - this->pbase()); } else *this->pptr() = __conv; this->pbump(1); return __c; } template typename basic_stringbuf<_CharT, _Traits, _Alloc>::int_type basic_stringbuf<_CharT, _Traits, _Alloc>:: underflow() { int_type __ret = traits_type::eof(); const bool __testin = this->_M_mode & ios_base::in; if (__testin) { // Update egptr() to match the actual string end. _M_update_egptr(); if (this->gptr() < this->egptr()) __ret = traits_type::to_int_type(*this->gptr()); } return __ret; } template typename basic_stringbuf<_CharT, _Traits, _Alloc>::pos_type basic_stringbuf<_CharT, _Traits, _Alloc>:: seekoff(off_type __off, ios_base::seekdir __way, ios_base::openmode __mode) { pos_type __ret = pos_type(off_type(-1)); bool __testin = (ios_base::in & this->_M_mode & __mode) != 0; bool __testout = (ios_base::out & this->_M_mode & __mode) != 0; const bool __testboth = __testin && __testout && __way != ios_base::cur; __testin &= !(__mode & ios_base::out); __testout &= !(__mode & ios_base::in); // _GLIBCXX_RESOLVE_LIB_DEFECTS // 453. basic_stringbuf::seekoff need not always fail for an empty stream. const char_type* __beg = __testin ? this->eback() : this->pbase(); if ((__beg || !__off) && (__testin || __testout || __testboth)) { _M_update_egptr(); off_type __newoffi = __off; off_type __newoffo = __newoffi; if (__way == ios_base::cur) { __newoffi += this->gptr() - __beg; __newoffo += this->pptr() - __beg; } else if (__way == ios_base::end) __newoffo = __newoffi += this->egptr() - __beg; if ((__testin || __testboth) && __newoffi >= 0 && this->egptr() - __beg >= __newoffi) { this->gbump((__beg + __newoffi) - this->gptr()); __ret = pos_type(__newoffi); } if ((__testout || __testboth) && __newoffo >= 0 && this->egptr() - __beg >= __newoffo) { this->pbump((__beg + __newoffo) - this->pptr()); __ret = pos_type(__newoffo); } } return __ret; } template typename basic_stringbuf<_CharT, _Traits, _Alloc>::pos_type basic_stringbuf<_CharT, _Traits, _Alloc>:: seekpos(pos_type __sp, ios_base::openmode __mode) { pos_type __ret = pos_type(off_type(-1)); const bool __testin = (ios_base::in & this->_M_mode & __mode) != 0; const bool __testout = (ios_base::out & this->_M_mode & __mode) != 0; const char_type* __beg = __testin ? this->eback() : this->pbase(); if ((__beg || !off_type(__sp)) && (__testin || __testout)) { _M_update_egptr(); const off_type __pos(__sp); const bool __testpos = (0 <= __pos && __pos <= this->egptr() - __beg); if (__testpos) { if (__testin) this->gbump((__beg + __pos) - this->gptr()); if (__testout) this->pbump((__beg + __pos) - this->pptr()); __ret = __sp; } } return __ret; } template void basic_stringbuf<_CharT, _Traits, _Alloc>:: _M_sync(char_type* __base, __size_type __i, __size_type __o) { const bool __testin = _M_mode & ios_base::in; const bool __testout = _M_mode & ios_base::out; char_type* __endg = __base + _M_string.size(); char_type* __endp = __base + _M_string.capacity(); if (__base != _M_string.data()) { // setbuf: __i == size of buffer area (_M_string.size() == 0). __endg += __i; __i = 0; __endp = __endg; } if (__testin) this->setg(__base, __base + __i, __endg); if (__testout) { this->setp(__base, __endp); this->pbump(__o); // egptr() always tracks the string end. When !__testin, // for the correct functioning of the streambuf inlines // the other get area pointers are identical. if (!__testin) this->setg(__endg, __endg, __endg); } } // Inhibit implicit instantiations for required instantiations, // which are defined via explicit instantiations elsewhere. // NB: This syntax is a GNU extension. #if _GLIBCXX_EXTERN_TEMPLATE extern template class basic_stringbuf; extern template class basic_istringstream; extern template class basic_ostringstream; extern template class basic_stringstream; #ifdef _GLIBCXX_USE_WCHAR_T extern template class basic_stringbuf; extern template class basic_istringstream; extern template class basic_ostringstream; extern template class basic_stringstream; #endif #endif _GLIBCXX_END_NAMESPACE #endif // Multiset implementation -*- C++ -*- // Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 // 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 2, 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. // You should have received a copy of the GNU General Public License along // with this library; see the file COPYING. If not, write to the Free // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, // USA. // As a special exception, you may use this file as part of a free software // library without restriction. Specifically, if other files instantiate // templates or use macros or inline functions from this file, or you compile // this file and link it with other files to produce an executable, this // file does not by itself cause the resulting executable to be covered by // the GNU General Public License. This exception does not however // invalidate any other reasons why the executable file might be covered by // the GNU General Public License. /* * * Copyright (c) 1994 * Hewlett-Packard Company * * Permission to use, copy, modify, distribute and sell this software * and its documentation for any purpose is hereby granted without fee, * provided that the above copyright notice appear in all copies and * that both that copyright notice and this permission notice appear * in supporting documentation. Hewlett-Packard Company makes no * representations about the suitability of this software for any * purpose. It is provided "as is" without express or implied warranty. * * * Copyright (c) 1996 * Silicon Graphics Computer Systems, Inc. * * Permission to use, copy, modify, distribute and sell this software * and its documentation for any purpose is hereby granted without fee, * provided that the above copyright notice appear in all copies and * that both that copyright notice and this permission notice appear * in supporting documentation. Silicon Graphics makes no * representations about the suitability of this software for any * purpose. It is provided "as is" without express or implied warranty. */ /** @file stl_multiset.h * This is an internal header file, included by other library headers. * You should not attempt to use it directly. */ #ifndef _STL_MULTISET_H #define _STL_MULTISET_H 1 #include _GLIBCXX_BEGIN_NESTED_NAMESPACE(std, _GLIBCXX_STD_D) /** * @brief A standard container made up of elements, which can be retrieved * in logarithmic time. * * @ingroup Containers * @ingroup Assoc_containers * * Meets the requirements of a container, a * reversible container, and an * associative container (using equivalent * keys). For a @c multiset the key_type and value_type are Key. * * Multisets support bidirectional iterators. * * The private tree data is declared exactly the same way for set and * multiset; the distinction is made entirely in how the tree functions are * called (*_unique versus *_equal, same as the standard). */ template , typename _Alloc = std::allocator<_Key> > class multiset { // concept requirements typedef typename _Alloc::value_type _Alloc_value_type; __glibcxx_class_requires(_Key, _SGIAssignableConcept) __glibcxx_class_requires4(_Compare, bool, _Key, _Key, _BinaryFunctionConcept) __glibcxx_class_requires2(_Key, _Alloc_value_type, _SameTypeConcept) public: // typedefs: typedef _Key key_type; typedef _Key value_type; typedef _Compare key_compare; typedef _Compare value_compare; typedef _Alloc allocator_type; private: /// This turns a red-black tree into a [multi]set. typedef typename _Alloc::template rebind<_Key>::other _Key_alloc_type; typedef _Rb_tree, key_compare, _Key_alloc_type> _Rep_type; /// The actual tree structure. _Rep_type _M_t; public: typedef typename _Key_alloc_type::pointer pointer; typedef typename _Key_alloc_type::const_pointer const_pointer; typedef typename _Key_alloc_type::reference reference; typedef typename _Key_alloc_type::const_reference const_reference; // _GLIBCXX_RESOLVE_LIB_DEFECTS // DR 103. set::iterator is required to be modifiable, // but this allows modification of keys. typedef typename _Rep_type::const_iterator iterator; typedef typename _Rep_type::const_iterator const_iterator; typedef typename _Rep_type::const_reverse_iterator reverse_iterator; typedef typename _Rep_type::const_reverse_iterator const_reverse_iterator; typedef typename _Rep_type::size_type size_type; typedef typename _Rep_type::difference_type difference_type; // allocation/deallocation /** * @brief Default constructor creates no elements. */ multiset() : _M_t() { } /** * @brief Creates a %multiset with no elements. * @param comp Comparator to use. * @param a An allocator object. */ explicit multiset(const _Compare& __comp, const allocator_type& __a = allocator_type()) : _M_t(__comp, __a) { } /** * @brief Builds a %multiset from a range. * @param first An input iterator. * @param last An input iterator. * * Create a %multiset consisting of copies of the elements from * [first,last). This is linear in N if the range is already sorted, * and NlogN otherwise (where N is distance(first,last)). */ template multiset(_InputIterator __first, _InputIterator __last) : _M_t() { _M_t._M_insert_equal(__first, __last); } /** * @brief Builds a %multiset from a range. * @param first An input iterator. * @param last An input iterator. * @param comp A comparison functor. * @param a An allocator object. * * Create a %multiset consisting of copies of the elements from * [first,last). This is linear in N if the range is already sorted, * and NlogN otherwise (where N is distance(first,last)). */ template multiset(_InputIterator __first, _InputIterator __last, const _Compare& __comp, const allocator_type& __a = allocator_type()) : _M_t(__comp, __a) { _M_t._M_insert_equal(__first, __last); } /** * @brief %Multiset copy constructor. * @param x A %multiset of identical element and allocator types. * * The newly-created %multiset uses a copy of the allocation object used * by @a x. */ multiset(const multiset& __x) : _M_t(__x._M_t) { } #ifdef __GXX_EXPERIMENTAL_CXX0X__ /** * @brief %Multiset move constructor. * @param x A %multiset of identical element and allocator types. * * The newly-created %multiset contains the exact contents of @a x. * The contents of @a x are a valid, but unspecified %multiset. */ multiset(multiset&& __x) : _M_t(std::forward<_Rep_type>(__x._M_t)) { } #endif /** * @brief %Multiset assignment operator. * @param x A %multiset of identical element and allocator types. * * All the elements of @a x are copied, but unlike the copy constructor, * the allocator object is not copied. */ multiset& operator=(const multiset& __x) { _M_t = __x._M_t; return *this; } #ifdef __GXX_EXPERIMENTAL_CXX0X__ /** * @brief %Multiset move assignment operator. * @param x A %multiset of identical element and allocator types. * * The contents of @a x are moved into this %multiset (without copying). * @a x is a valid, but unspecified %multiset. */ multiset& operator=(multiset&& __x) { // NB: DR 675. this->clear(); this->swap(__x); return *this; } #endif // accessors: /// Returns the comparison object. key_compare key_comp() const { return _M_t.key_comp(); } /// Returns the comparison object. value_compare value_comp() const { return _M_t.key_comp(); } /// Returns the memory allocation object. allocator_type get_allocator() const { return _M_t.get_allocator(); } /** * Returns a read-only (constant) iterator that points to the first * element in the %multiset. Iteration is done in ascending order * according to the keys. */ iterator begin() const { return _M_t.begin(); } /** * Returns a read-only (constant) iterator that points one past the last * element in the %multiset. Iteration is done in ascending order * according to the keys. */ iterator end() const { return _M_t.end(); } /** * Returns a read-only (constant) reverse iterator that points to the * last element in the %multiset. Iteration is done in descending order * according to the keys. */ reverse_iterator rbegin() const { return _M_t.rbegin(); } /** * Returns a read-only (constant) reverse iterator that points to the * last element in the %multiset. Iteration is done in descending order * according to the keys. */ reverse_iterator rend() const { return _M_t.rend(); } #ifdef __GXX_EXPERIMENTAL_CXX0X__ /** * Returns a read-only (constant) iterator that points to the first * element in the %multiset. Iteration is done in ascending order * according to the keys. */ iterator cbegin() const { return _M_t.begin(); } /** * Returns a read-only (constant) iterator that points one past the last * element in the %multiset. Iteration is done in ascending order * according to the keys. */ iterator cend() const { return _M_t.end(); } /** * Returns a read-only (constant) reverse iterator that points to the * last element in the %multiset. Iteration is done in descending order * according to the keys. */ reverse_iterator crbegin() const { return _M_t.rbegin(); } /** * Returns a read-only (constant) reverse iterator that points to the * last element in the %multiset. Iteration is done in descending order * according to the keys. */ reverse_iterator crend() const { return _M_t.rend(); } #endif /// Returns true if the %set is empty. bool empty() const { return _M_t.empty(); } /// Returns the size of the %set. size_type size() const { return _M_t.size(); } /// Returns the maximum size of the %set. size_type max_size() const { return _M_t.max_size(); } /** * @brief Swaps data with another %multiset. * @param x A %multiset of the same element and allocator types. * * This exchanges the elements between two multisets in constant time. * (It is only swapping a pointer, an integer, and an instance of the @c * Compare type (which itself is often stateless and empty), so it should * be quite fast.) * Note that the global std::swap() function is specialized sñ(ò(ó(ô(õ(ö(÷(ø(ù(ú(û(uch that * std::swap(s1,s2) will feed to this function. */ void #ifdef __GXX_EXPERIMENTAL_CXX0X__ swap(multiset&& __x) #else swap(multiset& __x) #endif { _M_t.swap(__x._M_t); } // insert/erase /** * @brief Inserts an element into the %multiset. * @param x Element to be inserted. * @return An iterator that points to the inserted element. * * This function inserts an element into the %multiset. Contrary * to a std::set the %multiset does not rely on unique keys and thus * multiple copies of the same element can be inserted. * * Insertion requires logarithmic time. */ iterator insert(const value_type& __x) { return _M_t._M_insert_equal(__x); } /** * @brief Inserts an element into the %multiset. * @param position An iterator that serves as a hint as to where the * element should be inserted. * @param x Element to be inserted. * @return An iterator that points to the inserted element. * * This function inserts an element into the %multiset. Contrary * to a std::set the %multiset does not rely on unique keys and thus * multiple copies of the same element can be inserted. * * Note that the first parameter is only a hint and can potentially * improve the performance of the insertion process. A bad hint would * cause no gains in efficiency. * * See http://gcc.gnu.org/onlinedocs/libstdc++/manual/bk01pt07ch17.html * for more on "hinting". * * Insertion requires logarithmic time (if the hint is not taken). */ iterator insert(iterator __position, const value_type& __x) { return _M_t._M_insert_equal_(__position, __x); } /** * @brief A template function that attempts to insert a range of elements. * @param first Iterator pointing to the start of the range to be * inserted. * @param last Iterator pointing to the end of the range. * * Complexity similar to that of the range constructor. */ template void insert(_InputIterator __first, _InputIterator __last) { _M_t._M_insert_equal(__first, __last); } /** * @brief Erases an element from a %multiset. * @param position An iterator pointing to the element to be erased. * * This function erases an element, pointed to by the given iterator, * from a %multiset. Note that this function only erases the element, * and that if the element is itself a pointer, the pointed-to memory is * not touched in any way. Managing the pointer is the user's * responsibility. */ void erase(iterator __position) { _M_t.erase(__position); } /** * @brief Erases elements according to the provided key. * @param x Key of element to be erased. * @return The number of elements erased. * * This function erases all elements located by the given key from a * %multiset. * Note that this function only erases the element, and that if * the element is itself a pointer, the pointed-to memory is not touched * in any way. Managing the pointer is the user's responsibility. */ size_type erase(const key_type& __x) { return _M_t.erase(__x); } /** * @brief Erases a [first,last) range of elements from a %multiset. * @param first Iterator pointing to the start of the range to be * erased. * @param last Iterator pointing to the end of the range to be erased. * * This function erases a sequence of elements from a %multiset. * Note that this function only erases the elements, and that if * the elements themselves are pointers, the pointed-to memory is not * touched in any way. Managing the pointer is the user's responsibility. */ void erase(iterator __first, iterator __last) { _M_t.erase(__first, __last); } /** * Erases all elements in a %multiset. Note that this function only * erases the elements, and that if the elements themselves are pointers, * the pointed-to memory is not touched in any way. Managing the pointer * is the user's responsibility. */ void clear() { _M_t.clear(); } // multiset operations: /** * @brief Finds the number of elements with given key. * @param x Key of elements to be located. * @return Number of elements with specified key. */ size_type count(const key_type& __x) const { return _M_t.count(__x); } // _GLIBCXX_RESOLVE_LIB_DEFECTS // 214. set::find() missing const overload //@{ /** * @brief Tries to locate an element in a %set. * @param x Element to be located. * @return Iterator pointing to sought-after element, or end() if not * found. * * This function takes a key and tries to locate the element with which * the key matches. If successful the function returns an iterator * pointing to the sought after element. If unsuccessful it returns the * past-the-end ( @c end() ) iterator. */ iterator find(const key_type& __x) { return _M_t.find(__x); } const_iterator find(const key_type& __x) const { return _M_t.find(__x); } //@} //@{ /** * @brief Finds the beginning of a subsequence matching given key. * @param x Key to be located. * @return Iterator pointing to first element equal to or greater * than key, or end(). * * This function returns the first element of a subsequence of elements * that matches the given key. If unsuccessful it returns an iterator * pointing to the first element that has a greater value than given key * or end() if no such element exists. */ iterator lower_bound(const key_type& __x) { return _M_t.lower_bound(__x); } const_iterator lower_bound(const key_type& __x) const { return _M_t.lower_bound(__x); } //@} //@{ /** * @brief Finds the end of a subsequence matching given key. * @param x Key to be located. * @return Iterator pointing to the first element * greater than key, or end(). */ iterator upper_bound(const key_type& __x) { return _M_t.upper_bound(__x); } const_iterator upper_bound(const key_type& __x) const { return _M_t.upper_bound(__x); } //@} //@{ /** * @brief Finds a subsequence matching given key. * @param x Key to be located. * @return Pair of iterators that possibly points to the subsequence * matching given key. * * This function is equivalent to * @code * std::make_pair(c.lower_bound(val), * c.upper_bound(val)) * @endcode * (but is faster than making the calls separately). * * This function probably only makes sense for multisets. */ std::pair equal_range(const key_type& __x) { return _M_t.equal_range(__x); } std::pair equal_range(const key_type& __x) const { return _M_t.equal_range(__x); } template friend bool operator==(const multiset<_K1, _C1, _A1>&, const multiset<_K1, _C1, _A1>&); template friend bool operator< (const multiset<_K1, _C1, _A1>&, const multiset<_K1, _C1, _A1>&); }; /** * @brief Multiset equality comparison. * @param x A %multiset. * @param y A %multiset of the same type as @a x. * @return True iff the size and elements of the multisets are equal. * * This is an equivalence relation. It is linear in the size of the * multisets. * Multisets are considered equivalent if their sizes are equal, and if * corresponding elements compare equal. */ template inline bool operator==(const multiset<_Key, _Compare, _Alloc>& __x, const multiset<_Key, _Compare, _Alloc>& __y) { return __x._M_t == __y._M_t; } /** * @brief Multiset ordering relation. * @param x A %multiset. * @param y A %multiset of the same type as @a x. * @return True iff @a x is lexicographically less than @a y. * * This is a total ordering relation. It is linear in the size of the * maps. The elements must be comparable with @c <. * * See std::lexicographical_compare() for how the determination is made. */ template inline bool operator<(const multiset<_Key, _Compare, _Alloc>& __x, const multiset<_Key, _Compare, _Alloc>& __y) { return __x._M_t < __y._M_t; } /// Returns !(x == y). template inline bool operator!=(const multiset<_Key, _Compare, _Alloc>& __x, const multiset<_Key, _Compare, _Alloc>& __y) { return !(__x == __y); } /// Returns y < x. template inline bool operator>(const multiset<_Key,_Compare,_Alloc>& __x, const multiset<_Key,_Compare,_Alloc>& __y) { return __y < __x; } /// Returns !(y < x) template inline bool operator<=(const multiset<_Key, _Compare, _Alloc>& __x, const multiset<_Key, _Compare, _Alloc>& __y) { return !(__y < __x); } /// Returns !(x < y) template inline bool operator>=(const multiset<_Key, _Compare, _Alloc>& __x, const multiset<_Key, _Compare, _Alloc>& __y) { return !(__x < __y); } /// See std::multiset::swap(). template inline void swap(multiset<_Key, _Compare, _Alloc>& __x, multiset<_Key, _Compare, _Alloc>& __y) { __x.swap(__y); } #ifdef __GXX_EXPERIMENTAL_CXX0X__ template inline void swap(multiset<_Key, _Compare, _Alloc>&& __x, multiset<_Key, _Compare, _Alloc>& __y) { __x.swap(__y); } template inline void swap(multiset<_Key, _Compare, _Alloc>& __x, multiset<_Key, _Compare, _Alloc>&& __y) { __x.swap(__y); } #endif _GLIBCXX_END_NESTED_NAMESPACE #endif /* _STL_MULTISET_H */ // Deque implementation -*- C++ -*- // Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 // 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 2, 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. // You should have received a copy of the GNU General Public License along // with this library; see the file COPYING. If not, write to the Free // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, // USA. // As a special exception, you may use this file as part of a free software // library without restriction. Specifically, if other files instantiate // templates or use macros or inline functions from this file, or you compile // this file and link it with other files to produce an executable, this // file does not by itself cause the resulting executable to be covered by // the GNU General Public License. This exception does not however // invalidate any other reasons why the executable file might be covered by // the GNU General Public License. /* * * Copyright (c) 1994 * Hewlett-Packard Company * * Permission to use, copy, modify, distribute and sell this software * and its documentation for any purpose is hereby granted without fee, * provided that the above copyright notice appear in all copies and * that both that copyright notice and this permission notice appear * in supporting documentation. Hewlett-Packard Company makes no * representations about the suitability of this software for any * purpose. It is provided "as is" without express or implied warranty. * * * Copyright (c) 1997 * Silicon Graphics Computer Systems, Inc. * * Permission to use, copy, modify, distribute and sell this software * and its documentation for any purpose is hereby granted without fee, * provided that the above copyright notice appear in all copies and * that both that copyright notice and this permission notice appear * in supporting documentation. Silicon Graphics makes no * representations about the suitability of this software for any * purpose. It is provided "as is" without express or implied warranty. */ /** @file stl_deque.h * This is an internal header file, included by other library headers. * You should not attempt to use it directly. */ #ifndef _STL_DEQUE_H #define _STL_DEQUE_H 1 #include #include #include _GLIBCXX_BEGIN_NESTED_NAMESPACE(std, _GLIBCXX_STD_D) /** * @brief This function controls the size of memory nodes. * @param size The size of an element. * @return The number (not byte size) of elements per node. * * This function started off as a compiler kludge from SGI, but seems to * be a useful wrapper around a repeated constant expression. The '512' is * tunable (and no other code needs to change), but no investigation has * been done since inheriting the SGI code. */ inline size_t __deque_buf_size(size_t __size) { return __size < 512 ? size_t(512 / __size) : size_t(1); } /** * @brief A deque::iterator. * * Quite a bit of intelligence here. Much of the functionality of * deque is actually passed off to this class. A deque holds two * of these internally, marking its valid range. Access to * elements is done as offsets of either of those two, relying on * operator overloading in this class. * * All the functions are op overloads except for _M_set_node. */ template struct _Deque_iterator { typedef _Deque_iterator<_Tp, _Tp&, _Tp*> iterator;