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vstring.tcc
// Versatile string -*- C++ -*- // Copyright (C) 2005-2018 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.tcc * This is an internal header file, included by other library headers. * Do not attempt to use it directly. @headername{ext/vstring.h} */ #ifndef _VSTRING_TCC #define _VSTRING_TCC 1 #pragma GCC system_header #include <bits/cxxabi_forced.h> namespace __gnu_cxx _GLIBCXX_VISIBILITY(default) { _GLIBCXX_BEGIN_NAMESPACE_VERSION template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> const typename __versa_string<_CharT, _Traits, _Alloc, _Base>::size_type __versa_string<_CharT, _Traits, _Alloc, _Base>::npos; template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> void __versa_string<_CharT, _Traits, _Alloc, _Base>:: resize(size_type __n, _CharT __c) { const size_type __size = this->size(); if (__size < __n) this->append(__n - __size, __c); else if (__n < __size) this->_M_erase(__n, __size - __n); } template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> __versa_string<_CharT, _Traits, _Alloc, _Base>& __versa_string<_CharT, _Traits, _Alloc, _Base>:: _M_append(const _CharT* __s, size_type __n) { const size_type __len = __n + this->size(); if (__len <= this->capacity() && !this->_M_is_shared()) { if (__n) this->_S_copy(this->_M_data() + this->size(), __s, __n); } else this->_M_mutate(this->size(), size_type(0), __s, __n); this->_M_set_length(__len); return *this; } template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> template<typename _InputIterator> __versa_string<_CharT, _Traits, _Alloc, _Base>& __versa_string<_CharT, _Traits, _Alloc, _Base>:: _M_replace_dispatch(const_iterator __i1, const_iterator __i2, _InputIterator __k1, _InputIterator __k2, std::__false_type) { const __versa_string __s(__k1, __k2); const size_type __n1 = __i2 - __i1; return _M_replace(__i1 - _M_ibegin(), __n1, __s._M_data(), __s.size()); } template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> __versa_string<_CharT, _Traits, _Alloc, _Base>& __versa_string<_CharT, _Traits, _Alloc, _Base>:: _M_replace_aux(size_type __pos1, size_type __n1, size_type __n2, _CharT __c) { _M_check_length(__n1, __n2, "__versa_string::_M_replace_aux"); const size_type __old_size = this->size(); const size_type __new_size = __old_size + __n2 - __n1; if (__new_size <= this->capacity() && !this->_M_is_shared()) { _CharT* __p = this->_M_data() + __pos1; const size_type __how_much = __old_size - __pos1 - __n1; if (__how_much && __n1 != __n2) this->_S_move(__p + __n2, __p + __n1, __how_much); } else this->_M_mutate(__pos1, __n1, 0, __n2); if (__n2) this->_S_assign(this->_M_data() + __pos1, __n2, __c); this->_M_set_length(__new_size); return *this; } template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> __versa_string<_CharT, _Traits, _Alloc, _Base>& __versa_string<_CharT, _Traits, _Alloc, _Base>:: _M_replace(size_type __pos, size_type __len1, const _CharT* __s, const size_type __len2) { _M_check_length(__len1, __len2, "__versa_string::_M_replace"); const size_type __old_size = this->size(); const size_type __new_size = __old_size + __len2 - __len1; if (__new_size <= this->capacity() && !this->_M_is_shared()) { _CharT* __p = this->_M_data() + __pos; const size_type __how_much = __old_size - __pos - __len1; if (_M_disjunct(__s)) { if (__how_much && __len1 != __len2) this->_S_move(__p + __len2, __p + __len1, __how_much); if (__len2) this->_S_copy(__p, __s, __len2); } else { // Work in-place. if (__len2 && __len2 <= __len1) this->_S_move(__p, __s, __len2); if (__how_much && __len1 != __len2) this->_S_move(__p + __len2, __p + __len1, __how_much); if (__len2 > __len1) { if (__s + __len2 <= __p + __len1) this->_S_move(__p, __s, __len2); else if (__s >= __p + __len1) this->_S_copy(__p, __s + __len2 - __len1, __len2); else { const size_type __nleft = (__p + __len1) - __s; this->_S_move(__p, __s, __nleft); this->_S_copy(__p + __nleft, __p + __len2, __len2 - __nleft); } } } } else this->_M_mutate(__pos, __len1, __s, __len2); this->_M_set_length(__new_size); return *this; } 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) { __versa_string<_CharT, _Traits, _Alloc, _Base> __str; __str.reserve(__lhs.size() + __rhs.size()); __str.append(__lhs); __str.append(__rhs); return __str; } 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) { __glibcxx_requires_string(__lhs); typedef __versa_string<_CharT, _Traits, _Alloc, _Base> __string_type; typedef typename __string_type::size_type __size_type; const __size_type __len = _Traits::length(__lhs); __string_type __str; __str.reserve(__len + __rhs.size()); __str.append(__lhs, __len); __str.append(__rhs); return __str; } 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) { __versa_string<_CharT, _Traits, _Alloc, _Base> __str; __str.reserve(__rhs.size() + 1); __str.push_back(__lhs); __str.append(__rhs); return __str; } 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) { __glibcxx_requires_string(__rhs); typedef __versa_string<_CharT, _Traits, _Alloc, _Base> __string_type; typedef typename __string_type::size_type __size_type; const __size_type __len = _Traits::length(__rhs); __string_type __str; __str.reserve(__lhs.size() + __len); __str.append(__lhs); __str.append(__rhs, __len); return __str; } 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) { __versa_string<_CharT, _Traits, _Alloc, _Base> __str; __str.reserve(__lhs.size() + 1); __str.append(__lhs); __str.push_back(__rhs); return __str; } template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> typename __versa_string<_CharT, _Traits, _Alloc, _Base>::size_type __versa_string<_CharT, _Traits, _Alloc, _Base>:: copy(_CharT* __s, size_type __n, size_type __pos) const { _M_check(__pos, "__versa_string::copy"); __n = _M_limit(__pos, __n); __glibcxx_requires_string_len(__s, __n); if (__n) this->_S_copy(__s, this->_M_data() + __pos, __n); // 21.3.5.7 par 3: do not append null. (good.) return __n; } template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> typename __versa_string<_CharT, _Traits, _Alloc, _Base>::size_type __versa_string<_CharT, _Traits, _Alloc, _Base>:: find(const _CharT* __s, size_type __pos, size_type __n) const { __glibcxx_requires_string_len(__s, __n); const size_type __size = this->size(); const _CharT* __data = this->_M_data(); if (__n == 0) return __pos <= __size ? __pos : npos; if (__n <= __size) { for (; __pos <= __size - __n; ++__pos) if (traits_type::eq(__data[__pos], __s[0]) && traits_type::compare(__data + __pos + 1, __s + 1, __n - 1) == 0) return __pos; } return npos; } template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> typename __versa_string<_CharT, _Traits, _Alloc, _Base>::size_type __versa_string<_CharT, _Traits, _Alloc, _Base>:: find(_CharT __c, size_type __pos) const _GLIBCXX_NOEXCEPT { size_type __ret = npos; const size_type __size = this->size(); if (__pos < __size) { const _CharT* __data = this->_M_data(); const size_type __n = __size - __pos; const _CharT* __p = traits_type::find(__data + __pos, __n, __c); if (__p) __ret = __p - __data; } return __ret; } template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> typename __versa_string<_CharT, _Traits, _Alloc, _Base>::size_type __versa_string<_CharT, _Traits, _Alloc, _Base>:: rfind(const _CharT* __s, size_type __pos, size_type __n) const { __glibcxx_requires_string_len(__s, __n); const size_type __size = this->size(); if (__n <= __size) { __pos = std::min(size_type(__size - __n), __pos); const _CharT* __data = this->_M_data(); do { if (traits_type::compare(__data + __pos, __s, __n) == 0) return __pos; } while (__pos-- > 0); } return npos; } template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> typename __versa_string<_CharT, _Traits, _Alloc, _Base>::size_type __versa_string<_CharT, _Traits, _Alloc, _Base>:: rfind(_CharT __c, size_type __pos) const _GLIBCXX_NOEXCEPT { size_type __size = this->size(); if (__size) { if (--__size > __pos) __size = __pos; for (++__size; __size-- > 0; ) if (traits_type::eq(this->_M_data()[__size], __c)) return __size; } return npos; } template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> typename __versa_string<_CharT, _Traits, _Alloc, _Base>::size_type __versa_string<_CharT, _Traits, _Alloc, _Base>:: find_first_of(const _CharT* __s, size_type __pos, size_type __n) const { __glibcxx_requires_string_len(__s, __n); for (; __n && __pos < this->size(); ++__pos) { const _CharT* __p = traits_type::find(__s, __n, this->_M_data()[__pos]); if (__p) return __pos; } return npos; } template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> typename __versa_string<_CharT, _Traits, _Alloc, _Base>::size_type __versa_string<_CharT, _Traits, _Alloc, _Base>:: find_last_of(const _CharT* __s, size_type __pos, size_type __n) const { __glibcxx_requires_string_len(__s, __n); size_type __size = this->size(); if (__size && __n) { if (--__size > __pos) __size = __pos; do { if (traits_type::find(__s, __n, this->_M_data()[__size])) return __size; } while (__size-- != 0); } return npos; } template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> typename __versa_string<_CharT, _Traits, _Alloc, _Base>::size_type __versa_string<_CharT, _Traits, _Alloc, _Base>:: find_first_not_of(const _CharT* __s, size_type __pos, size_type __n) const { __glibcxx_requires_string_len(__s, __n); for (; __pos < this->size(); ++__pos) if (!traits_type::find(__s, __n, this->_M_data()[__pos])) return __pos; return npos; } template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> typename __versa_string<_CharT, _Traits, _Alloc, _Base>::size_type __versa_string<_CharT, _Traits, _Alloc, _Base>:: find_first_not_of(_CharT __c, size_type __pos) const _GLIBCXX_NOEXCEPT { for (; __pos < this->size(); ++__pos) if (!traits_type::eq(this->_M_data()[__pos], __c)) return __pos; return npos; } template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> typename __versa_string<_CharT, _Traits, _Alloc, _Base>::size_type __versa_string<_CharT, _Traits, _Alloc, _Base>:: find_last_not_of(const _CharT* __s, size_type __pos, size_type __n) const { __glibcxx_requires_string_len(__s, __n); size_type __size = this->size(); if (__size) { if (--__size > __pos) __size = __pos; do { if (!traits_type::find(__s, __n, this->_M_data()[__size])) return __size; } while (__size--); } return npos; } template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> typename __versa_string<_CharT, _Traits, _Alloc, _Base>::size_type __versa_string<_CharT, _Traits, _Alloc, _Base>:: find_last_not_of(_CharT __c, size_type __pos) const _GLIBCXX_NOEXCEPT { size_type __size = this->size(); if (__size) { if (--__size > __pos) __size = __pos; do { if (!traits_type::eq(this->_M_data()[__size], __c)) return __size; } while (__size--); } return npos; } template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> int __versa_string<_CharT, _Traits, _Alloc, _Base>:: compare(size_type __pos, size_type __n, const __versa_string& __str) const { _M_check(__pos, "__versa_string::compare"); __n = _M_limit(__pos, __n); const size_type __osize = __str.size(); const size_type __len = std::min(__n, __osize); int __r = traits_type::compare(this->_M_data() + __pos, __str.data(), __len); if (!__r) __r = this->_S_compare(__n, __osize); return __r; } template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> int __versa_string<_CharT, _Traits, _Alloc, _Base>:: compare(size_type __pos1, size_type __n1, const __versa_string& __str, size_type __pos2, size_type __n2) const { _M_check(__pos1, "__versa_string::compare"); __str._M_check(__pos2, "__versa_string::compare"); __n1 = _M_limit(__pos1, __n1); __n2 = __str._M_limit(__pos2, __n2); const size_type __len = std::min(__n1, __n2); int __r = traits_type::compare(this->_M_data() + __pos1, __str.data() + __pos2, __len); if (!__r) __r = this->_S_compare(__n1, __n2); return __r; } template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> int __versa_string<_CharT, _Traits, _Alloc, _Base>:: compare(const _CharT* __s) const { __glibcxx_requires_string(__s); const size_type __size = this->size(); const size_type __osize = traits_type::length(__s); const size_type __len = std::min(__size, __osize); int __r = traits_type::compare(this->_M_data(), __s, __len); if (!__r) __r = this->_S_compare(__size, __osize); return __r; } template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> int __versa_string <_CharT, _Traits, _Alloc, _Base>:: compare(size_type __pos, size_type __n1, const _CharT* __s) const { __glibcxx_requires_string(__s); _M_check(__pos, "__versa_string::compare"); __n1 = _M_limit(__pos, __n1); const size_type __osize = traits_type::length(__s); const size_type __len = std::min(__n1, __osize); int __r = traits_type::compare(this->_M_data() + __pos, __s, __len); if (!__r) __r = this->_S_compare(__n1, __osize); return __r; } template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> int __versa_string <_CharT, _Traits, _Alloc, _Base>:: compare(size_type __pos, size_type __n1, const _CharT* __s, size_type __n2) const { __glibcxx_requires_string_len(__s, __n2); _M_check(__pos, "__versa_string::compare"); __n1 = _M_limit(__pos, __n1); const size_type __len = std::min(__n1, __n2); int __r = traits_type::compare(this->_M_data() + __pos, __s, __len); if (!__r) __r = this->_S_compare(__n1, __n2); return __r; } _GLIBCXX_END_NAMESPACE_VERSION } // namespace namespace std _GLIBCXX_VISIBILITY(default) { _GLIBCXX_BEGIN_NAMESPACE_VERSION template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> basic_istream<_CharT, _Traits>& operator>>(basic_istream<_CharT, _Traits>& __in, __gnu_cxx::__versa_string<_CharT, _Traits, _Alloc, _Base>& __str) { typedef basic_istream<_CharT, _Traits> __istream_type; typedef typename __istream_type::ios_base __ios_base; typedef __gnu_cxx::__versa_string<_CharT, _Traits, _Alloc, _Base> __string_type; typedef typename __istream_type::int_type __int_type; typedef typename __string_type::size_type __size_type; typedef ctype<_CharT> __ctype_type; typedef typename __ctype_type::ctype_base __ctype_base; __size_type __extracted = 0; typename __ios_base::iostate __err = __ios_base::goodbit; typename __istream_type::sentry __cerb(__in, false); if (__cerb) { __try { // Avoid reallocation for common case. __str.erase(); _CharT __buf[128]; __size_type __len = 0; const streamsize __w = __in.width(); const __size_type __n = __w > 0 ? static_cast<__size_type>(__w) : __str.max_size(); const __ctype_type& __ct = use_facet<__ctype_type>(__in.getloc()); const __int_type __eof = _Traits::eof(); __int_type __c = __in.rdbuf()->sgetc(); while (__extracted < __n && !_Traits::eq_int_type(__c, __eof) && !__ct.is(__ctype_base::space, _Traits::to_char_type(__c))) { if (__len == sizeof(__buf) / sizeof(_CharT)) { __str.append(__buf, sizeof(__buf) / sizeof(_CharT)); __len = 0; } __buf[__len++] = _Traits::to_char_type(__c); ++__extracted; __c = __in.rdbuf()->snextc(); } __str.append(__buf, __len); if (_Traits::eq_int_type(__c, __eof)) __err |= __ios_base::eofbit; __in.width(0); } __catch(__cxxabiv1::__forced_unwind&) { __in._M_setstate(__ios_base::badbit); __throw_exception_again; } __catch(...) { // _GLIBCXX_RESOLVE_LIB_DEFECTS // 91. Description of operator>> and getline() for string<> // might cause endless loop __in._M_setstate(__ios_base::badbit); } } // 211. operator>>(istream&, string&) doesn't set failbit if (!__extracted) __err |= __ios_base::failbit; if (__err) __in.setstate(__err); return __in; } template<typename _CharT, typename _Traits, typename _Alloc, template <typename, typename, typename> class _Base> basic_istream<_CharT, _Traits>& getline(basic_istream<_CharT, _Traits>& __in, __gnu_cxx::__versa_string<_CharT, _Traits, _Alloc, _Base>& __str, _CharT __delim) { typedef basic_istream<_CharT, _Traits> __istream_type; typedef typename __istream_type::ios_base __ios_base; typedef __gnu_cxx::__versa_string<_CharT, _Traits, _Alloc, _Base> __string_type; typedef typename __istream_type::int_type __int_type; typedef typename __string_type::size_type __size_type; __size_type __extracted = 0; const __size_type __n = __str.max_size(); typename __ios_base::iostate __err = __ios_base::goodbit; typename __istream_type::sentry __cerb(__in, true); if (__cerb) { __try { // Avoid reallocation for common case. __str.erase(); _CharT __buf[128]; __size_type __len = 0; const __int_type __idelim = _Traits::to_int_type(__delim); const __int_type __eof = _Traits::eof(); __int_type __c = __in.rdbuf()->sgetc(); while (__extracted < __n && !_Traits::eq_int_type(__c, __eof) && !_Traits::eq_int_type(__c, __idelim)) { if (__len == sizeof(__buf) / sizeof(_CharT)) { __str.append(__buf, sizeof(__buf) / sizeof(_CharT)); __len = 0; } __buf[__len++] = _Traits::to_char_type(__c); ++__extracted; __c = __in.rdbuf()->snextc(); } __str.append(__buf, __len); if (_Traits::eq_int_type(__c, __eof)) __err |= __ios_base::eofbit; else if (_Traits::eq_int_type(__c, __idelim)) { ++__extracted; __in.rdbuf()->sbumpc(); } else __err |= __ios_base::failbit; } __catch(__cxxabiv1::__forced_unwind&) { __in._M_setstate(__ios_base::badbit); __throw_exception_again; } __catch(...) { // _GLIBCXX_RESOLVE_LIB_DEFECTS // 91. Description of operator>> and getline() for string<> // might cause endless loop __in._M_setstate(__ios_base::badbit); } } if (!__extracted) __err |= __ios_base::failbit; if (__err) __in.setstate(__err); return __in; } _GLIBCXX_END_NAMESPACE_VERSION } // namespace #endif // _VSTRING_TCC
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