--- /dev/null
+// Versatile string -*- C++ -*-
+
+// Copyright (C) 2005, 2006, 2007, 2008, 2009 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 file is a GNU extension to the Standard C++ Library.
+ * This is an internal header file, included by other library headers.
+ * You should not attempt to use it directly.
+ */
+
+#ifndef _VSTRING_TCC
+#define _VSTRING_TCC 1
+
+#pragma GCC system_header
+
+#include <cxxabi-forced.h>
+
+_GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
+
+ 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(iterator __i1, 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
+ {
+ 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
+ {
+ 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
+ {
+ 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
+ {
+ 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 = _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 = _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 = _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 = _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 = _S_compare(__n1, __n2);
+ return __r;
+ }
+
+_GLIBCXX_END_NAMESPACE
+
+_GLIBCXX_BEGIN_NAMESPACE(std)
+
+ 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
+
+#endif // _VSTRING_TCC
projects / msp430-gcc.git / blobdiff