vstring.tcc
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// Versatile string -*- C++ -*-
// Copyright (C) 2005-2013 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(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 _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