vstring.tcc

linux下编程用 编译软件

    }

  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 = __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 = __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 = __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 = __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 = __n1 - __n2;
      return __r;
    }

} // namespace __gnu_cxx

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::int_type		__int_type;
      typedef typename __istream_type::__streambuf_type __streambuf_type;
      typedef typename __istream_type::__ctype_type	__ctype_type;
      typedef __gnu_cxx::__versa_string<_CharT, _Traits, _Alloc, _Base>
	                                                __string_type;
      typedef typename __string_type::size_type		__size_type;

      __size_type __extracted = 0;
      ios_base::iostate __err = ios_base::iostate(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();
	      __streambuf_type* __sb = __in.rdbuf();
	      __int_type __c = __sb->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 = __sb->snextc();
		}
	      __str.append(__buf, __len);

	      if (_Traits::eq_int_type(__c, __eof))
		__err |= ios_base::eofbit;
	      __in.width(0);
	    }
	  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_ostream<_CharT, _Traits>&
    operator<<(basic_ostream<_CharT, _Traits>& __out,
	       const __gnu_cxx::__versa_string<_CharT, _Traits,
	                                       _Alloc, _Base>& __str)
    {
      typedef basic_ostream<_CharT, _Traits>            __ostream_type;

      typename __ostream_type::sentry __cerb(__out);
      if (__cerb)
	{
	  const streamsize __w = __out.width();
	  streamsize __len = static_cast<streamsize>(__str.size());
	  const _CharT* __s = __str.data();

	  // _GLIBCXX_RESOLVE_LIB_DEFECTS
	  // 25. String operator<< uses width() value wrong
	  if (__w > __len)
	    {
	      _CharT* __cs = (static_cast<
			      _CharT*>(__builtin_alloca(sizeof(_CharT) * __w)));
	      __pad<_CharT, _Traits>::_S_pad(__out, __out.fill(), __cs,
					     __s, __w, __len, false);
	      __s = __cs;
	      __len = __w;
	    }
	  __out._M_write(__s, __len);
	  __out.width(0);
	}
      return __out;
    }

  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::int_type		__int_type;
      typedef typename __istream_type::__streambuf_type __streambuf_type;
      typedef typename __istream_type::__ctype_type	__ctype_type;
      typedef __gnu_cxx::__versa_string<_CharT, _Traits, _Alloc, _Base>
	                                                __string_type;
      typedef typename __string_type::size_type		__size_type;

      __size_type __extracted = 0;
      const __size_type __n = __str.max_size();
      ios_base::iostate __err = ios_base::iostate(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();
	      __streambuf_type* __sb = __in.rdbuf();
	      __int_type __c = __sb->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 = __sb->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;		  
		  __sb->sbumpc();
		}
	      else
		__err |= ios_base::failbit;
	    }
	  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;
    }      
  
} // namespace std

#endif // _VSTRING_TCC