_String_base< _Tp, _Alloc > Class Template Reference

#include <_string_base.h>

Collaboration diagram for _String_base< _Tp, _Alloc >:

Public Types
enum	{ _DEFAULT_SIZE = 4 * sizeof( void * ) }
typedef _Alloc	allocator_type
typedef _STLP_alloc_proxy< _Tp *, _Tp, allocator_type >	_AllocProxy
typedef size_t	size_type

Protected Member Functions
_Tp const *	_M_Start () const
_Tp *	_M_Start ()
_Tp const *	_M_End () const
_Tp *	_M_End ()
size_type	_M_capacity () const
size_type	_M_rest () const
_Tp const *	_M_Finish () const
_Tp *	_M_Finish ()
void	_M_allocate_block (size_t __n=_DEFAULT_SIZE)
void	_M_deallocate_block ()
size_t	max_size () const
	_String_base (const allocator_type &__a)
	_String_base (const allocator_type &__a, size_t __n)
	_String_base (__move_source< _Self > src)
	~_String_base ()
void	_M_reset (_Tp *__start, _Tp *__finish, _Tp *__end_of_storage)
void	_M_swap (_Self &__s)
void _STLP_FUNCTION_THROWS	_M_throw_length_error () const
void _STLP_FUNCTION_THROWS	_M_throw_out_of_range () const

Protected Attributes
_Tp *	_M_finish
_AllocProxy	_M_start_of_storage

Private Types
typedef _String_base< _Tp, _Alloc >	_Self

Private Attributes
_Tp *	_M_end_of_storage

Detailed Description

template<class _Tp, class _Alloc>
class _String_base< _Tp, _Alloc >

Definition at line 41 of file _string_base.h.

Member Typedef Documentation

_AllocProxy

template<class _Tp , class _Alloc >

typedef _STLP_alloc_proxy<_Tp*, _Tp, allocator_type> _String_base< _Tp, _Alloc >::_AllocProxy

Definition at line 50 of file _string_base.h.

_Self

template<class _Tp , class _Alloc >

typedef _String_base<_Tp, _Alloc> _String_base< _Tp, _Alloc >::_Self

private

Definition at line 42 of file _string_base.h.

allocator_type

template<class _Tp , class _Alloc >

typedef _Alloc _String_base< _Tp, _Alloc >::allocator_type

Definition at line 49 of file _string_base.h.

size_type

template<class _Tp , class _Alloc >

typedef size_t _String_base< _Tp, _Alloc >::size_type

Definition at line 51 of file _string_base.h.

Member Enumeration Documentation

anonymous enum

template<class _Tp , class _Alloc >

anonymous enum

Enumerator
_DEFAULT_SIZE

Definition at line 47 of file _string_base.h.

{_DEFAULT_SIZE = 4 * sizeof( void * )};

Constructor & Destructor Documentation

_String_base() [1/3]

template<class _Tp , class _Alloc >

_String_base< _Tp, _Alloc >::_String_base ( const allocator_type &  __a )

inlineprotected

Definition at line 110 of file _string_base.h.

    : _M_finish(_M_buffers._M_static_buf), _M_start_of_storage(__a, _M_buffers._M_static_buf)
#else
    : _M_end_of_storage(0), _M_finish(0), _M_start_of_storage(__a, (_Tp*)0)
#endif
    {}

_String_base() [2/3]

template<class _Tp , class _Alloc >

_String_base< _Tp, _Alloc >::_String_base ( const allocator_type &  __a, size_t  __n  )

inlineprotected

Definition at line 118 of file _string_base.h.

    : _M_finish(_M_buffers._M_static_buf), _M_start_of_storage(__a, _M_buffers._M_static_buf) {
#else
    : _M_end_of_storage(0), _M_finish(0), _M_start_of_storage(__a, (_Tp*)0) {
#endif
      _M_allocate_block(__n);
    }

_String_base() [3/3]

template<class _Tp , class _Alloc >

_String_base< _Tp, _Alloc >::_String_base ( __move_source< _Self >  src )

inlineprotected

Definition at line 144 of file _string_base.h.

    : _M_start_of_storage(__move_source<_AllocProxy>(src.get()._M_start_of_storage)) {
      _M_move_src(src.get());
#  else
    : _M_end_of_storage(src.get()._M_end_of_storage), _M_finish(src.get()._M_finish),
      _M_start_of_storage(__move_source<_AllocProxy>(src.get()._M_start_of_storage)) {
      src.get()._M_start_of_storage._M_data = 0;
#  endif
    }

~_String_base()

template<class _Tp , class _Alloc >

_String_base< _Tp, _Alloc >::~_String_base ( )

inlineprotected

Definition at line 156 of file _string_base.h.

{ _M_deallocate_block(); }

Member Function Documentation

_M_allocate_block()

template<class _Tp , class _Alloc >

void _String_base< _Tp, _Alloc >::_M_allocate_block ( size_t  __n = _DEFAULT_SIZE )

protected

Definition at line 607 of file _string.c.

                                                            {
  if ((__n <= (max_size() + 1)) && (__n > 0)) {
#if defined (_STLP_USE_SHORT_STRING_OPTIM)
    if (__n > _DEFAULT_SIZE) {
      this->_M_start_of_storage._M_data = _M_start_of_storage.allocate(__n, __n);
      this->_M_finish = this->_M_start_of_storage._M_data;
      this->_M_buffers._M_end_of_storage = this->_M_start_of_storage._M_data + __n;
    }
#else
    this->_M_start_of_storage._M_data = _M_start_of_storage.allocate(__n, __n);
    this->_M_finish = this->_M_start_of_storage._M_data;
    this->_M_end_of_storage = this->_M_start_of_storage._M_data + __n;
#endif
  } else {
    this->_M_throw_length_error();
  }
}

Referenced by _String_base< _Tp, _Alloc >::_String_base().

_M_capacity()

template<class _Tp , class _Alloc >

size_type _String_base< _Tp, _Alloc >::_M_capacity ( ) const

inlineprotected

Definition at line 80 of file _string_base.h.

  { return _M_end_of_storage - _M_start_of_storage._M_data; }

_M_deallocate_block()

template<class _Tp , class _Alloc >

void _String_base< _Tp, _Alloc >::_M_deallocate_block ( )

inlineprotected

Definition at line 94 of file _string_base.h.

                             {
#if defined (_STLP_USE_SHORT_STRING_OPTIM)
    if (!_M_using_static_buf() && (_M_start_of_storage._M_data != 0))
      _M_start_of_storage.deallocate(_M_start_of_storage._M_data, _M_buffers._M_end_of_storage - _M_start_of_storage._M_data);
#else
    if (_M_start_of_storage._M_data != 0)
      _M_start_of_storage.deallocate(_M_start_of_storage._M_data, _M_end_of_storage - _M_start_of_storage._M_data);
#endif /* _STLP_USE_SHORT_STRING_OPTIM */
  }

Referenced by _String_base< _Tp, _Alloc >::~_String_base().

_M_End() [1/2]

template<class _Tp , class _Alloc >

_Tp * _String_base< _Tp, _Alloc >::_M_End ( )

inlineprotected

Definition at line 79 of file _string_base.h.

{ return _M_end_of_storage; }

_M_End() [2/2]

template<class _Tp , class _Alloc >

_Tp const * _String_base< _Tp, _Alloc >::_M_End ( ) const

inlineprotected

Definition at line 78 of file _string_base.h.

{ return _M_end_of_storage; }

_M_Finish() [1/2]

template<class _Tp , class _Alloc >

_Tp * _String_base< _Tp, _Alloc >::_M_Finish ( )

inlineprotected

Definition at line 90 of file _string_base.h.

{return _M_finish;}

_M_Finish() [2/2]

template<class _Tp , class _Alloc >

_Tp const * _String_base< _Tp, _Alloc >::_M_Finish ( ) const

inlineprotected

Definition at line 89 of file _string_base.h.

{return _M_finish;}

_M_reset()

template<class _Tp , class _Alloc >

void _String_base< _Tp, _Alloc >::_M_reset ( _Tp *  __start, _Tp *  __finish, _Tp *  __end_of_storage  )

inlineprotected

Definition at line 158 of file _string_base.h.

                                                                    {
#if defined (_STLP_USE_SHORT_STRING_OPTIM)
    _M_buffers._M_end_of_storage = __end_of_storage;
#else
    _M_end_of_storage = __end_of_storage;
#endif
    _M_finish = __finish;
    _M_start_of_storage._M_data = __start;
  }

_M_rest()

template<class _Tp , class _Alloc >

size_type _String_base< _Tp, _Alloc >::_M_rest ( ) const

inlineprotected

Definition at line 82 of file _string_base.h.

  { return _M_end_of_storage - _M_finish; }

_M_Start() [1/2]

template<class _Tp , class _Alloc >

_Tp * _String_base< _Tp, _Alloc >::_M_Start ( )

inlineprotected

Definition at line 77 of file _string_base.h.

{ return _M_start_of_storage._M_data; }

_M_Start() [2/2]

template<class _Tp , class _Alloc >

_Tp const * _String_base< _Tp, _Alloc >::_M_Start ( ) const

inlineprotected

Definition at line 76 of file _string_base.h.

{ return _M_start_of_storage._M_data; }

_M_swap()

template<class _Tp , class _Alloc >

void _String_base< _Tp, _Alloc >::_M_swap ( _Self &  __s )

inlineprotected

Definition at line 168 of file _string_base.h.

                           {
#if defined (_STLP_USE_SHORT_STRING_OPTIM)
    if (_M_using_static_buf()) {
      if (__s._M_using_static_buf()) {
        _STLP_STD::swap(_M_buffers, __s._M_buffers);
        _Tp *__tmp = _M_finish;
        _M_finish = _M_start_of_storage._M_data + (__s._M_finish - __s._M_start_of_storage._M_data);
        __s._M_finish = __s._M_buffers._M_static_buf + (__tmp - _M_start_of_storage._M_data);
        //We need to swap _M_start_of_storage for allocators with state:
        _M_start_of_storage.swap(__s._M_start_of_storage);
        _M_start_of_storage._M_data = _M_buffers._M_static_buf;
        __s._M_start_of_storage._M_data = __s._M_buffers._M_static_buf;
      } else {
        __s._M_swap(*this);
        return;
      }
    }
    else if (__s._M_using_static_buf()) {
      _Tp *__tmp = _M_start_of_storage._M_data;
      _Tp *__tmp_finish = _M_finish;
      _Tp *__tmp_end_data = _M_buffers._M_end_of_storage;
      _M_buffers = __s._M_buffers;
      //We need to swap _M_start_of_storage for allocators with state:
      _M_start_of_storage.swap(__s._M_start_of_storage);
      _M_start_of_storage._M_data = _M_buffers._M_static_buf;
      _M_finish = _M_buffers._M_static_buf + (__s._M_finish - __s._M_buffers._M_static_buf);
      __s._M_buffers._M_end_of_storage = __tmp_end_data;
      __s._M_start_of_storage._M_data = __tmp;
      __s._M_finish = __tmp_finish;
    }
    else {
      _STLP_STD::swap(_M_buffers._M_end_of_storage, __s._M_buffers._M_end_of_storage);
      _M_start_of_storage.swap(__s._M_start_of_storage);
      _STLP_STD::swap(_M_finish, __s._M_finish);
    }
#else
    _STLP_STD::swap(_M_end_of_storage, __s._M_end_of_storage);
    _M_start_of_storage.swap(__s._M_start_of_storage);
    _STLP_STD::swap(_M_finish, __s._M_finish);
#endif
  }

Referenced by _String_base< _Tp, _Alloc >::_M_swap().

_M_throw_length_error()

template<class _Tp , class _Alloc >

_STLP_MOVE_TO_STD_NAMESPACE _STLP_END_NAMESPACE _STLP_BEGIN_NAMESPACE _STLP_MOVE_TO_PRIV_NAMESPACE void _String_base< _Tp, _Alloc >::_M_throw_length_error

protected

Definition at line 599 of file _string.c.

{ __stl_throw_length_error("basic_string"); }

_M_throw_out_of_range()

template<class _Tp , class _Alloc >

void _String_base< _Tp, _Alloc >::_M_throw_out_of_range

protected

Definition at line 603 of file _string.c.

{ __stl_throw_out_of_range("basic_string"); }

max_size()

template<class _Tp , class _Alloc >

size_t _String_base< _Tp, _Alloc >::max_size ( ) const

inlineprotected

Definition at line 104 of file _string_base.h.

                          {
    const size_type __string_max_size = size_type(-1) / sizeof(_Tp);
    typename allocator_type::size_type __alloc_max_size = _M_start_of_storage.max_size();
    return (min)(__alloc_max_size, __string_max_size) - 1;
  }

Member Data Documentation

_M_end_of_storage

template<class _Tp , class _Alloc >

_Tp* _String_base< _Tp, _Alloc >::_M_end_of_storage

private

Definition at line 59 of file _string_base.h.

Referenced by _String_base< _Tp, _Alloc >::_M_capacity(), _String_base< _Tp, _Alloc >::_M_deallocate_block(), _String_base< _Tp, _Alloc >::_M_End(), _String_base< _Tp, _Alloc >::_M_reset(), _String_base< _Tp, _Alloc >::_M_rest(), _String_base< _Tp, _Alloc >::_M_swap(), and _String_base< _Tp, _Alloc >::_String_base().

_M_finish

template<class _Tp , class _Alloc >

_Tp* _String_base< _Tp, _Alloc >::_M_finish

protected

Definition at line 86 of file _string_base.h.

Referenced by _String_base< _Tp, _Alloc >::_M_Finish(), _String_base< _Tp, _Alloc >::_M_reset(), _String_base< _Tp, _Alloc >::_M_rest(), _String_base< _Tp, _Alloc >::_M_swap(), and _String_base< _Tp, _Alloc >::_String_base().

_M_start_of_storage

template<class _Tp , class _Alloc >

_AllocProxy _String_base< _Tp, _Alloc >::_M_start_of_storage

protected

Definition at line 87 of file _string_base.h.

Referenced by _String_base< _Tp, _Alloc >::_M_capacity(), _String_base< _Tp, _Alloc >::_M_deallocate_block(), _String_base< _Tp, _Alloc >::_M_reset(), _String_base< _Tp, _Alloc >::_M_Start(), _String_base< _Tp, _Alloc >::_M_swap(), _String_base< _Tp, _Alloc >::_String_base(), and _String_base< _Tp, _Alloc >::max_size().

---

The documentation for this class was generated from the following files:

• sdk/include/c++/stlport/stl/_string_base.h
• sdk/include/c++/stlport/stl/_string.c