tinyxml2::MemPoolT< SIZE > Class Template Reference

#include <tinyxml2.h>

Inheritance diagram for tinyxml2::MemPoolT< SIZE >:

Collaboration diagram for tinyxml2::MemPoolT< SIZE >:

Classes
struct	Block
union	Chunk

Public Types
enum	{ COUNT = (4*1024)/SIZE }

Public Member Functions
	MemPoolT ()
	~MemPoolT ()
void	Clear ()
virtual int	ItemSize () const
int	CurrentAllocs () const
virtual void *	Alloc ()
virtual void	Free (void *mem)
void	Trace (const char *name)
void	SetTracked ()
int	Untracked () const
Public Member Functions inherited from tinyxml2::MemPool
	MemPool ()
virtual	~MemPool ()

Private Member Functions
	MemPoolT (const MemPoolT &)
void	operator= (const MemPoolT &)

Private Attributes
DynArray< Block *, 10 >	_blockPtrs
Chunk *	_root
int	_currentAllocs
int	_nAllocs
int	_maxAllocs
int	_nUntracked

Detailed Description

template<int SIZE>
class tinyxml2::MemPoolT< SIZE >

Definition at line 315 of file tinyxml2.h.

Member Enumeration Documentation

anonymous enum

template<int SIZE>

anonymous enum

Enumerator
COUNT

Definition at line 401 of file tinyxml2.h.

{ COUNT = (4*1024)/SIZE }; // Some compilers do not accept to use COUNT in private part if COUNT is private

Constructor & Destructor Documentation

MemPoolT() [1/2]

template<int SIZE>

tinyxml2::MemPoolT< SIZE >::MemPoolT ( )

inline

Definition at line 318 of file tinyxml2.h.

: _root(0), _currentAllocs(0), _nAllocs(0), _maxAllocs(0), _nUntracked(0)   {}

~MemPoolT()

template<int SIZE>

tinyxml2::MemPoolT< SIZE >::~MemPoolT ( )

inline

Definition at line 319 of file tinyxml2.h.

                {
        Clear();
    }

MemPoolT() [2/2]

template<int SIZE>

tinyxml2::MemPoolT< SIZE >::MemPoolT ( const MemPoolT< SIZE > &  )

private

Member Function Documentation

Alloc()

template<int SIZE>

virtual void* tinyxml2::MemPoolT< SIZE >::Alloc ( )

inlinevirtual

Implements tinyxml2::MemPool.

Definition at line 343 of file tinyxml2.h.

                          {
        if ( !_root ) {
            // Need a new block.
            Block* block = new Block();
            _blockPtrs.Push( block );

            for( int i=0; i<COUNT-1; ++i ) {
                block->chunk[i].next = &block->chunk[i+1];
            }
            block->chunk[COUNT-1].next = 0;
            _root = block->chunk;
        }
        void* result = _root;
        _root = _root->next;

        ++_currentAllocs;
        if ( _currentAllocs > _maxAllocs ) {
            _maxAllocs = _currentAllocs;
        }
        _nAllocs++;
        _nUntracked++;
        return result;
    }

Clear()

template<int SIZE>

void tinyxml2::MemPoolT< SIZE >::Clear ( )

inlinevirtual

Implements tinyxml2::MemPool.

Definition at line 323 of file tinyxml2.h.

                 {
        // Delete the blocks.
        while( !_blockPtrs.Empty()) {
            Block* b  = _blockPtrs.Pop();
            delete b;
        }
        _root = 0;
        _currentAllocs = 0;
        _nAllocs = 0;
        _maxAllocs = 0;
        _nUntracked = 0;
    }

Referenced by tinyxml2::MemPoolT< sizeof(tinyxml2::XMLElement) >::~MemPoolT().

CurrentAllocs()

template<int SIZE>

int tinyxml2::MemPoolT< SIZE >::CurrentAllocs ( ) const

inline

Definition at line 339 of file tinyxml2.h.

                                    {
        return _currentAllocs;
    }

Free()

template<int SIZE>

virtual void tinyxml2::MemPoolT< SIZE >::Free ( void *  mem )

inlinevirtual

Implements tinyxml2::MemPool.

Definition at line 367 of file tinyxml2.h.

                                   {
        if ( !mem ) {
            return;
        }
        --_currentAllocs;
        Chunk* chunk = static_cast<Chunk*>( mem );
#ifdef DEBUG
        memset( chunk, 0xfe, sizeof(Chunk) );
#endif
        chunk->next = _root;
        _root = chunk;
    }

ItemSize()

template<int SIZE>

virtual int tinyxml2::MemPoolT< SIZE >::ItemSize ( ) const

inlinevirtual

Implements tinyxml2::MemPool.

Definition at line 336 of file tinyxml2.h.

                                    {
        return SIZE;
    }

operator=()

template<int SIZE>

void tinyxml2::MemPoolT< SIZE >::operator= ( const MemPoolT< SIZE > &  )

private

SetTracked()

template<int SIZE>

void tinyxml2::MemPoolT< SIZE >::SetTracked ( )

inlinevirtual

Implements tinyxml2::MemPool.

Definition at line 384 of file tinyxml2.h.

                      {
        _nUntracked--;
    }

Trace()

template<int SIZE>

void tinyxml2::MemPoolT< SIZE >::Trace ( const char *  name )

inline

Definition at line 379 of file tinyxml2.h.

                                   {
        printf( "Mempool %s watermark=%d [%dk] current=%d size=%d nAlloc=%d blocks=%d\n",
                name, _maxAllocs, _maxAllocs*SIZE/1024, _currentAllocs, SIZE, _nAllocs, _blockPtrs.Size() );
    }

Untracked()

template<int SIZE>

int tinyxml2::MemPoolT< SIZE >::Untracked ( ) const

inline

Definition at line 388 of file tinyxml2.h.

                          {
        return _nUntracked;
    }

Member Data Documentation

_blockPtrs

template<int SIZE>

DynArray< Block*, 10 > tinyxml2::MemPoolT< SIZE >::_blockPtrs

private

Definition at line 414 of file tinyxml2.h.

Referenced by tinyxml2::MemPoolT< sizeof(tinyxml2::XMLElement) >::Alloc(), tinyxml2::MemPoolT< sizeof(tinyxml2::XMLElement) >::Clear(), and tinyxml2::MemPoolT< sizeof(tinyxml2::XMLElement) >::Trace().

_currentAllocs

template<int SIZE>

int tinyxml2::MemPoolT< SIZE >::_currentAllocs

private

Definition at line 417 of file tinyxml2.h.

Referenced by tinyxml2::MemPoolT< sizeof(tinyxml2::XMLElement) >::Alloc(), tinyxml2::MemPoolT< sizeof(tinyxml2::XMLElement) >::Clear(), tinyxml2::MemPoolT< sizeof(tinyxml2::XMLElement) >::CurrentAllocs(), tinyxml2::MemPoolT< sizeof(tinyxml2::XMLElement) >::Free(), and tinyxml2::MemPoolT< sizeof(tinyxml2::XMLElement) >::Trace().

_maxAllocs

template<int SIZE>

int tinyxml2::MemPoolT< SIZE >::_maxAllocs

private

Definition at line 419 of file tinyxml2.h.

Referenced by tinyxml2::MemPoolT< sizeof(tinyxml2::XMLElement) >::Alloc(), tinyxml2::MemPoolT< sizeof(tinyxml2::XMLElement) >::Clear(), and tinyxml2::MemPoolT< sizeof(tinyxml2::XMLElement) >::Trace().

_nAllocs

template<int SIZE>

int tinyxml2::MemPoolT< SIZE >::_nAllocs

private

Definition at line 418 of file tinyxml2.h.

Referenced by tinyxml2::MemPoolT< sizeof(tinyxml2::XMLElement) >::Alloc(), tinyxml2::MemPoolT< sizeof(tinyxml2::XMLElement) >::Clear(), and tinyxml2::MemPoolT< sizeof(tinyxml2::XMLElement) >::Trace().

_nUntracked

template<int SIZE>

int tinyxml2::MemPoolT< SIZE >::_nUntracked

private

Definition at line 420 of file tinyxml2.h.

Referenced by tinyxml2::MemPoolT< sizeof(tinyxml2::XMLElement) >::Alloc(), tinyxml2::MemPoolT< sizeof(tinyxml2::XMLElement) >::Clear(), tinyxml2::MemPoolT< sizeof(tinyxml2::XMLElement) >::SetTracked(), and tinyxml2::MemPoolT< sizeof(tinyxml2::XMLElement) >::Untracked().

_root

template<int SIZE>

Chunk* tinyxml2::MemPoolT< SIZE >::_root

private

Definition at line 415 of file tinyxml2.h.

Referenced by tinyxml2::MemPoolT< sizeof(tinyxml2::XMLElement) >::Alloc(), and tinyxml2::MemPoolT< sizeof(tinyxml2::XMLElement) >::Free().

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

• sdk/tools/xml2sdb/tinyxml2.h