Experimental: do not use.
Allocator to customize Value internal array. Below is an example of a simple implementation (actual implementation use memory pool).
{
public:
virtual ~DefaultValueArrayAllocator()
{
}
{
}
virtual ValueInternalArray *newArrayCopy( const ValueInternalArray &other )
{
return new ValueInternalArray( other );
}
virtual void destruct( ValueInternalArray *array )
{
delete array;
}
virtual void reallocateArrayPageIndex( Value **&indexes,
ValueInternalArray::PageIndex &indexCount,
ValueInternalArray::PageIndex minNewIndexCount )
{
ValueInternalArray::PageIndex newIndexCount = (indexCount*3)/2 + 1;
if ( minNewIndexCount > newIndexCount )
newIndexCount = minNewIndexCount;
void *newIndexes = realloc( indexes, sizeof(Value*) * newIndexCount );
if ( !newIndexes )
throw std::bad_alloc();
indexCount = newIndexCount;
indexes = static_cast<Value **>( newIndexes );
}
virtual void releaseArrayPageIndex( Value **indexes,
ValueInternalArray::PageIndex indexCount )
{
if ( indexes )
free( indexes );
}
virtual Value *allocateArrayPage()
{
return static_cast<Value *>( malloc( sizeof(Value) * ValueInternalArray::itemsPerPage ) );
}
virtual void releaseArrayPage( Value *value )
{
if ( value )
free( value );
}
};
Experimental: do not use.
A simplified deque implementation used internally by Value.
Definition at line 847 of file value.h.