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/* Copyright (C) 2003 MySQL AB
This program 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; version 2 of the License.
This program 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.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#include <my_sys.h>
/*
A typesafe wrapper around DYNAMIC_ARRAY
*/
template <class Elem> class Dynamic_array
{
DYNAMIC_ARRAY array;
public:
Dynamic_array(uint prealloc=16, uint increment=16)
{
my_init_dynamic_array(&array, sizeof(Elem), prealloc, increment);
}
Elem& at(int idx)
{
return *(((Elem*)array.buffer) + idx);
}
Elem *front()
{
return (Elem*)array.buffer;
}
Elem *back()
{
return ((Elem*)array.buffer) + array.elements;
}
bool append(Elem &el)
{
return (insert_dynamic(&array, (gptr)&el));
}
int elements()
{
return array.elements;
}
~Dynamic_array()
{
delete_dynamic(&array);
}
typedef int (*CMP_FUNC)(const Elem *el1, const Elem *el2);
void sort(CMP_FUNC cmp_func)
{
qsort(array.buffer, array.elements, sizeof(Elem), (qsort_cmp)cmp_func);
}
};
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