96 lines
1.5 KiB
R
96 lines
1.5 KiB
R
#include "Array.h"
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@implementation Array
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- (id) init
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{
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count = size = 0;
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incr = 16;
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array = NIL;
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return self;
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}
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- (id) initWithIncrement: (integer) inc
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{
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count = 0;
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size = incr = inc;
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array = (void[][]) obj_malloc (inc * @sizeof (void []));
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return self;
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}
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- (void) free
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{
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local integer i;
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for (i = 0; i < count; i++)
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obj_free (array[i]);
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obj_free (array);
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}
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- (void []) getItemAt: (integer) index
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{
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if (index == -1)
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index = count - 1;
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if (index < 0 || index >= count)
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return NIL;
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return array[index];
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}
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- (void) setItemAt: (integer) index item: (void []) item
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{
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if (index == -1)
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index = count - 1;
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if (index < 0 || index >= count)
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return;
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array[index] = item;
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}
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- (void) addItem: (void []) item
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{
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if (count == size) {
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size += incr;
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array = (void[][])obj_realloc (array, size * @sizeof (void []));
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}
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array[count++] = item;
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}
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- (void []) removeItemAt: (integer) index
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{
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local integer i;
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local void [] item;
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if (index == -1)
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index = count -1;
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if (index < 0 || index >= count)
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return NIL;
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item = array[index];
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count--;
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for (i = index; i < count; i++)
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array[i] = array[i + 1];
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return item;
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}
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- (void []) insertItemAt: (integer) index item:(void []) item
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{
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local integer i;
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if (index == -1)
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index = count -1;
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if (index < 0 || index >= count)
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return NIL;
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if (count == size) {
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size += incr;
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array = (void[][])obj_realloc (array, size * @sizeof (void []));
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}
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for (i = count; i > index; i--)
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array[i] = array[i - 1];
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array[index] = item;
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count++;
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return item;
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}
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- (integer) count
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{
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return count;
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}
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@end
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