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#include <stdio.h>
#include <string.h>
#include "h_collection.h"
HCollection::HCollection(ccIndex aLimit, ccIndex aDelta) :
count(0),
limit(0),
items(NULL),
delta(aDelta),
shouldDelete(false),
lastItem(-1)
{
setLimit(aLimit);
}
HCollection::~HCollection()
{
if (shouldDelete)
freeAll();
delete items;
}
void* HCollection::at(ccIndex pIndex)
{
if (pIndex < 0 || pIndex >= count)
return NULL;
lastItem = pIndex;
return items[pIndex];
}
bool HCollection::atFree(ccIndex pIndex)
{
void* item = at(pIndex);
if (!atRemove(pIndex))
return false;
freeItem(item);
return true;
}
bool HCollection::atInsert(ccIndex pIndex, void* item)
{
if (pIndex < 0)
return false;
if (count == limit) {
if (delta == 0)
return false;
setLimit(count + delta);
}
if (pIndex < count)
shiftItem(pIndex, 1);
count++;
items[pIndex] = (uchar*)item;
lastItem = pIndex;
return true;
}
bool HCollection::atPut(ccIndex pIndex, void* item)
{
if (pIndex >= count) return false;
items[pIndex] = (uchar*)item;
return true;
}
bool HCollection::atRemove(ccIndex pIndex)
{
if (pIndex < 0 || pIndex >= count)
return false;
count--;
if (count > pIndex)
shiftItem(pIndex, -1);
lastItem = pIndex;
return true;
}
void HCollection::remove(void* item)
{
atRemove(indexOf(item));
}
void HCollection::removeAll()
{
count = 0;
}
void* HCollection::firstThat(ccTestFunc Test, void* arg)
{
for (ccIndex i = 0; i < count; i++)
if (Test(items[i], arg) == true) {
lastItem = i;
return items[i];
}
return NULL;
}
void* HCollection::lastThat(ccTestFunc Test, void* arg)
{
for (ccIndex i = count - 1; i >= 0; i--)
if (Test(items[i], arg) == true) {
lastItem = i;
return items[i];
}
return NULL;
}
void HCollection::forEach(ccAppFunc action, void* arg)
{
for (ccIndex i = 0; i < count; i++)
action(items[i], arg);
lastItem = count - 1;
}
void HCollection::free(void* item)
{
remove(item);
freeItem(item);
}
void HCollection::freeAll()
{
for (ccIndex i = 0; i < count; i++)
freeItem(at(i));
count = 0;
}
void HCollection::freeItem(void* item)
{
delete item;
}
ccIndex HCollection::indexOf(const void* item)
{
for (ccIndex i = 0; i < count; i++)
if (item == items[i])
return i;
return -1;
}
bool HCollection::insert(void* item)
{
return atInsert(count, item);
}
void HCollection::pack()
{
uchar** curDst = items;
uchar** curSrc = items;
uchar** last = items + count;
while (curSrc < last) {
if (*curSrc != 0)
*curDst++ = *curSrc;
*curSrc++;
}
}
void HCollection::setLimit(ccIndex aLimit)
{
if (aLimit < count)
aLimit = count;
if (aLimit > maxCollectionSize)
aLimit = maxCollectionSize;
if (aLimit != limit) {
uchar** aItems;
if (aLimit == 0) aItems = NULL;
else {
aItems = new uchar*[aLimit];
if (count != 0 && aItems != NULL && items != NULL)
memcpy(aItems, items, count* sizeof(void*));
}
delete items;
items = aItems;
limit = aLimit;
}
}
bool HCollection::shiftItem(ccIndex pItemNo, int direction)
{
if (items == NULL || pItemNo >= limit)
return false;
switch (direction) {
case 1: // Раздвинуть массив на один элемент
memmove(items + pItemNo + 1, items + pItemNo, sizeof(void*)*(count - pItemNo));
items[pItemNo] = NULL;
return true;
case -1: // Сдвинуть массив на один элемент
memmove(items + pItemNo, items + pItemNo + 1, sizeof(void*)*(count - pItemNo));
items[count] = NULL;
return true;
default: return false;
}
}
void HCollection::tide()
{
delete items; items = NULL;
count = 0;
}
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