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//========================================================================
//
// GooList.cc
//
// Copyright 2001-2003 Glyph & Cog, LLC
//
//========================================================================
#include <config.h>
#ifdef USE_GCC_PRAGMAS
#pragma implementation
#endif
#include <stdlib.h>
#include <string.h>
#include "gmem.h"
#include "GooList.h"
//------------------------------------------------------------------------
// GooList
//------------------------------------------------------------------------
GooList::GooList() {
size = 8;
data = (void **)gmallocn(size, sizeof(void*));
length = 0;
inc = 0;
}
GooList::GooList(int sizeA) {
size = sizeA ? sizeA : 8;
data = (void **)gmallocn(size, sizeof(void*));
length = 0;
inc = 0;
}
GooList::~GooList() {
gfree(data);
}
GooList *GooList::copy() {
GooList *ret;
ret = new GooList(length);
ret->length = length;
memcpy(ret->data, data, length * sizeof(void *));
ret->inc = inc;
return ret;
}
void GooList::append(void *p) {
if (length >= size) {
expand();
}
data[length++] = p;
}
void GooList::append(GooList *list) {
int i;
while (length + list->length > size) {
expand();
}
for (i = 0; i < list->length; ++i) {
data[length++] = list->data[i];
}
}
void GooList::insert(int i, void *p) {
if (length >= size) {
expand();
}
if (i < 0) {
i = 0;
}
if (i < length) {
memmove(data+i+1, data+i, (length - i) * sizeof(void *));
}
data[i] = p;
++length;
}
void *GooList::del(int i) {
void *p;
p = data[i];
if (i < length - 1) {
memmove(data+i, data+i+1, (length - i - 1) * sizeof(void *));
}
--length;
if (size - length >= ((inc > 0) ? inc : size/2)) {
shrink();
}
return p;
}
void GooList::sort(int (*cmp)(const void *obj1, const void *obj2)) {
qsort(data, length, sizeof(void *), cmp);
}
void GooList::reverse() {
void *t;
int n, i;
n = length / 2;
for (i = 0; i < n; ++i) {
t = data[i];
data[i] = data[length - 1 - i];
data[length - 1 - i] = t;
}
}
void GooList::expand() {
size += (inc > 0) ? inc : size;
data = (void **)greallocn(data, size, sizeof(void*));
}
void GooList::shrink() {
size -= (inc > 0) ? inc : size/2;
data = (void **)greallocn(data, size, sizeof(void*));
}
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