1// © 2016 and later: Unicode, Inc. and others.
2// License & terms of use: http://www.unicode.org/copyright.html
3/*
4**********************************************************************
5* Copyright (C) 2003-2011, International Business Machines
6* Corporation and others. All Rights Reserved.
7**********************************************************************
8*/
9
10#include "uvector.h"
11
12U_NAMESPACE_BEGIN
13
14UOBJECT_DEFINE_RTTI_IMPLEMENTATION(UStack)
15
16UStack::UStack(UErrorCode &status) :
17 UVector(status)
18{
19}
20
21UStack::UStack(int32_t initialCapacity, UErrorCode &status) :
22 UVector(initialCapacity, status)
23{
24}
25
26UStack::UStack(UObjectDeleter *d, UElementsAreEqual *c, UErrorCode &status) :
27 UVector(d, c, status)
28{
29}
30
31UStack::UStack(UObjectDeleter *d, UElementsAreEqual *c, int32_t initialCapacity, UErrorCode &status) :
32 UVector(d, c, initialCapacity, status)
33{
34}
35
36UStack::~UStack() {}
37
38void* UStack::pop() {
39 int32_t n = size() - 1;
40 void* result = nullptr;
41 if (n >= 0) {
42 result = orphanElementAt(n);
43 }
44 return result;
45}
46
47int32_t UStack::popi() {
48 int32_t n = size() - 1;
49 int32_t result = 0;
50 if (n >= 0) {
51 result = elementAti(n);
52 removeElementAt(n);
53 }
54 return result;
55}
56
57int32_t UStack::search(void* obj) const {
58 int32_t i = indexOf(obj);
59 return (i >= 0) ? size() - i : i;
60}
61
62U_NAMESPACE_END
63