godot/thirdparty/icu4c/common/ustack.cpp
2021-10-28 09:15:28 +03:00

63 lines
1.4 KiB
C++

// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
**********************************************************************
* Copyright (C) 2003-2011, International Business Machines
* Corporation and others. All Rights Reserved.
**********************************************************************
*/
#include "uvector.h"
U_NAMESPACE_BEGIN
UOBJECT_DEFINE_RTTI_IMPLEMENTATION(UStack)
UStack::UStack(UErrorCode &status) :
UVector(status)
{
}
UStack::UStack(int32_t initialCapacity, UErrorCode &status) :
UVector(initialCapacity, status)
{
}
UStack::UStack(UObjectDeleter *d, UElementsAreEqual *c, UErrorCode &status) :
UVector(d, c, status)
{
}
UStack::UStack(UObjectDeleter *d, UElementsAreEqual *c, int32_t initialCapacity, UErrorCode &status) :
UVector(d, c, initialCapacity, status)
{
}
UStack::~UStack() {}
void* UStack::pop(void) {
int32_t n = size() - 1;
void* result = nullptr;
if (n >= 0) {
result = orphanElementAt(n);
}
return result;
}
int32_t UStack::popi(void) {
int32_t n = size() - 1;
int32_t result = 0;
if (n >= 0) {
result = elementAti(n);
removeElementAt(n);
}
return result;
}
int32_t UStack::search(void* obj) const {
int32_t i = indexOf(obj);
return (i >= 0) ? size() - i : i;
}
U_NAMESPACE_END