jkxr/Projects/Android/jni/OpenJK/code/Ratl/stack_vs.h
Simon 4597b03873 Initial Commit
Opens in Android Studio but haven't even tried to build it yet (it won't.. I know that much!)
2022-09-18 16:37:21 +01:00

207 lines
6.2 KiB
C++

/*
===========================================================================
Copyright (C) 2000 - 2013, Raven Software, Inc.
Copyright (C) 2001 - 2013, Activision, Inc.
Copyright (C) 2013 - 2015, OpenJK contributors
This file is part of the OpenJK source code.
OpenJK is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License version 2 as
published by the Free Software Foundation.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, see <http://www.gnu.org/licenses/>.
===========================================================================
*/
////////////////////////////////////////////////////////////////////////////////////////
// RAVEN STANDARD TEMPLATE LIBRARY
// (c) 2002 Activision
//
//
// Stack
// -----
// This is a very simple wrapper around a stack object.
//
// First In, Last Out
//
//
//
// NOTES:
//
//
//
////////////////////////////////////////////////////////////////////////////////////////
#if !defined(RATL_STACK_VS_INC)
#define RATL_STACK_VS_INC
////////////////////////////////////////////////////////////////////////////////////////
// Includes
////////////////////////////////////////////////////////////////////////////////////////
#if !defined(RATL_COMMON_INC)
#include "ratl_common.h"
#endif
namespace ratl
{
////////////////////////////////////////////////////////////////////////////////////////
// The stack Class
////////////////////////////////////////////////////////////////////////////////////////
template <class T>
class stack_base : public ratl_base
{
public:
typedef T TStorageTraits;
typedef typename T::TValue TTValue;
////////////////////////////////////////////////////////////////////////////////////
// Capacity Enum
////////////////////////////////////////////////////////////////////////////////////
static const int CAPACITY = T::CAPACITY;
private:
////////////////////////////////////////////////////////////////////////////////////
// Data
////////////////////////////////////////////////////////////////////////////////////
array_base<TStorageTraits> mData; // The Memory
int mSize;
public:
////////////////////////////////////////////////////////////////////////////////////
// Constructor
////////////////////////////////////////////////////////////////////////////////////
stack_base() : mSize(0)
{
}
////////////////////////////////////////////////////////////////////////////////////
// Get The Size (The Difference Between The Push And Pop "Pointers")
////////////////////////////////////////////////////////////////////////////////////
int size() const
{
return mSize;
}
////////////////////////////////////////////////////////////////////////////////////
// Check To See If The Size Is Zero
////////////////////////////////////////////////////////////////////////////////////
bool empty() const
{
return !mSize;
}
////////////////////////////////////////////////////////////////////////////////////
// Check To See If The Size Is Full
////////////////////////////////////////////////////////////////////////////////////
bool full() const
{
return mSize>=CAPACITY;
}
////////////////////////////////////////////////////////////////////////////////////
// Empty Out The Entire stack
////////////////////////////////////////////////////////////////////////////////////
void clear()
{
mSize = 0;
mData.clear();
}
////////////////////////////////////////////////////////////////////////////////////
// Add A Value, returns a reference to the value in place
////////////////////////////////////////////////////////////////////////////////////
TTValue & push()
{
assert(!full());
mData.construct(mSize);
mSize++;
return mData[mSize-1];
}
////////////////////////////////////////////////////////////////////////////////////
// Add A Value to the stack
////////////////////////////////////////////////////////////////////////////////////
void push(const TTValue& v)
{
assert(!full());
mData.construct(mSize,v);
mSize++;
}
////////////////////////////////////////////////////////////////////////////////////
// Add A Value to the stack, returning a void * to the memory
////////////////////////////////////////////////////////////////////////////////////
TRatlNew *push_raw()
{
assert(!full());
mSize++;
return mData.alloc_raw(mSize-1);
}
////////////////////////////////////////////////////////////////////////////////////
// Remove A Value From The stack
////////////////////////////////////////////////////////////////////////////////////
void pop()
{
assert(!empty());
mSize--;
mData.destruct(mSize);
}
TTValue & top()
{
assert(!empty());
return mData[mSize-1];
}
const TTValue & top() const
{
assert(!empty());
return mData[mSize-1];
}
template<class CAST_TO>
CAST_TO *verify_alloc(CAST_TO *p) const
{
return mData.verify_alloc(p);
}
};
template<class T, int ARG_CAPACITY>
class stack_vs : public stack_base<storage::value_semantics<T,ARG_CAPACITY> >
{
public:
typedef typename storage::value_semantics<T,ARG_CAPACITY> TStorageTraits;
typedef typename TStorageTraits::TValue TTValue;
static const int CAPACITY = ARG_CAPACITY;
stack_vs() {}
};
template<class T, int ARG_CAPACITY>
class stack_os : public stack_base<storage::object_semantics<T,ARG_CAPACITY> >
{
public:
typedef typename storage::object_semantics<T,ARG_CAPACITY> TStorageTraits;
typedef typename TStorageTraits::TValue TTValue;
static const int CAPACITY = ARG_CAPACITY;
stack_os() {}
};
template<class T, int ARG_CAPACITY, int ARG_MAX_CLASS_SIZE>
class stack_is : public stack_base<storage::virtual_semantics<T,ARG_CAPACITY,ARG_MAX_CLASS_SIZE> >
{
public:
typedef typename storage::virtual_semantics<T,ARG_CAPACITY,ARG_MAX_CLASS_SIZE> TStorageTraits;
typedef typename TStorageTraits::TValue TTValue;
static const int CAPACITY = ARG_CAPACITY;
static const int MAX_CLASS_SIZE = ARG_MAX_CLASS_SIZE;
stack_is() {}
};
}
#endif