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-rw-r--r--Source/Core/Common/FixedSizeQueue.h32
1 files changed, 12 insertions, 20 deletions
diff --git a/Source/Core/Common/FixedSizeQueue.h b/Source/Core/Common/FixedSizeQueue.h
index 4afd38dbe7..b8fb345fb1 100644
--- a/Source/Core/Common/FixedSizeQueue.h
+++ b/Source/Core/Common/FixedSizeQueue.h
@@ -4,33 +4,19 @@
#pragma once
+#include <array>
#include <cstddef>
+#include <utility>
// STL-look-a-like interface, but name is mixed case to distinguish it clearly from the
// real STL classes.
-
+//
// Not fully featured, no safety checking yet. Add features as needed.
-// TODO: "inline" storage?
-
template <class T, int N>
class FixedSizeQueue
{
- T* storage;
- int head;
- int tail;
- int count; // sacrifice 4 bytes for a simpler implementation. may optimize away in the future.
-
- // Make copy constructor private for now.
- FixedSizeQueue(FixedSizeQueue& other) {}
public:
- FixedSizeQueue()
- {
- storage = new T[N];
- clear();
- }
-
- ~FixedSizeQueue() { delete[] storage; }
void clear()
{
head = 0;
@@ -40,7 +26,7 @@ public:
void push(T t)
{
- storage[tail] = t;
+ storage[tail] = std::move(t);
tail++;
if (tail == N)
tail = 0;
@@ -57,12 +43,18 @@ public:
T pop_front()
{
- const T& temp = storage[head];
+ T& temp = storage[head];
pop();
- return temp;
+ return std::move(temp);
}
T& front() { return storage[head]; }
const T& front() const { return storage[head]; }
size_t size() const { return count; }
+private:
+ std::array<T, N> storage;
+ int head = 0;
+ int tail = 0;
+ // Sacrifice 4 bytes for a simpler implementation. may optimize away in the future.
+ int count = 0;
};