From 47931f41d579371c9c78ae7061317bf28848db2f Mon Sep 17 00:00:00 2001
From: Finlay Davidson <finlay.davidson@coderclass.nl>
Date: Thu, 16 Mar 2023 21:49:44 +0100
Subject: [PATCH] staticstack: Move to src/utility

---
 src/StaticStack.h           | 43 ---------------------------------
 src/displayapp/DisplayApp.h |  6 ++---
 src/utility/StaticStack.h   | 47 +++++++++++++++++++++++++++++++++++++
 3 files changed, 50 insertions(+), 46 deletions(-)
 delete mode 100644 src/StaticStack.h
 create mode 100644 src/utility/StaticStack.h

diff --git a/src/StaticStack.h b/src/StaticStack.h
deleted file mode 100644
index 598febce..00000000
--- a/src/StaticStack.h
+++ /dev/null
@@ -1,43 +0,0 @@
-#include <array>
-#include <cstddef>
-
-template <typename T, size_t N>
-class StaticStack {
-public:
-  T Pop();
-  void Push(T element);
-  void Reset();
-  T Top();
-
-private:
-  std::array<T, N> elementArray;
-  // Number of elements in stack, points to the next empty slot
-  size_t stackPointer = 0;
-};
-
-// Returns random data when popping from empty array.
-template <typename T, size_t N>
-T StaticStack<T, N>::Pop() {
-  if (stackPointer > 0) {
-    stackPointer--;
-  }
-  return elementArray[stackPointer];
-}
-
-template <typename T, size_t N>
-void StaticStack<T, N>::Push(T element) {
-  if (stackPointer < elementArray.size()) {
-    elementArray[stackPointer] = element;
-    stackPointer++;
-  }
-}
-
-template <typename T, size_t N>
-void StaticStack<T, N>::Reset() {
-  stackPointer = 0;
-}
-
-template <typename T, size_t N>
-T StaticStack<T, N>::Top() {
-  return elementArray[stackPointer - 1];
-}
diff --git a/src/displayapp/DisplayApp.h b/src/displayapp/DisplayApp.h
index 58df99c0..28d29cd4 100644
--- a/src/displayapp/DisplayApp.h
+++ b/src/displayapp/DisplayApp.h
@@ -19,7 +19,7 @@
 #include "displayapp/Messages.h"
 #include "BootErrors.h"
 
-#include "StaticStack.h"
+#include "utility/StaticStack.h"
 
 namespace Pinetime {
 
@@ -126,8 +126,8 @@ namespace Pinetime {
       void ApplyBrightness();
 
       static constexpr size_t returnAppStackSize = 10;
-      StaticStack<Apps, returnAppStackSize> returnAppStack;
-      StaticStack<FullRefreshDirections, returnAppStackSize> appStackDirections;
+      Utility::StaticStack<Apps, returnAppStackSize> returnAppStack;
+      Utility::StaticStack<FullRefreshDirections, returnAppStackSize> appStackDirections;
 
       bool isDimmed = false;
     };
diff --git a/src/utility/StaticStack.h b/src/utility/StaticStack.h
new file mode 100644
index 00000000..40df9354
--- /dev/null
+++ b/src/utility/StaticStack.h
@@ -0,0 +1,47 @@
+#include <array>
+#include <cstddef>
+
+namespace Pinetime {
+  namespace Utility {
+    template <typename T, size_t N>
+    class StaticStack {
+    public:
+      T Pop();
+      void Push(T element);
+      void Reset();
+      T Top();
+
+    private:
+      std::array<T, N> elementArray;
+      // Number of elements in stack, points to the next empty slot
+      size_t stackPointer = 0;
+    };
+
+    // Returns random data when popping from empty array.
+    template <typename T, size_t N>
+    T StaticStack<T, N>::Pop() {
+      if (stackPointer > 0) {
+        stackPointer--;
+      }
+      return elementArray[stackPointer];
+    }
+
+    template <typename T, size_t N>
+    void StaticStack<T, N>::Push(T element) {
+      if (stackPointer < elementArray.size()) {
+        elementArray[stackPointer] = element;
+        stackPointer++;
+      }
+    }
+
+    template <typename T, size_t N>
+    void StaticStack<T, N>::Reset() {
+      stackPointer = 0;
+    }
+
+    template <typename T, size_t N>
+    T StaticStack<T, N>::Top() {
+      return elementArray[stackPointer - 1];
+    }
+  }
+}