From 4b86554a0354d78efeb40e551eaccaac0fecd1d1 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Tue, 25 Sep 2018 13:08:40 +0800
Subject: Change the structure of project.

---
 src/base.h | 107 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 107 insertions(+)
 create mode 100644 src/base.h

(limited to 'src/base.h')

diff --git a/src/base.h b/src/base.h
new file mode 100644
index 00000000..7ef78014
--- /dev/null
+++ b/src/base.h
@@ -0,0 +1,107 @@
+#pragma once
+
+// ReSharper disable once CppUnusedIncludeDirective
+#include "global_macros.h"
+
+
+#ifdef CRU_DEBUG
+#include <string>
+#include <vector>
+#else
+#include <folly/String.h>
+#include <folly/FBVector.h>
+#endif
+
+#include <folly/Function.h>
+
+#include <utility>
+#include <type_traits>
+#include <stdexcept>
+#include <memory>
+#include <string_view>
+#include <chrono>
+
+namespace cru
+{
+    template<typename T> struct is_shared_ptr : std::false_type {};
+    template<typename T> struct is_shared_ptr<std::shared_ptr<T>> : std::true_type {};
+    template<typename T> constexpr bool is_shared_ptr_v = is_shared_ptr<T>::value;
+
+    enum class FlowControl
+    {
+        Continue,
+        Break
+    };
+
+#ifdef CRU_DEBUG
+    using String = std::wstring;
+    using MultiByteString = std::string;
+#else
+    using String = folly::basic_fbstring<wchar_t>;
+    using MultiByteString = folly::fbstring;
+#endif
+
+    using StringView = std::wstring_view;
+    using MultiByteStringView = std::string_view;
+
+    template<typename FunctionType>
+    using Function = folly::Function<FunctionType>;
+
+    template<typename FunctionType>
+    using FunctionPtr = std::shared_ptr<Function<FunctionType>>;
+
+    using Action = Function<void()>;
+    using ActionPtr = FunctionPtr<void()>;
+
+    template<typename Type, typename... Args>
+    Type CreatePtr(Args&&... args)
+    {
+        static_assert(is_shared_ptr_v<Type>);
+        return std::make_shared<typename Type::element_type>(std::forward<Args>(args)...);
+    }
+
+    inline ActionPtr CreateActionPtr(Action&& action)
+    {
+        return std::make_shared<Action>(std::move(action));
+    }
+
+#ifdef CRU_DEBUG
+    template<typename T>
+    using Vector = std::vector<T>;
+#else
+    template<typename T>
+    using Vector = folly::fbvector<T>;
+#endif
+
+    using FloatSecond = std::chrono::duration<double, std::chrono::seconds::period>;
+
+    class Object
+    {
+    public:
+        Object() = default;
+        Object(const Object&) = default;
+        Object& operator = (const Object&) = default;
+        Object(Object&&) = default;
+        Object& operator = (Object&&) = default;
+        virtual ~Object() = default;
+    };
+
+    struct Interface
+    {
+        virtual ~Interface() = default;
+    };
+
+    [[noreturn]] inline void UnreachableCode()
+    {
+        throw std::logic_error("Unreachable code.");
+    }
+
+    struct ICancelable : virtual Interface
+    {
+        virtual void Cancel() = 0;
+    };
+
+    using CancelablePtr = std::shared_ptr<ICancelable>;
+
+    MultiByteString ToUtf8String(const StringView& string);
+}
-- 
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