initial upload

src/ckitty/system/error.hpp

@@ -0,0 +1,62 @@
+#pragma once
+
+#include <ckitty/memory/primitives.hpp>
+#include <sstream>
+#include <iomanip>
+
+namespace ckitty {
+
+    struct error {
+
+        i32 code;
+        std::string message;
+
+        error(i32 code = 0, const std::string& msg = "")
+            : code(code), message(msg) {
+        }
+
+        operator bool() const {
+            return code;
+        }
+
+        operator std::string() const {
+            std::ostringstream oss;
+            oss << "[" << std::hex << std::showbase << std::uppercase << std::setw(2) << std::setfill('0') << code << "] ";
+            oss << (message.empty() ? "(no info)" : message);
+            return oss.str();
+        }
+
+        error& operator+=(const error& err) {
+            auto err1 = (*this) + err;
+            code = err1.code;
+            message = err1.message;
+            return *this;
+        }
+
+        error operator+(const error& err) const {
+            // If this error has no code (no error), return the other error
+            if (code == 0) {
+                return err;
+            }
+
+            // If the other error has no code, return this error
+            if (err.code == 0) {
+                return *this;
+            }
+
+            // Both errors have codes, combine them
+            error result = *this;
+
+            // Combine messages
+            if (!result.message.empty()) {
+                result.message += "\n  ";
+            }
+
+            // add next error to the message
+            result.message += err.operator std::string();
+            return result;
+        }
+
+    };
+
+}