Add printable Enum

2023-05-01 18:23:22 +02:00
parent ca7286807a
commit ad69293faa
17 changed files with 122 additions and 76 deletions
@@ -0,0 +1,52 @@
+#pragma once
+
+#include <ostream>
+#include <string>
+#include <vector>
+
+#define CP_STRINGIFY(x) #x
+#define CP_TO_STRING(x) CP_STRINGIFY(x)
+
+#define CP_ENUM_CREATOR(NameSpace, EnumName, EnumList) \
+namespace NameSpace { \
+  enum class EnumName \
+  { \
+    EnumList \
+  }; \
+  static const std::string& ToString(EnumName enumName) \
+  { \
+    static std::vector<std::string> enumNames = Copium::EnumPrinter::GetEnumNames(CP_TO_STRING(EnumList)); \
+    return enumNames[(int)enumName]; \
+  } \
+  \
+  static std::ostream& operator<<(std::ostream& ostream, EnumName enumName) \
+  { \
+    return ostream << ToString(enumName); \
+  } \
+}
+
+
+
+namespace Copium
+{
+  class EnumPrinter
+  {
+  public:
+    static std::vector<std::string> GetEnumNames(const std::string& enumNames)
+    {
+      std::vector<std::string> strs;
+      size_t lastPos = 0;
+      size_t pos = enumNames.find(',', lastPos);
+      while (pos != std::string::npos)
+      {
+        strs.emplace_back(enumNames.substr(lastPos, pos - lastPos));
+
+        lastPos = pos + 1;
+        while (enumNames[lastPos] == ' ') lastPos++;
+        pos = enumNames.find(',', lastPos);
+      }
+      strs.emplace_back(enumNames.substr(lastPos));
+      return strs;
+    }
+  };
+}