file_open.h

Go to the documentation of this file.

 
#pragma once
 
#include <rex/bit.h>
#include <rex/types.h>
 
namespace rex::filesystem {
 
using rex::HasFlags;
using rex::operator|;
using rex::operator&;
using rex::operator^;
using rex::operator~;
using rex::operator|=;
using rex::operator&=;
using rex::operator^=;

enum class Access : u32 {
  kNone = 0,
  kReadData = 0x00000001,
  kWriteData = 0x00000002,
  kAppendData = 0x00000004,
  kAllAccess = 0x10000000,
  kExecuteAccess = 0x20000000, 
  kWriteAccess = 0x40000000,   
  kReadAccess = 0x80000000,    
};

enum class Disposition : u8 {
  kSupersede,   
  kOpen,        
  kCreate,      
  kOpenIf,      
  kOverwrite,   
  kOverwriteIf, 
};

enum class OpenAction : u8 {
  kSuperseded,
  kOpened,
  kCreated,
  kOverwritten,
  kExists,
  kDoesNotExist,
};
 
struct OpenOptions {
  Disposition disposition = Disposition::kOpen;
  Access access = Access::kReadAccess;
  bool create_directory = false;
  bool require_file = false;
};
 
}  // namespace rex::filesystem
 
template <>
inline constexpr bool rex::is_flags_enum<rex::filesystem::Access> = true;