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use core::fmt;

pub const NULL_GUID                         : Guid = Guid(0x00000000, 0x0000, 0x0000, [0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00]);
pub const MPS_TABLE_GUID                    : Guid = Guid(0xeb9d2d2f, 0x2d88, 0x11d3, [0x9a, 0x16, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d]);
pub const ACPI_TABLE_GUID                   : Guid = Guid(0xeb9d2d30, 0x2d88, 0x11d3, [0x9a, 0x16, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d]);
pub const ACPI_20_TABLE_GUID                : Guid = Guid(0x8868e871, 0xe4f1, 0x11d3, [0xbc, 0x22, 0x00, 0x80, 0xc7, 0x3c, 0x88, 0x81]);
pub const SMBIOS_TABLE_GUID                 : Guid = Guid(0xeb9d2d31, 0x2d88, 0x11d3, [0x9a, 0x16, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d]);
pub const SMBIOS3_TABLE_GUID                : Guid = Guid(0xf2fd1544, 0x9794, 0x4a2c, [0x99, 0x2e, 0xe5, 0xbb, 0xcf, 0x20, 0xe3, 0x94]);
pub const SAL_SYSTEM_TABLE_GUID             : Guid = Guid(0xeb9d2d32, 0x2d88, 0x11d3, [0x9a, 0x16, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d]);
pub const HCDP_TABLE_GUID                   : Guid = Guid(0xf951938d, 0x620b, 0x42ef, [0x82, 0x79, 0xa8, 0x4b, 0x79, 0x61, 0x78, 0x98]);
pub const UGA_IO_PROTOCOL_GUID              : Guid = Guid(0x61a4d49e, 0x6f68, 0x4f1b, [0xb9, 0x22, 0xa8, 0x6e, 0xed, 0x0b, 0x07, 0xa2]);
pub const SIMPLE_TEXT_OUTPUT_GUID           : Guid = Guid(0x387477c2, 0x69c7, 0x11d2, [0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b]);
pub const GLOBAL_VARIABLE_GUID              : Guid = Guid(0x8be4df61, 0x93ca, 0x11d2, [0xaa, 0x0d, 0x00, 0xe0, 0x98, 0x03, 0x2b, 0x8c]);
pub const UV_SYSTEM_TABLE_GUID              : Guid = Guid(0x3b13a7d4, 0x633e, 0x11dd, [0x93, 0xec, 0xda, 0x25, 0x56, 0xd8, 0x95, 0x93]);
pub const LINUX_EFI_CRASH_GUID              : Guid = Guid(0xcfc8fc79, 0xbe2e, 0x4ddc, [0x97, 0xf0, 0x9f, 0x98, 0xbf, 0xe2, 0x98, 0xa0]);
pub const LOADED_IMAGE_PROTOCOL_GUID        : Guid = Guid(0x5b1b31a1, 0x9562, 0x11d2, [0x8e, 0x3f, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b]);
pub const GRAPHICS_OUTPUT_PROTOCOL_GUID     : Guid = Guid(0x9042a9de, 0x23dc, 0x4a38, [0x96, 0xfb, 0x7a, 0xde, 0xd0, 0x80, 0x51, 0x6a]);
pub const UGA_PROTOCOL_GUID                 : Guid = Guid(0x982c298b, 0xf4fa, 0x41cb, [0xb8, 0x38, 0x77, 0xaa, 0x68, 0x8f, 0xb8, 0x39]);
pub const PCI_IO_PROTOCOL_GUID              : Guid = Guid(0x4cf5b200, 0x68b8, 0x4ca5, [0x9e, 0xec, 0xb2, 0x3e, 0x3f, 0x50, 0x02, 0x9a]);
pub const FILE_INFO_ID                      : Guid = Guid(0x09576e92, 0x6d3f, 0x11d2, [0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b]);
pub const SYSTEM_RESOURCE_TABLE_GUID        : Guid = Guid(0xb122a263, 0x3661, 0x4f68, [0x99, 0x29, 0x78, 0xf8, 0xb0, 0xd6, 0x21, 0x80]);
pub const BLOCK_IO_GUID                     : Guid = Guid(0x964e5b21, 0x6459, 0x11d2, [0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b]);
pub const FILE_SYSTEM_GUID                  : Guid = Guid(0x964e5b22, 0x6459, 0x11d2, [0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b]);
pub const LOAD_FILE_GUID                    : Guid = Guid(0x56ec3091, 0x954c, 0x11d2, [0x8e, 0x3f, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b]);
pub const DEVICE_PATH_GUID                  : Guid = Guid(0x09576e91, 0x6d3f, 0x11d2, [0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b]);
pub const DEVICE_TREE_GUID                  : Guid = Guid(0xb1b621d5, 0xf19c, 0x41a5, [0x83, 0x0b, 0xd9, 0x15, 0x2c, 0x69, 0xaa, 0xe0]);
pub const PROPERTIES_TABLE_GUID             : Guid = Guid(0x880aaca3, 0x4adc, 0x4a04, [0x90, 0x79, 0xb7, 0x47, 0x34, 0x08, 0x25, 0xe5]);
pub const RNG_PROTOCOL_GUID                 : Guid = Guid(0x3152bca5, 0xeade, 0x433d, [0x86, 0x2e, 0xc0, 0x1c, 0xdc, 0x29, 0x1f, 0x44]);
pub const RNG_ALGORITHM_RAW                 : Guid = Guid(0xe43176d7, 0xb6e8, 0x4827, [0xb7, 0x84, 0x7f, 0xfd, 0xc4, 0xb6, 0x85, 0x61]);
pub const MEMORY_ATTRIBUTES_TABLE_GUID      : Guid = Guid(0xdcfa911d, 0x26eb, 0x469f, [0xa2, 0x20, 0x38, 0xb7, 0xdc, 0x46, 0x12, 0x20]);
pub const CONSOLE_OUT_DEVICE_GUID           : Guid = Guid(0xd3b36f2c, 0xd551, 0x11d4, [0x9a, 0x46, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d]);
pub const SECTION_TIANO_COMPRESS_GUID       : Guid = Guid(0xa31280ad, 0x481e, 0x41b6, [0x95, 0xe8, 0x12, 0x7f, 0x4c, 0x98, 0x47, 0x79]);
pub const SECTION_LZMA_COMPRESS_GUID        : Guid = Guid(0xee4e5898, 0x3914, 0x4259, [0x9d, 0x6e, 0xdc, 0x7b, 0xd7, 0x94, 0x03, 0xcf]);
pub const DXE_SERVICES_TABLE_GUID           : Guid = Guid(0x05ad34ba, 0x6f02, 0x4214, [0x95, 0x2e, 0x4d, 0xa0, 0x39, 0x8e, 0x2b, 0xb9]);
pub const HOB_LIST_GUID                     : Guid = Guid(0x7739f24c, 0x93d7, 0x11d4, [0x9a, 0x3a, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d]);
pub const MEMORY_TYPE_INFORMATION_GUID      : Guid = Guid(0x4c19049f, 0x4137, 0x4dd3, [0x9c, 0x10, 0x8b, 0x97, 0xa8, 0x3f, 0xfd, 0xfa]);
pub const DEBUG_IMAGE_INFO_TABLE_GUID       : Guid = Guid(0x49152e77, 0x1ada, 0x4764, [0xb7, 0xa2, 0x7a, 0xfe, 0xfe, 0xd9, 0x5e, 0x8b]);
pub const SHELL_GUID                        : Guid = Guid(0x6302d008, 0x7f9b, 0x4f30, [0x87, 0xac, 0x60, 0xc9, 0xfe, 0xf5, 0xda, 0x4e]);
pub const SHELL_PARAMETERS_GUID             : Guid = Guid(0x752f3136, 0x4e16, 0x4fdc, [0xa2, 0x2a, 0xe5, 0xf4, 0x68, 0x12, 0xf4, 0xca]);
pub const SIMPLE_POINTER_GUID               : Guid = Guid(0x31878c87, 0x0b75, 0x11d5, [0x9a, 0x4f, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d]);
pub const HII_DATABASE_GUID                 : Guid = Guid(0xef9fc172, 0xa1b2, 0x4693, [0xb3, 0x27, 0x6d, 0x32, 0xfc, 0x41, 0x60, 0x42]);
pub const COMPONENT_NAME2_GUID              : Guid = Guid(0x6a7a5cff, 0xe8d9, 0x4f70, [0xba, 0xda, 0x75, 0xab, 0x30, 0x25, 0xce, 0x14]);

#[derive(Copy, Clone, Debug, Eq, PartialEq)]
#[repr(C)]
pub struct Guid(pub u32, pub u16, pub u16, pub [u8; 8]);

#[derive(Copy, Clone, Debug, Eq, PartialEq)]
pub enum GuidKind {
    Null,
    Mps,
    Acpi,
    Acpi2,
    Smbios,
    Smbios3,
    SalSystem,
    Hcdp,
    UgaIo,
    GlobalVariable,
    SimpleTextOutput,
    UvSystem,
    LinuxEfiCrash,
    LoadedImage,
    GraphicsOutput,
    Uga,
    PciIo,
    FileInfo,
    SystemResource,
    BlockIo,
    FileSystem,
    LoadFile,
    DevicePath,
    DeviceTree,
    Properties,
    Rng,
    RngAlrorithm,
    MemoryAttributes,
    ConsoleOut,
    SectionTianoCompress,
    SectionLzmaCompress,
    DxeServices,
    HobList,
    MemoryTypeInformation,
    DebugImageInfo,
    Shell,
    ShellParameters,
    SimplePointer,
    HiiDatabase,
    ComponentName2,
    Unknown
}

impl Guid {
    pub fn kind(&self) -> GuidKind {
        match *self {
            NULL_GUID => GuidKind::Null,
            MPS_TABLE_GUID => GuidKind::Mps,
            ACPI_TABLE_GUID => GuidKind::Acpi,
            ACPI_20_TABLE_GUID => GuidKind::Acpi2,
            SMBIOS_TABLE_GUID => GuidKind::Smbios,
            SMBIOS3_TABLE_GUID => GuidKind::Smbios3,
            SAL_SYSTEM_TABLE_GUID => GuidKind::SalSystem,
            HCDP_TABLE_GUID => GuidKind::Hcdp,
            UGA_IO_PROTOCOL_GUID => GuidKind::UgaIo,
            GLOBAL_VARIABLE_GUID => GuidKind::GlobalVariable,
            SIMPLE_TEXT_OUTPUT_GUID => GuidKind::SimpleTextOutput,
            UV_SYSTEM_TABLE_GUID => GuidKind::UvSystem,
            LINUX_EFI_CRASH_GUID => GuidKind::LinuxEfiCrash,
            LOADED_IMAGE_PROTOCOL_GUID => GuidKind::LoadedImage,
            GRAPHICS_OUTPUT_PROTOCOL_GUID => GuidKind::GraphicsOutput,
            UGA_PROTOCOL_GUID => GuidKind::Uga,
            PCI_IO_PROTOCOL_GUID => GuidKind::PciIo,
            FILE_INFO_ID => GuidKind::FileInfo,
            SYSTEM_RESOURCE_TABLE_GUID => GuidKind::SystemResource,
            BLOCK_IO_GUID => GuidKind::BlockIo,
            FILE_SYSTEM_GUID => GuidKind::FileSystem,
            LOAD_FILE_GUID => GuidKind::LoadFile,
            DEVICE_PATH_GUID => GuidKind::DevicePath,
            DEVICE_TREE_GUID => GuidKind::DeviceTree,
            PROPERTIES_TABLE_GUID => GuidKind::Properties,
            RNG_PROTOCOL_GUID => GuidKind::Rng,
            RNG_ALGORITHM_RAW => GuidKind::RngAlrorithm,
            MEMORY_ATTRIBUTES_TABLE_GUID => GuidKind::MemoryAttributes,
            CONSOLE_OUT_DEVICE_GUID => GuidKind::ConsoleOut,
            SECTION_TIANO_COMPRESS_GUID => GuidKind::SectionTianoCompress,
            SECTION_LZMA_COMPRESS_GUID => GuidKind::SectionLzmaCompress,
            DXE_SERVICES_TABLE_GUID => GuidKind::DxeServices,
            HOB_LIST_GUID => GuidKind::HobList,
            MEMORY_TYPE_INFORMATION_GUID => GuidKind::MemoryTypeInformation,
            DEBUG_IMAGE_INFO_TABLE_GUID => GuidKind::DebugImageInfo,
            SHELL_GUID => GuidKind::Shell,
            SHELL_PARAMETERS_GUID => GuidKind::ShellParameters,
            SIMPLE_POINTER_GUID => GuidKind::SimplePointer,
            HII_DATABASE_GUID => GuidKind::HiiDatabase,
            COMPONENT_NAME2_GUID => GuidKind::ComponentName2,
            _ => GuidKind::Unknown
        }
    }
}

impl fmt::Display for Guid {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        write!(f, "({:>08x}, {:>04x}, {:>04x}, [", self.0, self.1, self.2)?;
        for (i, b) in self.3.iter().enumerate() {
            if i > 0 {
                write!(f, ",")?;
            }
            write!(f, "{:>02x}", b)?;
        }
        write!(f, "])")?;
        Ok(())
    }
}