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use std::fmt; use try_from::TryFrom; #[repr(u8)] #[derive(Clone, Debug, Eq, PartialEq, Ord, PartialOrd, Hash)] #[cfg_attr(feature = "serde", derive(Serialize, Deserialize))] #[cfg_attr( feature = "serde", serde(rename_all = "lowercase", deny_unknown_fields) )] pub enum DataType { Boolean = 0x00, Int8 = 0x01, Int16 = 0x02, Int32 = 0x03, Int64 = 0x04, UInt8 = 0x05, UInt16 = 0x06, UInt32 = 0x07, UInt64 = 0x08, ParameterMask = 0x09, Invalid = 0xFF, } pub trait HasDataType { fn data_type(&self) -> DataType; } impl TryFrom<u8> for DataType { type Err = std::io::Error; fn try_from(value: u8) -> std::io::Result<Self> { use DataType::*; match value { 0x00 => Ok(Boolean), 0x01 => Ok(Int8), 0x02 => Ok(Int16), 0x03 => Ok(Int32), 0x04 => Ok(Int64), 0x05 => Ok(UInt8), 0x06 => Ok(UInt16), 0x07 => Ok(UInt32), 0x08 => Ok(UInt64), 0x09 => Ok(ParameterMask), _ => Err(std::io::Error::new( std::io::ErrorKind::InvalidData, format!("Invalid DataType enum value {}", value), )), } } } impl fmt::Display for DataType { fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { write!(f, "{:?}", self) } }