|
| 1 | +use crate::error::ParserError; |
| 2 | +use std::cmp::Ordering; |
| 3 | + |
| 4 | +#[derive(Debug, Clone)] |
| 5 | +pub enum BaseValue { |
| 6 | + String(String), |
| 7 | + Int(i64), |
| 8 | + Unsigned(u64), |
| 9 | + Float(f64), |
| 10 | + Boolean(bool), |
| 11 | + Null, |
| 12 | +} |
| 13 | + |
| 14 | +impl From<i32> for BaseValue { |
| 15 | + fn from(i: i32) -> Self { |
| 16 | + Self::from(i as i64) |
| 17 | + } |
| 18 | +} |
| 19 | + |
| 20 | +impl From<Option<i32>> for BaseValue { |
| 21 | + fn from(option: Option<i32>) -> Self { |
| 22 | + match option { |
| 23 | + Some(i) => Self::from(i), |
| 24 | + None => Self::Null, |
| 25 | + } |
| 26 | + } |
| 27 | +} |
| 28 | + |
| 29 | +impl From<i64> for BaseValue { |
| 30 | + fn from(i: i64) -> Self { |
| 31 | + Self::Int(i) |
| 32 | + } |
| 33 | +} |
| 34 | + |
| 35 | +impl From<u32> for BaseValue { |
| 36 | + fn from(u: u32) -> Self { |
| 37 | + Self::from(u as u64) |
| 38 | + } |
| 39 | +} |
| 40 | + |
| 41 | +impl From<u64> for BaseValue { |
| 42 | + fn from(u: u64) -> Self { |
| 43 | + Self::Unsigned(u) |
| 44 | + } |
| 45 | +} |
| 46 | + |
| 47 | +impl From<f32> for BaseValue { |
| 48 | + fn from(f: f32) -> Self { |
| 49 | + Self::from(f as f64) |
| 50 | + } |
| 51 | +} |
| 52 | + |
| 53 | +impl From<f64> for BaseValue { |
| 54 | + fn from(f: f64) -> Self { |
| 55 | + Self::Float(f) |
| 56 | + } |
| 57 | +} |
| 58 | + |
| 59 | +impl From<bool> for BaseValue { |
| 60 | + fn from(b: bool) -> Self { |
| 61 | + Self::Boolean(b) |
| 62 | + } |
| 63 | +} |
| 64 | + |
| 65 | +impl From<String> for BaseValue { |
| 66 | + fn from(s: String) -> Self { |
| 67 | + Self::String(s) |
| 68 | + } |
| 69 | +} |
| 70 | + |
| 71 | +impl From<&str> for BaseValue { |
| 72 | + fn from(s: &str) -> Self { |
| 73 | + Self::from(s.to_string()) |
| 74 | + } |
| 75 | +} |
| 76 | + |
| 77 | +impl PartialEq for BaseValue { |
| 78 | + fn eq(&self, other: &Self) -> bool { |
| 79 | + match (self, other) { |
| 80 | + (Self::String(a), Self::String(b)) => a.eq(b), |
| 81 | + (Self::Int(a), Self::Int(b)) => a.eq(b), |
| 82 | + (Self::Unsigned(a), Self::Unsigned(b)) => a.eq(b), |
| 83 | + (Self::Float(a), Self::Float(b)) => a.eq(b), |
| 84 | + (Self::Boolean(a), Self::Boolean(b)) => a.eq(b), |
| 85 | + (Self::Null, Self::Null) => true, |
| 86 | + _ => false, |
| 87 | + } |
| 88 | + } |
| 89 | +} |
| 90 | + |
| 91 | +impl PartialOrd for BaseValue { |
| 92 | + fn partial_cmp(&self, other: &Self) -> Option<Ordering> { |
| 93 | + match (self, other) { |
| 94 | + (Self::String(a), Self::String(b)) => a.partial_cmp(b), |
| 95 | + (Self::Int(a), Self::Int(b)) => a.partial_cmp(b), |
| 96 | + (Self::Unsigned(a), Self::Unsigned(b)) => a.partial_cmp(b), |
| 97 | + (Self::Float(a), Self::Float(b)) => a.partial_cmp(b), |
| 98 | + (Self::Boolean(a), Self::Boolean(b)) => a.partial_cmp(b), |
| 99 | + (Self::Null, Self::Null) => Some(Ordering::Equal), |
| 100 | + _ => None, |
| 101 | + } |
| 102 | + } |
| 103 | +} |
| 104 | + |
| 105 | +impl BaseValue { |
| 106 | + pub(crate) fn value_to_string(&self) -> String { |
| 107 | + match self { |
| 108 | + Self::String(s) => s.to_string(), |
| 109 | + Self::Int(i) => i.to_string(), |
| 110 | + Self::Float(f) => f.to_string(), |
| 111 | + Self::Unsigned(u) => u.to_string(), |
| 112 | + Self::Boolean(b) => b.to_string(), |
| 113 | + Self::Null => "".to_string(), |
| 114 | + } |
| 115 | + } |
| 116 | +} |
| 117 | + |
| 118 | +macro_rules! number { |
| 119 | + ($n:expr) => { |
| 120 | + if let Some(i) = $n.as_i64() { |
| 121 | + Ok(Self::Int(i)) |
| 122 | + } else if let Some(u) = $n.as_u64() { |
| 123 | + Ok(Self::Unsigned(u)) |
| 124 | + } else { |
| 125 | + Ok(Self::Float( |
| 126 | + $n.as_f64().expect("Number is neither Int nor Unsigned"), |
| 127 | + )) |
| 128 | + } |
| 129 | + }; |
| 130 | +} |
| 131 | + |
| 132 | +#[cfg(feature = "serde_json")] |
| 133 | +impl TryFrom<serde_json::Value> for BaseValue { |
| 134 | + type Error = crate::error::JSONError; |
| 135 | + |
| 136 | + fn try_from(value: serde_json::Value) -> Result<Self, Self::Error> { |
| 137 | + match value { |
| 138 | + serde_json::Value::String(s) => Ok(Self::String(s)), |
| 139 | + serde_json::Value::Number(n) => number!(n), |
| 140 | + serde_json::Value::Bool(b) => Ok(Self::Boolean(b)), |
| 141 | + serde_json::Value::Null => Ok(Self::Null), |
| 142 | + _ => Err(Self::Error::InvalidFieldValue(format!("{:?}", value))), |
| 143 | + } |
| 144 | + } |
| 145 | +} |
| 146 | + |
| 147 | +impl TryFrom<serde_yml::Value> for BaseValue { |
| 148 | + type Error = ParserError; |
| 149 | + |
| 150 | + fn try_from(value: serde_yml::Value) -> Result<Self, Self::Error> { |
| 151 | + match value { |
| 152 | + serde_yml::Value::Bool(b) => Ok(Self::Boolean(b)), |
| 153 | + serde_yml::Value::Number(n) => number!(n), |
| 154 | + serde_yml::Value::String(s) => Ok(Self::String(s)), |
| 155 | + serde_yml::Value::Null => Ok(Self::Null), |
| 156 | + _ => Err(ParserError::InvalidYAML(format!("{:?}", value))), |
| 157 | + } |
| 158 | + } |
| 159 | +} |
| 160 | + |
| 161 | +#[cfg(test)] |
| 162 | +mod tests { |
| 163 | + use super::*; |
| 164 | + |
| 165 | + #[allow(clippy::neg_cmp_op_on_partial_ord)] |
| 166 | + #[test] |
| 167 | + fn test_field_value_type() { |
| 168 | + assert_eq!(BaseValue::from("1"), BaseValue::String("1".to_string())); |
| 169 | + assert_eq!(BaseValue::from("2"), BaseValue::String("2".to_string())); |
| 170 | + assert_eq!(BaseValue::from(Some(42)), BaseValue::Int(42)); |
| 171 | + assert_eq!(BaseValue::from(2u32), BaseValue::Unsigned(2)); |
| 172 | + assert_eq!(BaseValue::from(3f32), BaseValue::Float(3.0)); |
| 173 | + assert_ne!(BaseValue::from("1"), BaseValue::from("3")); |
| 174 | + assert_ne!(BaseValue::from("2"), BaseValue::Int(2_i64)); |
| 175 | + assert_ne!(BaseValue::Int(3), BaseValue::Float(3.0)); |
| 176 | + |
| 177 | + assert!(BaseValue::Int(10) < BaseValue::Int(20)); |
| 178 | + assert!(!(BaseValue::Int(20) < BaseValue::from("30"))); |
| 179 | + assert!(!(BaseValue::Int(20) < BaseValue::Float(30.0))); |
| 180 | + assert!(!(BaseValue::Int(34) < BaseValue::Float(30.0))); |
| 181 | + assert!(BaseValue::Boolean(false) < BaseValue::Boolean(true)); |
| 182 | + assert!(BaseValue::Int(10) >= BaseValue::Int(10)); |
| 183 | + assert!(BaseValue::Int(10) > BaseValue::Int(4)); |
| 184 | + assert!(BaseValue::Int(10) >= BaseValue::Int(4)); |
| 185 | + assert!( |
| 186 | + BaseValue::from(18446744073709551615_u64) > BaseValue::from(18446744073709551614_u64) |
| 187 | + ); |
| 188 | + assert_eq!( |
| 189 | + BaseValue::from(18446744073709551615_u64), |
| 190 | + BaseValue::from(18446744073709551615_u64) |
| 191 | + ); |
| 192 | + |
| 193 | + let yaml = r#" |
| 194 | + EventID: 18446744073709551615 |
| 195 | +"#; |
| 196 | + let v: serde_yml::Value = serde_yml::from_str(yaml).unwrap(); |
| 197 | + let base_value = BaseValue::try_from(v["EventID"].clone()).unwrap(); |
| 198 | + assert_eq!(base_value, BaseValue::Unsigned(18446744073709551615)); |
| 199 | + } |
| 200 | +} |
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