| 1 | use crate::{Constant, IntOrRange, PropertyKind}; |
| 2 | |
| 3 | pub type Bool = bool; |
| 4 | pub type Int = u32; |
| 5 | pub type Double = f64; |
| 6 | |
| 7 | #[derive (Copy, Clone, Debug, PartialEq, Eq)] |
| 8 | #[cfg_attr (feature = "serde" , derive(serde::Serialize, serde::Deserialize))] |
| 9 | pub enum ListOp { |
| 10 | Times, |
| 11 | Divide, |
| 12 | Or, |
| 13 | And, |
| 14 | Plus, |
| 15 | Minus, |
| 16 | } |
| 17 | |
| 18 | parse_enum! { |
| 19 | ListOp, |
| 20 | (Times, "times" ), |
| 21 | (Divide, "divide" ), |
| 22 | (Or, "or" ), |
| 23 | (And, "and" ), |
| 24 | (Plus, "plus" ), |
| 25 | (Minus, "minus" ), |
| 26 | } |
| 27 | |
| 28 | #[derive (Copy, Clone, Debug, PartialEq, Eq)] |
| 29 | #[cfg_attr (feature = "serde" , derive(serde::Serialize, serde::Deserialize))] |
| 30 | pub enum UnaryOp { |
| 31 | Not, |
| 32 | |
| 33 | // these operator not exists in document page but exists in dtd |
| 34 | Cecil, |
| 35 | Floor, |
| 36 | Round, |
| 37 | Trunc, |
| 38 | } |
| 39 | |
| 40 | parse_enum! { |
| 41 | UnaryOp, |
| 42 | (Not, "not" ), |
| 43 | (Cecil, "cecil" ), |
| 44 | (Floor, "floor" ), |
| 45 | (Round, "round" ), |
| 46 | (Trunc, "trunc" ), |
| 47 | } |
| 48 | |
| 49 | #[derive (Copy, Clone, Debug, PartialEq, Eq)] |
| 50 | #[cfg_attr (feature = "serde" , derive(serde::Serialize, serde::Deserialize))] |
| 51 | pub enum BinaryOp { |
| 52 | Eq, |
| 53 | NotEq, |
| 54 | Less, |
| 55 | LessEq, |
| 56 | More, |
| 57 | MoreEq, |
| 58 | Contains, |
| 59 | NotContains, |
| 60 | } |
| 61 | |
| 62 | parse_enum! { |
| 63 | BinaryOp, |
| 64 | (Eq, "eq" ), |
| 65 | (NotEq, "not_eq" ), |
| 66 | (Less, "less" ), |
| 67 | (LessEq, "less_eq" ), |
| 68 | (More, "more" ), |
| 69 | (MoreEq, "more_eq" ), |
| 70 | (Contains, "contains" ), |
| 71 | (NotContains, "not_contains" ), |
| 72 | } |
| 73 | |
| 74 | #[derive (Copy, Clone, Debug, PartialEq, Eq)] |
| 75 | #[cfg_attr (feature = "serde" , derive(serde::Serialize, serde::Deserialize))] |
| 76 | pub enum TernaryOp { |
| 77 | If, |
| 78 | } |
| 79 | |
| 80 | parse_enum! { |
| 81 | TernaryOp, |
| 82 | (If, "if" ), |
| 83 | } |
| 84 | |
| 85 | #[derive (Clone, Debug, PartialEq)] |
| 86 | #[cfg_attr (feature = "serde" , derive(serde::Serialize, serde::Deserialize))] |
| 87 | pub enum Expression { |
| 88 | Simple(Value), |
| 89 | Unary(UnaryOp, Box<Self>), |
| 90 | Binary(BinaryOp, Box<[Self; 2]>), |
| 91 | Ternary(TernaryOp, Box<[Self; 3]>), |
| 92 | List(ListOp, Vec<Self>), |
| 93 | Matrix(Box<[Self; 4]>), |
| 94 | } |
| 95 | |
| 96 | #[derive (Clone, Copy, Debug, PartialEq, Eq)] |
| 97 | #[cfg_attr (feature = "serde" , derive(serde::Serialize, serde::Deserialize))] |
| 98 | pub enum PropertyTarget { |
| 99 | Default, |
| 100 | Font, |
| 101 | Pattern, |
| 102 | } |
| 103 | |
| 104 | parse_enum! { |
| 105 | PropertyTarget, |
| 106 | (Default, "default" ), |
| 107 | (Font, "font" ), |
| 108 | (Pattern, "pattern" ), |
| 109 | } |
| 110 | |
| 111 | impl Default for PropertyTarget { |
| 112 | fn default() -> Self { |
| 113 | PropertyTarget::Default |
| 114 | } |
| 115 | } |
| 116 | |
| 117 | pub type CharSet = Vec<IntOrRange>; |
| 118 | |
| 119 | /// Runtime typed fontconfig value |
| 120 | #[derive (Clone, Debug, PartialEq)] |
| 121 | #[cfg_attr (feature = "serde" , derive(serde::Serialize, serde::Deserialize))] |
| 122 | pub enum Value { |
| 123 | /// `<int>0</int>` |
| 124 | Int(Int), |
| 125 | /// `<double>1.5</double>` |
| 126 | Double(Double), |
| 127 | /// `<string>str</string>` |
| 128 | String(String), |
| 129 | /// `<const>hintslight</const>` |
| 130 | Constant(Constant), |
| 131 | /// `<bool>false</bool>` |
| 132 | Bool(Bool), |
| 133 | /// This element holds the two [`Value::Int`] elements of a range representation. |
| 134 | Range(Int, Int), |
| 135 | /// This element holds at least one [`Value::String`] element of a RFC-3066-style languages or more. |
| 136 | LangSet(String), |
| 137 | /// This element holds at least one [`Value::Int`] element of an Unicode code point or more. |
| 138 | CharSet(CharSet), |
| 139 | /// `<name target="font">pixelsize</name>` |
| 140 | Property(PropertyTarget, PropertyKind), |
| 141 | } |
| 142 | |
| 143 | macro_rules! from_value { |
| 144 | ($($name:ident,)+) => { |
| 145 | $( |
| 146 | impl From<$name> for Value { |
| 147 | fn from(v: $name) -> Value { |
| 148 | Value::$name(v) |
| 149 | } |
| 150 | } |
| 151 | )+ |
| 152 | }; |
| 153 | } |
| 154 | |
| 155 | from_value! { |
| 156 | Int, |
| 157 | Bool, |
| 158 | Double, |
| 159 | Constant, |
| 160 | CharSet, |
| 161 | } |
| 162 | |
| 163 | impl<'a> From<&'a str> for Value { |
| 164 | fn from(s: &'a str) -> Self { |
| 165 | Value::String(s.into()) |
| 166 | } |
| 167 | } |
| 168 | |
| 169 | impl From<String> for Value { |
| 170 | fn from(s: String) -> Self { |
| 171 | Value::String(s) |
| 172 | } |
| 173 | } |
| 174 | |
| 175 | impl From<(PropertyTarget, PropertyKind)> for Value { |
| 176 | fn from((target: PropertyTarget, kind: PropertyKind): (PropertyTarget, PropertyKind)) -> Self { |
| 177 | Value::Property(target, kind) |
| 178 | } |
| 179 | } |
| 180 | |
| 181 | impl<V> From<V> for Expression |
| 182 | where |
| 183 | Value: From<V>, |
| 184 | { |
| 185 | fn from(v: V) -> Self { |
| 186 | Expression::Simple(Value::from(v)) |
| 187 | } |
| 188 | } |
| 189 | |