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| 1 | +//! Defines a visitor for function arguments of the `LAD` format. |
| 2 | +
|
| 3 | +use ladfile::ArgumentVisitor; |
| 4 | + |
| 5 | +use crate::markdown::MarkdownBuilder; |
| 6 | + |
| 7 | +pub(crate) struct MarkdownArgumentVisitor<'a> { |
| 8 | + ladfile: &'a ladfile::LadFile, |
| 9 | + buffer: MarkdownBuilder, |
| 10 | +} |
| 11 | +impl<'a> MarkdownArgumentVisitor<'a> { |
| 12 | + pub fn new(ladfile: &'a ladfile::LadFile) -> Self { |
| 13 | + let mut builder = MarkdownBuilder::new(); |
| 14 | + builder.tight_inline().set_escape_mode(false); |
| 15 | + Self { |
| 16 | + ladfile, |
| 17 | + buffer: builder, |
| 18 | + } |
| 19 | + } |
| 20 | + |
| 21 | + pub fn build(mut self) -> String { |
| 22 | + self.buffer.build() |
| 23 | + } |
| 24 | +} |
| 25 | + |
| 26 | +impl ArgumentVisitor for MarkdownArgumentVisitor<'_> { |
| 27 | + fn visit_lad_type_id(&mut self, type_id: &ladfile::LadTypeId) { |
| 28 | + let mut buffer = String::new(); |
| 29 | + |
| 30 | + // Write identifier<Generic1TypeIdentifier, Generic2TypeIdentifier> |
| 31 | + buffer.push_str(&self.ladfile.get_type_identifier(type_id)); |
| 32 | + if let Some(generics) = self.ladfile.get_type_generics(type_id) { |
| 33 | + buffer.push('<'); |
| 34 | + for (i, generic) in generics.iter().enumerate() { |
| 35 | + if i > 0 { |
| 36 | + buffer.push_str(", "); |
| 37 | + } |
| 38 | + buffer.push_str(&self.ladfile.get_type_identifier(&generic.type_id)); |
| 39 | + } |
| 40 | + buffer.push('>'); |
| 41 | + } |
| 42 | + |
| 43 | + self.buffer.text(buffer); |
| 44 | + } |
| 45 | + |
| 46 | + fn walk_option(&mut self, inner: &ladfile::LadArgumentKind) { |
| 47 | + // Write Optional<inner> |
| 48 | + self.buffer.text("Optional<"); |
| 49 | + self.visit(inner); |
| 50 | + self.buffer.text(">"); |
| 51 | + } |
| 52 | + |
| 53 | + fn walk_vec(&mut self, inner: &ladfile::LadArgumentKind) { |
| 54 | + // Write Vec<inner> |
| 55 | + self.buffer.text("Vec<"); |
| 56 | + self.visit(inner); |
| 57 | + self.buffer.text(">"); |
| 58 | + } |
| 59 | + |
| 60 | + fn walk_hash_map(&mut self, key: &ladfile::LadArgumentKind, value: &ladfile::LadArgumentKind) { |
| 61 | + // Write HashMap<key, value> |
| 62 | + self.buffer.text("HashMap<"); |
| 63 | + self.visit(key); |
| 64 | + self.buffer.text(", "); |
| 65 | + self.visit(value); |
| 66 | + self.buffer.text(">"); |
| 67 | + } |
| 68 | + |
| 69 | + fn walk_tuple(&mut self, inner: &[ladfile::LadArgumentKind]) { |
| 70 | + // Write (inner1, inner2, ...) |
| 71 | + self.buffer.text("("); |
| 72 | + for (idx, arg) in inner.iter().enumerate() { |
| 73 | + self.visit(arg); |
| 74 | + if idx < inner.len() - 1 { |
| 75 | + self.buffer.text(", "); |
| 76 | + } |
| 77 | + } |
| 78 | + self.buffer.text(")"); |
| 79 | + } |
| 80 | + |
| 81 | + fn walk_array(&mut self, inner: &ladfile::LadArgumentKind, size: usize) { |
| 82 | + // Write [inner; size] |
| 83 | + self.buffer.text("["); |
| 84 | + self.visit(inner); |
| 85 | + self.buffer.text("; "); |
| 86 | + self.buffer.text(size.to_string()); |
| 87 | + self.buffer.text("]"); |
| 88 | + } |
| 89 | +} |
| 90 | + |
| 91 | +#[cfg(test)] |
| 92 | +mod test { |
| 93 | + use ladfile::LadArgumentKind; |
| 94 | + |
| 95 | + use super::*; |
| 96 | + |
| 97 | + fn setup_ladfile() -> ladfile::LadFile { |
| 98 | + // load test file from ../../../ladfile_builder/test_assets/ |
| 99 | + let ladfile = ladfile::EXAMPLE_LADFILE; |
| 100 | + ladfile::parse_lad_file(ladfile).unwrap() |
| 101 | + } |
| 102 | + |
| 103 | + #[test] |
| 104 | + fn test_visit_type_id() { |
| 105 | + let ladfile = setup_ladfile(); |
| 106 | + |
| 107 | + let first_type_id = ladfile.types.first().unwrap().0; |
| 108 | + let mut visitor = MarkdownArgumentVisitor::new(&ladfile); |
| 109 | + |
| 110 | + visitor.visit_lad_type_id(first_type_id); |
| 111 | + assert_eq!(visitor.buffer.build(), "EnumType"); |
| 112 | + |
| 113 | + visitor.buffer.clear(); |
| 114 | + |
| 115 | + let second_type_id = ladfile.types.iter().nth(1).unwrap().0; |
| 116 | + visitor.visit_lad_type_id(second_type_id); |
| 117 | + assert_eq!(visitor.buffer.build(), "StructType<usize>"); |
| 118 | + } |
| 119 | + |
| 120 | + #[test] |
| 121 | + fn test_visit_ref() { |
| 122 | + let ladfile = setup_ladfile(); |
| 123 | + |
| 124 | + let first_type_id = ladfile.types.first().unwrap().0; |
| 125 | + let mut visitor = MarkdownArgumentVisitor::new(&ladfile); |
| 126 | + |
| 127 | + visitor.visit(&LadArgumentKind::Ref(first_type_id.clone())); |
| 128 | + assert_eq!(visitor.buffer.build(), "EnumType"); |
| 129 | + } |
| 130 | + |
| 131 | + #[test] |
| 132 | + fn test_visit_mut() { |
| 133 | + let ladfile = setup_ladfile(); |
| 134 | + |
| 135 | + let first_type_id = ladfile.types.first().unwrap().0; |
| 136 | + let mut visitor = MarkdownArgumentVisitor::new(&ladfile); |
| 137 | + |
| 138 | + visitor.visit(&LadArgumentKind::Mut(first_type_id.clone())); |
| 139 | + assert_eq!(visitor.buffer.build(), "EnumType"); |
| 140 | + } |
| 141 | + |
| 142 | + #[test] |
| 143 | + fn test_visit_val() { |
| 144 | + let ladfile = setup_ladfile(); |
| 145 | + |
| 146 | + let first_type_id = ladfile.types.first().unwrap().0; |
| 147 | + let mut visitor = MarkdownArgumentVisitor::new(&ladfile); |
| 148 | + |
| 149 | + visitor.visit(&LadArgumentKind::Val(first_type_id.clone())); |
| 150 | + assert_eq!(visitor.buffer.build(), "EnumType"); |
| 151 | + } |
| 152 | + |
| 153 | + #[test] |
| 154 | + fn test_visit_option() { |
| 155 | + let ladfile = setup_ladfile(); |
| 156 | + |
| 157 | + let mut visitor = MarkdownArgumentVisitor::new(&ladfile); |
| 158 | + |
| 159 | + visitor.visit(&LadArgumentKind::Option(Box::new( |
| 160 | + LadArgumentKind::Primitive(ladfile::LadBMSPrimitiveKind::Bool), |
| 161 | + ))); |
| 162 | + assert_eq!(visitor.buffer.build(), "Optional<bool>"); |
| 163 | + } |
| 164 | + |
| 165 | + #[test] |
| 166 | + fn test_visit_vec() { |
| 167 | + let ladfile = setup_ladfile(); |
| 168 | + |
| 169 | + let mut visitor = MarkdownArgumentVisitor::new(&ladfile); |
| 170 | + |
| 171 | + visitor.visit(&LadArgumentKind::Vec(Box::new(LadArgumentKind::Primitive( |
| 172 | + ladfile::LadBMSPrimitiveKind::Bool, |
| 173 | + )))); |
| 174 | + assert_eq!(visitor.buffer.build(), "Vec<bool>"); |
| 175 | + } |
| 176 | + |
| 177 | + #[test] |
| 178 | + fn test_visit_hash_map() { |
| 179 | + let ladfile = setup_ladfile(); |
| 180 | + |
| 181 | + let mut visitor = MarkdownArgumentVisitor::new(&ladfile); |
| 182 | + |
| 183 | + visitor.visit(&LadArgumentKind::HashMap( |
| 184 | + Box::new(LadArgumentKind::Primitive( |
| 185 | + ladfile::LadBMSPrimitiveKind::Bool, |
| 186 | + )), |
| 187 | + Box::new(LadArgumentKind::Primitive( |
| 188 | + ladfile::LadBMSPrimitiveKind::String, |
| 189 | + )), |
| 190 | + )); |
| 191 | + assert_eq!(visitor.buffer.build(), "HashMap<bool, String>"); |
| 192 | + } |
| 193 | + |
| 194 | + #[test] |
| 195 | + fn test_visit_tuple() { |
| 196 | + let ladfile = setup_ladfile(); |
| 197 | + |
| 198 | + let mut visitor = MarkdownArgumentVisitor::new(&ladfile); |
| 199 | + |
| 200 | + visitor.visit(&LadArgumentKind::Tuple(vec![ |
| 201 | + LadArgumentKind::Primitive(ladfile::LadBMSPrimitiveKind::Bool), |
| 202 | + LadArgumentKind::Primitive(ladfile::LadBMSPrimitiveKind::String), |
| 203 | + ])); |
| 204 | + assert_eq!(visitor.buffer.build(), "(bool, String)"); |
| 205 | + } |
| 206 | + |
| 207 | + #[test] |
| 208 | + fn test_visit_array() { |
| 209 | + let ladfile = setup_ladfile(); |
| 210 | + |
| 211 | + let mut visitor = MarkdownArgumentVisitor::new(&ladfile); |
| 212 | + |
| 213 | + visitor.visit(&LadArgumentKind::Array( |
| 214 | + Box::new(LadArgumentKind::Primitive( |
| 215 | + ladfile::LadBMSPrimitiveKind::Bool, |
| 216 | + )), |
| 217 | + 5, |
| 218 | + )); |
| 219 | + assert_eq!(visitor.buffer.build(), "[bool; 5]"); |
| 220 | + } |
| 221 | + |
| 222 | + #[test] |
| 223 | + fn test_visit_unknown() { |
| 224 | + let ladfile = setup_ladfile(); |
| 225 | + |
| 226 | + let mut visitor = MarkdownArgumentVisitor::new(&ladfile); |
| 227 | + |
| 228 | + let first_type_id = ladfile.types.first().unwrap().0; |
| 229 | + |
| 230 | + visitor.visit(&LadArgumentKind::Unknown(first_type_id.clone())); |
| 231 | + assert_eq!(visitor.buffer.build(), "EnumType"); |
| 232 | + } |
| 233 | +} |
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