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41 lines
1.2 KiB
Rust
41 lines
1.2 KiB
Rust
use proc_macro::TokenStream;
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use quote::quote;
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use serde::Deserialize;
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#[derive(Deserialize)]
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struct ExerciseInfo {
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name: String,
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dir: String,
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}
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#[derive(Deserialize)]
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struct InfoFile {
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exercises: Vec<ExerciseInfo>,
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}
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#[proc_macro]
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pub fn include_files(_: TokenStream) -> TokenStream {
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let exercises = toml_edit::de::from_str::<InfoFile>(include_str!("../info.toml"))
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.expect("Failed to parse `info.toml`")
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.exercises;
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let exercise_files = exercises
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.iter()
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.map(|exercise| format!("../exercises/{}/{}.rs", exercise.dir, exercise.name));
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let solution_files = exercises
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.iter()
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.map(|exercise| format!("../solutions/{}/{}.rs", exercise.dir, exercise.name));
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let dirs = exercises.iter().map(|exercise| &exercise.dir);
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let readmes = exercises
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.iter()
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.map(|exercise| format!("../exercises/{}/README.md", exercise.dir));
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quote! {
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EmbeddedFiles {
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exercise_files: &[#(ExerciseFiles { exercise: include_bytes!(#exercise_files), solution: include_bytes!(#solution_files) }),*],
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exercise_dirs: &[#(ExerciseDir { name: #dirs, readme: include_bytes!(#readmes) }),*]
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}
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}
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.into()
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}
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