ssvc 0.1.0

Implementation of the SSVC specification in Rust
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52

use typify::{TypeSpace, TypeSpaceSettings};
use std::fs;
use std::path::Path;

fn main() -> Result<(), Box<dyn std::error::Error>> {
    println!("cargo:rerun-if-changed=build.rs");

    // Tell Cargo to rerun this build script if the schema file changes
    let schema_targets = [
        (
            "assets/SelectionList_2_0_0.schema.json",
            "src/generated/ssvc/selection_list.rs",
        ),
        (
            "assets/DecisionPoint_2_0_0.schema.json",
            "src/generated/ssvc/decision_point.rs",
        ),
    ];

    for (file_path, target_folder) in schema_targets {
        println!("cargo:rerun-if-changed={file_path}");
        build_from_schema(file_path, target_folder)?;
    }

    Ok(())
}

fn build_from_schema(
    file_path: &str,
    target_path: &str,
) -> Result<(), Box<dyn std::error::Error>> {
    // Open the file and deserialize the JSON schema
    let file = std::fs::File::open(file_path)?;
    let schema = serde_json::from_reader(file)?;

    let mut type_space = TypeSpace::new(
        TypeSpaceSettings::default()
            .with_struct_builder(true)
            .with_derive("PartialEq".into())
            .with_derive("Eq".into()),
    );
    type_space.add_root_schema(schema)?;

    let syn_file = syn::parse2::<syn::File>(type_space.to_stream())?;
    let content = prettyplease::unparse(&syn_file);

    let out_file = Path::new(&target_path).to_path_buf();
    fs::create_dir_all(&out_file.parent().unwrap())?;
    fs::write(out_file, content)?;

    Ok(())
}