alef 0.22.33

Opinionated polyglot binding generator for Rust libraries
Documentation 
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use minijinja::Environment;

static TEMPLATES: &[(&str, &str)] = &[
    (
        "opaque_struct.rs.jinja",
        include_str!("templates/opaque_struct.rs.jinja"),
    ),
    ("struct_def.rs.jinja", include_str!("templates/struct_def.rs.jinja")),
    ("enum_def.rs.jinja", include_str!("templates/enum_def.rs.jinja")),
    ("enum_magnus.rs.jinja", include_str!("templates/enum_magnus.rs.jinja")),
    (
        "visitor_bridge_struct.rs.jinja",
        include_str!("templates/visitor_bridge_struct.rs.jinja"),
    ),
    (
        "visitor_method.rs.jinja",
        include_str!("templates/visitor_method.rs.jinja"),
    ),
    (
        "bridge_struct_impl.rs.jinja",
        include_str!("templates/bridge_struct_impl.rs.jinja"),
    ),
    (
        "visitor_bridge_wrapper.rs.jinja",
        include_str!("templates/visitor_bridge_wrapper.rs.jinja"),
    ),
    (
        "visitor_bridge.rs.jinja",
        include_str!("templates/visitor_bridge.rs.jinja"),
    ),
    (
        "visitor_method.rs.jinja",
        include_str!("templates/visitor_method.rs.jinja"),
    ),
    (
        "main_rb_wrapper.rb.jinja",
        include_str!("templates/main_rb_wrapper.rb.jinja"),
    ),
    (
        "native_rb_wrapper.rb.jinja",
        include_str!("templates/native_rb_wrapper.rb.jinja"),
    ),
    (
        "version_rb_wrapper.rb.jinja",
        include_str!("templates/version_rb_wrapper.rb.jinja"),
    ),
    (
        "sync_method_body.rs.jinja",
        include_str!("templates/sync_method_body.rs.jinja"),
    ),
    (
        "trait_bridge_async_method_body.rs.jinja",
        include_str!("templates/trait_bridge_async_method_body.rs.jinja"),
    ),
    (
        "trait_bridge_constructor.rs.jinja",
        include_str!("templates/trait_bridge_constructor.rs.jinja"),
    ),
    (
        "trait_bridge_registration_fn.rs.jinja",
        include_str!("templates/trait_bridge_registration_fn.rs.jinja"),
    ),
    (
        "trait_bridge_return_conversion.rs.jinja",
        include_str!("templates/trait_bridge_return_conversion.rs.jinja"),
    ),
    (
        "function_scan_args_call.rs.jinja",
        include_str!("templates/function_scan_args_call.rs.jinja"),
    ),
    (
        "function_scan_args_destructure.rs.jinja",
        include_str!("templates/function_scan_args_destructure.rs.jinja"),
    ),
    (
        "function_optional_string_scan_arg.rs.jinja",
        include_str!("templates/function_optional_string_scan_arg.rs.jinja"),
    ),
    (
        "function_named_binding.rs.jinja",
        include_str!("templates/function_named_binding.rs.jinja"),
    ),
    (
        "function_async_body.rs.jinja",
        include_str!("templates/function_async_body.rs.jinja"),
    ),
    (
        "function_result_body.rs.jinja",
        include_str!("templates/function_result_body.rs.jinja"),
    ),
    (
        "function_variadic_ok_body.rs.jinja",
        include_str!("templates/function_variadic_ok_body.rs.jinja"),
    ),
    (
        "function_wrapper.rs.jinja",
        include_str!("templates/function_wrapper.rs.jinja"),
    ),
    (
        "function_serde_named_binding.rs.jinja",
        include_str!("templates/function_serde_named_binding.rs.jinja"),
    ),
    (
        "function_vec_refs_binding.rs.jinja",
        include_str!("templates/function_vec_refs_binding.rs.jinja"),
    ),
    ("rbs_doc_block.jinja", include_str!("templates/rbs_doc_block.jinja")),
    (
        "function_sanitized_vec_binding.rs.jinja",
        include_str!("templates/function_sanitized_vec_binding.rs.jinja"),
    ),
    (
        "function_named_vec_binding.rs.jinja",
        include_str!("templates/function_named_vec_binding.rs.jinja"),
    ),
    (
        "function_unimplemented_error.rs.jinja",
        include_str!("templates/function_unimplemented_error.rs.jinja"),
    ),
    (
        "function_unimplemented_string.rs.jinja",
        include_str!("templates/function_unimplemented_string.rs.jinja"),
    ),
    (
        "function_unimplemented_panic.rs.jinja",
        include_str!("templates/function_unimplemented_panic.rs.jinja"),
    ),
    (
        "module_define.rs.jinja",
        include_str!("templates/module_define.rs.jinja"),
    ),
    (
        "module_class_define.rs.jinja",
        include_str!("templates/module_class_define.rs.jinja"),
    ),
    (
        "module_function_register.rs.jinja",
        include_str!("templates/module_function_register.rs.jinja"),
    ),
    (
        "module_class_singleton_method_register.rs.jinja",
        include_str!("templates/module_class_singleton_method_register.rs.jinja"),
    ),
    (
        "module_class_method_register.rs.jinja",
        include_str!("templates/module_class_method_register.rs.jinja"),
    ),
];

pub(crate) fn make_env() -> Environment<'static> {
    let mut env = Environment::new();
    env.set_trim_blocks(true);
    env.set_lstrip_blocks(true);
    env.set_keep_trailing_newline(true);
    for (name, src) in TEMPLATES {
        env.add_template(name, src).expect("built-in template is valid");
    }
    env
}

pub(crate) fn render(template_name: &str, ctx: minijinja::Value) -> String {
    make_env()
        .get_template(template_name)
        .unwrap_or_else(|_| panic!("template {template_name} not found"))
        .render(ctx)
        .unwrap_or_else(|e| panic!("template {template_name} failed to render: {e}"))
}