use minijinja::Environment;
static TEMPLATES: &[(&str, &str)] = &[
(
"java_file_header.jinja",
include_str!("templates/java_file_header.jinja"),
),
("facade_class.jinja", include_str!("templates/facade_class.jinja")),
("facade_file.jinja", include_str!("templates/facade_file.jinja")),
("native_lib.jinja", include_str!("templates/native_lib.jinja")),
("visitor_bridge.jinja", include_str!("templates/visitor_bridge.jinja")),
(
"visitor_context_layout.jinja",
include_str!("templates/visitor_context_layout.jinja"),
),
(
"visitor_context_decode.jinja",
include_str!("templates/visitor_context_decode.jinja"),
),
("trait_interface.jinja", include_str!("templates/trait_interface.jinja")),
("trait_bridge.jinja", include_str!("templates/trait_bridge.jinja")),
(
"trait_adapter_bridge.jinja",
include_str!("templates/trait_adapter_bridge.jinja"),
),
(
"convert_with_visitor.jinja",
include_str!("templates/convert_with_visitor.jinja"),
),
("handle_method.jinja", include_str!("templates/handle_method.jinja")),
(
"helper_check_last_error.jinja",
include_str!("templates/helper_check_last_error.jinja"),
),
(
"helper_object_mapper.jinja",
include_str!("templates/helper_object_mapper.jinja"),
),
("javadoc_lines.jinja", include_str!("templates/javadoc_lines.jinja")),
(
"helper_read_bytes.jinja",
include_str!("templates/helper_read_bytes.jinja"),
),
(
"helper_read_cstring.jinja",
include_str!("templates/helper_read_cstring.jinja"),
),
(
"helper_read_json_list.jinja",
include_str!("templates/helper_read_json_list.jinja"),
),
(
"helper_native_resources.jinja",
include_str!("templates/helper_native_resources.jinja"),
),
(
"native_lib_visitor_handles.jinja",
include_str!("templates/native_lib_visitor_handles.jinja"),
),
(
"native_lib_options_set_visitor_handle.jinja",
include_str!("templates/native_lib_options_set_visitor_handle.jinja"),
),
("visitor_files.jinja", include_str!("templates/visitor_files.jinja")),
("exception_class.jinja", include_str!("templates/exception_class.jinja")),
("json_util.jinja", include_str!("templates/json_util.jinja")),
(
"infrastructure_exception.jinja",
include_str!("templates/infrastructure_exception.jinja"),
),
(
"untagged_union_wrapper.jinja",
include_str!("templates/untagged_union_wrapper.jinja"),
),
(
"sealed_union_serializer.jinja",
include_str!("templates/sealed_union_serializer.jinja"),
),
(
"sealed_union_deserializer.jinja",
include_str!("templates/sealed_union_deserializer.jinja"),
),
("visit_result.jinja", include_str!("templates/visit_result.jinja")),
(
"visitor_interface.jinja",
include_str!("templates/visitor_interface.jinja"),
),
(
"bridge_unregister_method.jinja",
include_str!("templates/bridge_unregister_method.jinja"),
),
(
"ffi_main_class_header.jinja",
include_str!("templates/ffi_main_class_header.jinja"),
),
(
"ffi_main_class_footer.jinja",
include_str!("templates/ffi_main_class_footer.jinja"),
),
(
"ffi_method_signature.jinja",
include_str!("templates/ffi_method_signature.jinja"),
),
(
"ffi_try_finally_block_start.jinja",
include_str!("templates/ffi_try_finally_block_start.jinja"),
),
("ffi_imports.jinja", include_str!("templates/ffi_imports.jinja")),
("ffi_null_check.jinja", include_str!("templates/ffi_null_check.jinja")),
(
"method_handle_nullable.jinja",
include_str!("templates/method_handle_nullable.jinja"),
),
(
"method_handle_normal.jinja",
include_str!("templates/method_handle_normal.jinja"),
),
(
"method_handle_to_json.jinja",
include_str!("templates/method_handle_to_json.jinja"),
),
(
"method_handle_free.jinja",
include_str!("templates/method_handle_free.jinja"),
),
(
"method_handle_free_bytes.jinja",
include_str!("templates/method_handle_free_bytes.jinja"),
),
(
"bytes_result_call.jinja",
include_str!("templates/bytes_result_call.jinja"),
),
(
"method_handle_from_json.jinja",
include_str!("templates/method_handle_from_json.jinja"),
),
(
"method_handle_len.jinja",
include_str!("templates/method_handle_len.jinja"),
),
(
"method_handle_register.jinja",
include_str!("templates/method_handle_register.jinja"),
),
(
"method_handle_unregister.jinja",
include_str!("templates/method_handle_unregister.jinja"),
),
(
"method_handle_clear.jinja",
include_str!("templates/method_handle_clear.jinja"),
),
(
"bridge_clear_method.jinja",
include_str!("templates/bridge_clear_method.jinja"),
),
("marshal_string.jinja", include_str!("templates/marshal_string.jinja")),
("marshal_path.jinja", include_str!("templates/marshal_path.jinja")),
(
"marshal_opaque_handle.jinja",
include_str!("templates/marshal_opaque_handle.jinja"),
),
(
"marshal_named_type.jinja",
include_str!("templates/marshal_named_type.jinja"),
),
("marshal_bytes.jinja", include_str!("templates/marshal_bytes.jinja")),
(
"marshal_optional_string.jinja",
include_str!("templates/marshal_optional_string.jinja"),
),
(
"marshal_optional_path.jinja",
include_str!("templates/marshal_optional_path.jinja"),
),
(
"marshal_optional_bytes.jinja",
include_str!("templates/marshal_optional_bytes.jinja"),
),
(
"marshal_optional_opaque_handle.jinja",
include_str!("templates/marshal_optional_opaque_handle.jinja"),
),
(
"marshal_optional_named_type.jinja",
include_str!("templates/marshal_optional_named_type.jinja"),
),
(
"marshal_optional_primitive.jinja",
include_str!("templates/marshal_optional_primitive.jinja"),
),
("marshal_vec_map.jinja", include_str!("templates/marshal_vec_map.jinja")),
(
"gen_helper_methods_header.jinja",
include_str!("templates/gen_helper_methods_header.jinja"),
),
(
"ffi_typed_rethrow_catch.jinja",
include_str!("templates/ffi_typed_rethrow_catch.jinja"),
),
(
"ffi_visitor_operation_open.jinja",
include_str!("templates/ffi_visitor_operation_open.jinja"),
),
(
"ffi_alef_error_comment.jinja",
include_str!("templates/ffi_alef_error_comment.jinja"),
),
(
"ffi_return_new_instance.jinja",
include_str!("templates/ffi_return_new_instance.jinja"),
),
(
"ffi_invoke_json_ptr.jinja",
include_str!("templates/ffi_invoke_json_ptr.jinja"),
),
(
"ffi_writeback_return.jinja",
include_str!("templates/ffi_writeback_return.jinja"),
),
(
"ffi_return_read_json_list_optional.jinja",
include_str!("templates/ffi_return_read_json_list_optional.jinja"),
),
(
"ffi_invoke_primitive_result.jinja",
include_str!("templates/ffi_invoke_primitive_result.jinja"),
),
(
"ffi_async_method_signature.jinja",
include_str!("templates/ffi_async_method_signature.jinja"),
),
(
"convert_with_visitor_signature.jinja",
include_str!("templates/convert_with_visitor_signature.jinja"),
),
(
"ffi_visitor_create.jinja",
include_str!("templates/ffi_visitor_create.jinja"),
),
(
"ffi_throw_on_null.jinja",
include_str!("templates/ffi_throw_on_null.jinja"),
),
(
"ffi_options_set_visitor.jinja",
include_str!("templates/ffi_options_set_visitor.jinja"),
),
(
"ffi_options_free_conditional.jinja",
include_str!("templates/ffi_options_free_conditional.jinja"),
),
(
"ffi_result_to_json.jinja",
include_str!("templates/ffi_result_to_json.jinja"),
),
(
"ffi_visitor_cleanup.jinja",
include_str!("templates/ffi_visitor_cleanup.jinja"),
),
(
"ffi_options_free.jinja",
include_str!("templates/ffi_options_free.jinja"),
),
(
"ffi_result_ptr_call.jinja",
include_str!("templates/ffi_result_ptr_call.jinja"),
),
("ffi_invoke_void.jinja", include_str!("templates/ffi_invoke_void.jinja")),
("ffi_return_expr.jinja", include_str!("templates/ffi_return_expr.jinja")),
(
"ffi_return_optional_expr.jinja",
include_str!("templates/ffi_return_optional_expr.jinja"),
),
(
"ffi_return_mapper_read.jinja",
include_str!("templates/ffi_return_mapper_read.jinja"),
),
(
"ffi_return_mapper_read_optional.jinja",
include_str!("templates/ffi_return_mapper_read_optional.jinja"),
),
(
"ffi_return_read_json_list_plain.jinja",
include_str!("templates/ffi_return_read_json_list_plain.jinja"),
),
(
"ffi_return_new_handle.jinja",
include_str!("templates/ffi_return_new_handle.jinja"),
),
(
"ffi_return_primitive_result.jinja",
include_str!("templates/ffi_return_primitive_result.jinja"),
),
(
"stream_method_null_check.jinja",
include_str!("templates/stream_method_null_check.jinja"),
),
(
"stream_method_string_param.jinja",
include_str!("templates/stream_method_string_param.jinja"),
),
(
"stream_method_optional_string_param.jinja",
include_str!("templates/stream_method_optional_string_param.jinja"),
),
(
"stream_method_optional_named_param.jinja",
include_str!("templates/stream_method_optional_named_param.jinja"),
),
(
"stream_method_enum_param.jinja",
include_str!("templates/stream_method_enum_param.jinja"),
),
(
"stream_method_named_param.jinja",
include_str!("templates/stream_method_named_param.jinja"),
),
(
"stream_method_unsupported_param.jinja",
include_str!("templates/stream_method_unsupported_param.jinja"),
),
(
"stream_method_bytes_result.jinja",
include_str!("templates/stream_method_bytes_result.jinja"),
),
(
"stream_method_named_result.jinja",
include_str!("templates/stream_method_named_result.jinja"),
),
(
"stream_method_opaque_handle_result.jinja",
include_str!("templates/stream_method_opaque_handle_result.jinja"),
),
(
"stream_method_string_result.jinja",
include_str!("templates/stream_method_string_result.jinja"),
),
(
"stream_method_optional_string_result.jinja",
include_str!("templates/stream_method_optional_string_result.jinja"),
),
(
"stream_method_primitive_result.jinja",
include_str!("templates/stream_method_primitive_result.jinja"),
),
(
"stream_method_optional_primitive_result.jinja",
include_str!("templates/stream_method_optional_primitive_result.jinja"),
),
(
"stream_method_unit_result.jinja",
include_str!("templates/stream_method_unit_result.jinja"),
),
(
"stream_method_unsupported_return.jinja",
include_str!("templates/stream_method_unsupported_return.jinja"),
),
(
"streaming_iterator_method.jinja",
include_str!("templates/streaming_iterator_method.jinja"),
),
(
"streaming_helpers.jinja",
include_str!("templates/streaming_helpers.jinja"),
),
(
"stream_method_catch.jinja",
include_str!("templates/stream_method_catch.jinja"),
),
(
"stream_method_catch_unchecked.jinja",
include_str!("templates/stream_method_catch_unchecked.jinja"),
),
(
"registration_variant.java.jinja",
include_str!("templates/registration_variant.java.jinja"),
),
(
"service_binding_doc_entrypoint.jinja",
include_str!("templates/service_binding_doc_entrypoint.jinja"),
),
(
"service_binding_doc_registration.jinja",
include_str!("templates/service_binding_doc_registration.jinja"),
),
(
"service_class_header.jinja",
include_str!("templates/service_class_header.jinja"),
),
(
"service_constructor.jinja",
include_str!("templates/service_constructor.jinja"),
),
(
"service_registration_method.jinja",
include_str!("templates/service_registration_method.jinja"),
),
(
"service_entrypoint_method.jinja",
include_str!("templates/service_entrypoint_method.jinja"),
),
("service_close.jinja", include_str!("templates/service_close.jinja")),
(
"service_callable_interface.jinja",
include_str!("templates/service_callable_interface.jinja"),
),
(
"service_metadata_param_doc.jinja",
include_str!("templates/service_metadata_param_doc.jinja"),
),
(
"service_metadata_signature_param.jinja",
include_str!("templates/service_metadata_signature_param.jinja"),
),
(
"opaque_resource_declaration.jinja",
include_str!("templates/opaque_resource_declaration.jinja"),
),
(
"opaque_cleanup_lease.jinja",
include_str!("templates/opaque_cleanup_lease.jinja"),
),
(
"opaque_cleanup_handle.jinja",
include_str!("templates/opaque_cleanup_handle.jinja"),
),
(
"opaque_unsupported_param.jinja",
include_str!("templates/opaque_unsupported_param.jinja"),
),
(
"opaque_param_lease_assignment.jinja",
include_str!("templates/opaque_param_lease_assignment.jinja"),
),
(
"record_declaration.jinja",
include_str!("templates/record_declaration.jinja"),
),
(
"record_builder_factory.jinja",
include_str!("templates/record_builder_factory.jinja"),
),
(
"record_compact_constructor.jinja",
include_str!("templates/record_compact_constructor.jinja"),
),
(
"simple_enum_class.jinja",
include_str!("templates/simple_enum_class.jinja"),
),
(
"opaque_handle_header.jinja",
include_str!("templates/opaque_handle_header.jinja"),
),
(
"opaque_handle_close.jinja",
include_str!("templates/opaque_handle_close.jinja"),
),
(
"static_factory_return_handle.jinja",
include_str!("templates/static_factory_return_handle.jinja"),
),
(
"byte_array_serializer.jinja",
include_str!("templates/byte_array_serializer.jinja"),
),
(
"duration_millis_serializer.jinja",
include_str!("templates/duration_millis_serializer.jinja"),
),
(
"duration_millis_deserializer.jinja",
include_str!("templates/duration_millis_deserializer.jinja"),
),
(
"method_handle_presence.jinja",
include_str!("templates/method_handle_presence.jinja"),
),
(
"presence_capture.jinja",
include_str!("templates/presence_capture.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 {
let rendered = 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}"));
crate::core::keep_marker::strip_keep_markers(&rendered)
}
#[cfg(test)]
mod template_registration_tests {
use super::TEMPLATES;
use std::collections::HashSet;
use std::path::Path;
#[test]
fn every_template_file_is_registered() {
let templates_dir = Path::new(concat!(env!("CARGO_MANIFEST_DIR"), "/src/backends/java/templates"));
let registered_contents: HashSet<&str> = TEMPLATES.iter().map(|(_, content)| *content).collect();
let mut unregistered = Vec::new();
collect_unregistered(templates_dir, templates_dir, ®istered_contents, &mut unregistered);
unregistered.sort();
assert!(
unregistered.is_empty(),
"found .jinja file(s) in templates/ whose content is not registered in TEMPLATES: {unregistered:?}"
);
}
fn collect_unregistered(
root: &Path,
dir: &Path,
registered_contents: &HashSet<&str>,
unregistered: &mut Vec<String>,
) {
for entry in std::fs::read_dir(dir).expect("read templates directory") {
let entry = entry.expect("read templates directory entry");
let path = entry.path();
if path.is_dir() {
collect_unregistered(root, &path, registered_contents, unregistered);
continue;
}
if path.extension().and_then(|ext| ext.to_str()) != Some("jinja") {
continue;
}
let content = std::fs::read_to_string(&path).expect("read template file");
if !registered_contents.contains(content.as_str()) {
let relative = path
.strip_prefix(root)
.expect("template path under templates root")
.to_str()
.expect("template path is valid UTF-8")
.replace('\\', "/");
unregistered.push(relative);
}
}
}
}