feat(rsjudge-grpc): ✨ update protobuf for more flexible language decl…

…aration

crates/rsjudge-grpc/proto/judge/v1/judge.proto

@@ -143,3 +143,22 @@ enum JudgeResult {
   // The judge result is Output Limit Exceeded (OLE).
   JUDGE_RESULT_OUTPUT_LIMIT_EXCEEDED = 8;
 }
+
+// Represents a language supported by the judge system.
+message Language {
+  // The name of the language, should be identical to one of registered languages.
+  string name = 1;
+  // Additional configuration for the language.
+  map<string, ConfigType> configs = 4;
+}
+
+// Represents type of the configuration item.
+message ConfigType {
+  // The type of the configuration item.
+  oneof config_type {
+    // The configuration item is a boolean.
+    bool boolean = 1;
+    // The configuration item is an enum. The value must be one of the specified variants.
+    string enum = 2;
+  }
+}

crates/rsjudge-grpc/proto/register/v1/register.proto

@@ -2,6 +2,8 @@ syntax = "proto3";
 
 package register.v1;
 
+import "google/protobuf/empty.proto";
+
 // The register service definition.
 service RegisterService {
   // Register a new rsjudge instance.
@@ -11,21 +13,40 @@ service RegisterService {
 // Request to register a new rsjudge instance.
 message RegisterRequest {
   // List of languages supported by the rsjudge instance.
-  repeated Language languages = 1;
+  repeated LanguageDecl languages = 1;
   // The address of the backend server.
   int32 port = 2;
   // System information. (maybe in JSON)
   string system_info = 3;
 }
 
 // A language supported by the rsjudge instance.
-message Language {
+message LanguageDecl {
   // The name of the language.
+  //
+  // Should match one on [GitHub Linguist](https://github.com/github-linguist/linguist/blob/master/lib/linguist/languages.yml) if presented.
   string name = 1;
-  // The highlight scheme of the language.
-  string language_base = 2;
-  // The file extension of the language.
-  optional string info = 3;
+  // The highlight scheme of the language, should match one of [CodeMirror modes](https://github.com/codemirror/codemirror5/tree/master/mode).
+  string highlight_scheme = 2;
+  // Optional configurations for the language.
+  map<string, ConfigTypeDecl> configs = 4;
+}
+
+// Configuration for a language.
+message ConfigTypeDecl {
+  // Type of value for the configuration.
+  oneof config_type {
+    // Value is a boolean.
+    google.protobuf.Empty boolean = 1;
+    // Value is an enum.
+    EnumDecl enum = 2;
+  }
+}
+
+// Message for an enum configuration.
+message EnumDecl {
+  // Variants of the enum.
+  repeated string variants = 1;
 }
 
 // Response to a new registered rsjudge instance.