core: add lang.isBinary option

packages/hydrooj/src/handler/problem.ts

@@ -483,8 +483,7 @@ export class ProblemSubmitHandler extends ProblemDetailHandler {
             if (!file || file.size === 0) throw new ValidationError('code');
             const sizeLimit = config.type === 'submit_answer' ? 128 * 1024 * 1024 : lengthLimit;
             if (file.size > sizeLimit) throw new ValidationError('file');
-            if (file.size < lengthLimit && !file.filepath.endsWith('.zip')) {
-                // TODO auto detect & convert encoding
+            if (file.size < lengthLimit && !file.filepath.endsWith('.zip') && !setting.langs[lang].isBinary) {
                 // TODO submission file shape
                 code = await readFile(file.filepath, 'utf-8');
             } else {

packages/hydrooj/src/lib/content.ts

@@ -8,7 +8,7 @@ export interface ProblemSource {
     source?: string,
 }
 
-export function buildContent(source: ProblemSource, type: 'markdown' | 'html' = 'markdown', translate?: Function) {
+export function buildContent(source: ProblemSource, type: 'markdown' | 'html' = 'markdown', translate?: (s: string) => string) {
     const _ = translate || ((s: string) => s);
     let cnt = 0;
     // Keep it for backward compatibility, but don't add to typings

packages/utils/lib/lang.ts

@@ -15,6 +15,7 @@ export interface LangConfig {
     target?: string;
     key: string;
     hidden: boolean;
+    isBinary?: boolean;
     analysis?: string;
     /** @deprecated */
     remote?: string;
@@ -52,6 +53,7 @@ export function parseLang(config: string): Record<string, LangConfig> {
         entry.key = key;
         entry.hidden ||= false;
         entry.disabled ||= false;
+        entry.isBinary ||= false;
         entry.validAs ||= {};
     }
     return file;