some more methods

MercuryWorkshop · Sep 19, 2024 · 65b7fe9 · 65b7fe9
1 parent cd1e11f
commit 65b7fe9
Showing 1 changed file with 37 additions and 11 deletions.
diff --git a/src/api/LocalFS.ts b/src/api/LocalFS.ts
@@ -605,9 +605,12 @@ class LocalFS extends AFSProvider<LocalFSStats> {
         throw new Error("Method not implemented.");
     }
 
-    fchown() {
-        console.error("Not implemented: fchown");
-        throw new Error("Method not implemented.");
+    fchown(fd: AnuraFD, ...rest: any[]) {
+        const cb = rest[3];
+        this.promises
+            .chown(fd.path!, rest[1], rest[2])
+            .then(() => {})
+            .catch((e) => cb(e));
     }
 
     chmod(path: string, ...rest: any[]) {
@@ -618,9 +621,12 @@ class LocalFS extends AFSProvider<LocalFSStats> {
             .catch((e) => cb(e));
     }
 
-    fchmod() {
-        console.error("Not implemented: fchmod");
-        throw new Error("Method not implemented.");
+    fchmod(fd: AnuraFD, ...rest: any[]) {
+        const cb = rest[2];
+        this.promises
+            .chmod(fd.path!, rest[1])
+            .then(() => {})
+            .catch((e) => cb(e));
     }
 
     fsync(fd: AnuraFD, callback?: (err: Error | null) => void) {
@@ -679,8 +685,25 @@ class LocalFS extends AFSProvider<LocalFSStats> {
         });
     }
 
-    read() {
-        console.error("Not implemented: read");
+    read(
+        fd: AnuraFD,
+        buffer: Uint8Array,
+        offset: number,
+        length: number,
+        position: number,
+        callback: any,
+    ) {
+        (async () => {
+            const data: Uint8Array = await this.promises.readFile(fd.path!);
+            for (const num in data) {
+                // slow, maybe dont use this, also probably wrong
+                if (Number(num) + position + offset <= length)
+                    buffer[num] = data[Number(num) + position + offset]!;
+            }
+            let nbytes = data.length;
+            if (nbytes > length) nbytes = length;
+            callback(null, nbytes);
+        })();
         throw new Error("Method not implemented.");
     }
     // From here to below are not in normal nodejs
@@ -725,9 +748,12 @@ class LocalFS extends AFSProvider<LocalFSStats> {
         throw new Error("Method not implemented.");
     }
 
-    chown() {
-        console.error("Not implemented: chown");
-        throw new Error("Method not implemented.");
+    chown(path: string, ...rest: any[]) {
+        const cb = rest[3];
+        this.promises
+            .chown(path!, rest[1], rest[2])
+            .then(() => {})
+            .catch((e) => cb(e));
     }
 
     close(fd: AnuraFD, callback: (err: Error | null) => void) {