read entry resource

1 files changed, 42 insertions, 0 deletions

diff --git a/viewer/main.ts b/viewer/main.ts
index 4320b68..5aa1df6 100644
--- a/viewer/main.ts
+++ b/viewer/main.ts
@@ -17,3 +17,45 @@ function draw() {
 canvas.addEventListener("resize", () => draw())
 draw()
 
+class Resource<T> {
+    constructor(public hash: Uint8Array) { }
+    toString() {
+        return Array.from(this.hash)
+            .map(e => e.toString(16).padStart(2, "0"))
+            .join("")
+    }
+    async download_raw() {
+        const res = await fetch(`http://127.0.0.1:28556/${this.toString()}`)
+        if (!res.ok) throw new Error("aaaa");
+        return await res.bytes()
+    }
+}
+
+function read_res_table(buffer: Uint8Array): { [key: string]: Uint8Array[] } {
+    const view = new DataView(buffer.buffer)
+    let p = 0
+    const out: { [key: string]: Uint8Array[] } = {}
+    while (p < view.byteLength) {
+        const key_len = view.getInt16(p, true)
+        p += 2
+        const value_len = view.getInt16(p, true)
+        p += 2
+        const key = String.fromCharCode(...buffer.slice(p, p + key_len))
+        p += key_len
+        const value = buffer.slice(p, p + value_len)
+        p += value_len
+        out[key] ??= []
+        out[key].push(value)
+    }
+    return out
+}
+
+async function init() {
+    const resp = await fetch("http://127.0.0.1:28556/entry")
+    if (!resp.ok) throw new Error("aaaa");
+    const entry_res = new Resource(await resp.bytes())
+
+    const entry = await entry_res.download_raw()
+    console.log(read_res_table(entry))
+}
+init()
\ No newline at end of file