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🚑 Fix bencode parser

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This commit is contained in:
C-3PO 2018-06-22 17:24:32 +02:00
parent 3bb970b76b
commit c7bea67a1c
Signed by: c3po
GPG key ID: 62993C4BB4D86F24
1 changed files with 4 additions and 1 deletions
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5
src/ssn/bencodeParser.ts
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@ -9,7 +9,7 @@ const Decoder = new TextDecoder('utf-8');
/** Takes a Bencoded-encoded file, parses it at the given starting position and returns a JSON object, or rejects on error. */
function bpParse(dv: DataView, posIn: number = 0): { obj: any, pos: number } {
let pos = posIn;
let obj;
let obj: any;
const header = dv.getUint8(pos); pos += 1;
switch (header) {
case 0x64: { //'d' - dictionary (key-value object)
@ -18,6 +18,9 @@ function bpParse(dv: DataView, posIn: number = 0): { obj: any, pos: number } {
//read key
const out1 = bpParse(dv, pos);
pos = out1.pos;
if (typeof out1.obj !== 'string') {
throw new Error(`Expected dictionary key to be string but it is "${typeof out1.obj}"`);
}
//read value
const out2 = bpParse(dv, pos);
pos = out2.pos;