forked from sheetjs/sheetjs
41 lines
993 B
TypeScript
41 lines
993 B
TypeScript
/*! sheetjs (C) 2013-present SheetJS -- http://sheetjs.com */
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import { Ptr, ProtoMessage, parse_shallow, parse_varint49, varint_to_i32 } from './proto';
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interface IWAMessage {
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/** Metadata in .TSP.MessageInfo */
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meta: ProtoMessage;
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data: Uint8Array;
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}
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interface IWAArchiveInfo {
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id?: number;
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messages?: IWAMessage[];
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}
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export { IWAMessage, IWAArchiveInfo };
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function parse_iwa(buf: Uint8Array): IWAArchiveInfo[] {
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var out: IWAArchiveInfo[] = [], ptr: Ptr = [0];
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while(ptr[0] < buf.length) {
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/* .TSP.ArchiveInfo */
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var len = parse_varint49(buf, ptr);
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var ai = parse_shallow(buf.slice(ptr[0], ptr[0] + len));
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ptr[0] += len;
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var res: IWAArchiveInfo = {
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id: varint_to_i32(ai[1][0].data),
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messages: []
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};
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ai[2].forEach(b => {
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var mi = parse_shallow(b.data);
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var fl = varint_to_i32(mi[3][0].data);
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res.messages.push({
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meta: mi,
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data: buf.slice(ptr[0], ptr[0] + fl)
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});
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ptr[0] += fl;
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});
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out.push(res);
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}
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return out;
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}
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export { parse_iwa };
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