demostf/demo.js
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simple parser for menu

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This commit is contained in:
Robin Appelman 2017-09-01 23:15:51 +02:00
commit 70bdf0257e
4 changed files with 48 additions and 16 deletions
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14
src/Parser/Packet/Menu.ts
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@ -1,14 +0,0 @@
import {BitStream} from 'bit-buffer';
import {MenuPacket} from '../../Data/Packet';
export function ParseMenu(stream: BitStream): MenuPacket {
const type = stream.readUint16();
const length = stream.readUint16();
const data = stream.readBitStream(length * 8); // length is in bytes
return {
packetType: 'menu',
type,
length,
data,
};
}

6
src/Parser/Packet/ParserGenerator.ts
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@ -47,6 +47,9 @@ function readItem(stream: BitStream, description: string, data) {
} else if (description[0] === 'u') {
const length = parseInt(description.substr(1), 10);
return stream.readBits(length);
} else if (description[0] === '$' && description.substr(description.length - 2) === '*8') {
const variable = description.substr(1, description.length - 3);
return stream.readBitStream(data[variable] * 8);
} else if (description[0] === '$') {
const variable = description.substr(1);
return stream.readBitStream(data[variable]);
@ -70,6 +73,9 @@ function writeItem(stream: BitStream, description: string, data, value: boolean
} else if (description[0] === 'u') {
const length = parseInt(description.substr(1), 10);
return stream.writeBits(value as number, length);
} else if (description[0] === '$' && description.substr(description.length - 2) === '*8') {
const variable = description.substr(1, description.length - 3);
return stream.writeBitStream(value as BitStream, data[variable] * 8);
} else if (description[0] === '$') {
const variable = description.substr(1);
return stream.writeBitStream(value as BitStream, data[variable]);