152 lines
5.7 KiB
JavaScript
152 lines
5.7 KiB
JavaScript
// disclaimer: code sucks because tl itself sucks :shrug:
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const { createWriter } = require('./common')
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const schema = require('../raw-schema.json')
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const output = createWriter('../binary/writer.js')
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const { tab, untab, write } = output
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write(`// This file is auto-generated. Do not edit.
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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function _has (value) { return +!!(Array.isArray(value) ? value.length : value !== undefined); }
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function _assert_has (obj, prop) { if (obj[prop] === void 0) throw new Error('Object ' + obj._ + ' is missing required property ' + prop) }
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exports.default = {`)
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tab()
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const parsedManually = [
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0x1cb5c415,
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0x3072cfa1,
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0xbc799737,
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0x997275b5,
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0x3fedd339,
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0x56730bcc,
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]
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function getFunctionCallByTypeName(ns, type, value = 'obj') {
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let funcName,
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args = [value]
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if (type === 'number') funcName = 'int32'
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else if (type === 'Long') funcName = 'long'
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else if (type === 'RawLong') funcName = 'rawLong'
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else if (type === 'Int128') funcName = 'int128'
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else if (type === 'Int256') funcName = 'int256'
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else if (type === 'Double') funcName = 'double'
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else if (type === 'string') funcName = 'string'
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else if (type === 'Buffer') funcName = 'bytes'
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else if (type.match(/^(boolean|true|false)$/)) funcName = 'boolean'
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else if (type.endsWith('[]')) {
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let typ = type.substr(0, type.length - 2)
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let isBare = false
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let writer // = `(r, val) => r.${getFunctionCallByTypeName(ns, typ, 'val')}`
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if (typ[0] === '%') {
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typ = typ.substr(1)
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isBare = true
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if (typ !== 'Message')
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throw new Error('Only bare mt_message is supported!')
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}
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if (typ === 'number') writer = 'this.int32'
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else if (typ === 'Buffer') writer = 'this.bytes'
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else if (typ === 'Long') writer = 'this.long'
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else if (typ === 'RawLong') writer = 'this.rawLong'
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else if (typ === 'Int128') writer = 'this.int128'
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else if (typ === 'Int256') writer = 'this.int256'
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else if (typ === 'Double') writer = 'this.double'
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else if (typ === 'string') writer = 'this.string'
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else writer = 'this.object'
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funcName = `vector`
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args = [writer, value]
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if (isBare) args.push(true)
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} else funcName = `object`
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return `${funcName}(${args.join(', ')})`
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}
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function writeNamespace(nsType) {
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return ([namespace, content]) => {
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let baseTypePrefix = nsType === 'mtproto' ? 'mtproto.' : ''
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let nsPrefix = namespace === '$root' ? '' : namespace + '.'
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let prefix = (nsType === 'mtproto' ? 'mt_' : '') + nsPrefix
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const addObject = (isMethod) => {
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return (cls) => {
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if (cls.id === 0 || parsedManually.includes(cls.id)) return
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let is_mt_message =
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nsType === 'mtproto' && cls.name === 'message'
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if (cls.arguments && cls.arguments.length) {
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write(
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`'${prefix}${cls.name}': function (obj${
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is_mt_message ? ', bare' : ''
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}) {`
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)
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} else {
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write(`'${prefix}${cls.name}': function () {`)
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}
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tab()
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if (is_mt_message) {
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write('if (!bare)')
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}
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write(`${is_mt_message ? ' ' : ''}this.uint32(${cls.id})`)
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if (cls.arguments) {
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cls.arguments.forEach((arg) => {
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if (arg.type === '$FlagsBitField') {
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let content = cls.arguments
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.filter(
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(i) =>
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i.optional &&
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i.predicate.split('.')[0] === arg.name
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)
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.map(
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(arg) =>
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`(${
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arg.type === 'true'
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? `+!!obj.${arg.name}`
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: `_has(obj.${arg.name})`
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} << ${arg.predicate.split('.')[1]})`
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)
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.join(' | ')
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write(`this.uint32(${content})`)
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} else {
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if (arg.optional && arg.type === 'true') return // zero-size, included in flags
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if (arg.optional) {
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write(`if (_has(obj.${arg.name}))`)
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tab()
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} else {
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write(`_assert_has(obj, '${arg.name}')`)
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}
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write(
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`this.${getFunctionCallByTypeName(
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baseTypePrefix,
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arg.type,
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`obj.${arg.name}`
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)}`
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)
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if (arg.optional) {
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untab()
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}
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}
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})
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}
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untab()
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write('},')
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}
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}
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content.classes.forEach(addObject(false))
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content.methods.forEach(addObject(true))
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}
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}
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Object.entries(schema.mtproto).forEach(writeNamespace('mtproto'))
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Object.entries(schema.api).forEach(writeNamespace())
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// for writerMap
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untab()
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write('}')
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