Files
xml-servicefile-parser/index.js
2022-01-30 13:45:12 +05:30

111 lines
3.9 KiB
JavaScript

const { parseString } = require('xml2js');
const path = require('path');
const fs = require('fs');
const assert = require('assert');
// load in settings
console.log('Loading configuration: settings.json');
const settings = JSON.parse(
fs.readFileSync(path.join(__dirname, 'settings.json'))
);
// Assert everything is alright with the settings
assert(
typeof settings?.scriptConfig?.general?.command === 'string',
'Expected command'
);
assert(
Array.isArray(settings?.scriptConfig?.env),
'Expected an array of environment statuses'
);
assert(typeof settings?.fileName === 'string', 'Expected a filename');
assert(
typeof settings?.serviceScript === 'string',
'Expected a result filename'
);
/** @type {string} */
const fastbootCommand = settings.scriptConfig.general.command;
/** Input File Name used for config */
const filePathString = process.argv[2] ?? settings.fileName;
/** Where the input file is located */
const fileDirPath = path.dirname(filePathString);
console.log('Loaded configuration');
fs.readFile(filePathString, (err, data) => {
if (err) {
throw new Error(
`${err.code}: Could not read file. Try again. ${err.name}`
);
}
console.log(`Reading ${filePathString}`);
parseString(data, (err, res) => {
if (err) {
throw new Error(`${err.code}: Error parsing file. :${err.name}`);
}
console.log(`Parsed ${filePathString}`);
assert(
typeof res?.flashing?.header?.[0]?.phone_model[0]?.$?.model ===
'string',
'Expected a model number'
);
console.log('Model: ', res.flashing.header[0].phone_model[0].$.model);
assert(
Array.isArray(res?.flashing?.steps),
'Expected steps to be an array!'
);
// Store steps
const steps = res.flashing.steps[0];
//console.log(steps.$.interface)
assert(steps?.$?.interface === 'AP', 'Expected an Interface of AP');
// if (steps.$.interface !== "AP") {
// throw new Error("Does not look like servicefile.xml. Aborting.");
// }
//settings.scriptConfig.env[settings.defaultMode].preconfig + '\n'
//sScript+= `${settings.scriptConfig.env[settings.defaultMode].commentPre} Generated for ${res.flashing.header[0].phone_model[0].$.model} \n`
const sScript = steps.step.reduce((t, e) => {
switch (e.$.operation) {
case 'oem':
case 'getvar':
t += `${fastbootCommand} ${e.$.operation} ${e.$.var}\n`;
break;
case 'flash':
t += `${fastbootCommand} ${e.$.operation} ${e.$.partition} ${e.$.filename}\n`;
break;
case 'erase':
t += `${fastbootCommand} ${e.$.operation} ${e.$.partition} \n`;
break;
default:
throw new Error(`Unkown: ${e.$.operation}`);
}
return t;
}, '');
//Write the data down
settings.scriptConfig.env.forEach((e) => {
// add some spice to the script that is required
const data =
e.preConfig +
`\n${e.commentPre} Generated for ${res.flashing.header[0].phone_model[0].$.model} \n` +
sScript;
const outputFileName = settings.serviceScript + e.extension;
/** Output file full path */
const resFileLocation = path.join(fileDirPath, outputFileName);
// write it down
fs.writeFile(resFileLocation, data, { mode: 0o765 }, (err) => {
if (err) {
throw new Error(
`${err.errno}: Error Writing Script: ${err.name}`
);
}
console.log(`Done: ${settings.serviceScript + e.extension}`);
});
});
});
});