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index.js
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index.js
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#!/usr/bin/env node
const readline = require('readline');
const fs = require('fs');
const path = require('path');
const sprintf = require('sprintf').sprintf;
const util = require('./util');
const Account = require('./account');
const Adapter = require('./adapter');
const App = require('./app');
const SETTING_FILE_NAME = ".uva-node";
const SETTING_PATH = path.join(util.getUserHomePath(), SETTING_FILE_NAME);
var app = new App();
if (fs.existsSync(SETTING_PATH))
{
app.load(SETTING_PATH);
}
else
{
console.log('Setting file not found: %s', SETTING_PATH);
console.log('A new one will be auto-created after exiting the program');
}
process.on('exit', saveSetting);
var args = process.argv.splice(2);
var interactive = args.length === 0;
if (! interactive)
{
executeLine(args.join(' '), function(){
process.exit(0);
});
return;
}
var rl = readline.createInterface(process.stdin, process.stdout);
rl.on('line', function(line){
executeLine(line, function (quitting){
if (quitting)
{
rl.close();
return;
}
console.log();
rl.prompt();
});
})
.on('close', function() {
console.log('Have a great day!');
process.exit(0);
});
rl.setPrompt('> ');
rl.prompt();
function saveSetting()
{
app.save(SETTING_PATH);
}
function printStatus(subs)
{
console.log("Sub Id | Prob # | Verdict | Lang | Runtime | Rank | Sub Time");
// 123456789---123456---1234567890123456---123456---1234567---12345---yyyy-mm-dd hh:mm:ss
var hasColors = process.stdout.isTTY;
var formatStr = "%9d %6d %"+(hasColors ? 26 : 16)+"s %6s %3d.%03d %5s %4d-%02d-%02d %02d:%02d:%02d";
var verdictKey = hasColors ? 'coloredLabel' : 'label';
var date = new Date();
for (var i = 0; i < subs.length;i++)
{
var sub = subs[i];
var subId = sub[0];
var probId = sub[1];
var verdict = sub[2];
var runtime = sub[3];
var time = sub[4]; // in millisec
var lang = sub[5];
var rank = sub[6];
date.setTime(time);
console.log(sprintf(formatStr,
subId, probId, verdict[verdictKey],
lang, Math.floor(runtime/1000), runtime%1000,
rank < 0 ? '-' : rank > 9999 ? '>9999' : rank,
date.getFullYear(), date.getMonth()+1, date.getDate(),
date.getHours(), date.getMinutes(), date.getSeconds()));
}
}
function getCurrentAdapter()
{
var curAdap = app.getCurrentAdapter();
if (curAdap) return curAdap;
console.log('No current account selected');
}
function printError(e)
{
console.log('Error: ' + (e.message || e));
}
function executeLine(line, doneFn)
{
var toks;
try
{
toks = util.parseArgs(line);
}
catch (e)
{
printError(e);
doneFn();
return;
}
if (toks.length === 0)
return doneFn();
var action = toks[0].toLowerCase();
function checkToks(argsCount, syntax)
{
if (toks.length !== argsCount+1)
{
console.log('Syntax: %s', syntax);
return false;
}
return true;
}
function tplHandle(subAction)
{
switch(subAction)
{
case 'add':
if (toks.length <= 2)
{
console.log('Syntax: tpl add <filePath>');
break;
}
var ok = app.getTemplateManager().add(toks[2]);
if (ok)
console.log('Added or replaced existing template');
else
console.log('Cannot detect language');
break;
case 'remove':
if (toks.length <= 2)
{
console.log('Syntax: tpl remove <lang>');
break;
}
var lang = util.getLang(toks[2]);
if (lang < 0)
{
console.log('Unknown language');
break;
}
app.getTemplateManager().remove(lang);
break;
case 'show':
console.log('lang | file path');
// 12345678---
var tpls = app.getTemplateManager().getAll();
for (var key in tpls)
{
var path = tpls[key];
if (!path) continue;
console.log(sprintf('%-8s %s', util.getLangName(key), path));
}
break;
default:
console.log('unknown sub action');
}
}
switch(action)
{
case 'exit':
case 'quit':
doneFn(true);
return;
case 'view':
var curAdap = getCurrentAdapter();
if (!curAdap) break;
if (!checkToks(1, 'view <prob #>')) break;
curAdap.getProblemURL(toks[1], function(e, url){
if (url)
{
try
{
app.openBrowser(url);
}
catch (e)
{
printError(e);
}
}
else
console.log('Problem not found');
doneFn();
});
return;
case 'set-browser':
if (toks.length < 2)
{
console.log('Syntax: set-browser <path> [<arg1> <arg2> ...]');
break;
}
app.setBrowser(toks[1], toks.slice(2));
console.log('Browser set');
break;
case 'get-browser':
var opts = app.getBrowser();
process.stdout.write('Command: '+opts.path+' <url>');
for (var i=0;i<opts.args.length;i++)
{
process.stdout.write(' ');
process.stdout.write(opts.args[i]);
}
console.log();
break;
case 'set-editor':
if (!checkToks(1, 'set-editor <editor path>')) break;
app.setEditor(toks[1]);
console.log('Editor set');
break;
case 'edit':
if (!checkToks(1, 'edit <file path>')) break;
app.edit(toks[1], function(e){
if (e)
console.log('Cannot edit: '+e.message);
else
console.log('Edit done');
doneFn();
});
return;
case 'tpl':
if (toks.length <= 1)
{
console.log('Syntax: tpl add <filePath> OR tpl remove <lang> OR tpl show');
break;
}
var subAction = toks[1].toLowerCase();
tplHandle(subAction);
break;
case 'send':
var curAdap = getCurrentAdapter();
if (!curAdap) break;
var probNum, filePath;
if (toks.length == 2)
{
var input = toks[1]; // can be prob# or filePath
if (fs.existsSync(input))
{
probNum = curAdap.inferProbNum(input);
filePath = input;
if (!probNum)
{
console.log('file "%s" exists, but cannot infer problem number.', input);
break;
}
}
else
{
var files = curAdap.findFileNames(input);
if (files.length == 0)
{
console.log('Cannot find source files in current directory for problem: %s', input);
break;
}
if (files.length > 1)
{
console.log('Multiple source files found: "%s", "%s", ...', files[0], files[1]);
break;
}
filePath = files[0];
probNum = input;
}
console.log('Inferred Problem #: %s', probNum);
console.log(' Source file: %s', filePath);
}
else if (toks.length == 3)
{
probNum = toks[1];
filePath = toks[2];
}
else
{
checkToks(2, 'send <prob#> <fileName/Path>');
break;
}
try
{
console.log('Logging in...');
curAdap.login(function(e){
if (e)
{
console.log('Login error: '+e.message);
doneFn();
return;
}
console.log('Sending code...');
curAdap.send(probNum, filePath, function(e){
if (e)
console.log('send failed: '+e.message);
else
console.log('Send ok');
doneFn();
});
});
return;
}
catch (e)
{
console.log('Send error: '+e.message);
}
break;
case 'use':
if (toks.length === 3)
{
try {
app.use(toks[1], toks[2]);
console.log('Account set as current');
}
catch (e){
printError(e);
}
}
else if (toks.length === 1)
{
app.useNone();
console.log('Current account set to none');
}
else
checkToks(2, 'use <type> <userName> OR use');
break;
case 'add':
// use traditional space-splitting in case password has quote chars.
toks = line.trim().split(/\s+/g);
if (! checkToks(3, 'add <type> <userName> <password>')) break;
var normType = Adapter.normalizeType(toks[1]);
if (!normType)
{
console.log('invalid type');
break;
}
var acct = new Account({type: toks[1], user: toks[2], pass: toks[3]});
var replaced = app.add(acct);
if (replaced)
console.log('An existing account was replaced');
else
console.log('Account added successfully');
break;
case 'remove':
if (!checkToks(2, 'remove <type> <userName>')) break;
try {
app.remove(toks[1], toks[2]);
console.log('Account removed');
}
catch(e) {
printError(e);
}
break;
case 'show':
var size = app.size();
if (!size)
{
console.log('No accounts');
break;
}
console.log(' type | user');
// 12345678901234---1234
for (var i=0;i < size; i++)
{
var acct = app.get(i);
console.log(sprintf("%-14s %s", acct.type(), acct.user()));
}
break;
case 'stat':
case 'status':
var curAdap = getCurrentAdapter();
if (!curAdap) break;
var num = 10;
if (toks.length == 2)
{
num = parseInt(toks[1]);
if (num <= 0 || isNaN(num))
{
console.log('must be positive integer');
break;
}
}
else if (toks.length !== 1)
{
console.log('Syntax: stat/status <count>');
break;
}
console.log('Getting status...');
curAdap.fetchStatus(num, function(e, subs){
if (e)
console.log('Status error: '+e.message);
else
printStatus(subs);
doneFn();
});
return;
default:
console.log('Unrecognized action');
break;
}
doneFn();
}