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var exec = require('child_process').exec;
var fs = require('fs');
var cuid = require('cuid');
var colors = require('colors');
exports.stats = false ;
exports.compileCPP = function ( envData , code , fn ) {
//creating source file
var filename = cuid.slug();
path = './temp/';
//create temp0
fs.writeFile( path + filename +'.cpp' , code , function(err ){
if(exports.stats)
{
if(err)
console.log('ERROR: '.red + err);
else
{
console.log('INFO: '.green + filename +'.cpp created');
//compiling and exrcuiting source code
if(envData.cmd === 'g++')
{
//compile c code
commmand = 'g++ ' + path + filename +'.cpp -o '+path + filename +'.exe' ;
exec(commmand , function ( error , stdout , stderr ){
if(error)
{
if(exports.stats)
{
console.log('INFO: '.green + filename + '.cpp contained an error while compiling');
}
var out = { error : stderr };
fn(out);
}
else
{
var progNotFinished=true;
var tempcommand = "cd temp & "+ filename ;
exec( tempcommand , function ( error , stdout , stderr ){
if(error)
{
if(error.toString().indexOf('Error: stdout maxBuffer exceeded.') != -1)
{
var out = { error : 'Error: stdout maxBuffer exceeded. You might have initialized an infinite loop.' };
fn(out);
}
else
{
if(exports.stats)
{
console.log('INFO: '.green + filename + '.cpp contained an error while executing');
}
var out = { error : stderr };
fn(out);
}
}
else
{
if(progNotFinished){
progNotFinished=false;// programme finished
if(exports.stats)
{
console.log('INFO: '.green + filename + '.cpp successfully compiled and executed !');
}
var out = { output : stdout};
fn(out);
}
}
});
if(envData.options.timeout)
{
// kill the programme after envData.options.timeout ms
setTimeout(function (){
exec("taskkill /im "+filename+".exe /f > nul",function( error , stdout , stderr ){
if(progNotFinished)
{
progNotFinished=false;// programme finished
if(exports.stats)
{
console.log('INFO: '.green + filename + '.exe was killed after '+envData.options.timeout+'ms');
}
var out = { timeout : true};
fn(out);
}
});
},envData.options.timeout);
}
}
});
}
else if(envData.cmd === 'gcc')
{
//compile c code
commmand = 'gcc ' + path + filename +'.cpp -o '+ path + filename+'.out' ;
exec(commmand , function ( error , stdout , stderr ){
if(error)
{
if(exports.stats)
{
console.log('INFO: '.green + filename + '.cpp contained an error while compiling');
}
var out = { error : stderr};
fn(out);
}
else
{
exec( path + filename + '.out', function ( error , stdout , stderr ){
if(error)
{
if(error.toString().indexOf('Error: stdout maxBuffer exceeded.') != -1)
{
var out = { error : 'Error: stdout maxBuffer exceeded. You might have initialized an infinite loop.' };
fn(out);
}
else
{
if(exports.stats)
{
console.log('INFO: '.green + filename + '.cpp contained an error while executing');
}
var out = { error : stderr };
fn(out);
}
}
else
{
if(exports.stats)
{
console.log('INFO: '.green + filename + '.cpp successfully compiled and executed !');
}
var out = { output : stdout};
fn(out);
}
});
}
});
}
else
{
console.log('ERROR: '.red + 'choose either g++ or gcc ');
}
} //end of else part of err
} //end of expors.stats
}); //end of write file
} //end of compileCPP
exports.compileCPPWithInput = function ( envData , code , input , fn ) {
var filename = cuid.slug();
path = './temp/';
//create temp0
fs.writeFile( path + filename +'.cpp' , code , function(err ){
if(exports.stats)
{
if(err)
console.log('ERROR: '.red + err);
else
{
console.log('INFO: '.green + filename +'.cpp created');
if(envData.cmd ==='g++')
{
//compile c code
commmand = 'g++ ' + path + filename +'.cpp -o '+ path + filename+'.exe' ;
exec(commmand , function ( error , stdout , stderr ){
if(error)
{
if(exports.stats)
{
console.log('INFO: '.green + filename + '.cpp contained an error while compiling');
}
var out = { error : stderr };
fn(out);
}
else
{
if(input){
var inputfile = filename + 'input.txt';
fs.writeFile( path + inputfile , input , function(err ){
if(exports.stats)
{
if(err)
console.log('ERROR: '.red + err);
else
console.log('INFO: '.green + inputfile +' (inputfile) created');
}
});
var progNotFinished=true;
var tempcommand = "cd temp & " + filename ;
exec( tempcommand + '