/**
* Searches in the "name" directory for the "find" file,
* if file is found and the user wanted to find that filetype
* the path is added to a list that will be printed at the end.
* Also puts all directories found in a list for it to be
* searched.
*/
bool searchForFile(char* name, char *find, int t, struct Node* list) {
DIR *dir;
struct dirent *ent;
struct stat f_info;
bool foundFile = false;
if (openDir(&dir, name, &ent)) {
do {
if ((lstat(ent->d_name, &f_info)) < 0) {
fprintf(stderr, "lstat error: ");
perror(ent->d_name);
} else {
if (t == 0 && compareName(ent->d_name, find)) {
foundFile = true;
} else if (checkDir(t, f_info, ent->d_name, find)) {
foundFile = true;
} else if (checkReg(t, f_info, ent->d_name, find)) {
foundFile = true;
} else if (checkLink(t, f_info, ent->d_name, find)) {
foundFile = true;
}
if (checkDirAndRights(f_info) && !isDot(ent->d_name)) {
int l = strlen(name) + strlen(ent->d_name);
char *str = calloc(1, sizeof(char[l + 2]));
strcpy(str, name);
strcat(str, "/");
strcat(str, ent->d_name);
insert(list, str);
}
}
} while ((ent = readdir(dir)));
}
closedir(dir);
return foundFile;
}
QVector<Instruction> Parser::parseFile(QFile &instFile)
{
QVector <Instruction> instMem; //to be returned
Instruction temp; //current instruction that is being formed
QString line; //current line being proccessed
QTextStream fileStream(&instFile); //the stream of the file
QRegExp inst_3Op("\\s*(ADD|ADDI|XOR|SLT|BLE)\\s+\\$(\\d+)\\s*,\\s*\\$(\\d+)\\s*,\\s*(\\$?\\d+)\\s*"); //to check for instruction with three operands
QRegExp inst_2Op("\\s*(LW|SW)\\s+\\$(\\d+)\\s*,\\s*(\\d+)\\s*\\(\\s*\\$(\\d+)\\s*\\)\\s*"); //to check for instructions with two operands
QRegExp inst_1Op ("\\s*(J|JAL|JR|JUMP_PROCEDURE)\\s+(\\$?\\d+)\\s*"); //to check for instruction with 1 operand
QRegExp inst_0Op ("^\\s*(RETURN_PROCEDURE)\\s*$");
QRegExp empty("^(\\s*)$"); //to check for any white char
QString fileError = "An Error Occurred, Problem with the File"; //to be thrown if an error occurred when openning the file
QString invalidSyntaxError = "An Error Occurred, Invalid Instruction Syntax at Line: "; //to be thrown if invalid syntax found
QString RegIndexError = "An Error Occurred, Register Index Out of Bounds at Line: "; //to be thrown if register index is out of bound
if(instFile.open(QFile::ReadOnly)) { //todo : open file in read only format
while(!fileStream.atEnd()) {
line = fileStream.readLine();
lineNumber++;
if(inst_3Op.indexIn(line) != -1) { //match 3operands instruction
temp.inst = inst_3Op.cap(0);
temp.instType = inst_3Op.cap(1);
temp.jAddress = 0;
if (temp.instType == "ADDI" || temp.instType == "BLE" ){ // I-Format
if (inst_3Op.cap(4).at(0) == '$') throw (invalidSyntaxError + QString::number(lineNumber));
temp.rd = 0;
temp.rt = atoi( inst_3Op.cap(2).toStdString().c_str() );
temp.rs = atoi( inst_3Op.cap(3).toStdString().c_str() );
temp.imm = atoi( inst_3Op.cap(4).toStdString().c_str() );
if ( !checkReg(temp.rs) || !checkReg(temp.rt) ) throw (RegIndexError + QString::number(lineNumber));
} else { //R-Format
if (inst_3Op.cap(4).at(0) != '$') throw (invalidSyntaxError + QString::number(lineNumber));
temp.imm = 0;
temp.rd = atoi( inst_3Op.cap(2).toStdString().c_str() );
temp.rs = atoi( inst_3Op.cap(3).toStdString().c_str() );
temp.rt = atoi( inst_3Op.cap(4).toStdString().substr(1).c_str() );
if (!checkReg(temp.rs) || !checkReg(temp.rt) || !checkReg(temp.rd) ) throw (RegIndexError + QString::number(lineNumber));
}
} else if(inst_2Op.indexIn(line) != -1) { //match 2operands instructtion
temp.inst = inst_2Op.cap(0);
temp.instType = inst_2Op.cap(1);
temp.rd = 0;
temp.jAddress = 0;
temp.rt = atoi( inst_2Op.cap(2).toStdString().c_str() );
temp.imm = atoi( inst_2Op.cap(3).toStdString().c_str() );
temp.rs = atoi( inst_2Op.cap(4).toStdString().c_str() );
if ( !checkReg(temp.rs) || !checkReg(temp.rt) ) throw (RegIndexError + QString::number(lineNumber));
} else if (inst_1Op.indexIn(line) != -1) { //match 1operand instruction
temp.inst = inst_1Op.cap(0);
temp.instType = inst_1Op.cap(1);
temp.rt = 0;
temp.rd = 0;
temp.imm = 0;
if(temp.instType == "JR") { //JR
if (inst_1Op.cap(2).at(0) != '$') throw (invalidSyntaxError + QString::number(lineNumber));
temp.jAddress = 0;
temp.rs = atoi( inst_1Op.cap(2).toStdString().substr(1).c_str() );
if ( !checkReg(temp.rs) ) throw (RegIndexError + QString::number(lineNumber));
} else { // J/JAL/JUMP_PROCEDURE
if (inst_1Op.cap(2).at(0) == '$') throw (invalidSyntaxError + QString::number(lineNumber));
temp.rs = 0;
temp.jAddress = atoi( inst_1Op.cap(2).toStdString().c_str() );
}
} else if(inst_0Op.indexIn(line) != -1) { //RETURN_PROCEDURE
temp.inst = inst_0Op.cap(0);
temp.instType = inst_1Op.cap(1);
temp.rs = temp.rt = temp.rd = temp.imm = temp.jAddress = 0;
} else if (empty.indexIn(line) != -1) { //match white char
continue;
} else { //invalid instruction
throw (invalidSyntaxError + QString::number(lineNumber));
}
instMem.push_back(temp); //end of line parsing
}
instFile.close();
} else throw (fileError); //QString Error
return instMem; //end of parsing file
}
WLogin::WLogin(QWidget *parent) : QDialog(parent)
{
//main widget setup
installEventFilter(this);
this->setWindowFlags(Qt::FramelessWindowHint);
this->setAttribute( Qt::WA_TranslucentBackground, true);
this->setObjectName("LoginWindow");
//components new
loginBgLabel = new QLabel(this);
regBgLabel = new QLabel(this);
userName = new QLineEdit(this);
password = new QLineEdit(this);
passwordConfirm = new QLineEdit(this);
idCard = new QLineEdit(this);
cardNum = new QLineEdit(this);
mobile = new QLineEdit(this);
email = new QLineEdit(this);
address = new QLineEdit(this);
zipcode = new QLineEdit(this);
notice = new QLabel(this);
closeBtn = new QPushButton(this);
regBtn = new QPushButton(tr("Register"), this);
loginBtn = new QPushButton(tr("Login"), this);
registerBtn = new QPushButton(tr("Register"), this);
backBtn = new QPushButton(tr("Go Back"), this);
//set object name
loginBgLabel->setObjectName("LogInBG");
regBgLabel->setObjectName("RegBG");
userName->setObjectName("LogInUser");
password->setObjectName("LogInPW");
passwordConfirm->setObjectName("RegPWConfirm");
idCard->setObjectName("RegIDCard");
cardNum->setObjectName("RegCardNum");
mobile->setObjectName("RegMobile");
email->setObjectName("RegEmail");
address->setObjectName("RegAddress");
zipcode->setObjectName("RegZipcode");
notice->setObjectName("LogInNotice");
closeBtn->setObjectName("LogInClose");
regBtn->setObjectName("LogInReg");
loginBtn->setObjectName("LogInLogIn");
registerBtn->setObjectName("RegRegister");
backBtn->setObjectName("RegBack");
//set position and size
loginBgLabel->setGeometry(QRect(0, 0, 400, 678));
regBgLabel->setGeometry(QRect(0, 0, 400, 678));
userName->setGeometry(QRect(41, 198, 200, 36));
password->setGeometry(QRect(41, 246, 200, 36));
passwordConfirm->setGeometry(QRect(41, 286, 318, 36));
idCard->setGeometry(QRect(41, 334, 318, 36));
cardNum->setGeometry(QRect(41, 384, 318, 36));
mobile->setGeometry(QRect(41, 430, 318, 36));
email->setGeometry(QRect(41, 478, 318, 36));
address->setGeometry(QRect(41, 526, 318, 36));
zipcode->setGeometry(QRect(41, 574, 318, 36));
notice->setGeometry(QRect(41, 182, 294, 16));
closeBtn->setGeometry(QRect(375, 12, 10, 15));
regBtn->setGeometry(QRect(263, 202, 96, 36));
loginBtn->setGeometry(QRect(263, 244, 96, 36));
registerBtn->setGeometry(QRect(263, 626, 96, 36));
backBtn->setGeometry(QRect(167, 626, 96, 36));
//hide the registration buttons
loginBgLabel->setVisible(true);
regBgLabel->setVisible(false);
regBtn->setVisible(true);
loginBtn->setVisible(true);
passwordConfirm->setVisible(false);
idCard->setVisible(false);
cardNum->setVisible(false);
mobile->setVisible(false);
email->setVisible(false);
address->setVisible(false);
zipcode->setVisible(false);
registerBtn->setVisible(false);
backBtn->setVisible(false);
//set place holder text
userName->setPlaceholderText(tr("Username"));
password->setPlaceholderText(tr("Password"));
idCard->setPlaceholderText(tr("ID Number"));
passwordConfirm->setPlaceholderText(tr("Confirm Password"));
cardNum->setPlaceholderText(tr("Card Number"));
mobile->setPlaceholderText(tr("Mobile"));
email->setPlaceholderText(tr("E-mail"));
address->setPlaceholderText(tr("Address"));
zipcode->setPlaceholderText(tr("Zipcode"));
//set format
notice->setAlignment(Qt::AlignCenter);
password->setEchoMode(QLineEdit::Password);
passwordConfirm->setEchoMode(QLineEdit::Password);
userName->setFocus();
//set connections
connect(password, SIGNAL(returnPressed()), this, SLOT(checkLogin()));
connect(zipcode, SIGNAL(returnPressed()), this, SLOT(checkReg()));
connect(registerBtn, SIGNAL(clicked(bool)), this, SLOT(checkReg()));
connect(closeBtn, SIGNAL(clicked(bool)), this, SLOT(reject()));
connect(regBtn, SIGNAL(clicked(bool)), this, SLOT(changeToReg()));
connect(loginBtn, SIGNAL(clicked(bool)), this, SLOT(checkLogin()));
connect(backBtn, SIGNAL(clicked(bool)), this, SLOT(changeToLogin()));
//start opening animation
openWindow();
}
