1 files changed, 0 insertions, 253 deletions
diff --git a/Sem. 02/task2/studentsDatabase.cpp b/Sem. 02/task2/studentsDatabase.cpp
deleted file mode 100644
index 7f9a5f5..0000000
--- a/Sem. 02/task2/studentsDatabase.cpp
+++ /dev/null
@@ -1,253 +0,0 @@
-#include <iostream>
-#include <fstream>
-
-using namespace std;
-
-const int FIELD_MAX_SIZE = 50;
-const int BUFFER_LINE_SIZE = 1024;
-
-struct OOPstudent
-{
-	char firstName[FIELD_MAX_SIZE];
-	char lastName[FIELD_MAX_SIZE];
-	char email[FIELD_MAX_SIZE];
-	int fn = 0;
-
-};
-
-int countLines(const char* fileName)
-{
-	ifstream f(fileName);
-	if (!f.is_open())
-		return -1;
-	int linesCount = 0;
-
-	while (!f.eof())
-	{
-		char buff[1024];
-		f.getline(buff, 1024);
-		linesCount++;
-	}
-	f.close();
-
-	return linesCount;
-
-}
-// abc,bcd,ab@Abv.bg,fn
-void readStudent(const char* input, OOPstudent& student)
-{
-	int ind = 0;
-
-	// first name
-	while (input[ind] != ',')
-	{
-		student.firstName[ind] = input[ind];
-		ind++;
-	}
-	student.firstName[ind] = '\0';
-	ind++;
-
-	//last name
-	int lastNameInd = 0;
-	while (input[ind] != ',')
-		student.lastName[lastNameInd++] = input[ind++];
-	student.lastName[lastNameInd] = '\0';
-	ind++;
-
-	//email
-	int emailInd = 0;
-
-	while (input[ind] != ',')
-		student.email[emailInd++] = input[ind++];
-	student.email[emailInd] = '\0';
-	ind++;
-
-	//fn
-	while (input[ind] != '\0')
-		(student.fn *= 10) += (input[ind++] - '0');
-	
-}
-
-bool saveStudentsToFile(const OOPstudent* studentsCollection, int len, const char* fileName)
-{
-	ofstream outFile(fileName);
-
-	if (!outFile.is_open())
-		return false;
-
-	outFile << "First name, Last name, email, fn" << endl;
-
-	for (int i = 0; i < len; i++)
-		outFile << studentsCollection[i].firstName << "," << studentsCollection[i].lastName << "," << studentsCollection[i].email << "," << studentsCollection[i].fn << endl;
-
-	outFile.close();
-
-	return true;
-}
-
-int indexOfFirstSpaceOrTerminatingZero(const char* command)
-{
-	int ind = 0;
-	while (*command != ' ' && *command != '\t' && *command != '\0')
-	{
-		command++;
-		ind++;
-	}
-	return ind;
-
-}
-
-bool printStudent(const OOPstudent* arrayOfStudents, int len,  int fn)
-{
-	for (int i = 0; i < len; i++)
-	{
-		if (arrayOfStudents[i].fn == fn)
-		{
-			cout << arrayOfStudents[i].firstName << "," << arrayOfStudents[i].lastName << "," << arrayOfStudents[i].email << "," << arrayOfStudents[i].fn << endl;
-			return true;
-		}
-	}
-	return false;
-}
-bool editFirstName(OOPstudent* arrayOfStudents, int len, int fn, const char* newFirstName)
-{
-	for (int i = 0; i < len; i++)
-	{
-		if (arrayOfStudents[i].fn == fn)
-		{
-			strcpy(arrayOfStudents[i].firstName, newFirstName);
-			return true; //success!
-		}
-	}
-	return false; //no such student
-}
-int main()
-{
-
-	cout << "Open file:" << endl << ">";
-
-	char fileName[BUFFER_LINE_SIZE];
-	cin.getline(fileName, BUFFER_LINE_SIZE);
-		
-	int studentsCount = countLines(fileName) - 1; // We ignore the first line 
-
-
-	if (studentsCount <= 0)
-	{
-		cout << "Error while reading data from the file " << endl;
-		return -1;
-	}
-
-	OOPstudent* studentsCollection = new OOPstudent[studentsCount];
-
-
-	ifstream f(fileName, ios::_Nocreate);
-
-	if (!f.is_open())
-	{
-		cout << "Error!" << endl;
-		delete[] studentsCollection;
-		return -1;
-	}
-
-	int line = 1;
-	while (!f.eof())
-	{
-		char buff[BUFFER_LINE_SIZE];
-		f.getline(buff, BUFFER_LINE_SIZE);
-
-		if (line == 1)
-		{
-			line++;
-			continue;
-		}
-
-		readStudent(buff, studentsCollection[line - 2]);
-		line++;
-	}
-	f.close();
-
-	cout << "File successfully opened!" << endl;
-
-	char commandLine[BUFFER_LINE_SIZE];
-	do
-	{
-		cout << ">";
-		cin.getline(commandLine, 1024);
-		size_t len = strlen(commandLine);
-
-
-
-		//first argument (edit, save ...)
-		size_t firstArgSize = indexOfFirstSpaceOrTerminatingZero(commandLine);
-		char* commandFirstArg = new char[firstArgSize + 1];
-
-		for (int i = 0; i < firstArgSize; i++)
-			commandFirstArg[i] = commandLine[i];
-		commandFirstArg[firstArgSize] = '\0';
-
-
-	
-
-		if (len == firstArgSize) //no more arguments - quit? Check is bellow
-			continue;
-
-		//second argument (students.csv, 45543 ...)
-		size_t secondArgSize = len - firstArgSize - 1;
-		char* commandSecondArg = new char[secondArgSize + 1];
-
-		for (int i = 0; i < secondArgSize; i++)
-			commandSecondArg[i] = commandLine[firstArgSize + 1 + i];
-		commandSecondArg[secondArgSize] = '\0';
-		if (strcmp(commandFirstArg, "print") == 0)
-		{
-			int fn = atoi(commandSecondArg);
-
-			bool res = printStudent(studentsCollection, studentsCount, fn);
-
-			if (!res)
-				cout << "Student with fn: " << fn << " doesn't exist!" << endl;;
-		}
-		else if (strcmp(commandFirstArg, "edit") == 0)
-		{
-			int fn = atoi(commandSecondArg);
-
-			//we have a third argument here. It's in the second arguments string
-
-			size_t seprator = indexOfFirstSpaceOrTerminatingZero(commandSecondArg);
-
-			size_t thirdArgumentSize = secondArgSize - seprator;
-			char* commandThirdArg = new char[thirdArgumentSize + 1];
-			
-			for (int i = 0; i < thirdArgumentSize; i++)
-				commandThirdArg[i] = commandSecondArg[seprator + 1 + i];
-			commandThirdArg[thirdArgumentSize] = '\0';
-
-			bool result = editFirstName(studentsCollection, studentsCount, fn, commandThirdArg);
-
-			if (result)
-				cout << "Succesfully changed name!" << endl;
-			else
-				cout << "Student with fn: " << fn << "doesn't exist!" << endl;
-
-			delete[] commandThirdArg;
-		}
-		else if (strcmp(commandFirstArg, "save") == 0)
-		{
-
-			bool res = saveStudentsToFile(studentsCollection, studentsCount, commandSecondArg);
-
-			if (res)
-				cout << "Successfully saved to file: " << commandSecondArg << endl;
-			else
-				cout << "Error while saving in file: " << commandSecondArg << endl;
-
-		}
-		delete[] commandFirstArg;
-		delete[] commandSecondArg;
-
-	} while (strcmp(commandLine, "Quit"));
-
-	delete[] studentsCollection;
-	return 0;
-}