sem 2

1 files changed, 124 insertions, 0 deletions

diff --git a/Sem. 02/studentsDatabase.cpp b/Sem. 02/studentsDatabase.cpp
new file mode 100644
index 0000000..ba3e420
--- /dev/null
+++ b/Sem. 02/studentsDatabase.cpp
@@ -0,0 +1,124 @@
+#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;
+
+};
+
+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';
+
+	//fn
+	//??
+}
+
+void saveStudentsToFile(const OOPstudent* studentsCollection,int len,  const char* fileName)
+{
+	ofstream outFile(fileName);
+
+	if (!outFile.is_open())
+		return;
+
+	for (int i = 0; i < len; i++)
+		outFile << studentsCollection[i].firstName << " " << studentsCollection[i].lastName << " " << studentsCollection[i].email << endl;
+
+	outFile.close();
+}
+
+int main()
+{
+
+	int studentsCount = countLines("students.csv") - 1; // We ignore the first line 
+
+	OOPstudent* studentsCollection = new OOPstudent[studentsCount]; 
+
+	ifstream f("students.csv");
+
+	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();
+
+
+	//Do stuff
+
+	saveStudentsToFile(studentsCollection, studentsCount, "result.txt");
+
+
+	
+
+	delete[] studentsCollection;
+	return 0;
+}
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