Archive for March, 2008

STRUCT PADA DATABASE SEDERHANA(COMPLETE SOURCE)

Posted in College, Computer on March 7, 2008 by infrontofcompie 

///////////////////////////////////////

//Tugas 1 Algoritma dan Struktur Data//

//   Database Mahasiswa Sederhana    //

//       NELFRITS CHRISTOPHER        //

//////////    682005021     ///////////

///////////////////////////////////////

#include<iostream.h>

#include<conio.h>

#include<stdlib.h>

#include<string.h>

#include<stdio.h>

#include<errno.h>

#include<limits.h>

#define MAX 10

#define IP_MAX 4.00

#define IP_MIN 0.00

struct TanggalLahir{

char tempat[25];

int tgl;

int bulan;

int tahun;

};

struct Mahasiswa{

char nama[25];

char nim[10];

TanggalLahir tglLahir;

float IP;

};

void errorMessage();

void errorMessageDate();

void init(Mahasiswa mhs[MAX]);

void extrakData(int field,Mahasiswa mhs[MAX]);

//global variabel

int limitArray;

int tglInt,blnInt,thnInt;

float InPre;

int find[MAX];

int counterData=0;

int valid = 0;

void GUI(){

clrscr();

cout<<"\n\n\n\t\t\t\tDatabase Mahasiswa"<<endl<<endl;

cout<<"             \t\t\t1. Input Data"<<endl;

cout<<"             \t\t\t2. Tampilkan Data"<<endl;

cout<<"             \t\t\t3. Edit Data"<<endl;

cout<<"             \t\t\t4. Cari Data"<<endl;

cout<<"             \t\t\t5. Exit"<<endl;

cout<<"\n             \t\t\tPilihan? ";

}

void delay(int time){

for(int Aa=0;Aa<=time*900;Aa++){

for(int Bb=0;Bb<=time*900;Bb++){

}

}

}

void validateInt(char value[25],int code,Mahasiswa mhs[MAX]){

/*15-Jul-2002

(C) 1999 by Jack Klein

All rights reserved*/

char *end_ptr;

long long_var;

for( ; ; ){

fflush(stdout);

if (value [0] == '\n')

{

break;

}

errno = 0;

long_var = strtol(value, &end_ptr, 0);

if (ERANGE == errno)

{

//exitMessage();

errorMessage();

init(mhs);

}

else if (long_var > INT_MAX)

{

//exitMessage();

errorMessage();

init(mhs);

}

else if (long_var < INT_MIN)

{

//exitMessage();

errorMessage();

init(mhs);

}

else if (end_ptr == value)

{

//exitMessage();

errorMessage();

init(mhs);

}

/*else if ('' != *end_ptr)

{

//printf("extra characters on input line\n");

exitMessage();

} */

else

{

if(code==1)

tglInt = (int)long_var;

else if(code==2)

blnInt = (int)long_var;

else if(code==3)

thnInt = (int)long_var;

break;

}

}

}

void validateIP(char IP[10],Mahasiswa mhs[MAX]){

char *end_ptr;

double var;

for( ; ; ){

fflush(stdout);

if (IP[0] == '\n')

{

break;

}

errno = 0;

var = strtod(IP,&end_ptr);

if (ERANGE == errno)

{

//exitMessage();

errorMessage();

init(mhs);

}

else if (var > IP_MAX)

{

//exitMessage();

errorMessage();

init(mhs);

}

else if (var < IP_MIN)

{

//exitMessage();

errorMessage();

init(mhs);

}

else if (end_ptr == IP)

{

//exitMessage();

errorMessage();

init(mhs);

}

/*else if ('' != *end_ptr)

{

//printf("extra characters on input line\n");

exitMessage();

} */

else

{

InPre = (float)var;

break;

}

}

}

void validateDate(int tgl, int bln, int tahun,Mahasiswa mhs[MAX]){

int mod;

if(tgl<1 || tgl > 31){

errorMessageDate();

init(mhs);

}

if(bln<1 || bln>12){

errorMessageDate();init(mhs);}

if(tahun<1900 || tahun>2020){

errorMessageDate();init(mhs);}

mod = tahun%4;

if(bln==2 && mod==0 && tgl>29){

errorMessageDate();init(mhs);}

if(bln==2 && tgl>28){

errorMessageDate();init(mhs);}

if((bln==2||bln==4||bln==6||bln==9||bln==11) && tgl>30){

errorMessageDate();init(mhs);

}

}

void inputData(Mahasiswa mhs[MAX]){

clrscr();

char YN;

char name[45];

char place[45];

char NIM[20];

char tmpTgl[45];

char tmpBln[45];

char tmpTahun[45];

char IPre[10];

for(int a=limitArray;a<=MAX;a++){

clrscr();

if(a==MAX)  {

clrscr();

cout<<"Storage Full, Unable to Input More Data(s)";

getch();

break;

}

cout<<"Nama: ";

gets(name);

strcpy(mhs[a].nama,name);

cout<<"NIM: ";

cin>>NIM;

strcpy(mhs[a].nim,NIM);

cout<<"Tempat Lahir: ";

gets(place);

strcpy(mhs[a].tglLahir.tempat,place);

cout<<"Tanggal: ";

fgets(tmpTgl, sizeof tmpTgl, stdin);

validateInt(tmpTgl,1,mhs);

mhs[a].tglLahir.tgl = tglInt;

cout<<"Bulan: ";

fgets(tmpBln, sizeof tmpBln, stdin);

validateInt(tmpBln,2,mhs);

mhs[a].tglLahir.bulan = blnInt;

cout<<"Tahun: ";

fgets(tmpTahun, sizeof tmpTahun, stdin);

validateInt(tmpTahun,3,mhs);

mhs[a].tglLahir.tahun = thnInt;

validateDate(tglInt,blnInt,thnInt,mhs);

cout<<"IP: ";

fgets(IPre, sizeof IPre, stdin);

validateIP(IPre,mhs);

mhs[a].IP = InPre;

cout<<"Masukkan Data?(Y/N)";

cin>>YN;

if(YN=='Y'||YN=='y'){

limitArray++;

continue;

}else{

limitArray++;

break;

}

}

}

void cetakData(Mahasiswa mhs[MAX]){

clrscr();

cout<<"----------------------------------------------------------------\n";

for(int a=0;a<limitArray;a++){

cout<<"No. :"<<(a+1)<<endl;

cout<<"Nama:"<<mhs[a].nama<<endl;

cout<<"NIM :"<<mhs[a].nim<<endl;

cout<<"TTL :"<<mhs[a].tglLahir.tempat<<", "<<mhs[a].tglLahir.tgl<<"\\"<<mhs[a].tglLahir.bulan<<"\\"<<mhs[a].tglLahir.tahun<<endl;;

cout<<"IP  : "<<mhs[a].IP<<endl;

cout<<"----------------------------------------------------------------\n";

}

getch();

}

void editData(Mahasiswa mhs[MAX]){

int noRecord;

int field;

int a;

char name[45];

char place[45];

char NIM[20];

char tmpTgl[45];

char tmpBln[45];

char tmpTahun[45];

char IPre[10];

while(1){

cetakData(mhs);

cout<<"\nPilih No.ReCord/Keluar=0: ";

cin>>noRecord;

if(noRecord==0){

init(mhs);

}else if((noRecord-1)>limitArray){

init(mhs);

}

a = noRecord-1;

cout<<"Pilih Field(Nama=1,Nim=2,Tempat=3,Tanggal=4,Bulan=5,Tahun=6,IP=7): ";

cin>>field;

cout<<"\n";

if(field==1){

cout<<"Nama: ";

gets(name);

strcpy(mhs[a].nama,name);

editData(mhs);

}

else if(field==2){

cout<<"NIM: ";

cin>>NIM;

strcpy(mhs[a].nim,NIM);

editData(mhs);

}

else if(field==3){

cout<<"Tempat Lahir: ";

gets(place);

strcpy(mhs[a].tglLahir.tempat,place);

editData(mhs);

}

else if(field==4){

cout<<"Tanggal: ";

fgets(tmpTgl, sizeof tmpTgl, stdin);

validateInt(tmpTgl,1,mhs);

mhs[a].tglLahir.tgl = tglInt;

editData(mhs);

}

else if(field==5){

cout<<"Bulan: ";

fgets(tmpBln, sizeof tmpBln, stdin);

validateInt(tmpBln,2,mhs);

mhs[a].tglLahir.bulan = blnInt;

editData(mhs);

}

else if(field==6){

cout<<"Tahun: ";

fgets(tmpTahun, sizeof tmpTahun, stdin);

validateInt(tmpTahun,3,mhs);

mhs[a].tglLahir.tahun = thnInt;

editData(mhs);

}

else if(field==7){

cout<<"IP: ";

fgets(IPre, sizeof IPre, stdin);

validateIP(IPre,mhs);

mhs[a].IP = InPre;

editData(mhs);

}

else if(field==8)

init(mhs);

else{

cout<<"Wrong Input!";

editData(mhs);

}

}

}

void cariData(Mahasiswa mhs[MAX]){

int opt;

int indeks=0;

clrscr();

cout<<"Pilih Kriteria Pencarian\n";

cout<<"[1]Nama\n";

cout<<"[2]TempatLahir\n";

cout<<"[3]NIM\n";

cout<<"Pilihan?";

cin>>opt;

extrakData(opt,mhs);

while(indeks<counterData){

cout<<"----------------------------------------------------------------\n";

cout<<"Nama:"<<mhs[find[indeks]].nama<<endl;

cout<<"NIM :"<<mhs[find[indeks]].nim<<endl;

cout<<"TTL :"<<mhs[find[indeks]].tglLahir.tempat<<", "<<mhs[find[indeks]].tglLahir.tgl<<"\\"<<mhs[find[indeks]].tglLahir.bulan<<"\\"<<mhs[find[indeks]].tglLahir.tahun<<endl;;

cout<<"IP  : "<<mhs[find[indeks]].IP<<endl;

cout<<"----------------------------------------------------------------\n";

indeks++;

}

counterData=0; //reset global variabel

getch();

}

void init(Mahasiswa mhs[MAX]){

char opt[1];

int counter=limitArray;

while(1){

GUI();

//opt = getch();

gets(opt);

switch(opt[0]){

case '1'    :

inputData(mhs);

valid=1;

break;

case '2'    :

if(valid==0)

init(mhs);

cetakData(mhs);

break;

case '3'    :

if(valid==0)

init(mhs);

editData(mhs);

break;

case '4'    :

if(valid==0)

init(mhs);

cariData(mhs);

break;

case '5'    :

_exit(0);

break;

default    :

_exit(0);

break;

}

counter++;

}

}

void main(){

Mahasiswa mhs[MAX];

init(mhs);

}

void errorMessage(){

clrscr();

cout<<"Wrong Input";

delay(100);

}

void errorMessageDate(){

clrscr();

cout<<"Error Date Input";

delay(100);

}

void extrakData(int field,Mahasiswa mhs[MAX]){

//int value[10];

char input[45];

char *output;

if(field==1){

clrscr();

cout<<"Nama?";

gets(input);

for(int i=0;i<limitArray;i++){

output = strstr(mhs[i].nama,input);

if(output!=NULL){

find[counterData] = i;

counterData++;

}else

continue;

}

}

else if(field==2){

clrscr();

cout<<"Tempat Lahir?";

gets(input);

for(int i=0;i<limitArray;i++){

output = strstr(mhs[i].tglLahir.tempat,input);

if(output!=NULL){

find[counterData] = i;

counterData++;

}else

continue;

}

}

else if(field==3){

clrscr();

cout<<"NIM?";

gets(input);

for(int i=0;i<limitArray;i++){

output = strstr(mhs[i].nim,input);

if(output!=NULL){

find[counterData] = i;

counterData++;

}else

continue;

}

}

else{

cariData(mhs);

}

}

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