Re: help-I'm new in c++

From:
 Naresh Rautela <nrautela@gmail.com>
Newsgroups:
comp.lang.c++
Date:
Mon, 04 Jun 2007 07:13:25 -0000
Message-ID:
<1180941205.137371.194390@n15g2000prd.googlegroups.com>
On Jun 3, 1:28 pm, memo <keo...@gmail.com> wrote:

hi im in a trouble with c++ i made a project with c but icant convert c
++ here is the code with c

#include<stdio.h>
#include<stdlib.h>
#include <conio.h>

static int i=0;
static int boyut=4;
static int*tur;

union myArray{

        double doubleDizi;
    int integer;
    char charDizi[20];
    };
typedef union myArray MyArray;
MyArray* eleman;

int menu(void);
int veriTipi(void);
void integerEkle(void);
void doubleEkle(void);
void charEkle(void);
void eklemeFonksiyonlari(int);
void menuIslemleri(int);
void buyut(MyArray*,int *);
void indeksOkuma(int);
void kapasite(void);
void elemanSayisi(void);
void doluluk(void);
void elemanlar(void);
void cikis(void);

int veriTipi(void)
{
    int cevap;
        system("cls");
    printf("1\tinteger ekle\n2\tdouble ekle\n3\tstring ekle(maximum 20
uzunlugunda)\n4\tcancel\n");
    scanf("%d",&cevap);
    return cevap;
    }
int menu(void){
    int cevap;
    printf("1\tyeni eleman ekle\n2\tgirilen indeksteki elemani gor
\n3\tkac eleman oldugunu gor\n4\tdizinin kapasitesi gor\n"
         "5\tdizinin doluluk oranini gor\n6\tdizinin elemanlarini gor
\n7\tcikis\n");
         scanf("%d",&cevap);

         return cevap;
    }
 void eklemeFonksiyonlari(int number){
         system("cls");

     switch(number){
         case 1:
         integerEkle();
         break;

         case 2:
         doubleEkle();
         break;

         case 3:
         charEkle();
         break;

         case 4:
         menu();
         break;
         }

     }

 void menuIslemleri(int secim){

     switch(secim){
         case 1:
         int deger;
         deger=veriTipi();
         eklemeFonksiyonlari(deger);
         break;

         case 2:
                         int b;
                         printf("lutfen indeksi giriniz\n");
                         scanf("%d",&b);
          indeksOkuma(b);
         break;

         case 3:
          elemanSayisi();
         break;

         case 4:

                         kapasite();
        break;

        case 5:
             doluluk();
        break;

        case 6:
        elemanlar();
        break;

        case 7:
        cikis();
        break;
         }
     }

void integerEkle(void){
        if(i<boyut){
printf("lutfen degeri giriniz\n");
scanf("%d",&eleman[i]);
tur[i]=1;
i++;
        }
        else{
        buyut(eleman,tur);
        printf("lutfen degeri giriniz\n");
scanf("%d",&eleman[i]);
tur[i]=1;

        }

}

void doubleEkle(void){
        if(i<boyut){
printf("lutfen degeri giriniz\n");
scanf("%lf",&eleman[i]);
tur[i]=2;
i++;

        }
                else{
        buyut(eleman,tur);
        printf("lutfen degeri giriniz\n");
scanf("%lf",&eleman[i]);
tur[i]=2;
i++;

        }

}

void charEkle(void){

        if(i<boyut){
        printf("string giriniz\n");
        scanf("%s",&eleman[i]);
        tur[i]=3;
        i++;

        }
        else
        {
        buyut(eleman,tur);
        printf("string giriniz\n");
        scanf("%s",&eleman[i]);
        tur[i]=3;
        i++;

    }

}

void buyut(MyArray*p,int*a){
    boyut=(int)(boyut*3/2);
    p=(MyArray*)realloc(p,boyut);
        a=(int *)realloc(a,boyut);
    }
void indeksOkuma(int c){
        int j=0;
        switch(tur[c]){

        case 1:
        printf("%d\n",eleman[c]);
        system("pause");
        break;
        case 2:
        printf("%.2f\n",eleman[c]);
        system("pause");
        break;

        case 3:
                 while((eleman[i-1].charDizi[j])!='\0')
        printf("%c",eleman[i-1].charDizi[j++]);
        printf("\n");
        system("pause");
        break;

        }

}

void kapasite(void){

printf("dizimizin kapasitesi=%d\n",boyut);
system("pause");}

void elemanSayisi(void){
printf("dizimizin eleman sayisi=%d\n",i);
system("pause");}

void doluluk(void){
        double k;
        k=(double)((((double)i)/((double)boyut))*((double)100));

        printf("dizimizin doluluk orani = %c",37);
        printf(" %.2f\n",k);
        system("pause");

}

void elemanlar(void){

        int k=0;

        do{
                indeksOkuma(k);
                k++;

        }while((eleman[k].charDizi[0])!='\0' || (eleman[k].doubleDizi)!='\0'
||(eleman[k].integer)!='\0' );

}

void cikis(void){

exit(0);

}

int main(){

        int secim;
    eleman=(MyArray*)malloc(sizeof(MyArray)*boyut);
        tur=(int *)malloc(sizeof(int)*boyut);

        do{
        system("CLS");
    secim=menu();
    menuIslemleri(secim);
        }while(secim!=7);

        return 0;

}

it works but also c++ isnt.:((

its here icant solve the problem
#include<stdio.h>
#include<stdlib.h>
#include <conio.h>
static int i=0;
static int boyut=4;
static int*tur;

class proje
{

        private:
    union myArray{

              double doubleDizi;
           int integer;
             char charDizi[20];
    };
    typedef union myArray MyArray;
    MyArray* eleman;

public:
int menu(void);
int veriTipi(void);
void integerEkle(void);
void doubleEkle(void);
void charEkle(void);
void eklemeFonksiyonlari(int);
void menuIslemleri(int);
void buyut(MyArray*,int *);
void indeksOkuma(int);
void kapasite(void);
void elemanSayisi(void);
void doluluk(void);
void elemanlar(void);
void cikis(void);

};

int proje::veriTipi(void){
    int cevap;
        system("cls");
    printf("1\tinteger ekle\n2\tdouble ekle\n3\tstring ekle(maximum 20
uzunlugunda)\n4\tcancel\n");
    scanf("%d",&cevap);
    return cevap;}

int proje::menu(void){
    int cevap;
    printf("1\tyeni eleman ekle\n2\tgirilen indeksteki elemani gor
\n3\tkac eleman oldugunu gor\n4\tdizinin kapasitesi gor\n"
         "5\tdizinin doluluk oranini gor\n6\tdizinin elemanlarini gor
\n7\tcikis\n");
         scanf("%d",&cevap);

         return cevap;}

void proje::eklemeFonksiyonlari(int number){
     system("cls");
      switch(number){
      case 1:
         integerEkle();
         break;

         case 2:
         doubleEkle();
         break;

         case 3:
         charEkle();
         break;

         case 4:
         menu();
         break;
         }

     }
void proje::menuIslemleri(int secim){
     switch(secim){
         case 1:
         int deger;
         deger=veriTipi();
         eklemeFonksiyonlari(deger);
         break;

         case 2:
                         int b;
                         printf("lutfen indeksi giriniz\n");
                         scanf("%d",&b);
          indeksOkuma(b);
         break;

         case 3:
          elemanSayisi();
         break;

         case 4:

                         kapasite();
        break;

        case 5:
             doluluk();
        break;

        case 6:
        elemanlar();
        break;

        case 7:
        cikis();
        break;
         }
     }
     void proje::integerEkle(void){
          if(i<boyut){
printf("lutfen degeri giriniz\n");
scanf("%d",&eleman[i]);
tur[i]=1;
i++;
        }
        else{
        buyut(eleman,tur);
        printf("lutfen degeri giriniz\n");
scanf("%d",&eleman[i]);
tur[i]=1;

        }

}

 void proje::doubleEkle(void){
        if(i<boyut){
printf("lutfen degeri giriniz\n");
scanf("%lf",&eleman[i]);
tur[i]=2;
i++;

        }
                else{
        buyut(eleman,tur);
        printf("lutfen degeri giriniz\n");
scanf("%lf",&eleman[i]);
tur[i]=2;
i++;

        }

}

void proje::charEkle(void){
        if(i<boyut){
        printf("string giriniz\n");
        scanf("%s",&eleman[i]);
        tur[i]=3;
        i++;

        }
        else
        {
        buyut(eleman,tur);
        printf("string giriniz\n");
        scanf("%s",&eleman[i]);
        tur[i]=3;
        i++;

    }

}

void proje::buyut(MyArray*,int*){
      boyut=(int)(boyut*3/2);
     MyArray*p=(MyArray*)realloc(p,boyut);
         int*a=(int *)realloc(a,boyut);}

void proje::indeksOkuma(int){
     int j=0;
        switch(tur[i]){

        case 1:
        printf("%d\n",eleman[i]);
        system("pause");
        break;
        case 2:
        printf("%.2f\n",eleman[i]);
        system("pause");
        break;

        case 3:
                 while((eleman[i-1].charDizi[j])!='\0')
        printf("%c",eleman[i-1].charDizi[j++]);
        printf("\n");
        system("pause");
        break;}

        void proje::kapasite(void){
     printf("dizimizin kapasitesi=%d\n",boyut);
     system("pause");}

        void proje::elemanSayisi(void){
printf("dizimizin eleman sayisi=%d\n",i);
system("pause");}

void proje::doluluk(){
     double k;
        k=(double)((((double)i)/((double)boyut))*((double)100));

        printf("dizimizin doluluk orani = %c",37);
        printf(" %.2f\n",k);
        system("pause");}

void proje::elemanlar(void){

        int k=0;

        do{
                indeksOkuma(k);
                k++;

        }while((eleman[k].charDizi[0])!='\0' || (eleman[k].doubleDizi)!='\0'
||(eleman[k].integer)!='\0' );

};

void proje::cikis(void){

     exit(0);

};

int main(){

    int secim;
   (MyArray*)malloc(sizeof(MyArray)*boyut)=eleman;
        tur=(int *)malloc(sizeof(int)*boyut);

        do{
        system("CLS");
    secim=menu();
    menuIslemleri(int secim);
        }while(secim!=7);

        return 0;

}
}- Hide quoted text -

- Show quoted text -


There seems to be a couple of things wrong with this program
1. There seems to be a few misplaced brackets.
2. In main you are trying to access MyArray directly. Its a private
datamember of clas proje. So you need to create a method within proje
to return you this structure.
3. Menu is a member function of proje, you cannot access it directly.
You need to do something like
   proje p;
   p.menu();
4. The do loop should look like
   do
        {
            system("CLS");
            secim=p.menu();
            p.menuIslemleri(secim);
        }while(secim!=7);
5. use cin and cout instead of scanf and printf

Once you are done with these changes maybe we can help you further.

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