#include<iostream.h>
#include<string.h>
class Anystring
{
private:
int count;
char str[30];
public:
Anystring();
Anystring(const char*);
~Anystring();
void str_length(); //길
void str_reverse(); // 기
void str_count_same_char(); // 기
void str_delete_white_space(); // 기
Anystring operator+(const Anystring &string1); //const;
// + 기
friend ostream& operator<<(ostream & os, const Anystring & a_string);
// << 기
};
Anystring::Anystring()
{
str[0]='';
}
Anystring::Anystring(const char* tempstr)
{
strncpy(str, tempstr, 30);
}
Anystring::~Anystring()
{
}
void Anystring::str_length()
{
count=0;
while(str[count]!='')
count++;
cout<<" 길 "<<count<<"."<<endl;
}
void Anystring::str_reverse()
{
count=0;
while(str[count]!='')
count++;
while(count!=0){
cout<<str[count-1];
count--;
}
}
void Anystring::str_count_same_char()
{
count=0;
char input_char;
cout<<" : ";
cin>>input_char;
cout<<input_char<<"n";
for(int i=0;i<30;i++){
if(str[i]==input_char)
count++;
}
cout<<input_char<<" "<<count<<"개 ."<<endl;
}
void Anystring::str_delete_white_space()
{
count=0;
while(str[count]!='')
count++;
for(int i=0;i<30;i++){
if(str[i]==' '){
for(int j=i;j<count;j++)
str[j]=str[j+1];
}
}
cout<<str<<endl;
}
Anystring Anystring::operator+(const Anystring &string1) //const
{
count=0;
while(str[count]!='')
count++;
Anystring temp_string;
strncpy(temp_string.str, str, 30);
int i=0;
while(string1.str[i]!=''){
temp_string.str[count+i]=string1.str[i];
i++;
}
return temp_string;
}
ostream& operator<<(ostream& os, const Anystring & a_string)
{
os<<a_string.str<<endl;
return os;
}
int main()
{
int input;
Anystring string0("asdf asdf");
Anystring string1("qwer qwer");
Anystring temp_string;
cout<<"==========String Of C++====================="<<endl;
cout<<"1. 길 기"<<endl;
cout<<"2. 거꾸 기"<<endl;
cout<<"3. 고 갯 기"<<endl;
cout<<"4. 기"<<endl;
cout<<"5. + 기"<<endl;
cout<<"6. << 기"<<endl;
cout<<"============================================"<<endl;
cout<<" ?(7 ): ";
cin>>input;
switch(input)
{
case 1:
string0.str_length();
break;
case 2:
string0.str_reverse();
break;
case 3:
string0.str_count_same_char();
break;
case 4:
string0.str_delete_white_space();
break;
case 5:
temp_string=string0+string1;
cout<<temp_string;
break;
case 6:
cout<<string0;
break;
default:
break;
}
cout<<".n";
return 0;
}
