mystring.h

易学c++源码

#include <iostream>
using namespace std;
class mystring
{
public:
	mystring(char ctemp[]);
	mystring(mystring &stemp);
	mystring();
	~mystring();
	void replace(char s,char d);
	int len();
	void display();
private:
	char data[50];
	int length;
};
mystring::mystring(char ctemp[])
{
	for(int i=0;ctemp[i]!='\0' && i<=48;i++)
	{
		data[i]=ctemp[i];
	}
	data[i]='\0';
	length=i;
}
mystring::mystring(mystring &stemp)
{
	for(int i=0;i<=stemp.length;i++)
	{
		data[i]=stemp.data[i];
	}
	length=stemp.length;
}
mystring::mystring()
{
	length=0;
}
mystring::~mystring()
{
	cout <<"mystring destructor is running..." <<endl;
}
void mystring::replace(char s,char d)
{
	for(int i=0;i<length;i++)
	{
		if (data[i]==s)
		{
			data[i]=d;
		}
	}
}
int mystring::len()
{
	return length;
}
void mystring::display()
{
	cout <<"mystring:" <<data <<endl;
}