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// A sample program demonstrating using Google C++ testing framework.
//
// Author: wan@google.com (Zhanyong Wan)

#ifndef GTEST_SAMPLES_SAMPLE2_H_
#define GTEST_SAMPLES_SAMPLE2_H_

#include <string.h>


// A simple string class.
class MyString
{
    private:
        const char* c_string_;
        const MyString& operator=(const MyString& rhs);

    public:
        // Clones a 0-terminated C string, allocating memory using new.
        static const char* CloneCString(const char* a_c_string);

        ////////////////////////////////////////////////////////////
        //
        // C'tors

        // The default c'tor constructs a NULL string.
        MyString() : c_string_(NULL) {}

        // Constructs a MyString by cloning a 0-terminated C string.
        explicit MyString(const char* a_c_string) : c_string_(NULL) {
            Set(a_c_string);
        }

        // Copy c'tor
        MyString(const MyString& string) : c_string_(NULL) {
            Set(string.c_string_);
        }

        ////////////////////////////////////////////////////////////
        //
        // D'tor.  MyString is intended to be a final class, so the d'tor
        // doesn't need to be virtual.
        ~MyString() { delete[] c_string_; }

        // Gets the 0-terminated C string this MyString object represents.
        const char* c_string() const { return c_string_; }

        size_t Length() const {
            return c_string_ == NULL ? 0 : strlen(c_string_);
        }

        // Sets the 0-terminated C string this MyString object represents.
        void Set(const char* c_string);
};


#endif  // GTEST_SAMPLES_SAMPLE2_H_
