cpstring.h

来自「This program demonstrates using a thread」· C头文件 代码 · 共 67 行

// cpstring.h - String class header file
 
 // Copyright 1998-2010 Wind River Systems, Inc.
 
 //
 // modification history
 // --------------------
 // 02a,30mar98,pai  added Wind River coding conventions
 // 01a,10jan98,pai  written
 //
 
 
 #ifndef __INCcpstringh
 #define __INCcpstringh
 
 
 
 // includes
 
 #include "iostream.h"
 #include "bool.h"
 
 
 
 class String
     {
     private:
 
         char *   str;
         int      len;
 
         char *   strcpy (char * target, const char * source) const;
         unsigned strlen (const char * str) const;
         int      strcmp (const char * s, const char * t) const;
 
     public:
 
         String  (const char * s);
         String  ();
         String  (const String & st);
        ~String  ();
 
         int Length () { return len; }
 
 
         // overloaded operators
 
         String & operator=(const String & st); // assignment operator
         String & operator=(const char * s);
         String & operator+=(const String & st);
         String & operator+=(const char * s);
 
         // friends
 
         friend Bool operator>(const String & st1, const String & st2);
         friend Bool operator<(const String & st1, const String & st2);
         friend Bool operator==(const String & st1, const String & st2);
         friend ostream & operator<<(ostream & os, const String & st);
         friend istream & operator>>(istream & is, String & st);
 
     };
 
 
 
 #endif  // __INCcpstringh