commline.h

自编的一个String类

//file commline.h

#include "str.h"

// class for decoding command line parameters
// if first string begins with - or / assume it is options
// assume all options form a single string

class CommandLine
{
   int the_argc;
   char** the_argv;
   bool options;                // true if first arg begins with - or /
   int n_args;                  // number of arguments
public:
   CommandLine(int an_argc, char** an_argv);
   int argc() { return the_argc; }
   char** argv() { return the_argv; }
   String GetArg(int i);        // get i-th arg (1 = first arg after options)
   String GetOptions();
   int NumberOfArgs() { return n_args; }  // no. of args excl .exe and options
   bool Options() { return options; }
                                // true if there are options
   bool HasOption(const String& s);
                                // true if options has any char in s
};

// body file: commline.cpp