shell_args.h

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/*
-------------------------------------------------------------------------------
                            PLEBBLE
-------------------------------------------------------------------------------
 Copyright (C) 2019-2020 KATLAS Technology. (http://katlastechnology.com)
 Copyright (C) 2017-2020 Marcos Mayorga. (mm@mm-studios.com)
 
 This file is part of our Plebble(R) Platform.
 
 The code below cannot be copied, used for any purpose other than the one
 agreed and/or distributed without the express permission of
 KATLAS Technology.
-------------------------------------------------------------------------------
 
 
*/
#ifndef USGOV_46373a79c914cc1afc4dcf1f5c83a282d35ddf519feb546780be965072e21ade
#define USGOV_46373a79c914cc1afc4dcf1f5c83a282d35ddf519feb546780be965072e21ade
 
#include <string>
#include <sstream>
#include <us/gov/crypto/ripemd160.h>
#include "convert.h"
 
namespace us { namespace gov {
namespace io {
 
using namespace std;
 
struct shell_args final {
    typedef crypto::ripemd160::value_type hash_t;
 
    shell_args(int argc, char** argv);
    shell_args(const string&args); //Copies *must* not live longer than the original
    shell_args(const shell_args&);
    ~shell_args();
 
    shell_args& operator =(const shell_args&);
 
    template<typename T>
    T next() {
        if (n>=argc) {
            return T();
        }
        string i=argv[n++];
        return convert<T>(i);
    }
 
    template<typename T>
    T next(const T& default_value) {
        if (n>=argc) {
            return default_value;
        }
        string i=argv[n++];
        return convert<T>(i);
    }
 
    static hash_t next_token(istream& is);
    hash_t next_token();
    string next_line();
    int args_left() const;
    void dump(const string& prefix, ostream&os) const;
    void dump(ostream&os) const;
 
    bool del;
    int argc;
    char** argv;
    int n{1};
};
 
}
}}
 
#endif