command_line_program.h

Go to the documentation of this file.

#ifndef SVEN_UI__COMMAND_LINE_PROG
#define SVEN_UI__COMMAND_LINE_PROG

#include <string>
#include <sven/fs_addons.h>

namespace sven_ui {

//a wrapper for boost thread sleeping functions.
void thread_sleep(double seconds);

using std::string;
using sven::cstring;

namespace cmdline_prog_imp { struct CommandLineProgram; }

struct CommandLineProgram {

private:
        cmdline_prog_imp::CommandLineProgram * wrapped;

public:

        CommandLineProgram();
        ~CommandLineProgram();


        void create_process(cstring name);


        void terminate_threads();

        void write_line(cstring s);

        string read();
        
        string read_error();

        bool process_is_dead(); 

        void finish();


        //
        // the following variables may be set prior to 
        // running start_process in order to tweak
        // various behaviors of the process and monitoring
        // threads.
        //

        double &read_tick;
        double &write_tick;
        double &finish_tick;
        double &finish_timeout;

        bool &seperate_std_error;

        bool &writeable;

        fs::wpath &starting_dir;                
};


inline string run_com(cstring com, double timeout=0) {
        CommandLineProgram prog;
        prog.finish_timeout=timeout;
        prog.writeable=false;
        prog.create_process(com);
        std::ostringstream rval;
        prog.finish();
        return prog.read();
}

}

#endif

---