devices/string.hpp

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/*****************************************************************************
** Ifdefs
*****************************************************************************/

#ifndef ECL_DEVICES_STRING_HPP_
#define ECL_DEVICES_STRING_HPP_

/*****************************************************************************
** Includes
*****************************************************************************/

#include <string>
#include "traits.hpp"
#include "macros.hpp"

/*****************************************************************************
** Namespaces
*****************************************************************************/

namespace ecl {

/*****************************************************************************
** Interface [String]
*****************************************************************************/
class ecl_devices_PUBLIC String {
public:
        explicit String(const char* str = "");
        virtual ~String();

        /*********************
        ** String Interface
        **********************/
        const char* c_str();
        std::string str();
        void clear();

        /******************************************
        ** Device Source Interface
        *******************************************/
        long read(char &c);
        long read(char* s, unsigned long n);
        unsigned long remaining();

        /******************************************
        ** Device Sink Interface
        *******************************************/
        long write(char c);
        long write(const char* s, unsigned long n);

        /******************************************
        ** Device Seekable Interface
        *******************************************/
        unsigned long size();
        void flush() {};

        /*********************
        ** Device Interface
        **********************/
        bool open() { return true; }; 
        bool isOpen() { return true; }; 
private:
        unsigned long buffer_length; // Actual reserved memory is this +1
        char *buffer;
        char* buffer_cur_write;
        char* buffer_cur_read;
        void grow(int no_bytes = 256);

};

/*****************************************************************************
** Traits
*****************************************************************************/

template <>
class is_sink<String> : public True {};

template <>
class is_source<String> : public True {};

template <>
class is_sourcesink<String> : public True {};

} // namespace ecl


#endif /* ECL_DEVICES_STRING_HPP_ */