Program Listing for File 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_ */