Program Listing for File character_buffer.hpp

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

#ifndef ECL_DEVICES_BUFFER_HPP_
#define ECL_DEVICES_BUFFER_HPP_

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

#include <cstring>

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

namespace ecl {
namespace devices {

/*****************************************************************************
** Interface [CharBuffer]
*****************************************************************************/
class CharBuffer {
public:
    /*********************
    ** Static Variables
    **********************/
    static const unsigned int buffer_size = 4096;

    /*********************
    ** C&D
    **********************/
    CharBuffer() : fill_point_marker(0) {}
    virtual ~CharBuffer() {}

    unsigned int remaining() { return ( buffer_size - fill_point_marker); }
    unsigned int size() const { return fill_point_marker; }
    bool full() const;
    long append(const char &c);
    long append(const char* s, unsigned long n);
    void clear();
    char* c_ptr() { return contents; }

private:
    /*********************
    ** Variables
    **********************/
    unsigned int fill_point_marker; // Index pointing to where you would write the next char
    char contents[buffer_size];
};

/*****************************************************************************
** Interface [CharStringBuffer]
*****************************************************************************/
class CharStringBuffer {
public:
    /*********************
    ** Static Variables
    **********************/
    static const unsigned int buffer_size = 4095; // Array is actually this + 1

    /*********************
    ** C&D
    **********************/
    CharStringBuffer() : fill_point_marker(0) {
        contents[buffer_size] = '\0';
    }

    virtual ~CharStringBuffer() {}

    unsigned int remaining() { return ( buffer_size - fill_point_marker); }
    bool full() const;
    long append(const char &c);
    long append(const char* s, unsigned long n);
    const char* c_str();
    void clear();

private:
    /*********************
    ** Variables
    **********************/
    unsigned int fill_point_marker; // Index pointing to where you would write the next char
    char contents[buffer_size+1];
};

} // namespace devices
} // namespace ecl


#endif /* ECL_DEVICES_BUFFER_HPP_ */