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#ifndef RING_BUFFER_HPP
#define RING_BUFFER_HPP
/// Code courtesy of: http://www.osix.net/modules/article/?id=464
template<typename kind>
class RingBuffer {
public:
//static const unsigned long RING_BUFFER_SIZE = 1024;
static const unsigned long RING_BUFFER_SIZE = 32768;
private:
kind buffer[RING_BUFFER_SIZE];
unsigned int current_element;
public:
RingBuffer() : current_element(0) {
}
RingBuffer(const RingBuffer& old_ring_buf) {
memcpy(buffer, old_ring_buf.buffer, RING_BUFFER_SIZE*sizeof(kind));
current_element = old_ring_buf.current_element;
}
RingBuffer operator = (const RingBuffer& old_ring_buf) {
memcpy(buffer, old_ring_buf.buffer, RING_BUFFER_SIZE*sizeof(kind));
current_element = old_ring_buf.current_element;
}
~RingBuffer() { }
void append(kind value) {
if (current_element == RING_BUFFER_SIZE) {
current_element = 0;
}
buffer[current_element] = value;
++current_element;
}
kind back() {
if (current_element == 0) {
current_element = RING_BUFFER_SIZE;
}
--current_element;
return buffer[current_element];
}
kind forward() {
if(current_element >= RING_BUFFER_SIZE) {
current_element = 0;
}
++current_element;
return( buffer[(current_element-1)] );
}
int current() {
return (current_element % RING_BUFFER_SIZE);
}
};
#endif
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