#include "oneshotreadwriter.h"

OneShotReadWriter::OneShotReadWriter(uint32_t owner, uint8_t* toRead) : ReadWriter(owner) {
  this->length = strlen(toRead);

  this->buffer = new uint8_t[this->length];

  memcpy(this->buffer, toRead, this->length);
}

uint32_t OneShotReadWriter::read(uint32_t count, uint8_t* buffer) {
  uint32_t c=0;
  while (index < length && c < count) {
    buffer[c++] = this->buffer[index++];
  }
  return c;
}

uint32_t OneShotReadWriter::size() {
  return length;
}

uint32_t OneShotReadWriter::seek(uint32_t position) {
  index = clamp(0, length, position);
  return index;
}