/*
 *  MultiFormatOneDReader.cpp
 *  ZXing
 *
 *  Copyright 2010 ZXing authors All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "MultiFormatOneDReader.h"

#include <zxing/oned/MultiFormatUPCEANReader.h>
#include <zxing/oned/Code39Reader.h>
#include <zxing/oned/Code128Reader.h>
#include <zxing/oned/ITFReader.h>
#include <zxing/ReaderException.h>

namespace zxing {
  namespace oned {
    MultiFormatOneDReader::MultiFormatOneDReader(DecodeHints hints) : readers() {
      if (hints.containsFormat(BarcodeFormat_EAN_13) ||
          hints.containsFormat(BarcodeFormat_EAN_8) ||
          hints.containsFormat(BarcodeFormat_UPC_A) ||
          hints.containsFormat(BarcodeFormat_UPC_E)) {
        readers.push_back(Ref<OneDReader>(new MultiFormatUPCEANReader(hints)));
      }
      if (hints.containsFormat(BarcodeFormat_CODE_39)) {
        readers.push_back(Ref<OneDReader>(new Code39Reader()));
      }
      if (hints.containsFormat(BarcodeFormat_CODE_128)) {
        readers.push_back(Ref<OneDReader>(new Code128Reader()));
      }
      if (hints.containsFormat(BarcodeFormat_ITF)) {
        readers.push_back(Ref<OneDReader>(new ITFReader()));
      }
      if (readers.size() == 0) {
        readers.push_back(Ref<OneDReader>(new MultiFormatUPCEANReader(hints)));
        readers.push_back(Ref<OneDReader>(new Code39Reader()));
        readers.push_back(Ref<OneDReader>(new Code128Reader()));
        readers.push_back(Ref<OneDReader>(new ITFReader()));
      }
    }

    Ref<Result> MultiFormatOneDReader::decodeRow(int rowNumber, Ref<BitArray> row) {
      int size = readers.size();
      for (int i = 0; i < size; i++) {
        OneDReader* reader = readers[i];
        Ref<Result> result = reader->decodeRow(rowNumber, row);
        if (!result.empty()) {
          return result;
        }
      }
      return Ref<Result>();
    }
  }
}