Organize barcode codes into modules.

xfa/src/fxbarcode/src/BC_OnedEAN13Reader.cpp

-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-// Original code is licensed as follows:
-/*
- * Copyright 2008 ZXing authors
- *
- * 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 "barcode.h"
-#include "include/BC_Reader.h"
-#include "include/BC_OneDReader.h"
-#include "include/BC_OneDimReader.h"
-#include "include/BC_CommonBitArray.h"
-#include "include/BC_OnedEAN13Reader.h"
-const FX_INT32 CBC_OnedEAN13Reader::FIRST_DIGIT_ENCODINGS[10] = {
-    0x00, 0x0B, 0x0D, 0xE, 0x13, 0x19, 0x1C, 0x15, 0x16, 0x1A
-};
-CBC_OnedEAN13Reader::CBC_OnedEAN13Reader()
-{
-}
-CBC_OnedEAN13Reader::~CBC_OnedEAN13Reader()
-{
-}
-void CBC_OnedEAN13Reader::DetermineFirstDigit(CFX_ByteString &result, FX_INT32 lgPatternFound, FX_INT32 &e)
-{
-    for (FX_INT32 d = 0; d < 10; d++) {
-        if (lgPatternFound == FIRST_DIGIT_ENCODINGS[d]) {
-            result.Insert(0, (FX_CHAR) ('0' + d));
-            return;
-        }
-    }
-    e = BCExceptionNotFound;
-    BC_EXCEPTION_CHECK_ReturnVoid(e);
-}
-FX_INT32 CBC_OnedEAN13Reader::DecodeMiddle(CBC_CommonBitArray *row, CFX_Int32Array *startRange, CFX_ByteString &resultString, FX_INT32 &e)
-{
-    CFX_Int32Array counters;
-    counters.Add(0);
-    counters.Add(0);
-    counters.Add(0);
-    counters.Add(0);
-    FX_INT32 end = row->GetSize();
-    FX_INT32 rowOffset = (*startRange)[1];
-    FX_INT32 lgPatternFound = 0;
-    for (FX_INT32 x = 0; x < 6 && rowOffset < end; x++) {
-        FX_INT32 bestMatch = DecodeDigit(row, &counters, rowOffset, &(CBC_OneDimReader::L_AND_G_PATTERNS[0][0]), 20, e);
-        BC_EXCEPTION_CHECK_ReturnValue(e, 0);
-        resultString += (FX_CHAR) ('0' + bestMatch % 10);
-        for (FX_INT32 i = 0; i < counters.GetSize(); i++) {
-            rowOffset += counters[i];
-        }
-        if (bestMatch >= 10) {
-            lgPatternFound |= 1 << (5 - x);
-        }
-    }
-    DetermineFirstDigit(resultString, lgPatternFound, e);
-    BC_EXCEPTION_CHECK_ReturnValue(e, 0);
-    CFX_Int32Array result;
-    result.Add(CBC_OneDimReader::MIDDLE_PATTERN[0]);
-    result.Add(CBC_OneDimReader::MIDDLE_PATTERN[1]);
-    result.Add(CBC_OneDimReader::MIDDLE_PATTERN[2]);
-    result.Add(CBC_OneDimReader::MIDDLE_PATTERN[3]);
-    result.Add(CBC_OneDimReader::MIDDLE_PATTERN[4]);
-    CFX_Int32Array *middleRange = FindGuardPattern(row, rowOffset, TRUE, &result, e);
-    BC_EXCEPTION_CHECK_ReturnValue(e, 0);
-    rowOffset = (*middleRange)[1];
-    if(middleRange != NULL) {
-        delete middleRange;
-        middleRange = NULL;
-    }
-    for (FX_INT32 Y = 0; Y < 6 && rowOffset < end; Y++) {
-        FX_INT32 bestMatch = DecodeDigit(row, &counters, rowOffset, &(CBC_OneDimReader::L_PATTERNS[0][0]), 10, e);
-        BC_EXCEPTION_CHECK_ReturnValue(e, 0);
-        resultString += (FX_CHAR) ('0' + bestMatch);
-        for (FX_INT32 k = 0; k < counters.GetSize(); k++) {
-            rowOffset += counters[k];
-        }
-    }
-    return rowOffset;
-}