BC_PDF417HighLevelEncoder.h revision 33357cad1fd1321a2b38d2963e2585f27ce980a2 
1// Copyright 2014 PDFium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6
7#ifndef XFA_FXBARCODE_PDF417_BC_PDF417HIGHLEVELENCODER_H_
8#define XFA_FXBARCODE_PDF417_BC_PDF417HIGHLEVELENCODER_H_
9
10#include "core/fxcrt/fx_basic.h"
11#include "core/fxcrt/fx_string.h"
12#include "xfa/fxbarcode/pdf417/BC_PDF417Compaction.h"
13
14class CBC_PDF417HighLevelEncoder {
15 public:
16  static CFX_WideString encodeHighLevel(CFX_WideString msg,
17                                        Compaction compaction,
18                                        int32_t& e);
19  static void Inverse();
20  static void Initialize();
21  static void Finalize();
22
23 private:
24  static int32_t TEXT_COMPACTION;
25  static int32_t BYTE_COMPACTION;
26  static int32_t NUMERIC_COMPACTION;
27  static int32_t SUBMODE_PUNCTUATION;
28  static int32_t LATCH_TO_TEXT;
29  static int32_t LATCH_TO_BYTE_PADDED;
30  static int32_t LATCH_TO_NUMERIC;
31  static int32_t SHIFT_TO_BYTE;
32  static int32_t LATCH_TO_BYTE;
33  static uint8_t TEXT_MIXED_RAW[];
34  static uint8_t TEXT_PUNCTUATION_RAW[];
35  static int32_t MIXED[128];
36  static int32_t PUNCTUATION[128];
37  static int32_t encodeText(CFX_WideString msg,
38                            int32_t startpos,
39                            int32_t count,
40                            CFX_WideString& sb,
41                            int32_t initialSubmode);
42  static void encodeBinary(CFX_ArrayTemplate<uint8_t>* bytes,
43                           int32_t startpos,
44                           int32_t count,
45                           int32_t startmode,
46                           CFX_WideString& sb);
47  static void encodeNumeric(CFX_WideString msg,
48                            int32_t startpos,
49                            int32_t count,
50                            CFX_WideString& sb);
51  static bool isDigit(FX_WCHAR ch);
52  static bool isAlphaUpper(FX_WCHAR ch);
53  static bool isAlphaLower(FX_WCHAR ch);
54  static bool isMixed(FX_WCHAR ch);
55  static bool isPunctuation(FX_WCHAR ch);
56  static bool isText(FX_WCHAR ch);
57  static int32_t determineConsecutiveDigitCount(CFX_WideString msg,
58                                                int32_t startpos);
59  static int32_t determineConsecutiveTextCount(CFX_WideString msg,
60                                               int32_t startpos);
61  static int32_t determineConsecutiveBinaryCount(
62      CFX_WideString msg,
63      CFX_ArrayTemplate<uint8_t>* bytes,
64      int32_t startpos,
65      int32_t& e);
66
67  friend class PDF417HighLevelEncoder_EncodeNumeric_Test;
68  friend class PDF417HighLevelEncoder_EncodeBinary_Test;
69  friend class PDF417HighLevelEncoder_EncodeText_Test;
70  friend class PDF417HighLevelEncoder_ConsecutiveDigitCount_Test;
71  friend class PDF417HighLevelEncoder_ConsecutiveTextCount_Test;
72  friend class PDF417HighLevelEncoder_ConsecutiveBinaryCount_Test;
73};
74
75#endif  // XFA_FXBARCODE_PDF417_BC_PDF417HIGHLEVELENCODER_H_
76