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_SRC_FXBARCODE_PDF417_BC_PDF417HIGHLEVELENCODER_H_
8 #define XFA_SRC_FXBARCODE_PDF417_BC_PDF417HIGHLEVELENCODER_H_
9 
10 #include "core/include/fxcrt/fx_basic.h"
11 #include "core/include/fxcrt/fx_string.h"
12 #include "xfa/src/fxbarcode/pdf417/BC_PDF417Compaction.h"
13 
14 class 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_ByteArray* 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 FX_BOOL isDigit(FX_WCHAR ch);
52   static FX_BOOL isAlphaUpper(FX_WCHAR ch);
53   static FX_BOOL isAlphaLower(FX_WCHAR ch);
54   static FX_BOOL isMixed(FX_WCHAR ch);
55   static FX_BOOL isPunctuation(FX_WCHAR ch);
56   static FX_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(CFX_WideString msg,
62                                                  CFX_ByteArray* bytes,
63                                                  int32_t startpos,
64                                                  int32_t& e);
65 
66   friend class PDF417HighLevelEncoder_EncodeNumeric_Test;
67   friend class PDF417HighLevelEncoder_EncodeBinary_Test;
68   friend class PDF417HighLevelEncoder_EncodeText_Test;
69   friend class PDF417HighLevelEncoder_ConsecutiveDigitCount_Test;
70   friend class PDF417HighLevelEncoder_ConsecutiveTextCount_Test;
71   friend class PDF417HighLevelEncoder_ConsecutiveBinaryCount_Test;
72 };
73 
74 #endif  // XFA_SRC_FXBARCODE_PDF417_BC_PDF417HIGHLEVELENCODER_H_
75