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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_DATAMATRIX_BC_DATAMATRIXDECODEDBITSTREAMPARSER_H_ | |
8 #define XFA_SRC_FXBARCODE_DATAMATRIX_BC_DATAMATRIXDECODEDBITSTREAMPARSER_H_ | |
9 class CBC_CommonDecoderResult; | |
10 class CBC_CommonBitSource; | |
11 class CBC_DataMatrixDecodedBitStreamParser { | |
12 public: | |
13 CBC_DataMatrixDecodedBitStreamParser(); | |
14 virtual ~CBC_DataMatrixDecodedBitStreamParser(); | |
15 static CBC_CommonDecoderResult* Decode(CFX_ByteArray& bytes, int32_t& e); | |
16 | |
17 private: | |
18 static int32_t DecodeAsciiSegment(CBC_CommonBitSource* bits, | |
19 CFX_ByteString& result, | |
20 CFX_ByteString& resultTrailer, | |
21 int32_t& e); | |
22 static void DecodeC40Segment(CBC_CommonBitSource* bits, | |
23 CFX_ByteString& result, | |
24 int32_t& e); | |
25 static void DecodeTextSegment(CBC_CommonBitSource* bits, | |
26 CFX_ByteString& result, | |
27 int32_t& e); | |
28 static void DecodeAnsiX12Segment(CBC_CommonBitSource* bits, | |
29 CFX_ByteString& result, | |
30 int32_t& e); | |
31 static void ParseTwoBytes(int32_t firstByte, | |
32 int32_t secondByte, | |
33 CFX_Int32Array& result); | |
34 static void DecodeEdifactSegment(CBC_CommonBitSource* bits, | |
35 CFX_ByteString& result, | |
36 int32_t& e); | |
37 static void DecodeBase256Segment(CBC_CommonBitSource* bits, | |
38 CFX_ByteString& result, | |
39 CFX_Int32Array& byteSegments, | |
40 int32_t& e); | |
41 static uint8_t Unrandomize255State(int32_t randomizedBase256Codeword, | |
42 int32_t base256CodewordPosition); | |
43 | |
44 static const FX_CHAR C40_BASIC_SET_CHARS[]; | |
45 static const FX_CHAR C40_SHIFT2_SET_CHARS[]; | |
46 | |
47 static const FX_CHAR TEXT_BASIC_SET_CHARS[]; | |
48 static const FX_CHAR TEXT_SHIFT3_SET_CHARS[]; | |
49 static const int32_t PAD_ENCODE; | |
50 static const int32_t ASCII_ENCODE; | |
51 static const int32_t C40_ENCODE; | |
52 static const int32_t TEXT_ENCODE; | |
53 static const int32_t ANSIX12_ENCODE; | |
54 static const int32_t EDIFACT_ENCODE; | |
55 static const int32_t BASE256_ENCODE; | |
56 }; | |
57 | |
58 #endif // XFA_SRC_FXBARCODE_DATAMATRIX_BC_DATAMATRIXDECODEDBITSTREAMPARSER_H_ | |
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