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// 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
#ifndef XFA_SRC_FXBARCODE_DATAMATRIX_BC_DATAMATRIXDECODEDBITSTREAMPARSER_H_
#define XFA_SRC_FXBARCODE_DATAMATRIX_BC_DATAMATRIXDECODEDBITSTREAMPARSER_H_
class CBC_CommonDecoderResult;
class CBC_CommonBitSource;
class CBC_DataMatrixDecodedBitStreamParser {
public:
CBC_DataMatrixDecodedBitStreamParser();
virtual ~CBC_DataMatrixDecodedBitStreamParser();
static CBC_CommonDecoderResult* Decode(CFX_ByteArray& bytes, int32_t& e);
private:
static int32_t DecodeAsciiSegment(CBC_CommonBitSource* bits,
CFX_ByteString& result,
CFX_ByteString& resultTrailer,
int32_t& e);
static void DecodeC40Segment(CBC_CommonBitSource* bits,
CFX_ByteString& result,
int32_t& e);
static void DecodeTextSegment(CBC_CommonBitSource* bits,
CFX_ByteString& result,
int32_t& e);
static void DecodeAnsiX12Segment(CBC_CommonBitSource* bits,
CFX_ByteString& result,
int32_t& e);
static void ParseTwoBytes(int32_t firstByte,
int32_t secondByte,
CFX_Int32Array& result);
static void DecodeEdifactSegment(CBC_CommonBitSource* bits,
CFX_ByteString& result,
int32_t& e);
static void DecodeBase256Segment(CBC_CommonBitSource* bits,
CFX_ByteString& result,
CFX_Int32Array& byteSegments,
int32_t& e);
static uint8_t Unrandomize255State(int32_t randomizedBase256Codeword,
int32_t base256CodewordPosition);
static const FX_CHAR C40_BASIC_SET_CHARS[];
static const FX_CHAR C40_SHIFT2_SET_CHARS[];
static const FX_CHAR TEXT_BASIC_SET_CHARS[];
static const FX_CHAR TEXT_SHIFT3_SET_CHARS[];
static const int32_t PAD_ENCODE;
static const int32_t ASCII_ENCODE;
static const int32_t C40_ENCODE;
static const int32_t TEXT_ENCODE;
static const int32_t ANSIX12_ENCODE;
static const int32_t EDIFACT_ENCODE;
static const int32_t BASE256_ENCODE;
};
#endif // XFA_SRC_FXBARCODE_DATAMATRIX_BC_DATAMATRIXDECODEDBITSTREAMPARSER_H_
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