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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 _BC_DATAMATRIXDECODEDBITSTREAMPARSER_H_
#define _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);
const static FX_CHAR C40_BASIC_SET_CHARS[];
const static FX_CHAR C40_SHIFT2_SET_CHARS[];
const static FX_CHAR TEXT_BASIC_SET_CHARS[];
const static FX_CHAR TEXT_SHIFT3_SET_CHARS[];
const static int32_t PAD_ENCODE;
const static int32_t ASCII_ENCODE;
const static int32_t C40_ENCODE;
const static int32_t TEXT_ENCODE;
const static int32_t ANSIX12_ENCODE;
const static int32_t EDIFACT_ENCODE;
const static int32_t BASE256_ENCODE;
};
#endif
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