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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_QRDECODEDBITSTREAMPARSER_H_
#define _BC_QRDECODEDBITSTREAMPARSER_H_
class CBC_CommonDecoderResult;
class CBC_QRCoderErrorCorrectionLevel;
class CBC_CommonBitSource;
class CBC_QRCoderVersion;
class CBC_CommonCharacterSetECI;
class CBC_QRDecodedBitStreamParser
{
private:
const static FX_CHAR ALPHANUMERIC_CHARS[45];
static const FX_CHAR* UTF_8;
CBC_QRDecodedBitStreamParser();
public:
virtual ~CBC_QRDecodedBitStreamParser();
static CBC_CommonDecoderResult* Decode(CFX_ByteArray *bytes, CBC_QRCoderVersion *version,
CBC_QRCoderErrorCorrectionLevel* ecLevel, int32_t byteModeDecode, int32_t &e);
static const CFX_ByteString GuessEncoding(CFX_ByteArray* bytes);
static int32_t ParseECIValue(CBC_CommonBitSource* bits, int32_t &e);
static void DecodeGBKSegment(CBC_CommonBitSource* bits, CFX_ByteString &result, int32_t count, int32_t &e);
static void DecodeKanjiSegment(CBC_CommonBitSource* bits, CFX_ByteString &result, int32_t count, int32_t &e);
static void DecodeNumericSegment(CBC_CommonBitSource* bits, CFX_ByteString &result, int32_t count, int32_t &e);
static void DecodeAlphanumericSegment(CBC_CommonBitSource* bits, CFX_ByteString &result, int32_t count, FX_BOOL fac1InEffect, int32_t &e);
static void DecodeByteSegment(CBC_CommonBitSource* bits, CFX_ByteString &result, int32_t count, CBC_CommonCharacterSetECI *currentCharacterSetECI,
CFX_Int32Array *byteSegments, int32_t byteModeDecode, int32_t &e);
};
#endif
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