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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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