code_device/hgdriver/ImageProcess/include/zxing/qrcode/decoder/DecodedBitStreamParser.h

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2.7 KiB
C++
Executable File

// -*- mode:c++; tab-width:2; indent-tabs-mode:nil; c-basic-offset:2 -*-
#ifndef __DECODED_BIT_STREAM_PARSER_H__
#define __DECODED_BIT_STREAM_PARSER_H__
/*
* DecodedBitStreamParser.h
* zxing
*
* Copyright 2010 ZXing authors All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <string>
#include <sstream>
#include <map>
#include <zxing/qrcode/decoder/Mode.h>
#include <zxing/common/BitSource.h>
#include <zxing/common/Counted.h>
#include <zxing/common/Array.h>
#include <zxing/common/DecoderResult.h>
#include <zxing/common/CharacterSetECI.h>
#include <zxing/DecodeHints.h>
namespace zxing {
namespace qrcode {
class DecodedBitStreamParser {
public:
typedef std::map<DecodeHintType, std::string> Hashtable;
private:
static char const ALPHANUMERIC_CHARS[];
static char toAlphaNumericChar(size_t value);
static void decodeHanziSegment(Ref<BitSource> bits, std::string& result, int count);
static void decodeKanjiSegment(Ref<BitSource> bits, std::string& result, int count);
static void decodeByteSegment(Ref<BitSource> bits, std::string& result, int count);
static void decodeByteSegment(Ref<BitSource> bits_,
std::string& result,
int count,
zxing::common::CharacterSetECI* currentCharacterSetECI,
ArrayRef< ArrayRef<char> >& byteSegments,
Hashtable const& hints);
static void decodeAlphanumericSegment(Ref<BitSource> bits, std::string& result, int count, bool fc1InEffect);
static void decodeNumericSegment(Ref<BitSource> bits, std::string& result, int count);
static void append(std::string& ost, const char* bufIn, size_t nIn, const char* src);
static void append(std::string& ost, std::string const& in, const char* src);
public:
static Ref<DecoderResult> decode(ArrayRef<char> bytes,
Version* version,
ErrorCorrectionLevel const& ecLevel,
Hashtable const& hints);
};
}
}
#endif // __DECODED_BIT_STREAM_PARSER_H__