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