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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 FXBARCODE_PDF417_BC_PDF417HIGHLEVELENCODER_H_
#define FXBARCODE_PDF417_BC_PDF417HIGHLEVELENCODER_H_
#include <vector>
#include "core/fxcrt/fx_string.h"
#include "fxbarcode/pdf417/BC_PDF417Compaction.h"
class CBC_PDF417HighLevelEncoder {
public:
static WideString encodeHighLevel(WideString msg,
Compaction compaction,
int32_t& e);
static void Inverse();
static void Initialize();
static void Finalize();
private:
static const int32_t TEXT_COMPACTION;
static const int32_t BYTE_COMPACTION;
static const int32_t NUMERIC_COMPACTION;
static const int32_t SUBMODE_PUNCTUATION;
static const int32_t LATCH_TO_TEXT;
static const int32_t LATCH_TO_BYTE_PADDED;
static const int32_t LATCH_TO_NUMERIC;
static const int32_t SHIFT_TO_BYTE;
static const int32_t LATCH_TO_BYTE;
static const uint8_t TEXT_MIXED_RAW[];
static const uint8_t TEXT_PUNCTUATION_RAW[];
static int32_t MIXED[128];
static int32_t PUNCTUATION[128];
static int32_t encodeText(WideString msg,
size_t startpos,
size_t count,
WideString& sb,
int32_t initialSubmode);
static void encodeBinary(std::vector<uint8_t>* bytes,
size_t startpos,
size_t count,
int32_t startmode,
WideString& sb);
static void encodeNumeric(WideString msg,
size_t startpos,
size_t count,
WideString& sb);
static bool isDigit(wchar_t ch);
static bool isAlphaUpper(wchar_t ch);
static bool isAlphaLower(wchar_t ch);
static bool isMixed(wchar_t ch);
static bool isPunctuation(wchar_t ch);
static bool isText(wchar_t ch);
static size_t determineConsecutiveDigitCount(WideString msg, size_t startpos);
static size_t determineConsecutiveTextCount(WideString msg, size_t startpos);
static Optional<size_t> determineConsecutiveBinaryCount(
WideString msg,
std::vector<uint8_t>* bytes,
size_t startpos);
friend class PDF417HighLevelEncoder_EncodeNumeric_Test;
friend class PDF417HighLevelEncoder_EncodeBinary_Test;
friend class PDF417HighLevelEncoder_EncodeText_Test;
friend class PDF417HighLevelEncoder_ConsecutiveDigitCount_Test;
friend class PDF417HighLevelEncoder_ConsecutiveTextCount_Test;
friend class PDF417HighLevelEncoder_ConsecutiveBinaryCount_Test;
};
#endif // FXBARCODE_PDF417_BC_PDF417HIGHLEVELENCODER_H_
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