You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
49 lines
1.3 KiB
49 lines
1.3 KiB
4 months ago
|
// 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_DATAMATRIX_BC_HIGHLEVELENCODER_H_
|
||
|
|
#define FXBARCODE_DATAMATRIX_BC_HIGHLEVELENCODER_H_
|
||
|
|
|
||
|
|
#include <vector>
|
||
|
|
|
||
|
|
#include "core/fxcrt/widestring.h"
|
||
|
|
|
||
|
|
class CBC_HighLevelEncoder {
|
||
|
|
public:
|
||
|
|
enum class Encoding : int8_t {
|
||
|
|
UNKNOWN = -1,
|
||
|
|
ASCII = 0,
|
||
|
|
C40,
|
||
|
|
TEXT,
|
||
|
|
X12,
|
||
|
|
EDIFACT,
|
||
|
|
BASE256,
|
||
|
|
LAST = BASE256,
|
||
|
|
};
|
||
|
|
|
||
|
|
CBC_HighLevelEncoder() = delete;
|
||
|
|
~CBC_HighLevelEncoder() = delete;
|
||
|
|
|
||
|
|
// Returns an empty string on failure.
|
||
|
|
static WideString EncodeHighLevel(const WideString& msg);
|
||
|
|
|
||
|
|
static Encoding LookAheadTest(const WideString& msg,
|
||
|
|
size_t startpos,
|
||
|
|
Encoding currentMode);
|
||
|
|
static bool IsExtendedASCII(wchar_t ch);
|
||
|
|
|
||
|
|
static const wchar_t LATCH_TO_C40 = 230;
|
||
|
|
static const wchar_t LATCH_TO_BASE256 = 231;
|
||
|
|
static const wchar_t UPPER_SHIFT = 235;
|
||
|
|
static const wchar_t LATCH_TO_ANSIX12 = 238;
|
||
|
|
static const wchar_t LATCH_TO_TEXT = 239;
|
||
|
|
static const wchar_t LATCH_TO_EDIFACT = 240;
|
||
|
|
static const wchar_t C40_UNLATCH = 254;
|
||
|
|
static const wchar_t X12_UNLATCH = 254;
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif // FXBARCODE_DATAMATRIX_BC_HIGHLEVELENCODER_H_
|