chromium/third_party/pdfium/fxbarcode/datamatrix/BC_HighLevelEncoder.cpp

// Copyright 2014 The PDFium Authors
// 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
// Original code is licensed as follows:
/*
 * Copyright 2006-2007 Jeremias Maerki.
 *
 * 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 "fxbarcode/datamatrix/BC_HighLevelEncoder.h"

#include <algorithm>
#include <array>
#include <limits>
#include <memory>
#include <vector>

#include "core/fxcrt/check.h"
#include "core/fxcrt/fx_extension.h"
#include "fxbarcode/datamatrix/BC_ASCIIEncoder.h"
#include "fxbarcode/datamatrix/BC_Base256Encoder.h"
#include "fxbarcode/datamatrix/BC_C40Encoder.h"
#include "fxbarcode/datamatrix/BC_EdifactEncoder.h"
#include "fxbarcode/datamatrix/BC_Encoder.h"
#include "fxbarcode/datamatrix/BC_EncoderContext.h"
#include "fxbarcode/datamatrix/BC_SymbolInfo.h"
#include "fxbarcode/datamatrix/BC_TextEncoder.h"
#include "fxbarcode/datamatrix/BC_X12Encoder.h"

namespace {

const wchar_t kPad = …;
const wchar_t kMacro05 = …;
const wchar_t kMacro06 = …;
const wchar_t kMacro05Header[] = …;
const wchar_t kMacro06Header[] = …;
const wchar_t kMacroTrailer = …;

constexpr size_t kEncoderCount = …;
static_assert …;

wchar_t Randomize253State(wchar_t ch, int32_t codewordPosition) { … }

int32_t FindMinimums(const std::array<float, kEncoderCount>& charCounts,
                     std::array<int32_t, kEncoderCount>* intCharCounts,
                     std::array<uint8_t, kEncoderCount>* mins) { … }

int32_t GetMinimumCount(const std::array<uint8_t, kEncoderCount>& mins) { … }

bool IsNativeC40(wchar_t ch) { … }

bool IsNativeText(wchar_t ch) { … }

bool IsX12TermSep(wchar_t ch) { … }

bool IsNativeX12(wchar_t ch) { … }

bool IsNativeEDIFACT(wchar_t ch) { … }

size_t EncoderIndex(CBC_HighLevelEncoder::Encoding encoding) { … }

}  // namespace

// static
WideString CBC_HighLevelEncoder::EncodeHighLevel(const WideString& msg) { … }

// static
CBC_HighLevelEncoder::Encoding CBC_HighLevelEncoder::LookAheadTest(
    const WideString& msg,
    size_t startpos,
    CBC_HighLevelEncoder::Encoding currentMode) { … }

// static
bool CBC_HighLevelEncoder::IsExtendedASCII(wchar_t ch) { … }