diff options
Diffstat (limited to 'xfa/fxbarcode/datamatrix/BC_HighLevelEncoder.cpp')
| -rw-r--r-- | xfa/fxbarcode/datamatrix/BC_HighLevelEncoder.cpp | 360 |
1 files changed, 0 insertions, 360 deletions
diff --git a/xfa/fxbarcode/datamatrix/BC_HighLevelEncoder.cpp b/xfa/fxbarcode/datamatrix/BC_HighLevelEncoder.cpp deleted file mode 100644 index 3ece55f2e9..0000000000 --- a/xfa/fxbarcode/datamatrix/BC_HighLevelEncoder.cpp +++ /dev/null @@ -1,360 +0,0 @@ -// 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 -// 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 <limits> -#include <memory> -#include <vector> - -#include "xfa/fxbarcode/BC_Dimension.h" -#include "xfa/fxbarcode/BC_UtilCodingConvert.h" -#include "xfa/fxbarcode/common/BC_CommonBitMatrix.h" -#include "xfa/fxbarcode/datamatrix/BC_ASCIIEncoder.h" -#include "xfa/fxbarcode/datamatrix/BC_Base256Encoder.h" -#include "xfa/fxbarcode/datamatrix/BC_C40Encoder.h" -#include "xfa/fxbarcode/datamatrix/BC_EdifactEncoder.h" -#include "xfa/fxbarcode/datamatrix/BC_Encoder.h" -#include "xfa/fxbarcode/datamatrix/BC_EncoderContext.h" -#include "xfa/fxbarcode/datamatrix/BC_HighLevelEncoder.h" -#include "xfa/fxbarcode/datamatrix/BC_SymbolInfo.h" -#include "xfa/fxbarcode/datamatrix/BC_SymbolShapeHint.h" -#include "xfa/fxbarcode/datamatrix/BC_TextEncoder.h" -#include "xfa/fxbarcode/datamatrix/BC_X12Encoder.h" -#include "xfa/fxbarcode/utils.h" - -wchar_t CBC_HighLevelEncoder::LATCH_TO_C40 = 230; -wchar_t CBC_HighLevelEncoder::LATCH_TO_BASE256 = 231; -wchar_t CBC_HighLevelEncoder::UPPER_SHIFT = 235; -wchar_t CBC_HighLevelEncoder::LATCH_TO_ANSIX12 = 238; -wchar_t CBC_HighLevelEncoder::LATCH_TO_TEXT = 239; -wchar_t CBC_HighLevelEncoder::LATCH_TO_EDIFACT = 240; -wchar_t CBC_HighLevelEncoder::C40_UNLATCH = 254; -wchar_t CBC_HighLevelEncoder::X12_UNLATCH = 254; -wchar_t CBC_HighLevelEncoder::PAD = 129; -wchar_t CBC_HighLevelEncoder::MACRO_05 = 236; -wchar_t CBC_HighLevelEncoder::MACRO_06 = 237; -const wchar_t* CBC_HighLevelEncoder::MACRO_05_HEADER = L"[)> 05"; -const wchar_t* CBC_HighLevelEncoder::MACRO_06_HEADER = L"[)> 06"; -const wchar_t CBC_HighLevelEncoder::MACRO_TRAILER = 0x0004; - -CBC_HighLevelEncoder::CBC_HighLevelEncoder() {} -CBC_HighLevelEncoder::~CBC_HighLevelEncoder() {} - -std::vector<uint8_t>& CBC_HighLevelEncoder::getBytesForMessage( - CFX_WideString msg) { - CFX_ByteString bytestr; - CBC_UtilCodingConvert::UnicodeToUTF8(msg, bytestr); - for (int32_t i = 0; i < bytestr.GetLength(); i++) - m_bytearray.push_back(bytestr.GetAt(i)); - return m_bytearray; -} -CFX_WideString CBC_HighLevelEncoder::encodeHighLevel(CFX_WideString msg, - CFX_WideString ecLevel, - int32_t& e) { - return encodeHighLevel(msg, ecLevel, FORCE_NONE, nullptr, nullptr, e); -} -CFX_WideString CBC_HighLevelEncoder::encodeHighLevel(CFX_WideString msg, - CFX_WideString ecLevel, - SymbolShapeHint shape, - CBC_Dimension* minSize, - CBC_Dimension* maxSize, - int32_t& e) { - CBC_EncoderContext context(msg, ecLevel, e); - if (e != BCExceptionNO) - return CFX_WideString(); - context.setSymbolShape(shape); - context.setSizeConstraints(minSize, maxSize); - if ((msg.Mid(0, 6) == MACRO_05_HEADER) && - (msg.Mid(msg.GetLength() - 1, 1) == MACRO_TRAILER)) { - context.writeCodeword(MACRO_05); - context.setSkipAtEnd(2); - context.m_pos += 6; - } else if ((msg.Mid(0, 6) == MACRO_06_HEADER) && - (msg.Mid(msg.GetLength() - 1, 1) == MACRO_TRAILER)) { - context.writeCodeword(MACRO_06); - context.setSkipAtEnd(2); - context.m_pos += 6; - } - - std::vector<std::unique_ptr<CBC_Encoder>> encoders; - encoders.push_back(std::unique_ptr<CBC_Encoder>(new CBC_ASCIIEncoder())); - encoders.push_back(std::unique_ptr<CBC_Encoder>(new CBC_C40Encoder())); - encoders.push_back(std::unique_ptr<CBC_Encoder>(new CBC_TextEncoder())); - encoders.push_back(std::unique_ptr<CBC_Encoder>(new CBC_X12Encoder())); - encoders.push_back(std::unique_ptr<CBC_Encoder>(new CBC_EdifactEncoder())); - encoders.push_back(std::unique_ptr<CBC_Encoder>(new CBC_Base256Encoder())); - int32_t encodingMode = ASCII_ENCODATION; - while (context.hasMoreCharacters()) { - encoders[encodingMode]->Encode(context, e); - if (e != BCExceptionNO) - return L""; - - if (context.m_newEncoding >= 0) { - encodingMode = context.m_newEncoding; - context.resetEncoderSignal(); - } - } - int32_t len = context.m_codewords.GetLength(); - context.updateSymbolInfo(e); - if (e != BCExceptionNO) - return L""; - - int32_t capacity = context.m_symbolInfo->m_dataCapacity; - if (len < capacity) { - if (encodingMode != ASCII_ENCODATION && - encodingMode != BASE256_ENCODATION) { - context.writeCodeword(0x00fe); - } - } - CFX_WideString codewords = context.m_codewords; - if (codewords.GetLength() < capacity) { - codewords += PAD; - } - while (codewords.GetLength() < capacity) { - codewords += (randomize253State(PAD, codewords.GetLength() + 1)); - } - return codewords; -} -int32_t CBC_HighLevelEncoder::lookAheadTest(CFX_WideString msg, - int32_t startpos, - int32_t currentMode) { - if (startpos >= msg.GetLength()) { - return currentMode; - } - std::vector<float> charCounts; - if (currentMode == ASCII_ENCODATION) { - charCounts.push_back(0); - charCounts.push_back(1); - charCounts.push_back(1); - charCounts.push_back(1); - charCounts.push_back(1); - charCounts.push_back(1.25f); - } else { - charCounts.push_back(1); - charCounts.push_back(2); - charCounts.push_back(2); - charCounts.push_back(2); - charCounts.push_back(2); - charCounts.push_back(2.25f); - charCounts[currentMode] = 0; - } - int32_t charsProcessed = 0; - while (true) { - if ((startpos + charsProcessed) == msg.GetLength()) { - int32_t min = std::numeric_limits<int32_t>::max(); - std::vector<uint8_t> mins(6); - std::vector<int32_t> intCharCounts(6); - min = findMinimums(charCounts, intCharCounts, min, mins); - int32_t minCount = getMinimumCount(mins); - if (intCharCounts[ASCII_ENCODATION] == min) { - return ASCII_ENCODATION; - } - if (minCount == 1 && mins[BASE256_ENCODATION] > 0) { - return BASE256_ENCODATION; - } - if (minCount == 1 && mins[EDIFACT_ENCODATION] > 0) { - return EDIFACT_ENCODATION; - } - if (minCount == 1 && mins[TEXT_ENCODATION] > 0) { - return TEXT_ENCODATION; - } - if (minCount == 1 && mins[X12_ENCODATION] > 0) { - return X12_ENCODATION; - } - return C40_ENCODATION; - } - wchar_t c = msg.GetAt(startpos + charsProcessed); - charsProcessed++; - if (isDigit(c)) { - charCounts[ASCII_ENCODATION] += 0.5; - } else if (isExtendedASCII(c)) { - charCounts[ASCII_ENCODATION] = (float)ceil(charCounts[ASCII_ENCODATION]); - charCounts[ASCII_ENCODATION] += 2; - } else { - charCounts[ASCII_ENCODATION] = (float)ceil(charCounts[ASCII_ENCODATION]); - charCounts[ASCII_ENCODATION]++; - } - if (isNativeC40(c)) { - charCounts[C40_ENCODATION] += 2.0f / 3.0f; - } else if (isExtendedASCII(c)) { - charCounts[C40_ENCODATION] += 8.0f / 3.0f; - } else { - charCounts[C40_ENCODATION] += 4.0f / 3.0f; - } - if (isNativeText(c)) { - charCounts[TEXT_ENCODATION] += 2.0f / 3.0f; - } else if (isExtendedASCII(c)) { - charCounts[TEXT_ENCODATION] += 8.0f / 3.0f; - } else { - charCounts[TEXT_ENCODATION] += 4.0f / 3.0f; - } - if (isNativeX12(c)) { - charCounts[X12_ENCODATION] += 2.0f / 3.0f; - } else if (isExtendedASCII(c)) { - charCounts[X12_ENCODATION] += 13.0f / 3.0f; - } else { - charCounts[X12_ENCODATION] += 10.0f / 3.0f; - } - if (isNativeEDIFACT(c)) { - charCounts[EDIFACT_ENCODATION] += 3.0f / 4.0f; - } else if (isExtendedASCII(c)) { - charCounts[EDIFACT_ENCODATION] += 17.0f / 4.0f; - } else { - charCounts[EDIFACT_ENCODATION] += 13.0f / 4.0f; - } - if (isSpecialB256(c)) { - charCounts[BASE256_ENCODATION] += 4; - } else { - charCounts[BASE256_ENCODATION]++; - } - if (charsProcessed >= 4) { - std::vector<int32_t> intCharCounts(6); - std::vector<uint8_t> mins(6); - findMinimums(charCounts, intCharCounts, - std::numeric_limits<int32_t>::max(), mins); - int32_t minCount = getMinimumCount(mins); - if (intCharCounts[ASCII_ENCODATION] < intCharCounts[BASE256_ENCODATION] && - intCharCounts[ASCII_ENCODATION] < intCharCounts[C40_ENCODATION] && - intCharCounts[ASCII_ENCODATION] < intCharCounts[TEXT_ENCODATION] && - intCharCounts[ASCII_ENCODATION] < intCharCounts[X12_ENCODATION] && - intCharCounts[ASCII_ENCODATION] < intCharCounts[EDIFACT_ENCODATION]) { - return ASCII_ENCODATION; - } - if (intCharCounts[BASE256_ENCODATION] < intCharCounts[ASCII_ENCODATION] || - (mins[C40_ENCODATION] + mins[TEXT_ENCODATION] + mins[X12_ENCODATION] + - mins[EDIFACT_ENCODATION]) == 0) { - return BASE256_ENCODATION; - } - if (minCount == 1 && mins[EDIFACT_ENCODATION] > 0) { - return EDIFACT_ENCODATION; - } - if (minCount == 1 && mins[TEXT_ENCODATION] > 0) { - return TEXT_ENCODATION; - } - if (minCount == 1 && mins[X12_ENCODATION] > 0) { - return X12_ENCODATION; - } - if (intCharCounts[C40_ENCODATION] + 1 < intCharCounts[ASCII_ENCODATION] && - intCharCounts[C40_ENCODATION] + 1 < - intCharCounts[BASE256_ENCODATION] && - intCharCounts[C40_ENCODATION] + 1 < - intCharCounts[EDIFACT_ENCODATION] && - intCharCounts[C40_ENCODATION] + 1 < intCharCounts[TEXT_ENCODATION]) { - if (intCharCounts[C40_ENCODATION] < intCharCounts[X12_ENCODATION]) { - return C40_ENCODATION; - } - if (intCharCounts[C40_ENCODATION] == intCharCounts[X12_ENCODATION]) { - int32_t p = startpos + charsProcessed + 1; - while (p < msg.GetLength()) { - wchar_t tc = msg.GetAt(p); - if (isX12TermSep(tc)) { - return X12_ENCODATION; - } - if (!isNativeX12(tc)) { - break; - } - p++; - } - return C40_ENCODATION; - } - } - } - } -} -bool CBC_HighLevelEncoder::isDigit(wchar_t ch) { - return ch >= '0' && ch <= '9'; -} -bool CBC_HighLevelEncoder::isExtendedASCII(wchar_t ch) { - return ch >= 128 && ch <= 255; -} -int32_t CBC_HighLevelEncoder::determineConsecutiveDigitCount(CFX_WideString msg, - int32_t startpos) { - int32_t count = 0; - int32_t len = msg.GetLength(); - int32_t idx = startpos; - if (idx < len) { - wchar_t ch = msg.GetAt(idx); - while (isDigit(ch) && idx < len) { - count++; - idx++; - if (idx < len) { - ch = msg.GetAt(idx); - } - } - } - return count; -} -void CBC_HighLevelEncoder::illegalCharacter(wchar_t c, int32_t& e) { - e = BCExceptionIllegalArgument; -} -wchar_t CBC_HighLevelEncoder::randomize253State(wchar_t ch, - int32_t codewordPosition) { - int32_t pseudoRandom = ((149 * codewordPosition) % 253) + 1; - int32_t tempVariable = ch + pseudoRandom; - return tempVariable <= 254 ? (wchar_t)tempVariable - : (wchar_t)(tempVariable - 254); -} -int32_t CBC_HighLevelEncoder::findMinimums(std::vector<float>& charCounts, - std::vector<int32_t>& intCharCounts, - int32_t min, - std::vector<uint8_t>& mins) { - for (size_t l = 0; l < mins.size(); l++) - mins[l] = 0; - - for (size_t i = 0; i < 6; i++) { - intCharCounts[i] = static_cast<int32_t>(ceil(charCounts[i])); - int32_t current = intCharCounts[i]; - if (min > current) { - min = current; - for (size_t j = 0; j < mins.size(); j++) - mins[j] = 0; - } - if (min == current) - mins[i]++; - } - return min; -} -int32_t CBC_HighLevelEncoder::getMinimumCount(std::vector<uint8_t>& mins) { - int32_t minCount = 0; - for (int32_t i = 0; i < 6; i++) { - minCount += mins[i]; - } - return minCount; -} -bool CBC_HighLevelEncoder::isNativeC40(wchar_t ch) { - return (ch == ' ') || (ch >= '0' && ch <= '9') || (ch >= 'A' && ch <= 'Z'); -} -bool CBC_HighLevelEncoder::isNativeText(wchar_t ch) { - return (ch == ' ') || (ch >= '0' && ch <= '9') || (ch >= 'a' && ch <= 'z'); -} -bool CBC_HighLevelEncoder::isNativeX12(wchar_t ch) { - return isX12TermSep(ch) || (ch == ' ') || (ch >= '0' && ch <= '9') || - (ch >= 'A' && ch <= 'Z'); -} -bool CBC_HighLevelEncoder::isX12TermSep(wchar_t ch) { - return (ch == '\r') || (ch == '*') || (ch == '>'); -} -bool CBC_HighLevelEncoder::isNativeEDIFACT(wchar_t ch) { - return ch >= ' ' && ch <= '^'; -} -bool CBC_HighLevelEncoder::isSpecialB256(wchar_t ch) { - return false; -} |