diff options
Diffstat (limited to 'xfa/fxbarcode/datamatrix/BC_DataMatrixDecodedBitStreamParser.cpp')
| -rw-r--r-- | xfa/fxbarcode/datamatrix/BC_DataMatrixDecodedBitStreamParser.cpp | 473 |
1 files changed, 0 insertions, 473 deletions
diff --git a/xfa/fxbarcode/datamatrix/BC_DataMatrixDecodedBitStreamParser.cpp b/xfa/fxbarcode/datamatrix/BC_DataMatrixDecodedBitStreamParser.cpp deleted file mode 100644 index 292a1de2f7..0000000000 --- a/xfa/fxbarcode/datamatrix/BC_DataMatrixDecodedBitStreamParser.cpp +++ /dev/null @@ -1,473 +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 2008 ZXing authors - * - * 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 "xfa/fxbarcode/common/BC_CommonBitSource.h" -#include "xfa/fxbarcode/common/BC_CommonDecoderResult.h" -#include "xfa/fxbarcode/datamatrix/BC_DataMatrixDecodedBitStreamParser.h" - -const FX_CHAR CBC_DataMatrixDecodedBitStreamParser::C40_BASIC_SET_CHARS[] = { - '*', '*', '*', ' ', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', - 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', - 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z'}; -const FX_CHAR CBC_DataMatrixDecodedBitStreamParser::C40_SHIFT2_SET_CHARS[] = { - '!', '"', '#', '$', '%', '&', '\'', '(', ')', '*', '+', ',', '-', '.', - '/', ':', ';', '<', '=', '>', '?', '@', '[', '\\', ']', '^', '_'}; -const FX_CHAR CBC_DataMatrixDecodedBitStreamParser::TEXT_BASIC_SET_CHARS[] = { - '*', '*', '*', ' ', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', - 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', - 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z'}; -const FX_CHAR CBC_DataMatrixDecodedBitStreamParser::TEXT_SHIFT3_SET_CHARS[] = { - '\'', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', - 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', - 'V', 'W', 'X', 'Y', 'Z', '{', '|', '}', '~', 127}; -const int32_t CBC_DataMatrixDecodedBitStreamParser::PAD_ENCODE = 0; -const int32_t CBC_DataMatrixDecodedBitStreamParser::ASCII_ENCODE = 1; -const int32_t CBC_DataMatrixDecodedBitStreamParser::C40_ENCODE = 2; -const int32_t CBC_DataMatrixDecodedBitStreamParser::TEXT_ENCODE = 3; -const int32_t CBC_DataMatrixDecodedBitStreamParser::ANSIX12_ENCODE = 4; -const int32_t CBC_DataMatrixDecodedBitStreamParser::EDIFACT_ENCODE = 5; -const int32_t CBC_DataMatrixDecodedBitStreamParser::BASE256_ENCODE = 6; -CBC_DataMatrixDecodedBitStreamParser::CBC_DataMatrixDecodedBitStreamParser() {} -CBC_DataMatrixDecodedBitStreamParser::~CBC_DataMatrixDecodedBitStreamParser() {} - -CBC_CommonDecoderResult* CBC_DataMatrixDecodedBitStreamParser::Decode( - CFX_ByteArray& bytes, - int32_t& e) { - CBC_CommonBitSource bits(&bytes); - CFX_ByteString result; - CFX_ByteString resultTrailer; - CFX_Int32Array byteSegments; - int32_t mode = ASCII_ENCODE; - do { - if (mode == 1) { - mode = DecodeAsciiSegment(&bits, result, resultTrailer, e); - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - } else { - switch (mode) { - case 2: - DecodeC40Segment(&bits, result, e); - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - break; - case 3: - DecodeTextSegment(&bits, result, e); - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - break; - case 4: - DecodeAnsiX12Segment(&bits, result, e); - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - break; - case 5: - DecodeEdifactSegment(&bits, result, e); - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - break; - case 6: - DecodeBase256Segment(&bits, result, byteSegments, e); - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - break; - default: - e = BCExceptionFormatException; - return nullptr; - } - mode = ASCII_ENCODE; - } - } while (mode != PAD_ENCODE && bits.Available() > 0); - if (resultTrailer.GetLength() > 0) { - result += resultTrailer; - } - CBC_CommonDecoderResult* tempCp = new CBC_CommonDecoderResult(); - tempCp->Init(bytes, result, byteSegments, nullptr, e); - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - return tempCp; -} - -int32_t CBC_DataMatrixDecodedBitStreamParser::DecodeAsciiSegment( - CBC_CommonBitSource* bits, - CFX_ByteString& result, - CFX_ByteString& resultTrailer, - int32_t& e) { - FX_CHAR buffer[128]; - FX_BOOL upperShift = FALSE; - do { - int32_t oneByte = bits->ReadBits(8, e); - BC_EXCEPTION_CHECK_ReturnValue(e, 0); - if (oneByte == 0) { - e = BCExceptionFormatException; - return 0; - } else if (oneByte <= 128) { - oneByte = upperShift ? oneByte + 128 : oneByte; - upperShift = FALSE; - result += ((FX_CHAR)(oneByte - 1)); - return ASCII_ENCODE; - } else if (oneByte == 129) { - return PAD_ENCODE; - } else if (oneByte <= 229) { - int32_t value = oneByte - 130; - FXSYS_itoa(value, buffer, 10); - if (value < 10) { - result += '0'; - buffer[1] = '\0'; - } else { - buffer[2] = '\0'; - } - result += buffer; - } else if (oneByte == 230) { - return C40_ENCODE; - } else if (oneByte == 231) { - return BASE256_ENCODE; - } else if (oneByte == 232 || oneByte == 233 || oneByte == 234) { - } else if (oneByte == 235) { - upperShift = TRUE; - } else if (oneByte == 236) { - result += "[)>"; - result += 0x1E; - result += "05"; - result += 0x1D; - resultTrailer.Insert(0, 0x1E); - resultTrailer.Insert(0 + 1, 0x04); - } else if (oneByte == 237) { - result += "[)>"; - result += 0x1E; - result += "06"; - result += 0x1D; - resultTrailer.Insert(0, 0x1E); - resultTrailer.Insert(0 + 1, 0x04); - } else if (oneByte == 238) { - return ANSIX12_ENCODE; - } else if (oneByte == 239) { - return TEXT_ENCODE; - } else if (oneByte == 240) { - return EDIFACT_ENCODE; - } else if (oneByte == 241) { - } else if (oneByte >= 242) { - if (oneByte == 254 && bits->Available() == 0) { - } else { - e = BCExceptionFormatException; - return 0; - } - } - } while (bits->Available() > 0); - return ASCII_ENCODE; -} -void CBC_DataMatrixDecodedBitStreamParser::DecodeC40Segment( - CBC_CommonBitSource* bits, - CFX_ByteString& result, - int32_t& e) { - FX_BOOL upperShift = FALSE; - CFX_Int32Array cValues; - cValues.SetSize(3); - do { - if (bits->Available() == 8) { - return; - } - int32_t firstByte = bits->ReadBits(8, e); - BC_EXCEPTION_CHECK_ReturnVoid(e); - if (firstByte == 254) { - return; - } - int32_t tempp = bits->ReadBits(8, e); - BC_EXCEPTION_CHECK_ReturnVoid(e); - ParseTwoBytes(firstByte, tempp, cValues); - int32_t shift = 0; - int32_t i; - for (i = 0; i < 3; i++) { - int32_t cValue = cValues[i]; - switch (shift) { - case 0: - if (cValue < 3) { - shift = cValue + 1; - } else if (cValue < 27) { - FX_CHAR c40char = C40_BASIC_SET_CHARS[cValue]; - if (upperShift) { - result += (FX_CHAR)(c40char + 128); - upperShift = FALSE; - } else { - result += c40char; - } - } else { - e = BCExceptionFormatException; - return; - } - break; - case 1: - if (upperShift) { - result += (FX_CHAR)(cValue + 128); - upperShift = FALSE; - } else { - result += cValue; - } - shift = 0; - break; - case 2: - if (cValue < 27) { - FX_CHAR c40char = C40_SHIFT2_SET_CHARS[cValue]; - if (upperShift) { - result += (FX_CHAR)(c40char + 128); - upperShift = FALSE; - } else { - result += c40char; - } - } else if (cValue == 27) { - e = BCExceptionFormatException; - return; - } else if (cValue == 30) { - upperShift = TRUE; - } else { - e = BCExceptionFormatException; - return; - } - shift = 0; - break; - case 3: - if (upperShift) { - result += (FX_CHAR)(cValue + 224); - upperShift = FALSE; - } else { - result += (FX_CHAR)(cValue + 96); - } - shift = 0; - break; - default: - // Should never be reached. - e = BCExceptionFormatException; - return; - } - } - } while (bits->Available() > 0); -} -void CBC_DataMatrixDecodedBitStreamParser::DecodeTextSegment( - CBC_CommonBitSource* bits, - CFX_ByteString& result, - int32_t& e) { - FX_BOOL upperShift = FALSE; - CFX_Int32Array cValues; - cValues.SetSize(3); - int32_t shift = 0; - do { - if (bits->Available() == 8) { - return; - } - int32_t firstByte = bits->ReadBits(8, e); - BC_EXCEPTION_CHECK_ReturnVoid(e); - if (firstByte == 254) { - return; - } - int32_t inTp = bits->ReadBits(8, e); - BC_EXCEPTION_CHECK_ReturnVoid(e); - ParseTwoBytes(firstByte, inTp, cValues); - for (int32_t i = 0; i < 3; i++) { - int32_t cValue = cValues[i]; - switch (shift) { - case 0: - if (cValue < 3) { - shift = cValue + 1; - } else if (cValue < 40) { - FX_CHAR textChar = TEXT_BASIC_SET_CHARS[cValue]; - if (upperShift) { - result += (FX_CHAR)(textChar + 128); - upperShift = FALSE; - } else { - result += textChar; - } - } else { - e = BCExceptionFormatException; - return; - } - break; - case 1: - if (upperShift) { - result += (FX_CHAR)(cValue + 128); - upperShift = FALSE; - } else { - result += cValue; - } - shift = 0; - break; - case 2: - if (cValue < 27) { - FX_CHAR c40char = C40_SHIFT2_SET_CHARS[cValue]; - if (upperShift) { - result += (FX_CHAR)(c40char + 128); - upperShift = FALSE; - } else { - result += c40char; - } - } else if (cValue == 27) { - e = BCExceptionFormatException; - return; - } else if (cValue == 30) { - upperShift = TRUE; - } else { - e = BCExceptionFormatException; - return; - } - shift = 0; - break; - case 3: - if (cValue < 19) { - FX_CHAR textChar = TEXT_SHIFT3_SET_CHARS[cValue]; - if (upperShift) { - result += (FX_CHAR)(textChar + 128); - upperShift = FALSE; - } else { - result += textChar; - } - shift = 0; - } else { - e = BCExceptionFormatException; - return; - } - break; - default: - // Should never be reached. - e = BCExceptionFormatException; - return; - } - } - } while (bits->Available() > 0); -} -void CBC_DataMatrixDecodedBitStreamParser::DecodeAnsiX12Segment( - CBC_CommonBitSource* bits, - CFX_ByteString& result, - int32_t& e) { - CFX_Int32Array cValues; - cValues.SetSize(3); - do { - if (bits->Available() == 8) { - return; - } - int32_t firstByte = bits->ReadBits(8, e); - BC_EXCEPTION_CHECK_ReturnVoid(e); - if (firstByte == 254) { - return; - } - int32_t iTemp1 = bits->ReadBits(8, e); - BC_EXCEPTION_CHECK_ReturnVoid(e); - ParseTwoBytes(firstByte, iTemp1, cValues); - int32_t i; - for (i = 0; i < 3; i++) { - int32_t cValue = cValues[i]; - if (cValue == 0) { - BC_FX_ByteString_Append(result, 1, '\r'); - } else if (cValue == 1) { - BC_FX_ByteString_Append(result, 1, '*'); - } else if (cValue == 2) { - BC_FX_ByteString_Append(result, 1, '>'); - } else if (cValue == 3) { - BC_FX_ByteString_Append(result, 1, ' '); - } else if (cValue < 14) { - BC_FX_ByteString_Append(result, 1, (FX_CHAR)(cValue + 44)); - } else if (cValue < 40) { - BC_FX_ByteString_Append(result, 1, (FX_CHAR)(cValue + 51)); - } else { - e = BCExceptionFormatException; - return; - } - } - } while (bits->Available() > 0); -} -void CBC_DataMatrixDecodedBitStreamParser::ParseTwoBytes( - int32_t firstByte, - int32_t secondByte, - CFX_Int32Array& result) { - int32_t fullBitValue = (firstByte << 8) + secondByte - 1; - int32_t temp = fullBitValue / 1600; - result[0] = temp; - fullBitValue -= temp * 1600; - temp = fullBitValue / 40; - result[1] = temp; - result[2] = fullBitValue - temp * 40; -} - -void CBC_DataMatrixDecodedBitStreamParser::DecodeEdifactSegment( - CBC_CommonBitSource* bits, - CFX_ByteString& result, - int32_t& e) { - FX_CHAR buffer[128]; - FX_BOOL unlatch = FALSE; - do { - if (bits->Available() <= 16) - return; - - for (int32_t i = 0; i < 4; i++) { - int32_t edifactValue = bits->ReadBits(6, e); - BC_EXCEPTION_CHECK_ReturnVoid(e); - if (edifactValue == 0x1F) - unlatch = TRUE; - - if (!unlatch) { - if ((edifactValue & 32) == 0) - edifactValue |= 64; - result += FXSYS_itoa(edifactValue, buffer, 10); - } - } - } while (!unlatch && bits->Available() > 0); -} - -void CBC_DataMatrixDecodedBitStreamParser::DecodeBase256Segment( - CBC_CommonBitSource* bits, - CFX_ByteString& result, - CFX_Int32Array& byteSegments, - int32_t& e) { - int32_t codewordPosition = 1 + bits->getByteOffset(); - int32_t iTmp = bits->ReadBits(8, e); - BC_EXCEPTION_CHECK_ReturnVoid(e); - int32_t d1 = Unrandomize255State(iTmp, codewordPosition++); - int32_t count; - if (d1 == 0) { - count = bits->Available() / 8; - } else if (d1 < 250) { - count = d1; - } else { - int32_t iTmp3 = bits->ReadBits(8, e); - BC_EXCEPTION_CHECK_ReturnVoid(e); - count = 250 * (d1 - 249) + Unrandomize255State(iTmp3, codewordPosition++); - } - if (count < 0) { - e = BCExceptionFormatException; - return; - } - CFX_ByteArray* bytes = new CFX_ByteArray(); - bytes->SetSize(count); - int32_t i; - for (i = 0; i < count; i++) { - if (bits->Available() < 8) { - e = BCExceptionFormatException; - delete bytes; - return; - } - int32_t iTemp5 = bits->ReadBits(8, e); - if (e != BCExceptionNO) { - delete bytes; - return; - } - bytes->SetAt(i, Unrandomize255State(iTemp5, codewordPosition++)); - } - BC_FX_ByteString_Append(result, *bytes); - delete bytes; -} -uint8_t CBC_DataMatrixDecodedBitStreamParser::Unrandomize255State( - int32_t randomizedBase256Codeword, - int32_t base256CodewordPosition) { - int32_t pseudoRandomNumber = ((149 * base256CodewordPosition) % 255) + 1; - int32_t tempVariable = randomizedBase256Codeword - pseudoRandomNumber; - return (uint8_t)(tempVariable >= 0 ? tempVariable : tempVariable + 256); -} |