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Unified Diff: xfa/src/fxbarcode/datamatrix/BC_DataMatrixDecodedBitStreamParser.cpp

Issue 1803723002: Move xfa/src up to xfa/. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master
Patch Set: Rebase to master Created 4 years, 9 months ago
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Index: xfa/src/fxbarcode/datamatrix/BC_DataMatrixDecodedBitStreamParser.cpp
diff --git a/xfa/src/fxbarcode/datamatrix/BC_DataMatrixDecodedBitStreamParser.cpp b/xfa/src/fxbarcode/datamatrix/BC_DataMatrixDecodedBitStreamParser.cpp
deleted file mode 100644
index f378fff05d633e6e660871197d2ef8b6d824813d..0000000000000000000000000000000000000000
--- a/xfa/src/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/src/fxbarcode/common/BC_CommonBitSource.h"
-#include "xfa/src/fxbarcode/common/BC_CommonDecoderResult.h"
-#include "xfa/src/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', '{', '|', '}', '~', (FX_CHAR)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, NULL);
- } else {
- switch (mode) {
- case 2:
- DecodeC40Segment(&bits, result, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- break;
- case 3:
- DecodeTextSegment(&bits, result, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- break;
- case 4:
- DecodeAnsiX12Segment(&bits, result, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- break;
- case 5:
- DecodeEdifactSegment(&bits, result, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- break;
- case 6:
- DecodeBase256Segment(&bits, result, byteSegments, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- break;
- default:
- e = BCExceptionFormatException;
- return NULL;
- }
- 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.GetSize() <= 0) ? CFX_Int32Array() : byteSegments,
- NULL, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- 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:
- break;
- 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:
- break;
- 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);
-}
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