Move xfa/src up to xfa/.

This CL moves the xfa/src files up to the xfa/ directory and fixes the includes,
include guards, and build files.

R=tsepez@chromium.org

Review URL: https://codereview.chromium.org/1803723002 .

1 files changed, 473 insertions, 0 deletions

diff --git a/xfa/fxbarcode/datamatrix/BC_DataMatrixDecodedBitStreamParser.cpp b/xfa/fxbarcode/datamatrix/BC_DataMatrixDecodedBitStreamParser.cpp
new file mode 100644
index 0000000000..693b6b9209
--- /dev/null
+++ b/xfa/fxbarcode/datamatrix/BC_DataMatrixDecodedBitStreamParser.cpp
@@ -0,0 +1,473 @@
+// 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', '{', '|', '}', '~', (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);
+}