Remove barcode reading code.

We never read barcodes, we only write them. Remove code related to barcode
reading.

Review-Url: https://codereview.chromium.org/2071633002

1 files changed, 0 insertions, 273 deletions

diff --git a/xfa/fxbarcode/qrcode/BC_QRDecodedBitStreamParser.cpp b/xfa/fxbarcode/qrcode/BC_QRDecodedBitStreamParser.cpp
deleted file mode 100644
index 062b326bd7..0000000000
--- a/xfa/fxbarcode/qrcode/BC_QRDecodedBitStreamParser.cpp
+++ /dev/null
@@ -1,273 +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 2007 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/BC_UtilCodingConvert.h"
-#include "xfa/fxbarcode/common/BC_CommonBitSource.h"
-#include "xfa/fxbarcode/common/BC_CommonCharacterSetECI.h"
-#include "xfa/fxbarcode/common/BC_CommonDecoderResult.h"
-#include "xfa/fxbarcode/common/BC_CommonECI.h"
-#include "xfa/fxbarcode/qrcode/BC_QRCoderMode.h"
-#include "xfa/fxbarcode/qrcode/BC_QRDecodedBitStreamParser.h"
-
-const FX_CHAR* CBC_QRDecodedBitStreamParser::UTF_8 = "utf8";
-const FX_CHAR CBC_QRDecodedBitStreamParser::ALPHANUMERIC_CHARS[45] = {
-    '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', ' ', '$', '%', '*', '+', '-', '.', '/', ':'};
-
-CBC_QRDecodedBitStreamParser::CBC_QRDecodedBitStreamParser() {}
-CBC_QRDecodedBitStreamParser::~CBC_QRDecodedBitStreamParser() {}
-CBC_CommonDecoderResult* CBC_QRDecodedBitStreamParser::Decode(
-    CFX_ByteArray* bytes,
-    CBC_QRCoderVersion* version,
-    CBC_QRCoderErrorCorrectionLevel* ecLevel,
-    int32_t byteModeDecode,
-    int32_t& e) {
-  CBC_CommonBitSource bits(bytes);
-  CFX_ByteString result;
-  CBC_CommonCharacterSetECI* currentCharacterSetECI = nullptr;
-  FX_BOOL fc1Infact = FALSE;
-  CFX_Int32Array byteSegments;
-  CBC_QRCoderMode* mode = nullptr;
-  do {
-    if (bits.Available() < 4) {
-      mode = CBC_QRCoderMode::sTERMINATOR;
-    } else {
-      int32_t iTemp1 = bits.ReadBits(4, e);
-      BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-      mode = CBC_QRCoderMode::ForBits(iTemp1, e);
-      BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-      if (!mode) {
-        e = BCExceptionUnSupportMode;
-        BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-      }
-    }
-    if (!(mode == CBC_QRCoderMode::sTERMINATOR)) {
-      if (mode == CBC_QRCoderMode::sFNC1_FIRST_POSITION ||
-          mode == CBC_QRCoderMode::sFNC1_SECOND_POSITION) {
-        fc1Infact = TRUE;
-      } else if (mode == CBC_QRCoderMode::sSTRUCTURED_APPEND) {
-        bits.ReadBits(16, e);
-        BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-      } else if (mode == CBC_QRCoderMode::sECI) {
-        int32_t value = ParseECIValue(&bits, e);
-        BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-        currentCharacterSetECI =
-            CBC_CommonCharacterSetECI::GetCharacterSetECIByValue(value);
-      } else {
-        if (mode == CBC_QRCoderMode::sGBK) {
-          bits.ReadBits(4, e);
-          BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-        }
-        int32_t numBits = mode->GetCharacterCountBits(version, e);
-        BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-        int32_t count = bits.ReadBits(numBits, e);
-        BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-        if (mode == CBC_QRCoderMode::sNUMERIC) {
-          DecodeNumericSegment(&bits, result, count, e);
-          BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-        } else if (mode == CBC_QRCoderMode::sALPHANUMERIC) {
-          DecodeAlphanumericSegment(&bits, result, count, fc1Infact, e);
-          BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-        } else if (mode == CBC_QRCoderMode::sBYTE) {
-          DecodeByteSegment(&bits, result, count, currentCharacterSetECI,
-                            &byteSegments, byteModeDecode, e);
-          BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-        } else if (mode == CBC_QRCoderMode::sGBK) {
-          DecodeGBKSegment(&bits, result, count, e);
-          BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-        } else if (mode == CBC_QRCoderMode::sKANJI) {
-          DecodeKanjiSegment(&bits, result, count, e);
-          BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-        } else {
-          e = BCExceptionUnSupportMode;
-          BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-        }
-      }
-    }
-  } while (!(mode == CBC_QRCoderMode::sTERMINATOR));
-  CBC_CommonDecoderResult* tempCd = new CBC_CommonDecoderResult();
-  tempCd->Init(*bytes, result, byteSegments, ecLevel, e);
-  BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
-  return tempCd;
-}
-void CBC_QRDecodedBitStreamParser::DecodeGBKSegment(CBC_CommonBitSource* bits,
-                                                    CFX_ByteString& result,
-                                                    int32_t count,
-                                                    int32_t& e) {
-  CFX_ByteString buffer;
-  while (count > 0) {
-    int32_t twoBytes = bits->ReadBits(13, e);
-    BC_EXCEPTION_CHECK_ReturnVoid(e);
-    int32_t assembledTwoBytes = ((twoBytes / 0x060) << 8) | (twoBytes % 0x060);
-    if (assembledTwoBytes <= 0x0095d) {
-      assembledTwoBytes += 0x0a1a1;
-    } else {
-      assembledTwoBytes += 0x0a6a1;
-    }
-    buffer += (uint8_t)(assembledTwoBytes >> 8);
-    buffer += (uint8_t)assembledTwoBytes;
-    count--;
-  }
-  CBC_UtilCodingConvert::LocaleToUtf8(buffer, result);
-}
-void CBC_QRDecodedBitStreamParser::DecodeKanjiSegment(CBC_CommonBitSource* bits,
-                                                      CFX_ByteString& result,
-                                                      int32_t count,
-                                                      int32_t& e) {
-  CFX_ByteString buffer;
-  while (count > 0) {
-    int32_t twoBytes = bits->ReadBits(13, e);
-    BC_EXCEPTION_CHECK_ReturnVoid(e);
-    int32_t assembledTwoBytes = ((twoBytes / 0x0c0) << 8) | (twoBytes % 0x0c0);
-    if (assembledTwoBytes <= 0x01f00) {
-      assembledTwoBytes += 0x08140;
-    } else {
-      assembledTwoBytes += 0x0c140;
-    }
-    buffer += (uint8_t)(assembledTwoBytes >> 8);
-    buffer += (uint8_t)assembledTwoBytes;
-    count--;
-  }
-  CBC_UtilCodingConvert::LocaleToUtf8(buffer, result);
-}
-void CBC_QRDecodedBitStreamParser::DecodeByteSegment(
-    CBC_CommonBitSource* bits,
-    CFX_ByteString& result,
-    int32_t count,
-    CBC_CommonCharacterSetECI* currentCharacterSetECI,
-    CFX_Int32Array* byteSegments,
-    int32_t byteModeDecode,
-    int32_t& e) {
-  if (count < 0) {
-    e = BCExceptionNotFound;
-    BC_EXCEPTION_CHECK_ReturnVoid(e);
-  }
-  if ((count << 3) > bits->Available()) {
-    e = BCExceptionRead;
-    BC_EXCEPTION_CHECK_ReturnVoid(e);
-  }
-  uint8_t* readBytes = FX_Alloc(uint8_t, count);
-  FXSYS_memset(readBytes, 0x00, count);
-  for (int32_t i = 0; i < count; i++) {
-    readBytes[i] = (uint8_t)bits->ReadBits(8, e);
-    BC_EXCEPTION_CHECK_ReturnVoid(e);
-  }
-  CFX_ByteString bs(readBytes, count);
-  result += bs;
-  FX_Free(readBytes);
-}
-void CBC_QRDecodedBitStreamParser::DecodeAlphanumericSegment(
-    CBC_CommonBitSource* bits,
-    CFX_ByteString& result,
-    int32_t count,
-    FX_BOOL fac1InEffect,
-    int32_t& e) {
-  int32_t start = result.GetLength();
-  while (count > 1) {
-    int32_t nextTwoCharsBits = bits->ReadBits(11, e);
-    BC_EXCEPTION_CHECK_ReturnVoid(e);
-    BC_FX_ByteString_Append(result, 1,
-                            ALPHANUMERIC_CHARS[nextTwoCharsBits / 45]);
-    BC_FX_ByteString_Append(result, 1,
-                            ALPHANUMERIC_CHARS[nextTwoCharsBits % 45]);
-    count -= 2;
-  }
-  if (count == 1) {
-    int32_t itemp = bits->ReadBits(6, e);
-    BC_EXCEPTION_CHECK_ReturnVoid(e);
-    BC_FX_ByteString_Append(result, 1, ALPHANUMERIC_CHARS[itemp]);
-  }
-  if (fac1InEffect) {
-    for (int32_t i = start; i < result.GetLength(); i++) {
-      if (result[i] == '%') {
-        if ((i < result.GetLength() - 1) && result[i + 1] == '%') {
-          result.Delete(i + 1, 1);
-        } else {
-          result.SetAt(i, (FX_CHAR)0x1d);
-        }
-      }
-    }
-  }
-}
-void CBC_QRDecodedBitStreamParser::DecodeNumericSegment(
-    CBC_CommonBitSource* bits,
-    CFX_ByteString& result,
-    int32_t count,
-    int32_t& e) {
-  while (count >= 3) {
-    int32_t threeDigitsBits = bits->ReadBits(10, e);
-    BC_EXCEPTION_CHECK_ReturnVoid(e);
-    if (threeDigitsBits >= 1000) {
-      e = BCExceptionRead;
-      BC_EXCEPTION_CHECK_ReturnVoid(e);
-    }
-    BC_FX_ByteString_Append(result, 1,
-                            ALPHANUMERIC_CHARS[threeDigitsBits / 100]);
-    BC_FX_ByteString_Append(result, 1,
-                            ALPHANUMERIC_CHARS[(threeDigitsBits / 10) % 10]);
-    BC_FX_ByteString_Append(result, 1,
-                            ALPHANUMERIC_CHARS[threeDigitsBits % 10]);
-    count -= 3;
-  }
-  if (count == 2) {
-    int32_t twoDigitBits = bits->ReadBits(7, e);
-    BC_EXCEPTION_CHECK_ReturnVoid(e);
-    if (twoDigitBits >= 100) {
-      e = BCExceptionRead;
-      BC_EXCEPTION_CHECK_ReturnVoid(e);
-    }
-    BC_FX_ByteString_Append(result, 1, ALPHANUMERIC_CHARS[twoDigitBits / 10]);
-    BC_FX_ByteString_Append(result, 1, ALPHANUMERIC_CHARS[twoDigitBits % 10]);
-  } else if (count == 1) {
-    int32_t digitBits = bits->ReadBits(4, e);
-    BC_EXCEPTION_CHECK_ReturnVoid(e);
-    if (digitBits >= 10) {
-      e = BCExceptionRead;
-      BC_EXCEPTION_CHECK_ReturnVoid(e);
-    }
-    BC_FX_ByteString_Append(result, 1, ALPHANUMERIC_CHARS[digitBits]);
-  }
-}
-const CFX_ByteString CBC_QRDecodedBitStreamParser::GuessEncoding(
-    CFX_ByteArray* bytes) {
-  return *UTF_8;
-}
-int32_t CBC_QRDecodedBitStreamParser::ParseECIValue(CBC_CommonBitSource* bits,
-                                                    int32_t& e) {
-  int32_t firstByte = bits->ReadBits(8, e);
-  BC_EXCEPTION_CHECK_ReturnValue(e, 0);
-  if ((firstByte & 0x80) == 0) {
-    return firstByte & 0x7f;
-  } else if ((firstByte & 0xc0) == 0x80) {
-    int32_t secondByte = bits->ReadBits(8, e);
-    BC_EXCEPTION_CHECK_ReturnValue(e, 0);
-    return ((firstByte & 0x3f) << 8) | secondByte;
-  } else if ((firstByte & 0xe0) == 0xc0) {
-    int32_t secondThirdByte = bits->ReadBits(16, e);
-    BC_EXCEPTION_CHECK_ReturnValue(e, 0);
-    return ((firstByte & 0x1f) << 16) | secondThirdByte;
-  }
-  e = BCExceptionBadECI;
-  BC_EXCEPTION_CHECK_ReturnValue(e, 0);
-  return 0;
-}