Move xfa/src up to xfa/.

xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.cpp

-// 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/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.h"
-#include "xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.h"
-
-CBC_ReedSolomonGF256* CBC_ReedSolomonGF256::QRCodeFild = NULL;
-CBC_ReedSolomonGF256* CBC_ReedSolomonGF256::DataMatrixField = NULL;
-void CBC_ReedSolomonGF256::Initialize() {
-  QRCodeFild = new CBC_ReedSolomonGF256(0x011D);
-  QRCodeFild->Init();
-  DataMatrixField = new CBC_ReedSolomonGF256(0x012D);
-  DataMatrixField->Init();
-}
-void CBC_ReedSolomonGF256::Finalize() {
-  if (QRCodeFild) {
-    delete QRCodeFild;
-  }
-  QRCodeFild = NULL;
-  if (DataMatrixField) {
-    delete DataMatrixField;
-  }
-  DataMatrixField = NULL;
-}
-CBC_ReedSolomonGF256::CBC_ReedSolomonGF256(int32_t primitive) {
-  int32_t x = 1;
-  for (int32_t j = 0; j < 256; j++) {
-    m_expTable[j] = x;
-    x <<= 1;
-    if (x >= 0x100) {
-      x ^= primitive;
-    }
-  }
-  for (int32_t i = 0; i < 255; i++) {
-    m_logTable[m_expTable[i]] = i;
-  }
-  m_logTable[0] = 0;
-}
-void CBC_ReedSolomonGF256::Init() {
-  m_zero = new CBC_ReedSolomonGF256Poly(this, 0);
-  m_one = new CBC_ReedSolomonGF256Poly(this, 1);
-}
-CBC_ReedSolomonGF256::~CBC_ReedSolomonGF256() {
-  delete m_zero;
-  delete m_one;
-}
-CBC_ReedSolomonGF256Poly* CBC_ReedSolomonGF256::GetZero() {
-  return m_zero;
-}
-CBC_ReedSolomonGF256Poly* CBC_ReedSolomonGF256::GetOne() {
-  return m_one;
-}
-CBC_ReedSolomonGF256Poly* CBC_ReedSolomonGF256::BuildMonomial(
-    int32_t degree,
-    int32_t coefficient,
-    int32_t& e) {
-  if (degree < 0) {
-    e = BCExceptionDegreeIsNegative;
-    BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-  }
-  if (coefficient == 0) {
-    CBC_ReedSolomonGF256Poly* temp = m_zero->Clone(e);
-    BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-    return temp;
-  }
-  CFX_Int32Array coefficients;
-  coefficients.SetSize(degree + 1);
-  coefficients[0] = coefficient;
-  CBC_ReedSolomonGF256Poly* temp = new CBC_ReedSolomonGF256Poly();
-  temp->Init(this, &coefficients, e);
-  BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-  return temp;
-}
-int32_t CBC_ReedSolomonGF256::AddOrSubtract(int32_t a, int32_t b) {
-  return a ^ b;
-}
-int32_t CBC_ReedSolomonGF256::Exp(int32_t a) {
-  return m_expTable[a];
-}
-int32_t CBC_ReedSolomonGF256::Log(int32_t a, int32_t& e) {
-  if (a == 0) {
-    e = BCExceptionAIsZero;
-    BC_EXCEPTION_CHECK_ReturnValue(e, 0);
-  }
-  return m_logTable[a];
-}
-int32_t CBC_ReedSolomonGF256::Inverse(int32_t a, int32_t& e) {
-  if (a == 0) {
-    e = BCExceptionAIsZero;
-    BC_EXCEPTION_CHECK_ReturnValue(e, 0);
-  }
-  return m_expTable[255 - m_logTable[a]];
-}
-int32_t CBC_ReedSolomonGF256::Multiply(int32_t a, int32_t b) {
-  if (a == 0 || b == 0) {
-    return 0;
-  }
-  if (a == 1) {
-    return b;
-  }
-  if (b == 1) {
-    return a;
-  }
-  return m_expTable[(m_logTable[a] + m_logTable[b]) % 255];
-}