Replace CFX_PtrArray with typesafe CFX_ArrayTemplate, part 10

xfa/fxbarcode/qrcode/BC_QRDataMask.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/fxbarcode/common/BC_CommonBitMatrix.h"
 #include "xfa/fxbarcode/qrcode/BC_QRDataMask.h"
 #include "xfa/fxbarcode/utils.h"
 
 static int32_t N_DATA_MASKS = 0;
-CFX_PtrArray* CBC_QRDataMask::DATA_MASKS = NULL;
+CFX_ArrayTemplate<CBC_QRDataMask*>* CBC_QRDataMask::DATA_MASKS = nullptr;
 
 void CBC_QRDataMask::Initialize() {
-  DATA_MASKS = new CFX_PtrArray();
+  DATA_MASKS = new CFX_ArrayTemplate<CBC_QRDataMask*>();
   N_DATA_MASKS = BuildDataMasks();
 }
+
 void CBC_QRDataMask::Finalize() {
   Destroy();
   delete DATA_MASKS;
+  DATA_MASKS = nullptr;
 }
+
 void CBC_QRDataMask::Destroy() {
-  int32_t i;
-  for (i = 0; i < N_DATA_MASKS; i++) {
-    CBC_QRDataMask* p = (CBC_QRDataMask*)(*DATA_MASKS)[i];
-    if (p) {
-      delete p;
-    }
-  }
+  for (int32_t i = 0; i < N_DATA_MASKS; ++i)
+    delete (*DATA_MASKS)[i];
 }
+
 void CBC_QRDataMask::UnmaskBitMatirx(CBC_CommonBitMatrix* bits,
                                      int32_t dimension) {
   for (int32_t i = 0; i < dimension; i++) {
     for (int32_t j = 0; j < dimension; j++) {
       if (IsMasked(i, j)) {
         bits->Flip(j, i);
       }
     }
   }
 }
 CBC_QRDataMask* CBC_QRDataMask::ForReference(int32_t reference, int32_t& e) {
   if (reference < 0 || reference > 7) {
     e = BCExceptionReferenceMustBeBetween0And7;
-    BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+    BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
   }
-  return (CBC_QRDataMask*)(*DATA_MASKS)[reference];
+  return (*DATA_MASKS)[reference];
 }
+
 class DataMask000 : public CBC_QRDataMask {
  public:
   FX_BOOL IsMasked(int32_t x, int32_t y) { return ((x + y) % 2) == 0; }
 };
 class DataMask001 : public CBC_QRDataMask {
  public:
   FX_BOOL IsMasked(int32_t x, int32_t y) { return (x % 2) == 0; }
 };
 class DataMask010 : public CBC_QRDataMask {
  public:
@@ skipping 35 matching lines @@
   DATA_MASKS->Add(new DataMask010);
   DATA_MASKS->Add(new DataMask011);
   DATA_MASKS->Add(new DataMask100);
   DATA_MASKS->Add(new DataMask101);
   DATA_MASKS->Add(new DataMask110);
   DATA_MASKS->Add(new DataMask111);
   return DATA_MASKS->GetSize();
 }
 CBC_QRDataMask::CBC_QRDataMask() {}
 CBC_QRDataMask::~CBC_QRDataMask() {}