Replace CFX_PtrArray with typesafe CFX_ArrayTemplate, part 8

xfa/fxbarcode/datamatrix/BC_DataMatrixDataBlock.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 2008 ZXing authors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ skipping 15 matching lines @@
 
 #include "xfa/fxbarcode/datamatrix/BC_DataMatrixVersion.h"
 #include "xfa/fxbarcode/utils.h"
 
 CBC_DataMatrixDataBlock::~CBC_DataMatrixDataBlock() {}
 CBC_DataMatrixDataBlock::CBC_DataMatrixDataBlock(int32_t numDataCodewords,
                                                  CFX_ByteArray* codewords) {
   m_codewords.Copy(*codewords);
   m_numDataCodewords = numDataCodewords;
 }
-CFX_PtrArray* CBC_DataMatrixDataBlock::GetDataBlocks(
-    CFX_ByteArray* rawCodewords,
-    CBC_DataMatrixVersion* version,
-    int32_t& e) {
+CFX_ArrayTemplate<CBC_DataMatrixDataBlock*>*
+CBC_DataMatrixDataBlock::GetDataBlocks(CFX_ByteArray* rawCodewords,
+                                       CBC_DataMatrixVersion* version,
+                                       int32_t& e) {
   ECBlocks* ecBlocks = version->GetECBlocks();
   int32_t totalBlocks = 0;
   const CFX_ArrayTemplate<ECB*>& ecBlockArray = ecBlocks->GetECBlocks();
   int32_t i;
   for (i = 0; i < ecBlockArray.GetSize(); i++) {
     totalBlocks += ecBlockArray[i]->GetCount();
   }
-  std::unique_ptr<CFX_PtrArray> result(new CFX_PtrArray());
+  std::unique_ptr<CFX_ArrayTemplate<CBC_DataMatrixDataBlock*>> result(
+      new CFX_ArrayTemplate<CBC_DataMatrixDataBlock*>());
   result->SetSize(totalBlocks);
   int32_t numResultBlocks = 0;
   int32_t j;
   for (j = 0; j < ecBlockArray.GetSize(); j++) {
     for (i = 0; i < ((ECB*)ecBlockArray[j])->GetCount(); i++) {
       int32_t numDataCodewords = ((ECB*)ecBlockArray[j])->GetDataCodewords();
       int32_t numBlockCodewords = ecBlocks->GetECCodewords() + numDataCodewords;
       CFX_ByteArray codewords;
       codewords.SetSize(numBlockCodewords);
       (*result)[numResultBlocks++] =
           new CBC_DataMatrixDataBlock(numDataCodewords, &codewords);
       codewords.SetSize(0);
     }
   }
-  int32_t longerBlocksTotalCodewords =
-      ((CBC_DataMatrixDataBlock*)(*result)[0])->GetCodewords()->GetSize();
+  int32_t longerBlocksTotalCodewords = (*result)[0]->GetCodewords()->GetSize();
   int32_t longerBlocksNumDataCodewords =
       longerBlocksTotalCodewords - ecBlocks->GetECCodewords();
   int32_t shorterBlocksNumDataCodewords = longerBlocksNumDataCodewords - 1;
   int32_t rawCodewordsOffset = 0;
   for (i = 0; i < shorterBlocksNumDataCodewords; i++) {
     int32_t j;
     for (j = 0; j < numResultBlocks; j++) {
       if (rawCodewordsOffset < rawCodewords->GetSize()) {
-        ((CBC_DataMatrixDataBlock*)(*result)[j])
-            ->GetCodewords()
-            ->
-            operator[](i) = (*rawCodewords)[rawCodewordsOffset++];
+        (*result)[j]->GetCodewords()->operator[](i) =
+            (*rawCodewords)[rawCodewordsOffset++];
       }
     }
   }
   const bool specialVersion = version->GetVersionNumber() == 24;
   int32_t numLongerBlocks = specialVersion ? 8 : numResultBlocks;
   for (j = 0; j < numLongerBlocks; j++) {
     if (rawCodewordsOffset < rawCodewords->GetSize()) {
-      ((CBC_DataMatrixDataBlock*)(*result)[j])
-          ->GetCodewords()
-          ->
-          operator[](longerBlocksNumDataCodewords - 1) =
+      (*result)[j]->GetCodewords()->operator[](longerBlocksNumDataCodewords -
+                                               1) =
           (*rawCodewords)[rawCodewordsOffset++];
     }
   }
-  int32_t max =
-      ((CBC_DataMatrixDataBlock*)(*result)[0])->GetCodewords()->GetSize();
+  int32_t max = (*result)[0]->GetCodewords()->GetSize();
   for (i = longerBlocksNumDataCodewords; i < max; i++) {
     int32_t j;
     for (j = 0; j < numResultBlocks; j++) {
       int32_t iOffset = specialVersion && j > 7 ? i - 1 : i;
       if (rawCodewordsOffset < rawCodewords->GetSize()) {
-        ((CBC_DataMatrixDataBlock*)(*result)[j])
-            ->GetCodewords()
-            ->
-            operator[](iOffset) = (*rawCodewords)[rawCodewordsOffset++];
+        (*result)[j]->GetCodewords()->operator[](iOffset) =
+            (*rawCodewords)[rawCodewordsOffset++];
       }
     }
   }
   if (rawCodewordsOffset != rawCodewords->GetSize()) {
     e = BCExceptionIllegalArgument;
     return NULL;
   }
   return result.release();
 }
 int32_t CBC_DataMatrixDataBlock::GetNumDataCodewords() {
   return m_numDataCodewords;
 }
 CFX_ByteArray* CBC_DataMatrixDataBlock::GetCodewords() {
   return &m_codewords;
 }