Use std::vector as internal storage for CPDF_Array

core/fpdfapi/fpdf_page/fpdf_page_parser.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
 
 #include "core/fpdfapi/fpdf_page/pageint.h"
 
 #include <vector>
 
@@ skipping 1401 matching lines @@
     return;
   }
   AddTextObject(&str, 0, NULL, 1);
 }
 
 void CPDF_StreamContentParser::Handle_ShowText_Positioning() {
   CPDF_Array* pArray = GetObject(0) ? GetObject(0)->GetArray() : NULL;
   if (!pArray) {
     return;
   }
-  int n = pArray->GetCount();
-  int nsegs = 0;
-  for (int i = 0; i < n; i++) {
+  size_t n = pArray->GetCount();
+  size_t nsegs = 0;
+  for (size_t i = 0; i < n; i++) {
     if (pArray->GetDirectObjectAt(i)->IsString())
       nsegs++;
   }
   if (nsegs == 0) {
-    for (int i = 0; i < n; i++) {
+    for (size_t i = 0; i < n; i++) {
       m_pCurStates->m_TextX -=
           (pArray->GetNumberAt(i) * m_pCurStates->m_TextState.GetFontSize()) /
           1000;
     }
     return;
   }
   CFX_ByteString* pStrs = new CFX_ByteString[nsegs];
   FX_FLOAT* pKerning = FX_Alloc(FX_FLOAT, nsegs);
-  int iSegment = 0;
+  size_t iSegment = 0;
   FX_FLOAT fInitKerning = 0;
-  for (int i = 0; i < n; i++) {
+  for (size_t i = 0; i < n; i++) {
     CPDF_Object* pObj = pArray->GetDirectObjectAt(i);
     if (pObj->IsString()) {
       CFX_ByteString str = pObj->GetString();
       if (str.IsEmpty()) {
         continue;
       }
       pStrs[iSegment] = str;
       pKerning[iSegment++] = 0;
     } else {
       FX_FLOAT num = pObj ? pObj->GetNumber() : 0;
@@ skipping 344 matching lines @@
       for (const auto& op : replacements) {
         if (op.is_replace_key)
           pDict->ReplaceKey(op.key.AsByteStringC(), op.replacement);
         else
           pDict->SetAtName(op.key.AsByteStringC(), op.replacement);
       }
       break;
     }
     case CPDF_Object::ARRAY: {
       CPDF_Array* pArray = pObj->AsArray();
-      for (uint32_t i = 0; i < pArray->GetCount(); i++) {
+      for (size_t i = 0; i < pArray->GetCount(); i++) {
         CPDF_Object* pElement = pArray->GetObjectAt(i);
         if (pElement->IsName()) {
           CFX_ByteString name = pElement->GetString();
           CFX_ByteStringC fullname = PDF_FindFullName(
               PDF_InlineValueAbbr, FX_ArraySize(PDF_InlineValueAbbr),
               name.AsByteStringC());
           if (!fullname.IsEmpty()) {
             pArray->SetAt(i, new CPDF_Name(fullname));
           }
         } else {
           PDF_ReplaceAbbr(pElement);
         }
       }
       break;
     }
     default:
       break;
   }
 }