Replace several more CFX_MapPtrToPtr with std::set or std::map

core/src/fpdfdoc/doc_annot.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/include/fpdfapi/fpdf_pageobj.h"
 #include "core/include/fpdfdoc/fpdf_doc.h"
 #include "third_party/base/nonstd_unique_ptr.h"
 
@@ skipping 106 matching lines @@
 }
 
 CPDF_Annot::CPDF_Annot(CPDF_Dictionary* pDict, CPDF_AnnotList* pList)
     : m_pAnnotDict(pDict),
       m_pList(pList),
       m_sSubtype(m_pAnnotDict->GetConstString(FX_BSTRC("Subtype"))) {}
 CPDF_Annot::~CPDF_Annot() {
   ClearCachedAP();
 }
 void CPDF_Annot::ClearCachedAP() {
-  FX_POSITION pos = m_APMap.GetStartPosition();
-  while (pos) {
-    void* pForm;
-    void* pObjects;
-    m_APMap.GetNextAssoc(pos, pForm, pObjects);
-    delete (CPDF_PageObjects*)pObjects;
+  for (const auto& pair : m_APMap) {
+    delete pair.second;
   }
-  m_APMap.RemoveAll();
+  m_APMap.clear();
 }
 CFX_ByteString CPDF_Annot::GetSubType() const {
   return m_sSubtype;
 }
 
 void CPDF_Annot::GetRect(CPDF_Rect& rect) const {
   if (m_pAnnotDict == NULL) {
     return;
   }
   rect = m_pAnnotDict->GetRect("Rect");
@@ skipping 40 matching lines @@
     return pDict->GetStream(as);
   }
   return nullptr;
 }
 
 CPDF_Form* CPDF_Annot::GetAPForm(const CPDF_Page* pPage, AppearanceMode mode) {
   CPDF_Stream* pStream = FPDFDOC_GetAnnotAP(m_pAnnotDict, mode);
   if (!pStream)
     return nullptr;
 
-  void* pForm;
-  if (m_APMap.Lookup(pStream, pForm))
-    return static_cast<CPDF_Form*>(pForm);
+  auto it = m_APMap.find(pStream);
+  if (it != m_APMap.end())
+    return it->second;
 
   CPDF_Form* pNewForm =
       new CPDF_Form(m_pList->GetDocument(), pPage->m_pResources, pStream);
   pNewForm->ParseContent(nullptr, nullptr, nullptr, nullptr);
-  m_APMap.SetAt(pStream, pNewForm);
+  m_APMap[pStream] = pNewForm;
   return pNewForm;
 }
 
 static CPDF_Form* FPDFDOC_Annot_GetMatrix(const CPDF_Page* pPage,
                                           CPDF_Annot* pAnnot,
                                           CPDF_Annot::AppearanceMode mode,
                                           const CFX_AffineMatrix* pUser2Device,
                                           CFX_Matrix& matrix) {
   CPDF_Form* pForm = pAnnot->GetAPForm(pPage, mode);
   if (!pForm) {
@@ skipping 130 matching lines @@
   CPDF_PathData path;
   width /= 2;
   path.AppendRect(rect.left + width, rect.bottom + width, rect.right - width,
                   rect.top - width);
   int fill_type = 0;
   if (pOptions && (pOptions->m_Flags & RENDER_NOPATHSMOOTH)) {
     fill_type |= FXFILL_NOPATHSMOOTH;
   }
   pDevice->DrawPath(&path, pUser2Device, &graph_state, argb, argb, fill_type);
 }