Call CXFA_Object::ToNode() rather than C-style casting.

xfa/src/fxfa/src/parser/xfa_script_hostpseudomodel.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 "xfa/src/foxitlib.h"
 #include "xfa/src/fxfa/src/common/xfa_utils.h"
 #include "xfa/src/fxfa/src/common/xfa_object.h"
 #include "xfa/src/fxfa/src/common/xfa_document.h"
@@ skipping 287 matching lines @@
     return;
   }
   IXFA_Notify* pNotify = m_pDocument->GetParser()->GetNotify();
   if (!pNotify) {
     return;
   }
   CXFA_Node* pNode = NULL;
   if (iLength >= 1) {
     FXJSE_HVALUE hValue = pArguments->GetValue(0);
     if (FXJSE_Value_IsObject(hValue)) {
-      pNode = (CXFA_Node*)FXJSE_Value_ToObject(hValue, NULL);
+      pNode = static_cast<CXFA_Node*>(FXJSE_Value_ToObject(hValue, nullptr));
     } else if (FXJSE_Value_IsUTF8String(hValue)) {
       CFX_ByteString bsString;
       FXJSE_Value_ToUTF8String(hValue, bsString);
       CFX_WideString wsExpression =
           CFX_WideString::FromUTF8(bsString, bsString.GetLength());
       IXFA_ScriptContext* pScriptContext = m_pDocument->GetScriptContext();
       if (!pScriptContext) {
         FXJSE_Value_Release(hValue);
         return;
       }
       CXFA_Object* pObject = pScriptContext->GetThisObject();
       if (!pObject) {
         FXJSE_Value_Release(hValue);
         return;
       }
       FX_DWORD dwFlag = XFA_RESOLVENODE_Children | XFA_RESOLVENODE_Parent |
                         XFA_RESOLVENODE_Siblings;
       XFA_RESOLVENODE_RS resoveNodeRS;
       int32_t iRet = pScriptContext->ResolveObjects(pObject, wsExpression,
                                                     resoveNodeRS, dwFlag);
       if (iRet < 1 || !resoveNodeRS.nodes[0]->IsNode()) {
         FXJSE_Value_Release(hValue);
         return;
       }
-      pNode = (CXFA_Node*)resoveNodeRS.nodes[0];
+      pNode = resoveNodeRS.nodes[0]->AsNode();
     }
     FXJSE_Value_Release(hValue);
   }
   IXFA_DocLayout* pDocLayout = m_pDocument->GetDocLayout();
   if (!pDocLayout) {
     return;
   }
   IXFA_Widget* hWidget = pNotify->GetHWidget(pDocLayout->GetLayoutItem(pNode));
   if (!hWidget) {
     return;
@@ skipping 112 matching lines @@
       return;
     }
     FX_DWORD dwFlag = XFA_RESOLVENODE_Children | XFA_RESOLVENODE_Parent |
                       XFA_RESOLVENODE_Siblings;
     XFA_RESOLVENODE_RS resoveNodeRS;
     int32_t iRet =
         pScriptContext->ResolveObjects(pObject, wsName, resoveNodeRS, dwFlag);
     if (iRet < 1 || !resoveNodeRS.nodes[0]->IsNode()) {
       continue;
     }
-    pNode = (CXFA_Node*)resoveNodeRS.nodes[0];
+    pNode = resoveNodeRS.nodes[0]->AsNode();
     pNotify->ResetData(pNode->GetWidgetData());
   }
   if (!pNode) {
     pNotify->ResetData();
   }
 }
 void CScript_HostPseudoModel::Script_HostPseudoModel_Beep(
     CFXJSE_Arguments* pArguments) {
   if (!m_pDocument->GetScriptContext()->IsRunAtClient()) {
     return;
@@ skipping 24 matching lines @@
     return;
   }
   IXFA_Notify* pNotify = m_pDocument->GetParser()->GetNotify();
   if (!pNotify) {
     return;
   }
   CXFA_Node* pNode = NULL;
   if (iLength >= 1) {
     FXJSE_HVALUE hValue = pArguments->GetValue(0);
     if (FXJSE_Value_IsObject(hValue)) {
-      pNode = (CXFA_Node*)FXJSE_Value_ToObject(hValue, NULL);
+      pNode = static_cast<CXFA_Node*>(FXJSE_Value_ToObject(hValue, NULL));
     } else if (FXJSE_Value_IsUTF8String(hValue)) {
       CFX_ByteString bsString;
       FXJSE_Value_ToUTF8String(hValue, bsString);
       CFX_WideString wsExpression =
           CFX_WideString::FromUTF8(bsString, bsString.GetLength());
       IXFA_ScriptContext* pScriptContext = m_pDocument->GetScriptContext();
       if (!pScriptContext) {
         FXJSE_Value_Release(hValue);
         return;
       }
       CXFA_Object* pObject = pScriptContext->GetThisObject();
       if (!pObject) {
         FXJSE_Value_Release(hValue);
         return;
       }
       FX_DWORD dwFlag = XFA_RESOLVENODE_Children | XFA_RESOLVENODE_Parent |
                         XFA_RESOLVENODE_Siblings;
       XFA_RESOLVENODE_RS resoveNodeRS;
       int32_t iRet = pScriptContext->ResolveObjects(pObject, wsExpression,
                                                     resoveNodeRS, dwFlag);
       if (iRet < 1 || !resoveNodeRS.nodes[0]->IsNode()) {
         FXJSE_Value_Release(hValue);
         return;
       }
-      pNode = (CXFA_Node*)resoveNodeRS.nodes[0];
+      pNode = resoveNodeRS.nodes[0]->AsNode();
     }
     FXJSE_Value_Release(hValue);
   }
   pNotify->SetFocusWidgetNode(pNode);
 }
 void CScript_HostPseudoModel::Script_HostPseudoModel_GetFocus(
     CFXJSE_Arguments* pArguments) {
   IXFA_Notify* pNotify = m_pDocument->GetParser()->GetNotify();
   if (!pNotify) {
     return;
@@ skipping 243 matching lines @@
   IXFA_Notify* pNotify = m_pDocument->GetParser()->GetNotify();
   if (!pNotify) {
     return;
   }
   CFX_WideString wsDataTime = pNotify->GetCurrentDateTime();
   FXJSE_HVALUE hValue = pArguments->GetReturnValue();
   if (hValue) {
     FXJSE_Value_SetUTF8String(hValue, FX_UTF8Encode(wsDataTime));
   }
 }