Remove implicit cast from CFX_WideString to (const wchar_t*)

xfa/fxfa/parser/xfa_document_imp.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/fxcrt/include/fx_ext.h"
 #include "xfa/fxfa/app/xfa_ffnotify.h"
 #include "xfa/fxfa/fm2js/xfa_fm2jsapi.h"
 #include "xfa/fxfa/parser/xfa_basic_imp.h"
@@ skipping 246 matching lines @@
 CXFA_ScriptContext* CXFA_Document::GetScriptContext() {
   if (!m_pScriptContext)
     m_pScriptContext = new CXFA_ScriptContext(this);
   return m_pScriptContext;
 }
 XFA_VERSION CXFA_Document::RecognizeXFAVersionNumber(
     CFX_WideString& wsTemplateNS) {
   CFX_WideStringC wsTemplateURIPrefix =
       XFA_GetPacketByIndex(XFA_PACKET_Template)->pURI;
   FX_STRSIZE nPrefixLength = wsTemplateURIPrefix.GetLength();
-  if (CFX_WideStringC(wsTemplateNS, wsTemplateNS.GetLength()) !=
+  if (CFX_WideStringC(wsTemplateNS.c_str(), wsTemplateNS.GetLength()) !=
       wsTemplateURIPrefix) {
     return XFA_VERSION_UNKNOWN;
   }
   FX_STRSIZE nDotPos = wsTemplateNS.Find('.', nPrefixLength);
   if (nDotPos == (FX_STRSIZE)-1) {
     return XFA_VERSION_UNKNOWN;
   }
-  int8_t iMajor =
-      FXSYS_wtoi(wsTemplateNS.Mid(nPrefixLength, nDotPos - nPrefixLength));
+  int8_t iMajor = FXSYS_wtoi(
+      wsTemplateNS.Mid(nPrefixLength, nDotPos - nPrefixLength).c_str());
   int8_t iMinor = FXSYS_wtoi(
-      wsTemplateNS.Mid(nDotPos + 1, wsTemplateNS.GetLength() - nDotPos - 2));
+      wsTemplateNS.Mid(nDotPos + 1, wsTemplateNS.GetLength() - nDotPos - 2)
+          .c_str());
   XFA_VERSION eVersion = (XFA_VERSION)((int32_t)iMajor * 100 + iMinor);
   if (eVersion < XFA_VERSION_MIN || eVersion > XFA_VERSION_MAX) {
     return XFA_VERSION_UNKNOWN;
   }
   m_eCurVersionMode = eVersion;
   return eVersion;
 }
 CXFA_Node* CXFA_Document::GetNodeByID(CXFA_Node* pRoot,
                                       const CFX_WideStringC& wsID) {
   if (!pRoot || wsID.IsEmpty()) {
@@ skipping 94 matching lines @@
     CXFA_Node* pUseHrefNode = NULL;
     sUseNodes.GetNextAssoc(pos, pUseHrefNode);
     CFX_WideString wsUseVal;
     CFX_WideStringC wsURI, wsID, wsSOM;
     if (pUseHrefNode->TryCData(XFA_ATTRIBUTE_Usehref, wsUseVal) &&
         !wsUseVal.IsEmpty()) {
       FX_STRSIZE uSharpPos = wsUseVal.Find('#');
       if (uSharpPos < 0) {
         wsURI = wsUseVal;
       } else {
-        wsURI = CFX_WideStringC((const FX_WCHAR*)wsUseVal, uSharpPos);
+        wsURI = CFX_WideStringC(wsUseVal.c_str(), uSharpPos);
         FX_STRSIZE uLen = wsUseVal.GetLength();
         if (uLen >= uSharpPos + 5 &&
-            CFX_WideStringC((const FX_WCHAR*)wsUseVal + uSharpPos, 5) ==
+            CFX_WideStringC(wsUseVal.c_str() + uSharpPos, 5) ==
                 FX_WSTRC(L"#som(") &&
             wsUseVal[uLen - 1] == ')') {
-          wsSOM = CFX_WideStringC((const FX_WCHAR*)wsUseVal + uSharpPos + 5,
+          wsSOM = CFX_WideStringC(wsUseVal.c_str() + uSharpPos + 5,
                                   uLen - 1 - uSharpPos - 5);
         } else {
-          wsID = CFX_WideStringC((const FX_WCHAR*)wsUseVal + uSharpPos + 1,
+          wsID = CFX_WideStringC(wsUseVal.c_str() + uSharpPos + 1,
                                  uLen - uSharpPos - 1);
         }
       }
     } else if (pUseHrefNode->TryCData(XFA_ATTRIBUTE_Use, wsUseVal) &&
                !wsUseVal.IsEmpty()) {
       if (wsUseVal[0] == '#') {
-        wsID = CFX_WideStringC((const FX_WCHAR*)wsUseVal + 1,
-                               wsUseVal.GetLength() - 1);
+        wsID = CFX_WideStringC(wsUseVal.c_str() + 1, wsUseVal.GetLength() - 1);
       } else {
-        wsSOM =
-            CFX_WideStringC((const FX_WCHAR*)wsUseVal, wsUseVal.GetLength());
+        wsSOM = CFX_WideStringC(wsUseVal.c_str(), wsUseVal.GetLength());
       }
     }
     if (!wsURI.IsEmpty() && wsURI != FX_WSTRC(L".")) {
       continue;
     }
     CXFA_Node* pProtoNode = NULL;
     if (!wsSOM.IsEmpty()) {
       uint32_t dwFlag = XFA_RESOLVENODE_Children | XFA_RESOLVENODE_Attributes |
                         XFA_RESOLVENODE_Properties | XFA_RESOLVENODE_Parent |
                         XFA_RESOLVENODE_Siblings;
       XFA_RESOLVENODE_RS resoveNodeRS;
       int32_t iRet = m_pScriptContext->ResolveObjects(pUseHrefNode, wsSOM,
                                                       resoveNodeRS, dwFlag);
       if (iRet > 0 && resoveNodeRS.nodes[0]->IsNode()) {
         pProtoNode = resoveNodeRS.nodes[0]->AsNode();
       }
     } else if (!wsID.IsEmpty()) {
       if (!mIDMap.Lookup(
               FX_HashCode_String_GetW(wsID.c_str(), wsID.GetLength()),
               pProtoNode)) {
         continue;
       }
     }
     if (!pProtoNode) {
       continue;
     }
     XFA_ProtoMerge_MergeNode(this, pUseHrefNode, pProtoNode);
   }
 }