Remove implicit cast from CFX_WideString to (const wchar_t*)

xfa/fxfa/parser/xfa_localevalue.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/fxfa/parser/xfa_localevalue.h"
 
 #include "xfa/fgas/localization/fgas_localeimp.h"
 #include "xfa/fxfa/fm2js/xfa_fm2jsapi.h"
@@ skipping 201 matching lines @@
   return CFX_WideString();
 }
 FX_FLOAT CXFA_LocaleValue::GetNum() const {
   if (m_bValid && (m_dwType == XFA_VT_BOOLEAN || m_dwType == XFA_VT_INTEGER ||
                    m_dwType == XFA_VT_DECIMAL || m_dwType == XFA_VT_FLOAT)) {
     int64_t nIntegral = 0;
     uint32_t dwFractional = 0;
     int32_t nExponent = 0;
     int cc = 0;
     FX_BOOL bNegative = FALSE, bExpSign = FALSE;
-    const FX_WCHAR* str = (const FX_WCHAR*)m_wsValue;
+    const FX_WCHAR* str = m_wsValue.c_str();
     int len = m_wsValue.GetLength();
     while (XFA_IsSpace(str[cc]) && cc < len) {
       cc++;
     }
     if (cc >= len) {
       return 0;
     }
     if (str[0] == '+') {
       cc++;
     } else if (str[0] == '-') {
@@ skipping 54 matching lines @@
   return 0;
 }
 FX_DOUBLE CXFA_LocaleValue::GetDoubleNum() const {
   if (m_bValid && (m_dwType == XFA_VT_BOOLEAN || m_dwType == XFA_VT_INTEGER ||
                    m_dwType == XFA_VT_DECIMAL || m_dwType == XFA_VT_FLOAT)) {
     int64_t nIntegral = 0;
     uint32_t dwFractional = 0;
     int32_t nExponent = 0;
     int32_t cc = 0;
     FX_BOOL bNegative = FALSE, bExpSign = FALSE;
-    const FX_WCHAR* str = (const FX_WCHAR*)m_wsValue;
+    const FX_WCHAR* str = m_wsValue.c_str();
     int len = m_wsValue.GetLength();
     while (XFA_IsSpace(str[cc]) && cc < len) {
       cc++;
     }
     if (cc >= len) {
       return 0;
     }
     if (str[0] == '+') {
       cc++;
     } else if (str[0] == '-') {
@@ skipping 300 matching lines @@
   const uint16_t LastDay[12] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
   const uint16_t wCountY = 4, wCountM = 2, wCountD = 2;
   int nLen = wsDate.GetLength();
   if (nLen < wCountY || nLen > wCountY + wCountM + wCountD + 2) {
     return FALSE;
   }
   const bool bSymbol = wsDate.Find(0x2D) != -1;
   uint16_t wYear = 0;
   uint16_t wMonth = 0;
   uint16_t wDay = 0;
-  const FX_WCHAR* pDate = (const FX_WCHAR*)wsDate;
+  const FX_WCHAR* pDate = wsDate.c_str();
   int nIndex = 0, nStart = 0;
   while (pDate[nIndex] != '\0' && nIndex < wCountY) {
     if (!XFA_IsDigit(pDate[nIndex])) {
       return FALSE;
     }
     wYear = (pDate[nIndex] - '0') + wYear * 10;
     nIndex++;
   }
   if (bSymbol) {
     if (pDate[nIndex] != 0x2D) {
@@ skipping 65 matching lines @@
     return FALSE;
   const uint16_t wCountH = 2;
   const uint16_t wCountM = 2;
   const uint16_t wCountS = 2;
   const uint16_t wCountF = 3;
   const bool bSymbol = wsTime.Find(':') != -1;
   uint16_t wHour = 0;
   uint16_t wMinute = 0;
   uint16_t wSecond = 0;
   uint16_t wFraction = 0;
-  const FX_WCHAR* pTime = (const FX_WCHAR*)wsTime;
+  const FX_WCHAR* pTime = wsTime.c_str();
   int nIndex = 0;
   int nStart = 0;
   while (nIndex - nStart < wCountH && pTime[nIndex]) {
     if (!XFA_IsDigit(pTime[nIndex]))
       return FALSE;
     wHour = pTime[nIndex] - '0' + wHour * 10;
     nIndex++;
   }
   if (bSymbol) {
     if (nIndex < nLen && pTime[nIndex] != ':')
@@ skipping 275 matching lines @@
       } else if (cf == L'z') {
         nf++;
       } else {
         return FALSE;
       }
     }
     n++;
   }
   return n == nCount;
 }