Replace calls to deprecated CFX_{Wide,Byte}String::Empty()

xfa/fgas/localization/fgas_locale.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 <algorithm>
 
 #include "core/fxcrt/include/fx_ext.h"
 #include "core/fxcrt/include/fx_xml.h"
@@ skipping 747 matching lines @@
           uint32_t dwSubHash = FX_HashCode_String_GetW(
               wsSubCategory.c_str(), wsSubCategory.GetLength());
           FX_LOCALENUMSUBCATEGORY eSubCategory = FX_LOCALENUMPATTERN_Decimal;
           for (int32_t i = 0; i < g_iFXLocaleNumSubCatCount; i++) {
             if (g_FXLocaleNumSubCatData[i].uHash == dwSubHash) {
               eSubCategory = (FX_LOCALENUMSUBCATEGORY)g_FXLocaleNumSubCatData[i]
                                  .eSubCategory;
               break;
             }
           }
-          wsSubCategory.Empty();
+          wsSubCategory.clear();
           if (!pLocale) {
             pLocale = m_pLocaleMgr->GetDefLocale();
           }
           FXSYS_assert(pLocale != NULL);
           pLocale->GetNumPattern(eSubCategory, wsSubCategory);
           iDotIndex = wsSubCategory.Find('.');
           if (iDotIndex > 0) {
             iDotIndex += wsPurgePattern.GetLength();
             bFindDot = TRUE;
             dwStyle |= FX_NUMSTYLE_DotVorv;
@@ skipping 52 matching lines @@
   iDotIndex = wsNum.Find('.');
   if (iDotIndex < 0) {
     iDotIndex = iLenf;
     return FALSE;
   }
   return TRUE;
 }
 FX_BOOL CFX_FormatString::ParseText(const CFX_WideString& wsSrcText,
                                     const CFX_WideString& wsPattern,
                                     CFX_WideString& wsValue) {
-  wsValue.Empty();
+  wsValue.clear();
   if (wsSrcText.IsEmpty() || wsPattern.IsEmpty()) {
     return FALSE;
   }
   CFX_WideString wsTextFormat;
   GetTextFormat(wsPattern, FX_WSTRC(L"text"), wsTextFormat);
   if (wsTextFormat.IsEmpty()) {
     return FALSE;
   }
   int32_t iText = 0, iPattern = 0;
   const FX_WCHAR* pStrText = wsSrcText.c_str();
@@ skipping 804 matching lines @@
   if (j > i) {
     pDst[nIndex++] = '.';
     FXSYS_wcsncpy(pDst + nIndex, pStr + i + 1, j - i);
     nIndex += j - i;
   }
   wsResult.ReleaseBuffer(nIndex);
 }
 FX_BOOL CFX_FormatString::ParseNum(const CFX_WideString& wsSrcNum,
                                    const CFX_WideString& wsPattern,
                                    CFX_WideString& wsValue) {
-  wsValue.Empty();
+  wsValue.clear();
   if (wsSrcNum.IsEmpty() || wsPattern.IsEmpty()) {
     return FALSE;
   }
   int32_t dot_index_f = -1;
   uint32_t dwFormatStyle = 0;
   CFX_WideString wsNumFormat;
   IFX_Locale* pLocale =
       GetNumericFormat(wsPattern, dot_index_f, dwFormatStyle, wsNumFormat);
   if (!pLocale || wsNumFormat.IsEmpty()) {
     return FALSE;
@@ skipping 558 matching lines @@
               wsTimePattern = wsTempPattern + wsTimePattern;
               break;
             case FX_LOCALECATEGORY_DateTime:
               pLocale->GetDatePattern(eSubCategory, wsDatePattern);
               wsDatePattern = wsTempPattern + wsDatePattern;
               pLocale->GetTimePattern(eSubCategory, wsTimePattern);
               break;
             default:
               break;
           }
-          wsTempPattern.Empty();
+          wsTempPattern.clear();
           continue;
         }
         ccf++;
       }
     } else if (pStr[ccf] == '}') {
       bBraceOpen = FALSE;
       if (!wsTempPattern.IsEmpty()) {
         if (eCategory == FX_LOCALECATEGORY_Time) {
           wsTimePattern = wsTempPattern;
         } else if (eCategory == FX_LOCALECATEGORY_Date) {
           wsDatePattern = wsTempPattern;
         }
-        wsTempPattern.Empty();
+        wsTempPattern.clear();
       }
     } else {
       wsTempPattern += pStr[ccf];
     }
     ccf++;
   }
   if (!wsTempPattern.IsEmpty()) {
     if (eCategory == FX_LOCALECATEGORY_Date) {
       wsDatePattern += wsTempPattern;
     } else {
       wsTimePattern += wsTempPattern;
     }
   }
   if (!pLocale) {
     pLocale = m_pLocaleMgr->GetDefLocale();
   }
   if (!iFindCategory) {
-    wsTimePattern.Empty();
+    wsTimePattern.clear();
     wsDatePattern = wsPattern;
   }
   return (FX_DATETIMETYPE)iFindCategory;
 }
 static FX_BOOL FX_ParseLocaleDate(const CFX_WideString& wsDate,
                                   const CFX_WideString& wsDatePattern,
                                   IFX_Locale* pLocale,
                                   CFX_Unitime& datetime,
                                   int32_t& cc) {
   int32_t year = 1900;
@@ skipping 829 matching lines @@
         wsOutput = FX_GetLiteralTextReverse(strf, ccf) + wsOutput;
         ccf--;
         break;
       default:
         wsOutput = strf[ccf] + wsOutput;
         ccf--;
     }
   }
   if (cc >= 0) {
     int nPos = dot_index % 3;
-    wsOutput.Empty();
+    wsOutput.clear();
     for (int32_t i = 0; i < dot_index; i++) {
       if (i % 3 == nPos && i != 0) {
         wsOutput += wsGroupSymbol;
       }
       wsOutput += wsSrcNum[i];
     }
     if (dot_index < len) {
       CFX_WideString wsSymbol;
       pLocale->GetNumbericSymbol(FX_LOCALENUMSYMBOL_Decimal, wsSymbol);
       wsOutput += wsSymbol;
@@ skipping 396 matching lines @@
         wsOutput = FX_GetLiteralTextReverse(strf, ccf) + wsOutput;
         ccf--;
         break;
       default:
         wsOutput = strf[ccf] + wsOutput;
         ccf--;
     }
   }
   if (cc >= 0) {
     int nPos = dot_index % 3;
-    wsOutput.Empty();
+    wsOutput.clear();
     for (int32_t i = 0; i < dot_index; i++) {
       if (i % 3 == nPos && i != 0) {
         wsOutput += wsGroupSymbol;
       }
       wsOutput += wsNumeric[i];
     }
     if (dot_index < len) {
       CFX_WideString wsSymbol;
       pLocale->GetNumbericSymbol(FX_LOCALENUMSYMBOL_Decimal, wsSymbol);
       wsOutput += wsSymbol;
@@ skipping 693 matching lines @@
   CFX_WideString wsDatePattern, wsTimePattern;
   IFX_Locale* pLocale = NULL;
   FX_DATETIMETYPE eCategory =
       GetDateTimeFormat(wsPattern, pLocale, wsDatePattern, wsTimePattern);
   if (!pLocale) {
     return FALSE;
   }
   if (eCategory == FX_DATETIMETYPE_Unknown) {
     if (eDateTimeType == FX_DATETIMETYPE_Time) {
       wsTimePattern = wsDatePattern;
-      wsDatePattern.Empty();
+      wsDatePattern.clear();
     }
     eCategory = eDateTimeType;
   }
   if (eCategory == FX_DATETIMETYPE_Unknown) {
     return FALSE;
   }
   CFX_Unitime dt(0);
   int32_t iT = wsSrcDateTime.Find(L"T");
   if (iT < 0) {
     if (eCategory == FX_DATETIMETYPE_Date &&
@@ skipping 725 matching lines @@
 }
 CFX_Decimal CFX_Decimal::operator*(const CFX_Decimal& val) const {
   return Multiply(val);
 }
 CFX_Decimal CFX_Decimal::operator/(const CFX_Decimal& val) const {
   return Divide(val);
 }
 CFX_Decimal CFX_Decimal::operator%(const CFX_Decimal& val) const {
   return Modulus(val);
 }