Remove fgas/localization directory

This Cl moves the CFX_DateTime, CFX_Decimal and IFX_Locale files into
core/fxcrt and builds only for XFA. The CFX_FormatString code is moved
info fgas/crt and renamed CFGAS_FormatString to match the fgas naming.

Change-Id: I8d9061195d2225da0389cbc9d018fcbd2e9a3c0c
Reviewed-on: https://pdfium-review.googlesource.com/3257
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Nicolás Peña <npm@chromium.org>

2 files changed, 2817 insertions, 0 deletions

diff --git a/xfa/fgas/crt/cfgas_formatstring.cpp b/xfa/fgas/crt/cfgas_formatstring.cpp
new file mode 100644
index 0000000000..57882da497
--- /dev/null
+++ b/xfa/fgas/crt/cfgas_formatstring.cpp
@@ -0,0 +1,2741 @@
+// 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/fgas/crt/cfgas_formatstring.h"
+
+#include <algorithm>
+#include <vector>
+
+#include "core/fxcrt/cfx_decimal.h"
+#include "core/fxcrt/fx_ext.h"
+#include "core/fxcrt/fx_xml.h"
+
+#define FX_LOCALECATEGORY_DateHash 0xbde9abde
+#define FX_LOCALECATEGORY_TimeHash 0x2d71b00f
+#define FX_LOCALECATEGORY_DateTimeHash 0x158c72ed
+#define FX_LOCALECATEGORY_NumHash 0x0b4ff870
+#define FX_LOCALECATEGORY_TextHash 0x2d08af85
+#define FX_LOCALECATEGORY_ZeroHash 0x568cb500
+#define FX_LOCALECATEGORY_NullHash 0x052931bb
+
+namespace {
+
+struct FX_LOCALESUBCATEGORYINFO {
+  uint32_t uHash;
+  const wchar_t* pName;
+  int32_t eSubCategory;
+};
+
+const FX_LOCALESUBCATEGORYINFO g_FXLocaleDateTimeSubCatData[] = {
+    {0x14da2125, L"default", FX_LOCALEDATETIMESUBCATEGORY_Default},
+    {0x9041d4b0, L"short", FX_LOCALEDATETIMESUBCATEGORY_Short},
+    {0xa084a381, L"medium", FX_LOCALEDATETIMESUBCATEGORY_Medium},
+    {0xcdce56b3, L"full", FX_LOCALEDATETIMESUBCATEGORY_Full},
+    {0xf6b4afb0, L"long", FX_LOCALEDATETIMESUBCATEGORY_Long},
+};
+const int32_t g_iFXLocaleDateTimeSubCatCount =
+    sizeof(g_FXLocaleDateTimeSubCatData) / sizeof(FX_LOCALESUBCATEGORYINFO);
+
+const FX_LOCALESUBCATEGORYINFO g_FXLocaleNumSubCatData[] = {
+    {0x46f95531, L"percent", FX_LOCALENUMPATTERN_Percent},
+    {0x4c4e8acb, L"currency", FX_LOCALENUMPATTERN_Currency},
+    {0x54034c2f, L"decimal", FX_LOCALENUMPATTERN_Decimal},
+    {0x7568e6ae, L"integer", FX_LOCALENUMPATTERN_Integer},
+};
+const int32_t g_iFXLocaleNumSubCatCount =
+    sizeof(g_FXLocaleNumSubCatData) / sizeof(FX_LOCALESUBCATEGORYINFO);
+
+struct FX_LOCALETIMEZONEINFO {
+  uint32_t uHash;
+  int16_t iHour;
+  int16_t iMinute;
+};
+
+const FX_LOCALETIMEZONEINFO g_FXLocaleTimeZoneData[] = {
+    {FXBSTR_ID(0, 'C', 'D', 'T'), -5, 0}, {FXBSTR_ID(0, 'C', 'S', 'T'), -6, 0},
+    {FXBSTR_ID(0, 'E', 'D', 'T'), -4, 0}, {FXBSTR_ID(0, 'E', 'S', 'T'), -5, 0},
+    {FXBSTR_ID(0, 'M', 'D', 'T'), -6, 0}, {FXBSTR_ID(0, 'M', 'S', 'T'), -7, 0},
+    {FXBSTR_ID(0, 'P', 'D', 'T'), -7, 0}, {FXBSTR_ID(0, 'P', 'S', 'T'), -8, 0},
+};
+
+const wchar_t gs_wsTimeSymbols[] = L"hHkKMSFAzZ";
+const wchar_t gs_wsDateSymbols[] = L"DJMEeGgYwW";
+const wchar_t gs_wsConstChars[] = L",-:/. ";
+
+int32_t ParseTimeZone(const wchar_t* pStr, int32_t iLen, FX_TIMEZONE* tz) {
+  tz->tzHour = 0;
+  tz->tzMinute = 0;
+  if (iLen < 0)
+    return 0;
+
+  int32_t iStart = 1;
+  int32_t iEnd = iStart + 2;
+  while (iStart < iLen && iStart < iEnd)
+    tz->tzHour = tz->tzHour * 10 + pStr[iStart++] - '0';
+
+  if (iStart < iLen && pStr[iStart] == ':')
+    iStart++;
+
+  iEnd = iStart + 2;
+  while (iStart < iLen && iStart < iEnd)
+    tz->tzMinute = tz->tzMinute * 10 + pStr[iStart++] - '0';
+
+  if (pStr[0] == '-')
+    tz->tzHour = -tz->tzHour;
+
+  return iStart;
+}
+
+CFX_WideString GetLiteralText(const wchar_t* pStrPattern,
+                              int32_t& iPattern,
+                              int32_t iLenPattern) {
+  CFX_WideString wsOutput;
+  if (pStrPattern[iPattern] != '\'') {
+    return wsOutput;
+  }
+  iPattern++;
+  int32_t iQuote = 1;
+  while (iPattern < iLenPattern) {
+    if (pStrPattern[iPattern] == '\'') {
+      iQuote++;
+      if ((iPattern + 1 >= iLenPattern) ||
+          ((pStrPattern[iPattern + 1] != '\'') && (iQuote % 2 == 0))) {
+        break;
+      } else {
+        iQuote++;
+      }
+      iPattern++;
+    } else if (pStrPattern[iPattern] == '\\' && (iPattern + 1 < iLenPattern) &&
+               pStrPattern[iPattern + 1] == 'u') {
+      int32_t iKeyValue = 0;
+      iPattern += 2;
+      int32_t i = 0;
+      while (iPattern < iLenPattern && i++ < 4) {
+        wchar_t ch = pStrPattern[iPattern++];
+        if ((ch >= '0' && ch <= '9')) {
+          iKeyValue = iKeyValue * 16 + ch - '0';
+        } else if ((ch >= 'a' && ch <= 'f')) {
+          iKeyValue = iKeyValue * 16 + ch - 'a' + 10;
+        } else if ((ch >= 'A' && ch <= 'F')) {
+          iKeyValue = iKeyValue * 16 + ch - 'A' + 10;
+        }
+      }
+      if (iKeyValue != 0) {
+        wsOutput += (wchar_t)(iKeyValue & 0x0000FFFF);
+      }
+      continue;
+    }
+    wsOutput += pStrPattern[iPattern++];
+  }
+  return wsOutput;
+}
+
+CFX_WideString GetLiteralTextReverse(const wchar_t* pStrPattern,
+                                     int32_t& iPattern) {
+  CFX_WideString wsOutput;
+  if (pStrPattern[iPattern] != '\'') {
+    return wsOutput;
+  }
+  iPattern--;
+  int32_t iQuote = 1;
+  while (iPattern >= 0) {
+    if (pStrPattern[iPattern] == '\'') {
+      iQuote++;
+      if (iPattern - 1 >= 0 ||
+          ((pStrPattern[iPattern - 1] != '\'') && (iQuote % 2 == 0))) {
+        break;
+      }
+      iQuote++;
+      iPattern--;
+    } else if (pStrPattern[iPattern] == '\\' &&
+               pStrPattern[iPattern + 1] == 'u') {
+      iPattern--;
+      int32_t iKeyValue = 0;
+      int32_t iLen = wsOutput.GetLength();
+      int32_t i = 1;
+      for (; i < iLen && i < 5; i++) {
+        wchar_t ch = wsOutput[i];
+        if ((ch >= '0' && ch <= '9')) {
+          iKeyValue = iKeyValue * 16 + ch - '0';
+        } else if ((ch >= 'a' && ch <= 'f')) {
+          iKeyValue = iKeyValue * 16 + ch - 'a' + 10;
+        } else if ((ch >= 'A' && ch <= 'F')) {
+          iKeyValue = iKeyValue * 16 + ch - 'A' + 10;
+        }
+      }
+      if (iKeyValue != 0) {
+        wsOutput.Delete(0, i);
+        wsOutput = (wchar_t)(iKeyValue & 0x0000FFFF) + wsOutput;
+      }
+      continue;
+    }
+    wsOutput = pStrPattern[iPattern--] + wsOutput;
+  }
+  return wsOutput;
+}
+
+bool GetNumericDotIndex(const CFX_WideString& wsNum,
+                        const CFX_WideString& wsDotSymbol,
+                        int32_t& iDotIndex) {
+  int32_t ccf = 0;
+  int32_t iLenf = wsNum.GetLength();
+  const wchar_t* pStr = wsNum.c_str();
+  int32_t iLenDot = wsDotSymbol.GetLength();
+  while (ccf < iLenf) {
+    if (pStr[ccf] == '\'') {
+      GetLiteralText(pStr, ccf, iLenf);
+    } else if (ccf + iLenDot <= iLenf &&
+               !FXSYS_wcsncmp(pStr + ccf, wsDotSymbol.c_str(), iLenDot)) {
+      iDotIndex = ccf;
+      return true;
+    }
+    ccf++;
+  }
+  iDotIndex = wsNum.Find('.');
+  if (iDotIndex < 0) {
+    iDotIndex = iLenf;
+    return false;
+  }
+  return true;
+}
+
+bool ParseLocaleDate(const CFX_WideString& wsDate,
+                     const CFX_WideString& wsDatePattern,
+                     IFX_Locale* pLocale,
+                     CFX_DateTime* datetime,
+                     int32_t& cc) {
+  int32_t year = 1900;
+  int32_t month = 1;
+  int32_t day = 1;
+  int32_t ccf = 0;
+  const wchar_t* str = wsDate.c_str();
+  int32_t len = wsDate.GetLength();
+  const wchar_t* strf = wsDatePattern.c_str();
+  int32_t lenf = wsDatePattern.GetLength();
+  CFX_WideStringC wsDateSymbols(gs_wsDateSymbols);
+  while (cc < len && ccf < lenf) {
+    if (strf[ccf] == '\'') {
+      CFX_WideString wsLiteral = GetLiteralText(strf, ccf, lenf);
+      int32_t iLiteralLen = wsLiteral.GetLength();
+      if (cc + iLiteralLen > len ||
+          FXSYS_wcsncmp(str + cc, wsLiteral.c_str(), iLiteralLen)) {
+        return false;
+      }
+      cc += iLiteralLen;
+      ccf++;
+      continue;
+    } else if (wsDateSymbols.Find(strf[ccf]) == -1) {
+      if (strf[ccf] != str[cc])
+        return false;
+      cc++;
+      ccf++;
+      continue;
+    }
+    uint32_t dwSymbolNum = 1;
+    wchar_t dwCharSymbol = strf[ccf++];
+    while (ccf < lenf && strf[ccf] == dwCharSymbol) {
+      ccf++;
+      dwSymbolNum++;
+    }
+    uint32_t dwSymbol = (dwCharSymbol << 8) | (dwSymbolNum + '0');
+    if (dwSymbol == FXBSTR_ID(0, 0, 'D', '1')) {
+      if (!FXSYS_isDecimalDigit(str[cc])) {
+        return false;
+      }
+      day = str[cc++] - '0';
+      if (cc < len && FXSYS_isDecimalDigit(str[cc])) {
+        day = day * 10 + str[cc++] - '0';
+      }
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'D', '2')) {
+      if (!FXSYS_isDecimalDigit(str[cc])) {
+        return false;
+      }
+      day = str[cc++] - '0';
+      if (cc < len) {
+        day = day * 10 + str[cc++] - '0';
+      }
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'J', '1')) {
+      int i = 0;
+      while (cc < len && i < 3 && FXSYS_isDecimalDigit(str[cc])) {
+        cc++;
+        i++;
+      }
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'J', '3')) {
+      cc += 3;
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'M', '1')) {
+      if (!FXSYS_isDecimalDigit(str[cc])) {
+        return false;
+      }
+      month = str[cc++] - '0';
+      if (cc < len && FXSYS_isDecimalDigit(str[cc])) {
+        month = month * 10 + str[cc++] - '0';
+      }
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'M', '2')) {
+      if (!FXSYS_isDecimalDigit(str[cc])) {
+        return false;
+      }
+      month = str[cc++] - '0';
+      if (cc < len) {
+        month = month * 10 + str[cc++] - '0';
+      }
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'M', '3')) {
+      CFX_WideString wsMonthNameAbbr;
+      uint16_t i = 0;
+      for (; i < 12; i++) {
+        wsMonthNameAbbr = pLocale->GetMonthName(i, true);
+        if (wsMonthNameAbbr.IsEmpty())
+          continue;
+        if (!FXSYS_wcsncmp(wsMonthNameAbbr.c_str(), str + cc,
+                           wsMonthNameAbbr.GetLength())) {
+          break;
+        }
+      }
+      if (i < 12) {
+        cc += wsMonthNameAbbr.GetLength();
+        month = i + 1;
+      }
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'M', '4')) {
+      CFX_WideString wsMonthName;
+      uint16_t i = 0;
+      for (; i < 12; i++) {
+        wsMonthName = pLocale->GetMonthName(i, false);
+        if (wsMonthName.IsEmpty())
+          continue;
+        if (!FXSYS_wcsncmp(wsMonthName.c_str(), str + cc,
+                           wsMonthName.GetLength())) {
+          break;
+        }
+      }
+      if (i < 12) {
+        cc += wsMonthName.GetLength();
+        month = i + 1;
+      }
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'E', '1')) {
+      cc += 1;
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'E', '3')) {
+      CFX_WideString wsDayNameAbbr;
+      uint16_t i = 0;
+      for (; i < 7; i++) {
+        wsDayNameAbbr = pLocale->GetDayName(i, true);
+        if (wsDayNameAbbr.IsEmpty())
+          continue;
+        if (!FXSYS_wcsncmp(wsDayNameAbbr.c_str(), str + cc,
+                           wsDayNameAbbr.GetLength())) {
+          break;
+        }
+      }
+      if (i < 12) {
+        cc += wsDayNameAbbr.GetLength();
+      }
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'E', '4')) {
+      CFX_WideString wsDayName;
+      int32_t i = 0;
+      for (; i < 7; i++) {
+        wsDayName = pLocale->GetDayName(i, false);
+        if (wsDayName == L"")
+          continue;
+        if (!FXSYS_wcsncmp(wsDayName.c_str(), str + cc,
+                           wsDayName.GetLength())) {
+          break;
+        }
+      }
+      if (i < 12) {
+        cc += wsDayName.GetLength();
+      }
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'e', '1')) {
+      cc += 1;
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'G', '1')) {
+      cc += 2;
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'Y', '2')) {
+      if (cc + 2 > len) {
+        return false;
+      }
+      if (!FXSYS_isDecimalDigit(str[cc])) {
+        return false;
+      }
+      year = str[cc++] - '0';
+      if (cc >= len || !FXSYS_isDecimalDigit(str[cc])) {
+        return false;
+      }
+      year = year * 10 + str[cc++] - '0';
+      if (year <= 29) {
+        year += 2000;
+      } else {
+        year += 1900;
+      }
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'Y', '4')) {
+      int i = 0;
+      year = 0;
+      if (cc + 4 > len) {
+        return false;
+      }
+      while (i < 4) {
+        if (!FXSYS_isDecimalDigit(str[cc])) {
+          return false;
+        }
+        year = year * 10 + str[cc] - '0';
+        cc++;
+        i++;
+      }
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'w', '1')) {
+      cc += 1;
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'W', '2')) {
+      cc += 2;
+    }
+  }
+  if (cc < len)
+    return false;
+
+  datetime->SetDate(year, month, day);
+  return !!cc;
+}
+
+void ResolveZone(uint8_t& wHour,
+                 uint8_t& wMinute,
+                 FX_TIMEZONE tzDiff,
+                 IFX_Locale* pLocale) {
+  int32_t iMinuteDiff = wHour * 60 + wMinute;
+  FX_TIMEZONE tzLocale = pLocale->GetTimeZone();
+  iMinuteDiff += tzLocale.tzHour * 60 +
+                 (tzLocale.tzHour < 0 ? -tzLocale.tzMinute : tzLocale.tzMinute);
+  iMinuteDiff -= tzDiff.tzHour * 60 +
+                 (tzDiff.tzHour < 0 ? -tzDiff.tzMinute : tzDiff.tzMinute);
+  while (iMinuteDiff > 1440) {
+    iMinuteDiff -= 1440;
+  }
+  while (iMinuteDiff < 0) {
+    iMinuteDiff += 1440;
+  }
+  wHour = iMinuteDiff / 60;
+  wMinute = iMinuteDiff % 60;
+}
+
+bool ParseLocaleTime(const CFX_WideString& wsTime,
+                     const CFX_WideString& wsTimePattern,
+                     IFX_Locale* pLocale,
+                     CFX_DateTime* datetime,
+                     int32_t& cc) {
+  uint8_t hour = 0;
+  uint8_t minute = 0;
+  uint8_t second = 0;
+  uint16_t millisecond = 0;
+  int32_t ccf = 0;
+  const wchar_t* str = wsTime.c_str();
+  int len = wsTime.GetLength();
+  const wchar_t* strf = wsTimePattern.c_str();
+  int lenf = wsTimePattern.GetLength();
+  bool bHasA = false;
+  bool bPM = false;
+  CFX_WideStringC wsTimeSymbols(gs_wsTimeSymbols);
+  while (cc < len && ccf < lenf) {
+    if (strf[ccf] == '\'') {
+      CFX_WideString wsLiteral = GetLiteralText(strf, ccf, lenf);
+      int32_t iLiteralLen = wsLiteral.GetLength();
+      if (cc + iLiteralLen > len ||
+          FXSYS_wcsncmp(str + cc, wsLiteral.c_str(), iLiteralLen)) {
+        return false;
+      }
+      cc += iLiteralLen;
+      ccf++;
+      continue;
+    } else if (wsTimeSymbols.Find(strf[ccf]) == -1) {
+      if (strf[ccf] != str[cc])
+        return false;
+      cc++;
+      ccf++;
+      continue;
+    }
+    uint32_t dwSymbolNum = 1;
+    wchar_t dwCharSymbol = strf[ccf++];
+    while (ccf < lenf && strf[ccf] == dwCharSymbol) {
+      ccf++;
+      dwSymbolNum++;
+    }
+    uint32_t dwSymbol = (dwCharSymbol << 8) | (dwSymbolNum + '0');
+    if (dwSymbol == FXBSTR_ID(0, 0, 'k', '1') ||
+        dwSymbol == FXBSTR_ID(0, 0, 'H', '1') ||
+        dwSymbol == FXBSTR_ID(0, 0, 'h', '1') ||
+        dwSymbol == FXBSTR_ID(0, 0, 'K', '1')) {
+      if (!FXSYS_isDecimalDigit(str[cc])) {
+        return false;
+      }
+      hour = str[cc++] - '0';
+      if (cc < len && FXSYS_isDecimalDigit(str[cc])) {
+        hour = hour * 10 + str[cc++] - '0';
+      }
+      if (dwSymbol == FXBSTR_ID(0, 0, 'K', '1') && hour == 24) {
+        hour = 0;
+      }
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'k', '2') ||
+               dwSymbol == FXBSTR_ID(0, 0, 'H', '2') ||
+               dwSymbol == FXBSTR_ID(0, 0, 'h', '2') ||
+               dwSymbol == FXBSTR_ID(0, 0, 'K', '2')) {
+      if (!FXSYS_isDecimalDigit(str[cc])) {
+        return false;
+      }
+      hour = str[cc++] - '0';
+      if (cc >= len) {
+        return false;
+      }
+      if (!FXSYS_isDecimalDigit(str[cc])) {
+        return false;
+      }
+      hour = hour * 10 + str[cc++] - '0';
+      if (dwSymbol == FXBSTR_ID(0, 0, 'K', '2') && hour == 24) {
+        hour = 0;
+      }
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'M', '1')) {
+      if (!FXSYS_isDecimalDigit(str[cc])) {
+        return false;
+      }
+      minute = str[cc++] - '0';
+      if (cc < len && FXSYS_isDecimalDigit(str[cc])) {
+        minute = minute * 10 + str[cc++] - '0';
+      }
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'M', '2')) {
+      if (!FXSYS_isDecimalDigit(str[cc])) {
+        return false;
+      }
+      minute = str[cc++] - '0';
+      if (cc >= len) {
+        return false;
+      }
+      if (!FXSYS_isDecimalDigit(str[cc])) {
+        return false;
+      }
+      minute = minute * 10 + str[cc++] - '0';
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'S', '1')) {
+      if (!FXSYS_isDecimalDigit(str[cc])) {
+        return false;
+      }
+      second = str[cc++] - '0';
+      if (cc < len && FXSYS_isDecimalDigit(str[cc])) {
+        second = second * 10 + str[cc++] - '0';
+      }
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'S', '2')) {
+      if (!FXSYS_isDecimalDigit(str[cc])) {
+        return false;
+      }
+      second = str[cc++] - '0';
+      if (cc >= len) {
+        return false;
+      }
+      if (!FXSYS_isDecimalDigit(str[cc])) {
+        return false;
+      }
+      second = second * 10 + str[cc++] - '0';
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'F', '3')) {
+      if (cc + 3 >= len) {
+        return false;
+      }
+      int i = 0;
+      while (i < 3) {
+        if (!FXSYS_isDecimalDigit(str[cc])) {
+          return false;
+        }
+        millisecond = millisecond * 10 + str[cc++] - '0';
+        i++;
+      }
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'A', '1')) {
+      CFX_WideString wsAM = pLocale->GetMeridiemName(true);
+      CFX_WideString wsPM = pLocale->GetMeridiemName(false);
+      if ((cc + wsAM.GetLength() <= len) &&
+          (CFX_WideStringC(str + cc, wsAM.GetLength()) == wsAM)) {
+        cc += wsAM.GetLength();
+        bHasA = true;
+      } else if ((cc + wsPM.GetLength() <= len) &&
+                 (CFX_WideStringC(str + cc, wsPM.GetLength()) == wsPM)) {
+        cc += wsPM.GetLength();
+        bHasA = true;
+        bPM = true;
+      }
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'Z', '1')) {
+      if (cc + 3 > len) {
+        continue;
+      }
+      uint32_t dwHash = str[cc++];
+      dwHash = (dwHash << 8) | str[cc++];
+      dwHash = (dwHash << 8) | str[cc++];
+      if (dwHash == FXBSTR_ID(0, 'G', 'M', 'T')) {
+        FX_TIMEZONE tzDiff;
+        tzDiff.tzHour = 0;
+        tzDiff.tzMinute = 0;
+        if (cc < len && (str[cc] == '-' || str[cc] == '+'))
+          cc += ParseTimeZone(str + cc, len - cc, &tzDiff);
+
+        ResolveZone(hour, minute, tzDiff, pLocale);
+      } else {
+        const FX_LOCALETIMEZONEINFO* pEnd =
+            g_FXLocaleTimeZoneData + FX_ArraySize(g_FXLocaleTimeZoneData);
+        const FX_LOCALETIMEZONEINFO* pTimeZoneInfo =
+            std::lower_bound(g_FXLocaleTimeZoneData, pEnd, dwHash,
+                             [](const FX_LOCALETIMEZONEINFO& info,
+                                uint32_t hash) { return info.uHash < hash; });
+        if (pTimeZoneInfo < pEnd && dwHash == pTimeZoneInfo->uHash) {
+          hour += pTimeZoneInfo->iHour;
+          minute += pTimeZoneInfo->iHour > 0 ? pTimeZoneInfo->iMinute
+                                             : -pTimeZoneInfo->iMinute;
+        }
+      }
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'z', '1')) {
+      if (str[cc] != 'Z') {
+        FX_TIMEZONE tzDiff;
+        cc += ParseTimeZone(str + cc, len - cc, &tzDiff);
+        ResolveZone(hour, minute, tzDiff, pLocale);
+      } else {
+        cc++;
+      }
+    }
+  }
+  if (bHasA) {
+    if (bPM) {
+      hour += 12;
+      if (hour == 24) {
+        hour = 12;
+      }
+    } else {
+      if (hour == 12) {
+        hour = 0;
+      }
+    }
+  }
+  datetime->SetTime(hour, minute, second, millisecond);
+  return !!cc;
+}
+
+int32_t GetNumTrailingLimit(const CFX_WideString& wsFormat,
+                            int iDotPos,
+                            bool& bTrimTailZeros) {
+  if (iDotPos < 0)
+    return 0;
+
+  int32_t iCount = wsFormat.GetLength();
+  int32_t iTreading = 0;
+  for (iDotPos++; iDotPos < iCount; iDotPos++) {
+    wchar_t wc = wsFormat[iDotPos];
+    if (wc == L'z' || wc == L'9' || wc == 'Z') {
+      iTreading++;
+      bTrimTailZeros = (wc == L'9' ? false : true);
+    }
+  }
+  return iTreading;
+}
+
+uint16_t GetSolarMonthDays(uint16_t year, uint16_t month) {
+  if (month % 2)
+    return 31;
+  if (month == 2)
+    return FX_IsLeapYear(year) ? 29 : 28;
+  return 30;
+}
+
+uint16_t GetWeekDay(uint16_t year, uint16_t month, uint16_t day) {
+  uint16_t g_month_day[] = {0, 3, 3, 6, 1, 4, 6, 2, 5, 0, 3, 5};
+  uint16_t nDays =
+      (year - 1) % 7 + (year - 1) / 4 - (year - 1) / 100 + (year - 1) / 400;
+  nDays += g_month_day[month - 1] + day;
+  if (FX_IsLeapYear(year) && month > 2)
+    nDays++;
+  return nDays % 7;
+}
+
+uint16_t GetWeekOfMonth(uint16_t year, uint16_t month, uint16_t day) {
+  uint16_t week_day = GetWeekDay(year, month, 1);
+  uint16_t week_index = 0;
+  week_index += day / 7;
+  day = day % 7;
+  if (week_day + day > 7)
+    week_index++;
+  return week_index;
+}
+
+uint16_t GetWeekOfYear(uint16_t year, uint16_t month, uint16_t day) {
+  uint16_t nDays = 0;
+  for (uint16_t i = 1; i < month; i++)
+    nDays += GetSolarMonthDays(year, i);
+
+  nDays += day;
+  uint16_t week_day = GetWeekDay(year, 1, 1);
+  uint16_t week_index = 1;
+  week_index += nDays / 7;
+  nDays = nDays % 7;
+  if (week_day + nDays > 7)
+    week_index++;
+  return week_index;
+}
+
+bool DateFormat(const CFX_WideString& wsDatePattern,
+                IFX_Locale* pLocale,
+                const CFX_DateTime& datetime,
+                CFX_WideString& wsResult) {
+  bool bRet = true;
+  int32_t year = datetime.GetYear();
+  uint8_t month = datetime.GetMonth();
+  uint8_t day = datetime.GetDay();
+  int32_t ccf = 0;
+  const wchar_t* strf = wsDatePattern.c_str();
+  int32_t lenf = wsDatePattern.GetLength();
+  CFX_WideStringC wsDateSymbols(gs_wsDateSymbols);
+  while (ccf < lenf) {
+    if (strf[ccf] == '\'') {
+      wsResult += GetLiteralText(strf, ccf, lenf);
+      ccf++;
+      continue;
+    } else if (wsDateSymbols.Find(strf[ccf]) == -1) {
+      wsResult += strf[ccf++];
+      continue;
+    }
+    uint32_t dwSymbolNum = 1;
+    wchar_t dwCharSymbol = strf[ccf++];
+    while (ccf < lenf && strf[ccf] == dwCharSymbol) {
+      ccf++;
+      dwSymbolNum++;
+    }
+    uint32_t dwSymbol = (dwCharSymbol << 8) | (dwSymbolNum + '0');
+    if (dwSymbol == FXBSTR_ID(0, 0, 'D', '1')) {
+      CFX_WideString wsDay;
+      wsDay.Format(L"%d", day);
+      wsResult += wsDay;
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'D', '2')) {
+      CFX_WideString wsDay;
+      wsDay.Format(L"%02d", day);
+      wsResult += wsDay;
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'J', '1')) {
+      uint16_t nDays = 0;
+      for (int i = 1; i < month; i++) {
+        nDays += GetSolarMonthDays(year, i);
+      }
+      nDays += day;
+      CFX_WideString wsDays;
+      wsDays.Format(L"%d", nDays);
+      wsResult += wsDays;
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'J', '3')) {
+      uint16_t nDays = 0;
+      for (int i = 1; i < month; i++) {
+        nDays += GetSolarMonthDays(year, i);
+      }
+      nDays += day;
+      CFX_WideString wsDays;
+      wsDays.Format(L"%03d", nDays);
+      wsResult += wsDays;
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'M', '1')) {
+      CFX_WideString wsMonth;
+      wsMonth.Format(L"%d", month);
+      wsResult += wsMonth;
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'M', '2')) {
+      CFX_WideString wsMonth;
+      wsMonth.Format(L"%02d", month);
+      wsResult += wsMonth;
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'M', '3')) {
+      wsResult += pLocale->GetMonthName(month - 1, true);
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'M', '4')) {
+      wsResult += pLocale->GetMonthName(month - 1, false);
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'E', '1')) {
+      uint16_t wWeekDay = GetWeekDay(year, month, day);
+      CFX_WideString wsWeekDay;
+      wsWeekDay.Format(L"%d", wWeekDay + 1);
+      wsResult += wsWeekDay;
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'E', '3')) {
+      uint16_t wWeekDay = GetWeekDay(year, month, day);
+      wsResult += pLocale->GetDayName(wWeekDay, true);
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'E', '4')) {
+      uint16_t wWeekDay = GetWeekDay(year, month, day);
+      if (pLocale)
+        wsResult += pLocale->GetDayName(wWeekDay, false);
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'e', '1')) {
+      uint16_t wWeekDay = GetWeekDay(year, month, day);
+      CFX_WideString wsWeekDay;
+      wsWeekDay.Format(L"%d", wWeekDay ? wWeekDay : 7);
+      wsResult += wsWeekDay;
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'G', '1')) {
+      wsResult += pLocale->GetEraName(year < 0);
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'Y', '2')) {
+      CFX_WideString wsYear;
+      wsYear.Format(L"%02d", year % 100);
+      wsResult += wsYear;
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'Y', '4')) {
+      CFX_WideString wsYear;
+      wsYear.Format(L"%d", year);
+      wsResult += wsYear;
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'w', '1')) {
+      uint16_t week_index = GetWeekOfMonth(year, month, day);
+      CFX_WideString wsWeekInMonth;
+      wsWeekInMonth.Format(L"%d", week_index);
+      wsResult += wsWeekInMonth;
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'W', '2')) {
+      uint16_t week_index = GetWeekOfYear(year, month, day);
+      CFX_WideString wsWeekInYear;
+      wsWeekInYear.Format(L"%02d", week_index);
+      wsResult += wsWeekInYear;
+    }
+  }
+  return bRet;
+}
+
+bool TimeFormat(const CFX_WideString& wsTimePattern,
+                IFX_Locale* pLocale,
+                const CFX_DateTime& datetime,
+                CFX_WideString& wsResult) {
+  bool bGMT = false;
+  bool bRet = true;
+  uint8_t hour = datetime.GetHour();
+  uint8_t minute = datetime.GetMinute();
+  uint8_t second = datetime.GetSecond();
+  uint16_t millisecond = datetime.GetMillisecond();
+  int32_t ccf = 0;
+  const wchar_t* strf = wsTimePattern.c_str();
+  int32_t lenf = wsTimePattern.GetLength();
+  uint16_t wHour = hour;
+  bool bPM = false;
+  if (wsTimePattern.Find('A') != -1) {
+    if (wHour >= 12) {
+      bPM = true;
+    }
+  }
+  CFX_WideStringC wsTimeSymbols(gs_wsTimeSymbols);
+  while (ccf < lenf) {
+    if (strf[ccf] == '\'') {
+      wsResult += GetLiteralText(strf, ccf, lenf);
+      ccf++;
+      continue;
+    } else if (wsTimeSymbols.Find(strf[ccf]) == -1) {
+      wsResult += strf[ccf++];
+      continue;
+    }
+    uint32_t dwSymbolNum = 1;
+    wchar_t dwCharSymbol = strf[ccf++];
+    while (ccf < lenf && strf[ccf] == dwCharSymbol) {
+      ccf++;
+      dwSymbolNum++;
+    }
+    uint32_t dwSymbol = (dwCharSymbol << 8) | (dwSymbolNum + '0');
+    if (dwSymbol == FXBSTR_ID(0, 0, 'h', '1')) {
+      if (wHour > 12) {
+        wHour -= 12;
+      }
+      CFX_WideString wsHour;
+      wsHour.Format(L"%d", wHour == 0 ? 12 : wHour);
+      wsResult += wsHour;
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'h', '2')) {
+      if (wHour > 12) {
+        wHour -= 12;
+      }
+      CFX_WideString wsHour;
+      wsHour.Format(L"%02d", wHour == 0 ? 12 : wHour);
+      wsResult += wsHour;
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'K', '1')) {
+      CFX_WideString wsHour;
+      wsHour.Format(L"%d", wHour == 0 ? 24 : wHour);
+      wsResult += wsHour;
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'K', '2')) {
+      CFX_WideString wsHour;
+      wsHour.Format(L"%02d", wHour == 0 ? 24 : wHour);
+      wsResult += wsHour;
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'k', '1')) {
+      if (wHour > 12) {
+        wHour -= 12;
+      }
+      CFX_WideString wsHour;
+      wsHour.Format(L"%d", wHour);
+      wsResult += wsHour;
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'H', '1')) {
+      CFX_WideString wsHour;
+      wsHour.Format(L"%d", wHour);
+      wsResult += wsHour;
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'k', '2')) {
+      if (wHour > 12) {
+        wHour -= 12;
+      }
+      CFX_WideString wsHour;
+      wsHour.Format(L"%02d", wHour);
+      wsResult += wsHour;
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'H', '2')) {
+      CFX_WideString wsHour;
+      wsHour.Format(L"%02d", wHour);
+      wsResult += wsHour;
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'M', '1')) {
+      CFX_WideString wsMinute;
+      wsMinute.Format(L"%d", minute);
+      wsResult += wsMinute;
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'M', '2')) {
+      CFX_WideString wsMinute;
+      wsMinute.Format(L"%02d", minute);
+      wsResult += wsMinute;
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'S', '1')) {
+      CFX_WideString wsSecond;
+      wsSecond.Format(L"%d", second);
+      wsResult += wsSecond;
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'S', '2')) {
+      CFX_WideString wsSecond;
+      wsSecond.Format(L"%02d", second);
+      wsResult += wsSecond;
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'F', '3')) {
+      CFX_WideString wsMilliseconds;
+      wsMilliseconds.Format(L"%03d", millisecond);
+      wsResult += wsMilliseconds;
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'A', '1')) {
+      wsResult += pLocale->GetMeridiemName(!bPM);
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'Z', '1')) {
+      wsResult += L"GMT";
+      FX_TIMEZONE tz = pLocale->GetTimeZone();
+      if (!bGMT && (tz.tzHour != 0 || tz.tzMinute != 0)) {
+        wsResult += tz.tzHour < 0 ? L"-" : L"+";
+
+        CFX_WideString wsTimezone;
+        wsTimezone.Format(L"%02d:%02d", FXSYS_abs(tz.tzHour), tz.tzMinute);
+        wsResult += wsTimezone;
+      }
+    } else if (dwSymbol == FXBSTR_ID(0, 0, 'z', '1')) {
+      FX_TIMEZONE tz = pLocale->GetTimeZone();
+      if (!bGMT && tz.tzHour != 0 && tz.tzMinute != 0) {
+        wsResult += tz.tzHour < 0 ? L"-" : L"+";
+
+        CFX_WideString wsTimezone;
+        wsTimezone.Format(L"%02d:%02d", FXSYS_abs(tz.tzHour), tz.tzMinute);
+        wsResult += wsTimezone;
+      }
+    }
+  }
+  return bRet;
+}
+
+bool FormatDateTimeInternal(const CFX_DateTime& dt,
+                            const CFX_WideString& wsDatePattern,
+                            const CFX_WideString& wsTimePattern,
+                            bool bDateFirst,
+                            IFX_Locale* pLocale,
+                            CFX_WideString& wsOutput) {
+  bool bRet = true;
+  CFX_WideString wsDateOut, wsTimeOut;
+  if (!wsDatePattern.IsEmpty())
+    bRet &= DateFormat(wsDatePattern, pLocale, dt, wsDateOut);
+  if (!wsTimePattern.IsEmpty())
+    bRet &= TimeFormat(wsTimePattern, pLocale, dt, wsTimeOut);
+
+  wsOutput = bDateFirst ? wsDateOut + wsTimeOut : wsTimeOut + wsDateOut;
+  return bRet;
+}
+
+}  // namespace
+
+bool FX_DateFromCanonical(const CFX_WideString& wsDate,
+                          CFX_DateTime* datetime) {
+  int32_t year = 1900;
+  int32_t month = 1;
+  int32_t day = 1;
+  uint16_t wYear = 0;
+  int cc_start = 0, cc = 0;
+  const wchar_t* str = wsDate.c_str();
+  int len = wsDate.GetLength();
+  if (len > 10) {
+    return false;
+  }
+  while (cc < len && cc < 4) {
+    if (!FXSYS_isDecimalDigit(str[cc])) {
+      return false;
+    }
+    wYear = wYear * 10 + str[cc++] - '0';
+  }
+  year = wYear;
+  if (cc < 4 || wYear < 1900) {
+    return false;
+  }
+  if (cc < len) {
+    if (str[cc] == '-') {
+      cc++;
+    }
+    cc_start = cc;
+    uint8_t tmpM = 0;
+    while (cc < len && cc < cc_start + 2) {
+      if (!FXSYS_isDecimalDigit(str[cc])) {
+        return false;
+      }
+      tmpM = tmpM * 10 + str[cc++] - '0';
+    }
+    month = tmpM;
+    if (cc == cc_start + 1 || tmpM > 12 || tmpM < 1) {
+      return false;
+    }
+    if (cc < len) {
+      if (str[cc] == '-') {
+        cc++;
+      }
+      uint8_t tmpD = 0;
+      cc_start = cc;
+      while (cc < len && cc < cc_start + 2) {
+        if (!FXSYS_isDecimalDigit(str[cc])) {
+          return false;
+        }
+        tmpD = tmpD * 10 + str[cc++] - '0';
+      }
+      day = tmpD;
+      if (tmpD < 1) {
+        return false;
+      }
+      if ((tmpM == 1 || tmpM == 3 || tmpM == 5 || tmpM == 7 || tmpM == 8 ||
+           tmpM == 10 || tmpM == 12) &&
+          tmpD > 31) {
+        return false;
+      }
+      if ((tmpM == 4 || tmpM == 6 || tmpM == 9 || tmpM == 11) && tmpD > 30) {
+        return false;
+      }
+      bool iLeapYear;
+      if ((wYear % 4 == 0 && wYear % 100 != 0) || wYear % 400 == 0) {
+        iLeapYear = true;
+      } else {
+        iLeapYear = false;
+      }
+      if ((iLeapYear && tmpM == 2 && tmpD > 29) ||
+          (!iLeapYear && tmpM == 2 && tmpD > 28)) {
+        return false;
+      }
+    }
+  }
+  datetime->SetDate(year, month, day);
+  return true;
+}
+
+bool FX_TimeFromCanonical(const CFX_WideStringC& wsTime,
+                          CFX_DateTime* datetime,
+                          IFX_Locale* pLocale) {
+  if (wsTime.GetLength() == 0)
+    return false;
+
+  uint8_t hour = 0;
+  uint8_t minute = 0;
+  uint8_t second = 0;
+  uint16_t millisecond = 0;
+  int cc_start = 0, cc = cc_start;
+  const wchar_t* str = wsTime.c_str();
+  int len = wsTime.GetLength();
+  while (cc < len && cc < 2) {
+    if (!FXSYS_isDecimalDigit(str[cc])) {
+      return false;
+    }
+    hour = hour * 10 + str[cc++] - '0';
+  }
+  if (cc < 2 || hour >= 24) {
+    return false;
+  }
+  if (cc < len) {
+    if (str[cc] == ':') {
+      cc++;
+    }
+    cc_start = cc;
+    while (cc < len && cc < cc_start + 2) {
+      if (!FXSYS_isDecimalDigit(str[cc])) {
+        return false;
+      }
+      minute = minute * 10 + str[cc++] - '0';
+    }
+    if (cc == cc_start + 1 || minute >= 60) {
+      return false;
+    }
+    if (cc < len) {
+      if (str[cc] == ':') {
+        cc++;
+      }
+      cc_start = cc;
+      while (cc < len && cc < cc_start + 2) {
+        if (!FXSYS_isDecimalDigit(str[cc])) {
+          return false;
+        }
+        second = second * 10 + str[cc++] - '0';
+      }
+      if (cc == cc_start + 1 || second >= 60) {
+        return false;
+      }
+      if (cc < len) {
+        if (str[cc] == '.') {
+          cc++;
+          cc_start = cc;
+          while (cc < len && cc < cc_start + 3) {
+            if (!FXSYS_isDecimalDigit(str[cc])) {
+              return false;
+            }
+            millisecond = millisecond * 10 + str[cc++] - '0';
+          }
+          if (cc < cc_start + 3)
+            return false;
+        }
+        if (cc < len) {
+          FX_TIMEZONE tzDiff;
+          tzDiff.tzHour = 0;
+          tzDiff.tzMinute = 0;
+          if (str[cc] != 'Z')
+            cc += ParseTimeZone(str + cc, len - cc, &tzDiff);
+          ResolveZone(hour, minute, tzDiff, pLocale);
+        }
+      }
+    }
+  }
+  datetime->SetTime(hour, minute, second, millisecond);
+  return true;
+}
+
+CFGAS_FormatString::CFGAS_FormatString(CXFA_LocaleMgr* pLocaleMgr)
+    : m_pLocaleMgr(pLocaleMgr) {}
+
+CFGAS_FormatString::~CFGAS_FormatString() {}
+
+void CFGAS_FormatString::SplitFormatString(
+    const CFX_WideString& wsFormatString,
+    std::vector<CFX_WideString>& wsPatterns) {
+  int32_t iStrLen = wsFormatString.GetLength();
+  const wchar_t* pStr = wsFormatString.c_str();
+  const wchar_t* pToken = pStr;
+  const wchar_t* pEnd = pStr + iStrLen;
+  bool iQuote = false;
+  while (true) {
+    if (pStr >= pEnd) {
+      wsPatterns.push_back(CFX_WideString(pToken, pStr - pToken));
+      return;
+    }
+    if (*pStr == '\'') {
+      iQuote = !iQuote;
+    } else if (*pStr == L'|' && !iQuote) {
+      wsPatterns.push_back(CFX_WideString(pToken, pStr - pToken));
+      pToken = pStr + 1;
+    }
+    pStr++;
+  }
+}
+
+FX_LOCALECATEGORY CFGAS_FormatString::GetCategory(
+    const CFX_WideString& wsPattern) {
+  FX_LOCALECATEGORY eCategory = FX_LOCALECATEGORY_Unknown;
+  int32_t ccf = 0;
+  int32_t iLenf = wsPattern.GetLength();
+  const wchar_t* pStr = wsPattern.c_str();
+  bool bBraceOpen = false;
+  CFX_WideStringC wsConstChars(gs_wsConstChars);
+  while (ccf < iLenf) {
+    if (pStr[ccf] == '\'') {
+      GetLiteralText(pStr, ccf, iLenf);
+    } else if (!bBraceOpen && wsConstChars.Find(pStr[ccf]) == -1) {
+      CFX_WideString wsCategory(pStr[ccf]);
+      ccf++;
+      while (true) {
+        if (ccf == iLenf) {
+          return eCategory;
+        }
+        if (pStr[ccf] == '.' || pStr[ccf] == '(') {
+          break;
+        }
+        if (pStr[ccf] == '{') {
+          bBraceOpen = true;
+          break;
+        }
+        wsCategory += pStr[ccf];
+        ccf++;
+      }
+      uint32_t dwHash = FX_HashCode_GetW(wsCategory.AsStringC(), false);
+      if (dwHash == FX_LOCALECATEGORY_DateHash) {
+        if (eCategory == FX_LOCALECATEGORY_Time) {
+          return FX_LOCALECATEGORY_DateTime;
+        }
+        eCategory = FX_LOCALECATEGORY_Date;
+      } else if (dwHash == FX_LOCALECATEGORY_TimeHash) {
+        if (eCategory == FX_LOCALECATEGORY_Date) {
+          return FX_LOCALECATEGORY_DateTime;
+        }
+        eCategory = FX_LOCALECATEGORY_Time;
+      } else if (dwHash == FX_LOCALECATEGORY_DateTimeHash) {
+        return FX_LOCALECATEGORY_DateTime;
+      } else if (dwHash == FX_LOCALECATEGORY_TextHash) {
+        return FX_LOCALECATEGORY_Text;
+      } else if (dwHash == FX_LOCALECATEGORY_NumHash) {
+        return FX_LOCALECATEGORY_Num;
+      } else if (dwHash == FX_LOCALECATEGORY_ZeroHash) {
+        return FX_LOCALECATEGORY_Zero;
+      } else if (dwHash == FX_LOCALECATEGORY_NullHash) {
+        return FX_LOCALECATEGORY_Null;
+      }
+    } else if (pStr[ccf] == '}') {
+      bBraceOpen = false;
+    }
+    ccf++;
+  }
+  return eCategory;
+}
+
+CFX_WideString CFGAS_FormatString::GetLocaleName(
+    const CFX_WideString& wsPattern) {
+  int32_t ccf = 0;
+  int32_t iLenf = wsPattern.GetLength();
+  const wchar_t* pStr = wsPattern.c_str();
+  while (ccf < iLenf) {
+    if (pStr[ccf] == '\'') {
+      GetLiteralText(pStr, ccf, iLenf);
+    } else if (pStr[ccf] == '(') {
+      ccf++;
+      CFX_WideString wsLCID;
+      while (ccf < iLenf && pStr[ccf] != ')') {
+        wsLCID += pStr[ccf++];
+      }
+      return wsLCID;
+    }
+    ccf++;
+  }
+  return CFX_WideString();
+}
+
+IFX_Locale* CFGAS_FormatString::GetTextFormat(const CFX_WideString& wsPattern,
+                                              const CFX_WideStringC& wsCategory,
+                                              CFX_WideString& wsPurgePattern) {
+  IFX_Locale* pLocale = nullptr;
+  int32_t ccf = 0;
+  int32_t iLenf = wsPattern.GetLength();
+  const wchar_t* pStr = wsPattern.c_str();
+  bool bBrackOpen = false;
+  CFX_WideStringC wsConstChars(gs_wsConstChars);
+  while (ccf < iLenf) {
+    if (pStr[ccf] == '\'') {
+      int32_t iCurChar = ccf;
+      GetLiteralText(pStr, ccf, iLenf);
+      wsPurgePattern += CFX_WideStringC(pStr + iCurChar, ccf - iCurChar + 1);
+    } else if (!bBrackOpen && wsConstChars.Find(pStr[ccf]) == -1) {
+      CFX_WideString wsSearchCategory(pStr[ccf]);
+      ccf++;
+      while (ccf < iLenf && pStr[ccf] != '{' && pStr[ccf] != '.' &&
+             pStr[ccf] != '(') {
+        wsSearchCategory += pStr[ccf];
+        ccf++;
+      }
+      if (wsSearchCategory != wsCategory) {
+        continue;
+      }
+      while (ccf < iLenf) {
+        if (pStr[ccf] == '(') {
+          ccf++;
+          CFX_WideString wsLCID;
+          while (ccf < iLenf && pStr[ccf] != ')') {
+            wsLCID += pStr[ccf++];
+          }
+          pLocale = GetPatternLocale(wsLCID);
+        } else if (pStr[ccf] == '{') {
+          bBrackOpen = true;
+          break;
+        }
+        ccf++;
+      }
+    } else if (pStr[ccf] != '}') {
+      wsPurgePattern += pStr[ccf];
+    }
+    ccf++;
+  }
+  if (!bBrackOpen) {
+    wsPurgePattern = wsPattern;
+  }
+  if (!pLocale) {
+    pLocale = m_pLocaleMgr->GetDefLocale();
+  }
+  return pLocale;
+}
+#define FX_NUMSTYLE_Percent 0x01
+#define FX_NUMSTYLE_Exponent 0x02
+#define FX_NUMSTYLE_DotVorv 0x04
+IFX_Locale* CFGAS_FormatString::GetNumericFormat(
+    const CFX_WideString& wsPattern,
+    int32_t& iDotIndex,
+    uint32_t& dwStyle,
+    CFX_WideString& wsPurgePattern) {
+  dwStyle = 0;
+  IFX_Locale* pLocale = nullptr;
+  int32_t ccf = 0;
+  int32_t iLenf = wsPattern.GetLength();
+  const wchar_t* pStr = wsPattern.c_str();
+  bool bFindDot = false;
+  bool bBrackOpen = false;
+  CFX_WideStringC wsConstChars(gs_wsConstChars);
+  while (ccf < iLenf) {
+    if (pStr[ccf] == '\'') {
+      int32_t iCurChar = ccf;
+      GetLiteralText(pStr, ccf, iLenf);
+      wsPurgePattern += CFX_WideStringC(pStr + iCurChar, ccf - iCurChar + 1);
+    } else if (!bBrackOpen && wsConstChars.Find(pStr[ccf]) == -1) {
+      CFX_WideString wsCategory(pStr[ccf]);
+      ccf++;
+      while (ccf < iLenf && pStr[ccf] != '{' && pStr[ccf] != '.' &&
+             pStr[ccf] != '(') {
+        wsCategory += pStr[ccf];
+        ccf++;
+      }
+      if (wsCategory != L"num") {
+        bBrackOpen = true;
+        ccf = 0;
+        continue;
+      }
+      while (ccf < iLenf) {
+        if (pStr[ccf] == '(') {
+          ccf++;
+          CFX_WideString wsLCID;
+          while (ccf < iLenf && pStr[ccf] != ')') {
+            wsLCID += pStr[ccf++];
+          }
+          pLocale = GetPatternLocale(wsLCID);
+        } else if (pStr[ccf] == '{') {
+          bBrackOpen = true;
+          break;
+        } else if (pStr[ccf] == '.') {
+          CFX_WideString wsSubCategory;
+          ccf++;
+          while (ccf < iLenf && pStr[ccf] != '(' && pStr[ccf] != '{') {
+            wsSubCategory += pStr[ccf++];
+          }
+          uint32_t dwSubHash =
+              FX_HashCode_GetW(wsSubCategory.AsStringC(), false);
+          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;
+            }
+          }
+          if (!pLocale)
+            pLocale = m_pLocaleMgr->GetDefLocale();
+
+          ASSERT(pLocale);
+
+          wsSubCategory = pLocale->GetNumPattern(eSubCategory);
+          iDotIndex = wsSubCategory.Find('.');
+          if (iDotIndex > 0) {
+            iDotIndex += wsPurgePattern.GetLength();
+            bFindDot = true;
+            dwStyle |= FX_NUMSTYLE_DotVorv;
+          }
+          wsPurgePattern += wsSubCategory;
+          if (eSubCategory == FX_LOCALENUMPATTERN_Percent) {
+            dwStyle |= FX_NUMSTYLE_Percent;
+          }
+          continue;
+        }
+        ccf++;
+      }
+    } else if (pStr[ccf] == 'E') {
+      dwStyle |= FX_NUMSTYLE_Exponent;
+      wsPurgePattern += pStr[ccf];
+    } else if (pStr[ccf] == '%') {
+      dwStyle |= FX_NUMSTYLE_Percent;
+      wsPurgePattern += pStr[ccf];
+    } else if (pStr[ccf] != '}') {
+      wsPurgePattern += pStr[ccf];
+    }
+    if (!bFindDot) {
+      if (pStr[ccf] == '.' || pStr[ccf] == 'V' || pStr[ccf] == 'v') {
+        bFindDot = true;
+        iDotIndex = wsPurgePattern.GetLength() - 1;
+        dwStyle |= FX_NUMSTYLE_DotVorv;
+      }
+    }
+    ccf++;
+  }
+  if (!bFindDot) {
+    iDotIndex = wsPurgePattern.GetLength();
+  }
+  if (!pLocale) {
+    pLocale = m_pLocaleMgr->GetDefLocale();
+  }
+  return pLocale;
+}
+
+bool CFGAS_FormatString::ParseText(const CFX_WideString& wsSrcText,
+                                   const CFX_WideString& wsPattern,
+                                   CFX_WideString& wsValue) {
+  wsValue.clear();
+  if (wsSrcText.IsEmpty() || wsPattern.IsEmpty()) {
+    return false;
+  }
+  CFX_WideString wsTextFormat;
+  GetTextFormat(wsPattern, L"text", wsTextFormat);
+  if (wsTextFormat.IsEmpty()) {
+    return false;
+  }
+  int32_t iText = 0, iPattern = 0;
+  const wchar_t* pStrText = wsSrcText.c_str();
+  int32_t iLenText = wsSrcText.GetLength();
+  const wchar_t* pStrPattern = wsTextFormat.c_str();
+  int32_t iLenPattern = wsTextFormat.GetLength();
+  while (iPattern < iLenPattern && iText < iLenText) {
+    switch (pStrPattern[iPattern]) {
+      case '\'': {
+        CFX_WideString wsLiteral =
+            GetLiteralText(pStrPattern, iPattern, iLenPattern);
+        int32_t iLiteralLen = wsLiteral.GetLength();
+        if (iText + iLiteralLen > iLenText ||
+            FXSYS_wcsncmp(pStrText + iText, wsLiteral.c_str(), iLiteralLen)) {
+          wsValue = wsSrcText;
+          return false;
+        }
+        iText += iLiteralLen;
+        iPattern++;
+        break;
+      }
+      case 'A':
+        if (FXSYS_iswalpha(pStrText[iText])) {
+          wsValue += pStrText[iText];
+          iText++;
+        }
+        iPattern++;
+        break;
+      case 'X':
+        wsValue += pStrText[iText];
+        iText++;
+        iPattern++;
+        break;
+      case 'O':
+      case '0':
+        if (FXSYS_isDecimalDigit(pStrText[iText]) ||
+            FXSYS_iswalpha(pStrText[iText])) {
+          wsValue += pStrText[iText];
+          iText++;
+        }
+        iPattern++;
+        break;
+      case '9':
+        if (FXSYS_isDecimalDigit(pStrText[iText])) {
+          wsValue += pStrText[iText];
+          iText++;
+        }
+        iPattern++;
+        break;
+      default:
+        if (pStrPattern[iPattern] != pStrText[iText]) {
+          wsValue = wsSrcText;
+          return false;
+        }
+        iPattern++;
+        iText++;
+        break;
+    }
+  }
+  return iPattern == iLenPattern && iText == iLenText;
+}
+
+bool CFGAS_FormatString::ParseNum(const CFX_WideString& wsSrcNum,
+                                  const CFX_WideString& wsPattern,
+                                  CFX_WideString& wsValue) {
+  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;
+
+  int32_t iExponent = 0;
+  CFX_WideString wsDotSymbol =
+      pLocale->GetNumbericSymbol(FX_LOCALENUMSYMBOL_Decimal);
+  CFX_WideString wsGroupSymbol =
+      pLocale->GetNumbericSymbol(FX_LOCALENUMSYMBOL_Grouping);
+  int32_t iGroupLen = wsGroupSymbol.GetLength();
+  CFX_WideString wsMinus = pLocale->GetNumbericSymbol(FX_LOCALENUMSYMBOL_Minus);
+  int32_t iMinusLen = wsMinus.GetLength();
+  int cc = 0, ccf = 0;
+  const wchar_t* str = wsSrcNum.c_str();
+  int len = wsSrcNum.GetLength();
+  const wchar_t* strf = wsNumFormat.c_str();
+  int lenf = wsNumFormat.GetLength();
+  bool bHavePercentSymbol = false;
+  bool bNeg = false;
+  bool bReverseParse = false;
+  int32_t dot_index = 0;
+  if (!GetNumericDotIndex(wsSrcNum, wsDotSymbol, dot_index) &&
+      (dwFormatStyle & FX_NUMSTYLE_DotVorv)) {
+    bReverseParse = true;
+  }
+  bReverseParse = false;
+  ccf = dot_index_f - 1;
+  cc = dot_index - 1;
+  while (ccf >= 0 && cc >= 0) {
+    switch (strf[ccf]) {
+      case '\'': {
+        CFX_WideString wsLiteral = GetLiteralTextReverse(strf, ccf);
+        int32_t iLiteralLen = wsLiteral.GetLength();
+        cc -= iLiteralLen - 1;
+        if (cc < 0 || FXSYS_wcsncmp(str + cc, wsLiteral.c_str(), iLiteralLen)) {
+          return false;
+        }
+        cc--;
+        ccf--;
+        break;
+      }
+      case '9':
+        if (!FXSYS_isDecimalDigit(str[cc])) {
+          return false;
+        }
+        wsValue = str[cc] + wsValue;
+        cc--;
+        ccf--;
+        break;
+      case 'z':
+        if (FXSYS_isDecimalDigit(str[cc])) {
+          wsValue = str[cc] + wsValue;
+          cc--;
+        }
+        ccf--;
+        break;
+      case 'Z':
+        if (str[cc] != ' ') {
+          if (FXSYS_isDecimalDigit(str[cc])) {
+            wsValue = str[cc] + wsValue;
+            cc--;
+          }
+        } else {
+          cc--;
+        }
+        ccf--;
+        break;
+      case 'S':
+        if (str[cc] == '+' || str[cc] == ' ') {
+          cc--;
+        } else {
+          cc -= iMinusLen - 1;
+          if (cc < 0 || FXSYS_wcsncmp(str + cc, wsMinus.c_str(), iMinusLen)) {
+            return false;
+          }
+          cc--;
+          bNeg = true;
+        }
+        ccf--;
+        break;
+      case 's':
+        if (str[cc] == '+') {
+          cc--;
+        } else {
+          cc -= iMinusLen - 1;
+          if (cc < 0 || FXSYS_wcsncmp(str + cc, wsMinus.c_str(), iMinusLen)) {
+            return false;
+          }
+          cc--;
+          bNeg = true;
+        }
+        ccf--;
+        break;
+      case 'E': {
+        if (cc >= dot_index) {
+          return false;
+        }
+        bool bExpSign = false;
+        while (cc >= 0) {
+          if (str[cc] == 'E' || str[cc] == 'e') {
+            break;
+          }
+          if (FXSYS_isDecimalDigit(str[cc])) {
+            iExponent = iExponent + (str[cc] - '0') * 10;
+            cc--;
+            continue;
+          } else if (str[cc] == '+') {
+            cc--;
+            continue;
+          } else if (cc - iMinusLen + 1 > 0 &&
+                     !FXSYS_wcsncmp(str + (cc - iMinusLen + 1), wsMinus.c_str(),
+                                    iMinusLen)) {
+            bExpSign = true;
+            cc -= iMinusLen;
+          } else {
+            return false;
+          }
+        }
+        cc--;
+        iExponent = bExpSign ? -iExponent : iExponent;
+        ccf--;
+      } break;
+      case '$': {
+        CFX_WideString wsSymbol =
+            pLocale->GetNumbericSymbol(FX_LOCALENUMSYMBOL_CurrencySymbol);
+        int32_t iSymbolLen = wsSymbol.GetLength();
+        cc -= iSymbolLen - 1;
+        if (cc < 0 || FXSYS_wcsncmp(str + cc, wsSymbol.c_str(), iSymbolLen)) {
+          return false;
+        }
+        cc--;
+        ccf--;
+      } break;
+      case 'r':
+        if (ccf - 1 >= 0 && strf[ccf - 1] == 'c') {
+          if (str[cc] == 'R' && cc - 1 >= 0 && str[cc - 1] == 'C') {
+            bNeg = true;
+            cc -= 2;
+          }
+          ccf -= 2;
+        } else {
+          ccf--;
+        }
+        break;
+      case 'R':
+        if (ccf - 1 >= 0 && strf[ccf - 1] == 'C') {
+          if (str[cc] == ' ') {
+            cc++;
+          } else if (str[cc] == 'R' && cc - 1 >= 0 && str[cc - 1] == 'C') {
+            bNeg = true;
+            cc -= 2;
+          }
+          ccf -= 2;
+        } else {
+          ccf--;
+        }
+        break;
+      case 'b':
+        if (ccf - 1 >= 0 && strf[ccf - 1] == 'd') {
+          if (str[cc] == 'B' && cc - 1 >= 0 && str[cc - 1] == 'D') {
+            bNeg = true;
+            cc -= 2;
+          }
+          ccf -= 2;
+        } else {
+          ccf--;
+        }
+        break;
+      case 'B':
+        if (ccf - 1 >= 0 && strf[ccf - 1] == 'D') {
+          if (str[cc] == ' ') {
+            cc++;
+          } else if (str[cc] == 'B' && cc - 1 >= 0 && str[cc - 1] == 'D') {
+            bNeg = true;
+            cc -= 2;
+          }
+          ccf -= 2;
+        } else {
+          ccf--;
+        }
+        break;
+      case '.':
+      case 'V':
+      case 'v':
+        return false;
+      case '%': {
+        CFX_WideString wsSymbol =
+            pLocale->GetNumbericSymbol(FX_LOCALENUMSYMBOL_Percent);
+        int32_t iSysmbolLen = wsSymbol.GetLength();
+        cc -= iSysmbolLen - 1;
+        if (cc < 0 || FXSYS_wcsncmp(str + cc, wsSymbol.c_str(), iSysmbolLen)) {
+          return false;
+        }
+        cc--;
+        ccf--;
+        bHavePercentSymbol = true;
+      } break;
+      case '8':
+        return false;
+      case ',': {
+        if (cc >= 0) {
+          cc -= iGroupLen - 1;
+          if (cc >= 0 &&
+              FXSYS_wcsncmp(str + cc, wsGroupSymbol.c_str(), iGroupLen) == 0) {
+            cc--;
+          } else {
+            cc += iGroupLen - 1;
+          }
+        }
+        ccf--;
+      } break;
+      case '(':
+        if (str[cc] == L'(') {
+          bNeg = true;
+        } else if (str[cc] != L' ') {
+          return false;
+        }
+        cc--;
+        ccf--;
+        break;
+      case ')':
+        if (str[cc] == L')') {
+          bNeg = true;
+        } else if (str[cc] != L' ') {
+          return false;
+        }
+        cc--;
+        ccf--;
+        break;
+      default:
+        if (strf[ccf] != str[cc]) {
+          return false;
+        }
+        cc--;
+        ccf--;
+    }
+  }
+  if (cc >= 0) {
+    if (str[cc] == '-') {
+      bNeg = true;
+      cc--;
+    }
+    if (cc >= 0) {
+      return false;
+    }
+  }
+  if (dot_index < len && (dwFormatStyle & FX_NUMSTYLE_DotVorv)) {
+    wsValue += '.';
+  }
+  if (!bReverseParse) {
+    ccf = dot_index_f + 1;
+    cc = (dot_index == len) ? len : dot_index + 1;
+    while (cc < len && ccf < lenf) {
+      switch (strf[ccf]) {
+        case '\'': {
+          CFX_WideString wsLiteral = GetLiteralText(strf, ccf, lenf);
+          int32_t iLiteralLen = wsLiteral.GetLength();
+          if (cc + iLiteralLen > len ||
+              FXSYS_wcsncmp(str + cc, wsLiteral.c_str(), iLiteralLen)) {
+            return false;
+          }
+          cc += iLiteralLen;
+          ccf++;
+          break;
+        }
+        case '9':
+          if (!FXSYS_isDecimalDigit(str[cc])) {
+            return false;
+          }
+          { wsValue += str[cc]; }
+          cc++;
+          ccf++;
+          break;
+        case 'z':
+          if (FXSYS_isDecimalDigit(str[cc])) {
+            wsValue += str[cc];
+            cc++;
+          }
+          ccf++;
+          break;
+        case 'Z':
+          if (str[cc] != ' ') {
+            if (FXSYS_isDecimalDigit(str[cc])) {
+              wsValue += str[cc];
+              cc++;
+            }
+          } else {
+            cc++;
+          }
+          ccf++;
+          break;
+        case 'S':
+          if (str[cc] == '+' || str[cc] == ' ') {
+            cc++;
+          } else {
+            if (cc + iMinusLen > len ||
+                FXSYS_wcsncmp(str + cc, wsMinus.c_str(), iMinusLen)) {
+              return false;
+            }
+            bNeg = true;
+            cc += iMinusLen;
+          }
+          ccf++;
+          break;
+        case 's':
+          if (str[cc] == '+') {
+            cc++;
+          } else {
+            if (cc + iMinusLen > len ||
+                FXSYS_wcsncmp(str + cc, wsMinus.c_str(), iMinusLen)) {
+              return false;
+            }
+            bNeg = true;
+            cc += iMinusLen;
+          }
+          ccf++;
+          break;
+        case 'E': {
+          if (cc >= len || (str[cc] != 'E' && str[cc] != 'e')) {
+            return false;
+          }
+          bool bExpSign = false;
+          cc++;
+          if (cc < len) {
+            if (str[cc] == '+') {
+              cc++;
+            } else if (str[cc] == '-') {
+              bExpSign = true;
+              cc++;
+            }
+          }
+          while (cc < len) {
+            if (!FXSYS_isDecimalDigit(str[cc])) {
+              break;
+            }
+            iExponent = iExponent * 10 + str[cc] - '0';
+            cc++;
+          }
+          iExponent = bExpSign ? -iExponent : iExponent;
+          ccf++;
+        } break;
+        case '$': {
+          CFX_WideString wsSymbol =
+              pLocale->GetNumbericSymbol(FX_LOCALENUMSYMBOL_CurrencySymbol);
+          int32_t iSymbolLen = wsSymbol.GetLength();
+          if (cc + iSymbolLen > len ||
+              FXSYS_wcsncmp(str + cc, wsSymbol.c_str(), iSymbolLen)) {
+            return false;
+          }
+          cc += iSymbolLen;
+          ccf++;
+        } break;
+        case 'c':
+          if (ccf + 1 < lenf && strf[ccf + 1] == 'r') {
+            if (str[cc] == 'C' && cc + 1 < len && str[cc + 1] == 'R') {
+              bNeg = true;
+              cc += 2;
+            }
+            ccf += 2;
+          }
+          break;
+        case 'C':
+          if (ccf + 1 < lenf && strf[ccf + 1] == 'R') {
+            if (str[cc] == ' ') {
+              cc++;
+            } else if (str[cc] == 'C' && cc + 1 < len && str[cc + 1] == 'R') {
+              bNeg = true;
+              cc += 2;
+            }
+            ccf += 2;
+          }
+          break;
+        case 'd':
+          if (ccf + 1 < lenf && strf[ccf + 1] == 'b') {
+            if (str[cc] == 'D' && cc + 1 < len && str[cc + 1] == 'B') {
+              bNeg = true;
+              cc += 2;
+            }
+            ccf += 2;
+          }
+          break;
+        case 'D':
+          if (ccf + 1 < lenf && strf[ccf + 1] == 'B') {
+            if (str[cc] == ' ') {
+              cc++;
+            } else if (str[cc] == 'D' && cc + 1 < len && str[cc + 1] == 'B') {
+              bNeg = true;
+              cc += 2;
+            }
+            ccf += 2;
+          }
+          break;
+        case '.':
+        case 'V':
+        case 'v':
+          return false;
+        case '%': {
+          CFX_WideString wsSymbol =
+              pLocale->GetNumbericSymbol(FX_LOCALENUMSYMBOL_Percent);
+          int32_t iSysmbolLen = wsSymbol.GetLength();
+          if (cc + iSysmbolLen <= len &&
+              !FXSYS_wcsncmp(str + cc, wsSymbol.c_str(), iSysmbolLen)) {
+            cc += iSysmbolLen;
+          }
+          ccf++;
+          bHavePercentSymbol = true;
+        } break;
+        case '8': {
+          while (ccf < lenf && strf[ccf] == '8') {
+            ccf++;
+          }
+          while (cc < len && FXSYS_isDecimalDigit(str[cc])) {
+            wsValue += str[cc];
+            cc++;
+          }
+        } break;
+        case ',': {
+          if (cc + iGroupLen <= len &&
+              FXSYS_wcsncmp(str + cc, wsGroupSymbol.c_str(), iGroupLen) == 0) {
+            cc += iGroupLen;
+          }
+          ccf++;
+        } break;
+        case '(':
+          if (str[cc] == L'(') {
+            bNeg = true;
+          } else if (str[cc] != L' ') {
+            return false;
+          }
+          cc++;
+          ccf++;
+          break;
+        case ')':
+          if (str[cc] == L')') {
+            bNeg = true;
+          } else if (str[cc] != L' ') {
+            return false;
+          }
+          cc++;
+          ccf++;
+          break;
+        default:
+          if (strf[ccf] != str[cc]) {
+            return false;
+          }
+          cc++;
+          ccf++;
+      }
+    }
+    if (cc != len) {
+      return false;
+    }
+  }
+  if (iExponent || bHavePercentSymbol) {
+    CFX_Decimal decimal = CFX_Decimal(wsValue.AsStringC());
+    if (iExponent) {
+      decimal = decimal *
+                CFX_Decimal(FXSYS_pow(10, static_cast<float>(iExponent)), 3);
+    }
+    if (bHavePercentSymbol) {
+      decimal = decimal / CFX_Decimal(100);
+    }
+    wsValue = decimal;
+  }
+  if (bNeg) {
+    wsValue = L'-' + wsValue;
+  }
+  return true;
+}
+
+FX_DATETIMETYPE CFGAS_FormatString::GetDateTimeFormat(
+    const CFX_WideString& wsPattern,
+    IFX_Locale*& pLocale,
+    CFX_WideString& wsDatePattern,
+    CFX_WideString& wsTimePattern) {
+  pLocale = nullptr;
+  CFX_WideString wsTempPattern;
+  FX_LOCALECATEGORY eCategory = FX_LOCALECATEGORY_Unknown;
+  int32_t ccf = 0;
+  int32_t iLenf = wsPattern.GetLength();
+  const wchar_t* pStr = wsPattern.c_str();
+  int32_t iFindCategory = 0;
+  bool bBraceOpen = false;
+  CFX_WideStringC wsConstChars(gs_wsConstChars);
+  while (ccf < iLenf) {
+    if (pStr[ccf] == '\'') {
+      int32_t iCurChar = ccf;
+      GetLiteralText(pStr, ccf, iLenf);
+      wsTempPattern += CFX_WideStringC(pStr + iCurChar, ccf - iCurChar + 1);
+    } else if (!bBraceOpen && iFindCategory != 3 &&
+               wsConstChars.Find(pStr[ccf]) == -1) {
+      CFX_WideString wsCategory(pStr[ccf]);
+      ccf++;
+      while (ccf < iLenf && pStr[ccf] != '{' && pStr[ccf] != '.' &&
+             pStr[ccf] != '(') {
+        if (pStr[ccf] == 'T') {
+          wsDatePattern = wsPattern.Left(ccf);
+          wsTimePattern = wsPattern.Right(wsPattern.GetLength() - ccf);
+          wsTimePattern.SetAt(0, ' ');
+          if (!pLocale) {
+            pLocale = m_pLocaleMgr->GetDefLocale();
+          }
+          return FX_DATETIMETYPE_DateTime;
+        }
+        wsCategory += pStr[ccf];
+        ccf++;
+      }
+      if (!(iFindCategory & 1) && wsCategory == L"date") {
+        iFindCategory |= 1;
+        eCategory = FX_LOCALECATEGORY_Date;
+        if (iFindCategory & 2) {
+          iFindCategory = 4;
+        }
+      } else if (!(iFindCategory & 2) && wsCategory == L"time") {
+        iFindCategory |= 2;
+        eCategory = FX_LOCALECATEGORY_Time;
+      } else if (wsCategory == L"datetime") {
+        iFindCategory = 3;
+        eCategory = FX_LOCALECATEGORY_DateTime;
+      } else {
+        continue;
+      }
+      while (ccf < iLenf) {
+        if (pStr[ccf] == '(') {
+          ccf++;
+          CFX_WideString wsLCID;
+          while (ccf < iLenf && pStr[ccf] != ')') {
+            wsLCID += pStr[ccf++];
+          }
+          pLocale = GetPatternLocale(wsLCID);
+        } else if (pStr[ccf] == '{') {
+          bBraceOpen = true;
+          break;
+        } else if (pStr[ccf] == '.') {
+          CFX_WideString wsSubCategory;
+          ccf++;
+          while (ccf < iLenf && pStr[ccf] != '(' && pStr[ccf] != '{') {
+            wsSubCategory += pStr[ccf++];
+          }
+          uint32_t dwSubHash =
+              FX_HashCode_GetW(wsSubCategory.AsStringC(), false);
+          FX_LOCALEDATETIMESUBCATEGORY eSubCategory =
+              FX_LOCALEDATETIMESUBCATEGORY_Medium;
+          for (int32_t i = 0; i < g_iFXLocaleDateTimeSubCatCount; i++) {
+            if (g_FXLocaleDateTimeSubCatData[i].uHash == dwSubHash) {
+              eSubCategory =
+                  (FX_LOCALEDATETIMESUBCATEGORY)g_FXLocaleDateTimeSubCatData[i]
+                      .eSubCategory;
+              break;
+            }
+          }
+          if (!pLocale) {
+            pLocale = m_pLocaleMgr->GetDefLocale();
+          }
+          ASSERT(pLocale);
+          switch (eCategory) {
+            case FX_LOCALECATEGORY_Date:
+              wsDatePattern =
+                  wsTempPattern + pLocale->GetDatePattern(eSubCategory);
+              break;
+            case FX_LOCALECATEGORY_Time:
+              wsTimePattern =
+                  wsTempPattern + pLocale->GetTimePattern(eSubCategory);
+              break;
+            case FX_LOCALECATEGORY_DateTime:
+              wsDatePattern =
+                  wsTempPattern + pLocale->GetDatePattern(eSubCategory);
+              wsTimePattern = pLocale->GetTimePattern(eSubCategory);
+              break;
+            default:
+              break;
+          }
+          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.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.clear();
+    wsDatePattern = wsPattern;
+  }
+  return (FX_DATETIMETYPE)iFindCategory;
+}
+
+bool CFGAS_FormatString::ParseDateTime(const CFX_WideString& wsSrcDateTime,
+                                       const CFX_WideString& wsPattern,
+                                       FX_DATETIMETYPE eDateTimeType,
+                                       CFX_DateTime* dtValue) {
+  dtValue->Reset();
+
+  if (wsSrcDateTime.IsEmpty() || wsPattern.IsEmpty()) {
+    return false;
+  }
+  CFX_WideString wsDatePattern, wsTimePattern;
+  IFX_Locale* pLocale = nullptr;
+  FX_DATETIMETYPE eCategory =
+      GetDateTimeFormat(wsPattern, pLocale, wsDatePattern, wsTimePattern);
+  if (!pLocale) {
+    return false;
+  }
+  if (eCategory == FX_DATETIMETYPE_Unknown) {
+    eCategory = eDateTimeType;
+  }
+  if (eCategory == FX_DATETIMETYPE_Unknown) {
+    return false;
+  }
+  if (eCategory == FX_DATETIMETYPE_TimeDate) {
+    int32_t iStart = 0;
+    if (!ParseLocaleTime(wsSrcDateTime, wsTimePattern, pLocale, dtValue,
+                         iStart)) {
+      return false;
+    }
+    if (!ParseLocaleDate(wsSrcDateTime, wsDatePattern, pLocale, dtValue,
+                         iStart)) {
+      return false;
+    }
+  } else {
+    int32_t iStart = 0;
+    if ((eCategory & FX_DATETIMETYPE_Date) &&
+        !ParseLocaleDate(wsSrcDateTime, wsDatePattern, pLocale, dtValue,
+                         iStart)) {
+      return false;
+    }
+    if ((eCategory & FX_DATETIMETYPE_Time) &&
+        !ParseLocaleTime(wsSrcDateTime, wsTimePattern, pLocale, dtValue,
+                         iStart)) {
+      return false;
+    }
+  }
+  return true;
+}
+bool CFGAS_FormatString::ParseZero(const CFX_WideString& wsSrcText,
+                                   const CFX_WideString& wsPattern) {
+  CFX_WideString wsTextFormat;
+  GetTextFormat(wsPattern, L"zero", wsTextFormat);
+  int32_t iText = 0, iPattern = 0;
+  const wchar_t* pStrText = wsSrcText.c_str();
+  int32_t iLenText = wsSrcText.GetLength();
+  const wchar_t* pStrPattern = wsTextFormat.c_str();
+  int32_t iLenPattern = wsTextFormat.GetLength();
+  while (iPattern < iLenPattern && iText < iLenText) {
+    if (pStrPattern[iPattern] == '\'') {
+      CFX_WideString wsLiteral =
+          GetLiteralText(pStrPattern, iPattern, iLenPattern);
+      int32_t iLiteralLen = wsLiteral.GetLength();
+      if (iText + iLiteralLen > iLenText ||
+          FXSYS_wcsncmp(pStrText + iText, wsLiteral.c_str(), iLiteralLen)) {
+        return false;
+      }
+      iText += iLiteralLen;
+      iPattern++;
+      continue;
+    } else if (pStrPattern[iPattern] != pStrText[iText]) {
+      return false;
+    } else {
+      iText++;
+      iPattern++;
+    }
+  }
+  return iPattern == iLenPattern && iText == iLenText;
+}
+bool CFGAS_FormatString::ParseNull(const CFX_WideString& wsSrcText,
+                                   const CFX_WideString& wsPattern) {
+  CFX_WideString wsTextFormat;
+  GetTextFormat(wsPattern, L"null", wsTextFormat);
+  int32_t iText = 0, iPattern = 0;
+  const wchar_t* pStrText = wsSrcText.c_str();
+  int32_t iLenText = wsSrcText.GetLength();
+  const wchar_t* pStrPattern = wsTextFormat.c_str();
+  int32_t iLenPattern = wsTextFormat.GetLength();
+  while (iPattern < iLenPattern && iText < iLenText) {
+    if (pStrPattern[iPattern] == '\'') {
+      CFX_WideString wsLiteral =
+          GetLiteralText(pStrPattern, iPattern, iLenPattern);
+      int32_t iLiteralLen = wsLiteral.GetLength();
+      if (iText + iLiteralLen > iLenText ||
+          FXSYS_wcsncmp(pStrText + iText, wsLiteral.c_str(), iLiteralLen)) {
+        return false;
+      }
+      iText += iLiteralLen;
+      iPattern++;
+      continue;
+    } else if (pStrPattern[iPattern] != pStrText[iText]) {
+      return false;
+    } else {
+      iText++;
+      iPattern++;
+    }
+  }
+  return iPattern == iLenPattern && iText == iLenText;
+}
+bool CFGAS_FormatString::FormatText(const CFX_WideString& wsSrcText,
+                                    const CFX_WideString& wsPattern,
+                                    CFX_WideString& wsOutput) {
+  if (wsPattern.IsEmpty()) {
+    return false;
+  }
+  int32_t iLenText = wsSrcText.GetLength();
+  if (iLenText == 0) {
+    return false;
+  }
+  CFX_WideString wsTextFormat;
+  GetTextFormat(wsPattern, L"text", wsTextFormat);
+  int32_t iText = 0, iPattern = 0;
+  const wchar_t* pStrText = wsSrcText.c_str();
+  const wchar_t* pStrPattern = wsTextFormat.c_str();
+  int32_t iLenPattern = wsTextFormat.GetLength();
+  while (iPattern < iLenPattern) {
+    switch (pStrPattern[iPattern]) {
+      case '\'': {
+        wsOutput += GetLiteralText(pStrPattern, iPattern, iLenPattern);
+        iPattern++;
+        break;
+      }
+      case 'A':
+        if (iText >= iLenText || !FXSYS_iswalpha(pStrText[iText])) {
+          return false;
+        }
+        wsOutput += pStrText[iText++];
+        iPattern++;
+        break;
+      case 'X':
+        if (iText >= iLenText) {
+          return false;
+        }
+        wsOutput += pStrText[iText++];
+        iPattern++;
+        break;
+      case 'O':
+      case '0':
+        if (iText >= iLenText || (!FXSYS_isDecimalDigit(pStrText[iText]) &&
+                                  !FXSYS_iswalpha(pStrText[iText]))) {
+          return false;
+        }
+        wsOutput += pStrText[iText++];
+        iPattern++;
+        break;
+      case '9':
+        if (iText >= iLenText || !FXSYS_isDecimalDigit(pStrText[iText])) {
+          return false;
+        }
+        wsOutput += pStrText[iText++];
+        iPattern++;
+        break;
+      default:
+        wsOutput += pStrPattern[iPattern++];
+        break;
+    }
+  }
+  return iText == iLenText;
+}
+
+bool CFGAS_FormatString::FormatStrNum(const CFX_WideStringC& wsInputNum,
+                                      const CFX_WideString& wsPattern,
+                                      CFX_WideString& wsOutput) {
+  if (wsInputNum.IsEmpty() || wsPattern.IsEmpty()) {
+    return false;
+  }
+  int32_t dot_index_f = -1;
+  uint32_t dwNumStyle = 0;
+  CFX_WideString wsNumFormat;
+  IFX_Locale* pLocale =
+      GetNumericFormat(wsPattern, dot_index_f, dwNumStyle, wsNumFormat);
+  if (!pLocale || wsNumFormat.IsEmpty()) {
+    return false;
+  }
+  int32_t cc = 0, ccf = 0;
+  const wchar_t* strf = wsNumFormat.c_str();
+  int lenf = wsNumFormat.GetLength();
+  CFX_WideString wsSrcNum(wsInputNum);
+  wsSrcNum.TrimLeft('0');
+  if (wsSrcNum.IsEmpty() || wsSrcNum[0] == '.') {
+    wsSrcNum.Insert(0, '0');
+  }
+  CFX_Decimal decimal = CFX_Decimal(wsSrcNum.AsStringC());
+  if (dwNumStyle & FX_NUMSTYLE_Percent) {
+    decimal = decimal * CFX_Decimal(100);
+    wsSrcNum = decimal;
+  }
+  int32_t exponent = 0;
+  if (dwNumStyle & FX_NUMSTYLE_Exponent) {
+    int fixed_count = 0;
+    while (ccf < dot_index_f) {
+      switch (strf[ccf]) {
+        case '\'':
+          GetLiteralText(strf, ccf, dot_index_f);
+          break;
+        case '9':
+        case 'z':
+        case 'Z':
+          fixed_count++;
+          break;
+      }
+      ccf++;
+    }
+    int threshold = 1;
+    while (fixed_count > 1) {
+      threshold *= 10;
+      fixed_count--;
+    }
+    if (decimal != CFX_Decimal(0)) {
+      if (decimal < CFX_Decimal(threshold)) {
+        decimal = decimal * CFX_Decimal(10);
+        exponent = -1;
+        while (decimal < CFX_Decimal(threshold)) {
+          decimal = decimal * CFX_Decimal(10);
+          exponent -= 1;
+        }
+      } else if (decimal > CFX_Decimal(threshold)) {
+        threshold *= 10;
+        while (decimal > CFX_Decimal(threshold)) {
+          decimal = decimal / CFX_Decimal(10);
+          exponent += 1;
+        }
+      }
+    }
+  }
+  bool bTrimTailZeros = false;
+  int32_t iTreading =
+      GetNumTrailingLimit(wsNumFormat, dot_index_f, bTrimTailZeros);
+  int32_t scale = decimal.GetScale();
+  if (iTreading < scale) {
+    decimal.SetScale(iTreading);
+    wsSrcNum = decimal;
+  }
+  if (bTrimTailZeros && scale > 0 && iTreading > 0) {
+    wsSrcNum.TrimRight(L"0");
+    wsSrcNum.TrimRight(L".");
+  }
+  CFX_WideString wsGroupSymbol =
+      pLocale->GetNumbericSymbol(FX_LOCALENUMSYMBOL_Grouping);
+  bool bNeg = false;
+  if (wsSrcNum[0] == '-') {
+    bNeg = true;
+    wsSrcNum.Delete(0, 1);
+  }
+  bool bAddNeg = false;
+  const wchar_t* str = wsSrcNum.c_str();
+  int len = wsSrcNum.GetLength();
+  int dot_index = wsSrcNum.Find('.');
+  if (dot_index == -1) {
+    dot_index = len;
+  }
+  ccf = dot_index_f - 1;
+  cc = dot_index - 1;
+  while (ccf >= 0) {
+    switch (strf[ccf]) {
+      case '9':
+        if (cc >= 0) {
+          if (!FXSYS_isDecimalDigit(str[cc])) {
+            return false;
+          }
+          wsOutput = str[cc] + wsOutput;
+          cc--;
+        } else {
+          wsOutput = L'0' + wsOutput;
+        }
+        ccf--;
+        break;
+      case 'z':
+        if (cc >= 0) {
+          if (!FXSYS_isDecimalDigit(str[cc])) {
+            return false;
+          }
+          if (str[0] != '0') {
+            wsOutput = str[cc] + wsOutput;
+          }
+          cc--;
+        }
+        ccf--;
+        break;
+      case 'Z':
+        if (cc >= 0) {
+          if (!FXSYS_isDecimalDigit(str[cc])) {
+            return false;
+          }
+          if (str[0] == '0') {
+            wsOutput = L' ' + wsOutput;
+          } else {
+            wsOutput = str[cc] + wsOutput;
+          }
+          cc--;
+        } else {
+          wsOutput = L' ' + wsOutput;
+        }
+        ccf--;
+        break;
+      case 'S':
+        if (bNeg) {
+          wsOutput =
+              pLocale->GetNumbericSymbol(FX_LOCALENUMSYMBOL_Minus) + wsOutput;
+          bAddNeg = true;
+        } else {
+          wsOutput = L' ' + wsOutput;
+        }
+        ccf--;
+        break;
+      case 's':
+        if (bNeg) {
+          wsOutput =
+              pLocale->GetNumbericSymbol(FX_LOCALENUMSYMBOL_Minus) + wsOutput;
+          bAddNeg = true;
+        }
+        ccf--;
+        break;
+      case 'E': {
+        CFX_WideString wsExp;
+        wsExp.Format(L"E%+d", exponent);
+        wsOutput = wsExp + wsOutput;
+      }
+        ccf--;
+        break;
+      case '$': {
+        wsOutput =
+            pLocale->GetNumbericSymbol(FX_LOCALENUMSYMBOL_CurrencySymbol) +
+            wsOutput;
+      }
+        ccf--;
+        break;
+      case 'r':
+        if (ccf - 1 >= 0 && strf[ccf - 1] == 'c') {
+          if (bNeg) {
+            wsOutput = L"CR" + wsOutput;
+          }
+          ccf -= 2;
+          bAddNeg = true;
+        }
+        break;
+      case 'R':
+        if (ccf - 1 >= 0 && strf[ccf - 1] == 'C') {
+          if (bNeg) {
+            wsOutput = L"CR" + wsOutput;
+          } else {
+            wsOutput = L"  " + wsOutput;
+          }
+          ccf -= 2;
+          bAddNeg = true;
+        }
+        break;
+      case 'b':
+        if (ccf - 1 >= 0 && strf[ccf - 1] == 'd') {
+          if (bNeg) {
+            wsOutput = L"db" + wsOutput;
+          }
+          ccf -= 2;
+          bAddNeg = true;
+        }
+        break;
+      case 'B':
+        if (ccf - 1 >= 0 && strf[ccf - 1] == 'D') {
+          if (bNeg) {
+            wsOutput = L"DB" + wsOutput;
+          } else {
+            wsOutput = L"  " + wsOutput;
+          }
+          ccf -= 2;
+          bAddNeg = true;
+        }
+        break;
+      case '%': {
+        wsOutput =
+            pLocale->GetNumbericSymbol(FX_LOCALENUMSYMBOL_Percent) + wsOutput;
+      }
+        ccf--;
+        break;
+      case ',':
+        if (cc >= 0) {
+          wsOutput = wsGroupSymbol + wsOutput;
+        }
+        ccf--;
+        break;
+      case '(':
+        if (bNeg) {
+          wsOutput = L"(" + wsOutput;
+        } else {
+          wsOutput = L" " + wsOutput;
+        }
+        bAddNeg = true;
+        ccf--;
+        break;
+      case ')':
+        if (bNeg) {
+          wsOutput = L")" + wsOutput;
+        } else {
+          wsOutput = L" " + wsOutput;
+        }
+        ccf--;
+        break;
+      case '\'':
+        wsOutput = GetLiteralTextReverse(strf, ccf) + wsOutput;
+        ccf--;
+        break;
+      default:
+        wsOutput = strf[ccf] + wsOutput;
+        ccf--;
+    }
+  }
+  if (cc >= 0) {
+    int nPos = dot_index % 3;
+    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) {
+      wsOutput += pLocale->GetNumbericSymbol(FX_LOCALENUMSYMBOL_Decimal);
+      wsOutput += wsSrcNum.Right(len - dot_index - 1);
+    }
+    if (bNeg) {
+      wsOutput =
+          pLocale->GetNumbericSymbol(FX_LOCALENUMSYMBOL_Minus) + wsOutput;
+    }
+    return false;
+  }
+  if (dot_index_f == wsNumFormat.GetLength()) {
+    if (!bAddNeg && bNeg) {
+      wsOutput =
+          pLocale->GetNumbericSymbol(FX_LOCALENUMSYMBOL_Minus) + wsOutput;
+    }
+    return true;
+  }
+
+  CFX_WideString wsDotSymbol =
+      pLocale->GetNumbericSymbol(FX_LOCALENUMSYMBOL_Decimal);
+  if (strf[dot_index_f] == 'V') {
+    wsOutput += wsDotSymbol;
+  } else if (strf[dot_index_f] == '.') {
+    if (dot_index < len) {
+      wsOutput += wsDotSymbol;
+    } else {
+      if (strf[dot_index_f + 1] == '9' || strf[dot_index_f + 1] == 'Z') {
+        wsOutput += wsDotSymbol;
+      }
+    }
+  }
+  ccf = dot_index_f + 1;
+  cc = dot_index + 1;
+  while (ccf < lenf) {
+    switch (strf[ccf]) {
+      case '\'':
+        wsOutput += GetLiteralText(strf, ccf, lenf);
+        ccf++;
+        break;
+      case '9':
+        if (cc < len) {
+          if (!FXSYS_isDecimalDigit(str[cc])) {
+            return false;
+          }
+          wsOutput += str[cc];
+          cc++;
+        } else {
+          wsOutput += L'0';
+        }
+        ccf++;
+        break;
+      case 'z':
+        if (cc < len) {
+          if (!FXSYS_isDecimalDigit(str[cc])) {
+            return false;
+          }
+          wsOutput += str[cc];
+          cc++;
+        }
+        ccf++;
+        break;
+      case 'Z':
+        if (cc < len) {
+          if (!FXSYS_isDecimalDigit(str[cc])) {
+            return false;
+          }
+          wsOutput += str[cc];
+          cc++;
+        } else {
+          wsOutput += L'0';
+        }
+        ccf++;
+        break;
+      case 'E': {
+        CFX_WideString wsExp;
+        wsExp.Format(L"E%+d", exponent);
+        wsOutput += wsExp;
+        ccf++;
+      } break;
+      case '$':
+        wsOutput +=
+            pLocale->GetNumbericSymbol(FX_LOCALENUMSYMBOL_CurrencySymbol);
+        ccf++;
+        break;
+      case 'c':
+        if (ccf + 1 < lenf && strf[ccf + 1] == 'r') {
+          if (bNeg) {
+            wsOutput += L"CR";
+          }
+          ccf += 2;
+          bAddNeg = true;
+        }
+        break;
+      case 'C':
+        if (ccf + 1 < lenf && strf[ccf + 1] == 'R') {
+          if (bNeg) {
+            wsOutput += L"CR";
+          } else {
+            wsOutput += L"  ";
+          }
+          ccf += 2;
+          bAddNeg = true;
+        }
+        break;
+      case 'd':
+        if (ccf + 1 < lenf && strf[ccf + 1] == 'b') {
+          if (bNeg) {
+            wsOutput += L"db";
+          }
+          ccf += 2;
+          bAddNeg = true;
+        }
+        break;
+      case 'D':
+        if (ccf + 1 < lenf && strf[ccf + 1] == 'B') {
+          if (bNeg) {
+            wsOutput += L"DB";
+          } else {
+            wsOutput += L"  ";
+          }
+          ccf += 2;
+          bAddNeg = true;
+        }
+        break;
+      case '%':
+        wsOutput += pLocale->GetNumbericSymbol(FX_LOCALENUMSYMBOL_Percent);
+        ccf++;
+        break;
+      case '8':
+        while (ccf < lenf && strf[ccf] == '8')
+          ccf++;
+        while (cc < len && FXSYS_isDecimalDigit(str[cc])) {
+          wsOutput += str[cc];
+          cc++;
+        }
+        break;
+      case ',':
+        wsOutput += wsGroupSymbol;
+        ccf++;
+        break;
+      case '(':
+        if (bNeg) {
+          wsOutput += '(';
+        } else {
+          wsOutput += ' ';
+        }
+        bAddNeg = true;
+        ccf++;
+        break;
+      case ')':
+        if (bNeg) {
+          wsOutput += ')';
+        } else {
+          wsOutput += ' ';
+        }
+        ccf++;
+        break;
+      default:
+        ccf++;
+    }
+  }
+  if (!bAddNeg && bNeg) {
+    wsOutput = pLocale->GetNumbericSymbol(FX_LOCALENUMSYMBOL_Minus) +
+               wsOutput[0] + wsOutput.Mid(1, wsOutput.GetLength() - 1);
+  }
+  return true;
+}
+
+bool CFGAS_FormatString::FormatNum(const CFX_WideString& wsSrcNum,
+                                   const CFX_WideString& wsPattern,
+                                   CFX_WideString& wsOutput) {
+  if (wsSrcNum.IsEmpty() || wsPattern.IsEmpty()) {
+    return false;
+  }
+  return FormatStrNum(wsSrcNum.AsStringC(), wsPattern, wsOutput);
+}
+
+bool CFGAS_FormatString::FormatDateTime(const CFX_WideString& wsSrcDateTime,
+                                        const CFX_WideString& wsPattern,
+                                        CFX_WideString& wsOutput,
+                                        FX_DATETIMETYPE eDateTimeType) {
+  if (wsSrcDateTime.IsEmpty() || wsPattern.IsEmpty()) {
+    return false;
+  }
+  CFX_WideString wsDatePattern, wsTimePattern;
+  IFX_Locale* pLocale = nullptr;
+  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.clear();
+    }
+    eCategory = eDateTimeType;
+  }
+  if (eCategory == FX_DATETIMETYPE_Unknown) {
+    return false;
+  }
+  CFX_DateTime dt;
+  int32_t iT = wsSrcDateTime.Find(L"T");
+  if (iT < 0) {
+    if (eCategory == FX_DATETIMETYPE_Date &&
+        FX_DateFromCanonical(wsSrcDateTime, &dt)) {
+      return FormatDateTimeInternal(dt, wsDatePattern, wsTimePattern, true,
+                                    pLocale, wsOutput);
+    }
+    if (eCategory == FX_DATETIMETYPE_Time &&
+        FX_TimeFromCanonical(wsSrcDateTime.AsStringC(), &dt, pLocale)) {
+      return FormatDateTimeInternal(dt, wsDatePattern, wsTimePattern, true,
+                                    pLocale, wsOutput);
+    }
+  } else {
+    CFX_WideString wsSrcDate(wsSrcDateTime.c_str(), iT);
+    CFX_WideStringC wsSrcTime(wsSrcDateTime.c_str() + iT + 1,
+                              wsSrcDateTime.GetLength() - iT - 1);
+    if (wsSrcDate.IsEmpty() || wsSrcTime.IsEmpty())
+      return false;
+
+    if (FX_DateFromCanonical(wsSrcDate, &dt) &&
+        FX_TimeFromCanonical(wsSrcTime, &dt, pLocale)) {
+      return FormatDateTimeInternal(dt, wsDatePattern, wsTimePattern,
+                                    eCategory != FX_DATETIMETYPE_TimeDate,
+                                    pLocale, wsOutput);
+    }
+  }
+  return false;
+}
+
+bool CFGAS_FormatString::FormatZero(const CFX_WideString& wsPattern,
+                                    CFX_WideString& wsOutput) {
+  if (wsPattern.IsEmpty()) {
+    return false;
+  }
+  CFX_WideString wsTextFormat;
+  GetTextFormat(wsPattern, L"zero", wsTextFormat);
+  int32_t iPattern = 0;
+  const wchar_t* pStrPattern = wsTextFormat.c_str();
+  int32_t iLenPattern = wsTextFormat.GetLength();
+  while (iPattern < iLenPattern) {
+    if (pStrPattern[iPattern] == '\'') {
+      wsOutput += GetLiteralText(pStrPattern, iPattern, iLenPattern);
+      iPattern++;
+      continue;
+    } else {
+      wsOutput += pStrPattern[iPattern++];
+      continue;
+    }
+  }
+  return true;
+}
+bool CFGAS_FormatString::FormatNull(const CFX_WideString& wsPattern,
+                                    CFX_WideString& wsOutput) {
+  if (wsPattern.IsEmpty()) {
+    return false;
+  }
+  CFX_WideString wsTextFormat;
+  GetTextFormat(wsPattern, L"null", wsTextFormat);
+  int32_t iPattern = 0;
+  const wchar_t* pStrPattern = wsTextFormat.c_str();
+  int32_t iLenPattern = wsTextFormat.GetLength();
+  while (iPattern < iLenPattern) {
+    if (pStrPattern[iPattern] == '\'') {
+      wsOutput += GetLiteralText(pStrPattern, iPattern, iLenPattern);
+      iPattern++;
+      continue;
+    } else {
+      wsOutput += pStrPattern[iPattern++];
+      continue;
+    }
+  }
+  return true;
+}
+
+IFX_Locale* CFGAS_FormatString::GetPatternLocale(
+    const CFX_WideString& wsLocale) {
+  return m_pLocaleMgr->GetLocaleByName(wsLocale);
+}
diff --git a/xfa/fgas/crt/cfgas_formatstring.h b/xfa/fgas/crt/cfgas_formatstring.h
new file mode 100644
index 0000000000..d2d35a3042
--- /dev/null
+++ b/xfa/fgas/crt/cfgas_formatstring.h
@@ -0,0 +1,76 @@
+// Copyright 2017 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
+
+#ifndef XFA_FGAS_CRT_CFGAS_FORMATSTRING_H_
+#define XFA_FGAS_CRT_CFGAS_FORMATSTRING_H_
+
+#include <vector>
+
+#include "core/fxcrt/ifx_locale.h"
+#include "xfa/fxfa/parser/cxfa_localemgr.h"
+
+bool FX_DateFromCanonical(const CFX_WideString& wsDate, CFX_DateTime* datetime);
+bool FX_TimeFromCanonical(const CFX_WideStringC& wsTime,
+                          CFX_DateTime* datetime,
+                          IFX_Locale* pLocale);
+
+class CFGAS_FormatString {
+ public:
+  explicit CFGAS_FormatString(CXFA_LocaleMgr* pLocaleMgr);
+  ~CFGAS_FormatString();
+
+  void SplitFormatString(const CFX_WideString& wsFormatString,
+                         std::vector<CFX_WideString>& wsPatterns);
+  FX_LOCALECATEGORY GetCategory(const CFX_WideString& wsPattern);
+  CFX_WideString GetLocaleName(const CFX_WideString& wsPattern);
+  bool ParseText(const CFX_WideString& wsSrcText,
+                 const CFX_WideString& wsPattern,
+                 CFX_WideString& wsValue);
+  bool ParseNum(const CFX_WideString& wsSrcNum,
+                const CFX_WideString& wsPattern,
+                CFX_WideString& wsValue);
+  bool ParseDateTime(const CFX_WideString& wsSrcDateTime,
+                     const CFX_WideString& wsPattern,
+                     FX_DATETIMETYPE eDateTimeType,
+                     CFX_DateTime* dtValue);
+  bool ParseZero(const CFX_WideString& wsSrcText,
+                 const CFX_WideString& wsPattern);
+  bool ParseNull(const CFX_WideString& wsSrcText,
+                 const CFX_WideString& wsPattern);
+  bool FormatText(const CFX_WideString& wsSrcText,
+                  const CFX_WideString& wsPattern,
+                  CFX_WideString& wsOutput);
+  bool FormatNum(const CFX_WideString& wsSrcNum,
+                 const CFX_WideString& wsPattern,
+                 CFX_WideString& wsOutput);
+  bool FormatDateTime(const CFX_WideString& wsSrcDateTime,
+                      const CFX_WideString& wsPattern,
+                      CFX_WideString& wsOutput,
+                      FX_DATETIMETYPE eDateTimeType);
+  bool FormatZero(const CFX_WideString& wsPattern, CFX_WideString& wsOutput);
+  bool FormatNull(const CFX_WideString& wsPattern, CFX_WideString& wsOutput);
+
+ private:
+  IFX_Locale* GetTextFormat(const CFX_WideString& wsPattern,
+                            const CFX_WideStringC& wsCategory,
+                            CFX_WideString& wsPurgePattern);
+  IFX_Locale* GetNumericFormat(const CFX_WideString& wsPattern,
+                               int32_t& iDotIndex,
+                               uint32_t& dwStyle,
+                               CFX_WideString& wsPurgePattern);
+  bool FormatStrNum(const CFX_WideStringC& wsInputNum,
+                    const CFX_WideString& wsPattern,
+                    CFX_WideString& wsOutput);
+  FX_DATETIMETYPE GetDateTimeFormat(const CFX_WideString& wsPattern,
+                                    IFX_Locale*& pLocale,
+                                    CFX_WideString& wsDatePattern,
+                                    CFX_WideString& wsTimePattern);
+  IFX_Locale* GetPatternLocale(const CFX_WideString& wsLocale);
+
+  CXFA_LocaleMgr* m_pLocaleMgr;
+};
+
+#endif  // XFA_FGAS_CRT_CFGAS_FORMATSTRING_H_