Renaming and splitting in xfa/fxfa/parser.

This Cl renames several of the files in xfa/fxfa/parser to match the
name of the contained classes. Files with multiple clasess are split
apart when renamed.

Change-Id: Ice8a1279072ee13c2f62a81946be7f42f9ba6007
Reviewed-on: https://pdfium-review.googlesource.com/3250
Commit-Queue: Nicolás Peña <npm@chromium.org>
Reviewed-by: Nicolás Peña <npm@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>

1 files changed, 982 insertions, 0 deletions

diff --git a/xfa/fxfa/parser/cxfa_localevalue.cpp b/xfa/fxfa/parser/cxfa_localevalue.cpp
new file mode 100644
index 0000000000..189d7d9605
--- /dev/null
+++ b/xfa/fxfa/parser/cxfa_localevalue.cpp
@@ -0,0 +1,982 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/fxfa/parser/cxfa_localevalue.h"
+
+#include <vector>
+
+#include "core/fxcrt/fx_ext.h"
+#include "third_party/base/ptr_util.h"
+#include "third_party/base/stl_util.h"
+#include "xfa/fgas/localization/cfx_formatstring.h"
+#include "xfa/fxfa/parser/cxfa_document.h"
+#include "xfa/fxfa/parser/cxfa_localemgr.h"
+#include "xfa/fxfa/parser/xfa_object.h"
+#include "xfa/fxfa/parser/xfa_utils.h"
+
+CXFA_LocaleValue::CXFA_LocaleValue() {
+  m_dwType = XFA_VT_NULL;
+  m_bValid = true;
+  m_pLocaleMgr = nullptr;
+}
+CXFA_LocaleValue::CXFA_LocaleValue(const CXFA_LocaleValue& value) {
+  m_dwType = XFA_VT_NULL;
+  m_bValid = true;
+  m_pLocaleMgr = nullptr;
+  *this = value;
+}
+CXFA_LocaleValue::CXFA_LocaleValue(uint32_t dwType,
+                                   CXFA_LocaleMgr* pLocaleMgr) {
+  m_dwType = dwType;
+  m_bValid = (m_dwType != XFA_VT_NULL);
+  m_pLocaleMgr = pLocaleMgr;
+}
+CXFA_LocaleValue::CXFA_LocaleValue(uint32_t dwType,
+                                   const CFX_WideString& wsValue,
+                                   CXFA_LocaleMgr* pLocaleMgr) {
+  m_wsValue = wsValue;
+  m_dwType = dwType;
+  m_pLocaleMgr = pLocaleMgr;
+  m_bValid = ValidateCanonicalValue(wsValue, dwType);
+}
+CXFA_LocaleValue::CXFA_LocaleValue(uint32_t dwType,
+                                   const CFX_WideString& wsValue,
+                                   const CFX_WideString& wsFormat,
+                                   IFX_Locale* pLocale,
+                                   CXFA_LocaleMgr* pLocaleMgr) {
+  m_pLocaleMgr = pLocaleMgr;
+  m_bValid = true;
+  m_dwType = dwType;
+  m_bValid = ParsePatternValue(wsValue, wsFormat, pLocale);
+}
+CXFA_LocaleValue& CXFA_LocaleValue::operator=(const CXFA_LocaleValue& value) {
+  m_wsValue = value.m_wsValue;
+  m_dwType = value.m_dwType;
+  m_bValid = value.m_bValid;
+  m_pLocaleMgr = value.m_pLocaleMgr;
+  return *this;
+}
+CXFA_LocaleValue::~CXFA_LocaleValue() {}
+static FX_LOCALECATEGORY XFA_ValugeCategory(FX_LOCALECATEGORY eCategory,
+                                            uint32_t dwValueType) {
+  if (eCategory == FX_LOCALECATEGORY_Unknown) {
+    switch (dwValueType) {
+      case XFA_VT_BOOLEAN:
+      case XFA_VT_INTEGER:
+      case XFA_VT_DECIMAL:
+      case XFA_VT_FLOAT:
+        return FX_LOCALECATEGORY_Num;
+      case XFA_VT_TEXT:
+        return FX_LOCALECATEGORY_Text;
+      case XFA_VT_DATE:
+        return FX_LOCALECATEGORY_Date;
+      case XFA_VT_TIME:
+        return FX_LOCALECATEGORY_Time;
+      case XFA_VT_DATETIME:
+        return FX_LOCALECATEGORY_DateTime;
+    }
+  }
+  return eCategory;
+}
+
+bool CXFA_LocaleValue::ValidateValue(const CFX_WideString& wsValue,
+                                     const CFX_WideString& wsPattern,
+                                     IFX_Locale* pLocale,
+                                     CFX_WideString* pMatchFormat) {
+  CFX_WideString wsOutput;
+  IFX_Locale* locale = m_pLocaleMgr->GetDefLocale();
+  if (pLocale)
+    m_pLocaleMgr->SetDefLocale(pLocale);
+
+  auto pFormat = pdfium::MakeUnique<CFX_FormatString>(m_pLocaleMgr);
+  std::vector<CFX_WideString> wsPatterns;
+  pFormat->SplitFormatString(wsPattern, wsPatterns);
+
+  bool bRet = false;
+  int32_t iCount = pdfium::CollectionSize<int32_t>(wsPatterns);
+  int32_t i = 0;
+  for (; i < iCount && !bRet; i++) {
+    CFX_WideString wsFormat = wsPatterns[i];
+    FX_LOCALECATEGORY eCategory = pFormat->GetCategory(wsFormat);
+    eCategory = XFA_ValugeCategory(eCategory, m_dwType);
+    switch (eCategory) {
+      case FX_LOCALECATEGORY_Null:
+        bRet = pFormat->ParseNull(wsValue, wsFormat);
+        if (!bRet) {
+          bRet = wsValue.IsEmpty();
+        }
+        break;
+      case FX_LOCALECATEGORY_Zero:
+        bRet = pFormat->ParseZero(wsValue, wsFormat);
+        if (!bRet) {
+          bRet = wsValue == L"0";
+        }
+        break;
+      case FX_LOCALECATEGORY_Num: {
+        CFX_WideString fNum;
+        bRet = pFormat->ParseNum(wsValue, wsFormat, fNum);
+        if (!bRet) {
+          bRet = pFormat->FormatNum(wsValue, wsFormat, wsOutput);
+        }
+        break;
+      }
+      case FX_LOCALECATEGORY_Text:
+        bRet = pFormat->ParseText(wsValue, wsFormat, wsOutput);
+        wsOutput.clear();
+        if (!bRet) {
+          bRet = pFormat->FormatText(wsValue, wsFormat, wsOutput);
+        }
+        break;
+      case FX_LOCALECATEGORY_Date: {
+        CFX_Unitime dt;
+        bRet = ValidateCanonicalDate(wsValue, &dt);
+        if (!bRet) {
+          bRet = pFormat->ParseDateTime(wsValue, wsFormat, FX_DATETIMETYPE_Date,
+                                        &dt);
+          if (!bRet) {
+            bRet = pFormat->FormatDateTime(wsValue, wsFormat, wsOutput,
+                                           FX_DATETIMETYPE_Date);
+          }
+        }
+        break;
+      }
+      case FX_LOCALECATEGORY_Time: {
+        CFX_Unitime dt;
+        bRet = pFormat->ParseDateTime(wsValue, wsFormat, FX_DATETIMETYPE_Time,
+                                      &dt);
+        if (!bRet) {
+          bRet = pFormat->FormatDateTime(wsValue, wsFormat, wsOutput,
+                                         FX_DATETIMETYPE_Time);
+        }
+        break;
+      }
+      case FX_LOCALECATEGORY_DateTime: {
+        CFX_Unitime dt;
+        bRet = pFormat->ParseDateTime(wsValue, wsFormat,
+                                      FX_DATETIMETYPE_DateTime, &dt);
+        if (!bRet) {
+          bRet = pFormat->FormatDateTime(wsValue, wsFormat, wsOutput,
+                                         FX_DATETIMETYPE_DateTime);
+        }
+        break;
+      }
+      default:
+        bRet = false;
+        break;
+    }
+  }
+  if (bRet && pMatchFormat)
+    *pMatchFormat = wsPatterns[i - 1];
+
+  if (pLocale)
+    m_pLocaleMgr->SetDefLocale(locale);
+
+  return bRet;
+}
+
+CFX_WideString CXFA_LocaleValue::GetValue() const {
+  return m_wsValue;
+}
+uint32_t CXFA_LocaleValue::GetType() const {
+  return m_dwType;
+}
+void CXFA_LocaleValue::SetValue(const CFX_WideString& wsValue,
+                                uint32_t dwType) {
+  m_wsValue = wsValue;
+  m_dwType = dwType;
+}
+CFX_WideString CXFA_LocaleValue::GetText() const {
+  if (m_bValid && m_dwType == XFA_VT_TEXT) {
+    return m_wsValue;
+  }
+  return CFX_WideString();
+}
+float CXFA_LocaleValue::GetNum() const {
+  if (m_bValid && (m_dwType == XFA_VT_BOOLEAN || m_dwType == XFA_VT_INTEGER ||
+                   m_dwType == XFA_VT_DECIMAL || m_dwType == XFA_VT_FLOAT)) {
+    int64_t nIntegral = 0;
+    uint32_t dwFractional = 0;
+    int32_t nExponent = 0;
+    int cc = 0;
+    bool bNegative = false, bExpSign = false;
+    const wchar_t* str = m_wsValue.c_str();
+    int len = m_wsValue.GetLength();
+    while (FXSYS_iswspace(str[cc]) && cc < len) {
+      cc++;
+    }
+    if (cc >= len) {
+      return 0;
+    }
+    if (str[0] == '+') {
+      cc++;
+    } else if (str[0] == '-') {
+      bNegative = true;
+      cc++;
+    }
+    int nIntegralLen = 0;
+    while (cc < len) {
+      if (str[cc] == '.' || !FXSYS_isDecimalDigit(str[cc]) ||
+          nIntegralLen > 17) {
+        break;
+      }
+      nIntegral = nIntegral * 10 + str[cc] - '0';
+      cc++;
+      nIntegralLen++;
+    }
+    nIntegral = bNegative ? -nIntegral : nIntegral;
+    int scale = 0;
+    double fraction = 0.0;
+    if (cc < len && str[cc] == '.') {
+      cc++;
+      while (cc < len) {
+        fraction += XFA_GetFractionalScale(scale) * (str[cc] - '0');
+        scale++;
+        cc++;
+        if (scale == XFA_GetMaxFractionalScale() ||
+            !FXSYS_isDecimalDigit(str[cc])) {
+          break;
+        }
+      }
+      dwFractional = (uint32_t)(fraction * 4294967296.0);
+    }
+    if (cc < len && (str[cc] == 'E' || str[cc] == 'e')) {
+      cc++;
+      if (cc < len) {
+        if (str[cc] == '+') {
+          cc++;
+        } else if (str[cc] == '-') {
+          bExpSign = true;
+          cc++;
+        }
+      }
+      while (cc < len) {
+        if (str[cc] == '.' || !FXSYS_isDecimalDigit(str[cc])) {
+          break;
+        }
+        nExponent = nExponent * 10 + str[cc] - '0';
+        cc++;
+      }
+      nExponent = bExpSign ? -nExponent : nExponent;
+    }
+    float fValue = (float)(dwFractional / 4294967296.0);
+    fValue = nIntegral + (nIntegral >= 0 ? fValue : -fValue);
+    if (nExponent != 0) {
+      fValue *= FXSYS_pow(10, (float)nExponent);
+    }
+    return fValue;
+  }
+  return 0;
+}
+double CXFA_LocaleValue::GetDoubleNum() const {
+  if (m_bValid && (m_dwType == XFA_VT_BOOLEAN || m_dwType == XFA_VT_INTEGER ||
+                   m_dwType == XFA_VT_DECIMAL || m_dwType == XFA_VT_FLOAT)) {
+    int64_t nIntegral = 0;
+    uint32_t dwFractional = 0;
+    int32_t nExponent = 0;
+    int32_t cc = 0;
+    bool bNegative = false, bExpSign = false;
+    const wchar_t* str = m_wsValue.c_str();
+    int len = m_wsValue.GetLength();
+    while (FXSYS_iswspace(str[cc]) && cc < len)
+      cc++;
+
+    if (cc >= len)
+      return 0;
+    if (str[0] == '+') {
+      cc++;
+    } else if (str[0] == '-') {
+      bNegative = true;
+      cc++;
+    }
+
+    int32_t nIntegralLen = 0;
+    while (cc < len) {
+      if (str[cc] == '.' || !FXSYS_isDecimalDigit(str[cc]) ||
+          nIntegralLen > 17) {
+        break;
+      }
+      nIntegral = nIntegral * 10 + str[cc] - '0';
+      cc++;
+      nIntegralLen++;
+    }
+    nIntegral = bNegative ? -nIntegral : nIntegral;
+    int32_t scale = 0;
+    double fraction = 0.0;
+    if (cc < len && str[cc] == '.') {
+      cc++;
+      while (cc < len) {
+        fraction += XFA_GetFractionalScale(scale) * (str[cc] - '0');
+        scale++;
+        cc++;
+        if (scale == XFA_GetMaxFractionalScale() ||
+            !FXSYS_isDecimalDigit(str[cc])) {
+          break;
+        }
+      }
+      dwFractional = static_cast<uint32_t>(fraction * 4294967296.0);
+    }
+    if (cc < len && (str[cc] == 'E' || str[cc] == 'e')) {
+      cc++;
+      if (cc < len) {
+        if (str[cc] == '+') {
+          cc++;
+        } else if (str[cc] == '-') {
+          bExpSign = true;
+          cc++;
+        }
+      }
+      while (cc < len) {
+        if (str[cc] == '.' || !FXSYS_isDecimalDigit(str[cc]))
+          break;
+
+        nExponent = nExponent * 10 + str[cc] - '0';
+        cc++;
+      }
+      nExponent = bExpSign ? -nExponent : nExponent;
+    }
+
+    double dValue = dwFractional / 4294967296.0;
+    dValue = nIntegral + (nIntegral >= 0 ? dValue : -dValue);
+    if (nExponent != 0)
+      dValue *= FXSYS_pow(10, static_cast<float>(nExponent));
+
+    return dValue;
+  }
+  return 0;
+}
+
+CFX_Unitime CXFA_LocaleValue::GetDate() const {
+  if (m_bValid && m_dwType == XFA_VT_DATE) {
+    CFX_Unitime dt;
+    FX_DateFromCanonical(m_wsValue, &dt);
+    return dt;
+  }
+  return CFX_Unitime();
+}
+
+CFX_Unitime CXFA_LocaleValue::GetTime() const {
+  if (m_bValid && m_dwType == XFA_VT_TIME) {
+    ASSERT(m_pLocaleMgr);
+
+    CFX_Unitime dt;
+    FX_TimeFromCanonical(m_wsValue.AsStringC(), &dt,
+                         m_pLocaleMgr->GetDefLocale());
+    return dt;
+  }
+  return CFX_Unitime();
+}
+
+CFX_Unitime CXFA_LocaleValue::GetDateTime() const {
+  if (m_bValid && m_dwType == XFA_VT_DATETIME) {
+    int32_t index = m_wsValue.Find('T');
+    CFX_Unitime dt;
+    FX_DateFromCanonical(m_wsValue.Left(index), &dt);
+    ASSERT(m_pLocaleMgr);
+    FX_TimeFromCanonical(
+        m_wsValue.Right(m_wsValue.GetLength() - index - 1).AsStringC(), &dt,
+        m_pLocaleMgr->GetDefLocale());
+    return dt;
+  }
+  return CFX_Unitime();
+}
+
+bool CXFA_LocaleValue::SetText(const CFX_WideString& wsText) {
+  m_dwType = XFA_VT_TEXT;
+  m_wsValue = wsText;
+  return true;
+}
+
+bool CXFA_LocaleValue::SetText(const CFX_WideString& wsText,
+                               const CFX_WideString& wsFormat,
+                               IFX_Locale* pLocale) {
+  m_dwType = XFA_VT_TEXT;
+  return m_bValid = ParsePatternValue(wsText, wsFormat, pLocale);
+}
+
+bool CXFA_LocaleValue::SetNum(float fNum) {
+  m_dwType = XFA_VT_FLOAT;
+  m_wsValue.Format(L"%.8g", static_cast<double>(fNum));
+  return true;
+}
+
+bool CXFA_LocaleValue::SetNum(const CFX_WideString& wsNum,
+                              const CFX_WideString& wsFormat,
+                              IFX_Locale* pLocale) {
+  m_dwType = XFA_VT_FLOAT;
+  return m_bValid = ParsePatternValue(wsNum, wsFormat, pLocale);
+}
+
+bool CXFA_LocaleValue::SetDate(const CFX_Unitime& d) {
+  m_dwType = XFA_VT_DATE;
+  m_wsValue.Format(L"%04d-%02d-%02d", d.GetYear(), d.GetMonth(), d.GetDay());
+  return true;
+}
+
+bool CXFA_LocaleValue::SetDate(const CFX_WideString& wsDate,
+                               const CFX_WideString& wsFormat,
+                               IFX_Locale* pLocale) {
+  m_dwType = XFA_VT_DATE;
+  return m_bValid = ParsePatternValue(wsDate, wsFormat, pLocale);
+}
+
+bool CXFA_LocaleValue::SetTime(const CFX_Unitime& t) {
+  m_dwType = XFA_VT_TIME;
+  m_wsValue.Format(L"%02d:%02d:%02d", t.GetHour(), t.GetMinute(),
+                   t.GetSecond());
+  if (t.GetMillisecond() > 0) {
+    CFX_WideString wsTemp;
+    wsTemp.Format(L"%:03d", t.GetMillisecond());
+    m_wsValue += wsTemp;
+  }
+  return true;
+}
+
+bool CXFA_LocaleValue::SetTime(const CFX_WideString& wsTime,
+                               const CFX_WideString& wsFormat,
+                               IFX_Locale* pLocale) {
+  m_dwType = XFA_VT_TIME;
+  return m_bValid = ParsePatternValue(wsTime, wsFormat, pLocale);
+}
+
+bool CXFA_LocaleValue::SetDateTime(const CFX_Unitime& dt) {
+  m_dwType = XFA_VT_DATETIME;
+  m_wsValue.Format(L"%04d-%02d-%02dT%02d:%02d:%02d", dt.GetYear(),
+                   dt.GetMonth(), dt.GetDay(), dt.GetHour(), dt.GetMinute(),
+                   dt.GetSecond());
+  if (dt.GetMillisecond() > 0) {
+    CFX_WideString wsTemp;
+    wsTemp.Format(L"%:03d", dt.GetMillisecond());
+    m_wsValue += wsTemp;
+  }
+  return true;
+}
+
+bool CXFA_LocaleValue::SetDateTime(const CFX_WideString& wsDateTime,
+                                   const CFX_WideString& wsFormat,
+                                   IFX_Locale* pLocale) {
+  m_dwType = XFA_VT_DATETIME;
+  return m_bValid = ParsePatternValue(wsDateTime, wsFormat, pLocale);
+}
+
+bool CXFA_LocaleValue::FormatPatterns(CFX_WideString& wsResult,
+                                      const CFX_WideString& wsFormat,
+                                      IFX_Locale* pLocale,
+                                      XFA_VALUEPICTURE eValueType) const {
+  auto pFormat = pdfium::MakeUnique<CFX_FormatString>(m_pLocaleMgr);
+  std::vector<CFX_WideString> wsPatterns;
+  pFormat->SplitFormatString(wsFormat, wsPatterns);
+  wsResult.clear();
+  int32_t iCount = pdfium::CollectionSize<int32_t>(wsPatterns);
+  for (int32_t i = 0; i < iCount; i++) {
+    if (FormatSinglePattern(wsResult, wsPatterns[i], pLocale, eValueType))
+      return true;
+  }
+  return false;
+}
+
+bool CXFA_LocaleValue::FormatSinglePattern(CFX_WideString& wsResult,
+                                           const CFX_WideString& wsFormat,
+                                           IFX_Locale* pLocale,
+                                           XFA_VALUEPICTURE eValueType) const {
+  IFX_Locale* locale = m_pLocaleMgr->GetDefLocale();
+  if (pLocale)
+    m_pLocaleMgr->SetDefLocale(pLocale);
+
+  wsResult.clear();
+  bool bRet = false;
+  auto pFormat = pdfium::MakeUnique<CFX_FormatString>(m_pLocaleMgr);
+  FX_LOCALECATEGORY eCategory = pFormat->GetCategory(wsFormat);
+  eCategory = XFA_ValugeCategory(eCategory, m_dwType);
+  switch (eCategory) {
+    case FX_LOCALECATEGORY_Null:
+      if (m_wsValue.IsEmpty()) {
+        bRet = pFormat->FormatNull(wsFormat, wsResult);
+      }
+      break;
+    case FX_LOCALECATEGORY_Zero:
+      if (m_wsValue == L"0") {
+        bRet = pFormat->FormatZero(wsFormat, wsResult);
+      }
+      break;
+    case FX_LOCALECATEGORY_Num:
+      bRet = pFormat->FormatNum(m_wsValue, wsFormat, wsResult);
+      break;
+    case FX_LOCALECATEGORY_Text:
+      bRet = pFormat->FormatText(m_wsValue, wsFormat, wsResult);
+      break;
+    case FX_LOCALECATEGORY_Date:
+      bRet = pFormat->FormatDateTime(m_wsValue, wsFormat, wsResult,
+                                     FX_DATETIMETYPE_Date);
+      break;
+    case FX_LOCALECATEGORY_Time:
+      bRet = pFormat->FormatDateTime(m_wsValue, wsFormat, wsResult,
+                                     FX_DATETIMETYPE_Time);
+      break;
+    case FX_LOCALECATEGORY_DateTime:
+      bRet = pFormat->FormatDateTime(m_wsValue, wsFormat, wsResult,
+                                     FX_DATETIMETYPE_DateTime);
+      break;
+    default:
+      wsResult = m_wsValue;
+      bRet = true;
+  }
+  if (!bRet && (eCategory != FX_LOCALECATEGORY_Num ||
+                eValueType != XFA_VALUEPICTURE_Display)) {
+    wsResult = m_wsValue;
+  }
+  if (pLocale)
+    m_pLocaleMgr->SetDefLocale(locale);
+
+  return bRet;
+}
+
+static bool XFA_ValueSplitDateTime(const CFX_WideString& wsDateTime,
+                                   CFX_WideString& wsDate,
+                                   CFX_WideString& wsTime) {
+  wsDate = L"";
+  wsTime = L"";
+  if (wsDateTime.IsEmpty()) {
+    return false;
+  }
+  int nSplitIndex = -1;
+  nSplitIndex = wsDateTime.Find('T');
+  if (nSplitIndex < 0) {
+    nSplitIndex = wsDateTime.Find(' ');
+  }
+  if (nSplitIndex < 0) {
+    return false;
+  }
+  wsDate = wsDateTime.Left(nSplitIndex);
+  wsTime = wsDateTime.Right(wsDateTime.GetLength() - nSplitIndex - 1);
+  return true;
+}
+bool CXFA_LocaleValue::ValidateCanonicalValue(const CFX_WideString& wsValue,
+                                              uint32_t dwVType) {
+  if (wsValue.IsEmpty()) {
+    return true;
+  }
+  CFX_Unitime dt;
+  switch (dwVType) {
+    case XFA_VT_DATE: {
+      if (ValidateCanonicalDate(wsValue, &dt))
+        return true;
+
+      CFX_WideString wsDate, wsTime;
+      if (XFA_ValueSplitDateTime(wsValue, wsDate, wsTime) &&
+          ValidateCanonicalDate(wsDate, &dt)) {
+        return true;
+      }
+      return false;
+    }
+    case XFA_VT_TIME: {
+      if (ValidateCanonicalTime(wsValue))
+        return true;
+
+      CFX_WideString wsDate, wsTime;
+      if (XFA_ValueSplitDateTime(wsValue, wsDate, wsTime) &&
+          ValidateCanonicalTime(wsTime)) {
+        return true;
+      }
+      return false;
+    }
+    case XFA_VT_DATETIME: {
+      CFX_WideString wsDate, wsTime;
+      if (XFA_ValueSplitDateTime(wsValue, wsDate, wsTime) &&
+          ValidateCanonicalDate(wsDate, &dt) && ValidateCanonicalTime(wsTime)) {
+        return true;
+      }
+    } break;
+  }
+  return true;
+}
+bool CXFA_LocaleValue::ValidateCanonicalDate(const CFX_WideString& wsDate,
+                                             CFX_Unitime* unDate) {
+  const uint16_t LastDay[12] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
+  const uint16_t wCountY = 4, wCountM = 2, wCountD = 2;
+  int nLen = wsDate.GetLength();
+  if (nLen < wCountY || nLen > wCountY + wCountM + wCountD + 2) {
+    return false;
+  }
+  const bool bSymbol = wsDate.Find(0x2D) != -1;
+  uint16_t wYear = 0;
+  uint16_t wMonth = 0;
+  uint16_t wDay = 0;
+  const wchar_t* pDate = wsDate.c_str();
+  int nIndex = 0, nStart = 0;
+  while (pDate[nIndex] != '\0' && nIndex < wCountY) {
+    if (!FXSYS_isDecimalDigit(pDate[nIndex])) {
+      return false;
+    }
+    wYear = (pDate[nIndex] - '0') + wYear * 10;
+    nIndex++;
+  }
+  if (bSymbol) {
+    if (pDate[nIndex] != 0x2D) {
+      return false;
+    }
+    nIndex++;
+  }
+  nStart = nIndex;
+  while (pDate[nIndex] != '\0' && nIndex - nStart < wCountM && nIndex < nLen) {
+    if (!FXSYS_isDecimalDigit(pDate[nIndex])) {
+      return false;
+    }
+    wMonth = (pDate[nIndex] - '0') + wMonth * 10;
+    nIndex++;
+  }
+  if (bSymbol) {
+    if (pDate[nIndex] != 0x2D) {
+      return false;
+    }
+    nIndex++;
+  }
+  nStart = nIndex;
+  while (pDate[nIndex] != '\0' && nIndex - nStart < wCountD && nIndex < nLen) {
+    if (!FXSYS_isDecimalDigit(pDate[nIndex])) {
+      return false;
+    }
+    wDay = (pDate[nIndex] - '0') + wDay * 10;
+    nIndex++;
+  }
+  if (nIndex != nLen) {
+    return false;
+  }
+  if (wYear < 1900 || wYear > 2029) {
+    return false;
+  }
+  if (wMonth < 1 || wMonth > 12) {
+    if (wMonth == 0 && nLen == wCountY) {
+      return true;
+    }
+    return false;
+  }
+  if (wDay < 1) {
+    if (wDay == 0 && (nLen == wCountY + wCountM)) {
+      return true;
+    }
+    return false;
+  }
+  if (wMonth == 2) {
+    if (wYear % 400 == 0 || (wYear % 100 != 0 && wYear % 4 == 0)) {
+      if (wDay > 29) {
+        return false;
+      }
+    } else {
+      if (wDay > 28) {
+        return false;
+      }
+    }
+  } else if (wDay > LastDay[wMonth - 1]) {
+    return false;
+  }
+
+  unDate->SetDate(wYear, static_cast<uint8_t>(wMonth),
+                  static_cast<uint8_t>(wDay));
+  return true;
+}
+
+bool CXFA_LocaleValue::ValidateCanonicalTime(const CFX_WideString& wsTime) {
+  int nLen = wsTime.GetLength();
+  if (nLen < 2)
+    return false;
+  const uint16_t wCountH = 2;
+  const uint16_t wCountM = 2;
+  const uint16_t wCountS = 2;
+  const uint16_t wCountF = 3;
+  const bool bSymbol = wsTime.Find(':') != -1;
+  uint16_t wHour = 0;
+  uint16_t wMinute = 0;
+  uint16_t wSecond = 0;
+  uint16_t wFraction = 0;
+  const wchar_t* pTime = wsTime.c_str();
+  int nIndex = 0;
+  int nStart = 0;
+  while (nIndex - nStart < wCountH && pTime[nIndex]) {
+    if (!FXSYS_isDecimalDigit(pTime[nIndex]))
+      return false;
+    wHour = pTime[nIndex] - '0' + wHour * 10;
+    nIndex++;
+  }
+  if (bSymbol) {
+    if (nIndex < nLen && pTime[nIndex] != ':')
+      return false;
+    nIndex++;
+  }
+  nStart = nIndex;
+  while (nIndex - nStart < wCountM && nIndex < nLen && pTime[nIndex]) {
+    if (!FXSYS_isDecimalDigit(pTime[nIndex]))
+      return false;
+    wMinute = pTime[nIndex] - '0' + wMinute * 10;
+    nIndex++;
+  }
+  if (bSymbol) {
+    if (nIndex < nLen && pTime[nIndex] != ':')
+      return false;
+    nIndex++;
+  }
+  nStart = nIndex;
+  while (nIndex - nStart < wCountS && nIndex < nLen && pTime[nIndex]) {
+    if (!FXSYS_isDecimalDigit(pTime[nIndex]))
+      return false;
+    wSecond = pTime[nIndex] - '0' + wSecond * 10;
+    nIndex++;
+  }
+  if (wsTime.Find('.') > 0) {
+    if (pTime[nIndex] != '.')
+      return false;
+    nIndex++;
+    nStart = nIndex;
+    while (nIndex - nStart < wCountF && nIndex < nLen && pTime[nIndex]) {
+      if (!FXSYS_isDecimalDigit(pTime[nIndex]))
+        return false;
+      wFraction = pTime[nIndex] - '0' + wFraction * 10;
+      nIndex++;
+    }
+  }
+  if (nIndex < nLen) {
+    if (pTime[nIndex] == 'Z') {
+      nIndex++;
+    } else if (pTime[nIndex] == '-' || pTime[nIndex] == '+') {
+      int16_t nOffsetH = 0;
+      int16_t nOffsetM = 0;
+      nIndex++;
+      nStart = nIndex;
+      while (nIndex - nStart < wCountH && nIndex < nLen && pTime[nIndex]) {
+        if (!FXSYS_isDecimalDigit(pTime[nIndex]))
+          return false;
+        nOffsetH = pTime[nIndex] - '0' + nOffsetH * 10;
+        nIndex++;
+      }
+      if (bSymbol) {
+        if (nIndex < nLen && pTime[nIndex] != ':')
+          return false;
+        nIndex++;
+      }
+      nStart = nIndex;
+      while (nIndex - nStart < wCountM && nIndex < nLen && pTime[nIndex]) {
+        if (!FXSYS_isDecimalDigit(pTime[nIndex]))
+          return false;
+        nOffsetM = pTime[nIndex] - '0' + nOffsetM * 10;
+        nIndex++;
+      }
+      if (nOffsetH > 12 || nOffsetM >= 60)
+        return false;
+    }
+  }
+  return nIndex == nLen && wHour < 24 && wMinute < 60 && wSecond < 60 &&
+         wFraction <= 999;
+}
+
+bool CXFA_LocaleValue::ValidateCanonicalDateTime(
+    const CFX_WideString& wsDateTime) {
+  CFX_WideString wsDate, wsTime;
+  if (wsDateTime.IsEmpty())
+    return false;
+
+  int nSplitIndex = -1;
+  nSplitIndex = wsDateTime.Find('T');
+  if (nSplitIndex < 0)
+    nSplitIndex = wsDateTime.Find(' ');
+  if (nSplitIndex < 0)
+    return false;
+
+  wsDate = wsDateTime.Left(nSplitIndex);
+  wsTime = wsDateTime.Right(wsDateTime.GetLength() - nSplitIndex - 1);
+  CFX_Unitime dt;
+  return ValidateCanonicalDate(wsDate, &dt) && ValidateCanonicalTime(wsTime);
+}
+
+bool CXFA_LocaleValue::ParsePatternValue(const CFX_WideString& wsValue,
+                                         const CFX_WideString& wsPattern,
+                                         IFX_Locale* pLocale) {
+  IFX_Locale* locale = m_pLocaleMgr->GetDefLocale();
+  if (pLocale)
+    m_pLocaleMgr->SetDefLocale(pLocale);
+
+  auto pFormat = pdfium::MakeUnique<CFX_FormatString>(m_pLocaleMgr);
+  std::vector<CFX_WideString> wsPatterns;
+  pFormat->SplitFormatString(wsPattern, wsPatterns);
+  bool bRet = false;
+  int32_t iCount = pdfium::CollectionSize<int32_t>(wsPatterns);
+  for (int32_t i = 0; i < iCount && !bRet; i++) {
+    CFX_WideString wsFormat = wsPatterns[i];
+    FX_LOCALECATEGORY eCategory = pFormat->GetCategory(wsFormat);
+    eCategory = XFA_ValugeCategory(eCategory, m_dwType);
+    switch (eCategory) {
+      case FX_LOCALECATEGORY_Null:
+        bRet = pFormat->ParseNull(wsValue, wsFormat);
+        if (bRet) {
+          m_wsValue.clear();
+        }
+        break;
+      case FX_LOCALECATEGORY_Zero:
+        bRet = pFormat->ParseZero(wsValue, wsFormat);
+        if (bRet)
+          m_wsValue = L"0";
+        break;
+      case FX_LOCALECATEGORY_Num: {
+        CFX_WideString fNum;
+        bRet = pFormat->ParseNum(wsValue, wsFormat, fNum);
+        if (bRet) {
+          m_wsValue = fNum;
+        }
+        break;
+      }
+      case FX_LOCALECATEGORY_Text:
+        bRet = pFormat->ParseText(wsValue, wsFormat, m_wsValue);
+        break;
+      case FX_LOCALECATEGORY_Date: {
+        CFX_Unitime dt;
+        bRet = ValidateCanonicalDate(wsValue, &dt);
+        if (!bRet) {
+          bRet = pFormat->ParseDateTime(wsValue, wsFormat, FX_DATETIMETYPE_Date,
+                                        &dt);
+        }
+        if (bRet)
+          SetDate(dt);
+        break;
+      }
+      case FX_LOCALECATEGORY_Time: {
+        CFX_Unitime dt;
+        bRet = pFormat->ParseDateTime(wsValue, wsFormat, FX_DATETIMETYPE_Time,
+                                      &dt);
+        if (bRet)
+          SetTime(dt);
+        break;
+      }
+      case FX_LOCALECATEGORY_DateTime: {
+        CFX_Unitime dt;
+        bRet = pFormat->ParseDateTime(wsValue, wsFormat,
+                                      FX_DATETIMETYPE_DateTime, &dt);
+        if (bRet)
+          SetDateTime(dt);
+        break;
+      }
+      default:
+        m_wsValue = wsValue;
+        bRet = true;
+        break;
+    }
+  }
+  if (!bRet)
+    m_wsValue = wsValue;
+
+  if (pLocale)
+    m_pLocaleMgr->SetDefLocale(locale);
+
+  return bRet;
+}
+
+void CXFA_LocaleValue::GetNumbericFormat(CFX_WideString& wsFormat,
+                                         int32_t nIntLen,
+                                         int32_t nDecLen,
+                                         bool bSign) {
+  ASSERT(wsFormat.IsEmpty());
+  ASSERT(nIntLen >= -1 && nDecLen >= -1);
+  int32_t nTotalLen = (nIntLen >= 0 ? nIntLen : 2) + (bSign ? 1 : 0) +
+                      (nDecLen >= 0 ? nDecLen : 2) + (nDecLen == 0 ? 0 : 1);
+  wchar_t* lpBuf = wsFormat.GetBuffer(nTotalLen);
+  int32_t nPos = 0;
+  if (bSign) {
+    lpBuf[nPos++] = L's';
+  }
+  if (nIntLen == -1) {
+    lpBuf[nPos++] = L'z';
+    lpBuf[nPos++] = L'*';
+  } else {
+    while (nIntLen) {
+      lpBuf[nPos++] = L'z';
+      nIntLen--;
+    }
+  }
+  if (nDecLen != 0) {
+    lpBuf[nPos++] = L'.';
+  }
+  if (nDecLen == -1) {
+    lpBuf[nPos++] = L'z';
+    lpBuf[nPos++] = L'*';
+  } else {
+    while (nDecLen) {
+      lpBuf[nPos++] = L'z';
+      nDecLen--;
+    }
+  }
+  wsFormat.ReleaseBuffer(nTotalLen);
+}
+bool CXFA_LocaleValue::ValidateNumericTemp(CFX_WideString& wsNumeric,
+                                           CFX_WideString& wsFormat,
+                                           IFX_Locale* pLocale,
+                                           int32_t* pos) {
+  if (wsFormat.IsEmpty() || wsNumeric.IsEmpty()) {
+    return true;
+  }
+  const wchar_t* pNum = wsNumeric.c_str();
+  const wchar_t* pFmt = wsFormat.c_str();
+  int32_t n = 0, nf = 0;
+  wchar_t c = pNum[n];
+  wchar_t cf = pFmt[nf];
+  if (cf == L's') {
+    if (c == L'-' || c == L'+') {
+      ++n;
+    }
+    ++nf;
+  }
+  bool bLimit = true;
+  int32_t nCount = wsNumeric.GetLength();
+  int32_t nCountFmt = wsFormat.GetLength();
+  while (n < nCount && (bLimit ? nf < nCountFmt : true) &&
+         FXSYS_isDecimalDigit(c = pNum[n])) {
+    if (bLimit == true) {
+      if ((cf = pFmt[nf]) == L'*') {
+        bLimit = false;
+      } else if (cf == L'z') {
+        nf++;
+      } else {
+        return false;
+      }
+    }
+    n++;
+  }
+  if (n == nCount) {
+    return true;
+  }
+  if (nf == nCountFmt) {
+    return false;
+  }
+  while (nf < nCountFmt && (cf = pFmt[nf]) != L'.') {
+    ASSERT(cf == L'z' || cf == L'*');
+    ++nf;
+  }
+  CFX_WideString wsDecimalSymbol;
+  if (pLocale) {
+    pLocale->GetNumbericSymbol(FX_LOCALENUMSYMBOL_Decimal, wsDecimalSymbol);
+  } else {
+    wsDecimalSymbol = CFX_WideString(L'.');
+  }
+  if (pFmt[nf] != L'.') {
+    return false;
+  }
+  if (wsDecimalSymbol != CFX_WideStringC(c) && c != L'.') {
+    return false;
+  }
+  ++nf;
+  ++n;
+  bLimit = true;
+  while (n < nCount && (bLimit ? nf < nCountFmt : true) &&
+         FXSYS_isDecimalDigit(c = pNum[n])) {
+    if (bLimit == true) {
+      if ((cf = pFmt[nf]) == L'*') {
+        bLimit = false;
+      } else if (cf == L'z') {
+        nf++;
+      } else {
+        return false;
+      }
+    }
+    n++;
+  }
+  return n == nCount;
+}