| // 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 <cwchar> |
| #include <memory> |
| #include <utility> |
| #include <vector> |
| |
| #include "core/fxcrt/fx_extension.h" |
| #include "third_party/base/span.h" |
| #include "third_party/base/stl_util.h" |
| #include "xfa/fgas/crt/cfgas_stringformatter.h" |
| #include "xfa/fxfa/parser/cxfa_document.h" |
| #include "xfa/fxfa/parser/cxfa_localemgr.h" |
| #include "xfa/fxfa/parser/xfa_utils.h" |
| |
| namespace { |
| |
| FX_LOCALECATEGORY ValueCategory(FX_LOCALECATEGORY eCategory, |
| uint32_t dwValueType) { |
| if (eCategory != FX_LOCALECATEGORY_Unknown) |
| return eCategory; |
| |
| 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 FX_LOCALECATEGORY_Unknown; |
| } |
| |
| bool ValueSplitDateTime(const WideString& wsDateTime, |
| WideString& wsDate, |
| WideString& wsTime) { |
| wsDate.clear(); |
| wsTime.clear(); |
| if (wsDateTime.IsEmpty()) |
| return false; |
| |
| auto nSplitIndex = wsDateTime.Find('T'); |
| if (!nSplitIndex.has_value()) |
| nSplitIndex = wsDateTime.Find(' '); |
| if (!nSplitIndex.has_value()) |
| return false; |
| |
| wsDate = wsDateTime.First(nSplitIndex.value()); |
| wsTime = wsDateTime.Last(wsDateTime.GetLength() - nSplitIndex.value() - 1); |
| return true; |
| } |
| |
| class ScopedLocale { |
| public: |
| ScopedLocale(CXFA_LocaleMgr* pLocaleMgr, LocaleIface* pNewLocale) |
| : m_pLocaleMgr(pLocaleMgr), |
| m_pNewLocale(pNewLocale), |
| m_pOrigLocale(pNewLocale ? m_pLocaleMgr->GetDefLocale() : nullptr) { |
| if (m_pNewLocale) |
| m_pLocaleMgr->SetDefLocale(pNewLocale); |
| } |
| |
| ~ScopedLocale() { |
| if (m_pNewLocale) |
| m_pLocaleMgr->SetDefLocale(m_pOrigLocale); |
| } |
| |
| ScopedLocale(const ScopedLocale& that) = delete; |
| ScopedLocale& operator=(const ScopedLocale& that) = delete; |
| |
| private: |
| UnownedPtr<CXFA_LocaleMgr> const m_pLocaleMgr; |
| LocaleIface* const m_pNewLocale; |
| LocaleIface* const m_pOrigLocale; |
| }; |
| |
| } // namespace |
| |
| CXFA_LocaleValue::CXFA_LocaleValue() = default; |
| |
| CXFA_LocaleValue::CXFA_LocaleValue(uint32_t dwType, CXFA_LocaleMgr* pLocaleMgr) |
| : m_pLocaleMgr(pLocaleMgr), |
| m_dwType(dwType), |
| m_bValid(m_dwType != XFA_VT_NULL) {} |
| |
| CXFA_LocaleValue::CXFA_LocaleValue(uint32_t dwType, |
| const WideString& wsValue, |
| CXFA_LocaleMgr* pLocaleMgr) |
| : m_pLocaleMgr(pLocaleMgr), |
| m_wsValue(wsValue), |
| m_dwType(dwType), |
| m_bValid(ValidateCanonicalValue(wsValue, dwType)) {} |
| |
| CXFA_LocaleValue::CXFA_LocaleValue(uint32_t dwType, |
| const WideString& wsValue, |
| const WideString& wsFormat, |
| LocaleIface* pLocale, |
| CXFA_LocaleMgr* pLocaleMgr) |
| : m_pLocaleMgr(pLocaleMgr), |
| m_dwType(dwType), |
| m_bValid(ParsePatternValue(wsValue, wsFormat, pLocale)) {} |
| |
| CXFA_LocaleValue::CXFA_LocaleValue(const CXFA_LocaleValue& that) = default; |
| |
| CXFA_LocaleValue& CXFA_LocaleValue::operator=(const CXFA_LocaleValue& that) = |
| default; |
| |
| CXFA_LocaleValue::~CXFA_LocaleValue() = default; |
| |
| bool CXFA_LocaleValue::ValidateValue(const WideString& wsValue, |
| const WideString& wsPattern, |
| LocaleIface* pLocale, |
| WideString* pMatchFormat) { |
| if (!m_pLocaleMgr) |
| return false; |
| |
| ScopedLocale scoped_locale(m_pLocaleMgr.Get(), pLocale); |
| std::vector<WideString> wsPatterns = |
| CFGAS_StringFormatter::SplitOnBars(wsPattern); |
| |
| WideString wsOutput; |
| bool bRet = false; |
| size_t i = 0; |
| for (; !bRet && i < wsPatterns.size(); i++) { |
| const WideString& wsFormat = wsPatterns[i]; |
| auto pFormat = |
| std::make_unique<CFGAS_StringFormatter>(m_pLocaleMgr.Get(), wsFormat); |
| switch (ValueCategory(pFormat->GetCategory(), m_dwType)) { |
| case FX_LOCALECATEGORY_Null: |
| bRet = pFormat->ParseNull(wsValue); |
| if (!bRet) |
| bRet = wsValue.IsEmpty(); |
| break; |
| case FX_LOCALECATEGORY_Zero: |
| bRet = pFormat->ParseZero(wsValue); |
| if (!bRet) |
| bRet = wsValue.EqualsASCII("0"); |
| break; |
| case FX_LOCALECATEGORY_Num: { |
| WideString fNum; |
| bRet = pFormat->ParseNum(wsValue, &fNum); |
| if (!bRet) |
| bRet = pFormat->FormatNum(wsValue, &wsOutput); |
| break; |
| } |
| case FX_LOCALECATEGORY_Text: |
| bRet = pFormat->ParseText(wsValue, &wsOutput); |
| wsOutput.clear(); |
| if (!bRet) |
| bRet = pFormat->FormatText(wsValue, &wsOutput); |
| break; |
| case FX_LOCALECATEGORY_Date: { |
| CFX_DateTime dt; |
| bRet = ValidateCanonicalDate(wsValue, &dt); |
| if (!bRet) { |
| bRet = pFormat->ParseDateTime(wsValue, FX_DATETIMETYPE_Date, &dt); |
| if (!bRet) { |
| bRet = pFormat->FormatDateTime(wsValue, FX_DATETIMETYPE_Date, |
| &wsOutput); |
| } |
| } |
| break; |
| } |
| case FX_LOCALECATEGORY_Time: { |
| CFX_DateTime dt; |
| bRet = pFormat->ParseDateTime(wsValue, FX_DATETIMETYPE_Time, &dt); |
| if (!bRet) { |
| bRet = |
| pFormat->FormatDateTime(wsValue, FX_DATETIMETYPE_Time, &wsOutput); |
| } |
| break; |
| } |
| case FX_LOCALECATEGORY_DateTime: { |
| CFX_DateTime dt; |
| bRet = pFormat->ParseDateTime(wsValue, FX_DATETIMETYPE_DateTime, &dt); |
| if (!bRet) { |
| bRet = pFormat->FormatDateTime(wsValue, FX_DATETIMETYPE_DateTime, |
| &wsOutput); |
| } |
| break; |
| } |
| default: |
| bRet = false; |
| break; |
| } |
| } |
| if (bRet && pMatchFormat) |
| *pMatchFormat = wsPatterns[i - 1]; |
| return bRet; |
| } |
| |
| 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)) { |
| return 0; |
| } |
| |
| return wcstod(m_wsValue.c_str(), nullptr); |
| } |
| |
| CFX_DateTime CXFA_LocaleValue::GetDate() const { |
| if (!m_bValid || m_dwType != XFA_VT_DATE) |
| return CFX_DateTime(); |
| |
| CFX_DateTime dt; |
| FX_DateFromCanonical(m_wsValue.span(), &dt); |
| return dt; |
| } |
| |
| CFX_DateTime CXFA_LocaleValue::GetTime() const { |
| if (!m_bValid || m_dwType != XFA_VT_TIME) |
| return CFX_DateTime(); |
| |
| CFX_DateTime dt; |
| FX_TimeFromCanonical(m_pLocaleMgr->GetDefLocale(), m_wsValue.span(), &dt); |
| return dt; |
| } |
| |
| bool CXFA_LocaleValue::SetDate(const CFX_DateTime& d) { |
| m_dwType = XFA_VT_DATE; |
| m_wsValue = WideString::Format(L"%04d-%02d-%02d", d.GetYear(), d.GetMonth(), |
| d.GetDay()); |
| return true; |
| } |
| |
| bool CXFA_LocaleValue::SetTime(const CFX_DateTime& t) { |
| m_dwType = XFA_VT_TIME; |
| m_wsValue = WideString::Format(L"%02d:%02d:%02d", t.GetHour(), t.GetMinute(), |
| t.GetSecond()); |
| if (t.GetMillisecond() > 0) |
| m_wsValue += WideString::Format(L"%:03d", t.GetMillisecond()); |
| return true; |
| } |
| |
| bool CXFA_LocaleValue::SetDateTime(const CFX_DateTime& dt) { |
| m_dwType = XFA_VT_DATETIME; |
| m_wsValue = WideString::Format(L"%04d-%02d-%02dT%02d:%02d:%02d", dt.GetYear(), |
| dt.GetMonth(), dt.GetDay(), dt.GetHour(), |
| dt.GetMinute(), dt.GetSecond()); |
| if (dt.GetMillisecond() > 0) |
| m_wsValue += WideString::Format(L"%:03d", dt.GetMillisecond()); |
| return true; |
| } |
| |
| bool CXFA_LocaleValue::FormatPatterns(WideString& wsResult, |
| const WideString& wsFormat, |
| LocaleIface* pLocale, |
| XFA_VALUEPICTURE eValueType) const { |
| wsResult.clear(); |
| for (const auto& pattern : CFGAS_StringFormatter::SplitOnBars(wsFormat)) { |
| if (FormatSinglePattern(wsResult, pattern, pLocale, eValueType)) |
| return true; |
| } |
| return false; |
| } |
| |
| bool CXFA_LocaleValue::FormatSinglePattern(WideString& wsResult, |
| const WideString& wsFormat, |
| LocaleIface* pLocale, |
| XFA_VALUEPICTURE eValueType) const { |
| if (!m_pLocaleMgr) |
| return false; |
| |
| ScopedLocale scoped_locale(m_pLocaleMgr.Get(), pLocale); |
| |
| wsResult.clear(); |
| bool bRet = false; |
| auto pFormat = |
| std::make_unique<CFGAS_StringFormatter>(m_pLocaleMgr.Get(), wsFormat); |
| FX_LOCALECATEGORY eCategory = ValueCategory(pFormat->GetCategory(), m_dwType); |
| switch (eCategory) { |
| case FX_LOCALECATEGORY_Null: |
| if (m_wsValue.IsEmpty()) |
| bRet = pFormat->FormatNull(&wsResult); |
| break; |
| case FX_LOCALECATEGORY_Zero: |
| if (m_wsValue.EqualsASCII("0")) |
| bRet = pFormat->FormatZero(&wsResult); |
| break; |
| case FX_LOCALECATEGORY_Num: |
| bRet = pFormat->FormatNum(m_wsValue, &wsResult); |
| break; |
| case FX_LOCALECATEGORY_Text: |
| bRet = pFormat->FormatText(m_wsValue, &wsResult); |
| break; |
| case FX_LOCALECATEGORY_Date: |
| bRet = |
| pFormat->FormatDateTime(m_wsValue, FX_DATETIMETYPE_Date, &wsResult); |
| break; |
| case FX_LOCALECATEGORY_Time: |
| bRet = |
| pFormat->FormatDateTime(m_wsValue, FX_DATETIMETYPE_Time, &wsResult); |
| break; |
| case FX_LOCALECATEGORY_DateTime: |
| bRet = pFormat->FormatDateTime(m_wsValue, FX_DATETIMETYPE_DateTime, |
| &wsResult); |
| break; |
| default: |
| wsResult = m_wsValue; |
| bRet = true; |
| } |
| if (!bRet && (eCategory != FX_LOCALECATEGORY_Num || |
| eValueType != XFA_VALUEPICTURE_Display)) { |
| wsResult = m_wsValue; |
| } |
| |
| return bRet; |
| } |
| |
| bool CXFA_LocaleValue::ValidateCanonicalValue(const WideString& wsValue, |
| uint32_t dwVType) { |
| if (wsValue.IsEmpty()) |
| return true; |
| |
| CFX_DateTime dt; |
| switch (dwVType) { |
| case XFA_VT_DATE: { |
| if (ValidateCanonicalDate(wsValue, &dt)) |
| return true; |
| |
| WideString wsDate; |
| WideString wsTime; |
| if (ValueSplitDateTime(wsValue, wsDate, wsTime) && |
| ValidateCanonicalDate(wsDate, &dt)) { |
| return true; |
| } |
| return false; |
| } |
| case XFA_VT_TIME: { |
| if (ValidateCanonicalTime(wsValue)) |
| return true; |
| |
| WideString wsDate; |
| WideString wsTime; |
| if (ValueSplitDateTime(wsValue, wsDate, wsTime) && |
| ValidateCanonicalTime(wsTime)) { |
| return true; |
| } |
| return false; |
| } |
| case XFA_VT_DATETIME: { |
| WideString wsDate, wsTime; |
| if (ValueSplitDateTime(wsValue, wsDate, wsTime) && |
| ValidateCanonicalDate(wsDate, &dt) && ValidateCanonicalTime(wsTime)) { |
| return true; |
| } |
| } break; |
| } |
| return true; |
| } |
| |
| bool CXFA_LocaleValue::ValidateCanonicalDate(const WideString& wsDate, |
| CFX_DateTime* unDate) { |
| static const uint8_t LastDay[12] = {31, 28, 31, 30, 31, 30, |
| 31, 31, 30, 31, 30, 31}; |
| static const uint16_t wCountY = 4; |
| static const uint16_t wCountM = 2; |
| static const uint16_t wCountD = 2; |
| pdfium::span<const wchar_t> spDate = wsDate.span(); |
| if (spDate.size() < wCountY || |
| spDate.size() > wCountY + wCountM + wCountD + 2) { |
| return false; |
| } |
| const bool bSymbol = wsDate.Contains(0x2D); |
| uint16_t wYear = 0; |
| uint16_t wMonth = 0; |
| uint16_t wDay = 0; |
| size_t nIndex = 0; |
| size_t nStart = 0; |
| while (nIndex < wCountY && spDate[nIndex] != '\0') { |
| if (!FXSYS_IsDecimalDigit(spDate[nIndex])) |
| return false; |
| |
| wYear = (spDate[nIndex] - '0') + wYear * 10; |
| nIndex++; |
| } |
| if (bSymbol) { |
| if (nIndex >= spDate.size() || spDate[nIndex] != 0x2D) |
| return false; |
| nIndex++; |
| } |
| |
| nStart = nIndex; |
| while (nIndex < spDate.size() && spDate[nIndex] != '\0' && |
| nIndex - nStart < wCountM) { |
| if (!FXSYS_IsDecimalDigit(spDate[nIndex])) |
| return false; |
| |
| wMonth = (spDate[nIndex] - '0') + wMonth * 10; |
| nIndex++; |
| } |
| if (bSymbol) { |
| if (nIndex >= spDate.size() || spDate[nIndex] != 0x2D) |
| return false; |
| nIndex++; |
| } |
| |
| nStart = nIndex; |
| while (nIndex < spDate.size() && spDate[nIndex] != '\0' && |
| nIndex - nStart < wCountD) { |
| if (!FXSYS_IsDecimalDigit(spDate[nIndex])) |
| return false; |
| |
| wDay = (spDate[nIndex] - '0') + wDay * 10; |
| nIndex++; |
| } |
| if (nIndex != spDate.size()) |
| return false; |
| if (wYear < 1900 || wYear > 2029) |
| return false; |
| if (wMonth < 1 || wMonth > 12) |
| return wMonth == 0 && spDate.size() == wCountY; |
| if (wDay < 1) |
| return wDay == 0 && spDate.size() == wCountY + wCountM; |
| 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 WideString& wsTime) { |
| pdfium::span<const wchar_t> spTime = wsTime.span(); |
| if (spTime.size() < 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.Contains(':'); |
| uint16_t wHour = 0; |
| uint16_t wMinute = 0; |
| uint16_t wSecond = 0; |
| uint16_t wFraction = 0; |
| size_t nIndex = 0; |
| size_t nStart = 0; |
| while (nIndex - nStart < wCountH && spTime[nIndex]) { |
| if (!FXSYS_IsDecimalDigit(spTime[nIndex])) |
| return false; |
| wHour = spTime[nIndex] - '0' + wHour * 10; |
| nIndex++; |
| } |
| if (bSymbol) { |
| if (nIndex < spTime.size() && spTime[nIndex] != ':') |
| return false; |
| nIndex++; |
| } |
| |
| nStart = nIndex; |
| while (nIndex < spTime.size() && spTime[nIndex] != '\0' && |
| nIndex - nStart < wCountM) { |
| if (!FXSYS_IsDecimalDigit(spTime[nIndex])) |
| return false; |
| wMinute = spTime[nIndex] - '0' + wMinute * 10; |
| nIndex++; |
| } |
| if (bSymbol) { |
| if (nIndex >= spTime.size() || spTime[nIndex] != ':') |
| return false; |
| nIndex++; |
| } |
| nStart = nIndex; |
| while (nIndex < spTime.size() && spTime[nIndex] != '\0' && |
| nIndex - nStart < wCountS) { |
| if (!FXSYS_IsDecimalDigit(spTime[nIndex])) |
| return false; |
| wSecond = spTime[nIndex] - '0' + wSecond * 10; |
| nIndex++; |
| } |
| auto pos = wsTime.Find('.'); |
| if (pos.has_value() && pos.value() != 0) { |
| if (nIndex >= spTime.size() || spTime[nIndex] != '.') |
| return false; |
| nIndex++; |
| nStart = nIndex; |
| while (nIndex < spTime.size() && spTime[nIndex] != '\0' && |
| nIndex - nStart < wCountF) { |
| if (!FXSYS_IsDecimalDigit(spTime[nIndex])) |
| return false; |
| wFraction = spTime[nIndex] - '0' + wFraction * 10; |
| nIndex++; |
| } |
| } |
| if (nIndex < spTime.size()) { |
| if (spTime[nIndex] == 'Z') { |
| nIndex++; |
| } else if (spTime[nIndex] == '-' || spTime[nIndex] == '+') { |
| int16_t nOffsetH = 0; |
| int16_t nOffsetM = 0; |
| nIndex++; |
| nStart = nIndex; |
| while (nIndex < spTime.size() && spTime[nIndex] != '\0' && |
| nIndex - nStart < wCountH) { |
| if (!FXSYS_IsDecimalDigit(spTime[nIndex])) |
| return false; |
| nOffsetH = spTime[nIndex] - '0' + nOffsetH * 10; |
| nIndex++; |
| } |
| if (bSymbol) { |
| if (nIndex >= spTime.size() || spTime[nIndex] != ':') |
| return false; |
| nIndex++; |
| } |
| nStart = nIndex; |
| while (nIndex < spTime.size() && spTime[nIndex] != '\0' && |
| nIndex - nStart < wCountM) { |
| if (!FXSYS_IsDecimalDigit(spTime[nIndex])) |
| return false; |
| nOffsetM = spTime[nIndex] - '0' + nOffsetM * 10; |
| nIndex++; |
| } |
| if (nOffsetH > 12 || nOffsetM >= 60) |
| return false; |
| } |
| } |
| return nIndex == spTime.size() && wHour < 24 && wMinute < 60 && |
| wSecond < 60 && wFraction <= 999; |
| } |
| |
| bool CXFA_LocaleValue::ParsePatternValue(const WideString& wsValue, |
| const WideString& wsPattern, |
| LocaleIface* pLocale) { |
| if (!m_pLocaleMgr) |
| return false; |
| |
| std::vector<WideString> wsPatterns = |
| CFGAS_StringFormatter::SplitOnBars(wsPattern); |
| |
| ScopedLocale scoped_locale(m_pLocaleMgr.Get(), pLocale); |
| bool bRet = false; |
| for (size_t i = 0; !bRet && i < wsPatterns.size(); i++) { |
| const WideString& wsFormat = wsPatterns[i]; |
| auto pFormat = |
| std::make_unique<CFGAS_StringFormatter>(m_pLocaleMgr.Get(), wsFormat); |
| switch (ValueCategory(pFormat->GetCategory(), m_dwType)) { |
| case FX_LOCALECATEGORY_Null: |
| bRet = pFormat->ParseNull(wsValue); |
| if (bRet) |
| m_wsValue.clear(); |
| break; |
| case FX_LOCALECATEGORY_Zero: |
| bRet = pFormat->ParseZero(wsValue); |
| if (bRet) |
| m_wsValue = L"0"; |
| break; |
| case FX_LOCALECATEGORY_Num: { |
| WideString fNum; |
| bRet = pFormat->ParseNum(wsValue, &fNum); |
| if (bRet) |
| m_wsValue = std::move(fNum); |
| break; |
| } |
| case FX_LOCALECATEGORY_Text: |
| bRet = pFormat->ParseText(wsValue, &m_wsValue); |
| break; |
| case FX_LOCALECATEGORY_Date: { |
| CFX_DateTime dt; |
| bRet = ValidateCanonicalDate(wsValue, &dt); |
| if (!bRet) { |
| bRet = pFormat->ParseDateTime(wsValue, FX_DATETIMETYPE_Date, &dt); |
| } |
| if (bRet) |
| SetDate(dt); |
| break; |
| } |
| case FX_LOCALECATEGORY_Time: { |
| CFX_DateTime dt; |
| bRet = pFormat->ParseDateTime(wsValue, FX_DATETIMETYPE_Time, &dt); |
| if (bRet) |
| SetTime(dt); |
| break; |
| } |
| case FX_LOCALECATEGORY_DateTime: { |
| CFX_DateTime dt; |
| bRet = pFormat->ParseDateTime(wsValue, FX_DATETIMETYPE_DateTime, &dt); |
| if (bRet) |
| SetDateTime(dt); |
| break; |
| } |
| default: |
| m_wsValue = wsValue; |
| bRet = true; |
| break; |
| } |
| } |
| if (!bRet) |
| m_wsValue = wsValue; |
| |
| return bRet; |
| } |
| |
| void CXFA_LocaleValue::GetNumericFormat(WideString& wsFormat, |
| int32_t nIntLen, |
| int32_t nDecLen) { |
| ASSERT(wsFormat.IsEmpty()); |
| ASSERT(nIntLen >= -1); |
| ASSERT(nDecLen >= -1); |
| |
| int32_t nTotalLen = (nIntLen >= 0 ? nIntLen : 2) + 1 + |
| (nDecLen >= 0 ? nDecLen : 2) + (nDecLen == 0 ? 0 : 1); |
| { |
| // Span's lifetime must end before ReleaseBuffer() below. |
| pdfium::span<wchar_t> lpBuf = wsFormat.GetBuffer(nTotalLen); |
| int32_t nPos = 0; |
| 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(const WideString& wsNumeric, |
| const WideString& wsFormat, |
| LocaleIface* pLocale) { |
| if (wsFormat.IsEmpty() || wsNumeric.IsEmpty()) |
| return true; |
| |
| pdfium::span<const wchar_t> spNum = wsNumeric.span(); |
| pdfium::span<const wchar_t> spFmt = wsFormat.span(); |
| int32_t n = 0; |
| int32_t nf = 0; |
| wchar_t c = spNum[n]; |
| wchar_t cf = spFmt[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) && |
| FXSYS_IsDecimalDigit(c = spNum[n])) { |
| if (bLimit) { |
| if ((cf = spFmt[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 = spFmt[nf]) != L'.') { |
| ASSERT(cf == L'z' || cf == L'*'); |
| ++nf; |
| } |
| |
| WideString wsDecimalSymbol; |
| if (pLocale) |
| wsDecimalSymbol = pLocale->GetDecimalSymbol(); |
| else |
| wsDecimalSymbol = WideString(L'.'); |
| |
| if (spFmt[nf] != L'.') |
| return false; |
| if (wsDecimalSymbol != WideStringView(c) && c != L'.') |
| return false; |
| |
| ++nf; |
| ++n; |
| bLimit = true; |
| while (n < nCount && (!bLimit || nf < nCountFmt) && |
| FXSYS_IsDecimalDigit(spNum[n])) { |
| if (bLimit) { |
| if ((cf = spFmt[nf]) == L'*') |
| bLimit = false; |
| else if (cf == L'z') |
| nf++; |
| else |
| return false; |
| } |
| n++; |
| } |
| return n == nCount; |
| } |
