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// 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_stringformatter.h"
#include <algorithm>
#include <limits>
#include <utility>
#include <vector>
#include "core/fxcrt/fx_extension.h"
#include "core/fxcrt/fx_safe_types.h"
#include "third_party/base/stl_util.h"
#include "xfa/fgas/crt/cfgas_decimal.h"
// NOTE: Code uses the convention for backwards-looping with unsigned types
// that exploits the well-defined behaviour for unsigned underflow (and hence
// the standard x < size() can be used in all cases to validate indices).
#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
#define FX_NUMSTYLE_Percent 0x01
#define FX_NUMSTYLE_Exponent 0x02
#define FX_NUMSTYLE_DotVorv 0x04
namespace {
struct LocaleDateTimeSubCategoryWithHash {
uint32_t uHash; // Hashed as wide string.
FX_LOCALEDATETIMESUBCATEGORY eSubCategory;
};
struct LocaleNumberSubCategoryWithHash {
uint32_t uHash; // Hashed as wide string.
FX_LOCALENUMSUBCATEGORY eSubCategory;
};
#undef SUBC
#define SUBC(a, b, c) a, c
const LocaleDateTimeSubCategoryWithHash g_FXLocaleDateTimeSubCatData[] = {
{SUBC(0x14da2125, "default", FX_LOCALEDATETIMESUBCATEGORY_Default)},
{SUBC(0x9041d4b0, "short", FX_LOCALEDATETIMESUBCATEGORY_Short)},
{SUBC(0xa084a381, "medium", FX_LOCALEDATETIMESUBCATEGORY_Medium)},
{SUBC(0xcdce56b3, "full", FX_LOCALEDATETIMESUBCATEGORY_Full)},
{SUBC(0xf6b4afb0, "long", FX_LOCALEDATETIMESUBCATEGORY_Long)},
};
const LocaleNumberSubCategoryWithHash g_FXLocaleNumSubCatData[] = {
{SUBC(0x46f95531, "percent", FX_LOCALENUMPATTERN_Percent)},
{SUBC(0x4c4e8acb, "currency", FX_LOCALENUMPATTERN_Currency)},
{SUBC(0x54034c2f, "decimal", FX_LOCALENUMPATTERN_Decimal)},
{SUBC(0x7568e6ae, "integer", FX_LOCALENUMPATTERN_Integer)},
};
#undef SUBC
struct FX_LOCALETIMEZONEINFO {
const wchar_t* name;
int16_t iHour;
int16_t iMinute;
};
const FX_LOCALETIMEZONEINFO g_FXLocaleTimeZoneData[] = {
{L"CDT", -5, 0}, {L"CST", -6, 0}, {L"EDT", -4, 0}, {L"EST", -5, 0},
{L"MDT", -6, 0}, {L"MST", -7, 0}, {L"PDT", -7, 0}, {L"PST", -8, 0},
};
const wchar_t kTimeSymbols[] = L"hHkKMSFAzZ";
const wchar_t kDateSymbols[] = L"DJMEeGgYwW";
const wchar_t kConstChars[] = L",-:/. ";
size_t ParseTimeZone(pdfium::span<const wchar_t> spStr, FX_TIMEZONE* tz) {
tz->tzHour = 0;
tz->tzMinute = 0;
if (spStr.empty())
return 0;
// Keep index by 0 close to empty() check above for optimizer's sake.
const bool bNegative = (spStr[0] == '-');
size_t iStart = 1;
size_t iEnd = iStart + 2;
while (iStart < spStr.size() && iStart < iEnd)
tz->tzHour = tz->tzHour * 10 + FXSYS_DecimalCharToInt(spStr[iStart++]);
if (iStart < spStr.size() && spStr[iStart] == ':')
iStart++;
iEnd = iStart + 2;
while (iStart < spStr.size() && iStart < iEnd)
tz->tzMinute = tz->tzMinute * 10 + FXSYS_DecimalCharToInt(spStr[iStart++]);
if (bNegative)
tz->tzHour = -tz->tzHour;
return iStart;
}
int32_t ConvertHex(int32_t iKeyValue, wchar_t ch) {
if (FXSYS_IsHexDigit(ch))
return iKeyValue * 16 + FXSYS_HexCharToInt(ch);
return iKeyValue;
}
WideString GetLiteralText(pdfium::span<const wchar_t> spStrPattern,
size_t* iPattern) {
WideString wsOutput;
if (*iPattern >= spStrPattern.size() || spStrPattern[*iPattern] != '\'')
return wsOutput;
(*iPattern)++;
int32_t iQuote = 1;
while (*iPattern < spStrPattern.size()) {
if (spStrPattern[*iPattern] == '\'') {
iQuote++;
if ((*iPattern + 1 >= spStrPattern.size()) ||
((spStrPattern[*iPattern + 1] != '\'') && (iQuote % 2 == 0))) {
break;
}
iQuote++;
(*iPattern)++;
} else if (spStrPattern[*iPattern] == '\\' &&
(*iPattern + 1 < spStrPattern.size()) &&
spStrPattern[*iPattern + 1] == 'u') {
int32_t iKeyValue = 0;
*iPattern += 2;
for (int32_t i = 0; *iPattern < spStrPattern.size() && i < 4; ++i) {
wchar_t ch = spStrPattern[(*iPattern)++];
iKeyValue = ConvertHex(iKeyValue, ch);
}
if (iKeyValue != 0)
wsOutput += static_cast<wchar_t>(iKeyValue & 0x0000FFFF);
continue;
}
wsOutput += spStrPattern[(*iPattern)++];
}
return wsOutput;
}
WideString GetLiteralTextReverse(pdfium::span<const wchar_t> spStrPattern,
size_t* iPattern) {
WideString wsOutput;
if (*iPattern >= spStrPattern.size() || spStrPattern[*iPattern] != '\'')
return wsOutput;
(*iPattern)--;
int32_t iQuote = 1;
while (*iPattern < spStrPattern.size()) {
if (spStrPattern[*iPattern] == '\'') {
iQuote++;
if (*iPattern - 1 >= spStrPattern.size() ||
((spStrPattern[*iPattern - 1] != '\'') && (iQuote % 2 == 0))) {
break;
}
iQuote++;
(*iPattern)--;
} else if (spStrPattern[*iPattern] == '\\' &&
*iPattern + 1 < spStrPattern.size() &&
spStrPattern[*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];
iKeyValue = ConvertHex(iKeyValue, ch);
}
if (iKeyValue != 0) {
wsOutput.Delete(0, i);
wsOutput = (wchar_t)(iKeyValue & 0x0000FFFF) + wsOutput;
}
continue;
}
wsOutput = spStrPattern[(*iPattern)--] + wsOutput;
}
return wsOutput;
}
bool GetNumericDotIndex(const WideString& wsNum,
const WideString& wsDotSymbol,
size_t* iDotIndex) {
pdfium::span<const wchar_t> spNum = wsNum.AsSpan();
pdfium::span<const wchar_t> spDotSymbol = wsDotSymbol.AsSpan();
for (size_t ccf = 0; ccf < spNum.size(); ++ccf) {
if (spNum[ccf] == '\'') {
GetLiteralText(spNum, &ccf);
continue;
}
if (ccf + spDotSymbol.size() <= spNum.size() &&
wcsncmp(&spNum[ccf], spDotSymbol.data(), spDotSymbol.size()) == 0) {
*iDotIndex = ccf;
return true;
}
}
auto result = wsNum.Find('.');
*iDotIndex = result.value_or(spNum.size());
return result.has_value();
}
bool ExtractCountDigits(pdfium::span<const wchar_t> spStr,
size_t count,
size_t* cc,
uint32_t* value) {
for (size_t i = 0; i < count; ++i) {
if (*cc >= spStr.size() || !FXSYS_IsDecimalDigit(spStr[*cc]))
return false;
*value = *value * 10 + FXSYS_DecimalCharToInt(spStr[(*cc)++]);
}
return true;
}
bool ExtractCountDigitsWithOptional(pdfium::span<const wchar_t> spStr,
int count,
size_t* cc,
uint32_t* value) {
if (!ExtractCountDigits(spStr, count, cc, value))
return false;
ExtractCountDigits(spStr, 1, cc, value);
return true;
}
bool ParseLocaleDate(const WideString& wsDate,
const WideString& wsDatePattern,
LocaleIface* pLocale,
CFX_DateTime* datetime,
size_t* cc) {
uint32_t year = 1900;
uint32_t month = 1;
uint32_t day = 1;
size_t ccf = 0;
pdfium::span<const wchar_t> spDate = wsDate.AsSpan();
pdfium::span<const wchar_t> spDatePattern = wsDatePattern.AsSpan();
while (*cc < spDate.size() && ccf < spDatePattern.size()) {
if (spDatePattern[ccf] == '\'') {
WideString wsLiteral = GetLiteralText(spDatePattern, &ccf);
int32_t iLiteralLen = wsLiteral.GetLength();
if (*cc + iLiteralLen > spDate.size() ||
wcsncmp(spDate.data() + *cc, wsLiteral.c_str(), iLiteralLen) != 0) {
return false;
}
*cc += iLiteralLen;
ccf++;
continue;
}
if (!pdfium::ContainsValue(kDateSymbols, spDatePattern[ccf])) {
if (spDatePattern[ccf] != spDate[*cc])
return false;
(*cc)++;
ccf++;
continue;
}
WideString symbol;
symbol.Reserve(4);
symbol += spDatePattern[ccf++];
while (ccf < spDatePattern.size() && spDatePattern[ccf] == symbol[0]) {
symbol += spDatePattern[ccf++];
}
if (symbol.EqualsASCII("D") || symbol.EqualsASCII("DD")) {
day = 0;
if (!ExtractCountDigitsWithOptional(spDate, 1, cc, &day))
return false;
} else if (symbol.EqualsASCII("J")) {
uint32_t val = 0;
ExtractCountDigits(spDate, 3, cc, &val);
} else if (symbol.EqualsASCII("M") || symbol.EqualsASCII("MM")) {
month = 0;
if (!ExtractCountDigitsWithOptional(spDate, 1, cc, &month))
return false;
} else if (symbol.EqualsASCII("MMM") || symbol.EqualsASCII("MMMM")) {
for (uint16_t i = 0; i < 12; i++) {
WideString wsMonthName =
pLocale->GetMonthName(i, symbol.EqualsASCII("MMM"));
if (wsMonthName.IsEmpty())
continue;
if (wcsncmp(wsMonthName.c_str(), spDate.data() + *cc,
wsMonthName.GetLength()) == 0) {
*cc += wsMonthName.GetLength();
month = i + 1;
break;
}
}
} else if (symbol.EqualsASCII("EEE") || symbol.EqualsASCII("EEEE")) {
for (uint16_t i = 0; i < 7; i++) {
WideString wsDayName =
pLocale->GetDayName(i, symbol.EqualsASCII("EEE"));
if (wsDayName.IsEmpty())
continue;
if (wcsncmp(wsDayName.c_str(), spDate.data() + *cc,
wsDayName.GetLength()) == 0) {
*cc += wsDayName.GetLength();
break;
}
}
} else if (symbol.EqualsASCII("YY") || symbol.EqualsASCII("YYYY")) {
if (*cc + symbol.GetLength() > spDate.size())
return false;
year = 0;
if (!ExtractCountDigits(spDate, symbol.GetLength(), cc, &year))
return false;
if (symbol.EqualsASCII("YY")) {
if (year <= 29)
year += 2000;
else
year += 1900;
}
} else if (symbol.EqualsASCII("G")) {
*cc += 2;
} else if (symbol.EqualsASCII("JJJ") || symbol.EqualsASCIINoCase("E") ||
symbol.EqualsASCII("w") || symbol.EqualsASCII("WW")) {
*cc += symbol.GetLength();
}
}
if (*cc < spDate.size())
return false;
datetime->SetDate(year, month, day);
return !!(*cc);
}
void ResolveZone(FX_TIMEZONE tzDiff,
const LocaleIface* pLocale,
uint32_t* wHour,
uint32_t* wMinute) {
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);
iMinuteDiff %= 1440;
if (iMinuteDiff < 0)
iMinuteDiff += 1440;
*wHour = iMinuteDiff / 60;
*wMinute = iMinuteDiff % 60;
}
bool ParseLocaleTime(const WideString& wsTime,
const WideString& wsTimePattern,
LocaleIface* pLocale,
CFX_DateTime* datetime,
size_t* cc) {
uint32_t hour = 0;
uint32_t minute = 0;
uint32_t second = 0;
uint32_t millisecond = 0;
size_t ccf = 0;
pdfium::span<const wchar_t> spTime = wsTime.AsSpan();
pdfium::span<const wchar_t> spTimePattern = wsTimePattern.AsSpan();
bool bHasA = false;
bool bPM = false;
while (*cc < spTime.size() && ccf < spTimePattern.size()) {
if (spTimePattern[ccf] == '\'') {
WideString wsLiteral = GetLiteralText(spTimePattern, &ccf);
int32_t iLiteralLen = wsLiteral.GetLength();
if (*cc + iLiteralLen > spTime.size() ||
wcsncmp(spTime.data() + *cc, wsLiteral.c_str(), iLiteralLen) != 0) {
return false;
}
*cc += iLiteralLen;
ccf++;
continue;
}
if (!pdfium::ContainsValue(kTimeSymbols, spTimePattern[ccf])) {
if (spTimePattern[ccf] != spTime[*cc])
return false;
(*cc)++;
ccf++;
continue;
}
WideString symbol;
symbol.Reserve(4);
symbol += spTimePattern[ccf++];
while (ccf < spTimePattern.size() && spTimePattern[ccf] == symbol[0])
symbol += spTimePattern[ccf++];
if (symbol.EqualsASCIINoCase("k") || symbol.EqualsASCIINoCase("h")) {
hour = 0;
if (!ExtractCountDigitsWithOptional(spTime, 1, cc, &hour))
return false;
if (symbol.EqualsASCII("K") && hour == 24)
hour = 0;
} else if (symbol.EqualsASCIINoCase("kk") ||
symbol.EqualsASCIINoCase("hh")) {
hour = 0;
if (!ExtractCountDigits(spTime, 2, cc, &hour))
return false;
if (symbol.EqualsASCII("KK") && hour == 24)
hour = 0;
} else if (symbol.EqualsASCII("M")) {
minute = 0;
if (!ExtractCountDigitsWithOptional(spTime, 1, cc, &minute))
return false;
} else if (symbol.EqualsASCII("MM")) {
minute = 0;
if (!ExtractCountDigits(spTime, 2, cc, &minute))
return false;
} else if (symbol.EqualsASCII("S")) {
second = 0;
if (!ExtractCountDigitsWithOptional(spTime, 1, cc, &second))
return false;
} else if (symbol.EqualsASCII("SS")) {
second = 0;
if (!ExtractCountDigits(spTime, 2, cc, &second))
return false;
} else if (symbol.EqualsASCII("FFF")) {
millisecond = 0;
if (!ExtractCountDigits(spTime, 3, cc, &millisecond))
return false;
} else if (symbol.EqualsASCII("A")) {
WideString wsAM = pLocale->GetMeridiemName(true);
WideString wsPM = pLocale->GetMeridiemName(false);
if (*cc + wsAM.GetLength() <= spTime.size() &&
WideStringView(spTime.data() + *cc, wsAM.GetLength()) == wsAM) {
*cc += wsAM.GetLength();
bHasA = true;
} else if (*cc + wsPM.GetLength() <= spTime.size() &&
WideStringView(spTime.data() + *cc, wsPM.GetLength()) ==
wsPM) {
*cc += wsPM.GetLength();
bHasA = true;
bPM = true;
}
} else if (symbol.EqualsASCII("Z")) {
if (*cc + 3 > spTime.size())
continue;
WideString tz(spTime[(*cc)++]);
tz += spTime[(*cc)++];
tz += spTime[(*cc)++];
if (tz.EqualsASCII("GMT")) {
FX_TIMEZONE tzDiff;
tzDiff.tzHour = 0;
tzDiff.tzMinute = 0;
if (*cc < spTime.size() && (spTime[*cc] == '-' || spTime[*cc] == '+')) {
*cc += ParseTimeZone(spTime.subspan(*cc), &tzDiff);
}
ResolveZone(tzDiff, pLocale, &hour, &minute);
} else {
// Search the timezone list. There are only 8 of them, so linear scan.
for (size_t i = 0; i < FX_ArraySize(g_FXLocaleTimeZoneData); ++i) {
const FX_LOCALETIMEZONEINFO& info = g_FXLocaleTimeZoneData[i];
if (tz != info.name)
continue;
hour += info.iHour;
minute += info.iHour > 0 ? info.iMinute : -info.iMinute;
break;
}
}
} else if (symbol.EqualsASCII("z")) {
if (spTime[*cc] != 'Z') {
FX_TIMEZONE tzDiff;
*cc += ParseTimeZone(spTime.subspan(*cc), &tzDiff);
ResolveZone(tzDiff, pLocale, &hour, &minute);
} 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);
}
size_t GetNumTrailingLimit(const WideString& wsFormat,
size_t iDotPos,
bool* bTrimTailZeros) {
const pdfium::span<const wchar_t> spFormat = wsFormat.AsSpan();
size_t iTrailing = 0;
for (++iDotPos; iDotPos < spFormat.size(); ++iDotPos) {
wchar_t wc = spFormat[iDotPos];
if (wc == L'z' || wc == L'9' || wc == 'Z') {
iTrailing++;
*bTrimTailZeros = wc != L'9';
}
}
return iTrailing;
}
bool IsLeapYear(uint32_t year) {
return (year % 4 == 0 && year % 100 != 0) || year % 400 == 0;
}
bool MonthHas30Days(uint32_t month) {
return month == 4 || month == 6 || month == 9 || month == 11;
}
bool MonthHas31Days(uint32_t month) {
return month != 2 && !MonthHas30Days(month);
}
// |month| is 1-based. e.g. 1 means January.
uint16_t GetSolarMonthDays(uint16_t year, uint16_t month) {
if (month == 2)
return FX_IsLeapYear(year) ? 29 : 28;
return MonthHas30Days(month) ? 30 : 31;
}
uint16_t GetWeekDay(uint16_t year, uint16_t month, uint16_t day) {
static const uint8_t kMonthDay[] = {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 += kMonthDay[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;
}
WideString NumToString(size_t fmt_size, int32_t value) {
return WideString::Format(
fmt_size == 1 ? L"%d" : fmt_size == 2 ? L"%02d" : L"%03d", value);
}
WideString DateFormat(const WideString& wsDatePattern,
LocaleIface* pLocale,
const CFX_DateTime& datetime) {
WideString wsResult;
int32_t year = datetime.GetYear();
uint8_t month = datetime.GetMonth();
uint8_t day = datetime.GetDay();
size_t ccf = 0;
pdfium::span<const wchar_t> spDatePattern = wsDatePattern.AsSpan();
while (ccf < spDatePattern.size()) {
if (spDatePattern[ccf] == '\'') {
wsResult += GetLiteralText(spDatePattern, &ccf);
ccf++;
continue;
}
if (!pdfium::ContainsValue(kDateSymbols, spDatePattern[ccf])) {
wsResult += spDatePattern[ccf++];
continue;
}
WideString symbol;
symbol.Reserve(4);
symbol += spDatePattern[ccf++];
while (ccf < spDatePattern.size() && spDatePattern[ccf] == symbol[0])
symbol += spDatePattern[ccf++];
if (symbol.EqualsASCII("D") || symbol.EqualsASCII("DD")) {
wsResult += NumToString(symbol.GetLength(), day);
} else if (symbol.EqualsASCII("J") || symbol.EqualsASCII("JJJ")) {
uint16_t nDays = 0;
for (int i = 1; i < month; i++)
nDays += GetSolarMonthDays(year, i);
nDays += day;
wsResult += NumToString(symbol.GetLength(), nDays);
} else if (symbol.EqualsASCII("M") || symbol.EqualsASCII("MM")) {
wsResult += NumToString(symbol.GetLength(), month);
} else if (symbol.EqualsASCII("MMM") || symbol.EqualsASCII("MMMM")) {
wsResult += pLocale->GetMonthName(month - 1, symbol.EqualsASCII("MMM"));
} else if (symbol.EqualsASCIINoCase("e")) {
uint16_t wWeekDay = GetWeekDay(year, month, day);
wsResult +=
NumToString(1, symbol.EqualsASCII("E") ? wWeekDay + 1
: (wWeekDay ? wWeekDay : 7));
} else if (symbol.EqualsASCII("EEE") || symbol.EqualsASCII("EEEE")) {
wsResult += pLocale->GetDayName(GetWeekDay(year, month, day),
symbol.EqualsASCII("EEE"));
} else if (symbol.EqualsASCII("G")) {
wsResult += pLocale->GetEraName(year > 0);
} else if (symbol.EqualsASCII("YY")) {
wsResult += NumToString(2, year % 100);
} else if (symbol.EqualsASCII("YYYY")) {
wsResult += NumToString(1, year);
} else if (symbol.EqualsASCII("w")) {
wsResult += NumToString(1, GetWeekOfMonth(year, month, day));
} else if (symbol.EqualsASCII("WW")) {
wsResult += NumToString(2, GetWeekOfYear(year, month, day));
}
}
return wsResult;
}
WideString TimeFormat(const WideString& wsTimePattern,
LocaleIface* pLocale,
const CFX_DateTime& datetime) {
WideString wsResult;
uint8_t hour = datetime.GetHour();
uint8_t minute = datetime.GetMinute();
uint8_t second = datetime.GetSecond();
uint16_t millisecond = datetime.GetMillisecond();
size_t ccf = 0;
pdfium::span<const wchar_t> spTimePattern = wsTimePattern.AsSpan();
uint16_t wHour = hour;
bool bPM = false;
if (wsTimePattern.Contains('A')) {
if (wHour >= 12)
bPM = true;
}
while (ccf < spTimePattern.size()) {
if (spTimePattern[ccf] == '\'') {
wsResult += GetLiteralText(spTimePattern, &ccf);
ccf++;
continue;
}
if (!pdfium::ContainsValue(kTimeSymbols, spTimePattern[ccf])) {
wsResult += spTimePattern[ccf++];
continue;
}
WideString symbol;
symbol.Reserve(4);
symbol += spTimePattern[ccf++];
while (ccf < spTimePattern.size() && spTimePattern[ccf] == symbol[0])
symbol += spTimePattern[ccf++];
if (symbol.EqualsASCII("h") || symbol.EqualsASCII("hh")) {
if (wHour > 12)
wHour -= 12;
wsResult += NumToString(symbol.GetLength(), wHour == 0 ? 12 : wHour);
} else if (symbol.EqualsASCII("K") || symbol.EqualsASCII("KK")) {
wsResult += NumToString(symbol.GetLength(), wHour == 0 ? 24 : wHour);
} else if (symbol.EqualsASCII("k") || symbol.EqualsASCII("kk")) {
if (wHour > 12)
wHour -= 12;
wsResult += NumToString(symbol.GetLength(), wHour);
} else if (symbol.EqualsASCII("H") || symbol.EqualsASCII("HH")) {
wsResult += NumToString(symbol.GetLength(), wHour);
} else if (symbol.EqualsASCII("M") || symbol.EqualsASCII("MM")) {
wsResult += NumToString(symbol.GetLength(), minute);
} else if (symbol.EqualsASCII("S") || symbol.EqualsASCII("SS")) {
wsResult += NumToString(symbol.GetLength(), second);
} else if (symbol.EqualsASCII("FFF")) {
wsResult += NumToString(3, millisecond);
} else if (symbol.EqualsASCII("A")) {
wsResult += pLocale->GetMeridiemName(!bPM);
} else if (symbol.EqualsASCIINoCase("z")) {
if (symbol.EqualsASCII("Z"))
wsResult += L"GMT";
FX_TIMEZONE tz = pLocale->GetTimeZone();
if (tz.tzHour != 0 || tz.tzMinute != 0) {
wsResult += tz.tzHour < 0 ? L"-" : L"+";
wsResult +=
WideString::Format(L"%02d:%02d", abs(tz.tzHour), tz.tzMinute);
}
}
}
return wsResult;
}
WideString FormatDateTimeInternal(const CFX_DateTime& dt,
const WideString& wsDatePattern,
const WideString& wsTimePattern,
bool bDateFirst,
LocaleIface* pLocale) {
WideString wsDateOut;
if (!wsDatePattern.IsEmpty())
wsDateOut = DateFormat(wsDatePattern, pLocale, dt);
WideString wsTimeOut;
if (!wsTimePattern.IsEmpty())
wsTimeOut = TimeFormat(wsTimePattern, pLocale, dt);
return bDateFirst ? wsDateOut + wsTimeOut : wsTimeOut + wsDateOut;
}
} // namespace
bool FX_DateFromCanonical(pdfium::span<const wchar_t> spDate,
CFX_DateTime* datetime) {
if (spDate.size() > 10)
return false;
size_t cc = 0;
uint32_t year = 0;
if (!ExtractCountDigits(spDate, 4, &cc, &year))
return false;
if (year < 1900)
return false;
if (cc >= spDate.size()) {
datetime->SetDate(year, 1, 1);
return true;
}
if (spDate[cc] == '-')
cc++;
uint32_t month = 0;
if (!ExtractCountDigits(spDate, 2, &cc, &month) || month < 1 || month > 12)
return false;
if (cc >= spDate.size()) {
datetime->SetDate(year, month, 1);
return true;
}
if (spDate[cc] == '-')
cc++;
uint32_t day = 0;
if (!ExtractCountDigits(spDate, 2, &cc, &day))
return false;
if (day < 1)
return false;
if ((MonthHas31Days(month) && day > 31) ||
(MonthHas30Days(month) && day > 30)) {
return false;
}
if (month == 2 && day > (IsLeapYear(year) ? 29U : 28U))
return false;
datetime->SetDate(year, month, day);
return true;
}
bool FX_TimeFromCanonical(const LocaleIface* pLocale,
pdfium::span<const wchar_t> spTime,
CFX_DateTime* datetime) {
if (spTime.empty())
return false;
size_t cc = 0;
uint32_t hour = 0;
if (!ExtractCountDigits(spTime, 2, &cc, &hour) || hour >= 24)
return false;
if (cc >= spTime.size()) {
datetime->SetTime(hour, 0, 0, 0);
return true;
}
if (spTime[cc] == ':')
cc++;
uint32_t minute = 0;
if (!ExtractCountDigits(spTime, 2, &cc, &minute) || minute >= 60)
return false;
if (cc >= spTime.size()) {
datetime->SetTime(hour, minute, 0, 0);
return true;
}
if (spTime[cc] == ':')
cc++;
uint32_t second = 0;
uint32_t millisecond = 0;
if (cc < spTime.size() && spTime[cc] != 'Z') {
if (!ExtractCountDigits(spTime, 2, &cc, &second) || second >= 60)
return false;
if (cc < spTime.size() && spTime[cc] == '.') {
cc++;
if (!ExtractCountDigits(spTime, 3, &cc, &millisecond))
return false;
}
}
// Skip until we find a + or - for the time zone.
while (cc < spTime.size()) {
if (spTime[cc] == '+' || spTime[cc] == '-')
break;
++cc;
}
if (cc < spTime.size()) {
FX_TIMEZONE tzDiff;
tzDiff.tzHour = 0;
tzDiff.tzMinute = 0;
if (spTime[cc] != 'Z')
cc += ParseTimeZone(spTime.subspan(cc), &tzDiff);
ResolveZone(tzDiff, pLocale, &hour, &minute);
}
datetime->SetTime(hour, minute, second, millisecond);
return true;
}
CFGAS_StringFormatter::CFGAS_StringFormatter(LocaleMgrIface* pLocaleMgr,
const WideString& wsPattern)
: m_pLocaleMgr(pLocaleMgr),
m_wsPattern(wsPattern),
m_spPattern(m_wsPattern.AsSpan()) {}
CFGAS_StringFormatter::~CFGAS_StringFormatter() = default;
// static
std::vector<WideString> CFGAS_StringFormatter::SplitOnBars(
const WideString& wsFormatString) {
std::vector<WideString> wsPatterns;
pdfium::span<const wchar_t> spFormatString = wsFormatString.AsSpan();
size_t index = 0;
size_t token = 0;
bool bQuote = false;
for (; index < spFormatString.size(); ++index) {
if (spFormatString[index] == '\'') {
bQuote = !bQuote;
} else if (spFormatString[index] == L'|' && !bQuote) {
wsPatterns.emplace_back(spFormatString.data() + token, index - token);
token = index + 1;
}
}
wsPatterns.emplace_back(spFormatString.data() + token, index - token);
return wsPatterns;
}
FX_LOCALECATEGORY CFGAS_StringFormatter::GetCategory() const {
FX_LOCALECATEGORY eCategory = FX_LOCALECATEGORY_Unknown;
size_t ccf = 0;
bool bBraceOpen = false;
while (ccf < m_spPattern.size()) {
if (m_spPattern[ccf] == '\'') {
GetLiteralText(m_spPattern, &ccf);
} else if (!bBraceOpen &&
!pdfium::ContainsValue(kConstChars, m_spPattern[ccf])) {
WideString wsCategory(m_spPattern[ccf]);
ccf++;
while (true) {
if (ccf >= m_spPattern.size())
return eCategory;
if (m_spPattern[ccf] == '.' || m_spPattern[ccf] == '(')
break;
if (m_spPattern[ccf] == '{') {
bBraceOpen = true;
break;
}
wsCategory += m_spPattern[ccf];
ccf++;
}
uint32_t dwHash = FX_HashCode_GetW(wsCategory.AsStringView(), false);
if (dwHash == FX_LOCALECATEGORY_DateTimeHash)
return FX_LOCALECATEGORY_DateTime;
if (dwHash == FX_LOCALECATEGORY_TextHash)
return FX_LOCALECATEGORY_Text;
if (dwHash == FX_LOCALECATEGORY_NumHash)
return FX_LOCALECATEGORY_Num;
if (dwHash == FX_LOCALECATEGORY_ZeroHash)
return FX_LOCALECATEGORY_Zero;
if (dwHash == FX_LOCALECATEGORY_NullHash)
return FX_LOCALECATEGORY_Null;
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 (m_spPattern[ccf] == '}') {
bBraceOpen = false;
}
ccf++;
}
return eCategory;
}
WideString CFGAS_StringFormatter::GetTextFormat(
WideStringView wsCategory) const {
size_t ccf = 0;
bool bBrackOpen = false;
WideString wsPurgePattern;
while (ccf < m_spPattern.size()) {
if (m_spPattern[ccf] == '\'') {
int32_t iCurChar = ccf;
GetLiteralText(m_spPattern, &ccf);
wsPurgePattern +=
WideStringView(m_spPattern.data() + iCurChar, ccf - iCurChar + 1);
} else if (!bBrackOpen &&
!pdfium::ContainsValue(kConstChars, m_spPattern[ccf])) {
WideString wsSearchCategory(m_spPattern[ccf]);
ccf++;
while (ccf < m_spPattern.size() && m_spPattern[ccf] != '{' &&
m_spPattern[ccf] != '.' && m_spPattern[ccf] != '(') {
wsSearchCategory += m_spPattern[ccf];
ccf++;
}
if (wsSearchCategory != wsCategory)
continue;
while (ccf < m_spPattern.size()) {
if (m_spPattern[ccf] == '(') {
ccf++;
// Skip over the encoding name.
while (ccf < m_spPattern.size() && m_spPattern[ccf] != ')')
ccf++;
} else if (m_spPattern[ccf] == '{') {
bBrackOpen = true;
break;
}
ccf++;
}
} else if (m_spPattern[ccf] != '}') {
wsPurgePattern += m_spPattern[ccf];
}
ccf++;
}
if (!bBrackOpen)
wsPurgePattern = m_wsPattern;
return wsPurgePattern;
}
LocaleIface* CFGAS_StringFormatter::GetNumericFormat(
size_t* iDotIndex,
uint32_t* dwStyle,
WideString* wsPurgePattern) const {
*dwStyle = 0;
LocaleIface* pLocale = nullptr;
size_t ccf = 0;
bool bFindDot = false;
bool bBrackOpen = false;
while (ccf < m_spPattern.size()) {
if (m_spPattern[ccf] == '\'') {
int32_t iCurChar = ccf;
GetLiteralText(m_spPattern, &ccf);
*wsPurgePattern +=
WideStringView(m_spPattern.data() + iCurChar, ccf - iCurChar + 1);
} else if (!bBrackOpen &&
!pdfium::ContainsValue(kConstChars, m_spPattern[ccf])) {
WideString wsCategory(m_spPattern[ccf]);
ccf++;
while (ccf < m_spPattern.size() && m_spPattern[ccf] != '{' &&
m_spPattern[ccf] != '.' && m_spPattern[ccf] != '(') {
wsCategory += m_spPattern[ccf];
ccf++;
}
if (!wsCategory.EqualsASCII("num")) {
bBrackOpen = true;
ccf = 0;
continue;
}
while (ccf < m_spPattern.size()) {
if (m_spPattern[ccf] == '{') {
bBrackOpen = true;
break;
}
if (m_spPattern[ccf] == '(') {
ccf++;
WideString wsLCID;
while (ccf < m_spPattern.size() && m_spPattern[ccf] != ')')
wsLCID += m_spPattern[ccf++];
pLocale = m_pLocaleMgr->GetLocaleByName(wsLCID);
} else if (m_spPattern[ccf] == '.') {
WideString wsSubCategory;
ccf++;
while (ccf < m_spPattern.size() && m_spPattern[ccf] != '(' &&
m_spPattern[ccf] != '{') {
wsSubCategory += m_spPattern[ccf++];
}
uint32_t dwSubHash =
FX_HashCode_GetW(wsSubCategory.AsStringView(), false);
FX_LOCALENUMSUBCATEGORY eSubCategory = FX_LOCALENUMPATTERN_Decimal;
for (const auto& data : g_FXLocaleNumSubCatData) {
if (data.uHash == dwSubHash) {
eSubCategory = data.eSubCategory;
break;
}
}
if (!pLocale)
pLocale = m_pLocaleMgr->GetDefLocale();
ASSERT(pLocale);
wsSubCategory = pLocale->GetNumPattern(eSubCategory);
auto result = wsSubCategory.Find('.');
if (result.has_value() && result.value() != 0) {
if (!bFindDot)
*iDotIndex = wsPurgePattern->GetLength() + result.value();
bFindDot = true;
*dwStyle |= FX_NUMSTYLE_DotVorv;
}
*wsPurgePattern += wsSubCategory;
if (eSubCategory == FX_LOCALENUMPATTERN_Percent)
*dwStyle |= FX_NUMSTYLE_Percent;
continue;
}
ccf++;
}
} else if (m_spPattern[ccf] == 'E') {
*dwStyle |= FX_NUMSTYLE_Exponent;
*wsPurgePattern += m_spPattern[ccf];
} else if (m_spPattern[ccf] == '%') {
*dwStyle |= FX_NUMSTYLE_Percent;
*wsPurgePattern += m_spPattern[ccf];
} else if (m_spPattern[ccf] != '}') {
*wsPurgePattern += m_spPattern[ccf];
}
if (!bFindDot && ccf < m_spPattern.size() &&
(m_spPattern[ccf] == '.' || m_spPattern[ccf] == 'V' ||
m_spPattern[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_StringFormatter::ParseText(const WideString& wsSrcText,
WideString* wsValue) const {
wsValue->clear();
if (wsSrcText.IsEmpty() || m_spPattern.empty())
return false;
WideString wsTextFormat = GetTextFormat(L"text");
if (wsTextFormat.IsEmpty())
return false;
pdfium::span<const wchar_t> spSrcText = wsSrcText.AsSpan();
pdfium::span<const wchar_t> spTextFormat = wsTextFormat.AsSpan();
size_t iText = 0;
size_t iPattern = 0;
while (iPattern < spTextFormat.size() && iText < spSrcText.size()) {
switch (spTextFormat[iPattern]) {
case '\'': {
WideString wsLiteral = GetLiteralText(spTextFormat, &iPattern);
int32_t iLiteralLen = wsLiteral.GetLength();
if (iText + iLiteralLen > spSrcText.size() ||
wcsncmp(spSrcText.data() + iText, wsLiteral.c_str(), iLiteralLen) !=
0) {
*wsValue = wsSrcText;
return false;
}
iText += iLiteralLen;
iPattern++;
break;
}
case 'A':
if (FXSYS_iswalpha(spSrcText[iText])) {
*wsValue += spSrcText[iText];
iText++;
}
iPattern++;
break;
case 'X':
*wsValue += spSrcText[iText];
iText++;
iPattern++;
break;
case 'O':
case '0':
if (FXSYS_IsDecimalDigit(spSrcText[iText]) ||
FXSYS_iswalpha(spSrcText[iText])) {
*wsValue += spSrcText[iText];
iText++;
}
iPattern++;
break;
case '9':
if (FXSYS_IsDecimalDigit(spSrcText[iText])) {
*wsValue += spSrcText[iText];
iText++;
}
iPattern++;
break;
default:
if (spTextFormat[iPattern] != spSrcText[iText]) {
*wsValue = wsSrcText;
return false;
}
iPattern++;
iText++;
break;
}
}
return iPattern == spTextFormat.size() && iText == spSrcText.size();
}
bool CFGAS_StringFormatter::ParseNum(const WideString& wsSrcNum,
WideString* wsValue) const {
wsValue->clear();
if (wsSrcNum.IsEmpty() || m_spPattern.empty())
return false;
size_t dot_index_f = m_spPattern.size();
uint32_t dwFormatStyle = 0;
WideString wsNumFormat;
LocaleIface* pLocale =
GetNumericFormat(&dot_index_f, &dwFormatStyle, &wsNumFormat);
if (!pLocale || wsNumFormat.IsEmpty())
return false;
int32_t iExponent = 0;
WideString wsDotSymbol = pLocale->GetDecimalSymbol();
WideString wsGroupSymbol = pLocale->GetGroupingSymbol();
int32_t iGroupLen = wsGroupSymbol.GetLength();
WideString wsMinus = pLocale->GetMinusSymbol();
int32_t iMinusLen = wsMinus.GetLength();
pdfium::span<const wchar_t> spSrcNum = wsSrcNum.AsSpan();
pdfium::span<const wchar_t> spNumFormat = wsNumFormat.AsSpan();
bool bHavePercentSymbol = false;
bool bNeg = false;
bool bReverseParse = false;
size_t dot_index = 0;
// If we're looking for a '.', 'V' or 'v' and the input string does not
// have a dot index for one of those, then we disable parsing the decimal.
if (!GetNumericDotIndex(wsSrcNum, wsDotSymbol, &dot_index) &&
(dwFormatStyle & FX_NUMSTYLE_DotVorv))
bReverseParse = true;
// This parse is broken into two parts based on the '.' in the number
// (or 'V' or 'v'). |dot_index_f| is the location of the dot in the format and
// |dot_index| is the location of the dot in the number.
//
// This first while() starts at the '.' and walks backwards to the start of
// the number. The second while() walks from the dot forwards to the end of
// the decimal.
size_t cc = dot_index - 1;
size_t ccf = dot_index_f - 1;
while (ccf < spNumFormat.size() && cc < spSrcNum.size()) {
switch (spNumFormat[ccf]) {
case '\'': {
WideString wsLiteral = GetLiteralTextReverse(spNumFormat, &ccf);
int32_t iLiteralLen = wsLiteral.GetLength();
cc -= iLiteralLen - 1;
if (cc >= spSrcNum.size() ||
wcsncmp(spSrcNum.data() + cc, wsLiteral.c_str(), iLiteralLen) !=
0) {
return false;
}
cc--;
ccf--;
break;
}
case '9':
if (!FXSYS_IsDecimalDigit(spSrcNum[cc]))
return false;
wsValue->InsertAtFront(spSrcNum[cc]);
cc--;
ccf--;
break;
case 'z':
case 'Z':
if (spNumFormat[ccf] == 'z' || spSrcNum[cc] != ' ') {
if (FXSYS_IsDecimalDigit(spSrcNum[cc])) {
wsValue->InsertAtFront(spSrcNum[cc]);
cc--;
}
} else {
cc--;
}
ccf--;
break;
case 'S':
case 's':
if (spSrcNum[cc] == '+' ||
(spNumFormat[ccf] == 'S' && spSrcNum[cc] == ' ')) {
cc--;
} else {
cc -= iMinusLen - 1;
if (cc >= spSrcNum.size() ||
wcsncmp(spSrcNum.data() + cc, wsMinus.c_str(), iMinusLen) != 0) {
return false;
}
cc--;
bNeg = true;
}
ccf--;
break;
case 'E': {
iExponent = 0;
bool bExpSign = false;
while (cc < spSrcNum.size()) {
if (spSrcNum[cc] == 'E' || spSrcNum[cc] == 'e')
break;
if (FXSYS_IsDecimalDigit(spSrcNum[cc])) {
if (iExponent > std::numeric_limits<int>::max() / 10)
return false;
iExponent = iExponent + FXSYS_DecimalCharToInt(spSrcNum[cc]) * 10;
cc--;
continue;
}
if (spSrcNum[cc] == '+') {
cc--;
continue;
}
if (cc - iMinusLen + 1 <= spSrcNum.size() &&
wcsncmp(spSrcNum.data() + (cc - iMinusLen + 1), wsMinus.c_str(),
iMinusLen) == 0) {
bExpSign = true;
cc -= iMinusLen;
continue;
}
return false;
}
cc--;
iExponent = bExpSign ? -iExponent : iExponent;
ccf--;
break;
}
case '$': {
WideString wsSymbol = pLocale->GetCurrencySymbol();
int32_t iSymbolLen = wsSymbol.GetLength();
cc -= iSymbolLen - 1;
if (cc >= spSrcNum.size() ||
wcsncmp(spSrcNum.data() + cc, wsSymbol.c_str(), iSymbolLen) != 0) {
return false;
}
cc--;
ccf--;
break;
}
case 'r':
case 'R':
if (ccf - 1 < spNumFormat.size() &&
((spNumFormat[ccf] == 'R' && spNumFormat[ccf - 1] == 'C') ||
(spNumFormat[ccf] == 'r' && spNumFormat[ccf - 1] == 'c'))) {
if (spNumFormat[ccf] == 'R' && spSrcNum[cc] == ' ') {
cc -= 2;
} else if (spSrcNum[cc] == 'R' && cc - 1 < spSrcNum.size() &&
spSrcNum[cc - 1] == 'C') {
bNeg = true;
cc -= 2;
}
ccf -= 2;
} else {
ccf--;
}
break;
case 'b':
case 'B':
if (ccf - 1 < spNumFormat.size() &&
((spNumFormat[ccf] == 'B' && spNumFormat[ccf - 1] == 'D') ||
(spNumFormat[ccf] == 'b' && spNumFormat[ccf - 1] == 'd'))) {
if (spNumFormat[ccf] == 'B' && spSrcNum[cc] == ' ') {
cc -= 2;
} else if (spSrcNum[cc] == 'B' && cc - 1 < spSrcNum.size() &&
spSrcNum[cc - 1] == 'D') {
bNeg = true;
cc -= 2;
}
ccf -= 2;
} else {
ccf--;
}
break;
case '%': {
WideString wsSymbol = pLocale->GetPercentSymbol();
int32_t iSysmbolLen = wsSymbol.GetLength();
cc -= iSysmbolLen - 1;
if (cc >= spSrcNum.size() ||
wcsncmp(spSrcNum.data() + cc, wsSymbol.c_str(), iSysmbolLen) != 0) {
return false;
}
cc--;
ccf--;
bHavePercentSymbol = true;
break;
}
case '.':
case 'V':
case 'v':
case '8':
return false;
case ',': {
if (cc < spSrcNum.size()) {
cc -= iGroupLen - 1;
if (cc < spSrcNum.size() &&
wcsncmp(spSrcNum.data() + cc, wsGroupSymbol.c_str(), iGroupLen) ==
0) {
cc--;
} else {
cc += iGroupLen - 1;
}
}
ccf--;
break;
}
case '(':
case ')':
if (spSrcNum[cc] == spNumFormat[ccf])
bNeg = true;
else if (spSrcNum[cc] != L' ')
return false;
cc--;
ccf--;
break;
default:
if (spNumFormat[ccf] != spSrcNum[cc])
return false;
cc--;
ccf--;
}
}
if (cc < spSrcNum.size()) {
if (spSrcNum[cc] == '-') {
bNeg = true;
cc--;
}
if (cc < spSrcNum.size())
return false;
}
if ((dwFormatStyle & FX_NUMSTYLE_DotVorv) && dot_index < spSrcNum.size())
*wsValue += '.';
if (!bReverseParse) {
cc = (dot_index == spSrcNum.size()) ? spSrcNum.size() : dot_index + 1;
for (ccf = dot_index_f + 1;
cc < spSrcNum.size() && ccf < spNumFormat.size(); ++ccf) {
switch (spNumFormat[ccf]) {
case '\'': {
WideString wsLiteral = GetLiteralText(spNumFormat, &ccf);
int32_t iLiteralLen = wsLiteral.GetLength();
if (cc + iLiteralLen > spSrcNum.size() ||
wcsncmp(spSrcNum.data() + cc, wsLiteral.c_str(), iLiteralLen) !=
0) {
return false;
}
cc += iLiteralLen;
break;
}
case '9':
if (!FXSYS_IsDecimalDigit(spSrcNum[cc]))
return false;
*wsValue += spSrcNum[cc];
cc++;
break;
case 'z':
case 'Z':
if (spNumFormat[ccf] == 'z' || spSrcNum[cc] != ' ') {
if (FXSYS_IsDecimalDigit(spSrcNum[cc])) {
*wsValue += spSrcNum[cc];
cc++;
}
} else {
cc++;
}
break;
case 'S':
case 's':
if (spSrcNum[cc] == '+' ||
(spNumFormat[ccf] == 'S' && spSrcNum[cc] == ' ')) {
cc++;
} else {
if (cc + iMinusLen > spSrcNum.size() ||
wcsncmp(spSrcNum.data() + cc, wsMinus.c_str(), iMinusLen) !=
0) {
return false;
}
bNeg = true;
cc += iMinusLen;
}
break;
case 'E': {
if (cc >= spSrcNum.size() ||
(spSrcNum[cc] != 'E' && spSrcNum[cc] != 'e')) {
return false;
}
iExponent = 0;
bool bExpSign = false;
cc++;
if (cc < spSrcNum.size()) {
if (spSrcNum[cc] == '+') {
cc++;
} else if (spSrcNum[cc] == '-') {
bExpSign = true;
cc++;
}
}
while (cc < spSrcNum.size()) {
if (!FXSYS_IsDecimalDigit(spSrcNum[cc]))
break;
int digit = FXSYS_DecimalCharToInt(spSrcNum[cc]);
if (iExponent > (std::numeric_limits<int>::max() - digit) / 10)
return false;
iExponent = iExponent * 10 + digit;
cc++;
}
iExponent = bExpSign ? -iExponent : iExponent;
break;
}
case '$': {
WideString wsSymbol = pLocale->GetCurrencySymbol();
int32_t iSymbolLen = wsSymbol.GetLength();
if (cc + iSymbolLen > spSrcNum.size() ||
wcsncmp(spSrcNum.data() + cc, wsSymbol.c_str(), iSymbolLen) !=
0) {
return false;
}
cc += iSymbolLen;
break;
}
case 'c':
case 'C':
if (ccf + 1 < spNumFormat.size() &&
((spNumFormat[ccf] == 'C' && spNumFormat[ccf + 1] == 'R') ||
(spNumFormat[ccf] == 'c' && spNumFormat[ccf + 1] == 'r'))) {
if (spNumFormat[ccf] == 'C' && spSrcNum[cc] == ' ') {
cc++;
} else if (spSrcNum[cc] == 'C' && cc + 1 < spSrcNum.size() &&
spSrcNum[cc + 1] == 'R') {
bNeg = true;
cc += 2;
}
ccf++;
}
break;
case 'd':
case 'D':
if (ccf + 1 < spNumFormat.size() &&
((spNumFormat[ccf] == 'D' && spNumFormat[ccf + 1] == 'B') ||
(spNumFormat[ccf] == 'd' && spNumFormat[ccf + 1] == 'b'))) {
if (spNumFormat[ccf] == 'D' && spSrcNum[cc] == ' ') {
cc++;
} else if (spSrcNum[cc] == 'D' && cc + 1 < spSrcNum.size() &&
spSrcNum[cc + 1] == 'B') {
bNeg = true;
cc += 2;
}
ccf++;
}
break;
case '.':
case 'V':
case 'v':
return false;
case '%': {
WideString wsSymbol = pLocale->GetPercentSymbol();
int32_t iSysmbolLen = wsSymbol.GetLength();
if (cc + iSysmbolLen <= spSrcNum.size() &&
wcsncmp(spSrcNum.data() + cc, wsSymbol.c_str(), iSysmbolLen) ==
0) {
cc += iSysmbolLen;
}
bHavePercentSymbol = true;
} break;
case '8': {
while (ccf + 1 < spNumFormat.size() && spNumFormat[ccf + 1] == '8')
ccf++;
while (cc < spSrcNum.size() && FXSYS_IsDecimalDigit(spSrcNum[cc])) {
*wsValue += spSrcNum[cc];
cc++;
}
} break;
case ',': {
if (cc + iGroupLen <= spSrcNum.size() &&
wcsncmp(spSrcNum.data() + cc, wsGroupSymbol.c_str(), iGroupLen) ==
0) {
cc += iGroupLen;
}
break;
}
case '(':
case ')':
if (spSrcNum[cc] == spNumFormat[ccf])
bNeg = true;
else if (spSrcNum[cc] != L' ')
return false;
cc++;
break;
default:
if (spNumFormat[ccf] != spSrcNum[cc])
return false;
cc++;
}
}
if (cc != spSrcNum.size())
return false;
}
if (iExponent || bHavePercentSymbol) {
CFGAS_Decimal decimal = CFGAS_Decimal(wsValue->AsStringView());
if (iExponent) {
decimal = decimal *
CFGAS_Decimal(FXSYS_pow(10, static_cast<float>(iExponent)), 3);
}
if (bHavePercentSymbol)
decimal = decimal / CFGAS_Decimal(100);
*wsValue = decimal.ToWideString();
}
if (bNeg)
wsValue->InsertAtFront(L'-');
return true;
}
FX_DATETIMETYPE CFGAS_StringFormatter::GetDateTimeFormat(
LocaleIface** pLocale,
WideString* wsDatePattern,
WideString* wsTimePattern) const {
*pLocale = nullptr;
WideString wsTempPattern;
FX_LOCALECATEGORY eCategory = FX_LOCALECATEGORY_Unknown;
size_t ccf = 0;
int32_t iFindCategory = 0;
bool bBraceOpen = false;
while (ccf < m_spPattern.size()) {
if (m_spPattern[ccf] == '\'') {
int32_t iCurChar = ccf;
GetLiteralText(m_spPattern, &ccf);
wsTempPattern +=
WideStringView(m_spPattern.data() + iCurChar, ccf - iCurChar + 1);
} else if (!bBraceOpen && iFindCategory != 3 &&
!pdfium::ContainsValue(kConstChars, m_spPattern[ccf])) {
WideString wsCategory(m_spPattern[ccf]);
ccf++;
while (ccf < m_spPattern.size() && m_spPattern[ccf] != '{' &&
m_spPattern[ccf] != '.' && m_spPattern[ccf] != '(') {
if (m_spPattern[ccf] == 'T') {
*wsDatePattern = m_wsPattern.Left(ccf);
*wsTimePattern = m_wsPattern.Right(m_wsPattern.GetLength() - ccf);
wsTimePattern->SetAt(0, ' ');
if (!*pLocale)
*pLocale = m_pLocaleMgr->GetDefLocale();
return FX_DATETIMETYPE_DateTime;
}
wsCategory += m_spPattern[ccf];
ccf++;
}
if (!(iFindCategory & 1) && wsCategory.EqualsASCII("date")) {
iFindCategory |= 1;
eCategory = FX_LOCALECATEGORY_Date;
if (iFindCategory & 2)
iFindCategory = 4;
} else if (!(iFindCategory & 2) && wsCategory.EqualsASCII("time")) {
iFindCategory |= 2;
eCategory = FX_LOCALECATEGORY_Time;
} else if (wsCategory.EqualsASCII("datetime")) {
iFindCategory = 3;
eCategory = FX_LOCALECATEGORY_DateTime;
} else {
continue;
}
while (ccf < m_spPattern.size()) {
if (m_spPattern[ccf] == '{') {
bBraceOpen = true;
break;
}
if (m_spPattern[ccf] == '(') {
ccf++;
WideString wsLCID;
while (ccf < m_spPattern.size() && m_spPattern[ccf] != ')')
wsLCID += m_spPattern[ccf++];
*pLocale = m_pLocaleMgr->GetLocaleByName(wsLCID);
} else if (m_spPattern[ccf] == '.') {
WideString wsSubCategory;
ccf++;
while (ccf < m_spPattern.size() && m_spPattern[ccf] != '(' &&
m_spPattern[ccf] != '{')
wsSubCategory += m_spPattern[ccf++];
uint32_t dwSubHash =
FX_HashCode_GetW(wsSubCategory.AsStringView(), false);
FX_LOCALEDATETIMESUBCATEGORY eSubCategory =
FX_LOCALEDATETIMESUBCATEGORY_Medium;
for (const auto& data : g_FXLocaleDateTimeSubCatData) {
if (data.uHash == dwSubHash) {
eSubCategory = data.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 (m_spPattern[ccf] == '}') {
bBraceOpen = false;
if (!wsTempPattern.IsEmpty()) {
if (eCategory == FX_LOCALECATEGORY_Time)
*wsTimePattern = std::move(wsTempPattern);
else if (eCategory == FX_LOCALECATEGORY_Date)
*wsDatePattern = std::move(wsTempPattern);
else
wsTempPattern.clear();
}
} else {
wsTempPattern += m_spPattern[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 = m_wsPattern;
}
return (FX_DATETIMETYPE)iFindCategory;
}
bool CFGAS_StringFormatter::ParseDateTime(const WideString& wsSrcDateTime,
FX_DATETIMETYPE eDateTimeType,
CFX_DateTime* dtValue) const {
dtValue->Reset();
if (wsSrcDateTime.IsEmpty() || m_spPattern.empty())
return false;
LocaleIface* pLocale = nullptr;
WideString wsDatePattern;
WideString wsTimePattern;
FX_DATETIMETYPE eCategory =
GetDateTimeFormat(&pLocale, &wsDatePattern, &wsTimePattern);
if (!pLocale)
return false;
if (eCategory == FX_DATETIMETYPE_Unknown)
eCategory = eDateTimeType;
size_t iStart = 0;
switch (eCategory) {
case FX_DATETIMETYPE_Date:
return ParseLocaleDate(wsSrcDateTime, wsDatePattern, pLocale, dtValue,
&iStart);
case FX_DATETIMETYPE_Time:
return ParseLocaleTime(wsSrcDateTime, wsTimePattern, pLocale, dtValue,
&iStart);
case FX_DATETIMETYPE_DateTime:
return ParseLocaleDate(wsSrcDateTime, wsTimePattern, pLocale, dtValue,
&iStart) &&
ParseLocaleTime(wsSrcDateTime, wsDatePattern, pLocale, dtValue,
&iStart);
case FX_DATETIMETYPE_TimeDate:
return ParseLocaleTime(wsSrcDateTime, wsTimePattern, pLocale, dtValue,
&iStart) &&
ParseLocaleDate(wsSrcDateTime, wsDatePattern, pLocale, dtValue,
&iStart);
case FX_DATETIMETYPE_Unknown:
default:
return false;
}
}
bool CFGAS_StringFormatter::ParseZero(const WideString& wsSrcText) const {
WideString wsTextFormat = GetTextFormat(L"zero");
pdfium::span<const wchar_t> spSrcText = wsSrcText.AsSpan();
pdfium::span<const wchar_t> spTextFormat = wsTextFormat.AsSpan();
size_t iText = 0;
size_t iPattern = 0;
while (iPattern < spTextFormat.size() && iText < spSrcText.size()) {
if (spTextFormat[iPattern] == '\'') {
WideString wsLiteral = GetLiteralText(spTextFormat, &iPattern);
int32_t iLiteralLen = wsLiteral.GetLength();
if (iText + iLiteralLen > spSrcText.size() ||
wcsncmp(spSrcText.data() + iText, wsLiteral.c_str(), iLiteralLen)) {
return false;
}
iText += iLiteralLen;
iPattern++;
continue;
}
if (spTextFormat[iPattern] != spSrcText[iText])
return false;
iText++;
iPattern++;
}
return iPattern == spTextFormat.size() && iText == spSrcText.size();
}
bool CFGAS_StringFormatter::ParseNull(const WideString& wsSrcText) const {
WideString wsTextFormat = GetTextFormat(L"null");
pdfium::span<const wchar_t> spSrcText = wsSrcText.AsSpan();
pdfium::span<const wchar_t> spTextFormat = wsTextFormat.AsSpan();
size_t iText = 0;
size_t iPattern = 0;
while (iPattern < spTextFormat.size() && iText < spSrcText.size()) {
if (spTextFormat[iPattern] == '\'') {
WideString wsLiteral = GetLiteralText(spTextFormat, &iPattern);
int32_t iLiteralLen = wsLiteral.GetLength();
if (iText + iLiteralLen > spSrcText.size() ||
wcsncmp(spSrcText.data() + iText, wsLiteral.c_str(), iLiteralLen)) {
return false;
}
iText += iLiteralLen;
iPattern++;
continue;
}
if (spTextFormat[iPattern] != spSrcText[iText])
return false;
iText++;
iPattern++;
}
return iPattern == spTextFormat.size() && iText == spSrcText.size();
}
bool CFGAS_StringFormatter::FormatText(const WideString& wsSrcText,
WideString* wsOutput) const {
if (wsSrcText.IsEmpty() || m_spPattern.empty())
return false;
WideString wsTextFormat = GetTextFormat(L"text");
pdfium::span<const wchar_t> spSrcText = wsSrcText.AsSpan();
pdfium::span<const wchar_t> spTextFormat = wsTextFormat.AsSpan();
size_t iText = 0;
size_t iPattern = 0;
while (iPattern < spTextFormat.size()) {
switch (spTextFormat[iPattern]) {
case '\'': {
*wsOutput += GetLiteralText(spTextFormat, &iPattern);
iPattern++;
break;
}
case 'A':
if (iText >= spSrcText.size() || !FXSYS_iswalpha(spSrcText[iText]))
return false;
*wsOutput += spSrcText[iText++];
iPattern++;
break;
case 'X':
if (iText >= spSrcText.size())
return false;
*wsOutput += spSrcText[iText++];
iPattern++;
break;
case 'O':
case '0':
if (iText >= spSrcText.size() ||
(!FXSYS_IsDecimalDigit(spSrcText[iText]) &&
!FXSYS_iswalpha(spSrcText[iText]))) {
return false;
}
*wsOutput += spSrcText[iText++];
iPattern++;
break;
case '9':
if (iText >= spSrcText.size() ||
!FXSYS_IsDecimalDigit(spSrcText[iText]))
return false;
*wsOutput += spSrcText[iText++];
iPattern++;
break;
default:
*wsOutput += spTextFormat[iPattern++];
break;
}
}
return iText == spSrcText.size();
}
bool CFGAS_StringFormatter::FormatNum(const WideString& wsInputNum,
WideString* wsOutput) const {
if (wsInputNum.IsEmpty() || m_spPattern.empty())
return false;
size_t dot_index_f = m_spPattern.size();
uint32_t dwNumStyle = 0;
WideString wsNumFormat;
LocaleIface* pLocale =
GetNumericFormat(&dot_index_f, &dwNumStyle, &wsNumFormat);
if (!pLocale || wsNumFormat.IsEmpty())
return false;
pdfium::span<const wchar_t> spNumFormat = wsNumFormat.AsSpan();
WideString wsSrcNum = wsInputNum;
wsSrcNum.TrimLeft('0');
if (wsSrcNum.IsEmpty() || wsSrcNum[0] == '.')
wsSrcNum.InsertAtFront('0');
CFGAS_Decimal decimal = CFGAS_Decimal(wsSrcNum.AsStringView());
if (dwNumStyle & FX_NUMSTYLE_Percent) {
decimal = decimal * CFGAS_Decimal(100);
wsSrcNum = decimal.ToWideString();
}
int32_t exponent = 0;
if (dwNumStyle & FX_NUMSTYLE_Exponent) {
int fixed_count = 0;
for (size_t ccf = 0; ccf < dot_index_f; ++ccf) {
switch (spNumFormat[ccf]) {
case '\'':
GetLiteralText(spNumFormat, &ccf);
break;
case '9':
case 'z':
case 'Z':
fixed_count++;
break;
}
}
FX_SAFE_UINT32 threshold = 1;
while (fixed_count > 1) {
threshold *= 10;
fixed_count--;
}
if (!threshold.IsValid())
return false;
bool bAdjusted = false;
while (decimal.IsNotZero() &&
fabs(decimal.ToDouble()) < threshold.ValueOrDie()) {
decimal = decimal * CFGAS_Decimal(10);
--exponent;
bAdjusted = true;
}
if (!bAdjusted) {
threshold *= 10;
if (!threshold.IsValid())
return false;
while (decimal.IsNotZero() &&
fabs(decimal.ToDouble()) > threshold.ValueOrDie()) {
decimal = decimal / CFGAS_Decimal(10);
++exponent;
}
}
}
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.ToWideString();
}
if (bTrimTailZeros && scale > 0 && iTreading > 0) {
wsSrcNum.TrimRight(L"0");
wsSrcNum.TrimRight(L".");
}
WideString wsGroupSymbol = pLocale->GetGroupingSymbol();
bool bNeg = false;
if (wsSrcNum[0] == '-') {
bNeg = true;
wsSrcNum.Delete(0, 1);
}
bool bAddNeg = false;
pdfium::span<const wchar_t> spSrcNum = wsSrcNum.AsSpan();
auto dot_index = wsSrcNum.Find('.');
if (!dot_index.has_value())
dot_index = spSrcNum.size();
size_t cc = dot_index.value() - 1;
for (size_t ccf = dot_index_f - 1; ccf < spNumFormat.size(); --ccf) {
switch (spNumFormat[ccf]) {
case '9':
if (cc < spSrcNum.size()) {
if (!FXSYS_IsDecimalDigit(spSrcNum[cc]))
return false;
wsOutput->InsertAtFront(spSrcNum[cc]);
cc--;
} else {
wsOutput->InsertAtFront(L'0');
}
break;
case 'z':
if (cc < spSrcNum.size()) {
if (!FXSYS_IsDecimalDigit(spSrcNum[cc]))
return false;
if (spSrcNum[0] != '0')
wsOutput->InsertAtFront(spSrcNum[cc]);
cc--;
}
break;
case 'Z':
if (cc < spSrcNum.size()) {
if (!FXSYS_IsDecimalDigit(spSrcNum[cc]))
return false;
wsOutput->InsertAtFront(spSrcNum[0] == '0' ? L' ' : spSrcNum[cc]);
cc--;
} else {
wsOutput->InsertAtFront(L' ');
}
break;
case 'S':
if (bNeg) {
*wsOutput = pLocale->GetMinusSymbol() + *wsOutput;
bAddNeg = true;
} else {
wsOutput->InsertAtFront(L' ');
}
break;
case 's':
if (bNeg) {
*wsOutput = pLocale->GetMinusSymbol() + *wsOutput;
bAddNeg = true;
}
break;
case 'E':
*wsOutput = WideString::Format(L"E%+d", exponent) + *wsOutput;
break;
case '$':
*wsOutput = pLocale->GetCurrencySymbol() + *wsOutput;
break;
case 'r':
if (ccf - 1 < spNumFormat.size() && spNumFormat[ccf - 1] == 'c') {
if (bNeg)
*wsOutput = L"CR" + *wsOutput;
ccf--;
bAddNeg = true;
} else {
wsOutput->InsertAtFront('r');
}
break;
case 'R':
if (ccf - 1 < spNumFormat.size() && spNumFormat[ccf - 1] == 'C') {
*wsOutput = bNeg ? L"CR" : L" " + *wsOutput;
ccf--;
bAddNeg = true;
} else {
wsOutput->InsertAtFront('R');
}
break;
case 'b':
if (ccf - 1 < spNumFormat.size() && spNumFormat[ccf - 1] == 'd') {
if (bNeg)
*wsOutput = L"db" + *wsOutput;
ccf--;
bAddNeg = true;
} else {
wsOutput->InsertAtFront('b');
}
break;
case 'B':
if (ccf - 1 < spNumFormat.size() && spNumFormat[ccf - 1] == 'D') {
*wsOutput = bNeg ? L"DB" : L" " + *wsOutput;
ccf--;
bAddNeg = true;
} else {
wsOutput->InsertAtFront('B');
}
break;
case '%':
*wsOutput = pLocale->GetPercentSymbol() + *wsOutput;
break;
case ',':
if (cc < spSrcNum.size())
*wsOutput = wsGroupSymbol + *wsOutput;
break;
case '(':
wsOutput->InsertAtFront(bNeg ? L'(' : L' ');
bAddNeg = true;
break;
case ')':
wsOutput->InsertAtFront(bNeg ? L')' : L' ');
break;
case '\'':
*wsOutput = GetLiteralTextReverse(spNumFormat, &ccf) + *wsOutput;
break;
default:
wsOutput->InsertAtFront(spNumFormat[ccf]);
break;
}
}
if (cc < spSrcNum.size()) {
size_t nPos = dot_index.value() % 3;
wsOutput->clear();
for (size_t i = 0; i < dot_index.value(); i++) {
if (i % 3 == nPos && i != 0)
*wsOutput += wsGroupSymbol;
*wsOutput += wsSrcNum[i];
}
if (dot_index.value() < spSrcNum.size()) {
*wsOutput += pLocale->GetDecimalSymbol();
*wsOutput += wsSrcNum.Right(spSrcNum.size() - dot_index.value() - 1);
}
if (bNeg)
*wsOutput = pLocale->GetMinusSymbol() + *wsOutput;
return true;
}
if (dot_index_f == wsNumFormat.GetLength()) {
if (!bAddNeg && bNeg)
*wsOutput = pLocale->GetMinusSymbol() + *wsOutput;
return true;
}
WideString wsDotSymbol = pLocale->GetDecimalSymbol();
if (spNumFormat[dot_index_f] == 'V') {
*wsOutput += wsDotSymbol;
} else if (spNumFormat[dot_index_f] == '.') {
if (dot_index.value() < spSrcNum.size()) {
*wsOutput += wsDotSymbol;
} else if (dot_index_f + 1 < spNumFormat.size() &&
(spNumFormat[dot_index_f + 1] == '9' ||
spNumFormat[dot_index_f + 1] == 'Z')) {
*wsOutput += wsDotSymbol;
}
}
cc = dot_index.value() + 1;
for (size_t ccf = dot_index_f + 1; ccf < spNumFormat.size(); ++ccf) {
switch (spNumFormat[ccf]) {
case '\'':
*wsOutput += GetLiteralText(spNumFormat, &ccf);
break;
case '9':
if (cc < spSrcNum.size()) {
if (!FXSYS_IsDecimalDigit(spSrcNum[cc]))
return false;
*wsOutput += spSrcNum[cc];
cc++;
} else {
*wsOutput += L'0';
}
break;
case 'z':
if (cc < spSrcNum.size()) {
if (!FXSYS_IsDecimalDigit(spSrcNum[cc]))
return false;
*wsOutput += spSrcNum[cc];
cc++;
}
break;
case 'Z':
if (cc < spSrcNum.size()) {
if (!FXSYS_IsDecimalDigit(spSrcNum[cc]))
return false;
*wsOutput += spSrcNum[cc];
cc++;
} else {
*wsOutput += L'0';
}
break;
case 'E': {
*wsOutput += WideString::Format(L"E%+d", exponent);
break;
}
case '$':
*wsOutput += pLocale->GetCurrencySymbol();
break;
case 'c':
if (ccf + 1 < spNumFormat.size() && spNumFormat[ccf + 1] == 'r') {
if (bNeg)
*wsOutput += L"CR";
ccf++;
bAddNeg = true;
}
break;
case 'C':
if (ccf + 1 < spNumFormat.size() && spNumFormat[ccf + 1] == 'R') {
*wsOutput += bNeg ? L"CR" : L" ";
ccf++;
bAddNeg = true;
}
break;
case 'd':
if (ccf + 1 < spNumFormat.size() && spNumFormat[ccf + 1] == 'b') {
if (bNeg)
*wsOutput += L"db";
ccf++;
bAddNeg = true;
}
break;
case 'D':
if (ccf + 1 < spNumFormat.size() && spNumFormat[ccf + 1] == 'B') {
*wsOutput += bNeg ? L"DB" : L" ";
ccf++;
bAddNeg = true;
}
break;
case '%':
*wsOutput += pLocale->GetPercentSymbol();
break;
case '8':
while (ccf + 1 < spNumFormat.size() && spNumFormat[ccf + 1] == '8')
ccf++;
while (cc < spSrcNum.size() && FXSYS_IsDecimalDigit(spSrcNum[cc])) {
*wsOutput += spSrcNum[cc];
cc++;
}
break;
case ',':
*wsOutput += wsGroupSymbol;
break;
case '(':
*wsOutput += bNeg ? '(' : ' ';
bAddNeg = true;
break;
case ')':
*wsOutput += bNeg ? ')' : ' ';
break;
default:
break;
}
}
if (!bAddNeg && bNeg)
*wsOutput = pLocale->GetMinusSymbol() + *wsOutput;
return true;
}
bool CFGAS_StringFormatter::FormatDateTime(const WideString& wsSrcDateTime,
FX_DATETIMETYPE eDateTimeType,
WideString* wsOutput) const {
if (wsSrcDateTime.IsEmpty() || m_spPattern.empty())
return false;
WideString wsDatePattern;
WideString wsTimePattern;
LocaleIface* pLocale = nullptr;
FX_DATETIMETYPE eCategory =
GetDateTimeFormat(&pLocale, &wsDatePattern, &wsTimePattern);
if (!pLocale)
return false;
if (eCategory == FX_DATETIMETYPE_Unknown) {
if (eDateTimeType == FX_DATETIMETYPE_Time) {
wsTimePattern = std::move(wsDatePattern);
wsDatePattern = WideString();
}
eCategory = eDateTimeType;
if (eCategory == FX_DATETIMETYPE_Unknown)
return false;
}
CFX_DateTime dt;
auto iT = wsSrcDateTime.Find(L"T");
if (!iT.has_value()) {
if (eCategory == FX_DATETIMETYPE_Date &&
FX_DateFromCanonical(wsSrcDateTime.AsSpan(), &dt)) {
*wsOutput = FormatDateTimeInternal(dt, wsDatePattern, wsTimePattern, true,
pLocale);
return true;
}
if (eCategory == FX_DATETIMETYPE_Time &&
FX_TimeFromCanonical(pLocale, wsSrcDateTime.AsSpan(), &dt)) {
*wsOutput = FormatDateTimeInternal(dt, wsDatePattern, wsTimePattern, true,
pLocale);
return true;
}
} else {
pdfium::span<const wchar_t> wsSrcDate =
wsSrcDateTime.AsSpan().first(iT.value());
pdfium::span<const wchar_t> wsSrcTime =
wsSrcDateTime.AsSpan().subspan(iT.value() + 1);
if (wsSrcDate.empty() || wsSrcTime.empty())
return false;
if (FX_DateFromCanonical(wsSrcDate, &dt) &&
FX_TimeFromCanonical(pLocale, wsSrcTime, &dt)) {
*wsOutput = FormatDateTimeInternal(dt, wsDatePattern, wsTimePattern,
eCategory != FX_DATETIMETYPE_TimeDate,
pLocale);
return true;
}
}
return false;
}
bool CFGAS_StringFormatter::FormatZero(WideString* wsOutput) const {
if (m_spPattern.empty())
return false;
WideString wsTextFormat = GetTextFormat(L"zero");
pdfium::span<const wchar_t> spTextFormat = wsTextFormat.AsSpan();
for (size_t iPattern = 0; iPattern < spTextFormat.size(); ++iPattern) {
if (spTextFormat[iPattern] == '\'') {
*wsOutput += GetLiteralText(spTextFormat, &iPattern);
continue;
}
*wsOutput += spTextFormat[iPattern];
}
return true;
}
bool CFGAS_StringFormatter::FormatNull(WideString* wsOutput) const {
if (m_spPattern.empty())
return false;
WideString wsTextFormat = GetTextFormat(L"null");
pdfium::span<const wchar_t> spTextFormat = wsTextFormat.AsSpan();
for (size_t iPattern = 0; iPattern < spTextFormat.size(); ++iPattern) {
if (spTextFormat[iPattern] == '\'') {
*wsOutput += GetLiteralText(spTextFormat, &iPattern);
continue;
}
*wsOutput += spTextFormat[iPattern];
}
return true;
}