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/*
* Copyright (C) 2012 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "LocaleWin.h"
#include "DateComponents.h"
#include "DateTimeFormat.h"
#include "LocalizedStrings.h"
#include <limits>
#include <windows.h>
#include <wtf/DateMath.h>
#include <wtf/HashMap.h>
#include <wtf/Language.h>
#include <wtf/text/StringBuilder.h>
#include <wtf/text/StringHash.h>
#include <wtf/text/win/WCharStringExtras.h>
namespace WebCore {
typedef HashMap<String, LCID, ASCIICaseInsensitiveHash> NameToLCIDMap;
static String extractLanguageCode(const String& locale)
{
size_t dashPosition = locale.find('-');
if (dashPosition == notFound)
return locale;
return locale.left(dashPosition);
}
static LCID LCIDFromLocaleInternal(LCID userDefaultLCID, const String& userDefaultLanguageCode, const String& locale)
{
if (equalIgnoringASCIICase(extractLanguageCode(locale), userDefaultLanguageCode))
return userDefaultLCID;
return LocaleNameToLCID(locale.wideCharacters().data(), 0);
}
static LCID LCIDFromLocale(const AtomString& locale)
{
// According to MSDN, 9 is enough for LOCALE_SISO639LANGNAME.
const size_t languageCodeBufferSize = 9;
WCHAR lowercaseLanguageCode[languageCodeBufferSize];
::GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SISO639LANGNAME, lowercaseLanguageCode, languageCodeBufferSize);
String userDefaultLanguageCode(lowercaseLanguageCode);
LCID lcid = LCIDFromLocaleInternal(LOCALE_USER_DEFAULT, userDefaultLanguageCode, String(locale));
if (!lcid)
lcid = LCIDFromLocaleInternal(LOCALE_USER_DEFAULT, userDefaultLanguageCode, defaultLanguage());
return lcid;
}
std::unique_ptr<Locale> Locale::create(const AtomString& locale)
{
return makeUnique<LocaleWin>(LCIDFromLocale(locale));
}
inline LocaleWin::LocaleWin(LCID lcid)
: m_lcid(lcid)
, m_didInitializeNumberData(false)
{
}
LocaleWin::~LocaleWin() = default;
String LocaleWin::getLocaleInfoString(LCTYPE type)
{
int bufferSizeWithNUL = ::GetLocaleInfo(m_lcid, type, 0, 0);
if (bufferSizeWithNUL <= 0)
return String();
Vector<UChar> buffer(bufferSizeWithNUL);
::GetLocaleInfo(m_lcid, type, wcharFrom(buffer.data()), bufferSizeWithNUL);
buffer.shrink(bufferSizeWithNUL - 1);
return String::adopt(WTFMove(buffer));
}
void LocaleWin::getLocaleInfo(LCTYPE type, DWORD& result)
{
::GetLocaleInfo(m_lcid, type | LOCALE_RETURN_NUMBER, reinterpret_cast<LPWSTR>(&result), sizeof(DWORD) / sizeof(TCHAR));
}
void LocaleWin::ensureShortMonthLabels()
{
#if ENABLE(DATE_AND_TIME_INPUT_TYPES)
if (!m_shortMonthLabels.isEmpty())
return;
const LCTYPE types[12] = {
LOCALE_SABBREVMONTHNAME1,
LOCALE_SABBREVMONTHNAME2,
LOCALE_SABBREVMONTHNAME3,
LOCALE_SABBREVMONTHNAME4,
LOCALE_SABBREVMONTHNAME5,
LOCALE_SABBREVMONTHNAME6,
LOCALE_SABBREVMONTHNAME7,
LOCALE_SABBREVMONTHNAME8,
LOCALE_SABBREVMONTHNAME9,
LOCALE_SABBREVMONTHNAME10,
LOCALE_SABBREVMONTHNAME11,
LOCALE_SABBREVMONTHNAME12,
};
m_shortMonthLabels.reserveCapacity(WTF_ARRAY_LENGTH(types));
for (unsigned i = 0; i < WTF_ARRAY_LENGTH(types); ++i) {
m_shortMonthLabels.append(getLocaleInfoString(types[i]));
if (m_shortMonthLabels.last().isEmpty()) {
m_shortMonthLabels.shrink(0);
m_shortMonthLabels.reserveCapacity(WTF_ARRAY_LENGTH(WTF::monthName));
for (unsigned m = 0; m < WTF_ARRAY_LENGTH(WTF::monthName); ++m)
m_shortMonthLabels.append(WTF::monthName[m]);
return;
}
}
#endif
}
// -------------------------------- Tokenized date format
#if ENABLE(DATE_AND_TIME_INPUT_TYPES)
static unsigned countContinuousLetters(const String& format, unsigned index)
{
unsigned count = 1;
UChar reference = format[index];
while (index + 1 < format.length()) {
if (format[++index] != reference)
break;
++count;
}
return count;
}
static void commitLiteralToken(StringBuilder& literalBuffer, StringBuilder& converted)
{
if (literalBuffer.length() <= 0)
return;
DateTimeFormat::quoteAndAppendLiteral(literalBuffer.toString(), converted);
literalBuffer.clear();
}
// This function converts Windows date/time pattern format [1][2] into LDML date
// format pattern [3].
//
// i.e.
// We set h, H, m, s, d, dd, M, or y as is. They have same meaning in both of
// Windows and LDML.
// We need to convert the following patterns:
// t -> a
// tt -> a
// ddd -> EEE
// dddd -> EEEE
// g -> G
// gg -> ignore
//
// [1] http://msdn.microsoft.com/en-us/library/dd317787(v=vs.85).aspx
// [2] http://msdn.microsoft.com/en-us/library/dd318148(v=vs.85).aspx
// [3] LDML http://unicode.org/reports/tr35/tr35-6.html#Date_Format_Patterns
static String convertWindowsDateTimeFormat(const String& format)
{
StringBuilder converted;
StringBuilder literalBuffer;
bool inQuote = false;
bool lastQuoteCanBeLiteral = false;
for (unsigned i = 0; i < format.length(); ++i) {
UChar ch = format[i];
if (inQuote) {
if (ch == '\'') {
inQuote = false;
ASSERT(i);
if (lastQuoteCanBeLiteral && format[i - 1] == '\'') {
literalBuffer.append('\'');
lastQuoteCanBeLiteral = false;
} else
lastQuoteCanBeLiteral = true;
} else
literalBuffer.append(ch);
continue;
}
if (ch == '\'') {
inQuote = true;
if (lastQuoteCanBeLiteral && i > 0 && format[i - 1] == '\'') {
literalBuffer.append(ch);
lastQuoteCanBeLiteral = false;
} else
lastQuoteCanBeLiteral = true;
} else if (isASCIIAlpha(ch)) {
commitLiteralToken(literalBuffer, converted);
unsigned symbolStart = i;
unsigned count = countContinuousLetters(format, i);
i += count - 1;
if (ch == 'h' || ch == 'H' || ch == 'm' || ch == 's' || ch == 'M' || ch == 'y')
converted.append(format, symbolStart, count);
else if (ch == 'd') {
if (count <= 2)
converted.append(format, symbolStart, count);
else if (count == 3)
converted.append("EEE");
else
converted.append("EEEE");
} else if (ch == 'g') {
if (count == 1)
converted.append('G');
else {
// gg means imperial era in Windows.
// Just ignore it.
}
} else if (ch == 't')
converted.append('a');
else
literalBuffer.append(format, symbolStart, count);
} else
literalBuffer.append(ch);
}
commitLiteralToken(literalBuffer, converted);
return converted.toString();
}
#endif
void LocaleWin::ensureMonthLabels()
{
#if ENABLE(DATE_AND_TIME_INPUT_TYPES)
if (!m_monthLabels.isEmpty())
return;
const LCTYPE types[12] = {
LOCALE_SMONTHNAME1,
LOCALE_SMONTHNAME2,
LOCALE_SMONTHNAME3,
LOCALE_SMONTHNAME4,
LOCALE_SMONTHNAME5,
LOCALE_SMONTHNAME6,
LOCALE_SMONTHNAME7,
LOCALE_SMONTHNAME8,
LOCALE_SMONTHNAME9,
LOCALE_SMONTHNAME10,
LOCALE_SMONTHNAME11,
LOCALE_SMONTHNAME12,
};
m_monthLabels.reserveCapacity(WTF_ARRAY_LENGTH(types));
for (unsigned i = 0; i < WTF_ARRAY_LENGTH(types); ++i) {
m_monthLabels.append(getLocaleInfoString(types[i]));
if (m_monthLabels.last().isEmpty()) {
m_monthLabels.shrink(0);
m_monthLabels.reserveCapacity(WTF_ARRAY_LENGTH(WTF::monthFullName));
for (unsigned m = 0; m < WTF_ARRAY_LENGTH(WTF::monthFullName); ++m)
m_monthLabels.append(WTF::monthFullName[m]);
return;
}
}
#endif
}
#if ENABLE(DATE_AND_TIME_INPUT_TYPES)
const Vector<String>& LocaleWin::monthLabels()
{
ensureMonthLabels();
return m_monthLabels;
}
String LocaleWin::dateFormat()
{
if (m_dateFormat.isNull())
m_dateFormat = convertWindowsDateTimeFormat(getLocaleInfoString(LOCALE_SSHORTDATE));
return m_dateFormat;
}
String LocaleWin::dateFormat(const String& windowsFormat)
{
return convertWindowsDateTimeFormat(windowsFormat);
}
String LocaleWin::monthFormat()
{
if (m_monthFormat.isNull())
m_monthFormat = convertWindowsDateTimeFormat(getLocaleInfoString(LOCALE_SYEARMONTH));
return m_monthFormat;
}
String LocaleWin::shortMonthFormat()
{
if (m_shortMonthFormat.isNull())
m_shortMonthFormat = convertWindowsDateTimeFormat(getLocaleInfoString(LOCALE_SYEARMONTH)).replace("MMMM", "MMM");
return m_shortMonthFormat;
}
String LocaleWin::timeFormat()
{
if (m_timeFormatWithSeconds.isNull())
m_timeFormatWithSeconds = convertWindowsDateTimeFormat(getLocaleInfoString(LOCALE_STIMEFORMAT));
return m_timeFormatWithSeconds;
}
String LocaleWin::shortTimeFormat()
{
if (!m_timeFormatWithoutSeconds.isNull())
return m_timeFormatWithoutSeconds;
String format = getLocaleInfoString(LOCALE_SSHORTTIME);
// Vista or older Windows doesn't support LOCALE_SSHORTTIME.
if (format.isEmpty()) {
format = getLocaleInfoString(LOCALE_STIMEFORMAT);
StringBuilder builder;
builder.append(getLocaleInfoString(LOCALE_STIME));
builder.append("ss");
size_t pos = format.reverseFind(builder.toString());
if (pos != notFound)
format.remove(pos, builder.length());
}
m_timeFormatWithoutSeconds = convertWindowsDateTimeFormat(format);
return m_timeFormatWithoutSeconds;
}
String LocaleWin::dateTimeFormatWithSeconds()
{
if (!m_dateTimeFormatWithSeconds.isNull())
return m_dateTimeFormatWithSeconds;
StringBuilder builder;
builder.append(dateFormat());
builder.append(' ');
builder.append(timeFormat());
m_dateTimeFormatWithSeconds = builder.toString();
return m_dateTimeFormatWithSeconds;
}
String LocaleWin::dateTimeFormatWithoutSeconds()
{
if (!m_dateTimeFormatWithoutSeconds.isNull())
return m_dateTimeFormatWithoutSeconds;
StringBuilder builder;
builder.append(dateFormat());
builder.append(' ');
builder.append(shortTimeFormat());
m_dateTimeFormatWithoutSeconds = builder.toString();
return m_dateTimeFormatWithoutSeconds;
}
const Vector<String>& LocaleWin::shortMonthLabels()
{
ensureShortMonthLabels();
return m_shortMonthLabels;
}
const Vector<String>& LocaleWin::standAloneMonthLabels()
{
// Windows doesn't provide a way to get stand-alone month labels.
return monthLabels();
}
const Vector<String>& LocaleWin::shortStandAloneMonthLabels()
{
// Windows doesn't provide a way to get stand-alone month labels.
return shortMonthLabels();
}
const Vector<String>& LocaleWin::timeAMPMLabels()
{
if (m_timeAMPMLabels.isEmpty()) {
m_timeAMPMLabels.append(getLocaleInfoString(LOCALE_S1159));
m_timeAMPMLabels.append(getLocaleInfoString(LOCALE_S2359));
}
return m_timeAMPMLabels;
}
#endif
void LocaleWin::initializeLocaleData()
{
if (m_didInitializeNumberData)
return;
Vector<String, DecimalSymbolsSize> symbols;
enum DigitSubstitution {
DigitSubstitutionContext = 0,
DigitSubstitution0to9 = 1,
DigitSubstitutionNative = 2,
};
DWORD digitSubstitution = DigitSubstitution0to9;
getLocaleInfo(LOCALE_IDIGITSUBSTITUTION, digitSubstitution);
if (digitSubstitution == DigitSubstitution0to9) {
symbols.append("0");
symbols.append("1");
symbols.append("2");
symbols.append("3");
symbols.append("4");
symbols.append("5");
symbols.append("6");
symbols.append("7");
symbols.append("8");
symbols.append("9");
} else {
String digits = getLocaleInfoString(LOCALE_SNATIVEDIGITS);
ASSERT(digits.length() >= 10);
for (unsigned i = 0; i < 10; ++i)
symbols.append(digits.substring(i, 1));
}
ASSERT(symbols.size() == DecimalSeparatorIndex);
symbols.append(getLocaleInfoString(LOCALE_SDECIMAL));
ASSERT(symbols.size() == GroupSeparatorIndex);
symbols.append(getLocaleInfoString(LOCALE_STHOUSAND));
ASSERT(symbols.size() == DecimalSymbolsSize);
String negativeSign = getLocaleInfoString(LOCALE_SNEGATIVESIGN);
enum NegativeFormat {
NegativeFormatParenthesis = 0,
NegativeFormatSignPrefix = 1,
NegativeFormatSignSpacePrefix = 2,
NegativeFormatSignSuffix = 3,
NegativeFormatSpaceSignSuffix = 4,
};
DWORD negativeFormat = NegativeFormatSignPrefix;
getLocaleInfo(LOCALE_INEGNUMBER, negativeFormat);
String negativePrefix = emptyString();
String negativeSuffix = emptyString();
switch (negativeFormat) {
case NegativeFormatParenthesis:
negativePrefix = "(";
negativeSuffix = ")";
break;
case NegativeFormatSignSpacePrefix:
negativePrefix = negativeSign + " ";
break;
case NegativeFormatSignSuffix:
negativeSuffix = negativeSign;
break;
case NegativeFormatSpaceSignSuffix:
negativeSuffix = " " + negativeSign;
break;
case NegativeFormatSignPrefix:
FALLTHROUGH;
default:
negativePrefix = negativeSign;
break;
}
m_didInitializeNumberData = true;
setLocaleData(symbols, emptyString(), emptyString(), negativePrefix, negativeSuffix);
}
}