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| author | Lorry Tar Creator <lorry-tar-importer@lorry> | 2015-10-15 09:45:50 +0000 |
|---|---|---|
| committer | Lorry Tar Creator <lorry-tar-importer@lorry> | 2015-10-15 09:45:50 +0000 |
| commit | e15dd966d523731101f70ccf768bba12435a0208 (patch) | |
| tree | ae9cb828a24ded2585a41af3f21411523b47897d /Source/JavaScriptCore/runtime/DateConversion.cpp | |
| download | WebKitGtk-tarball-e15dd966d523731101f70ccf768bba12435a0208.tar.gz | |
webkitgtk-2.10.2webkitgtk-2.10.2
Diffstat (limited to 'Source/JavaScriptCore/runtime/DateConversion.cpp')
| -rw-r--r-- | Source/JavaScriptCore/runtime/DateConversion.cpp | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/runtime/DateConversion.cpp b/Source/JavaScriptCore/runtime/DateConversion.cpp new file mode 100644 index 000000000..0b57f012d --- /dev/null +++ b/Source/JavaScriptCore/runtime/DateConversion.cpp @@ -0,0 +1,127 @@ +/* + * Copyright (C) 2012 Patrick Gansterer <paroga@paroga.com> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. 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. + * + * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS 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 APPLE OR ITS 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 "DateConversion.h" + +#include <wtf/Assertions.h> +#include <wtf/DateMath.h> +#include <wtf/text/StringBuilder.h> +#include <wtf/text/WTFString.h> + +#if OS(WINDOWS) +#include <windows.h> +#endif + +using namespace WTF; + +namespace JSC { + +template<int width> +static inline void appendNumber(StringBuilder& builder, int value) +{ + int fillingZerosCount = width; + if (value < 0) { + builder.append('-'); + value = -value; + --fillingZerosCount; + } + String valueString = String::number(value); + fillingZerosCount -= valueString.length(); + for (int i = 0; i < fillingZerosCount; ++i) + builder.append('0'); + builder.append(valueString); +} + +template<> +void appendNumber<2>(StringBuilder& builder, int value) +{ + ASSERT(0 <= value && value <= 99); + builder.append(static_cast<char>('0' + value / 10)); + builder.append(static_cast<char>('0' + value % 10)); +} + +String formatDateTime(const GregorianDateTime& t, DateTimeFormat format, bool asUTCVariant) +{ + bool appendDate = format & DateTimeFormatDate; + bool appendTime = format & DateTimeFormatTime; + + StringBuilder builder; + + if (appendDate) { + builder.append(weekdayName[(t.weekDay() + 6) % 7]); + + if (asUTCVariant) { + builder.appendLiteral(", "); + appendNumber<2>(builder, t.monthDay()); + builder.append(' '); + builder.append(monthName[t.month()]); + } else { + builder.append(' '); + builder.append(monthName[t.month()]); + builder.append(' '); + appendNumber<2>(builder, t.monthDay()); + } + builder.append(' '); + appendNumber<4>(builder, t.year()); + } + + if (appendDate && appendTime) + builder.append(' '); + + if (appendTime) { + appendNumber<2>(builder, t.hour()); + builder.append(':'); + appendNumber<2>(builder, t.minute()); + builder.append(':'); + appendNumber<2>(builder, t.second()); + builder.appendLiteral(" GMT"); + + if (!asUTCVariant) { + int offset = abs(t.utcOffset()) / 60; + builder.append(t.utcOffset() < 0 ? '-' : '+'); + appendNumber<2>(builder, offset / 60); + appendNumber<2>(builder, offset % 60); + +#if OS(WINDOWS) + TIME_ZONE_INFORMATION timeZoneInformation; + GetTimeZoneInformation(&timeZoneInformation); + const WCHAR* timeZoneName = t.isDST() ? timeZoneInformation.DaylightName : timeZoneInformation.StandardName; +#else + struct tm gtm = t; + char timeZoneName[70]; + strftime(timeZoneName, sizeof(timeZoneName), "%Z", >m); +#endif + if (timeZoneName[0]) { + builder.appendLiteral(" ("); + builder.append(timeZoneName); + builder.append(')'); + } + } + } + + return builder.toString().impl(); +} + +} // namespace JSC |
