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C++ DateInstance::gregorianDateTimeUTC方法代码示例

本文整理汇总了C++中DateInstance::gregorianDateTimeUTC方法的典型用法代码示例。如果您正苦于以下问题：C++ DateInstance::gregorianDateTimeUTC方法的具体用法？C++ DateInstance::gregorianDateTimeUTC怎么用？C++ DateInstance::gregorianDateTimeUTC使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类DateInstance的用法示例。


在下文中一共展示了DateInstance::gregorianDateTimeUTC方法的9个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: dateProtoFuncToISOString

EncodedJSValue JSC_HOST_CALL dateProtoFuncToISOString(ExecState* exec)
{
    JSValue thisValue = exec->thisValue();
    if (!thisValue.inherits(DateInstance::info()))
        return throwVMTypeError(exec);
    
    DateInstance* thisDateObj = asDateInstance(thisValue); 
    if (!std::isfinite(thisDateObj->internalNumber()))
        return throwVMError(exec, createRangeError(exec, ASCIILiteral("Invalid Date")));

    const GregorianDateTime* gregorianDateTime = thisDateObj->gregorianDateTimeUTC(exec);
    if (!gregorianDateTime)
        return JSValue::encode(jsNontrivialString(exec, String(ASCIILiteral("Invalid Date"))));
    // Maximum amount of space we need in buffer: 7 (max. digits in year) + 2 * 5 (2 characters each for month, day, hour, minute, second) + 4 (. + 3 digits for milliseconds)
    // 6 for formatting and one for null termination = 28. We add one extra character to allow us to force null termination.
    char buffer[28];
    // If the year is outside the bounds of 0 and 9999 inclusive we want to use the extended year format (ES 15.9.1.15.1).
    int ms = static_cast<int>(fmod(thisDateObj->internalNumber(), msPerSecond));
    if (ms < 0)
        ms += msPerSecond;

    int charactersWritten;
    if (gregorianDateTime->year() > 9999 || gregorianDateTime->year() < 0)
        charactersWritten = snprintf(buffer, sizeof(buffer), "%+07d-%02d-%02dT%02d:%02d:%02d.%03dZ", gregorianDateTime->year(), gregorianDateTime->month() + 1, gregorianDateTime->monthDay(), gregorianDateTime->hour(), gregorianDateTime->minute(), gregorianDateTime->second(), ms);
    else
        charactersWritten = snprintf(buffer, sizeof(buffer), "%04d-%02d-%02dT%02d:%02d:%02d.%03dZ", gregorianDateTime->year(), gregorianDateTime->month() + 1, gregorianDateTime->monthDay(), gregorianDateTime->hour(), gregorianDateTime->minute(), gregorianDateTime->second(), ms);

    ASSERT(charactersWritten > 0 && static_cast<unsigned>(charactersWritten) < sizeof(buffer));
    if (static_cast<unsigned>(charactersWritten) >= sizeof(buffer))
        return JSValue::encode(jsEmptyString(exec));

    return JSValue::encode(jsNontrivialString(exec, String(buffer, charactersWritten)));
}
开发者ID:chenbk85，项目名称:webkit2-wincairo，代码行数:33，代码来源:DatePrototype.cpp

示例2: dateProtoFuncGetUTCSeconds

EncodedJSValue JSC_HOST_CALL dateProtoFuncGetUTCSeconds(ExecState* exec)
{
    JSValue thisValue = exec->thisValue();
    if (!thisValue.inherits(DateInstance::info()))
        return throwVMTypeError(exec);

    DateInstance* thisDateObj = asDateInstance(thisValue); 

    const GregorianDateTime* gregorianDateTime = thisDateObj->gregorianDateTimeUTC(exec);
    if (!gregorianDateTime)
        return JSValue::encode(jsNaN());
    return JSValue::encode(jsNumber(gregorianDateTime->second()));
}
开发者ID:chenbk85，项目名称:webkit2-wincairo，代码行数:13，代码来源:DatePrototype.cpp

示例3: dateProtoFuncGetUTCFullYear

EncodedJSValue JSC_HOST_CALL dateProtoFuncGetUTCFullYear(ExecState* exec)
{
    JSValue thisValue = exec->hostThisValue();
    if (!thisValue.inherits(&DateInstance::s_info))
        return throwVMTypeError(exec);

    DateInstance* thisDateObj = asDateInstance(thisValue); 

    const GregorianDateTime* gregorianDateTime = thisDateObj->gregorianDateTimeUTC(exec);
    if (!gregorianDateTime)
        return JSValue::encode(jsNaN());
    return JSValue::encode(jsNumber(1900 + gregorianDateTime->year));
}
开发者ID:0omega，项目名称:platform_external_webkit，代码行数:13，代码来源:DatePrototype.cpp

示例4: formateDateInstance

static EncodedJSValue formateDateInstance(ExecState* exec, DateTimeFormat format, bool asUTCVariant)
{
    JSValue thisValue = exec->thisValue();
    if (!thisValue.inherits(DateInstance::info()))
        return throwVMTypeError(exec);

    DateInstance* thisDateObj = asDateInstance(thisValue);

    const GregorianDateTime* gregorianDateTime = asUTCVariant
        ? thisDateObj->gregorianDateTimeUTC(exec)
        : thisDateObj->gregorianDateTime(exec);
    if (!gregorianDateTime)
        return JSValue::encode(jsNontrivialString(exec, String(ASCIILiteral("Invalid Date"))));

    return JSValue::encode(jsNontrivialString(exec, formatDateTime(*gregorianDateTime, format, asUTCVariant)));
}
开发者ID:chenbk85，项目名称:webkit2-wincairo，代码行数:16，代码来源:DatePrototype.cpp

示例5: dateProtoFuncToGMTString

EncodedJSValue JSC_HOST_CALL dateProtoFuncToGMTString(ExecState* exec)
{
    JSValue thisValue = exec->hostThisValue();
    if (!thisValue.inherits(&DateInstance::s_info))
        return throwVMTypeError(exec);

    DateInstance* thisDateObj = asDateInstance(thisValue); 

    const GregorianDateTime* gregorianDateTime = thisDateObj->gregorianDateTimeUTC(exec);
    if (!gregorianDateTime)
        return JSValue::encode(jsNontrivialString(exec, "Invalid Date"));
    DateConversionBuffer date;
    DateConversionBuffer time;
    formatDateUTCVariant(*gregorianDateTime, date);
    formatTimeUTC(*gregorianDateTime, time);
    return JSValue::encode(jsMakeNontrivialString(exec, date, " ", time));
}
开发者ID:0omega，项目名称:platform_external_webkit，代码行数:17，代码来源:DatePrototype.cpp

示例6: dateProtoFuncToISOString

EncodedJSValue JSC_HOST_CALL dateProtoFuncToISOString(ExecState* exec)
{
    JSValue thisValue = exec->hostThisValue();
    if (!thisValue.inherits(&DateInstance::s_info))
        return throwVMTypeError(exec);
    
    DateInstance* thisDateObj = asDateInstance(thisValue); 
    
    const GregorianDateTime* gregorianDateTime = thisDateObj->gregorianDateTimeUTC(exec);
    if (!gregorianDateTime)
        return JSValue::encode(jsNontrivialString(exec, "Invalid Date"));
    // Maximum amount of space we need in buffer: 6 (max. digits in year) + 2 * 5 (2 characters each for month, day, hour, minute, second) + 4 (. + 3 digits for milliseconds)
    // 6 for formatting and one for null termination = 27.  We add one extra character to allow us to force null termination.
    char buffer[28];
    snprintf(buffer, sizeof(buffer) - 1, "%04d-%02d-%02dT%02d:%02d:%02d.%03dZ", 1900 + gregorianDateTime->year, gregorianDateTime->month + 1, gregorianDateTime->monthDay, gregorianDateTime->hour, gregorianDateTime->minute, gregorianDateTime->second, static_cast<int>(fmod(thisDateObj->internalNumber(), 1000)));
    buffer[sizeof(buffer) - 1] = 0;
    return JSValue::encode(jsNontrivialString(exec, buffer));
}
开发者ID:0omega，项目名称:platform_external_webkit，代码行数:18，代码来源:DatePrototype.cpp

示例7: setNewValueFromDateArgs

static EncodedJSValue setNewValueFromDateArgs(ExecState* exec, int numArgsToUse, bool inputIsUTC)
{
    JSValue thisValue = exec->thisValue();
    if (!thisValue.inherits(DateInstance::info()))
        return throwVMTypeError(exec);

    DateInstance* thisDateObj = asDateInstance(thisValue);
    if (!exec->argumentCount()) {
        JSValue result = jsNaN();
        thisDateObj->setInternalValue(exec->vm(), result);
        return JSValue::encode(result);
    }

    VM& vm = exec->vm();
    double milli = thisDateObj->internalNumber();
    double ms = 0; 

    GregorianDateTime gregorianDateTime; 
    if (numArgsToUse == 3 && std::isnan(milli)) 
        msToGregorianDateTime(vm, 0, true, gregorianDateTime);
    else { 
        ms = milli - floor(milli / msPerSecond) * msPerSecond; 
        const GregorianDateTime* other = inputIsUTC 
            ? thisDateObj->gregorianDateTimeUTC(exec)
            : thisDateObj->gregorianDateTime(exec);
        if (!other)
            return JSValue::encode(jsNaN());
        gregorianDateTime.copyFrom(*other);
    }
    
    if (!fillStructuresUsingDateArgs(exec, numArgsToUse, &ms, &gregorianDateTime)) {
        JSValue result = jsNaN();
        thisDateObj->setInternalValue(vm, result);
        return JSValue::encode(result);
    } 
           
    JSValue result = jsNumber(gregorianDateTimeToMS(vm, gregorianDateTime, ms, inputIsUTC));
    thisDateObj->setInternalValue(vm, result);
    return JSValue::encode(result);
}
开发者ID:chenbk85，项目名称:webkit2-wincairo，代码行数:40，代码来源:DatePrototype.cpp

示例8: setNewValueFromTimeArgs

static EncodedJSValue setNewValueFromTimeArgs(ExecState* exec, int numArgsToUse, bool inputIsUTC)
{
    JSValue thisValue = exec->hostThisValue();
    if (!thisValue.inherits(&DateInstance::s_info))
        return throwVMTypeError(exec);

    DateInstance* thisDateObj = asDateInstance(thisValue);
    double milli = thisDateObj->internalNumber();
    
    if (!exec->argumentCount() || isnan(milli)) {
        JSValue result = jsNaN();
        thisDateObj->setInternalValue(exec->globalData(), result);
        return JSValue::encode(result);
    }
     
    double secs = floor(milli / msPerSecond);
    double ms = milli - secs * msPerSecond;

    const GregorianDateTime* other = inputIsUTC 
        ? thisDateObj->gregorianDateTimeUTC(exec)
        : thisDateObj->gregorianDateTime(exec);
    if (!other)
        return JSValue::encode(jsNaN());

    GregorianDateTime gregorianDateTime;
    gregorianDateTime.copyFrom(*other);
    if (!fillStructuresUsingTimeArgs(exec, numArgsToUse, &ms, &gregorianDateTime)) {
        JSValue result = jsNaN();
        thisDateObj->setInternalValue(exec->globalData(), result);
        return JSValue::encode(result);
    } 
    
    JSValue result = jsNumber(gregorianDateTimeToMS(exec, gregorianDateTime, ms, inputIsUTC));
    thisDateObj->setInternalValue(exec->globalData(), result);
    return JSValue::encode(result);
}
开发者ID:0omega，项目名称:platform_external_webkit，代码行数:36，代码来源:DatePrototype.cpp

示例9: dateProtoFuncToISOString

EncodedJSValue JSC_HOST_CALL dateProtoFuncToISOString(ExecState* exec)
{
    JSValue thisValue = exec->hostThisValue();
    if (!thisValue.inherits(&DateInstance::s_info))
        return throwVMTypeError(exec);
    
    DateInstance* thisDateObj = asDateInstance(thisValue); 
    if (!isfinite(thisDateObj->internalNumber()))
        return throwVMError(exec, createRangeError(exec, "Invalid Date"));

    const GregorianDateTime* gregorianDateTime = thisDateObj->gregorianDateTimeUTC(exec);
    if (!gregorianDateTime)
        return JSValue::encode(jsNontrivialString(exec, "Invalid Date"));
    // Maximum amount of space we need in buffer: 7 (max. digits in year) + 2 * 5 (2 characters each for month, day, hour, minute, second) + 4 (. + 3 digits for milliseconds)
    // 6 for formatting and one for null termination = 28. We add one extra character to allow us to force null termination.
    char buffer[29];
    // If the year is outside the bounds of 0 and 9999 inclusive we want to use the extended year format (ES 15.9.1.15.1).
    if (gregorianDateTime->year > 8099 || gregorianDateTime->year < -1900)
        snprintf(buffer, sizeof(buffer) - 1, "%+07d-%02d-%02dT%02d:%02d:%02d.%03dZ", 1900 + gregorianDateTime->year, gregorianDateTime->month + 1, gregorianDateTime->monthDay, gregorianDateTime->hour, gregorianDateTime->minute, gregorianDateTime->second, static_cast<int>(fmod(thisDateObj->internalNumber(), 1000)));
    else
        snprintf(buffer, sizeof(buffer) - 1, "%04d-%02d-%02dT%02d:%02d:%02d.%03dZ", 1900 + gregorianDateTime->year, gregorianDateTime->month + 1, gregorianDateTime->monthDay, gregorianDateTime->hour, gregorianDateTime->minute, gregorianDateTime->second, static_cast<int>(fmod(thisDateObj->internalNumber(), 1000)));
    buffer[sizeof(buffer) - 1] = 0;
    return JSValue::encode(jsNontrivialString(exec, buffer));
}
开发者ID:sysrqb，项目名称:chromium-src，代码行数:24，代码来源:DatePrototype.cpp


注：本文中的DateInstance::gregorianDateTimeUTC方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。