本文整理汇总了C++中TiValue::toNumber方法的典型用法代码示例。如果您正苦于以下问题:C++ TiValue::toNumber方法的具体用法?C++ TiValue::toNumber怎么用?C++ TiValue::toNumber使用的例子?那么恭喜您, 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TiValue
的用法示例。
在下文中一共展示了TiValue::toNumber方法的4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: toNumber
double TiObject::toNumber(TiExcState* exec) const
{
TiValue primitive = toPrimitive(exec, PreferNumber);
if (exec->hadException()) // should be picked up soon in Nodes.cpp
return 0.0;
return primitive.toNumber(exec);
}
示例2: TiValueToNumber
double TiValueToNumber(TiContextRef ctx, TiValueRef value, TiValueRef* exception)
{
TiExcState* exec = toJS(ctx);
APIEntryShim entryShim(exec);
TiValue jsValue = toJS(exec, value);
double number = jsValue.toNumber(exec);
if (exec->hadException()) {
if (exception)
*exception = toRef(exec, exec->exception());
exec->clearException();
number = NaN;
}
return number;
}
示例3: constructDate
// ECMA 15.9.3
TiObject* constructDate(TiExcState* exec, const ArgList& args)
{
int numArgs = args.size();
double value;
if (numArgs == 0) // new Date() ECMA 15.9.3.3
value = jsCurrentTime();
else if (numArgs == 1) {
if (args.at(0).inherits(&DateInstance::info))
value = asDateInstance(args.at(0))->internalNumber();
else {
TiValue primitive = args.at(0).toPrimitive(exec);
if (primitive.isString())
value = parseDate(exec, primitive.getString(exec));
else
value = primitive.toNumber(exec);
}
} else {
if (isnan(args.at(0).toNumber(exec))
|| isnan(args.at(1).toNumber(exec))
|| (numArgs >= 3 && isnan(args.at(2).toNumber(exec)))
|| (numArgs >= 4 && isnan(args.at(3).toNumber(exec)))
|| (numArgs >= 5 && isnan(args.at(4).toNumber(exec)))
|| (numArgs >= 6 && isnan(args.at(5).toNumber(exec)))
|| (numArgs >= 7 && isnan(args.at(6).toNumber(exec))))
value = NaN;
else {
GregorianDateTime t;
int year = args.at(0).toInt32(exec);
t.year = (year >= 0 && year <= 99) ? year : year - 1900;
t.month = args.at(1).toInt32(exec);
t.monthDay = (numArgs >= 3) ? args.at(2).toInt32(exec) : 1;
t.hour = args.at(3).toInt32(exec);
t.minute = args.at(4).toInt32(exec);
t.second = args.at(5).toInt32(exec);
t.isDST = -1;
double ms = (numArgs >= 7) ? args.at(6).toNumber(exec) : 0;
value = gregorianDateTimeToMS(exec, t, ms, false);
}
}
return new (exec) DateInstance(exec, value);
}
示例4: getPrimitiveNumber
bool TiObject::getPrimitiveNumber(TiExcState* exec, double& number, TiValue& result)
{
result = defaultValue(exec, PreferNumber);
number = result.toNumber(exec);
return !result.isString();
}