本文整理汇总了C#中ParseContext.IsValid方法的典型用法代码示例。如果您正苦于以下问题：C# ParseContext.IsValid方法的具体用法？C# ParseContext.IsValid怎么用？C# ParseContext.IsValid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ParseContext的用法示例。
在下文中一共展示了ParseContext.IsValid方法的1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: ParseDateTime
//.........这里部分代码省略.........
if ( bTimePart )
{
// a 'T' must follow
if ( !context.CheckAndAdvance( 'T') ) return false;
}
}
if ( bTimePart )
{
// check format here
// hour from 0 to 2
if ( !context.ReadDigitAndAdvance( ref hour, 10, 2 ) ) return false;
if ( !context.ReadDigitAndAdvance( ref hour, 1, hour < 20 ? 9 : 4 ) ) return false;
if ( !context.CheckAndAdvance( ':' ) ) return false;
int maxFirstDigit = hour == 24 ? 0 : 5;
int maxSecondDigit = hour == 24 ? 0 : 9;
if ( !context.ReadDigitAndAdvance( ref minute, 10, maxFirstDigit ) ) return false;
if ( !context.ReadDigitAndAdvance( ref minute, 1, maxSecondDigit ) ) return false;
if ( !context.CheckAndAdvance( ':' ) ) return false;
int secondInt = 0;
if ( !context.ReadDigitAndAdvance( ref secondInt, 10, maxFirstDigit ) ) return false;
if ( !context.ReadDigitAndAdvance( ref secondInt, 1, maxSecondDigit ) ) return false;
second = secondInt;
if ( context.CheckAndAdvance( '.' ) )
{
// fraction. do whatever seems fit.
int val = 0;
int digits = 0;
while ( context.ReadDigitAndAdvance( ref val, 1, 9) )
{
val *= 10;
digits += 1;
if ( digits >= 8 ) // precision loss - ignore
break;
}
if ( digits == 0 )
return false;
second += val * Math.Pow( 10.0, -digits - 1 );
// skip any further digits.
while ( context.ReadDigitAndAdvance( ref val, 0, 9) )
;
}
}
// timezone
if ( context.CheckAndAdvance('Z') )
{
// timezone specified, it is UTC.
eTZ = ETZ.UTC;
offsetTZ = 0;
}
else if ( context.Check('+') || context.Check('-' ) )
{
// timezone offset, in hour:minute format
bool bNegative = context.Check('-');
context.Advance();
// do not check the hour part, for those who are obscure.
int temp = 0;
if ( !context.ReadDigitAndAdvance( ref temp, 600, 9 ) ) return false;
if ( !context.ReadDigitAndAdvance( ref temp, 60, 9 ) ) return false;
if ( !context.CheckAndAdvance( ':' ) ) return false;
if ( !context.ReadDigitAndAdvance( ref temp, 10, 5 ) ) return false;
if ( !context.ReadDigitAndAdvance( ref temp, 1, 9 ) ) return false;
eTZ = ETZ.Offset;
offsetTZ = bNegative ? -temp : temp;
}
if ( context.IsValid() )
return false;
// C# specific
if (year <= 0) year = 1;
if (month == 0) month = 1;
bool badjust = false;
if (hour == 24)
{
hour = 0;
badjust = true;
}
if (day == 0) day = 1;
try {
myValue = new System.DateTime(year, month, day, hour, minute, (int)second,
(int)(second * 1000) % 1000);
if (badjust)
myValue.AddDays(1);
}
catch
{
return false;
}
return true;
}