public static string MSUtc(string dateTime)
{
XsdDateTime xdt;
DateTime dt;
try
{
if (!XsdDateTime.TryParse(dateTime, XsdDateTimeFlags.AllXsd | XsdDateTimeFlags.XdrDateTime | XsdDateTimeFlags.XdrTimeNoTz, out xdt))
{
return(string.Empty);
}
dt = xdt.ToZulu();
}
catch (ArgumentException)
{ // Operations with DateTime can throw this exception eventualy
return(string.Empty);
}
char[] text = "----------T00:00:00.000".ToCharArray();
// "YYYY-MM-DDTHH:NN:SS.III"
// 0 1 2
// 01234567890123456789012
switch (xdt.TypeCode)
{
case XmlTypeCode.DateTime:
PrintDate(text, dt);
PrintTime(text, dt);
break;
case XmlTypeCode.Time:
PrintTime(text, dt);
break;
case XmlTypeCode.Date:
PrintDate(text, dt);
break;
case XmlTypeCode.GYearMonth:
PrintYear(text, dt.Year);
ShortToCharArray(text, 5, dt.Month);
break;
case XmlTypeCode.GYear:
PrintYear(text, dt.Year);
break;
case XmlTypeCode.GMonthDay:
ShortToCharArray(text, 5, dt.Month);
ShortToCharArray(text, 8, dt.Day);
break;
case XmlTypeCode.GDay:
ShortToCharArray(text, 8, dt.Day);
break;
case XmlTypeCode.GMonth:
ShortToCharArray(text, 5, dt.Month);
break;
}
return(new string(text));
}
public static string MSFormatDateTime(string dateTime, string format, string lang, bool isDate)
{
try
{
string locale = GetCultureInfo(lang).Name;
XsdDateTime xdt;
if (!XsdDateTime.TryParse(dateTime, XsdDateTimeFlags.AllXsd | XsdDateTimeFlags.XdrDateTime | XsdDateTimeFlags.XdrTimeNoTz, out xdt))
{
return(string.Empty);
}
DateTime dt = xdt.ToZulu();
// If format is the empty string or not specified, use the default format for the given locale
if (format.Length == 0)
{
format = null;
}
return(dt.ToString(format, new CultureInfo(locale)));
}
catch (ArgumentException)
{ // Operations with DateTime can throw this exception eventualy
return(string.Empty);
}
}
///<include file='doc\XmlConvert.uex' path='docs/doc[@for="XmlConvert.ToDateTime3"]/*' />
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public static DateTime ToDateTime(string s, XmlDateTimeSerializationMode dateTimeOption)
{
XsdDateTime xsdDateTime = new XsdDateTime(s, XsdDateTimeFlags.AllXsd);
DateTime dt = (DateTime)xsdDateTime;
switch (dateTimeOption)
{
case XmlDateTimeSerializationMode.Local:
dt = SwitchToLocalTime(dt);
break;
case XmlDateTimeSerializationMode.Utc:
dt = SwitchToUtcTime(dt);
break;
case XmlDateTimeSerializationMode.Unspecified:
dt = new DateTime(dt.Ticks, DateTimeKind.Unspecified);
break;
case XmlDateTimeSerializationMode.RoundtripKind:
break;
default:
throw new ArgumentException(SR.Format(SR.Sch_InvalidDateTimeOption, dateTimeOption, "dateTimeOption"));
}
return(dt);
}
///<include file='doc\XmlConvert.uex' path='docs/doc[@for="XmlConvert.ToString14"]/*' />
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public static string ToString(DateTime value, XmlDateTimeSerializationMode dateTimeOption)
{
switch (dateTimeOption)
{
case XmlDateTimeSerializationMode.Local:
value = SwitchToLocalTime(value);
break;
case XmlDateTimeSerializationMode.Utc:
value = SwitchToUtcTime(value);
break;
case XmlDateTimeSerializationMode.Unspecified:
value = new DateTime(value.Ticks, DateTimeKind.Unspecified);
break;
case XmlDateTimeSerializationMode.RoundtripKind:
break;
default:
throw new ArgumentException(SR.Format(SR.Sch_InvalidDateTimeOption, dateTimeOption, "dateTimeOption"));
}
XsdDateTime xsdDateTime = new XsdDateTime(value, XsdDateTimeFlags.DateTime);
return(xsdDateTime.ToString());
}
public static DateTimeOffset ToDateTimeOffset(string s)
{
if (s == null)
{
throw new ArgumentNullException("s");
}
XsdDateTime xsdDateTime = new XsdDateTime(s, XsdDateTimeFlags.AllXsd);
DateTimeOffset dateTimeOffset = (DateTimeOffset)xsdDateTime;
return(dateTimeOffset);
}
// string ms:format-date(string datetime[, string format[, string language]])
// string ms:format-time(string datetime[, string format[, string language]])
//
// Format xsd:dateTime as a date/time string for a given language using a given format string.
// * Datetime contains a lexical representation of xsd:dateTime. If datetime is not valid, the
// empty string is returned.
// * Format specifies a format string in the same way as for GetDateFormat/GetTimeFormat system
// functions. If format is the empty string or not passed, the default date/time format for the
// given culture is used.
// * Language specifies a culture used for formatting. If language is the empty string or not
// passed, the current culture is used. If language is not recognized, a runtime error happens.
public static string MSFormatDateTime(string dateTime, string format, string lang, bool isDate)
{
try {
int locale = GetCultureInfo(lang).LCID;
XsdDateTime xdt;
if (!XsdDateTime.TryParse(dateTime, XsdDateTimeFlags.AllXsd | XsdDateTimeFlags.XdrDateTime | XsdDateTimeFlags.XdrTimeNoTz, out xdt))
{
return(string.Empty);
}
SystemTime st = new SystemTime(xdt.ToZulu());
StringBuilder sb = new StringBuilder(format.Length + 16);
// If format is the empty string or not specified, use the default format for the given locale
if (format.Length == 0)
{
format = null;
}
if (isDate)
{
int res = GetDateFormat(locale, 0, ref st, format, sb, sb.Capacity);
if (res == 0)
{
res = GetDateFormat(locale, 0, ref st, format, sb, 0);
if (res != 0)
{
sb = new StringBuilder(res);
res = GetDateFormat(locale, 0, ref st, format, sb, sb.Capacity);
}
}
}
else
{
int res = GetTimeFormat(locale, 0, ref st, format, sb, sb.Capacity);
if (res == 0)
{
res = GetTimeFormat(locale, 0, ref st, format, sb, 0);
if (res != 0)
{
sb = new StringBuilder(res);
res = GetTimeFormat(locale, 0, ref st, format, sb, sb.Capacity);
}
}
}
return(sb.ToString());
} catch (ArgumentException) { // Operations with DateTime can throw this exception eventualy
return(string.Empty);
}
}
public static string ToString(DateTimeOffset value)
{
XsdDateTime xsdDateTime = new XsdDateTime(value);
return(xsdDateTime.ToString());
}
