/// <summary>
/// Parses RFC 2822 date-time from the specified value.
/// </summary>
/// <param name="value">RFC 2822 date-time string value.</param>
/// <returns>Returns parsed datetime value.</returns>
/// <exception cref="ArgumentNullException">Is raised when <b>value</b> is null.</exception>
/// <exception cref="ArgumentException">Is raised when any of the arguments has invalid value.</exception>
public static DateTime ParseRfc2822DateTime(string value)
{
if (value == null)
{
throw new ArgumentNullException(value);
}
//Try parse dt
DateTime parsedTime;
if (DateTime.TryParse(value, out parsedTime))
{
return parsedTime;
}
/* RFC 2822 3.
* date-time = [ day-of-week "," ] date FWS time [CFWS]
* day-of-week = ([FWS] day-name) / obs-day-of-week
* day-name = "Mon" / "Tue" / "Wed" / "Thu" / "Fri" / "Sat" / "Sun"
* date = day month year
* year = 4*DIGIT / obs-year
* month = (FWS month-name FWS) / obs-month
* month-name = "Jan" / "Feb" / "Mar" / "Apr" / "May" / "Jun" / "Jul" / "Aug" / "Sep" / "Oct" / "Nov" / "Dec"
* day = ([FWS] 1*2DIGIT) / obs-day
* time = time-of-day FWS zone
* time-of-day = hour ":" minute [ ":" second ]
* hour = 2DIGIT / obs-hour
* minute = 2DIGIT / obs-minute
* second = 2DIGIT / obs-second
* zone = (( "+" / "-" ) 4DIGIT) / obs-zone
*
* The date and time-of-day SHOULD express local time.
*/
try
{
MIME_Reader r = new MIME_Reader(value);
string v = r.Atom();
// Skip optional [ day-of-week "," ] and read "day".
if (v.Length == 3)
{
r.Char(true);
v = r.Atom();
}
int day = Convert.ToInt32(v);
v = r.Atom().ToLower();
int month = 1;
if (v == "jan")
{
month = 1;
}
else if (v == "feb")
{
month = 2;
}
else if (v == "mar")
{
month = 3;
}
else if (v == "apr")
{
month = 4;
}
else if (v == "may")
{
month = 5;
}
else if (v == "jun")
{
month = 6;
}
else if (v == "jul")
{
month = 7;
}
else if (v == "aug")
{
month = 8;
}
else if (v == "sep")
{
month = 9;
}
else if (v == "oct")
{
month = 10;
}
else if (v == "nov")
{
month = 11;
}
else if (v == "dec")
{
month = 12;
}
else
{
throw new ArgumentException("Invalid month-name value '" + value + "'.");
}
int year = Convert.ToInt32(r.Atom());
int hour = Convert.ToInt32(r.Atom());
r.Char(true);
int minute = Convert.ToInt32(r.Atom());
int second = 0;
// We have optional "second".
if (r.Peek(true) == ':')
{
r.Char(true);
second = Convert.ToInt32(r.Atom());
}
int timeZoneMinutes = 0;
v = r.Atom();
// We have RFC 2822 date. For example: +2000.
if (v[0] == '+' || v[0] == '-')
{
if (v[0] == '+')
{
timeZoneMinutes = (Convert.ToInt32(v.Substring(1, 2))*60 +
Convert.ToInt32(v.Substring(3, 2)));
}
else
{
timeZoneMinutes =
-(Convert.ToInt32(v.Substring(1, 2))*60 + Convert.ToInt32(v.Substring(3, 2)));
}
}
// We have RFC 822 date with abbrevated time zone name. For example: GMT.
else
{
v = v.ToUpper();
#region time zones
// Alpha Time Zone (military).
if (v == "A")
{
timeZoneMinutes = ((01*60) + 00);
}
// Australian Central Daylight Time.
else if (v == "ACDT")
{
timeZoneMinutes = ((10*60) + 30);
}
// Australian Central Standard Time.
else if (v == "ACST")
{
timeZoneMinutes = ((09*60) + 30);
}
// Atlantic Daylight Time.
else if (v == "ADT")
{
timeZoneMinutes = -((03*60) + 00);
}
// Australian Eastern Daylight Time.
else if (v == "AEDT")
{
timeZoneMinutes = ((11*60) + 00);
}
// Australian Eastern Standard Time.
else if (v == "AEST")
{
timeZoneMinutes = ((10*60) + 00);
}
// Alaska Daylight Time.
else if (v == "AKDT")
{
timeZoneMinutes = -((08*60) + 00);
}
// Alaska Standard Time.
else if (v == "AKST")
{
timeZoneMinutes = -((09*60) + 00);
}
// Atlantic Standard Time.
else if (v == "AST")
{
timeZoneMinutes = -((04*60) + 00);
}
// Australian Western Daylight Time.
else if (v == "AWDT")
{
timeZoneMinutes = ((09*60) + 00);
}
// Australian Western Standard Time.
else if (v == "AWST")
{
timeZoneMinutes = ((08*60) + 00);
}
// Bravo Time Zone (millitary).
else if (v == "B")
{
timeZoneMinutes = ((02*60) + 00);
}
// British Summer Time.
else if (v == "BST")
{
timeZoneMinutes = ((01*60) + 00);
}
// Charlie Time Zone (millitary).
else if (v == "C")
{
timeZoneMinutes = ((03*60) + 00);
}
// Central Daylight Time.
else if (v == "CDT")
{
timeZoneMinutes = -((05*60) + 00);
}
// Central European Daylight Time.
else if (v == "CEDT")
{
timeZoneMinutes = ((02*60) + 00);
}
// Central European Summer Time.
else if (v == "CEST")
{
timeZoneMinutes = ((02*60) + 00);
}
// Central European Time.
else if (v == "CET")
{
timeZoneMinutes = ((01*60) + 00);
}
// Central Standard Time.
else if (v == "CST")
{
timeZoneMinutes = -((06*60) + 00);
}
// Christmas Island Time.
else if (v == "CXT")
{
timeZoneMinutes = ((01*60) + 00);
}
// Delta Time Zone (military).
else if (v == "D")
{
timeZoneMinutes = ((04*60) + 00);
}
// Echo Time Zone (military).
else if (v == "E")
{
timeZoneMinutes = ((05*60) + 00);
}
// Eastern Daylight Time.
else if (v == "EDT")
{
timeZoneMinutes = -((04*60) + 00);
}
// Eastern European Daylight Time.
else if (v == "EEDT")
{
timeZoneMinutes = ((03*60) + 00);
}
// Eastern European Summer Time.
else if (v == "EEST")
{
timeZoneMinutes = ((03*60) + 00);
}
// Eastern European Time.
else if (v == "EET")
{
timeZoneMinutes = ((02*60) + 00);
}
// Eastern Standard Time.
else if (v == "EST")
{
timeZoneMinutes = -((05*60) + 00);
}
// Foxtrot Time Zone (military).
else if (v == "F")
{
timeZoneMinutes = (06*60 + 00);
}
// Golf Time Zone (military).
else if (v == "G")
{
timeZoneMinutes = ((07*60) + 00);
}
// Greenwich Mean Time.
else if (v == "GMT")
{
timeZoneMinutes = 0000;
}
// Hotel Time Zone (military).
else if (v == "H")
{
timeZoneMinutes = ((08*60) + 00);
}
// India Time Zone (military).
else if (v == "I")
{
timeZoneMinutes = ((09*60) + 00);
}
// Irish Summer Time.
else if (v == "IST")
{
timeZoneMinutes = ((01*60) + 00);
}
// Kilo Time Zone (millitary).
else if (v == "K")
{
timeZoneMinutes = ((10*60) + 00);
}
// Lima Time Zone (millitary).
else if (v == "L")
{
timeZoneMinutes = ((11*60) + 00);
}
// Mike Time Zone (millitary).
else if (v == "M")
{
timeZoneMinutes = ((12*60) + 00);
}
// Mountain Daylight Time.
else if (v == "MDT")
{
timeZoneMinutes = -((06*60) + 00);
}
// Mountain Standard Time.
else if (v == "MST")
{
timeZoneMinutes = -((07*60) + 00);
}
// November Time Zone (military).
else if (v == "N")
{
timeZoneMinutes = -((01*60) + 00);
}
// Newfoundland Daylight Time.
else if (v == "NDT")
{
timeZoneMinutes = -((02*60) + 30);
}
// Norfolk (Island) Time.
else if (v == "NFT")
{
timeZoneMinutes = ((11*60) + 30);
}
// Newfoundland Standard Time.
else if (v == "NST")
{
timeZoneMinutes = -((03*60) + 30);
}
// Oscar Time Zone (military).
else if (v == "O")
{
timeZoneMinutes = -((02*60) + 00);
}
// Papa Time Zone (military).
else if (v == "P")
{
timeZoneMinutes = -((03*60) + 00);
}
// Pacific Daylight Time.
else if (v == "PDT")
{
timeZoneMinutes = -((07*60) + 00);
}
// Pacific Standard Time.
else if (v == "PST")
{
timeZoneMinutes = -((08*60) + 00);
}
// Quebec Time Zone (military).
else if (v == "Q")
{
timeZoneMinutes = -((04*60) + 00);
}
// Romeo Time Zone (military).
else if (v == "R")
{
timeZoneMinutes = -((05*60) + 00);
}
// Sierra Time Zone (military).
else if (v == "S")
{
timeZoneMinutes = -((06*60) + 00);
}
// Tango Time Zone (military).
else if (v == "T")
{
timeZoneMinutes = -((07*60) + 00);
}
// Uniform Time Zone (military).
else if (v == "")
{
timeZoneMinutes = -((08*60) + 00);
}
// Coordinated Universal Time.
else if (v == "UTC")
{
timeZoneMinutes = 0000;
}
// Victor Time Zone (militray).
else if (v == "V")
{
timeZoneMinutes = -((09*60) + 00);
}
// Whiskey Time Zone (military).
else if (v == "W")
{
timeZoneMinutes = -((10*60) + 00);
}
// Western European Daylight Time.
else if (v == "WEDT")
{
timeZoneMinutes = ((01*60) + 00);
}
// Western European Summer Time.
else if (v == "WEST")
{
timeZoneMinutes = ((01*60) + 00);
}
// Western European Time.
else if (v == "WET")
{
timeZoneMinutes = 0000;
}
// Western Standard Time.
else if (v == "WST")
{
timeZoneMinutes = ((08*60) + 00);
}
// X-ray Time Zone (military).
else if (v == "X")
{
timeZoneMinutes = -((11*60) + 00);
}
// Yankee Time Zone (military).
else if (v == "Y")
{
timeZoneMinutes = -((12*60) + 00);
}
// Zulu Time Zone (military).
else if (v == "Z")
{
timeZoneMinutes = 0000;
}
#endregion
}
// Convert time to UTC and then back to local.
DateTime timeUTC =
new DateTime(year, month, day, hour, minute, second).AddMinutes(-(timeZoneMinutes));
return
new DateTime(timeUTC.Year,
timeUTC.Month,
timeUTC.Day,
timeUTC.Hour,
timeUTC.Minute,
timeUTC.Second,
DateTimeKind.Utc).ToLocalTime();
}
catch (Exception x)
{
string dymmy = x.Message;
throw new ArgumentException("Argumnet 'value' value '" + value +
"' is not valid RFC 822/2822 date-time string.");
}
}
/// <summary>
/// Parses parameters from the specified reader.
/// </summary>
/// <param name="reader">MIME reader.</param>
/// <exception cref="ArgumentNullException">Is raised when <b>reader</b> is null reference.</exception>
public void Parse(MIME_Reader reader)
{
if (reader == null)
{
throw new ArgumentNullException("reader");
}
/* RFC 2231.
*/
while (true)
{
// End os stream reached.
if (reader.Peek(true) == -1)
{
break;
}
// Next parameter start, just eat that char.
else if (reader.Peek(true) == ';')
{
reader.Char(false);
}
else
{
string name = reader.Token();
if (name == null)
{
break;
}
string value = "";
// Parameter value specified.
if (reader.Peek(true) == '=')
{
reader.Char(false);
string v = reader.Word();
// Normally value may not be null, but following case: paramName=EOS.
if (v != null)
{
value = v;
}
}
// RFC 2231 encoded/splitted parameter.
if (name.IndexOf('*') > -1)
{
string[] name_x_no_x = name.Split('*');
name = name_x_no_x[0];
Encoding charset = Encoding.ASCII;
StringBuilder valueBuffer = new StringBuilder();
// We must have charset'language'value.
// Examples:
// URL*=utf-8''test;
// URL*0*=utf-8''"test";
if ((name_x_no_x.Length == 2 && name_x_no_x[1] == "") || name_x_no_x.Length == 3)
{
string[] charset_language_value = value.Split('\'');
charset = EncodingTools.GetEncodingByCodepageName(charset_language_value[0]) ?? Encoding.ASCII;
valueBuffer.Append(charset_language_value[2]);
}
// No encoding, probably just splitted ASCII value.
// Example:
// URL*0="value1";
// URL*1="value2";
else
{
valueBuffer.Append(value);
}
// Read while value continues.
while (true)
{
// End os stream reached.
if (reader.Peek(true) == -1)
{
break;
}
// Next parameter start, just eat that char.
else if (reader.Peek(true) == ';')
{
reader.Char(false);
}
else
{
if (!reader.StartsWith(name + "*"))
{
break;
}
reader.Token();
// Parameter value specified.
if (reader.Peek(true) == '=')
{
reader.Char(false);
string v = reader.Word();
// Normally value may not be null, but following case: paramName=EOS.
if (v != null)
{
valueBuffer.Append(v);
}
}
}
}
this[name] = DecodeExtOctet(valueBuffer.ToString(), charset);
}
// Regular parameter.
else
{
this[name] = value;
}
}
}
m_IsModified = false;
}
/// <summary>
/// Parses RFC 2822 date-time from the specified value.
/// </summary>
/// <param name="value">RFC 2822 date-time string value.</param>
/// <returns>Returns parsed datetime value.</returns>
/// <exception cref="ArgumentNullException">Is raised when <b>value</b> is null.</exception>
/// <exception cref="ArgumentException">Is raised when any of the arguments has invalid value.</exception>
public static DateTime ParseRfc2822DateTime(string value)
{
if (value == null)
{
throw new ArgumentNullException(value);
}
//Try parse dt
DateTime parsedTime;
if (DateTime.TryParse(value, out parsedTime))
{
return(parsedTime);
}
/* RFC 2822 3.
* date-time = [ day-of-week "," ] date FWS time [CFWS]
* day-of-week = ([FWS] day-name) / obs-day-of-week
* day-name = "Mon" / "Tue" / "Wed" / "Thu" / "Fri" / "Sat" / "Sun"
* date = day month year
* year = 4*DIGIT / obs-year
* month = (FWS month-name FWS) / obs-month
* month-name = "Jan" / "Feb" / "Mar" / "Apr" / "May" / "Jun" / "Jul" / "Aug" / "Sep" / "Oct" / "Nov" / "Dec"
* day = ([FWS] 1*2DIGIT) / obs-day
* time = time-of-day FWS zone
* time-of-day = hour ":" minute [ ":" second ]
* hour = 2DIGIT / obs-hour
* minute = 2DIGIT / obs-minute
* second = 2DIGIT / obs-second
* zone = (( "+" / "-" ) 4DIGIT) / obs-zone
*
* The date and time-of-day SHOULD express local time.
*/
try
{
MIME_Reader r = new MIME_Reader(value);
string v = r.Atom();
// Skip optional [ day-of-week "," ] and read "day".
if (v.Length == 3)
{
r.Char(true);
v = r.Atom();
}
int day = Convert.ToInt32(v);
v = r.Atom().ToLower();
int month = 1;
if (v == "jan")
{
month = 1;
}
else if (v == "feb")
{
month = 2;
}
else if (v == "mar")
{
month = 3;
}
else if (v == "apr")
{
month = 4;
}
else if (v == "may")
{
month = 5;
}
else if (v == "jun")
{
month = 6;
}
else if (v == "jul")
{
month = 7;
}
else if (v == "aug")
{
month = 8;
}
else if (v == "sep")
{
month = 9;
}
else if (v == "oct")
{
month = 10;
}
else if (v == "nov")
{
month = 11;
}
else if (v == "dec")
{
month = 12;
}
else
{
throw new ArgumentException("Invalid month-name value '" + value + "'.");
}
int year = Convert.ToInt32(r.Atom());
int hour = Convert.ToInt32(r.Atom());
r.Char(true);
int minute = Convert.ToInt32(r.Atom());
int second = 0;
// We have optional "second".
if (r.Peek(true) == ':')
{
r.Char(true);
second = Convert.ToInt32(r.Atom());
}
int timeZoneMinutes = 0;
v = r.Atom();
// We have RFC 2822 date. For example: +2000.
if (v[0] == '+' || v[0] == '-')
{
if (v[0] == '+')
{
timeZoneMinutes = (Convert.ToInt32(v.Substring(1, 2)) * 60 +
Convert.ToInt32(v.Substring(3, 2)));
}
else
{
timeZoneMinutes =
-(Convert.ToInt32(v.Substring(1, 2)) * 60 + Convert.ToInt32(v.Substring(3, 2)));
}
}
// We have RFC 822 date with abbrevated time zone name. For example: GMT.
else
{
v = v.ToUpper();
#region time zones
// Alpha Time Zone (military).
if (v == "A")
{
timeZoneMinutes = ((01 * 60) + 00);
}
// Australian Central Daylight Time.
else if (v == "ACDT")
{
timeZoneMinutes = ((10 * 60) + 30);
}
// Australian Central Standard Time.
else if (v == "ACST")
{
timeZoneMinutes = ((09 * 60) + 30);
}
// Atlantic Daylight Time.
else if (v == "ADT")
{
timeZoneMinutes = -((03 * 60) + 00);
}
// Australian Eastern Daylight Time.
else if (v == "AEDT")
{
timeZoneMinutes = ((11 * 60) + 00);
}
// Australian Eastern Standard Time.
else if (v == "AEST")
{
timeZoneMinutes = ((10 * 60) + 00);
}
// Alaska Daylight Time.
else if (v == "AKDT")
{
timeZoneMinutes = -((08 * 60) + 00);
}
// Alaska Standard Time.
else if (v == "AKST")
{
timeZoneMinutes = -((09 * 60) + 00);
}
// Atlantic Standard Time.
else if (v == "AST")
{
timeZoneMinutes = -((04 * 60) + 00);
}
// Australian Western Daylight Time.
else if (v == "AWDT")
{
timeZoneMinutes = ((09 * 60) + 00);
}
// Australian Western Standard Time.
else if (v == "AWST")
{
timeZoneMinutes = ((08 * 60) + 00);
}
// Bravo Time Zone (millitary).
else if (v == "B")
{
timeZoneMinutes = ((02 * 60) + 00);
}
// British Summer Time.
else if (v == "BST")
{
timeZoneMinutes = ((01 * 60) + 00);
}
// Charlie Time Zone (millitary).
else if (v == "C")
{
timeZoneMinutes = ((03 * 60) + 00);
}
// Central Daylight Time.
else if (v == "CDT")
{
timeZoneMinutes = -((05 * 60) + 00);
}
// Central European Daylight Time.
else if (v == "CEDT")
{
timeZoneMinutes = ((02 * 60) + 00);
}
// Central European Summer Time.
else if (v == "CEST")
{
timeZoneMinutes = ((02 * 60) + 00);
}
// Central European Time.
else if (v == "CET")
{
timeZoneMinutes = ((01 * 60) + 00);
}
// Central Standard Time.
else if (v == "CST")
{
timeZoneMinutes = -((06 * 60) + 00);
}
// Christmas Island Time.
else if (v == "CXT")
{
timeZoneMinutes = ((01 * 60) + 00);
}
// Delta Time Zone (military).
else if (v == "D")
{
timeZoneMinutes = ((04 * 60) + 00);
}
// Echo Time Zone (military).
else if (v == "E")
{
timeZoneMinutes = ((05 * 60) + 00);
}
// Eastern Daylight Time.
else if (v == "EDT")
{
timeZoneMinutes = -((04 * 60) + 00);
}
// Eastern European Daylight Time.
else if (v == "EEDT")
{
timeZoneMinutes = ((03 * 60) + 00);
}
// Eastern European Summer Time.
else if (v == "EEST")
{
timeZoneMinutes = ((03 * 60) + 00);
}
// Eastern European Time.
else if (v == "EET")
{
timeZoneMinutes = ((02 * 60) + 00);
}
// Eastern Standard Time.
else if (v == "EST")
{
timeZoneMinutes = -((05 * 60) + 00);
}
// Foxtrot Time Zone (military).
else if (v == "F")
{
timeZoneMinutes = (06 * 60 + 00);
}
// Golf Time Zone (military).
else if (v == "G")
{
timeZoneMinutes = ((07 * 60) + 00);
}
// Greenwich Mean Time.
else if (v == "GMT")
{
timeZoneMinutes = 0000;
}
// Hotel Time Zone (military).
else if (v == "H")
{
timeZoneMinutes = ((08 * 60) + 00);
}
// India Time Zone (military).
else if (v == "I")
{
timeZoneMinutes = ((09 * 60) + 00);
}
// Irish Summer Time.
else if (v == "IST")
{
timeZoneMinutes = ((01 * 60) + 00);
}
// Kilo Time Zone (millitary).
else if (v == "K")
{
timeZoneMinutes = ((10 * 60) + 00);
}
// Lima Time Zone (millitary).
else if (v == "L")
{
timeZoneMinutes = ((11 * 60) + 00);
}
// Mike Time Zone (millitary).
else if (v == "M")
{
timeZoneMinutes = ((12 * 60) + 00);
}
// Mountain Daylight Time.
else if (v == "MDT")
{
timeZoneMinutes = -((06 * 60) + 00);
}
// Mountain Standard Time.
else if (v == "MST")
{
timeZoneMinutes = -((07 * 60) + 00);
}
// November Time Zone (military).
else if (v == "N")
{
timeZoneMinutes = -((01 * 60) + 00);
}
// Newfoundland Daylight Time.
else if (v == "NDT")
{
timeZoneMinutes = -((02 * 60) + 30);
}
// Norfolk (Island) Time.
else if (v == "NFT")
{
timeZoneMinutes = ((11 * 60) + 30);
}
// Newfoundland Standard Time.
else if (v == "NST")
{
timeZoneMinutes = -((03 * 60) + 30);
}
// Oscar Time Zone (military).
else if (v == "O")
{
timeZoneMinutes = -((02 * 60) + 00);
}
// Papa Time Zone (military).
else if (v == "P")
{
timeZoneMinutes = -((03 * 60) + 00);
}
// Pacific Daylight Time.
else if (v == "PDT")
{
timeZoneMinutes = -((07 * 60) + 00);
}
// Pacific Standard Time.
else if (v == "PST")
{
timeZoneMinutes = -((08 * 60) + 00);
}
// Quebec Time Zone (military).
else if (v == "Q")
{
timeZoneMinutes = -((04 * 60) + 00);
}
// Romeo Time Zone (military).
else if (v == "R")
{
timeZoneMinutes = -((05 * 60) + 00);
}
// Sierra Time Zone (military).
else if (v == "S")
{
timeZoneMinutes = -((06 * 60) + 00);
}
// Tango Time Zone (military).
else if (v == "T")
{
timeZoneMinutes = -((07 * 60) + 00);
}
// Uniform Time Zone (military).
else if (v == "")
{
timeZoneMinutes = -((08 * 60) + 00);
}
// Coordinated Universal Time.
else if (v == "UTC")
{
timeZoneMinutes = 0000;
}
// Victor Time Zone (militray).
else if (v == "V")
{
timeZoneMinutes = -((09 * 60) + 00);
}
// Whiskey Time Zone (military).
else if (v == "W")
{
timeZoneMinutes = -((10 * 60) + 00);
}
// Western European Daylight Time.
else if (v == "WEDT")
{
timeZoneMinutes = ((01 * 60) + 00);
}
// Western European Summer Time.
else if (v == "WEST")
{
timeZoneMinutes = ((01 * 60) + 00);
}
// Western European Time.
else if (v == "WET")
{
timeZoneMinutes = 0000;
}
// Western Standard Time.
else if (v == "WST")
{
timeZoneMinutes = ((08 * 60) + 00);
}
// X-ray Time Zone (military).
else if (v == "X")
{
timeZoneMinutes = -((11 * 60) + 00);
}
// Yankee Time Zone (military).
else if (v == "Y")
{
timeZoneMinutes = -((12 * 60) + 00);
}
// Zulu Time Zone (military).
else if (v == "Z")
{
timeZoneMinutes = 0000;
}
#endregion
}
// Convert time to UTC and then back to local.
DateTime timeUTC =
new DateTime(year, month, day, hour, minute, second).AddMinutes(-(timeZoneMinutes));
return
(new DateTime(timeUTC.Year,
timeUTC.Month,
timeUTC.Day,
timeUTC.Hour,
timeUTC.Minute,
timeUTC.Second,
DateTimeKind.Utc).ToLocalTime());
}
catch (Exception x)
{
string dymmy = x.Message;
throw new ArgumentException("Argumnet 'value' value '" + value +
"' is not valid RFC 822/2822 date-time string.");
}
}
/// <summary>
/// Parses parameters from the specified reader.
/// </summary>
/// <param name="reader">MIME reader.</param>
/// <exception cref="ArgumentNullException">Is raised when <b>reader</b> is null reference.</exception>
public void Parse(MIME_Reader reader)
{
if (reader == null)
{
throw new ArgumentNullException("reader");
}
/* RFC 2231.
*/
while (true)
{
// End os stream reached.
if (reader.Peek(true) == -1)
{
break;
}
// Next parameter start, just eat that char.
else if (reader.Peek(true) == ';')
{
reader.Char(false);
}
else
{
string name = reader.Token();
if (name == null)
break;
string value = "";
// Parameter value specified.
if (reader.Peek(true) == '=')
{
reader.Char(false);
string v = reader.Word();
// Normally value may not be null, but following case: paramName=EOS.
if (v != null)
{
value = v;
}
}
// RFC 2231 encoded/splitted parameter.
if (name.IndexOf('*') > -1)
{
string[] name_x_no_x = name.Split('*');
name = name_x_no_x[0];
Encoding charset = Encoding.ASCII;
StringBuilder valueBuffer = new StringBuilder();
// We must have charset'language'value.
// Examples:
// URL*=utf-8''test;
// URL*0*=utf-8''"test";
if ((name_x_no_x.Length == 2 && name_x_no_x[1] == "") || name_x_no_x.Length == 3)
{
string[] charset_language_value = value.Split('\'');
charset = EncodingTools.GetEncodingByCodepageName(charset_language_value[0]) ?? Encoding.ASCII;
valueBuffer.Append(charset_language_value[2]);
}
// No encoding, probably just splitted ASCII value.
// Example:
// URL*0="value1";
// URL*1="value2";
else
{
valueBuffer.Append(value);
}
// Read while value continues.
while (true)
{
// End os stream reached.
if (reader.Peek(true) == -1)
{
break;
}
// Next parameter start, just eat that char.
else if (reader.Peek(true) == ';')
{
reader.Char(false);
}
else
{
if (!reader.StartsWith(name + "*"))
{
break;
}
reader.Token();
// Parameter value specified.
if (reader.Peek(true) == '=')
{
reader.Char(false);
string v = reader.Word();
// Normally value may not be null, but following case: paramName=EOS.
if (v != null)
{
valueBuffer.Append(v);
}
}
}
}
this[name] = DecodeExtOctet(valueBuffer.ToString(),charset);
}
// Regular parameter.
else
{
this[name] = value;
}
}
}
m_IsModified = false;
}
