/// <summary>
/// Parses header field from the specified value.
/// </summary>
/// <param name="value">Header field value. Header field name must be included. For example: 'Content-Type: text/plain'.</param>
/// <returns>Returns parsed header field.</returns>
/// <exception cref="ArgumentNullException">Is raised when <b>value</b> is null reference.</exception>
/// <exception cref="ParseException">Is raised when header field parsing errors.</exception>
public static Mail_h_AddressList Parse(string value)
{
if (value == null)
{
throw new ArgumentNullException("value");
}
string[] name_value = value.Split(new char[] { ':' }, 2);
if (name_value.Length != 2)
{
throw new ParseException("Invalid header field value '" + value + "'.");
}
/* RFC 5322 3.4.
* address = mailbox / group
* mailbox = name-addr / addr-spec
* name-addr = [display-name] angle-addr
* angle-addr = [CFWS] "<" addr-spec ">" [CFWS] / obs-angle-addr
* group = display-name ":" [group-list] ";" [CFWS]
* display-name = phrase
* mailbox-list = (mailbox *("," mailbox)) / obs-mbox-list
* address-list = (address *("," address)) / obs-addr-list
* group-list = mailbox-list / CFWS / obs-group-list
*/
Mail_h_AddressList retVal = new Mail_h_AddressList(name_value[0], Mail_t_AddressList.Parse(name_value[1].Trim()));
retVal.m_ParseValue = value;
retVal.m_pAddresses.AcceptChanges();
return(retVal);
}
/// <summary>
/// Default constructor.
/// </summary>
/// <param name="fieldName">Header field name. For example: "To".</param>
/// <param name="values">Addresses collection.</param>
/// <exception cref="ArgumentNullException">Is raised when <b>filedName</b> or <b>values</b> is null reference.</exception>
/// <exception cref="ArgumentException">Is raised when any of the arguments has invalid value.</exception>
public Mail_h_AddressList(string fieldName, Mail_t_AddressList values)
{
if (fieldName == null)
{
throw new ArgumentNullException("fieldName");
}
if (fieldName == string.Empty)
{
throw new ArgumentException("Argument 'fieldName' value must be specified.");
}
if (values == null)
{
throw new ArgumentNullException("values");
}
m_Name = fieldName;
m_pAddresses = values;
}
/// <summary>
/// Parses <b>address-list</b> from specified string value.
/// </summary>
/// <param name="value">The <b>address-list</b> string value.</param>
/// <returns></returns>
/// <exception cref="ArgumentNullException">Is raised when <b>value</b> is null reference.</exception>
/// <exception cref="ParseException">Is raised when <b>value</b> is not valid <b>address-list</b> value.</exception>
public static Mail_t_AddressList Parse(string value)
{
if(value == null){
throw new ArgumentNullException("value");
}
/* RFC 5322 3.4.
address = mailbox / group
mailbox = name-addr / addr-spec
name-addr = [display-name] angle-addr
angle-addr = [CFWS] "<" addr-spec ">" [CFWS] / obs-angle-addr
group = display-name ":" [group-list] ";" [CFWS]
display-name = phrase
mailbox-list = (mailbox *("," mailbox)) / obs-mbox-list
address-list = (address *("," address)) / obs-addr-list
group-list = mailbox-list / CFWS / obs-group-list
*/
MIME_Reader r = new MIME_Reader(value);
Mail_t_AddressList retVal = new Mail_t_AddressList();
while(true){
string word = r.QuotedReadToDelimiter(new char[]{',','<',':'});
// We processed all data.
if(word == null && r.Available == 0){
break;
}
// group
else if(r.Peek(true) == ':'){
Mail_t_Group group = new Mail_t_Group(word != null ? MIME_Encoding_EncodedWord.DecodeS(TextUtils.UnQuoteString(word)) : null);
// Consume ':'
r.Char(true);
while(true){
word = r.QuotedReadToDelimiter(new char[]{',','<',':',';'});
// We processed all data.
if((word == null && r.Available == 0) || r.Peek(false) == ';'){
break;
}
// In valid address list value.
else if(word == string.Empty){
throw new ParseException("Invalid address-list value '" + value + "'.");
}
// name-addr
else if(r.Peek(true) == '<'){
group.Members.Add(new Mail_t_Mailbox(word != null ? MIME_Encoding_EncodedWord.DecodeS(TextUtils.UnQuoteString(word)) : null,r.ReadParenthesized()));
}
// addr-spec
else{
group.Members.Add(new Mail_t_Mailbox(null,word));
}
// We reached at the end of group.
if(r.Peek(true) == ';'){
r.Char(true);
break;
}
// We have more addresses.
if(r.Peek(true) == ','){
r.Char(false);
}
}
retVal.Add(group);
}
// name-addr
else if(r.Peek(true) == '<'){
retVal.Add(new Mail_t_Mailbox(word != null ? MIME_Encoding_EncodedWord.DecodeS(TextUtils.UnQuoteString(word.Trim())) : null,r.ReadParenthesized()));
}
// addr-spec
else{
retVal.Add(new Mail_t_Mailbox(null,word));
}
// We have more addresses.
if(r.Peek(true) == ','){
r.Char(false);
}
}
return retVal;
}
