/// <summary>
/// Gets if collection contains the specified item.
/// </summary>
/// <param name="field">Header field.</param>
/// <returns>Returns true if specified item exists in the collection, otherwise false.</returns>
/// <exception cref="ArgumentNullException">Is raised when <b>field</b> is null reference.</exception>
public bool Contains(MIME_h field)
{
if (field == null)
{
throw new ArgumentNullException("field");
}
return(m_pFields.Contains(field));
}
/// <summary>
/// Adds specified header field to the end of the collection.
/// </summary>
/// <param name="field">Header field to add.</param>
/// <exception cref="ArgumentNullException">Is raised when <b>field</b> is null reference value.</exception>
public void Add(MIME_h field)
{
if (field == null)
{
throw new ArgumentNullException("field");
}
m_pFields.Add(field);
m_IsModified = true;
}
/// <summary>
/// Default constructor.
/// </summary>
/// <param name="owner">Owner MIME header field.</param>
/// <exception cref="ArgumentNullException">Is raised when <b>owner</b> is null reference.</exception>
public MIME_h_ParameterCollection(MIME_h owner)
{
if (owner == null)
{
throw new ArgumentNullException("owner");
}
m_pOwner = owner;
m_pParameters = new Dictionary <string, MIME_h_Parameter>(StringComparer.CurrentCultureIgnoreCase);
}
/// <summary>
/// Parses and adds specified header field to the end of the collection.
/// </summary>
/// <param name="field">Header field string (Name: value).</param>
/// <returns>Retunrs added header field.</returns>
/// <exception cref="ArgumentNullException">Is raised when <b>field</b> is null reference.</exception>
public MIME_h Add(string field)
{
if (field == null)
{
throw new ArgumentNullException("field");
}
MIME_h h = m_pProvider.Parse(field);
m_pFields.Add(h);
m_IsModified = true;
return(h);
}
/// <summary>
/// Inserts a new header field into the collection at the specified location.
/// </summary>
/// <param name="index">The location in the collection where you want to add the item.</param>
/// <param name="field">Header field to insert.</param>
/// <exception cref="ArgumentOutOfRangeException">Is raised when <b>index</b> is out of range.</exception>
/// <exception cref="ArgumentNullException">Is raised when <b>field</b> is null reference.</exception>
public void Insert(int index, MIME_h field)
{
if (index < 0 || index > m_pFields.Count)
{
throw new ArgumentOutOfRangeException("index");
}
if (field == null)
{
throw new ArgumentNullException("field");
}
m_pFields.Insert(index, field);
m_IsModified = true;
}
/// <summary>
/// Replaces first header field with specified name with specified value.
/// </summary>
/// <param name="field">Hedaer field.</param>
/// <exception cref="ArgumentNullException">Is raised when <b>field</b> is null reference.</exception>
public void ReplaceFirst(MIME_h field)
{
if (field == null)
{
throw new ArgumentNullException("field");
}
for (int i = 0; i < m_pFields.Count; i++)
{
if (string.Equals(field.Name, m_pFields[i].Name, StringComparison.CurrentCultureIgnoreCase))
{
m_pFields.RemoveAt(i);
m_pFields.Insert(i, field);
return;
}
}
}
/// <summary>
/// Parses specified header field.
/// </summary>
/// <param name="field">Header field string (Name: value).</param>
/// <returns>Returns parsed header field.</returns>
/// <exception cref="ArgumentNullException">Is raised when <b>field</b> is null reference.</exception>
/// <exception cref="ParseException">Is raised when header field parsing errors.</exception>
public MIME_h Parse(string field)
{
if (field == null)
{
throw new ArgumentNullException("field");
}
// <CRLF> is misssing from end, add it.
if (!field.EndsWith("\r\n"))
{
field += "\r\n";
}
MIME_h headerField = null;
string[] name_value = field.Split(new char[] { ':' }, 2);
string name = name_value[0].Trim();
if (name == string.Empty)
{
throw new ParseException("Invalid header field value '" + field + "'.");
}
else
{
try{
if (m_pHeadrFields.ContainsKey(name))
{
headerField = (MIME_h)m_pHeadrFields[name].GetMethod("Parse").Invoke(null, new object[] { field });
}
else
{
headerField = (MIME_h)m_pDefaultHeaderField.GetMethod("Parse").Invoke(null, new object[] { field });
}
}
catch (Exception x) {
headerField = new MIME_h_Unparsed(field, x.InnerException);
}
}
return(headerField);
}