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using System;
using System.Collections.Generic;
using System.Text;
namespace LumiSoft.Net.SIP.Message
{
/// <summary>
/// Implements SIP "ac-value" value. Defined in RFC 3841.
/// </summary>
/// <remarks>
/// <code>
/// RFC 3841 Syntax:
/// ac-value = "*" *(SEMI ac-params)
/// ac-params = feature-param / req-param / explicit-param / generic-param
/// ;;feature param from RFC 3840
/// ;;generic-param from RFC 3261
/// req-param = "require"
/// explicit-param = "explicit"
/// </code>
/// </remarks>
public class SIP_t_ACValue : SIP_t_ValueWithParams
{
/// <summary>
/// Default constructor.
/// </summary>
public SIP_t_ACValue()
{
}
/// <summary>
/// Default constructor.
/// </summary>
/// <param name="value">SIP 'ac-value' value.</param>
public SIP_t_ACValue(string value)
{
Parse(value);
}
#region method Parse
/// <summary>
/// Parses "ac-value" from specified value.
/// </summary>
/// <param name="value">SIP "ac-value" value.</param>
/// <exception cref="ArgumentNullException">Raised when <b>value</b> is null.</exception>
/// <exception cref="SIP_ParseException">Raised when invalid SIP message.</exception>
public void Parse(string value)
{
if(value == null){
throw new ArgumentNullException("value");
}
Parse(new StringReader(value));
}
/// <summary>
/// Parses "ac-value" from specified reader.
/// </summary>
/// <param name="reader">Reader from where to parse.</param>
/// <exception cref="ArgumentNullException">Raised when <b>reader</b> is null.</exception>
/// <exception cref="SIP_ParseException">Raised when invalid SIP message.</exception>
public override void Parse(StringReader reader)
{
/*
ac-value = "*" *(SEMI ac-params)
ac-params = feature-param / req-param / explicit-param / generic-param
;;feature param from RFC 3840
;;generic-param from RFC 3261
req-param = "require"
explicit-param = "explicit"
*/
if(reader == null){
throw new ArgumentNullException("reader");
}
string word = reader.ReadWord();
if(word == null){
throw new SIP_ParseException("Invalid 'ac-value', '*' is missing !");
}
// Parse parameters
ParseParameters(reader);
}
#endregion
#region method ToStringValue
/// <summary>
/// Converts this to valid "ac-value" value.
/// </summary>
/// <returns>Returns "ac-value" value.</returns>
public override string ToStringValue()
{
/*
ac-value = "*" *(SEMI ac-params)
ac-params = feature-param / req-param / explicit-param / generic-param
;;feature param from RFC 3840
;;generic-param from RFC 3261
req-param = "require"
explicit-param = "explicit"
*/
StringBuilder retVal = new StringBuilder();
// *
retVal.Append("*");
// Add parameters
retVal.Append(ParametersToString());
return retVal.ToString();
}
#endregion
#region Properties Implementation
/// <summary>
/// Gets or sets 'require' parameter value.
/// </summary>
public bool Require
{
get{
SIP_Parameter parameter = this.Parameters["require"];
if(parameter != null){
return true;
}
else{
return false;
}
}
set{
if(!value){
this.Parameters.Remove("require");
}
else{
this.Parameters.Set("require",null);
}
}
}
/// <summary>
/// Gets or sets 'explicit' parameter value.
/// </summary>
public bool Explicit
{
get{
SIP_Parameter parameter = this.Parameters["explicit"];
if(parameter != null){
return true;
}
else{
return false;
}
}
set{
if(!value){
this.Parameters.Remove("explicit");
}
else{
this.Parameters.Set("explicit",null);
}
}
}
#endregion
}
}
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