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using System;
using System.Collections.Generic;
using System.Text;
namespace LumiSoft.Net.SIP.Message
{
/// <summary>
/// Implements SIP "r-value" value. Defined in RFC 4412.
/// </summary>
/// <remarks>
/// <code>
/// RFC 4412 Syntax:
/// r-value = namespace "." r-priority
/// namespace = token-nodot
/// r-priority = token-nodot
/// </code>
/// </remarks>
public class SIP_t_RValue : SIP_t_Value
{
private string m_Namespace = "";
private string m_Priority = "";
/// <summary>
/// Default constructor.
/// </summary>
public SIP_t_RValue()
{
}
#region method Parse
/// <summary>
/// Parses "r-value" from specified value.
/// </summary>
/// <param name="value">SIP "r-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 "r-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)
{
/*
r-value = namespace "." r-priority
namespace = token-nodot
r-priority = token-nodot
*/
if(reader == null){
throw new ArgumentNullException("reader");
}
// namespace "." r-priority
string word = reader.ReadWord();
if(word == null){
throw new SIP_ParseException("Invalid 'r-value' value, 'namespace \".\" r-priority' is missing !");
}
string[] namespace_priority = word.Split('.');
if(namespace_priority.Length != 2){
throw new SIP_ParseException("Invalid r-value !");
}
m_Namespace = namespace_priority[0];
m_Priority = namespace_priority[1];
}
#endregion
#region method ToStringValue
/// <summary>
/// Converts this to valid "r-value" value.
/// </summary>
/// <returns>Returns "r-value" value.</returns>
public override string ToStringValue()
{
/*
r-value = namespace "." r-priority
namespace = token-nodot
r-priority = token-nodot
*/
return m_Namespace + "." + m_Priority;
}
#endregion
#region Properties Implementation
/// <summary>
/// Gets or sets Namespace.
/// </summary>
/// <exception cref="ArgumentNullException">Is raised when null value passed.</exception>
/// <exception cref="ArgumentException">Is raised when invalid Namespace value passed.</exception>
public string Namespace
{
get{ return m_Namespace; }
set{
if(value == null){
throw new ArgumentNullException("Namespace");
}
if(value == ""){
throw new ArgumentException("Property Namespace value may not be '' !");
}
if(!TextUtils.IsToken(value)){
throw new ArgumentException("Property Namespace value must be 'token' !");
}
m_Namespace = value;
}
}
/// <summary>
/// Gets or sets priority.
/// </summary>
/// <exception cref="ArgumentNullException">Is raised when null value passed.</exception>
/// <exception cref="ArgumentException">Is raised when invalid Priority value passed.</exception>
public string Priority
{
get{ return m_Priority; }
set{
if(value == null){
throw new ArgumentNullException("Priority");
}
if(value == ""){
throw new ArgumentException("Property Priority value may not be '' !");
}
if(!TextUtils.IsToken(value)){
throw new ArgumentException("Property Priority value must be 'token' !");
}
m_Priority = value;
}
}
#endregion
}
}
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