Server.Network.PacketReader.ReadStringSafe C# (CSharp) Method

		public string ReadStringSafe()
		{
			StringBuilder sb = new StringBuilder();

			int c;

			while ( m_Index < m_Size && (c = m_Data[m_Index++]) != 0 )
			{
				if ( IsSafeChar( c ) )
					sb.Append( (char)c );
			}

			return sb.ToString();
		}

        public static void ChatAction( NetState state, PacketReader pvSrc )
        {
            if ( !m_Enabled )
                return;

            try
            {
                Mobile from = state.Mobile;
                ChatUser user = ChatUser.GetChatUser( from );

                if ( user == null )
                    return;

                /*string lang = */pvSrc.ReadStringSafe( 4 );
                int actionID = pvSrc.ReadInt16();
                string param = pvSrc.ReadUnicodeString();

                ChatActionHandler handler = ChatActionHandlers.GetHandler( actionID );

                if ( handler != null )
                {
                    Channel channel = user.CurrentChannel;

                    if ( handler.RequireConference && channel == null )
                    {
                        user.SendMessage( 31 ); /* You must be in a conference to do this.
                                                 * To join a conference, select one from the Conference menu.
                                                 */
                    }
                    else if ( handler.RequireModerator && !user.IsModerator )
                    {
                        user.SendMessage( 29 ); // You must have operator status to do this.
                    }
                    else
                    {
                        handler.Callback( user, channel, param );
                    }
                }
                else
                {
                    log.Warn(String.Format("Client: {0}: Unknown chat action 0x{1:X}: {2}",
                                           state, actionID, param));
                }
            }
            catch ( Exception e )
            {
                log.Error( e );
            }
        }