Esempio n. 1
0
        /// <summary>
        /// Decodes a user data header into information elements.
        /// </summary>
        /// <param name="userDataHeader">The user data header to be decoded.</param>
        /// <returns>The elements found as an array of <see cref="T:GsmComm.PduConverter.SmartMessaging.InformationElement" /> objects.</returns>
        /// <remarks>
        /// <para>Known information elements are decoded into their respective objects, while unknown
        /// information elements are stored in generic <see cref="T:GsmComm.PduConverter.SmartMessaging.UnknownInformationElement" /> objects.</para>
        /// <para>The list of known information elements consists of elements used within Smart Messaging,
        /// and does not aim to be a complete set of all existing elements.</para>
        /// <para>The currently recognized elements are:</para>
        /// <list type="bullet">
        /// <item><description><see cref="T:GsmComm.PduConverter.SmartMessaging.ConcatMessageElement8" /></description></item>
        /// <item><description><see cref="T:GsmComm.PduConverter.SmartMessaging.ConcatMessageElement16" /></description></item>
        /// <item><description><see cref="T:GsmComm.PduConverter.SmartMessaging.PortAddressElement16" /></description></item>
        /// </list>
        /// </remarks>
        public static InformationElement[] DecodeUserDataHeader(byte[] userDataHeader)
        {
            InformationElement        unknownInformationElement;
            List <InformationElement> informationElements = new List <InformationElement>();
            byte num  = 0;
            byte num1 = userDataHeader[0];

            if (num1 > 0)
            {
                num = (byte)(num + 1);
                do
                {
                    byte num2 = num;
                    num = (byte)(num2 + 1);
                    byte num3 = userDataHeader[num2];
                    byte num4 = num;
                    num = (byte)(num4 + 1);
                    byte   num5     = userDataHeader[num4];
                    byte[] numArray = new byte[num5 + 2];
                    Array.Copy(userDataHeader, num - 2, numArray, 0, num5 + 2);
                    num = (byte)(num + num5);
                    if (num3 != 0)
                    {
                        if (num3 != 8)
                        {
                            if (num3 != 5)
                            {
                                unknownInformationElement = new UnknownInformationElement(numArray);
                            }
                            else
                            {
                                unknownInformationElement = new PortAddressElement16(numArray);
                            }
                        }
                        else
                        {
                            unknownInformationElement = new ConcatMessageElement16(numArray);
                        }
                    }
                    else
                    {
                        unknownInformationElement = new ConcatMessageElement8(numArray);
                    }
                    informationElements.Add(unknownInformationElement);
                }while (num < num1);
            }
            return(informationElements.ToArray());
        }
Esempio n. 2
0
		/// <summary>
		/// Decodes a user data header into information elements.
		/// </summary>
		/// <param name="userDataHeader">The user data header to be decoded.</param>
		/// <returns>The elements found as an array of <see cref="T:GsmComm.PduConverter.SmartMessaging.InformationElement" /> objects.</returns>
		/// <remarks>
		/// <para>Known information elements are decoded into their respective objects, while unknown
		/// information elements are stored in generic <see cref="T:GsmComm.PduConverter.SmartMessaging.UnknownInformationElement" /> objects.</para>
		/// <para>The list of known information elements consists of elements used within Smart Messaging,
		/// and does not aim to be a complete set of all existing elements.</para>
		/// <para>The currently recognized elements are:</para>
		/// <list type="bullet">
		/// <item><description><see cref="T:GsmComm.PduConverter.SmartMessaging.ConcatMessageElement8" /></description></item>
		/// <item><description><see cref="T:GsmComm.PduConverter.SmartMessaging.ConcatMessageElement16" /></description></item>
		/// <item><description><see cref="T:GsmComm.PduConverter.SmartMessaging.PortAddressElement16" /></description></item>
		/// </list>
		/// </remarks>
		public static InformationElement[] DecodeUserDataHeader(byte[] userDataHeader)
		{
			InformationElement unknownInformationElement;
			List<InformationElement> informationElements = new List<InformationElement>();
			byte num = 0;
			byte num1 = userDataHeader[0];
			if (num1 > 0)
			{
				num = (byte)(num + 1);
				do
				{
					byte num2 = num;
					num = (byte)(num2 + 1);
					byte num3 = userDataHeader[num2];
					byte num4 = num;
					num = (byte)(num4 + 1);
					byte num5 = userDataHeader[num4];
					byte[] numArray = new byte[num5 + 2];
					Array.Copy(userDataHeader, num - 2, numArray, 0, num5 + 2);
					num = (byte)(num + num5);
					if (num3 != 0)
					{
						if (num3 != 8)
						{
							if (num3 != 5)
							{
								unknownInformationElement = new UnknownInformationElement(numArray);
							}
							else
							{
								unknownInformationElement = new PortAddressElement16(numArray);
							}
						}
						else
						{
							unknownInformationElement = new ConcatMessageElement16(numArray);
						}
					}
					else
					{
						unknownInformationElement = new ConcatMessageElement8(numArray);
					}
					informationElements.Add(unknownInformationElement);
				}
				while (num < num1);
			}
			return informationElements.ToArray();
		}