/// <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());
}
/// <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();
}
