public static string GetSafeText(string data, out bool lengthCorrected, out bool charsCorrected)
{
string str;
string str2;
lengthCorrected = false;
charsCorrected = false;
if (data.Length > 160)
{
str = data.Substring(0, 160);
lengthCorrected = true;
}
else
{
str = data;
}
do
{
bool flag;
str2 = TextDataConverter.StringTo7Bit(str, false, out flag);
if (flag)
{
charsCorrected = true;
}
if (str2.Length > 160)
{
str = data.Substring(0, str.Length - 1);
lengthCorrected = true;
}
}while (str2.Length > 160);
return(TextDataConverter.SevenBitToString(str2));
}
protected string Decode7BitText()
{
string s = TextDataConverter.OctetsToSeptetsStr(this.userData);
int length = s.Length;
return(TextDataConverter.SevenBitToString(s, true));
}
protected void Encode7BitText(string text)
{
string data = TextDataConverter.StringTo7Bit(text);
int length = data.Length;
if (length > 160)
{
string[] strArray = new string[] { "Text is too long. A maximum of ", 160.ToString(), " resulting septets is allowed. The current input results in ", length.ToString(), " septets." };
throw new ArgumentException(string.Concat(strArray));
}
this.SetUserData(TextDataConverter.SeptetsToOctetsInt(data), (byte)length);
}
protected string CreateAddressOfType(string address, byte type)
{
if (address != string.Empty)
{
if ((type == 0x91) && !address.StartsWith("+"))
{
return("+" + address);
}
AddressType type2 = new AddressType(type);
if (type2.Ton == 5)
{
string s = BcdWorker.EncodeSemiOctets(address);
return(TextDataConverter.SevenBitToString(TextDataConverter.OctetsToSeptetsStr(BcdWorker.GetBytes(s, 0, BcdWorker.CountBytes(s))), false));
}
}
return(address);
}
/// <summary>
/// Decodes the text from 7-Bit user data.
/// </summary>
/// <param name="userData">The user data to decode. Must contain an encoded GSM 7-Bit default text packed into octets.</param>
/// <returns>The decoded user data.</returns>
public static string Decode7BitText(byte[] userData)
{
string septetsStr = TextDataConverter.OctetsToSeptetsStr(userData);
return(TextDataConverter.SevenBitToString(septetsStr, true));
}
public static int GetTextLength(string text)
{
return(TextDataConverter.StringTo7Bit(text).Length);
}