/// <summary> /// Compares two <see cref="IrDADeviceInfo"/> instances for equality. /// </summary> /// - /// <param name="obj">The <see cref="BluetoothDeviceInfo"/> /// to compare with the current instance. /// </param> /// - /// <returns><c>true</c> if <paramref name="obj"/> /// is a <see cref="BluetoothDeviceInfo"/> and equal to the current instance; /// otherwise, <c>false</c>. /// </returns> public override bool Equals(object obj) { //objects are equal if device address matches IrDADeviceInfo irdi = obj as IrDADeviceInfo; if (irdi != null) { return(this.DeviceAddress.Equals(irdi.DeviceAddress)); } return(base.Equals(obj)); }
public static IrDADeviceInfo[] ParseDeviceList(byte[] buffer) { if (buffer == null) { throw new ArgumentNullException("buffer"); } const int BytesInAnInt32 = 4; if (buffer.Length < BytesInAnInt32) { throw new ArgumentException("DEVICE_LIST buffer must be at least four bytes long."); } // int count = BitConverter.ToInt32(buffer, 0); //create array for results IrDADeviceInfo[] idia = new IrDADeviceInfo[count]; const int devInfoLen = 29; //We could check that the buffer is big enough to suit its 'count' value. //If this ever happened currently we would just fail with IndexOutOfRangeException //int expectedLength = BytesInAnInt32 + count * devInfoLen; //if (expectedLength > buffer.Length) { // throw new ArgumentException("Buffer is smaller than the count of items requires."); //} for (int iDev = 0; iDev < count; iDev++) { byte[] id = new byte[4]; Buffer.BlockCopy(buffer, 4 + (iDev * devInfoLen), id, 0, 4); IrDAAddress devid = new IrDAAddress(id); //hints IrDAHints hints = (IrDAHints)BitConverter.ToInt16(buffer, 30 + (iDev * devInfoLen)); //charset IrDACharacterSet charset = (IrDACharacterSet)buffer[32 + (iDev * devInfoLen)]; //name Encoding e = null; switch (charset) { case IrDACharacterSet.ASCII: e = Encoding.ASCII; break; case IrDACharacterSet.Unicode: e = Encoding.Unicode; break; default: e = Encoding.GetEncoding(28590 + (int)charset); break; } string name = e.GetString(buffer, 8 + (iDev * devInfoLen), 22); int nullIndex = name.IndexOf('\0'); //trim nulls if (nullIndex > -1) { name = name.Substring(0, nullIndex); } #if NETCF // PPC doesn't fill the charset field! :-( We'll attempt // to detect the Unicode encoding, but not the ISO-8859-X ones: // as their strings will display at least partially -- dropping // the high chars, but also because those encodings are not // really supported by CF anyway. if (Environment.OSVersion.Platform == PlatformID.WinCE) { // This assert is valid, but very annoying when running the // unit-tests so we'll remove it for now. // System.Diagnostics.Debug.Assert(charset == 0, "should charset==0 as field unset on CE"); try { e = Encoding.Unicode; string nameGuessUnicode = e.GetString(buffer, 8 + (iDev * devInfoLen), 22); //trim nulls int nullIndexGU = nameGuessUnicode.IndexOf('\0'); if (nullIndexGU > -1) { nameGuessUnicode = nameGuessUnicode.Substring(0, nullIndexGU); } // If more sense was made of the bytes as Unicode, then return // that string. // e.g. a unicode string "abc" is 61-00-62-00-63-00 which // ASCII will see as "A" and Unicode as "ABC" if (nameGuessUnicode.Length > name.Length) { name = nameGuessUnicode; } } catch { } } #endif idia[iDev] = new IrDADeviceInfo(devid, name, hints, charset); } return(idia); }
public static IrDADeviceInfo[] ParseDeviceList(byte[] buffer) { if (buffer == null) { throw new ArgumentNullException("buffer"); } const int BytesInAnInt32 = 4; if (buffer.Length < BytesInAnInt32) { throw new ArgumentException("DEVICE_LIST buffer must be at least four bytes long."); } // int count = BitConverter.ToInt32(buffer, 0); //create array for results IrDADeviceInfo[] idia = new IrDADeviceInfo[count]; const int devInfoLen = 29; //We could check that the buffer is big enough to suit its 'count' value. //If this ever happened currently we would just fail with IndexOutOfRangeException //int expectedLength = BytesInAnInt32 + count * devInfoLen; //if (expectedLength > buffer.Length) { // throw new ArgumentException("Buffer is smaller than the count of items requires."); //} for (int iDev = 0; iDev < count; iDev++) { byte[] id = new byte[4]; Buffer.BlockCopy(buffer, 4 + (iDev * devInfoLen), id, 0, 4); IrDAAddress devid = new IrDAAddress(id); //hints IrDAHints hints = (IrDAHints)BitConverter.ToInt16(buffer, 30 + (iDev * devInfoLen)); //charset IrDACharacterSet charset = (IrDACharacterSet)buffer[32 + (iDev * devInfoLen)]; //name Encoding e = Encoding.ASCII; switch (charset) { case IrDACharacterSet.ASCII: e = Encoding.ASCII; break; case IrDACharacterSet.Unicode: e = Encoding.Unicode; break; default: e = Encoding.GetEncoding(28590 + (int)charset); break; } string name = e.GetString(buffer, 8 + (iDev * devInfoLen), 22); int nullIndex = name.IndexOf('\0'); // trim nulls if (nullIndex > -1) { name = name.Substring(0, nullIndex); } idia[iDev] = new IrDADeviceInfo(devid, name, hints, charset); } return(idia); }