//--------
private static void DumpAdditionalProtocolDescriptorLists(System.IO.TextWriter writer, int depth, ServiceElement element)
{
System.Diagnostics.Debug.Assert(element.ElementType == ElementType.ElementSequence);
//
// Is a list of PDLs
foreach (ServiceElement curList in element.GetValueAsElementList())
{
DumpProtocolDescriptorList(writer, depth + 1, curList);
}//foreach
}
//--------------------
//
/// <summary>
/// Gets the list of <see cref="T:InTheHand.Net.Bluetooth.LanguageBaseItem"/>
/// items in the service record.
/// </summary>
/// -
/// <param name="elementSequence">
/// A <see cref="T:InTheHand.Net.Bluetooth.ServiceElement"/> holding the
/// data from the
/// <see cref="F:InTheHand.Net.Bluetooth.AttributeIds.UniversalAttributeId.LanguageBaseAttributeIdList"/>
/// attribute.
/// </param>
/// -
/// <returns>
/// An array of <see cref="T:InTheHand.Net.Bluetooth.LanguageBaseItem"/>.
/// An array length zero is returned if the service record contains no such attribute.
/// </returns>
/// -
/// <exception cref="T:System.ArgumentException">
/// <paramref name="elementSequence"/> is not of type
/// <see cref="F:InTheHand.Net.Bluetooth.ElementType.ElementSequence"/>.
/// </exception>
/// <exception cref="T:System.Net.ProtocolViolationException">
/// The element sequence contains incorrectly formatted or invalid content,
/// for example it contains the wrong element data types, or doesn't contain
/// the elements in groups of three as required.
/// </exception>
public static LanguageBaseItem[] ParseListFromElementSequence(ServiceElement elementSequence)
{
if (elementSequence.ElementType != ElementType.ElementSequence)
{
throw new ArgumentException(ErrorMsgLangBaseListParseNotSequence);
}
#if V1
IList elementList = elementSequence.GetValueAsElementList();
#else
IList <ServiceElement> elementList = elementSequence.GetValueAsElementList();
#endif
int numElements = elementList.Count;
const int ElementsPerItem = 3;
if (numElements == 0 || (numElements % ElementsPerItem) != 0)
{
throw new System.Net.ProtocolViolationException(ErrorMsgLangBaseListParseNotInThrees);
}
int numItems = numElements / ElementsPerItem;
LanguageBaseItem[] items = new LanguageBaseItem[numItems];
for (int i = 0; i < numItems; ++i)
{
// Casts are for the non-Generic version.
ServiceElement e1Lang = (ServiceElement)elementList[i * ElementsPerItem];
ServiceElement e2EncId = (ServiceElement)elementList[i * ElementsPerItem + 1];
ServiceElement e3BaseId = (ServiceElement)elementList[i * ElementsPerItem + 2];
if (e1Lang.ElementType != ElementType.UInt16 || e2EncId.ElementType != ElementType.UInt16 || e3BaseId.ElementType != ElementType.UInt16)
{
throw new System.Net.ProtocolViolationException(ErrorMsgLangBaseListParseNotU16);
}
if ((UInt16)e3BaseId.Value == 0)
{
throw new System.Net.ProtocolViolationException(ErrorMsgLangBaseListParseBaseInvalid);
}
LanguageBaseItem item = new LanguageBaseItem(
(UInt16)e1Lang.Value, (UInt16)e2EncId.Value, (UInt16)e3BaseId.Value);
items[i] = item;
}
return(items);
}
private static void DumpProtocolDescriptorListList(System.IO.TextWriter writer, int depth, ServiceElement element)
{
// The list.
System.Diagnostics.Debug.Assert(element.ElementType == ElementType.ElementSequence);
WritePrefix(writer, depth);
writer.Write("( ");
bool firstLayer = true;
foreach (ServiceElement layer in element.GetValueAsElementList())
{
ServiceElement[] items = layer.GetValueAsElementArray();
int used = 0;
System.Diagnostics.Debug.Assert(items[used].ElementTypeDescriptor == ElementTypeDescriptor.Uuid);
Guid protoGuid = items[used].GetValueAsUuid();
String protoStr;
HackProtocolId proto = GuidToHackProtocolId(protoGuid, out protoStr);
//
used++;
writer.Write("{0}( {1}", (firstLayer ? string.Empty : ", "), protoStr);
if (proto == HackProtocolId.L2Cap)
{
if (used < items.Length)
{
System.Diagnostics.Debug.Assert(items[used].ElementType == ElementType.UInt16);
UInt16 u16 = (UInt16)items[used].Value;
HackProtocolServiceMultiplexer psm = unchecked ((HackProtocolServiceMultiplexer)u16);
used++;
writer.Write(", PSM={0}", Enum_ToStringNameOrHex(psm));
}
}
else if (proto == HackProtocolId.Rfcomm)
{
if (used < items.Length)
{
System.Diagnostics.Debug.Assert(items[used].ElementType == ElementType.UInt8);
byte channelNumber = (byte)items[used].Value;
used++;
writer.Write(", ChannelNumber={0}", channelNumber);
}
}
// Others include BNEP for instance, which isn't defined in the base SDP spec.
if (used < items.Length)
{
writer.Write(", ...");
}
writer.Write(" )");
firstLayer = false;
}//foreach layer
writer.WriteLine(" )");
}
private static void DumpProtocolDescriptorList(System.IO.TextWriter writer, int depth, ServiceElement element)
{
System.Diagnostics.Debug.Assert(element.ElementType == ElementType.ElementAlternative ||
element.ElementType == ElementType.ElementSequence);
//
// If passes a list of alternatives, each a protocol descriptor list,
// then call ourselves on each list.
if (element.ElementType == ElementType.ElementAlternative)
{
foreach (ServiceElement curStack in element.GetValueAsElementList())
{
DumpProtocolDescriptorListList(writer, depth + 1, curStack);
}//foreach
return;
}
//else
DumpProtocolDescriptorListList(writer, depth, element);
}
private static void DumpRawElement(System.IO.TextWriter writer, int depth, ServiceElement elem)
{
WritePrefix(writer, depth);
if (elem.ElementType == ElementType.ElementSequence ||
elem.ElementType == ElementType.ElementAlternative)
{
writer.WriteLine("{0}", elem.ElementType);
foreach (ServiceElement element in elem.GetValueAsElementList())
{
DumpRawElement(writer, depth + 1, element);
}
}
else if (elem.ElementType == ElementType.Nil)
{
writer.WriteLine("Nil:");
}
else if (elem.ElementType == ElementType.TextString ||
elem.ElementType == ElementType.Boolean ||
elem.ElementType == ElementType.Url)
{
// Non-numeric types
writer.WriteLine("{0}: {1}", elem.ElementType, elem.Value);
}
else if (elem.ElementType == ElementType.Uuid128)
{
writer.WriteLine("{0}: {1}", elem.ElementType, elem.Value);
}
else if (elem.ElementType == ElementType.UInt128 ||
elem.ElementType == ElementType.Int128)
{
string valueText = BitConverter.ToString((byte[])elem.Value);
writer.WriteLine("{0}: {1}", elem.ElementType, valueText);
}
else
{
writer.WriteLine("{0}: 0x{1:X}", elem.ElementType, elem.Value);
//{catch(?FOrmatExptn){
// writer.WriteLine("{0}: 0x{1}", elem.Type, elem.Value);
//}
}
}
private static void DumpElement(System.IO.TextWriter writer, int depth, ServiceElement attr)
{
WritePrefix(writer, depth);
if (attr.ElementType == ElementType.ElementSequence || attr.ElementType == ElementType.ElementAlternative) {
writer.WriteLine("{0}", attr.ElementType);
foreach (ServiceElement element in attr.GetValueAsElementList()) {
DumpElement(writer, depth + 1, element);
}//for
} else if (attr.ElementType == ElementType.Nil) {
writer.WriteLine("Nil:");
} else if (attr.ElementType == ElementType.TextString
|| attr.ElementType == ElementType.Boolean
|| attr.ElementType == ElementType.Url) {
// Non-numeric types
writer.WriteLine("{0}: {1}", attr.ElementType, attr.Value);
} else {
String name = null;
String valueText = null;
if (attr.ElementTypeDescriptor == ElementTypeDescriptor.Uuid) {
if (attr.ElementType == ElementType.Uuid16) {
name = BluetoothService.GetName((UInt16)attr.Value);
} else if (attr.ElementType == ElementType.Uuid32) {
name = BluetoothService.GetName((UInt32)attr.Value);
} else {
System.Diagnostics.Debug.Assert(attr.ElementType == ElementType.Uuid128);
name = BluetoothService.GetName((Guid)attr.Value);
valueText = ((Guid)attr.Value).ToString();
}
}//if UUID
if (valueText == null) {
if (attr.ElementTypeDescriptor == ElementTypeDescriptor.Unknown) {
valueText = "unknown";
} else {
valueText = String.Format(System.Globalization.CultureInfo.InvariantCulture, "0x{0:X}", attr.Value);
}
}
if (name == null) {
writer.WriteLine("{0}: {1}", attr.ElementType, valueText);
} else {
writer.WriteLine("{0}: {1} -- {2}", attr.ElementType, valueText, name);
}
}//else
}
private static void DumpProtocolDescriptorListList(System.IO.TextWriter writer, int depth, ServiceElement element)
{
// The list.
System.Diagnostics.Debug.Assert(element.ElementType == ElementType.ElementSequence);
WritePrefix(writer, depth);
writer.Write("( ");
bool firstLayer = true;
foreach (ServiceElement layer in element.GetValueAsElementList()) {
ServiceElement[] items = layer.GetValueAsElementArray();
int used = 0;
System.Diagnostics.Debug.Assert(items[used].ElementTypeDescriptor == ElementTypeDescriptor.Uuid);
Guid protoGuid = items[used].GetValueAsUuid();
HackProtocolId proto = GuidToHackProtocolId(protoGuid);
String protoStr;
if (proto != 0) {
protoStr = Enum_ToStringNameOrHex(proto);
} else { // Not a standard Bluetooth value so dump its UUID
protoStr = protoGuid.ToString();
}
//
used++;
writer.Write("{0}( {1}", (firstLayer ? string.Empty : ", "), protoStr);
if (proto == HackProtocolId.L2Cap) {
if (used < items.Length) {
System.Diagnostics.Debug.Assert(items[used].ElementType == ElementType.UInt16);
HackProtocolServiceMultiplexer psm = (HackProtocolServiceMultiplexer)(UInt16)items[used].Value;
used++;
writer.Write(", PSM={0}", Enum_ToStringNameOrHex(psm));
}
} else if (proto == HackProtocolId.Rfcomm) {
if (used < items.Length) {
System.Diagnostics.Debug.Assert(items[used].ElementType == ElementType.UInt8);
byte channelNumber = (byte)items[used].Value;
used++;
writer.Write(", ChannelNumber={0}", channelNumber);
}
}
// Others include BNEP for instance, which isn't defined in the base SDP spec.
if (used < items.Length) {
writer.Write(", ...");
}
writer.Write(" )");
firstLayer = false;
}//foreach layer
writer.WriteLine(" )");
}
private static void DumpProtocolDescriptorList(System.IO.TextWriter writer, int depth, ServiceElement element)
{
System.Diagnostics.Debug.Assert(element.ElementType == ElementType.ElementAlternative
|| element.ElementType == ElementType.ElementSequence);
//
// If passes a list of alternatives, each a protocol descriptor list,
// then call ourselves on each list.
if (element.ElementType == ElementType.ElementAlternative) {
foreach (ServiceElement curStack in element.GetValueAsElementList()) {
DumpProtocolDescriptorListList(writer, depth + 1, curStack);
}//foreach
return;
}
//else
DumpProtocolDescriptorListList(writer, depth, element);
}
//--------
private static void DumpAdditionalProtocolDescriptorLists(System.IO.TextWriter writer, int depth, ServiceElement element)
{
System.Diagnostics.Debug.Assert(element.ElementType == ElementType.ElementSequence);
//
// Is a list of PDLs
foreach (ServiceElement curList in element.GetValueAsElementList()) {
DumpProtocolDescriptorList(writer, depth + 1, curList);
}//foreach
}
private static void DumpRawElement(System.IO.TextWriter writer, int depth, ServiceElement attr)
{
WritePrefix(writer, depth);
if (attr.ElementType == ElementType.ElementSequence
|| attr.ElementType == ElementType.ElementAlternative) {
writer.WriteLine("{0}", attr.ElementType);
foreach (ServiceElement element in attr.GetValueAsElementList()) {
DumpRawElement(writer, depth + 1, element);
}
} else if (attr.ElementType == ElementType.Nil) {
writer.WriteLine("Nil:");
} else if (attr.ElementType == ElementType.TextString
|| attr.ElementType == ElementType.Boolean
|| attr.ElementType == ElementType.Url) {
// Non-numeric types
writer.WriteLine("{0}: {1}", attr.ElementType, attr.Value);
} else if (attr.ElementType == ElementType.Uuid128) {
writer.WriteLine("{0}: ", attr.ElementType, attr.Value);
} else {
writer.WriteLine("{0}: 0x{1:X}", attr.ElementType, attr.Value);
//{catch(?FOrmatExptn){
// writer.WriteLine("{0}: 0x{1}", attr.Type, attr.Value);
//}
}
}
//--------------------
//
/// <summary>
/// Gets the list of <see cref="T:InTheHand.Net.Bluetooth.LanguageBaseItem"/>
/// items in the service record.
/// </summary>
/// -
/// <param name="elementSequence">
/// A <see cref="T:InTheHand.Net.Bluetooth.ServiceElement"/> holding the
/// data from the
/// <see cref="F:InTheHand.Net.Bluetooth.AttributeIds.UniversalAttributeId.LanguageBaseAttributeIdList"/>
/// attribute.
/// </param>
/// -
/// <returns>
/// An array of <see cref="T:InTheHand.Net.Bluetooth.LanguageBaseItem"/>.
/// An array length zero is returned if the service record contains no such attribute.
/// </returns>
/// -
/// <exception cref="T:System.ArgumentException">
/// <paramref name="elementSequence"/> is not of type
/// <see cref="F:InTheHand.Net.Bluetooth.ElementType.ElementSequence"/>.
/// </exception>
/// <exception cref="T:System.Net.ProtocolViolationException">
/// The element sequence contains incorrectly formatted or invalid content,
/// for example it contains the wrong element data types, or doesn't contain
/// the elements in groups of three as required.
/// </exception>
public static LanguageBaseItem[] ParseListFromElementSequence(ServiceElement elementSequence)
{
if (elementSequence.ElementType != ElementType.ElementSequence) {
throw new ArgumentException(ErrorMsgLangBaseListParseNotSequence);
}
#if V1
IList elementList = elementSequence.GetValueAsElementList();
#else
IList<ServiceElement> elementList = elementSequence.GetValueAsElementList();
#endif
int numElements = elementList.Count;
const int ElementsPerItem = 3;
if (numElements == 0 || (numElements % ElementsPerItem) != 0) {
throw new System.Net.ProtocolViolationException(ErrorMsgLangBaseListParseNotInThrees);
}
int numItems = numElements / ElementsPerItem;
LanguageBaseItem[] items = new LanguageBaseItem[numItems];
for (int i = 0; i < numItems; ++i) {
// Casts are for the non-Generic version.
ServiceElement e1Lang = (ServiceElement)elementList[i * ElementsPerItem];
ServiceElement e2EncId = (ServiceElement)elementList[i * ElementsPerItem + 1];
ServiceElement e3BaseId = (ServiceElement)elementList[i * ElementsPerItem + 2];
if (e1Lang.ElementType != ElementType.UInt16 || e2EncId.ElementType != ElementType.UInt16 || e3BaseId.ElementType != ElementType.UInt16) {
throw new System.Net.ProtocolViolationException(ErrorMsgLangBaseListParseNotU16);
}
if ((UInt16)e3BaseId.Value == 0) {
throw new System.Net.ProtocolViolationException(ErrorMsgLangBaseListParseBaseInvalid);
}
LanguageBaseItem item = new LanguageBaseItem(
(UInt16)e1Lang.Value, (UInt16)e2EncId.Value, (UInt16)e3BaseId.Value);
items[i] = item;
}
return items;
}
private static void DumpElement(System.IO.TextWriter writer, int depth, ServiceElement elem)
{
WritePrefix(writer, depth);
if (elem.ElementType == ElementType.ElementSequence || elem.ElementType == ElementType.ElementAlternative)
{
writer.WriteLine("{0}", elem.ElementType);
foreach (ServiceElement element in elem.GetValueAsElementList())
{
DumpElement(writer, depth + 1, element);
}//for
}
else if (elem.ElementType == ElementType.Nil)
{
writer.WriteLine("Nil:");
}
else if (elem.ElementType == ElementType.TextString)
{
DumpString(writer, depth, elem, null);
}
else if (elem.ElementType == ElementType.Boolean ||
elem.ElementType == ElementType.Url)
{
// Non-numeric types
writer.WriteLine("{0}: {1}", elem.ElementType, elem.Value);
}
else
{
String name = null;
String valueText = null;
if (elem.ElementTypeDescriptor == ElementTypeDescriptor.Uuid)
{
if (elem.ElementType == ElementType.Uuid16)
{
name = BluetoothService.GetName((UInt16)elem.Value);
}
else if (elem.ElementType == ElementType.Uuid32)
{
name = BluetoothService.GetName((UInt32)elem.Value);
}
else
{
System.Diagnostics.Debug.Assert(elem.ElementType == ElementType.Uuid128);
name = BluetoothService.GetName((Guid)elem.Value);
valueText = ((Guid)elem.Value).ToString();
}
}//if UUID
if (valueText == null)
{
if (elem.ElementTypeDescriptor == ElementTypeDescriptor.Unknown)
{
valueText = "unknown";
}
else if (elem.ElementType == ElementType.UInt128 ||
elem.ElementType == ElementType.Int128)
{
valueText = BitConverter.ToString((byte[])elem.Value);
}
else
{
valueText = String.Format(System.Globalization.CultureInfo.InvariantCulture, "0x{0:X}", elem.Value);
}
}
if (name == null)
{
writer.WriteLine("{0}: {1}", elem.ElementType, valueText);
}
else
{
writer.WriteLine("{0}: {1} -- {2}", elem.ElementType, valueText, name);
}
}//else
}
/// <summary>
/// Create the element in the buffer starting at offset, and return its totalLength.
/// </summary>
/// <param name="element">The element to create.
/// </param>
/// <param name="buf">The byte array to write the encoded element to.
/// </param>
/// <param name="offset">The place to start writing in <paramref name="buf"/>.
/// </param>
///
/// <returns>The total length of the encoded element written to the buffer
/// </returns>
protected virtual int CreateElement(ServiceElement element, byte[] buf, int offset)
{
int totalLength;
//
if (element.ElementTypeDescriptor == ElementTypeDescriptor.ElementSequence ||
element.ElementTypeDescriptor == ElementTypeDescriptor.ElementAlternative)
{
HeaderWriteState headerState;
int curLen;
curLen = MakeVariableLengthHeader(buf, offset, element.ElementTypeDescriptor, out headerState);
offset += curLen;
foreach (ServiceElement childElement in element.GetValueAsElementList())
{
curLen = CreateElement(childElement, buf, offset);
offset += curLen;
}//for
CompleteHeaderWrite(headerState, buf, offset, out totalLength);
//----------------
}
else if (element.ElementTypeDescriptor == ElementTypeDescriptor.UnsignedInteger ||
element.ElementTypeDescriptor == ElementTypeDescriptor.TwosComplementInteger)
{
switch (element.ElementType)
{
case ElementType.UInt8:
WriteByte(element, (Byte)element.Value, buf, ref offset, out totalLength);
break;
case ElementType.Int8:
WriteSByte(element, (SByte)element.Value, buf, ref offset, out totalLength);
break;
case ElementType.UInt16:
WriteUInt16(element, (UInt16)element.Value, buf, ref offset, out totalLength);
break;
case ElementType.Int16:
WriteInt16(element, (Int16)element.Value, buf, ref offset, out totalLength);
break;
case ElementType.UInt32:
WriteUInt32(element, (UInt32)element.Value, buf, ref offset, out totalLength);
break;
case ElementType.Int32:
WriteInt32(element, (Int32)element.Value, buf, ref offset, out totalLength);
break;
case ElementType.UInt64:
WriteUInt64(element, (UInt64)element.Value, buf, ref offset, out totalLength);
break;
case ElementType.Int64:
WriteInt64(element, (Int64)element.Value, buf, ref offset, out totalLength);
break;
default:
System.Diagnostics.Debug.Fail(String.Format(System.Globalization.CultureInfo.InvariantCulture,
"Unexpected integral type '{0}'.", element.ElementType));
totalLength = 0;
break;
}//switch
//----------------
}
else if (element.ElementTypeDescriptor == ElementTypeDescriptor.Uuid)
{
if (element.ElementType == ElementType.Uuid16)
{
WriteUInt16(element, (UInt16)element.Value, buf, ref offset, out totalLength);
}
else if (element.ElementType == ElementType.Uuid32)
{
WriteUInt32(element, (UInt32)element.Value, buf, ref offset, out totalLength);
}
else
{
//TODO If the 'Guid' holds a 'Bluetooth-based' UUID, then should we write the short form?
byte[] bytes;
System.Diagnostics.Debug.Assert(element.ElementType == ElementType.Uuid128);
Guid hostGuid = (Guid)element.Value;
Guid netGuid = Sockets.BluetoothListener.HostToNetworkOrder(hostGuid);
bytes = netGuid.ToByteArray();
WriteFixedLength(element, bytes, buf, ref offset, out totalLength);
}
//----------------
}
else if (element.ElementTypeDescriptor == ElementTypeDescriptor.Url)
{
Uri uri = element.GetValueAsUri();
String uriString = uri.ToString();
byte[] valueBytes = System.Text.Encoding.ASCII.GetBytes(uriString);
WriteVariableLength(element, valueBytes, buf, ref offset, out totalLength);
//----------------
}
else if (element.ElementTypeDescriptor == ElementTypeDescriptor.TextString)
{
byte[] valueBytes;
String valueString = element.Value as String;
if (valueString != null)
{
valueBytes = System.Text.Encoding.UTF8.GetBytes(valueString);
}
else
{
System.Diagnostics.Debug.Assert(element.Value is byte[]);
valueBytes = (byte[])element.Value;
}
WriteVariableLength(element, valueBytes, buf, ref offset, out totalLength);
//----------------
}
else if (element.ElementTypeDescriptor == ElementTypeDescriptor.Nil)
{
WriteFixedLength(element, new byte[0], buf, ref offset, out totalLength);
//----------------
}
else if (element.ElementTypeDescriptor == ElementTypeDescriptor.Boolean)
{
bool value = (bool)element.Value;
byte[] valueBytes = new byte[1];
valueBytes[0] = value ? (byte)1 : (byte)0;
WriteFixedLength(element, valueBytes, buf, ref offset, out totalLength);
//----------------
}
else
{
totalLength = 0;
}
//
if (totalLength == 0)
{
throw new NotSupportedException(String.Format(System.Globalization.CultureInfo.InvariantCulture,
"Creation of element type '{0}' not implemented.", element.ElementType));
}
return(totalLength);
}
private int CreateElement(ServiceElement element, byte[] buf, int offset)
{
int totalLength;
//
if (element.ElementTypeDescriptor == ElementTypeDescriptor.ElementSequence
|| element.ElementTypeDescriptor == ElementTypeDescriptor.ElementAlternative) {
HeaderWriteState headerState;
int curLen;
curLen = MakeVariableLengthHeader(buf, offset, element.ElementTypeDescriptor, out headerState);
offset += curLen;
foreach (ServiceElement childElement in element.GetValueAsElementList()) {
curLen = CreateElement(childElement, buf, offset);
offset += curLen;
}//for
CompleteHeaderWrite(headerState, buf, offset, out totalLength);
//----------------
} else if (element.ElementTypeDescriptor == ElementTypeDescriptor.UnsignedInteger
|| element.ElementTypeDescriptor == ElementTypeDescriptor.TwosComplementInteger) {
switch (element.ElementType) {
case ElementType.UInt8:
WriteByte(element, (Byte)element.Value, buf, ref offset, out totalLength);
break;
case ElementType.Int8:
WriteSByte(element, (SByte)element.Value, buf, ref offset, out totalLength);
break;
case ElementType.UInt16:
WriteUInt16(element, (UInt16)element.Value, buf, ref offset, out totalLength);
break;
case ElementType.Int16:
WriteInt16(element, (Int16)element.Value, buf, ref offset, out totalLength);
break;
case ElementType.UInt32:
WriteUInt32(element, (UInt32)element.Value, buf, ref offset, out totalLength);
break;
case ElementType.Int32:
WriteInt32(element, (Int32)element.Value, buf, ref offset, out totalLength);
break;
default:
System.Diagnostics.Debug.Fail(String.Format(System.Globalization.CultureInfo.InvariantCulture,
"Unexpected integral type '{0}'.", element.ElementType));
totalLength = 0;
break;
}//switch
//----------------
} else if (element.ElementTypeDescriptor == ElementTypeDescriptor.Uuid) {
if (element.ElementType == ElementType.Uuid16) {
WriteUInt16(element, (UInt16)element.Value, buf, ref offset, out totalLength);
} else if (element.ElementType == ElementType.Uuid32) {
WriteUInt32(element, (UInt32)element.Value, buf, ref offset, out totalLength);
} else {
//TODO If the 'Guid' holds a 'Bluetooth-based' UUID, then should we write the short form?
byte[] bytes;
System.Diagnostics.Debug.Assert(element.ElementType == ElementType.Uuid128);
Guid hostGuid = (Guid)element.Value;
Guid netGuid = Sockets.BluetoothListener.HostToNetworkOrder(hostGuid);
bytes = netGuid.ToByteArray();
WriteFixedLength(element, bytes, buf, ref offset, out totalLength);
}
//----------------
} else if (element.ElementTypeDescriptor == ElementTypeDescriptor.Url) {
Uri uri = element.GetValueAsUri();
String uriString = uri.ToString();
byte[] valueBytes = System.Text.Encoding.ASCII.GetBytes(uriString);
WriteVariableLength(element, valueBytes, buf, ref offset, out totalLength);
//----------------
} else if (element.ElementTypeDescriptor == ElementTypeDescriptor.TextString) {
byte[] valueBytes;
String valueString = element.Value as String;
if (valueString != null) {
valueBytes = System.Text.Encoding.UTF8.GetBytes(valueString);
} else {
System.Diagnostics.Debug.Assert(element.Value is byte[]);
valueBytes = (byte[])element.Value;
}
WriteVariableLength(element, valueBytes, buf, ref offset, out totalLength);
//----------------
} else if (element.ElementTypeDescriptor == ElementTypeDescriptor.Nil) {
WriteFixedLength(element, new byte[0], buf, ref offset, out totalLength);
//----------------
} else if (element.ElementTypeDescriptor == ElementTypeDescriptor.Boolean) {
bool value = (bool)element.Value;
byte[] valueBytes = new byte[1];
valueBytes[0] = value ? (byte)1 : (byte)0;
WriteFixedLength(element, valueBytes, buf, ref offset, out totalLength);
//----------------
} else {
totalLength = 0;
}
//
if (totalLength == 0) {
throw new NotSupportedException(String.Format(System.Globalization.CultureInfo.InvariantCulture,
"Creation of element type '{0}' not implemented.", element.ElementType));
}
return totalLength;
}
