/// <summary>
/// Decodes the value of the current TLV as an RelativeOid.
/// Throws an exception in case of a format mismatch.
/// </summary>
/// <returns>An array of integers containing the subidentifiers of the RelativeOid value of the current TLV.</returns>
public int[] GetRelativeOid()
{
if (IsContainer)
{
ThrowError(207, "Invalid RelativeOid encoding");
}
Debug.Assert(Value != null || Length == 0);
Debug.Assert(Type == BerType.RelativeOid || BerType.IsApplicationDefined(Type));
var input = new BerMemoryInput(Value);
return(BerEncoding.DecodeRelativeOid(input, Length));
}
/// <summary>
/// Decodes the value of the current TLV a 64bit integer.
/// Throws an exception in case of a format mismatch.
/// </summary>
/// <returns>The integer value of the current TLV.</returns>
public long GetLong()
{
if (IsContainer || Length == 0 || Value == null)
{
ThrowError(203, "Invalid Integer encoding");
}
Debug.Assert(Value != null || Length == 0);
Debug.Assert(Type == BerType.Integer || BerType.IsApplicationDefined(Type));
var input = new BerMemoryInput(Value);
return(BerEncoding.DecodeLong(input, Length));
}
/// <summary>
/// Decodes the value of the current TLV as an GeneralizedTime represented
/// as a DateTime structure.
/// Throws an exception in case of a format mismatch.
/// </summary>
/// <returns>DateTime value containing the GeneralizedTime value of the current TLV.</returns>
public DateTime GetGeneralizedTime()
{
if (IsContainer || Length == 0 || Value == null)
{
ThrowError(208, "Invalid GeneralizedTime encoding");
}
Debug.Assert(Value != null || Length == 0);
Debug.Assert(Type == BerType.GeneralizedTime || BerType.IsApplicationDefined(Type));
var input = new BerMemoryInput(Value);
return(BerEncoding.DecodeGeneralizedTime(input, Length));
}
/// <summary>
/// Decodes the value of the current TLV as an OBJECT IDENTIFIER represented
/// as an integer array, each integer containing one sub-identifier.
/// Throws an exception in case of a format mismatch.
/// </summary>
/// <returns>Integer array containing the OBJECT IDENTIFIER value of the current TLV.</returns>
public int[] GetObjectIdentifier()
{
if (IsContainer || Length == 0 || Value == null)
{
ThrowError(209, "Invalid ObjectIdentifier encoding");
}
Debug.Assert(Value != null || Length == 0);
Debug.Assert(Type == BerType.ObjectIdentifier || BerType.IsApplicationDefined(Type));
var input = new BerMemoryInput(Value);
return(BerEncoding.DecodeObjectIdentifier(input, Length));
}
/// <summary>
/// Decodes the value of the current TLV as an octet string (byte array).
/// Throws an exception in case of a format mismatch.
/// </summary>
/// <returns>Byte array containing the OCTET STRING value of the current TLV.</returns>
public byte[] GetOctetString()
{
if (IsContainer)
{
ThrowError(206, "Invalid OctetString encoding");
}
Debug.Assert(Value != null || Length == 0);
Debug.Assert(Type == BerType.OctetString || BerType.IsApplicationDefined(Type));
var input = new BerMemoryInput(Value);
return(BerEncoding.DecodeByteArray(input, Length));
}
/// <summary>
/// Decodes the value of the current TLV an UTF-8 string.
/// Throws an exception in case of a format mismatch.
/// </summary>
/// <returns>The string value of the current TLV.</returns>
public string GetString()
{
if (IsContainer)
{
ThrowError(205, "Invalid String encoding");
}
Debug.Assert(Value != null || Length == 0);
Debug.Assert(Type == BerType.UTF8String || Type == BerType.Bitstring || BerType.IsApplicationDefined(Type));
var input = new BerMemoryInput(Value);
return(BerEncoding.DecodeUtf8String(input, Length));
}
/// <summary>
/// Decodes the value of the current TLV as boolean.
/// Throws an exception in case of a format mismatch.
/// </summary>
/// <returns>The boolean value of the current TLV.</returns>
public bool GetBoolean()
{
if (IsContainer || Length == 0 || Value == null)
{
ThrowError(201, "Invalid Boolean encoding");
}
Debug.Assert(Value != null || Length == 0);
Debug.Assert(Type == BerType.Boolean || BerType.IsApplicationDefined(Type));
var input = new BerMemoryInput(Value);
return(BerEncoding.DecodeBoolean(input));
}
void AssertCodecSanity(EmberNode ember)
{
var originalXml = GetXml(ember);
var output = new BerMemoryOutput();
ember.Encode(output);
var input = new BerMemoryInput(output.Memory);
var reader = new EmberReader(input);
var decoded = EmberNode.Decode(reader, new GlowApplicationInterface());
var decodedXml = GetXml(decoded);
if(originalXml != decodedXml)
throw new Exception("Codec error!");
}
/// <summary>
/// Decodes the value of the current TLV a 64bit integer.
/// Throws an exception in case of a format mismatch.
/// </summary>
/// <returns>The integer value of the current TLV.</returns>
public long GetLong()
{
if(IsContainer || Length == 0 || Value == null)
ThrowError(203, "Invalid Integer encoding");
Debug.Assert(Value != null || Length == 0);
Debug.Assert(Type == BerType.Integer || BerType.IsApplicationDefined(Type));
var input = new BerMemoryInput(Value);
return BerEncoding.DecodeLong(input, Length);
}
/// <summary>
/// Decodes the value of the current TLV as an GeneralizedTime represented
/// as a DateTime structure.
/// Throws an exception in case of a format mismatch.
/// </summary>
/// <returns>DateTime value containing the GeneralizedTime value of the current TLV.</returns>
public DateTime GetGeneralizedTime()
{
if(IsContainer || Length == 0 || Value == null)
ThrowError(208, "Invalid GeneralizedTime encoding");
Debug.Assert(Value != null || Length == 0);
Debug.Assert(Type == BerType.GeneralizedTime || BerType.IsApplicationDefined(Type));
var input = new BerMemoryInput(Value);
return BerEncoding.DecodeGeneralizedTime(input, Length);
}
/// <summary>
/// Decodes the value of the current TLV as boolean.
/// Throws an exception in case of a format mismatch.
/// </summary>
/// <returns>The boolean value of the current TLV.</returns>
public bool GetBoolean()
{
if(IsContainer || Length == 0 || Value == null)
ThrowError(201, "Invalid Boolean encoding");
Debug.Assert(Value != null || Length == 0);
Debug.Assert(Type == BerType.Boolean || BerType.IsApplicationDefined(Type));
var input = new BerMemoryInput(Value);
return BerEncoding.DecodeBoolean(input);
}
public static object[] Decode(string format, IList<byte> data)
{
var input = new BerMemoryInput(data);
var objects = new List<object>();
for(int charIndex = 0; charIndex < format.Length; charIndex++)
{
var ch = format[charIndex];
switch(ch)
{
case '{':
DecodeHeader(input, TypeTags.Sequence);
break;
case '}':
{
if(input.ReadByte() != 0)
throw new BerException(4002, "Expected terminator");
if(input.ReadByte() != 0)
throw new BerException(4002, "Expected terminator");
break;
}
case 'b':
{
DecodeHeader(input, TypeTags.Boolean);
objects.Add(BerEncoding.DecodeBoolean(input));
break;
}
case 'i':
case 'd':
{
var valueLength = DecodeHeader(input, TypeTags.Integer);
objects.Add(BerEncoding.DecodeInteger(input, valueLength));
break;
}
case 'l':
case 't':
{
var valueLength = DecodeHeader(input, TypeTags.Integer);
objects.Add(BerEncoding.DecodeLong(input, valueLength));
break;
}
case 's':
{
var valueLength = DecodeHeader(input, TypeTags.UTF8String);
objects.Add(BerEncoding.DecodeUtf8String(input, valueLength));
break;
}
case 'y':
{
var valueLength = DecodeHeader(input, TypeTags.OctetString);
objects.Add(BerEncoding.DecodeByteArray(input, valueLength));
break;
}
case 'f':
case 'r':
{
var valueLength = DecodeHeader(input, TypeTags.Real);
objects.Add(BerEncoding.DecodeReal(input, valueLength));
break;
}
case 'o':
{
var valueLength = DecodeHeader(input, TypeTags.RelativeOid);
objects.Add(BerEncoding.DecodeRelativeOid(input, valueLength));
break;
}
case 'g':
{
var valueLength = DecodeHeader(input, TypeTags.GeneralizedTime);
objects.Add(BerEncoding.DecodeGeneralizedTime(input, valueLength));
break;
}
}
}
return objects.ToArray();
}
/// <summary>
/// Decodes the value of the current TLV as an RelativeOid.
/// Throws an exception in case of a format mismatch.
/// </summary>
/// <returns>An array of integers containing the subidentifiers of the RelativeOid value of the current TLV.</returns>
public int[] GetRelativeOid()
{
if(IsContainer)
ThrowError(207, "Invalid RelativeOid encoding");
Debug.Assert(Value != null || Length == 0);
Debug.Assert(Type == BerType.RelativeOid || BerType.IsApplicationDefined(Type));
var input = new BerMemoryInput(Value);
return BerEncoding.DecodeRelativeOid(input, Length);
}
void Test_DOM()
{
Console.WriteLine("\r\n------------------------ DOM");
EmberContainer container1;
EmberContainer frame = new EmberFrame();
container1 = new EmberSet(new BerTag(DefaultClass, 0));
container1.Insert(new BerTag(DefaultClass, 0), -1);
container1.Insert(new BerTag(DefaultClass, 1), 128);
container1.Insert(new BerTag(DefaultClass, 2), -128);
container1.Insert(new BerTag(DefaultClass, 3), 255);
container1.Insert(new BerTag(DefaultClass, 4), -255);
container1.Insert(new BerTag(DefaultClass, 5), 12345);
container1.Insert(new BerTag(DefaultClass, 6), -12345);
container1.Insert(new BerTag(DefaultClass, 7), 16384);
container1.Insert(new BerTag(DefaultClass, 8), -16384);
container1.Insert(new BerTag(DefaultClass, 9), 65535);
container1.Insert(new BerTag(DefaultClass, 10), -65535);
container1.Insert(new BerTag(DefaultClass, 11), 0);
container1.Insert(new BerTag(DefaultClass, 12), 127);
container1.Insert(new BerTag(DefaultClass, 13), -127);
container1.Insert(new BerTag(DefaultClass, 1111222), 0xFFFFFFFF);
container1.InsertOid(new BerTag(DefaultClass, 14), new int[] { 1, 3, 6, 0 });
container1.InsertOid(new BerTag(DefaultClass, 15), new int[] { 1 });
container1.InsertRelativeOid(new BerTag(DefaultClass, 16), new int[] { 1, 2, 3, 4, 5, 6 });
frame.Insert(container1);
container1 = new EmberSequence(new BerTag(DefaultClass, 1));
container1.Insert(new BerTag(DefaultClass, 3), -0.54321);
container1.Insert(new BerTag(DefaultClass, 5), "Wuppdich");
var appDefined = EmberApplicationInterface.CreateApplicationDefinedSequence(new BerTag(BerClass.Application, 889), 2, container1);
appDefined.Insert(new BerTag(DefaultClass, 100), true);
frame.Insert(container1);
var xml1 = GetXml(frame);
var output = new BerMemoryOutput();
frame.Encode(output);
var memory = output.ToArray();
using(var stream = new FileStream(@"N:\Temp\test.ber", FileMode.Create, FileAccess.Write))
stream.Write(memory, 0, memory.Length);
var input = new BerMemoryInput(memory);
var stopwatch = new Stopwatch();
stopwatch.Start();
var asyncReader = new AsyncFrameReader(this);
asyncReader.ReadBytes(output.Memory);
var loadedFrame = asyncReader.DetachRoot();
stopwatch.Stop();
Console.WriteLine("load tree: {0}ms", stopwatch.ElapsedMilliseconds);
var xml2 = GetXml(loadedFrame);
Console.WriteLine(xml1);
Console.WriteLine(xml2);
Debug.Assert(xml1 == xml2);
}
public static object[] Decode(string format, IList <byte> data)
{
var input = new BerMemoryInput(data);
var objects = new List <object>();
for (int charIndex = 0; charIndex < format.Length; charIndex++)
{
var ch = format[charIndex];
switch (ch)
{
case '{':
DecodeHeader(input, TypeTags.Sequence);
break;
case '}':
{
if (input.ReadByte() != 0)
{
throw new BerException(4002, "Expected terminator");
}
if (input.ReadByte() != 0)
{
throw new BerException(4002, "Expected terminator");
}
break;
}
case 'b':
{
DecodeHeader(input, TypeTags.Boolean);
objects.Add(BerEncoding.DecodeBoolean(input));
break;
}
case 'i':
case 'd':
{
var valueLength = DecodeHeader(input, TypeTags.Integer);
objects.Add(BerEncoding.DecodeInteger(input, valueLength));
break;
}
case 'l':
case 't':
{
var valueLength = DecodeHeader(input, TypeTags.Integer);
objects.Add(BerEncoding.DecodeLong(input, valueLength));
break;
}
case 's':
{
var valueLength = DecodeHeader(input, TypeTags.UTF8String);
objects.Add(BerEncoding.DecodeUtf8String(input, valueLength));
break;
}
case 'y':
{
var valueLength = DecodeHeader(input, TypeTags.OctetString);
objects.Add(BerEncoding.DecodeByteArray(input, valueLength));
break;
}
case 'f':
case 'r':
{
var valueLength = DecodeHeader(input, TypeTags.Real);
objects.Add(BerEncoding.DecodeReal(input, valueLength));
break;
}
case 'o':
{
var valueLength = DecodeHeader(input, TypeTags.RelativeOid);
objects.Add(BerEncoding.DecodeRelativeOid(input, valueLength));
break;
}
case 'g':
{
var valueLength = DecodeHeader(input, TypeTags.GeneralizedTime);
objects.Add(BerEncoding.DecodeGeneralizedTime(input, valueLength));
break;
}
}
}
return(objects.ToArray());
}
/// <summary>
/// Decodes the value of the current TLV as an OBJECT IDENTIFIER represented
/// as an integer array, each integer containing one sub-identifier.
/// Throws an exception in case of a format mismatch.
/// </summary>
/// <returns>Integer array containing the OBJECT IDENTIFIER value of the current TLV.</returns>
public int[] GetObjectIdentifier()
{
if(IsContainer || Length == 0 || Value == null)
ThrowError(209, "Invalid ObjectIdentifier encoding");
Debug.Assert(Value != null || Length == 0);
Debug.Assert(Type == BerType.ObjectIdentifier || BerType.IsApplicationDefined(Type));
var input = new BerMemoryInput(Value);
return BerEncoding.DecodeObjectIdentifier(input, Length);
}
/// <summary>
/// Decodes the value of the current TLV as an octet string (byte array).
/// Throws an exception in case of a format mismatch.
/// </summary>
/// <returns>Byte array containing the OCTET STRING value of the current TLV.</returns>
public byte[] GetOctetString()
{
if(IsContainer)
ThrowError(206, "Invalid OctetString encoding");
Debug.Assert(Value != null || Length == 0);
Debug.Assert(Type == BerType.OctetString || BerType.IsApplicationDefined(Type));
var input = new BerMemoryInput(Value);
return BerEncoding.DecodeByteArray(input, Length);
}
void Test_Real()
{
var values = new[] { 32.1, 32.125, 32.123, 100, 200, 300, -1000, 5.5005005, 777777777.123456789 };
foreach(var value in values)
{
var output = new BerMemoryOutput();
BerEncoding.EncodeReal(output, value);
var input = new BerMemoryInput(output.Memory);
var decodedValue = BerEncoding.DecodeReal(input, output.Length);
Console.WriteLine("value={0} decoded={1}", value, decodedValue);
}
}
/// <summary>
/// Decodes the value of the current TLV an UTF-8 string.
/// Throws an exception in case of a format mismatch.
/// </summary>
/// <returns>The string value of the current TLV.</returns>
public string GetString()
{
if(IsContainer)
ThrowError(205, "Invalid String encoding");
Debug.Assert(Value != null || Length == 0);
Debug.Assert(Type == BerType.UTF8String || Type == BerType.Bitstring || BerType.IsApplicationDefined(Type));
var input = new BerMemoryInput(Value);
return BerEncoding.DecodeUtf8String(input, Length);
}
void Test_Real2()
{
var encoded = new byte[] { 0xC0, 0x04, 0xDF };
var input = new BerMemoryInput(encoded);
var decoded = BerEncoding.DecodeReal(input, encoded.Length);
Console.WriteLine("decoded={0}", decoded);
var output = new BerMemoryOutput();
var reencoded = BerEncoding.EncodeReal(output, decoded);
var bytes = output.ToArray();
Console.WriteLine("reencoded={0}", BytesToString(bytes));
}
