internal UserAttributeSubpacket(
UserAttributeSubpacketTag type,
byte[] data)
{
this.type = type;
this.data = data;
}
internal UserAttributeSubpacket(
UserAttributeSubpacketTag type,
byte[] data)
{
this.type = type;
this.data = data;
}
public IEnumerable<IUserAttributeSubpacket> GetSubpackets(UserAttributeSubpacketTag type)
{
for (var i = 0; i != _packets.Length; i++)
{
if (_packets[i].SubpacketType == type)
yield return _packets[i];
}
}
public ExperimentalAttribute(UserAttributeSubpacketTag tag, byte[] data)
: base(tag, data)
{
if (tag < UserAttributeSubpacketTag.Experimental_1 || tag > UserAttributeSubpacketTag.Experimental_11)
{
throw new ArgumentException(@"tag must be one of the experimental tags.", "tag");
}
}
public IEnumerable <IUserAttributeSubpacket> GetSubpackets(UserAttributeSubpacketTag type)
{
for (var i = 0; i != _packets.Length; i++)
{
if (_packets[i].SubpacketType == type)
{
yield return(_packets[i]);
}
}
}
public UserAttributeSubpacket GetSubpacket(UserAttributeSubpacketTag type)
{
for (int i = 0; i != packets.Length; i++)
{
if (packets[i].SubpacketType == type)
{
return(packets[i]);
}
}
return(null);
}
public virtual UserAttributeSubpacket ReadPacket()
{
int l = input.ReadByte();
if (l < 0)
{
return(null);
}
int bodyLen = 0;
bool longLength = false;
if (l < 192)
{
bodyLen = l;
}
else if (l <= 223)
{
bodyLen = ((l - 192) << 8) + (input.ReadByte()) + 192;
}
else if (l == 255)
{
bodyLen = (input.ReadByte() << 24) | (input.ReadByte() << 16)
| (input.ReadByte() << 8) | input.ReadByte();
longLength = true;
}
else
{
throw new IOException("unrecognised length reading user attribute sub packet");
}
int tag = input.ReadByte();
if (tag < 0)
{
throw new EndOfStreamException("unexpected EOF reading user attribute sub packet");
}
byte[] data = new byte[bodyLen - 1];
if (Streams.ReadFully(input, data) < data.Length)
{
throw new EndOfStreamException();
}
UserAttributeSubpacketTag type = (UserAttributeSubpacketTag)tag;
switch (type)
{
case UserAttributeSubpacketTag.ImageAttribute:
return(new ImageAttrib(longLength, data));
}
return(new UserAttributeSubpacket(type, longLength, data));
}
public UserAttributeSubpacket GetSubpacket(
UserAttributeSubpacketTag type)
{
for (int i = 0; i != packets.Length; i++)
{
if (packets[i].SubpacketType == type)
{
return packets[i];
}
}
return null;
}
public virtual UserAttributeSubpacket ReadPacket()
{
//IL_0091: Unknown result type (might be due to invalid IL or missing references)
//IL_00ac: Unknown result type (might be due to invalid IL or missing references)
//IL_00cf: Unknown result type (might be due to invalid IL or missing references)
int num = input.ReadByte();
if (num < 0)
{
return(null);
}
int num2 = 0;
bool forceLongLength = false;
if (num < 192)
{
num2 = num;
}
else if (num <= 223)
{
num2 = (num - 192 << 8) + input.ReadByte() + 192;
}
else
{
if (num != 255)
{
throw new IOException("unrecognised length reading user attribute sub packet");
}
num2 = (input.ReadByte() << 24) | (input.ReadByte() << 16) | (input.ReadByte() << 8) | input.ReadByte();
forceLongLength = true;
}
int num3 = input.ReadByte();
if (num3 < 0)
{
throw new EndOfStreamException("unexpected EOF reading user attribute sub packet");
}
byte[] array = new byte[num2 - 1];
if (Streams.ReadFully(input, array) < array.Length)
{
throw new EndOfStreamException();
}
UserAttributeSubpacketTag userAttributeSubpacketTag = (UserAttributeSubpacketTag)num3;
UserAttributeSubpacketTag userAttributeSubpacketTag2 = userAttributeSubpacketTag;
if (userAttributeSubpacketTag2 == UserAttributeSubpacketTag.ImageAttribute)
{
return(new ImageAttrib(forceLongLength, array));
}
return(new UserAttributeSubpacket(userAttributeSubpacketTag, forceLongLength, array));
}
public virtual UserAttributeSubpacket ReadPacket()
{
int num = this.input.ReadByte();
if (num < 0)
{
return(null);
}
bool forceLongLength = false;
int num2;
if (num < 192)
{
num2 = num;
}
else if (num <= 223)
{
num2 = (num - 192 << 8) + this.input.ReadByte() + 192;
}
else
{
if (num != 255)
{
throw new IOException("unrecognised length reading user attribute sub packet");
}
num2 = (this.input.ReadByte() << 24 | this.input.ReadByte() << 16 | this.input.ReadByte() << 8 | this.input.ReadByte());
forceLongLength = true;
}
int num3 = this.input.ReadByte();
if (num3 < 0)
{
throw new EndOfStreamException("unexpected EOF reading user attribute sub packet");
}
byte[] array = new byte[num2 - 1];
if (Streams.ReadFully(this.input, array) < array.Length)
{
throw new EndOfStreamException();
}
UserAttributeSubpacketTag userAttributeSubpacketTag = (UserAttributeSubpacketTag)num3;
UserAttributeSubpacketTag userAttributeSubpacketTag2 = userAttributeSubpacketTag;
if (userAttributeSubpacketTag2 == UserAttributeSubpacketTag.ImageAttribute)
{
return(new ImageAttrib(forceLongLength, array));
}
return(new UserAttributeSubpacket(userAttributeSubpacketTag, forceLongLength, array));
}
public UserAttributeSubpacket ReadPacket()
{
int l = input.ReadByte();
if (l < 0)
{
return(null);
}
int bodyLen = 0;
if (l < 192)
{
bodyLen = l;
}
else if (l < 223)
{
bodyLen = ((l - 192) << 8) + (input.ReadByte()) + 192;
}
else if (l == 255)
{
bodyLen = (input.ReadByte() << 24) | (input.ReadByte() << 16)
| (input.ReadByte() << 8) | input.ReadByte();
}
int tag = input.ReadByte();
if (tag < 0)
{
throw new EndOfStreamException("unexpected EOF reading user attribute sub packet");
}
byte[] data = new byte[bodyLen - 1];
this.ReadFully(data, 0, data.Length);
UserAttributeSubpacketTag type = (UserAttributeSubpacketTag)tag;
switch (type)
{
case UserAttributeSubpacketTag.ImageAttribute:
return(new ImageAttrib(data));
}
return(new UserAttributeSubpacket(type, data));
}
public static void Register <T>(UserAttributeSubpacketTag tag) where T : UserAttributeSubpacket
{
_userPackets[tag] = typeof(T);
}
public ExperimentalAttribute(UserAttributeSubpacketTag tag, byte[] data)
: base(tag, data)
{
if(tag < UserAttributeSubpacketTag.Experimental_1 || tag > UserAttributeSubpacketTag.Experimental_11)
throw new ArgumentException(@"tag must be one of the experimental tags.", "tag");
}
public IUserAttributeSubpacket GetSubpacket(UserAttributeSubpacketTag type)
{
return(this.GetSubpackets(type).FirstOrDefault());
}
protected internal UserAttributeSubpacket(UserAttributeSubpacketTag type, bool forceLongLength, byte[] data)
{
this.type = type;
this.longLength = forceLongLength;
this.data = data;
}
protected internal UserAttributeSubpacket(UserAttributeSubpacketTag type, byte[] data)
: this(type, false, data)
{
}
public UserAttributeSubpacket(UserAttributeSubpacketTag type, byte[] data)
{
_type = type;
_data = data;
}
public IUserAttributeSubpacket GetSubpacket(UserAttributeSubpacketTag type)
{
return this.GetSubpackets(type).FirstOrDefault();
}
protected internal UserAttributeSubpacket(UserAttributeSubpacketTag type, bool forceLongLength, byte[] data)
{
this.type = type;
this.longLength = forceLongLength;
this.data = data;
}
protected internal UserAttributeSubpacket(UserAttributeSubpacketTag type, byte[] data)
: this(type, false, data)
{
}
public UserAttributeSubpacket(UserAttributeSubpacketTag type, byte[] data)
{
_type = type;
_data = data;
}
