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BTreeV2Record

Enum BTreeV2Record 

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pub enum BTreeV2Record {
Show 13 variants HugeIndirectNonFiltered { address: u64, length: u64, object_id: u64, }, HugeIndirectFiltered { address: u64, filtered_length: u64, filter_mask: u32, memory_length: u64, object_id: u64, }, HugeDirectNonFiltered { address: u64, length: u64, }, HugeDirectFiltered { address: u64, filtered_length: u64, filter_mask: u32, memory_length: u64, }, LinkNameHash { hash: u32, heap_id: Vec<u8>, }, CreationOrder { order: u64, heap_id: Vec<u8>, }, AttributeNameHash { hash: u32, flags: u8, creation_order: u32, heap_id: Vec<u8>, }, AttributeCreationOrder { order: u32, heap_id: Vec<u8>, }, ChunkedNonFiltered { address: u64, offsets: Vec<u64>, }, ChunkedFiltered { address: u64, chunk_size: u64, filter_mask: u32, offsets: Vec<u64>, }, SharedMessageHeap { hash: u32, reference_count: u32, heap_id: Vec<u8>, }, SharedMessageObjectHeader { hash: u32, message_type: u16, object_header_index: u16, object_header_address: u64, }, Unknown { record_type: u8, data: Vec<u8>, },
}
Expand description

A record from a B-tree v2.

The record format depends on the B-tree type field in the header.

Variants§

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HugeIndirectNonFiltered

Type 1: indirectly accessed, non-filtered huge fractal heap object.

Fields

§address: u64
§length: u64
§object_id: u64
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HugeIndirectFiltered

Type 2: indirectly accessed, filtered huge fractal heap object.

Fields

§address: u64
§filtered_length: u64
§filter_mask: u32
§memory_length: u64
§object_id: u64
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HugeDirectNonFiltered

Type 3: directly accessed, non-filtered huge fractal heap object.

Fields

§address: u64
§length: u64
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HugeDirectFiltered

Type 4: directly accessed, filtered huge fractal heap object.

Fields

§address: u64
§filtered_length: u64
§filter_mask: u32
§memory_length: u64
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LinkNameHash

Type 5: Link name for indexed group (hashed).

Fields

§hash: u32
§heap_id: Vec<u8>
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CreationOrder

Type 6: Creation order for indexed group.

Fields

§order: u64
§heap_id: Vec<u8>
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AttributeNameHash

Type 8: Attribute name for indexed group (hashed).

Fields

§hash: u32
§flags: u8
§creation_order: u32
§heap_id: Vec<u8>
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AttributeCreationOrder

Type 9: Attribute creation order.

Fields

§order: u32
§heap_id: Vec<u8>
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ChunkedNonFiltered

Type 10: Non-filtered chunked dataset record (v2 chunk index).

Fields

§address: u64
§offsets: Vec<u64>
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ChunkedFiltered

Type 11: Filtered chunked dataset record (v2 chunk index).

Fields

§address: u64
§chunk_size: u64
§filter_mask: u32
§offsets: Vec<u64>
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SharedMessageHeap

Type 7: shared object-header message stored in the SOHM heap.

Fields

§hash: u32
§reference_count: u32
§heap_id: Vec<u8>
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SharedMessageObjectHeader

Type 7: shared object-header message stored in an object header.

Fields

§hash: u32
§message_type: u16
§object_header_index: u16
§object_header_address: u64
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Unknown

Unknown/unsupported record type — raw bytes preserved.

Fields

§record_type: u8
§data: Vec<u8>

Trait Implementations§

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impl Clone for BTreeV2Record

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fn clone(&self) -> BTreeV2Record

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for BTreeV2Record

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> Pointable for T

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const ALIGN: usize

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.