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Attribute

Struct Attribute 

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pub struct Attribute {
    pub type_code: u32,
    pub length: u32,
    pub non_resident: bool,
    pub name: Option<String>,
    pub flags: u16,
    pub attribute_id: u16,
    pub offset: usize,
    pub body: AttributeBody,
}
Expand description

A parsed MFT attribute (common header + body discriminant).

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§type_code: u32

Attribute type code (e.g. 0x80 for $DATA).

§length: u32

Total on-disk length of this attribute, including its header.

§non_resident: bool

true when the value is stored out-of-line via a runlist.

§name: Option<String>

Decoded attribute name (e.g. an ADS stream name), or None when unnamed.

§flags: u16

Attribute flags (compressed / encrypted / sparse).

§attribute_id: u16

Attribute id, unique within the record.

§offset: usize

Byte offset of this attribute within the record.

§body: AttributeBody

Resident or non-resident body.

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impl Attribute

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pub fn is_compressed(&self) -> bool

true if the attribute is compressed.

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pub fn compression_unit(&self) -> u16

The compression-unit size as a power of two clusters (NTFS 2^n; 0 means no compression unit / resident). A compressed $DATA stores its data in 2^compression_unit-cluster units.

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pub fn is_encrypted(&self) -> bool

true if the attribute is encrypted (EFS).

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pub fn is_sparse(&self) -> bool

true if the attribute is sparse.

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pub fn type_name(&self) -> Option<&'static str>

Canonical $NAME of this attribute type, if known.

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pub fn resident_content<'a>(&self, record: &'a [u8]) -> Option<&'a [u8]>

For a resident attribute, its value bytes within record. Returns None for non-resident attributes or if the slice is out of bounds.

Trait Implementations§

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impl Clone for Attribute

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fn clone(&self) -> Attribute

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 Attribute

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

Formats the value using the given formatter. Read more
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impl Eq for Attribute

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impl PartialEq for Attribute

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fn eq(&self, other: &Attribute) -> bool

Tests for self and other values to be equal, and is used by ==.
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl StructuralPartialEq for Attribute

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> 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.