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ResolveFullPath

Struct ResolveFullPath 

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pub struct ResolveFullPath { /* private fields */ }
Expand description

An owned, marshalable parameter set for GetFullPathNameW.

§Example

use windows_namespace_request_sys::full_path::ResolveFullPath;
use wtf_string::Wtf16String;

// Lexical: `.` and `..` are resolved without touching the filesystem.
let resolved = ResolveFullPath::new(Wtf16String::from(r"C:\Windows\System32\..\.\Temp"))
    .perform()?
    .to_string_lossy();

assert_eq!(resolved, r"C:\Windows\Temp");

§Example: it does not check existence

use windows_namespace_request_sys::full_path::ResolveFullPath;
use wtf_string::Wtf16String;

// A path to nothing resolves perfectly happily, because the call is
// lexical. A consumer wanting a verified path wants an open plus
// GetFinalPathNameByHandleW instead.
let resolved = ResolveFullPath::new(Wtf16String::from(r"C:\no-such-directory\..\file.txt"))
    .perform()?
    .to_string_lossy();

assert_eq!(resolved, r"C:\file.txt");

Implementations§

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impl ResolveFullPath

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pub fn new(path: Wtf16String) -> Self

Begins a request to resolve path.

Takes a raw path rather than a crate::path::PreparedPath, because preparation is what this call performs. Handing it an already-prepared path would be resolving twice.

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pub fn path(&self) -> &Wtf16Str

The path this request will resolve.

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pub fn perform(&self) -> Result<Wtf16String, FullPathError>

Performs the call on the calling thread, growing the buffer as needed.

Resolution happens against the current directory of whichever thread performs this, which is the one thing a caller must keep in mind: a request built on a submitter and performed on a worker resolves against the process current directory as it stands at performance time. crate::path::prepare is the function for pinning that at construction.

§Errors

Returns FullPathError::Win32 with the raw Win32 code, unaltered, or FullPathError::Unstable if the required size kept changing.

Trait Implementations§

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impl Clone for ResolveFullPath

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fn clone(&self) -> ResolveFullPath

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 ResolveFullPath

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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 Request for ResolveFullPath

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type Error = FullPathError

How performing it can fail. Read more
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type Output = WtfString<Wtf16>

What performing the request produces.
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fn perform(&self) -> Result<Wtf16String, FullPathError>

Performs the request on the calling thread. Read more

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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 = !

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.