Struct pkgutils::Database

source ·
pub struct Database { /* private fields */ }
Expand description

The Database contains a list of all packages that are available for install, as well as a list of all the packages installed on the system. It is used to calculate the dependencies of a package and for checking if a package is installed.

Implementations§

source§

impl Database

The Database contains a list of all packages that are available for install, as well as a list of all the packages installed on the system. It is used to calculate the dependencies of a package and for checking if a package is installed.

source

pub fn open<P: AsRef<Path>>( installed_path: P, pkgdepends: PackageDepends ) -> Self

Opens a database from the specified path.

source

pub fn is_pkg_installed(&self, pkg_name: &str) -> bool

Checks if a package is installed

source

pub fn get_pkg_depends( &self, pkg_name: &str ) -> Result<Vec<String>, DatabaseError>

Retrieves the dependencies of a package that are listed in its manifest file.

source

pub fn calculate_depends( &self, pkg_name: &str, ordered_dependencies: &mut IndexMap<String, ()> ) -> Result<(), DatabaseError>

Calculates the dependencies of the specified package, and appends them to ordered_dependencies.

Trait Implementations§

source§

impl Debug for Database

source§

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

Blanket Implementations§

source§

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

source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
source§

impl<T> Borrow<T> for T
where T: ?Sized,

source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
source§

impl<T> BorrowMut<T> for T
where T: ?Sized,

source§

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

Mutably borrows from an owned value. Read more
source§

impl<T> From<T> for T

source§

fn from(t: T) -> T

Returns the argument unchanged.

source§

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

source§

fn into(self) -> U

Calls U::from(self).

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

source§

impl<T> Same for T

§

type Output = T

Should always be Self
source§

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

§

type Error = Infallible

The type returned in the event of a conversion error.
source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
source§

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

§

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

The type returned in the event of a conversion error.
source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
§

impl<T> Typeable for T
where T: Any,

§

fn get_type(&self) -> TypeId

Get the TypeId of this object.