link_preview::preview

Struct LinkPreview

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pub struct LinkPreview {
    pub title: Option<String>,
    pub description: Option<String>,
    pub domain: Option<String>,
    pub image_url: Option<Url>,
}
Expand description

Represents a link preview, which contains metadata about a web page

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§title: Option<String>§description: Option<String>§domain: Option<String>§image_url: Option<Url>

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impl LinkPreview

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pub fn image_url_str(&self) -> Option<String>

Retrieves the String representation of image_url Url instance

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pub fn find_first_domain(html: &Html) -> Option<String>

Attempts to find the description of the page in the following order:

  • Document’s <link rel="canonical" /> element's href` attribute
  • OpenGraphTag’s image meta tag (og:image)
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pub fn find_first_image_url(html: &Html) -> Option<Url>

Attempts to find the description of the page in the following order:

  • OpenGraphTag’s image meta tag (og:image)
  • Document’s <link rel="image_url" /> element's href` attribute
  • Twitter Card’s image meta tag (twitter:image)
  • Schema.org image meta tag (image)
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pub fn find_first_description(html: &Html) -> Option<String>

Attempts to find the description of the page in the following order:

  • OpenGraphTag’s description meta tag (og:description)
  • Twitter Card’s description meta tag (twitter:description)
  • Schema.org description meta tag (description)
  • Description meta tag (description)
  • The first p element from the document
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pub fn find_first_title(html: &Html) -> Option<String>

Attempts to find the title of the page in the following order:

  • OpenGraphTag’s title meta tag (og:title)
  • Twitter Card’s title meta tag (twitter:title)
  • Schema.org title meta tag (title)
  • The HTML’s document title
  • The first <h1> tag in the document
  • The first <h2> tag in the document

Trait Implementations§

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impl Clone for LinkPreview

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fn clone(&self) -> LinkPreview

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

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

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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 From<&Html> for LinkPreview

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fn from(html: &Html) -> Self

Converts to this type from the input type.
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impl From<Html> for LinkPreview

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fn from(html: Html) -> Self

Converts to this type from the input type.
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impl FromStr for LinkPreview

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type Err = Error

The associated error which can be returned from parsing.
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fn from_str(html: &str) -> Result<Self, Self::Err>

Parses a string s to return a value of this type. 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 = 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.
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impl<T> ErasedDestructor for T
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