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StripTarget

Struct StripTarget 

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pub struct StripTarget {
    pub target: String,
}
Expand description

Removes nodes that are targeted at an output that does not match the current render target.

Rules applied to every Node::Component:

Component name / attributetarget="web"target="print"
target="web" attrkeptremoved
target="print" attrremovedkept
target="all" or absentkeptkept
Name == WebOnlykeptremoved
Name == PrintOnlyremovedkept

The component is removed by filtering it out of its parent’s children vector. All other node types are kept and recursed into.

§Example

use rdx_transform::{StripTarget, Transform, parse};

let mut root = parse("<WebOnly>\nweb content\n</WebOnly>\n<PrintOnly>\nprint\n</PrintOnly>\n");
StripTarget { target: "web".into() }.transform(&mut root, "");
// Only the WebOnly component remains.
assert_eq!(root.children.len(), 1);

Fields§

§target: String

The current output target, e.g. "web" or "print".

Trait Implementations§

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impl Transform for StripTarget

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fn name(&self) -> &str

A short identifier for this transform (used in error messages / debugging).
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fn transform(&self, root: &mut Root, _source: &str)

Apply the transform to the AST. source is the original document text, available for transforms that need to reference raw content.

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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> ArchivePointee for T

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type ArchivedMetadata = ()

The archived version of the pointer metadata for this type.
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fn pointer_metadata( _: &<T as ArchivePointee>::ArchivedMetadata, ) -> <T as Pointee>::Metadata

Converts some archived metadata to the pointer metadata for itself.
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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> 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> LayoutRaw for T

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fn layout_raw(_: <T as Pointee>::Metadata) -> Result<Layout, LayoutError>

Returns the layout of the type.
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impl<T, N1, N2> Niching<NichedOption<T, N1>> for N2
where T: SharedNiching<N1, N2>, N1: Niching<T>, N2: Niching<T>,

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unsafe fn is_niched(niched: *const NichedOption<T, N1>) -> bool

Returns whether the given value has been niched. Read more
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fn resolve_niched(out: Place<NichedOption<T, N1>>)

Writes data to out indicating that a T is niched.
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impl<T> Pointee for T

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type Metadata = ()

The metadata type for pointers and references to this type.
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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.