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#
DecideAction

source
pub(all) enum DecideAction {
  Keep
  Drop
  Unwrap
  Empty
  Escape
} derive(Eq, 
Debug)

Action returned by a TransformSpec::decide callback.

Keep leaves the matched node unchanged. The other variants apply the same structural operations as the corresponding selector transforms.

#
TransformSpec

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pub struct TransformSpec {
  // private fields
} derive(
Debug)

A DOM transform specification for apply_transforms.

The current port covers deterministic structural, attribute, callback, URL/style, utility, and sanitizer transforms. Most selector and node-kind transforms also support hook/report callbacks.

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TransformSpec::allow_style_attrs

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fn TransformSpec::allow_style_attrs(selector : StringView, allowed_css_properties~ : Array[String], enabled? : Bool, hook? : (
Node) -> Unit, report? : (String, 
Node?) -> Unit) -> TransformSpec

Build a transform that sanitizes inline style attributes.

#
TransformSpec::allowlist_attrs

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fn TransformSpec::allowlist_attrs(selector : StringView, allowed_attributes : Map[String, Array[String]], enabled? : Bool, hook? : (
Node) -> Unit, report? : (String, 
Node?) -> Unit) -> TransformSpec

Build a transform that keeps only allowed attributes on matching elements.

#
TransformSpec::collapse_whitespace

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fn TransformSpec::collapse_whitespace(skip_tags? : Array[String], enabled? : Bool, hook? : (
Node) -> Unit, report? : (String, 
Node?) -> Unit) -> TransformSpec

Build a transform that collapses runs of HTML whitespace in text nodes.

#
TransformSpec::decide

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fn TransformSpec::decide(selector : StringView, callback : (
Node) -> DecideAction, enabled? : Bool, hook? : (
Node) -> Unit, report? : (String, 
Node?) -> Unit) -> TransformSpec

Build a transform that chooses a structural action for matching nodes.

#
TransformSpec::drop

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fn TransformSpec::drop(selector : StringView, enabled? : Bool, hook? : (
Node) -> Unit, report? : (String, 
Node?) -> Unit) -> TransformSpec

Build a transform that removes elements matching selector.

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TransformSpec::drop_attrs

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fn TransformSpec::drop_attrs(selector : StringView, patterns : Array[String], enabled? : Bool, hook? : (
Node) -> Unit, report? : (String, 
Node?) -> Unit) -> TransformSpec

Build a transform that removes matching attributes from matching elements.

#
TransformSpec::drop_comments

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fn TransformSpec::drop_comments(enabled? : Bool, hook? : (
Node) -> Unit, report? : (String, 
Node?) -> Unit) -> TransformSpec

Build a transform that removes comment nodes.

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TransformSpec::drop_doctype

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fn TransformSpec::drop_doctype(enabled? : Bool, hook? : (
Node) -> Unit, report? : (String, 
Node?) -> Unit) -> TransformSpec

Build a transform that removes doctype nodes.

#
TransformSpec::drop_foreign_namespaces

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fn TransformSpec::drop_foreign_namespaces(enabled? : Bool, hook? : (
Node) -> Unit, report? : (String, 
Node?) -> Unit) -> TransformSpec

Build a transform that removes elements outside the HTML namespace.

#
TransformSpec::drop_url_attrs

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fn TransformSpec::drop_url_attrs(selector : StringView, url_policy~ : 
UrlPolicy, enabled? : Bool, hook? : (
Node) -> Unit, report? : (String, 
Node?) -> Unit) -> TransformSpec

Build a transform that validates URL-valued attributes with url_policy.

#
TransformSpec::edit

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fn TransformSpec::edit(selector : StringView, callback : (
Node) -> Unit, enabled? : Bool, hook? : (
Node) -> Unit, report? : (String, 
Node?) -> Unit) -> TransformSpec

Build a transform that invokes callback for matching elements.

#
TransformSpec::edit_attrs

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fn TransformSpec::edit_attrs(selector : StringView, callback : (
Node) -> Map[String, String?]?, enabled? : Bool, hook? : (
Node) -> Unit, report? : (String, 
Node?) -> Unit) -> TransformSpec

Build a transform that replaces matching element attributes when callback returns a map.

#
TransformSpec::edit_document

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fn TransformSpec::edit_document(callback : (
Node) -> Unit, enabled? : Bool, hook? : (
Node) -> Unit, report? : (String, 
Node?) -> Unit) -> TransformSpec

Build a transform that invokes callback once on the supplied root.

#
TransformSpec::empty

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fn TransformSpec::empty(selector : StringView, enabled? : Bool, hook? : (
Node) -> Unit, report? : (String, 
Node?) -> Unit) -> TransformSpec

Build a transform that removes all children from matching elements.

#
TransformSpec::escape

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fn TransformSpec::escape(selector : StringView, enabled? : Bool, hook? : (
Node) -> Unit, report? : (String, 
Node?) -> Unit) -> TransformSpec

Build a transform that emits matching element tags as text and keeps children.

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TransformSpec::linkify

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fn TransformSpec::linkify(config? : 
LinkifyConfig, skip_tags? : Array[String], enabled? : Bool, hook? : (
Node) -> Unit, report? : (String, 
Node?) -> Unit) -> TransformSpec

Build a transform that linkifies URL and email text nodes.

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TransformSpec::merge_attrs

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fn TransformSpec::merge_attrs(tag : StringView, attr~ : StringView, tokens~ : Array[String], enabled? : Bool, hook? : (
Node) -> Unit, report? : (String, 
Node?) -> Unit) -> TransformSpec

Build a transform that merges tokens into a whitespace-delimited attribute.

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TransformSpec::prune_empty

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fn TransformSpec::prune_empty(selector : StringView, strip_whitespace? : Bool, enabled? : Bool, hook? : (
Node) -> Unit, report? : (String, 
Node?) -> Unit) -> TransformSpec

Build a transform that recursively removes empty matching elements.

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TransformSpec::sanitize

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Build a transform that sanitizes the DOM tree with an optional policy.

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TransformSpec::set_attrs

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fn TransformSpec::set_attrs(selector : StringView, attrs : Map[String, String?], enabled? : Bool, hook? : (
Node) -> Unit, report? : (String, 
Node?) -> Unit) -> TransformSpec

Build a transform that sets or adds attributes on matching elements.

#
TransformSpec::stage

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fn TransformSpec::stage(transforms : Array[TransformSpec], enabled? : Bool, hook? : (
Node) -> Unit, report? : (String, 
Node?) -> Unit) -> TransformSpec

Build an explicit transform stage. Stages split a transform list into separate passes and may report against the current root before the pass.

#
TransformSpec::unwrap

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fn TransformSpec::unwrap(selector : StringView, enabled? : Bool, hook? : (
Node) -> Unit, report? : (String, 
Node?) -> Unit) -> TransformSpec

Build a transform that replaces matching elements with their children.

#
apply_transforms

source

Apply DOM transforms in order.

The transform mutates and returns the current root. Selector transforms process the children of the supplied root, matching the Python constructor-time pipeline where the root is normally a document or document fragment container.

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