Finder class abstract
Searches a component tree and returns nodes that match a particular pattern.
- Implementers
Constructors
- Finder()
Properties
-
allCandidates
→ Iterable<
Element> -
Returns all the
Elements that will be considered by this finder.no setter - description → String
-
Describes what the finder is looking for. The description should be
a brief English noun phrase describing the finder's pattern.
no setter
- first → Finder
-
Returns a variant of this finder that only matches the first element
matched by this finder.
no setter
- hashCode → int
-
The hash code for this object.
no setterinherited
- last → Finder
-
Returns a variant of this finder that only matches the last element
matched by this finder.
no setter
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
apply(
Iterable< Element> candidates) → Iterable<Element> - Returns all the elements in the given list that match this finder's pattern.
-
at(
int index) → Finder - Returns a variant of this finder that only matches the element at the given index matched by this finder.
-
evaluate(
) → Iterable< Element> - Returns the current result. If precache was called and returned true, this will cheaply return the result that was computed then. Otherwise, it creates a new iterable to compute the answer.
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
precache(
) → bool - Attempts to evaluate the finder. Returns whether any elements in the tree matched the finder. If any did, then the result is cached and can be obtained from evaluate.
-
toString(
) → String -
A string representation of this object.
override
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited