classafPegger::TreeItem

sys::Obj
  afPegger::TreeItem

@Js

Represents an item in a tree structure.

add

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TreeItem add(Str type, Str? matched := null, Obj? data := null)

Creates and adds a TreeItem to the end of the child items. Returns the created TreeItem.

addItem

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TreeItem addItem(TreeItem item)

Adds the TreeItem to the end of the child items and sets the parent. Returns the given TreeItem.

data

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Obj? data

User data.

items

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TreeItem[] items := TreeItem#.emptyList

The child items.

matched

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Str? matched

Any character data matched to this item.

next

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TreeItem? next()

Returns a sibling TreeItem or null if this is the last item in the list.

parent

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TreeItem? parent

The parent item.

prev

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TreeItem? prev()

Returns a sibling TreeItem or null if this is the first item in the list.

toStr

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virtual override Str toStr()

Prints the tree structure.

type

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Str type

The item type.

walk

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Void walk(|TreeItem? enter, |TreeItem? exit)

Walks this item and it's children, calling the given funcs when entering and exiting.