hxt-9.3.1.15: A collection of tools for processing XML with Haskell.

CopyrightCopyright (C) 2010 Uwe Schmidt
LicenseMIT
MaintainerUwe Schmidt (uwe\@fh-wedel.de)
Stabilityexperimental
Portabilityportable
Safe HaskellSafe
LanguageHaskell98

Data.Tree.NavigatableTree.XPathAxis

Description

Navigatable trees need to have operations to move up, down, left and right. With these elementary operations, the XPath axises can be defined.

Synopsis

Documentation

maybeStar :: (a -> Maybe a) -> a -> [a] Source

collect all trees by moving into one direction, starting tree is included

maybePlus :: (a -> Maybe a) -> a -> [a] Source

collect all trees by moving into one direction, starting tree is not included

parentAxis :: NavigatableTree t => t a -> [t a] Source

XPath axis: parent

ancestorAxis :: NavigatableTree t => t a -> [t a] Source

XPath axis: ancestor

ancestorOrSelfAxis :: NavigatableTree t => t a -> [t a] Source

XPath axis: ancestor or self

childAxis :: NavigatableTree t => t a -> [t a] Source

XPath axis: child

descendantAxis :: NavigatableTree t => t a -> [t a] Source

XPath axis: descendant

descendantOrSelfAxis :: NavigatableTree t => t a -> [t a] Source

XPath axis: descendant or self

revDescendantOrSelfAxis :: NavigatableTree t => t a -> [t a] Source

not an official XPath axis but useful: reverse descendant or self, used in preceding axis

followingSiblingAxis :: NavigatableTree t => t a -> [t a] Source

XPath axis: following sibling

precedingSiblingAxis :: NavigatableTree t => t a -> [t a] Source

XPath axis: preceeding sibling

selfAxis :: NavigatableTree t => t a -> [t a] Source

XPath axis: self

followingAxis :: NavigatableTree t => t a -> [t a] Source

XPath axis: following

precedingAxis :: NavigatableTree t => t a -> [t a] Source

XPath axis: preceding

mvToRoot :: NavigatableTree t => t a -> t a Source

move to the root