Text.XML.Lens

Useful traversals inspired by XPath

Lenses, traversals for Element

(./) :: Plated a => Traversal s t a a -> Traversal a a u v -> Traversal s t u v

Combine two Traversals just like XPath's slash.

 
 l ./ m ≡ l . plate . m

Names

name :: Lens' Element Name

el :: Name -> Traversal' Element Element

Traverse elements which has the specified name.

ell :: Text -> Traversal' Element Element

Traverse elements which has the specified *local* name.

Attributes

attributeIs :: Name -> Text -> Traversal' Element Element

attributeSatisfies :: Name -> (Text -> Bool) -> Traversal' Element Element

attr :: Name -> IndexedTraversal' Name Element Text

attribute :: Name -> IndexedLens' Name Element (Maybe Text)

attrs :: Lens' Element (Map Name Text)

Contents

text :: Traversal' Element Text

Traverse all contents of the element.

comment :: Traversal' Element Text

Traverse all comments of the element.

Children

entire :: Traversal' Element Element

Traverse itself with its all children.

nodes :: Lens' Element [Node]

Prisms for Node

_Element :: Prism' Node Element

_Content :: Prism' Node Text

class AsInstruction t where

Methods

_Instruction :: Prism' t Instruction

Instances

AsInstruction Node

AsInstruction Miscellaneous

class AsComment t where

Methods

_Comment :: Prism' t Text

Instances

AsComment Node

AsComment Miscellaneous

Lenses for Document

root :: Lens' Document Element

The root element of the document.

prologue :: Lens' Document Prologue

epilogue :: Lens' Document [Miscellaneous]

doctype :: Lens' Prologue (Maybe Doctype)

Lenses for Name

_nameLocalName :: Lens' Name Text

_nameNamespace :: Lens' Name (Maybe Text)

_namePrefix :: Lens' Name (Maybe Text)

Lenses for Instruction

_instructionTarget :: Lens' Instruction Text

_instructionData :: Lens' Instruction Text

Reexports

module Control.Lens

module Text.XML