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|
{-# LANGUAGE OverloadedStrings #-}
{- |
Module : Text.Pandoc.Readers.Docx.Util
Copyright : © 2014-2020 Jesse Rosenthal <[email protected]>,
2014-2024 John MacFarlane <[email protected]>,
2015 Nikolay Yakimov <[email protected]>
License : GNU GPL, version 2 or above
Maintainer : Jesse Rosenthal <[email protected]>
Stability : alpha
Portability : portable
Docx reader utility functions.
-}
module Text.Pandoc.Readers.Docx.Util (
NameSpaces
, elemName
, isElem
, elemToNameSpaces
, findChildByName
, findChildrenByName
, findElementByName
, findAttrByName
, extractChildren
) where
import Data.List (partition)
import Text.Pandoc.XML.Light
import Text.Pandoc.Readers.OOXML.Shared
(NameSpaces, elemName, isElem, elemToNameSpaces,
findChildByName, findChildrenByName, findElementByName, findAttrByName)
-- | Removes child elements that satisfy a given condition.
-- Returns the modified element and the list of removed children.
extractChildren :: Element -> (Element -> Bool) -> Maybe (Element, [Element])
extractChildren el condition
| null removedChildren = Nothing -- No children removed, return Nothing
| otherwise = Just (modifiedElement, removedChildren) -- Children removed, return Just
where
-- Separate the children based on the condition
(removedChildren, keptChildren) = partition condition (onlyElems $ elContent el)
-- Reconstruct the element with the kept children
modifiedElement = el { elContent = map Elem keptChildren }
|
