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{-# LANGUAGE OverloadedStrings #-}
{- |
Module : Text.Pandoc.Readers.Xlsx
Copyright : © 2025 Anton Antic
License : GNU GPL, version 2 or above
Maintainer : Anton Antic <[email protected]>
Stability : alpha
Portability : portable
Conversion of XLSX (Excel spreadsheet) documents to 'Pandoc' document.
-}
module Text.Pandoc.Readers.Xlsx (readXlsx) where
import qualified Data.ByteString.Lazy as B
import qualified Data.Text as T
import Codec.Archive.Zip (toArchiveOrFail)
import Control.Monad.Except (throwError)
import Text.Pandoc.Class.PandocMonad (PandocMonad)
import Text.Pandoc.Definition (Pandoc(..))
import Text.Pandoc.Error (PandocError(..))
import Text.Pandoc.Options (ReaderOptions)
import Text.Pandoc.Readers.Xlsx.Parse (archiveToXlsx)
import Text.Pandoc.Readers.Xlsx.Sheets (xlsxToOutput)
-- | Read XLSX file into Pandoc AST
readXlsx :: PandocMonad m => ReaderOptions -> B.ByteString -> m Pandoc
readXlsx opts bytes =
case toArchiveOrFail bytes of
Right archive ->
case archiveToXlsx archive of
Right xlsx -> do
let (meta, blocks) = xlsxToOutput opts xlsx
return $ Pandoc meta blocks
Left err ->
throwError $ PandocParseError $ "Failed to parse XLSX: " <> err
Left err ->
throwError $ PandocParseError $
"Failed to unpack XLSX archive: " <> T.pack err
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