{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE QuasiQuotes #-}
{-# LANGUAGE RecordWildCards #-}
{-# LANGUAGE NoImplicitPrelude #-}

-- |

-- Module      : $header$

-- Copyright   : (c) Laurent P René de Cotret, 2020

-- License     : GNU GPL, version 2 or above

-- Maintainer  : laurent.decotret@outlook.com

-- Stability   : internal

-- Portability : portable

--

-- Rendering Octave plots code blocks

module Text.Pandoc.Filter.Plot.Renderers.Octave
  ( octaveSupportedSaveFormats,
    octaveCommand,
    octaveCapture,
    octaveAvailable,
  )
where

import Text.Pandoc.Filter.Plot.Renderers.Prelude

octaveSupportedSaveFormats :: [SaveFormat]
octaveSupportedSaveFormats :: [SaveFormat]
octaveSupportedSaveFormats = [SaveFormat
PNG, SaveFormat
PDF, SaveFormat
SVG, SaveFormat
JPG, SaveFormat
EPS, SaveFormat
GIF, SaveFormat
TIF]

octaveCommand :: OutputSpec -> Text -> Text
octaveCommand :: OutputSpec -> Text -> Text
octaveCommand OutputSpec {FilePath
FigureSpec
oFigurePath :: OutputSpec -> FilePath
oScriptPath :: OutputSpec -> FilePath
oFigureSpec :: OutputSpec -> FigureSpec
oFigurePath :: FilePath
oScriptPath :: FilePath
oFigureSpec :: FigureSpec
..} Text
exe = [st|#{exe} --no-gui --no-window-system "#{oScriptPath}"|]

octaveAvailable :: PlotM Bool
octaveAvailable :: PlotM Bool
octaveAvailable = do
  Maybe Executable
mexe <- Toolkit -> PlotM (Maybe Executable)
executable Toolkit
Octave
  case Maybe Executable
mexe of
    Maybe Executable
Nothing -> Bool -> PlotM Bool
forall (m :: * -> *) a. Monad m => a -> m a
return Bool
False
    Just (Executable FilePath
dir Text
exe) ->
      FilePath -> Text -> PlotM Bool
commandSuccess FilePath
dir [st|#{exe} -h|]

octaveCapture :: FigureSpec -> FilePath -> Script
octaveCapture :: FigureSpec -> FilePath -> Text
octaveCapture = (FigureSpec -> FilePath -> Text) -> FigureSpec -> FilePath -> Text
appendCapture FigureSpec -> FilePath -> Text
octaveCaptureFragment

octaveCaptureFragment :: FigureSpec -> FilePath -> Script
octaveCaptureFragment :: FigureSpec -> FilePath -> Text
octaveCaptureFragment FigureSpec
_ FilePath
fname =
  [st|
saveas(gcf, '#{fname}')
|]