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Nicole Dresselhaus 2017-07-25 11:55:12 +02:00
commit 78aeb6637d
Signed by: Drezil
GPG Key ID: 057D94F356F41E25
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LICENSE Normal file
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Copyright Stefan Dresselhaus (c) 2017
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following
disclaimer in the documentation and/or other materials provided
with the distribution.
* Neither the name of Author name here nor the names of other
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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README.md Normal file
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# pandoc-slide-filter

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Setup.hs Normal file
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import Distribution.Simple
main = defaultMain

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app/Media.hs Normal file
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#!/usr/bin/env runhaskell
{-# LANGUAGE ScopedTypeVariables #-}
import Text.Pandoc.JSON
import Control.Exception
import Data.Monoid ((<>))
import Data.List (partition)
main :: IO ()
main = toJSONFilter media
media :: Inline -> IO [Inline]
media (Image ("audio",att,att') [] (filename,_)) = return $ [toHtml $ "<audio " <> unwords direct <> " src=\"" <> filename <> "\"" <> attToString ("",css,att') <> ">"]
++ [toHtml"</audio>"]
where
(direct, css) = classToPlain att
media (Image ("audio",att,att') alt (filename,_)) = return $ [toHtml $ "<figure><audio " <> unwords direct <> " src=\"" <> filename <> "\"" <> attToString ("",css,att') <> "></audio>"]
++ [toHtml $ "<figcaption>"]
++ alt
++ [toHtml $ "</figcaption></figure>"]
where
(direct, css) = classToPlain att
--no description of video
media (Image ("video", att, att') [] (filename,_)) = return $ [toHtml $ "<video " <> unwords direct <> " src=\"" <> filename <> "\"" <> attToString ("",css,att') <> "></video>"]
where
(direct, css) = classToPlain att
--with description of video
media (Image ("video", att, att') alt (filename,_)) = return $ [toHtml $ "<figure>"]
++ [toHtml $ "<video " <> unwords direct <> " src=\"" <> filename <> "\"" <> attToString ("",css,att') <> "></video>"]
++ [toHtml $ "<figcaption>"]
++ alt
++ [toHtml $ "</figcaption></figure>"]
where
(direct, css) = classToPlain att
--no description of image
media (Image ("img", att, att') [] (filename,_)) = return $ [toHtml $ "<figure>"]
++ [toHtml $ "<img " <> unwords direct <> " src=\"" <> filename <> "\"" <> attToString ("",css,att') <> "></img>"]
++ [toHtml $ "</figure>"]
where
(direct, css) = classToPlain att
--with description of image
media (Image ("img", att, att') alt (filename,_)) = return $ [toHtml $ "<figure>"]
++ [toHtml $ "<img " <> unwords direct <> " src=\"" <> filename <> "\"" <> attToString ("",css,att') <> "></img>"]
++ [toHtml $ "<figcaption>"]
++ alt
++ [toHtml $ "</figcaption></figure>"]
where
(direct, css) = classToPlain att
media (Image ("svg", att, att') [] (filename,_)) = handle (\(fileerror :: IOException) -> return [toHtml $ "Could not read file: " <> filename <> "<br />" <> show fileerror]) $
do
svg <- readFile filename
return $ [toHtml $ "<figure " <> unwords direct <> " " <> attToString ("", css, att') <> ">"] -- use attributes on figure, as svg gets dumped in..
++ [toHtml $ svg]
++ [toHtml $ "</figure>"]
where
(direct, css) = classToPlain att
media (Image ("svg", att, att') alt (filename,_)) = handle (\(fileerror :: IOException) -> return $ [toHtml $ "Could not read file: " <> filename <> "<br />" <> show filename]) $
do
svg <- readFile filename
return $ [toHtml $ "<figure " <> unwords direct <> " " <> attToString ("", css, att') <> ">"] -- use attributes on figure, as svg gets dumped in..
++ [toHtml $ svg]
++ [toHtml $ "<figcaption>"]
++ alt
++ [toHtml $ "</figcaption></figure>"]
where
(direct, css) = classToPlain att
media (Image ("demo", att, att') [] (filename,_)) = return $ [toHtml $ "<iframe " <> unwords direct <> " src=\"" <> filename <> "?plugin\"" <> attToString ("", css, att') <> "></iframe>"]
where
(direct, css) = classToPlain att
media (Image ("demo", att, att') alt (filename,_)) = return $ [toHtml $ "<figure>"]
++ [toHtml $ "<iframe " <> unwords direct <> " src=\"" <> filename <> "?plugin\"" <> attToString ("", css, att') <> "></iframe>"]
++ [toHtml $ "<figcaption>"]
++ alt
++ [toHtml $ "</figcaption></figure>"]
where
(direct, css) = classToPlain att
media x = return [x]
attToString :: Attr -> String
attToString (ident, classes, kvpairs) = ident <> " class=\"" <> unwords classes <> "\" " <> unwords ((\(k,v) -> k <> "=\"" <> v <> "\"") <$> kvpairs)
classToPlain :: [String] -> ([String],[String])
classToPlain = partition (`elem` [ "data-autoplay"
, "controls"
]
)
toHtml :: String -> Inline
toHtml = RawInline (Format "html")

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#!/usr/bin/env runhaskell
{-# LANGUAGE ScopedTypeVariables #-}
import Text.Pandoc.JSON
import Control.Exception
import Data.Monoid ((<>))
import Data.List (partition)
main :: IO ()
main = toJSONFilter media
media :: Inline -> IO [Inline]
media (Image ("audio",att,att') [] (filename,_)) = return $ [toHtml $ "<audio " <> unwords direct <> " src=\"" <> filename <> "\"" <> attToString ("",css,att') <> ">"]
++ [toHtml"</audio>"]
where
(direct, css) = classToPlain att
media (Image ("audio",att,att') alt (filename,_)) = return $ [toHtml $ "<figure><audio " <> unwords direct <> " src=\"" <> filename <> "\"" <> attToString ("",css,att') <> "></audio>"]
++ [toHtml $ "<figcaption>"]
++ alt
++ [toHtml $ "</figcaption></figure>"]
where
(direct, css) = classToPlain att
--no description of video
media (Image ("video", att, att') [] (filename,_)) = return $ [toHtml $ "<video " <> unwords direct <> " src=\"" <> filename <> "\"" <> attToString ("",css,att') <> "></video>"]
where
(direct, css) = classToPlain att
--with description of video
media (Image ("video", att, att') alt (filename,_)) = return $ [toHtml $ "<figure>"]
++ [toHtml $ "<video " <> unwords direct <> " src=\"" <> filename <> "\"" <> attToString ("",css,att') <> "></video>"]
++ [toHtml $ "<figcaption>"]
++ alt
++ [toHtml $ "</figcaption></figure>"]
where
(direct, css) = classToPlain att
--no description of image
media (Image ("img", att, att') [] (filename,_)) = return $ [toHtml $ "<figure>"]
++ [toHtml $ "<img " <> unwords direct <> " src=\"" <> filename <> "\"" <> attToString ("",css,att') <> "></img>"]
++ [toHtml $ "</figure>"]
where
(direct, css) = classToPlain att
--with description of image
media (Image ("img", att, att') alt (filename,_)) = return $ [toHtml $ "<figure>"]
++ [toHtml $ "<img " <> unwords direct <> " src=\"" <> filename <> "\"" <> attToString ("",css,att') <> "></img>"]
++ [toHtml $ "<figcaption>"]
++ alt
++ [toHtml $ "</figcaption></figure>"]
where
(direct, css) = classToPlain att
media (Image ("svg", att, att') [] (filename,_)) = handle (\(fileerror :: IOException) -> return [toHtml $ "Could not read file: " <> filename <> "<br />" <> show fileerror]) $
do
svg <- readFile filename
return $ [toHtml $ "<figure " <> unwords direct <> " " <> attToString ("", css, att') <> ">"] -- use attributes on figure, as svg gets dumped in..
++ [toHtml $ svg]
++ [toHtml $ "</figure>"]
where
(direct, css) = classToPlain att
media (Image ("svg", att, att') alt (filename,_)) = handle (\(fileerror :: IOException) -> return $ [toHtml $ "Could not read file: " <> filename <> "<br />" <> show filename]) $
do
svg <- readFile filename
return $ [toHtml $ "<figure " <> unwords direct <> " " <> attToString ("", css, att') <> ">"] -- use attributes on figure, as svg gets dumped in..
++ [toHtml $ svg]
++ [toHtml $ "<figcaption>"]
++ alt
++ [toHtml $ "</figcaption></figure>"]
where
(direct, css) = classToPlain att
media (Image ("demo", att, att') [] (filename,_)) = return $ [toHtml $ "<iframe " <> unwords direct <> " src=\"" <> filename <> "?plugin\"" <> attToString ("", css, att') <> "></iframe>"]
where
(direct, css) = classToPlain att
media (Image ("demo", att, att') alt (filename,_)) = return $ [toHtml $ "<figure>"]
++ [toHtml $ "<iframe " <> unwords direct <> " src=\"" <> filename <> "?plugin\"" <> attToString ("", css, att') <> "></iframe>"]
++ [toHtml $ "<figcaption>"]
++ alt
++ [toHtml $ "</figcaption></figure>"]
where
(direct, css) = classToPlain att
media x = return [x]
attToString :: Attr -> String
attToString (ident, classes, kvpairs) = ident <> " class=\"" <> unwords classes <> "\" " <> unwords ((\(k,v) -> k <> "=\"" <> v <> "\"") <$> kvpairs)
classToPlain :: [String] -> ([String],[String])
classToPlain = partition (`elem` [ "data-autoplay"
, "controls"
]
)
toHtml :: String -> Inline
toHtml = RawInline (Format "html")

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#!/usr/bin/env runhaskell
{-# LANGUAGE ScopedTypeVariables #-}
import Text.Pandoc.JSON
import Text.Pandoc.Walk
import Control.Exception
import Data.Monoid ((<>))
import Data.List (partition, isInfixOf)
main :: IO ()
main = toJSONFilter $ styling . walk inlineStyling
styling :: Block -> IO [Block]
styling (Div ("col",att,att') inner) = return $ [toHtml $ "<div style=\"float:left; margin-bottom:10px;\"" <> unwords direct <> attToString ("",css,att') <> ">"]
++ inner
++ [toHtml"</div>"]
where
(direct, css) = classToPlain att
styling (CodeBlock (id,att,att') inner) = return $ [CodeBlock (id, addToAtt "data-trim"
. addToAtt "data-noescape"
$ att
, att') inner]
styling div@(Div (id,att,att') inner)
| "fragment" `elem` att = return [Div (id, att, addToStyle "display: block;" att') inner]
| "frame" `elem` att = return [Div (id, addToAtt "fragment" --insert fragment
. addToAtt "current-visible" --insert current-visible
. filter (/= "frame") --remove frame
$ att
, addToStyle "display: block;" att') inner]
| otherwise = return [div]
styling x = return [x]
inlineStyling :: Inline -> Inline
inlineStyling span@(Span (id, att, att') inner)
| "fragment" `elem` att = Span (id, att, addToStyle "display: inline-block;" att') inner
| "frame" `elem` att = Span (id, addToAtt "fragment" --insert fragment
. addToAtt "current-visible" --insert current-visible
. filter (/= "frame") --remove frame
$ att
, addToStyle "display: inline-block;" att') inner
| id == "vspace" = toInlineHtml $ "<div style=\"clear:both;\"" <> unwords direct <> attToString ("",css,att') <> "></div>"
| id == "hspace" = toInlineHtml $ "<span " <> unwords direct <> attToString ("",css,att') <> "></span>"
| otherwise = span
where
(direct, css) = classToPlain att
inlineStyling x = x
addToStyle :: String -> [(String, String)] -> [(String, String)]
-- we are looking for style and inject
addToStyle toAdd (("style",val):as) = ("style", if toAdd `isInfixOf` val then val else val <> " " <> toAdd):as
-- if we land here the current one is not style -> skip
addToStyle toAdd (a:as) = a:addToStyle toAdd as
-- if we land here we have no more to skip -> add
addToStyle toAdd [] = [("style", toAdd)]
addToAtt :: String -> [String] -> [String]
addToAtt toAdd (a:as)
| a == toAdd = toAdd:as
| otherwise = a:addToAtt toAdd as
addToAtt toAdd [] = [toAdd]
attToString :: Attr -> String
attToString (ident, [], kvpairs) = ident <> " " <> unwords ((\(k,v) -> k <> "=\"" <> v <> "\"") <$> kvpairs)
attToString (ident, classes, kvpairs) = ident <> " class=\"" <> unwords classes <> "\" " <> unwords ((\(k,v) -> k <> "=\"" <> v <> "\"") <$> kvpairs)
classToPlain :: [String] -> ([String],[String])
classToPlain = partition (`elem` [ "data-autoplay"
, "controls"
]
)
toHtml :: String -> Block
toHtml = RawBlock (Format "html")
toInlineHtml :: String -> Inline
toInlineHtml = RawInline (Format "html")

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pandoc-slide-filter.cabal Normal file
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name: pandoc-slide-filter
version: 0.1.0.0
-- synopsis:
-- description:
homepage: https://github.com/Drezil/pandoc-slide-filter#readme
license: BSD3
license-file: LICENSE
author: Stefan Dresselhaus
maintainer: sdressel@techfak.uni-bielefeld.de
copyright: 2017 Stefan Dresselhaus
category: CLI
build-type: Simple
extra-source-files: README.md
cabal-version: >=1.10
executable media
hs-source-dirs: app
main-is: Media.hs
ghc-options: -threaded -rtsopts -with-rtsopts=-N
build-depends: base
, pandoc
default-language: Haskell2010
executable styling
hs-source-dirs: app
main-is: Styling.hs
ghc-options: -threaded -rtsopts -with-rtsopts=-N
build-depends: base
, pandoc
default-language: Haskell2010
executable quiz
hs-source-dirs: app
main-is: Quiz.hs
ghc-options: -threaded -rtsopts -with-rtsopts=-N
build-depends: base
, pandoc
default-language: Haskell2010
source-repository head
type: git
location: https://github.com/Drezil/pandoc-slide-filter

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# This file was automatically generated by 'stack init'
#
# Some commonly used options have been documented as comments in this file.
# For advanced use and comprehensive documentation of the format, please see:
# http://docs.haskellstack.org/en/stable/yaml_configuration/
# Resolver to choose a 'specific' stackage snapshot or a compiler version.
# A snapshot resolver dictates the compiler version and the set of packages
# to be used for project dependencies. For example:
#
# resolver: lts-3.5
# resolver: nightly-2015-09-21
# resolver: ghc-7.10.2
# resolver: ghcjs-0.1.0_ghc-7.10.2
# resolver:
# name: custom-snapshot
# location: "./custom-snapshot.yaml"
resolver: lts-8.23
# User packages to be built.
# Various formats can be used as shown in the example below.
#
# packages:
# - some-directory
# - https://example.com/foo/bar/baz-0.0.2.tar.gz
# - location:
# git: https://github.com/commercialhaskell/stack.git
# commit: e7b331f14bcffb8367cd58fbfc8b40ec7642100a
# - location: https://github.com/commercialhaskell/stack/commit/e7b331f14bcffb8367cd58fbfc8b40ec7642100a
# extra-dep: true
# subdirs:
# - auto-update
# - wai
#
# A package marked 'extra-dep: true' will only be built if demanded by a
# non-dependency (i.e. a user package), and its test suites and benchmarks
# will not be run. This is useful for tweaking upstream packages.
packages:
- '.'
# Dependency packages to be pulled from upstream that are not in the resolver
# (e.g., acme-missiles-0.3)
extra-deps: []
# Override default flag values for local packages and extra-deps
flags: {}
# Extra package databases containing global packages
extra-package-dbs: []
# Control whether we use the GHC we find on the path
# system-ghc: true
#
# Require a specific version of stack, using version ranges
# require-stack-version: -any # Default
# require-stack-version: ">=1.4"
#
# Override the architecture used by stack, especially useful on Windows
# arch: i386
# arch: x86_64
#
# Extra directories used by stack for building
# extra-include-dirs: [/path/to/dir]
# extra-lib-dirs: [/path/to/dir]
#
# Allow a newer minor version of GHC than the snapshot specifies
# compiler-check: newer-minor