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site.hs
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site.hs
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{-# LANGUAGE OverloadedStrings #-}
import Control.Applicative (empty)
import qualified Data.Map as Map
import Data.List (intersperse, stripPrefix)
import Hakyll
( Context(..), Item(..), Configuration(..)
, Rules, Pattern, Compiler, Identifier
, defaultContext
, dateField
, tagsFieldWith
, constField
, listField
, loadAll
, loadAndApplyTemplate
, templateCompiler
, copyFileCompiler
, match
, compile
, relativizeUrls
, route
, idRoute
, customRoute
, recentFirst
, create
, makeItem
, setExtension
, fromFilePath
, toFilePath
, fromGlob
, fromCapture
, pandocCompilerWith
, hakyllWith
, defaultHakyllReaderOptions
, defaultHakyllWriterOptions
, defaultConfiguration
, toUrl
, gsubRoute
, composeRoutes
)
import Hakyll.Web.Tags (Tags, buildTags, tagsRules, getTags)
import Text.Pandoc.Options (ReaderOptions(..), WriterOptions(..), HTMLMathMethod(..))
import Skylighting (Syntax, parseSyntaxDefinition)
import Text.Blaze.Html ((!), toHtml, toValue)
import qualified Text.Blaze.Html5 as H
import qualified Text.Blaze.Html5.Attributes as A
import System.FilePath
import System.Environment (getArgs)
data Syntaxes =
Syntaxes
{ syntaxSMT2 :: Maybe Syntax
, syntaxDhall :: Maybe Syntax
}
nullSyntaxes :: Syntaxes
nullSyntaxes = Syntaxes Nothing Nothing
pandocReaderOptions :: Syntaxes -> ReaderOptions
pandocReaderOptions Syntaxes{syntaxSMT2 = Nothing, syntaxDhall = Nothing} = defaultHakyllReaderOptions
pandocReaderOptions Syntaxes{syntaxSMT2 = Just _, syntaxDhall = Just _} = defaultHakyllReaderOptions { readerIndentedCodeClasses = ["smt2", "dhall"] }
pandocReaderOptions Syntaxes{syntaxSMT2 = Just _, syntaxDhall = Nothing} = defaultHakyllReaderOptions { readerIndentedCodeClasses = ["smt2"] }
pandocReaderOptions Syntaxes{syntaxSMT2 = Nothing, syntaxDhall = Just _} = defaultHakyllReaderOptions { readerIndentedCodeClasses = ["dhall"] }
pandocWriterOptions :: Syntaxes -> WriterOptions
pandocWriterOptions Syntaxes{syntaxSMT2 = smt2, syntaxDhall = dhall} =
defaultHakyllWriterOptions
{ writerHTMLMathMethod = MathJax ""
, writerSyntaxMap =
maybe id (Map.insert "smt2") smt2
. maybe id (Map.insert "dhall") dhall
$ writerSyntaxMap defaultHakyllWriterOptions
}
pandoc :: Syntaxes -> Compiler (Item String)
pandoc syntaxes =
pandocCompilerWith (pandocReaderOptions syntaxes) (pandocWriterOptions syntaxes)
static :: Pattern -> Rules ()
static f = match f $ do
route idRoute
compile copyFileCompiler
directory :: (Pattern -> Rules a) -> String -> Rules a
directory act f = act $ fromGlob $ f ++ "/**"
config :: Configuration
config = defaultConfiguration { providerDirectory = "." }
mkStatic :: FilePath -> Rules ()
mkStatic template = do
-- SEE: https://aherrmann.github.io/programming/2016/01/31/jekyll-style-urls-with-hakyll/
route
$ gsubRoute "static/" (const "")
`composeRoutes`
customRoute ((</> "index.html") . fst . splitExtension . toFilePath)
compile $ do
pandoc nullSyntaxes
>>= loadAndApplyTemplate "templates/about.html" postCtx
>>= loadAndApplyTemplate (fromFilePath $ template <.> ".html") postCtx
>>= relativizeUrls
mkArticle :: Identifier -> Syntaxes -> Context String -> Compiler (Item String)
mkArticle articleTemplate syntaxes ctx =
pandoc syntaxes
>>= loadAndApplyTemplate "templates/posts/post.html" ctx
>>= loadAndApplyTemplate articleTemplate ctx
>>= relativizeUrls
mkPost :: Syntaxes -> Context String -> Compiler (Item String)
mkPost = mkArticle "templates/posts/default.html"
mkReview :: Syntaxes -> Context String -> Compiler (Item String)
mkReview = mkArticle "templates/reviews/default.html"
mkDraft :: Syntaxes -> Context String -> Compiler (Item String)
mkDraft = mkArticle "templates/drafts/default.html"
mkPostsCtx :: String -> String -> [Item String] -> Context String
mkPostsCtx title subtitle posts =
listField "posts" postCtx (return posts)
<> constField "title" title
<> constField "subtitle" subtitle
<> defaultContext
mkArticleItem :: Identifier -> Context String -> Compiler (Item String)
mkArticleItem articleTemplate ctx =
makeItem ""
>>= loadAndApplyTemplate "templates/posts/archive.html" ctx
>>= loadAndApplyTemplate articleTemplate ctx
>>= relativizeUrls
mkPostItem :: Context String -> Compiler (Item String)
mkPostItem = mkArticleItem "templates/posts/default.html"
mkReviewItem :: Context String -> Compiler (Item String)
mkReviewItem = mkArticleItem "templates/reviews/default.html"
mkDraftItem :: Context String -> Compiler (Item String)
mkDraftItem = mkArticleItem "templates/drafts/default.html"
mkArticles :: Pattern -> (Context String -> Compiler (Item String)) -> String -> String -> Rules ()
mkArticles articlePattern mkArticle' title subtitle = compile $
loadAll articlePattern >>= recentFirst >>= mkArticle' . mkPostsCtx title subtitle
main :: IO ()
main = do
args <- getArgs
-- SEE: https://github.com/diku-dk/futhark-website/blob/4ebf2c19b8f9260124ab418ec82b951e28407241/site.hs#L30-L32
syntaxSMT2 <- either (error . show) return =<< parseSyntaxDefinition "syntax/smt2.xml"
syntaxDhall <- either (error . show) return =<< parseSyntaxDefinition "syntax/dhall.xml"
let syntaxes = Syntaxes (Just syntaxSMT2) (Just syntaxDhall)
hakyllWith config $ do
let postsPattern = fromGlob "posts/*"
let reviewsPattern = fromGlob "reviews/*"
-- NOTE: We don't want to publish drafts so they're watch only.
let draftsPattern = if "watch" `elem` args then fromGlob "drafts/*" else ""
-- SEE: http://vapaus.org/text/hakyll-configuration.html
mapM_ (directory static) ["css", "font", "js", "images", "pdf"]
match "favicon/*.*" $ do
route $ customRoute (flip replaceDirectory "" . toFilePath)
compile copyFileCompiler
match "node_modules/typeface-et-book/et-book/et-book/**/*.*" $ do
route $ customRoute (etBookFontRoute . toFilePath)
compile copyFileCompiler
match "node_modules/@fortawesome/fontawesome-free/webfonts/*.*" $ do
route $ customRoute (faFontRoute . toFilePath)
compile copyFileCompiler
-- SEE: https://groups.google.com/d/msg/hakyll/IhKmFO9vCIw/kC78nWp6CAAJ
match "static/b.md" $ mkStatic "templates/blockscope"
match "static/p.md" $ mkStatic "templates/philderbeast"
match "static/cv.md" $ mkStatic "templates/cv"
match "static/projects/uom.md" $ do
route . customRoute $ const "projects/uom/index.html"
compile
$ pandoc nullSyntaxes
>>= loadAndApplyTemplate "templates/about.html" postCtx
>>= loadAndApplyTemplate (fromFilePath $ "templates/projects/project.html") postCtx
>>= relativizeUrls
match "static/projects/geodetics.md" $ do
route . customRoute $ const "projects/geodetics/index.html"
compile
$ pandoc nullSyntaxes
>>= loadAndApplyTemplate "templates/about.html" postCtx
>>= loadAndApplyTemplate (fromFilePath $ "templates/projects/project.html") postCtx
>>= relativizeUrls
match "static/projects/tooling.md" $ do
route . customRoute $ const "projects/tooling/index.html"
compile
$ pandoc nullSyntaxes
>>= loadAndApplyTemplate "templates/about.html" postCtx
>>= loadAndApplyTemplate (fromFilePath "templates/projects/project.html") postCtx
>>= relativizeUrls
match "static/projects/cabal.md" $ do
route . customRoute $ const "projects/cabal/index.html"
compile
$ pandoc nullSyntaxes
>>= loadAndApplyTemplate "templates/about.html" postCtx
>>= loadAndApplyTemplate (fromFilePath "templates/projects/project.html") postCtx
>>= relativizeUrls
match "static/projects/stack.md" $ do
route . customRoute $ const "projects/stack/index.html"
compile
$ pandoc nullSyntaxes
>>= loadAndApplyTemplate "templates/about.html" postCtx
>>= loadAndApplyTemplate (fromFilePath "templates/projects/project.html") postCtx
>>= relativizeUrls
match "static/projects/fly.md" $ do
route . customRoute $ const "projects/fly/index.html"
compile
$ pandoc nullSyntaxes
>>= loadAndApplyTemplate "templates/about.html" postCtx
>>= loadAndApplyTemplate (fromFilePath "templates/projects/project.html") postCtx
>>= relativizeUrls
match "static/projects/contrib.md" $ do
route . customRoute $ const "projects/contrib/index.html"
compile
$ pandoc nullSyntaxes
>>= loadAndApplyTemplate "templates/about.html" postCtx
>>= loadAndApplyTemplate (fromFilePath "templates/projects/project.html") postCtx
>>= relativizeUrls
match "static/projects/index.md" $ do
route . customRoute $ const "projects/index.html"
compile
$ pandoc nullSyntaxes
>>= loadAndApplyTemplate "templates/about.html" postCtx
>>= loadAndApplyTemplate (fromFilePath "templates/projects/project.html") postCtx
>>= relativizeUrls
-- SEE: http://javran.github.io/posts/2014-03-01-add-tags-to-your-hakyll-blog.html
tags <- buildTags postsPattern (fromCapture "tags/*.html")
match draftsPattern $ do
route $ setExtension "html"
compile $ do mkDraft syntaxes postCtx
match reviewsPattern $ do
route $ setExtension "html"
compile $ do mkReview syntaxes postCtx
match postsPattern $ do
route $ setExtension "html"
compile $ do
-- SEE: https://github.com/robwhitaker/hakyll-portfolio-blog/blob/729f2d51a1ff0d4f63e6a5cf4fc1b42cd6468d0b/site.hs#L146
let ctx = tagsFieldNonEmpty "tags" tags <> postCtx
mkPost syntaxes ctx
tagsRules tags $ \tag tagPattern -> do
route idRoute
compile $ do
posts <- loadAll tagPattern >>= recentFirst
let ctx =
constField "tag" tag
<> listField "posts" postCtx (return posts)
<> defaultContext
makeItem ""
>>= loadAndApplyTemplate "templates/tag.html" ctx
>>= loadAndApplyTemplate "templates/default.html" ctx
>>= relativizeUrls
create ["draft/index.html"] $ do
route idRoute
mkArticles draftsPattern mkDraftItem "Sneak Peek" "Shine a light on these draft posts (not for publication)."
create ["review/index.html"] $ do
route idRoute
mkArticles reviewsPattern mkReviewItem "Up for Review" "Looking in the rear view mirror."
create ["blog/index.html"] $ do
route idRoute
mkArticles postsPattern mkPostItem "Post it, Notes" "Power-on, self-test."
match "static/index.md" $ do
route . customRoute $ const "index.html"
compile
$ pandoc nullSyntaxes
>>= loadAndApplyTemplate "templates/index.html" postCtx
>>= loadAndApplyTemplate "templates/default.html" postCtx
>>= relativizeUrls
match "templates/*" $ compile templateCompiler
match "templates/posts/*" $ compile templateCompiler
match "templates/reviews/*" $ compile templateCompiler
match "templates/drafts/*" $ compile templateCompiler
match "templates/projects/*" $ compile templateCompiler
postCtx :: Context String
postCtx = dateField "date" "%Y-%m-%d" <> defaultContext
tagsFieldNonEmpty :: String -> Tags -> Context a
tagsFieldNonEmpty =
tagsFieldWith getTagsNonEmpty simpleRenderLink (mconcat . intersperse " ")
where
getTagsNonEmpty :: Identifier -> Compiler [String]
getTagsNonEmpty identifier = do
tags <- getTags identifier
if null tags then empty else return tags
simpleRenderLink :: String -> Maybe FilePath -> Maybe H.Html
simpleRenderLink _ Nothing = Nothing
simpleRenderLink tag (Just filePath) =
Just
$ H.a
! A.class_ "badge bg-light text-dark"
! A.href (toValue $ toUrl filePath)
$ toHtml tag
etBookFontRoute :: FilePath -> FilePath
etBookFontRoute x
| Just y <- stripPrefix "node_modules/typeface-et-book/et-book/" x
= "css" </> y
| otherwise = error $ "Unexpected et-book font of " ++ x
faFontRoute :: FilePath -> FilePath
faFontRoute x
| Just y <- stripPrefix "node_modules/@fortawesome/fontawesome-free/webfonts/" x
= "css" </> "fonts" </> y
| otherwise = error $ "Unexpected fontawesome font of " ++ x