From ca1d4d3d4371c8175ea6addb1ca1b09c3b56a7bb Mon Sep 17 00:00:00 2001
From: Chris Wells <chris@mathematicaster.org>
Date: Sat, 25 Jan 2025 14:33:21 -0600
Subject: Adding templates and cleaning up

---
 src/Hakyll/TeX/TikZ.hs | 25 ++++++++++++++++++++-----
 1 file changed, 20 insertions(+), 5 deletions(-)

(limited to 'src/Hakyll/TeX/TikZ.hs')

diff --git a/src/Hakyll/TeX/TikZ.hs b/src/Hakyll/TeX/TikZ.hs
index 9df98fd..c9087e7 100644
--- a/src/Hakyll/TeX/TikZ.hs
+++ b/src/Hakyll/TeX/TikZ.hs
@@ -1,7 +1,12 @@
+{-# LANGUAGE TemplateHaskell #-}
 module Hakyll.TeX.TikZ
     ( TikzTemplate
-    , tikzfilter
+    , tikzFilter
     , tikzBlockFilter
+    -- * Using the default TikZ template
+    , tikzTemplate
+    , tikzFilter_
+    , tikzBlockFilter_
     ) where
 
 import Network.URI.Encode qualified as URI
@@ -14,16 +19,26 @@ import Prolog
 
 import Hakyll.TeX.LaTeX (rubberPipe)
 
-type TikzTemplate = Identifier
+type TikzTemplate = Template
 
 tikzFilter :: TikzTemplate -> Pandoc -> Compiler Pandoc
-tikzFilter = walkM tikzBlockFilter
+tikzFilter = walkM . tikzBlockFilter
 
 -- | Requires `rubber` and `poppler_utils`
 tikzBlockFilter :: TikzTemplate -> Block -> Compiler Block
 tikzBlockFilter tmpl (CodeBlock info@(_, "tikzpicture":_, _) contents) = do
     let imageBlock fname = Para [ Image info [] (toSL fname, "") ]
-    makeItem (toSL contents) >>= loadAndApplyTemplate tmpl (bodyField "body") >>=
+    makeItem (toSL contents) >>= applyTemplate tmpl (bodyField "body") >>=
         traverse (convSL $ rubberPipe [ "--pdf" ] >=> unixFilterLBS "pdftocairo" [ "-svg", "-", "-" ]) >>=
-            \(Item _ b) -> imageBlock $ ("data:image/svg+sml;utf8," <>) $ URI.encode $ filter (/= '\n') b
+            \(Item _ b) -> pure $ imageBlock $ ("data:image/svg+sml;utf8," <>) $ URI.encode $ filter (/= '\n') b
 tikzBlockFilter _ x = pure x
+
+
+tikzTemplate :: TikzTemplate
+tikzTemplate = $(embedTemplate "templates/tikz.tex")
+
+tikzBlockFilter_ :: Block -> Compiler Block
+tikzBlockFilter_ = tikzBlockFilter tikzTemplate
+
+tikzFilter_ :: Pandoc -> Compiler Pandoc
+tikzFilter_ = tikzFilter tikzTemplate
-- 
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