From e23554cec19d89d7fb0fd5a274565a63197c8780 Mon Sep 17 00:00:00 2001
From: John MacFarlane <jgm@berkeley.edu>
Date: Sun, 15 Mar 2020 09:59:44 -0700
Subject: [PATCH] Update filter code in doc/filters.md...
so it works with latest pandoc. Closes #6185.
---
doc/filters.md | 28 +++++++++++++++++++++-------
1 file changed, 21 insertions(+), 7 deletions(-)
diff --git a/doc/filters.md b/doc/filters.md
index 1e2b0db0d..e398fc468 100644
--- a/doc/filters.md
+++ b/doc/filters.md
@@ -277,11 +277,14 @@ the file given?
#!/usr/bin/env runhaskell
-- includes.hs
import Text.Pandoc.JSON
+import qualified Data.Text.IO as TIO
+import qualified Data.Text as T
doInclude :: Block -> IO Block
doInclude cb@(CodeBlock (id, classes, namevals) contents) =
case lookup "include" namevals of
- Just f -> return . (CodeBlock (id, classes, namevals)) =<< readFile f
+ Just f -> CodeBlock (id, classes, namevals) <$>
+ TIO.readFile (T.unpack f)
Nothing -> return cb
doInclude x = return x
@@ -358,17 +361,23 @@ markdown link with a URL beginning with a hyphen is interpreted as ruby:
[はん](-飯)
~~~ {.haskell}
+{-# LANGUAGE OverloadedStrings #-}
-- handleruby.hs
import Text.Pandoc.JSON
import System.Environment (getArgs)
+import qualified Data.Text as T
handleRuby :: Maybe Format -> Inline -> Inline
-handleRuby (Just format) (Link _ [Str ruby] ('-':kanji,_))
- | format == Format "html" = RawInline format
- $ "<ruby>" ++ kanji ++ "<rp>(</rp><rt>" ++ ruby ++ "</rt><rp>)</rp></ruby>"
- | format == Format "latex" = RawInline format
- $ "\\ruby{" ++ kanji ++ "}{" ++ ruby ++ "}"
- | otherwise = Str ruby
+handleRuby (Just format) x@(Link attr [Str ruby] (src,_)) =
+ case T.uncons src of
+ Just ('-',kanji)
+ | format == Format "html" -> RawInline format $
+ "<ruby>" <> kanji <> "<rp>(</rp><rt>" <> ruby <>
+ "</rt><rp>)</rp></ruby>"
+ | format == Format "latex" -> RawInline format $
+ "\\ruby{" <> kanji <> "}{" <> ruby <> "}"
+ | otherwise -> Str ruby
+ _ -> x
handleRuby _ x = x
main :: IO ()
@@ -395,6 +404,11 @@ Then run it:
^D
\ruby{飯}{はん}
+Note: to use this to generate PDFs via LaTeX, you'll need
+to use `--pdf-engine=xelatex`, specify a `mainfont` that has
+the Japanese characters (e.g. "Noto Sans CJK TC"), and add
+`\usepackage{ruby}` to your template or header-includes.
+
# Exercises
1. Put all the regular text in a markdown document in ALL CAPS