1 files changed, 36 insertions, 0 deletions
diff --git a/tools/specfilter.hs b/tools/specfilter.hs
new file mode 100755
index 0000000..7a7676b
--- /dev/null
+++ b/tools/specfilter.hs
@@ -0,0 +1,36 @@
+#!/usr/bin/env runhaskell
+
+import Text.Pandoc.JSON
+import Text.Pandoc.Generic
+
+main = toJSONFilter go
+  where go :: Pandoc -> Pandoc
+        go = bottomUp exampleDivs . bottomUp (concatMap anchors)
+
+exampleDivs :: Block -> Block
+exampleDivs (Div (ident, ["example"], kvs)
+            [ d@(Div (_,["examplenum"],_) _),
+              c1@(CodeBlock (_,["markdown"],_) _),
+              c2@(CodeBlock (_,["html"],_) _)
+            ]) = Div (ident, ["example"], kvs)
+            [ rawtex "\\begin{minipage}[t]{\\textwidth}\n{\\scriptsize "
+            , d
+            , rawtex "\\vspace{-1em}}"
+            , rawtex "\\begin{minipage}[t]{0.49\\textwidth}\n\\definecolor{shadecolor}{gray}{0.85}\n"
+            , addBreaks c1
+            , rawtex "\\end{minipage}\n\\hfill\n\\begin{minipage}[t]{0.49\\textwidth}\n\\definecolor{shadecolor}{gray}{0.95}\n"
+            , addBreaks c2
+            , rawtex "\\end{minipage}\n\\end{minipage}"
+            ]
+  where rawtex = RawBlock (Format "latex")
+        addBreaks (CodeBlock attrs code) = CodeBlock attrs $ addBreaks' code
+        addBreaks' code =
+          if length code > 49
+             then take 49 code ++ ('\n':addBreaks' (drop 49 code))
+             else code
+exampleDivs x = x
+
+anchors :: Inline -> [Inline]
+anchors (Link text ('@':lab,_)) =
+  [RawInline (Format "latex") ("\\hyperdef{}{" ++ lab ++ "}{\\label{" ++ lab ++ "}}"), Strong text]
+anchors x = [x]