From 56217f100404bc277c53518436ea93973c7705ac Mon Sep 17 00:00:00 2001
From: fiddlosopher <fiddlosopher@788f1e2b-df1e-0410-8736-df70ead52e1b>
Date: Thu, 18 Mar 2010 06:45:56 +0000
Subject: Added --mathml option; removed Text.Pandoc.LaTeXMathML.

* Added data/MathMLinHTML.js, which is included when no URL is provided
  for --mathml.  This allows MathML to be displayed in better browsers,
  as text/html.
* The module was no longer necessary; its functionality (two lines)
  was incorporated into pandoc.hs.
* Consolidated the two LaTeXMathML.js files into one.

git-svn-id: https://pandoc.googlecode.com/svn/trunk@1909 788f1e2b-df1e-0410-8736-df70ead52e1b
---
 src/Text/Pandoc/LaTeXMathML.hs  | 13 -------------
 src/Text/Pandoc/Shared.hs       |  1 +
 src/Text/Pandoc/Writers/HTML.hs | 20 ++++++++++++++++++--
 3 files changed, 19 insertions(+), 15 deletions(-)
 delete mode 100644 src/Text/Pandoc/LaTeXMathML.hs

(limited to 'src/Text/Pandoc')

diff --git a/src/Text/Pandoc/LaTeXMathML.hs b/src/Text/Pandoc/LaTeXMathML.hs
deleted file mode 100644
index 0c8f74bdf..000000000
--- a/src/Text/Pandoc/LaTeXMathML.hs
+++ /dev/null
@@ -1,13 +0,0 @@
--- | Definitions for use of LaTeXMathML in HTML.  
--- (See <http://math.etsu.edu/LaTeXMathML/>)
-module Text.Pandoc.LaTeXMathML ( latexMathMLScript ) where
-import System.FilePath ( (</>) )
-import Text.Pandoc.Shared (readDataFile)
-
--- | String containing LaTeXMathML javascript.
-latexMathMLScript :: Maybe FilePath -> IO String
-latexMathMLScript datadir = do
- jsCom <- readDataFile datadir $ "data" </> "LaTeXMathML.js.comment"
- jsPacked <- readDataFile datadir $ "data" </> "LaTeXMathML.js.packed"
- return $ "<script type=\"text/javascript\">\n" ++ jsCom ++ jsPacked ++
-          "</script>\n"
diff --git a/src/Text/Pandoc/Shared.hs b/src/Text/Pandoc/Shared.hs
index a27a2c907..f093ddbee 100644
--- a/src/Text/Pandoc/Shared.hs
+++ b/src/Text/Pandoc/Shared.hs
@@ -979,6 +979,7 @@ data HTMLMathMethod = PlainMath
                     | JsMath (Maybe String)       -- url of jsMath load script
                     | GladTeX
                     | MimeTeX String              -- url of mimetex.cgi 
+                    | MathML (Maybe String)       -- url of MathMLinHTML.js
                     deriving (Show, Read, Eq)
 
 -- | Methods for obfuscating email addresses in HTML.
diff --git a/src/Text/Pandoc/Writers/HTML.hs b/src/Text/Pandoc/Writers/HTML.hs
index 020edea65..ddffa471b 100644
--- a/src/Text/Pandoc/Writers/HTML.hs
+++ b/src/Text/Pandoc/Writers/HTML.hs
@@ -42,6 +42,8 @@ import Data.List ( isPrefixOf, intersperse )
 import Data.Maybe ( catMaybes )
 import Control.Monad.State
 import Text.XHtml.Transitional hiding ( stringToHtml )
+import Text.TeXMath
+import Text.XML.Light.Output
 
 data WriterState = WriterState
     { stNotes            :: [Html]  -- ^ List of notes
@@ -111,17 +113,20 @@ pandocToHtml opts (Pandoc (Meta title' authors' date') blocks) = do
                            LaTeXMathML (Just url) ->
                               script ! 
                               [src url, thetype "text/javascript"] $ noHtml
+                           MathML (Just url) ->
+                              script ! 
+                              [src url, thetype "text/javascript"] $ noHtml
                            JsMath (Just url) ->
                               script !
                               [src url, thetype "text/javascript"] $ noHtml
-                           _ -> case lookup "latexmathml-script" (writerVariables opts) of
+                           _ -> case lookup "mathml-script" (writerVariables opts) of
                                       Just s -> 
                                         script ! [thetype "text/javascript"] <<
                                            primHtml s
                                       Nothing -> noHtml
                 else noHtml
   let newvars = [("highlighting","yes") | stHighlighting st] ++
-                [("math", renderHtmlFragment math) | stMath st] 
+                [("math", renderHtmlFragment math) | stMath st]
   return (tit, auths, date, toc, thebody, newvars)
 
 inTemplate :: TemplateTarget a
@@ -450,6 +455,17 @@ inlineToHtml opts inline =
                                                     alt str, title str]
                                GladTeX ->
                                   return $ primHtml $ "<EQ>" ++ str ++ "</EQ>"
+                               MathML _ -> do
+                                  let dt = if t == InlineMath
+                                              then DisplayInline
+                                              else DisplayBlock
+                                  let conf = useShortEmptyTags (const False)
+                                               defaultConfigPP
+                                  case texMathToMathML dt str of
+                                        Right r -> return $ primHtml $
+                                                    ppcElement conf r
+                                        Left  _ -> inlineToHtml opts
+                                                     (Math t str)
                                PlainMath -> 
                                   inlineListToHtml opts (readTeXMath str) >>=
                                   return . (thespan ! [theclass "math"]) ) 
-- 
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