{- Copyright (C) 2009-2012 John MacFarlane <jgm@berkeley.edu> This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -} {- | Functions for converting between different representations of mathematical formulas. Also note that in general @writeLaTeX . readLaTeX /= id@. A typical use is to combine together a reader and writer. > import Control.Applicative ((<$>)) > import Text.TeXMath (writeMathML, readTeX) > > texMathToMathML :: DisplayType -> String -> Either String Element > texMathToMathML dt s = writeMathML dt <$> readTeX s It is also possible to manipulate the AST using 'Data.Generics'. For example, if you wanted to replace all occurences of the identifier x in your expression, you do could do so with the following script. > import Control.Applicative ((<$>)) > import Data.Generics (everywhere, mkT) > import Text.TeXMath (writeMathML, readTeX) > import Text.TeXMath.Types > import Text.XML.Light (Element) > > changeIdent :: Exp -> Exp > changeIdent (EIdentifier "x") = EIdentifier "y" > changeIdent e = e > > texToMMLWithChangeIdent :: DisplayType -> String -> Either String Element > texToMMLWithChangeIdent dt s = > writeMathML dt . everywhere (mkT changeIdent) <$> readTeX s -} module Text.TeXMath ( readMathML, readOMML, readTeX, writeTeX, writeTeXWith, addLaTeXEnvironment, writeOMML, writeMathML, writePandoc, DisplayType(..), Exp ) where import Text.TeXMath.Readers.TeX import Text.TeXMath.Readers.MathML import Text.TeXMath.Readers.OMML import Text.TeXMath.Writers.MathML import Text.TeXMath.Writers.OMML import Text.TeXMath.Writers.Pandoc import Text.TeXMath.Writers.TeX import Text.TeXMath.Types