skylighting-format-latex-0.1/0000755000000000000000000000000007346545000014500 5ustar0000000000000000skylighting-format-latex-0.1/LICENSE0000644000000000000000000000273007346545000015507 0ustar0000000000000000Copyright (c) 2016-2018, John MacFarlane. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. * The names of the contributors may not be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. skylighting-format-latex-0.1/README.md0000644000000000000000000000015007346545000015753 0ustar0000000000000000# skylighting-format-ansi This package provides functions to render syntax-highlighting as ANSI text. skylighting-format-latex-0.1/skylighting-format-latex.cabal0000644000000000000000000000232507346545000022423 0ustar0000000000000000name: skylighting-format-latex version: 0.1 synopsis: LaTeX formatter for skylighting syntax highlighting library description: This module allows tokens produced by skylighting-core to be rendered as LaTeX macros. homepage: https://github.com/jgm/skylighting license: BSD3 license-file: LICENSE author: John MacFarlane maintainer: jgm@berkeley.edu copyright: (C) 2016-2022 John MacFarlane category: Text build-type: Simple extra-source-files: README.md cabal-version: >=1.10 source-repository head type: git location: https://github.com/jgm/skylighting.git library exposed-modules: Skylighting.Format.LaTeX other-extensions: CPP build-depends: base >= 4.8 && < 5.0, skylighting-core, text, containers hs-source-dirs: src ghc-prof-options: -fprof-auto-exported default-language: Haskell2010 ghc-options: -Wall if impl(ghc >= 8.4) ghc-options: -fhide-source-paths if impl(ghc >= 8.10) ghc-options: -Wunused-packages skylighting-format-latex-0.1/src/Skylighting/Format/0000755000000000000000000000000007346545000021013 5ustar0000000000000000skylighting-format-latex-0.1/src/Skylighting/Format/LaTeX.hs0000644000000000000000000001343707346545000022334 0ustar0000000000000000{-# LANGUAGE CPP #-} {-# LANGUAGE OverloadedStrings #-} {-# LANGUAGE ScopedTypeVariables #-} module Skylighting.Format.LaTeX ( formatLaTeXInline , formatLaTeXBlock , styleToLaTeX ) where import Control.Monad (mplus) import Data.Char (isSpace) import Data.List (sort) import qualified Data.Map as Map import Data.Text (Text) import qualified Data.Text as Text import Skylighting.Types import Text.Printf #if !MIN_VERSION_base(4,11,0) import Data.Semigroup #endif formatLaTeX :: Bool -> [SourceLine] -> Text formatLaTeX inline = Text.intercalate (Text.singleton '\n') . map (sourceLineToLaTeX inline) -- | Formats tokens as LaTeX using custom commands inside -- @|@ characters. Assumes that @|@ is defined as a short verbatim -- command by the macros produced by 'styleToLaTeX'. -- A @KeywordTok@ is rendered using @\\KeywordTok{..}@, and so on. formatLaTeXInline :: FormatOptions -> [SourceLine] -> Text formatLaTeXInline _opts ls = "\\VERB|" <> formatLaTeX True ls <> "|" sourceLineToLaTeX :: Bool -> SourceLine -> Text sourceLineToLaTeX inline = mconcat . map (tokenToLaTeX inline) tokenToLaTeX :: Bool -> Token -> Text tokenToLaTeX inline (NormalTok, txt) | Text.all isSpace txt = escapeLaTeX inline txt tokenToLaTeX inline (toktype, txt) = Text.cons '\\' (Text.pack (show toktype) <> "{" <> escapeLaTeX inline txt <> "}") escapeLaTeX :: Bool -> Text -> Text escapeLaTeX inline = Text.concatMap escapeLaTeXChar where escapeLaTeXChar c = case c of '\\' -> "\\textbackslash{}" '{' -> "\\{" '}' -> "\\}" '|' | inline -> "\\VerbBar{}" -- used in inline verbatim '_' -> "\\_" '&' -> "\\&" '%' -> "\\%" '#' -> "\\#" '`' -> "\\textasciigrave{}" '\'' -> "\\textquotesingle{}" '-' -> "{-}" -- prevent ligatures '~' -> "\\textasciitilde{}" '^' -> "\\^{}" '>' -> "\\textgreater{}" '<' -> "\\textless{}" _ -> Text.singleton c -- LaTeX -- | Format tokens as a LaTeX @Highlighting@ environment inside a -- @Shaded@ environment. @Highlighting@ and @Shaded@ are -- defined by the macros produced by 'styleToLaTeX'. @Highlighting@ -- is a verbatim environment using @fancyvrb@; @\\@, @{@, and @}@ -- have their normal meanings inside this environment, so that -- formatting commands work. @Shaded@ is either nothing -- (if the style's background color is default) or a @snugshade@ -- environment from @framed@, providing a background color -- for the whole code block, even if it spans multiple pages. formatLaTeXBlock :: FormatOptions -> [SourceLine] -> Text formatLaTeXBlock opts ls = Text.unlines ["\\begin{Shaded}" ,"\\begin{Highlighting}[" <> (if numberLines opts then "numbers=left," <> (if startNumber opts == 1 then "" else ",firstnumber=" <> Text.pack (show (startNumber opts))) <> "," else Text.empty) <> "]" ,formatLaTeX False ls ,"\\end{Highlighting}" ,"\\end{Shaded}"] -- | Converts a 'Style' to a set of LaTeX macro definitions, -- which should be placed in the document's preamble. -- Note: default LaTeX setup doesn't allow boldface typewriter font. -- To make boldface work in styles, you need to use a different typewriter -- font. This will work for computer modern: -- -- > \DeclareFontShape{OT1}{cmtt}{bx}{n}{<5><6><7><8><9><10><10.95><12><14.4><17.28><20.74><24.88>cmttb10}{} -- -- Or, with xelatex: -- -- > \usepackage{fontspec} -- > \setmainfont[SmallCapsFont={* Caps}]{Latin Modern Roman} -- > \setsansfont{Latin Modern Sans} -- > \setmonofont[SmallCapsFont={Latin Modern Mono Caps}]{Latin Modern Mono Light} -- styleToLaTeX :: Style -> Text styleToLaTeX f = Text.unlines $ [ "\\usepackage{color}" , "\\usepackage{fancyvrb}" , "\\newcommand{\\VerbBar}{|}" , "\\newcommand{\\VERB}{\\Verb[commandchars=\\\\\\{\\}]}" , "\\DefineVerbatimEnvironment{Highlighting}{Verbatim}{commandchars=\\\\\\{\\}}" , "% Add ',fontsize=\\small' for more characters per line" ] ++ (case backgroundColor f of Nothing -> ["\\newenvironment{Shaded}{}{}"] Just (RGB r g b) -> ["\\usepackage{framed}" ,Text.pack (printf "\\definecolor{shadecolor}{RGB}{%d,%d,%d}" r g b) ,"\\newenvironment{Shaded}{\\begin{snugshade}}{\\end{snugshade}}"]) ++ sort (map (macrodef (defaultColor f) (Map.toList (tokenStyles f))) (enumFromTo KeywordTok NormalTok)) macrodef :: Maybe Color -> [(TokenType, TokenStyle)] -> TokenType -> Text macrodef defaultcol tokstyles tokt = "\\newcommand{\\" <> Text.pack (show tokt) <> "}[1]{" <> Text.pack (co . ul . bf . it . bg $ "#1") <> "}" where tokf = case lookup tokt tokstyles of Nothing -> defStyle Just x -> x ul x = if tokenUnderline tokf then "\\underline{" <> x <> "}" else x it x = if tokenItalic tokf then "\\textit{" <> x <> "}" else x bf x = if tokenBold tokf then "\\textbf{" <> x <> "}" else x bcol = fromColor `fmap` tokenBackground tokf :: Maybe (Double, Double, Double) bg x = case bcol of Nothing -> x Just (r, g, b) -> printf "\\colorbox[rgb]{%0.2f,%0.2f,%0.2f}{%s}" r g b x col = fromColor `fmap` (tokenColor tokf `mplus` defaultcol) :: Maybe (Double, Double, Double) co x = case col of Nothing -> x Just (r, g, b) -> printf "\\textcolor[rgb]{%0.2f,%0.2f,%0.2f}{%s}" r g b x