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module Text.Highlighting.Kate.Syntax ( highlightAs, languages, languagesByExtension,
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languagesByFilename ) where
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import Data.Char (toLower)
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import Text.Highlighting.Kate.Definitions
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import Text.Highlighting.Kate.Common (matchGlobs)
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-- | List of supported languages.
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languages = @languages@
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-- | List of language extensions.
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languageExtensions :: [(String, String)]
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languageExtensions = @languageExtensions@
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-- | Returns a list of languages appropriate for the given file extension.
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languagesByExtension :: String -> [String]
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languagesByExtension ('.':ext) = languagesByFilename ("*." ++ ext)
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languagesByExtension ext = languagesByFilename ("*." ++ ext)
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-- | Returns a list of languages appropriate for the given filename.
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languagesByFilename :: FilePath -> [String]
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languagesByFilename fn = [lang | (lang, globs) <- languageExtensions, matchGlobs fn globs]
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-- | Highlight source code using a specified syntax definition.
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highlightAs :: String -- ^ Language syntax
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-> String -- ^ Source code to highlight
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-> Either String [SourceLine] -- ^ Either error message or result
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let lang' = map toLower lang
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lang'' = if lang' `elem` map (map toLower) languages
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else case languagesByExtension lang' of
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[l] -> map toLower l -- go by extension if unambiguous
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_ -> (\_ -> Left ("Unknown language: " ++ lang))
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Text/Highlighting/Kate/Syntax.hs.in
