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| author | John MacFarlane <jgm@berkeley.edu> | 2021-03-20 00:02:24 -0700 |
|---|---|---|
| committer | John MacFarlane <jgm@berkeley.edu> | 2021-03-20 00:24:49 -0700 |
| commit | a1a57bce4e32cc26b968bcc2847a8e8da30f725b (patch) | |
| tree | 9adc14014aff9edaa5e801d259b7976817eaf683 /src/Text/Pandoc/Shared.hs | |
| parent | ceadf33246bcc42747b42c10c108bfc7d8663ab7 (diff) | |
| download | pandoc-a1a57bce4e32cc26b968bcc2847a8e8da30f725b.tar.gz | |
T.P.Shared: remove `backslashEscapes`, `escapeStringUsing`.
[API change]
These are inefficient association list lookups.
Replace with more efficient functions in the writers that
used them (with 10-25% performance improvements in
haddock, org, rtf, texinfo writers).
Diffstat (limited to 'src/Text/Pandoc/Shared.hs')
| -rw-r--r-- | src/Text/Pandoc/Shared.hs | 13 |
1 files changed, 0 insertions, 13 deletions
diff --git a/src/Text/Pandoc/Shared.hs b/src/Text/Pandoc/Shared.hs index 46aea9c03..23adff909 100644 --- a/src/Text/Pandoc/Shared.hs +++ b/src/Text/Pandoc/Shared.hs @@ -26,8 +26,6 @@ module Text.Pandoc.Shared ( findM, -- * Text processing tshow, - backslashEscapes, - escapeStringUsing, elemText, notElemText, stripTrailingNewlines, @@ -184,17 +182,6 @@ findM p = foldr go (pure Nothing) tshow :: Show a => a -> T.Text tshow = T.pack . show --- | Returns an association list of backslash escapes for the --- designated characters. -backslashEscapes :: [Char] -- ^ list of special characters to escape - -> [(Char, T.Text)] -backslashEscapes = map (\ch -> (ch, T.pack ['\\',ch])) - --- | Escape a string of characters, using an association list of --- characters and strings. -escapeStringUsing :: [(Char, T.Text)] -> T.Text -> T.Text -escapeStringUsing tbl = T.concatMap $ \c -> fromMaybe (T.singleton c) $ lookup c tbl - -- | @True@ exactly when the @Char@ appears in the @Text@. elemText :: Char -> T.Text -> Bool elemText c = T.any (== c) |