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lib: Fix quoteIfNeeded so it actually escapes quotes.

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This commit is contained in:
Stephen Morgan 2020-09-01 11:41:55 +10:00
parent 07dd30c1e5
commit 7d1e6d7d12
1 changed files with 2 additions and 8 deletions
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10
hledger-lib/Hledger/Utils/String.hs
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@ -13,7 +13,6 @@ module Hledger.Utils.String (
singleQuoteIfNeeded,
-- quotechars,
-- whitespacechars,
escapeQuotes,
words',
unwords',
stripAnsi,
@ -120,8 +119,9 @@ underline s = s' ++ replicate (length s) '-' ++ "\n"
-- | Double-quote this string if it contains whitespace, single quotes
-- or double-quotes, escaping the quotes as needed.
quoteIfNeeded :: String -> String
quoteIfNeeded s | any (`elem` s) (quotechars++whitespacechars++redirectchars) = "\"" ++ escapeDoubleQuotes s ++ "\""
quoteIfNeeded s | any (`elem` s) (quotechars++whitespacechars++redirectchars) = show s
| otherwise = s
-- | Single-quote this string if it contains whitespace or double-quotes.
-- No good for strings containing single quotes.
singleQuoteIfNeeded :: String -> String
@ -133,12 +133,6 @@ quotechars = "'\""
whitespacechars = " \t\n\r"
redirectchars = "<>"
escapeDoubleQuotes :: String -> String
escapeDoubleQuotes = id -- regexReplace "\"" "\""
escapeQuotes :: String -> String
escapeQuotes = id -- regexReplace "([\"'])" "\\1"
-- | Quote-aware version of words - don't split on spaces which are inside quotes.
-- NB correctly handles "a'b" but not "''a''". Can raise an error if parsing fails.
words' :: String -> [String]