9adb694 · rowtype-yoga/purescript-native

git.iko.soy/rowtype-yoga/purescript-native

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Encode non-ascii chars in JS strings with unicode literals

9adb694Gary Burgess13 years ago

src/Language/PureScript/Pretty/JS.hs+9−1

compare with golang

unifiedsplit

@@ -27,6 +27,7 @@ import Control.Arrow ((<+>))

27import Control.PatternArrows

28import Control.Applicative

29import Control.Monad.State

30+import Numeric

31newtype PrinterState = PrinterState { indent :: Int } deriving (Show, Eq, Ord)

32newtype PrinterState = PrinterState { indent :: Int } deriving (Show, Eq, Ord)

@@ -59,7 +60,7 @@ literals = mkPattern' match

59 where

60 where

60 match :: JS -> StateT PrinterState Maybe String

61 match :: JS -> StateT PrinterState Maybe String

61 match (JSNumericLiteral n) = return $ either show show n

62 match (JSNumericLiteral n) = return $ either show show n

62− match (JSStringLiteral s) = return $ show s

63+ match (JSStringLiteral s) = return $ '"' : concatMap encodeChar s ++ "\""

63 match (JSBooleanLiteral True) = return "true"

64 match (JSBooleanLiteral True) = return "true"

64 match (JSBooleanLiteral False) = return "false"

65 match (JSBooleanLiteral False) = return "false"

65 match (JSArrayLiteral xs) = fmap concat $ sequence

66 match (JSArrayLiteral xs) = fmap concat $ sequence

@@ -140,6 +141,13 @@ literals = mkPattern' match

140 match (JSRaw js) = return js

141 match (JSRaw js) = return js

141 match _ = mzero

142 match _ = mzero

142

143

144+ encodeChar :: Char -> String

145+ encodeChar '\r' = "\\r"

146+ encodeChar '\n' = "\\n"

147+ encodeChar c | fromEnum c > 0xFFF = "\\u" ++ showHex (fromEnum c) ""

148+ encodeChar c | fromEnum c > 0xFF = "\\u0" ++ showHex (fromEnum c) ""

149+ encodeChar c = [c]

150+

143conditional :: Pattern PrinterState JS ((JS, JS), JS)

151conditional :: Pattern PrinterState JS ((JS, JS), JS)

144conditional = mkPattern match

152conditional = mkPattern match

145 where

153 where