system-locale (empty) → 0.1.0.0

raw patch · 5 files changed

+162/−0 lines, 5 filesdep +basedep +hspecdep +megaparsecsetup-changed

Dependencies added: base, hspec, megaparsec, process, system-locale, time

Files

• LICENSE +30/−0
• Setup.hs +2/−0
• src/System/Locale/Read.hs +91/−0
• system-locale.cabal +38/−0
• test/Spec.hs +1/−0

@@ -0,0 +1,30 @@+Copyright Moritz Kiefer (c) 2016++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.++    * Neither the name of Moritz Kiefer nor the names of other+      contributors may 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+OWNER 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.

@@ -0,0 +1,2 @@+import Distribution.Simple+main = defaultMain

@@ -0,0 +1,91 @@+{-| Read locales on unix systems and parse them into their corresponding 'TimeLocale' representation.+-}+module System.Locale.Read+  (getLocale+  ,getCurrentLocale+  ,parseLocale+  ,TimeLocale(..)+  ,LocaleParseException(..)+  ) where++import Control.Exception+import Data.Time.Format (TimeLocale(..))+import System.Process+import Text.Megaparsec+import Text.Megaparsec.String++-- | Thrown when the locale cannot be parsed+data LocaleParseException =+  LocaleParseException (ParseError Char Dec)+  deriving (Show,Eq)++instance Exception LocaleParseException++-- | 'Parser' for locales returned by the unix utility 'locale'+parseLocale :: Parser TimeLocale+parseLocale =+  do abDay <- parseSemicolonSeparatedLine+     day <- parseSemicolonSeparatedLine+     abMon <- parseSemicolonSeparatedLine+     mon <- parseSemicolonSeparatedLine+     [am,pm] <- parseSemicolonSeparatedLine+     dateTimeFmt' <- manyTill anyChar newline+     dateFmt' <- manyTill anyChar newline+     timeFmt' <- manyTill anyChar newline+     time12Fmt' <- manyTill anyChar newline+     pure (TimeLocale (zip day abDay)+                      (zip mon abMon)+                      (am,pm)+                      dateTimeFmt'+                      dateFmt'+                      timeFmt'+                      time12Fmt'+                      [])++-- | Read a locale with 'LC_TIME' set according to the first argument.+--+-- Throws a 'LocaleParseException' if the output of calling 'locale'+-- cannot be parsed.+--+-- The 'knownTimeZones' field will always be empty.+--+-- > getLocale (Just "en_US.UTF-8")+getLocale :: Maybe String -> IO TimeLocale+getLocale localeName =+  do output <-+       readCreateProcess (getLocaleProcess localeName)+                         ""+     case runParser parseLocale "" output of+       Left err -> throwIO (LocaleParseException err)+       Right locale -> pure locale++-- | Get the current locale of the process.+--+-- Throws a 'LocaleParseException' if the output of calling 'locale'+-- cannot be parsed.+--+-- The 'knownTimeZones' field will always be empty.+getCurrentLocale :: IO TimeLocale+getCurrentLocale = getLocale Nothing++getLocaleProcess :: Maybe String -> CreateProcess+getLocaleProcess localeName =+  (proc "locale"+        ["abday"+        ,"day"+        ,"abmon"+        ,"mon"+        ,"am_pm"+        ,"d_t_fmt"+        ,"d_fmt"+        ,"t_fmt"+        ,"t_fmt_ampm"]) {env = toLangEnv <$> localeName}++parseSemicolonSeparatedLine :: Parser [String]+parseSemicolonSeparatedLine =+  sepBy (many (noneOf [';','\n']))+        (char ';') <*+  newline++toLangEnv :: String -> [(String,String)]+toLangEnv s = [("LC_TIME",s)]

@@ -0,0 +1,38 @@+name:                system-locale+version:             0.1.0.0+synopsis:            Get system locales+description:         Please see README.md+homepage:            https://github.com/cocreature/system-locale+license:             BSD3+license-file:        LICENSE+author:              Moritz Kiefer+maintainer:          moritz.kiefer@purelyfunctional.org+copyright:           2016+category:            Unknown+build-type:          Simple+-- extra-source-files:+cabal-version:       >=1.10++library+  hs-source-dirs:      src+  exposed-modules:     System.Locale.Read+  build-depends:       base >= 4.7 && < 5+                     , megaparsec >= 5.0 && < 5.2+                     , process >= 1.2 && < 1.5+                     , time >= 1.5 && < 1.7+  ghc-options:         -Wall+  default-language:    Haskell2010++test-suite system-locale-test+  type:                exitcode-stdio-1.0+  hs-source-dirs:      test+  main-is:             Spec.hs+  build-depends:       base+                     , hspec+                     , system-locale+  ghc-options:         -threaded -rtsopts -with-rtsopts=-N+  default-language:    Haskell2010++source-repository head+  type:     git+  location: https://github.com/cocreature/system-locale

@@ -0,0 +1,1 @@+{-# OPTIONS_GHC -F -pgmF hspec-discover #-}