move option parsing to lib

app/Main.hs

@@ -4,58 +4,7 @@ import GEval
 import System.Environment
 
 import Options.Applicative
-
-fullOptionsParser = info (helper <*> optionsParser)
-       (fullDesc
-        <> progDesc "Run evaluation for tests in Gonito platform"
-        <> header "geval - stand-alone evaluation tool for tests in Gonito platform")
-
-optionsParser :: Parser GEvalOptions
-optionsParser = GEvalOptions
-   <$> switch
-      ( long "init"
-         <> help "Init a sample Gonito challange rather than run an evaluation" )
-   <*> specParser
-
-specParser :: Parser GEvalSpecification
-specParser = GEvalSpecification
-  <$> strOption
-  ( long "out-directory"
-    <> value defaultOutDirectory
-    <> showDefault
-    <> metavar "OUT-DIRECTORY"
-    <> help "Directory with test results to be evaluated" )
-  <*> optional (strOption
-                ( long "expected-directory"
-                  <> metavar "EXPECTED-DIRECTORY"
-                  <> help "Directory with expected test results (if not specified the same as OUT-DIRECTORY)" ))
-  <*> strOption
-  ( long "test-name"
-    <> value defaultTestName
-    <> showDefault
-    <> metavar "NAME"
-    <> help "Test name (i.e. subdirectory with results or expected results)" )
-  <*> strOption
-  ( long "out-file"
-    <> value defaultOutFile
-    <> showDefault
-    <> metavar "OUT"
-    <> help "The name of the file to be evaluated" )
-  <*> strOption
-  ( long "expected-file"
-    <> value defaultExpectedFile
-    <> showDefault
-    <> metavar "EXPECTED"
-    <> help "The name of the file with expected results" )
-  <*> metricReader
-
-metricReader :: Parser Metric
-metricReader = option auto
-               ( long "metric"
-                 <> value defaultMetric
-                 <> showDefault
-                 <> metavar "METRIC"
-                 <> help "Metric to be used" )
+import OptionsParser
 
 main :: IO ()
 main = do

geval.cabal

@@ -5,8 +5,8 @@ description:         Please see README.md
 homepage:            http://github.com/name/project
 license:             Apache
 license-file:        LICENSE
-author:              Your name here
-maintainer:          your.address@example.com
+author:              Filip Gralinski
+maintainer:          filipg@amu.edu.pl
 -- copyright:
 category:            Web
 build-type:          Simple
@@ -16,6 +16,7 @@ cabal-version:       >=1.10
 library
   hs-source-dirs:      src
   exposed-modules:     GEval
+                     , OptionsParser
   build-depends:       base >= 4.7 && < 5
                      , cond
                      , conduit
@@ -23,6 +24,7 @@ library
                      , conduit-extra
                      , directory
                      , filepath
+                     , optparse-applicative
                      , resourcet
                      , text
   default-language:    Haskell2010

src/OptionsParser.hs

@@ -0,0 +1,57 @@
+module OptionsParser
+       (fullOptionsParser) where
+
+import Options.Applicative
+import GEval
+
+fullOptionsParser = info (helper <*> optionsParser)
+       (fullDesc
+        <> progDesc "Run evaluation for tests in Gonito platform"
+        <> header "geval - stand-alone evaluation tool for tests in Gonito platform")
+
+optionsParser :: Parser GEvalOptions
+optionsParser = GEvalOptions
+   <$> switch
+      ( long "init"
+         <> help "Init a sample Gonito challange rather than run an evaluation" )
+   <*> specParser
+
+specParser :: Parser GEvalSpecification
+specParser = GEvalSpecification
+  <$> strOption
+  ( long "out-directory"
+    <> value defaultOutDirectory
+    <> showDefault
+    <> metavar "OUT-DIRECTORY"
+    <> help "Directory with test results to be evaluated" )
+  <*> optional (strOption
+                ( long "expected-directory"
+                  <> metavar "EXPECTED-DIRECTORY"
+                  <> help "Directory with expected test results (if not specified the same as OUT-DIRECTORY)" ))
+  <*> strOption
+  ( long "test-name"
+    <> value defaultTestName
+    <> showDefault
+    <> metavar "NAME"
+    <> help "Test name (i.e. subdirectory with results or expected results)" )
+  <*> strOption
+  ( long "out-file"
+    <> value defaultOutFile
+    <> showDefault
+    <> metavar "OUT"
+    <> help "The name of the file to be evaluated" )
+  <*> strOption
+  ( long "expected-file"
+    <> value defaultExpectedFile
+    <> showDefault
+    <> metavar "EXPECTED"
+    <> help "The name of the file with expected results" )
+  <*> metricReader
+
+metricReader :: Parser Metric
+metricReader = option auto
+               ( long "metric"
+                 <> value defaultMetric
+                 <> showDefault
+                 <> metavar "METRIC"
+                 <> help "Metric to be used" )