better generator dispatcher and defaults

human-friendly-id-gen.cabal

@@ -2,7 +2,7 @@
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 0bb664d30c1e0572386dc9e95d45e1f5ec99b28b9c2e2722a81c52887647eb5b
+-- hash: 0e683ac9d8dfb5f4d7ce10cbfd8e10b825fae281ba0c99bb21798b3482443854
 
 name:           human-friendly-id-gen
 version:        0.1.0.0
@@ -47,18 +47,19 @@ library
     , vector
   default-language: Haskell2010
 
-executable human-friendly-id-gen-exe
+executable hfig
   main-is: Main.hs
   other-modules:
       Paths_human_friendly_id_gen
   hs-source-dirs:
       src-exe
   default-extensions: OverloadedStrings NoImplicitPrelude ScopedTypeVariables
-  ghc-options: -Wall -Wcompat -Wincomplete-uni-patterns -Wredundant-constraints -Wnoncanonical-monad-instances -Werror -O2 -threaded -rtsopts -with-rtsopts=-N
+  ghc-options: -Wall -Wcompat -Wincomplete-uni-patterns -Wredundant-constraints -Wnoncanonical-monad-instances -Werror -O2 -threaded -rtsopts -with-rtsopts=-N -optP-Wno-nonportable-include-path
   build-depends:
       base >=4.8 && <5
     , human-friendly-id-gen
     , protolude
+    , text
     , turtle
   default-language: Haskell2010
 

package.yaml

@@ -35,16 +35,18 @@ library:
   - text
   - vector
 executables:
-  human-friendly-id-gen-exe:
+  hfig:
     main: Main.hs
     source-dirs: src-exe
     ghc-options:
     - -threaded
     - -rtsopts
     - -with-rtsopts=-N
+    - -optP-Wno-nonportable-include-path
     dependencies:
     - human-friendly-id-gen
     - turtle
+    - text
 tests:
   human-friendly-id-gen-doctest:
     main: Main.hs

src-exe/Main.hs

@@ -3,6 +3,8 @@ module Main where
 import           Protolude         hiding (FilePath, die)
 
 import           Turtle
+import qualified Data.Text as Text
+
 
 import qualified HFIG.Dictionary   as Dict
 import qualified HFIG.Lovecraftian as Lovecraftian
@@ -13,7 +15,7 @@ main = do
   opts <- options "Generate Human Friendly identifiers" optParser
   case genMode opts of
     Short -> Short.idgen (fromMaybe 4 (optLen opts)) >>= putText
-    Lovecraftian -> Lovecraftian.idgen (fromMaybe 2 (optLen opts)) >>= putText
+    Lovecraftian -> Lovecraftian.idgen (fromMaybe 1 (optLen opts)) >>= putText
     Dict  -> do
       let file = case optDict opts of
                    Just "english"     -> "dictionaries/english.txt"
@@ -39,9 +41,9 @@ optParser = AppOptions
             <*> optional (optInt "len" 'n' "complexity depends on the gen chosen")
 
 toGenMode :: Text -> Maybe GenMode
-toGenMode "s"          = Just Short
-toGenMode "short"      = Just Short
-toGenMode "d"          = Just Dict
-toGenMode "dict"       = Just Dict
-toGenMode "dictionary" = Just Dict
-toGenMode _            = Nothing
+toGenMode "" = Nothing
+toGenMode str
+  | str `Text.isPrefixOf` "short" = Just Short
+  | str `Text.isPrefixOf` "dictionary" = Just Dict
+  | str `Text.isPrefixOf` "lovecraftian" = Just Lovecraftian
+  | otherwise = Nothing