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-rw-r--r--compiler/app/Main.hs69
1 files changed, 42 insertions, 27 deletions
diff --git a/compiler/app/Main.hs b/compiler/app/Main.hs
index 2fdaf3e..48e5644 100644
--- a/compiler/app/Main.hs
+++ b/compiler/app/Main.hs
@@ -21,6 +21,7 @@ module Main where
21import GHC.Generics (Generic) 21import GHC.Generics (Generic)
22import Paths_ldgallery_compiler (version, getDataFileName) 22import Paths_ldgallery_compiler (version, getDataFileName)
23import Control.Monad (when) 23import Control.Monad (when)
24import Data.Maybe (isJust)
24import Data.Version (showVersion) 25import Data.Version (showVersion)
25import Data.Aeson (ToJSON) 26import Data.Aeson (ToJSON)
26import System.FilePath ((</>)) 27import System.FilePath ((</>))
@@ -43,7 +44,7 @@ data Options = Options
43 , galleryConfig :: FilePath 44 , galleryConfig :: FilePath
44 , rebuilAll :: Bool 45 , rebuilAll :: Bool
45 , cleanOutput :: Bool 46 , cleanOutput :: Bool
46 , withViewer :: Bool 47 , withViewer :: Maybe FilePath
47 } deriving (Show, Data, Typeable) 48 } deriving (Show, Data, Typeable)
48 49
49options :: Options 50options :: Options
@@ -82,11 +83,13 @@ options = Options
82 &= name "clean-output" 83 &= name "clean-output"
83 &= explicit 84 &= explicit
84 &= help "Remove unnecessary files from the output directory" 85 &= help "Remove unnecessary files from the output directory"
85 , withViewer = False 86 , withViewer = Nothing
87 &= typDir
88 &= opt ("" :: FilePath)
86 &= name "w" 89 &= name "w"
87 &= name "with-viewer" 90 &= name "with-viewer"
88 &= explicit 91 &= explicit
89 &= help "Include the static web viewer in the output" 92 &= help "Deploy either the bundled or the given static web viewer to the output directory"
90 } 93 }
91 94
92 &= summary ("ldgallery v" ++ (showVersion version) ++ " - a static web gallery generator with tags") 95 &= summary ("ldgallery v" ++ (showVersion version) ++ " - a static web gallery generator with tags")
@@ -101,15 +104,23 @@ main =
101 do 104 do
102 opts <- cmdArgs options 105 opts <- cmdArgs options
103 buildGallery opts 106 buildGallery opts
104 when (withViewer opts) $ do 107
105 when (cleanOutput opts) $ cleanViewerDir (outputDir opts) 108 when (isJust $ withViewer opts) $ do
106 copyViewer (outputDir opts) 109 viewerDist <- viewerDistPath $ withViewer opts
107 writeViewerConfig (outputDir opts </> "config.json") 110 deployViewer viewerDist opts
108 111
109 where 112 where
110 gallerySubdir :: String 113 gallerySubdir :: String
111 gallerySubdir = "gallery" 114 gallerySubdir = "gallery"
112 115
116 viewerConfig :: ViewerConfig
117 viewerConfig = ViewerConfig (gallerySubdir ++ "/")
118
119 viewerDistPath :: Maybe FilePath -> IO FilePath
120 viewerDistPath (Just "") = getDataFileName "viewer"
121 viewerDistPath (Just dist) = return dist
122 viewerDistPath Nothing = fail "No viewer distribution"
123
113 buildGallery :: Options -> IO () 124 buildGallery :: Options -> IO ()
114 buildGallery opts = 125 buildGallery opts =
115 checkDistinctPaths (inputDir opts) (outputDir opts) 126 checkDistinctPaths (inputDir opts) (outputDir opts)
@@ -122,28 +133,32 @@ main =
122 (rebuilAll opts) 133 (rebuilAll opts)
123 (cleanOutput opts) 134 (cleanOutput opts)
124 where 135 where
136 checkDistinctPaths :: FilePath -> FilePath -> IO ()
125 checkDistinctPaths a b = do 137 checkDistinctPaths a b = do
126 canonicalA <- canonicalizePath a 138 canonicalA <- canonicalizePath a
127 canonicalB <- canonicalizePath b 139 canonicalB <- canonicalizePath b
128 when (canonicalA == canonicalB) $ error "Input and output paths refer to the same location." 140 when (canonicalA == canonicalB) $ error "Input and output paths refer to the same location."
129 141
130 galleryOutputDir :: Options -> FilePath 142 galleryOutputDir :: Options -> FilePath
131 galleryOutputDir opts = 143 galleryOutputDir Options{withViewer, outputDir}
132 if withViewer opts then outputBase </> gallerySubdir else outputBase 144 | isJust withViewer = outputDir </> gallerySubdir
133 where outputBase = outputDir opts 145 | otherwise = outputDir
134 146
135 cleanViewerDir :: FilePath -> IO () 147 deployViewer :: FilePath -> Options -> IO ()
136 cleanViewerDir target = 148 deployViewer distPath Options{outputDir, cleanOutput} =
137 listDirectory target 149 (when cleanOutput $ cleanViewerDir outputDir)
138 >>= return . filter (/= gallerySubdir) 150 >> copyViewer distPath outputDir
139 >>= mapM_ remove . map (target </>) 151 >> writeJSON (outputDir </> "config.json") viewerConfig
140 152
141 copyViewer :: FilePath -> IO () 153 where
142 copyViewer target = 154 cleanViewerDir :: FilePath -> IO ()
143 putStrLn "Copying viewer webapp" 155 cleanViewerDir target =
144 >> getDataFileName "viewer" 156 listDirectory target
145 >>= readDirectory 157 >>= return . filter (/= gallerySubdir)
146 >>= copyTo target 158 >>= mapM_ remove . map (target </>)
147 159
148 writeViewerConfig :: FilePath -> IO () 160 copyViewer :: FilePath -> FilePath -> IO ()
149 writeViewerConfig fileName = writeJSON fileName $ ViewerConfig (gallerySubdir ++ "/") 161 copyViewer dist target =
162 putStrLn "Copying viewer webapp"
163 >> readDirectory dist
164 >>= copyTo target