gtfs realtime proof of concept

this adds a package for protobuf stuff, generated via hprotoc. Seems to
work kinda fine?

(the generated API is horrible though, will have to write some wrappers
for that)

1 files changed, 101 insertions, 0 deletions

diff --git a/gtfs/GTFS/Realtime/TranslatedImage/LocalizedImage.hs b/gtfs/GTFS/Realtime/TranslatedImage/LocalizedImage.hs
new file mode 100644
index 0000000..d1bc9ab
--- /dev/null
+++ b/gtfs/GTFS/Realtime/TranslatedImage/LocalizedImage.hs
@@ -0,0 +1,101 @@
+{-# LANGUAGE BangPatterns, DataKinds, DeriveDataTypeable, DeriveGeneric, FlexibleInstances, MultiParamTypeClasses, OverloadedStrings
+ #-}
+{-# OPTIONS_GHC  -w #-}
+module GTFS.Realtime.TranslatedImage.LocalizedImage (LocalizedImage(..)) where
+import Prelude ((+), (/), (++), (.), (==), (<=), (&&))
+import qualified Prelude as Prelude'
+import qualified Data.List as Prelude'
+import qualified Data.Typeable as Prelude'
+import qualified GHC.Generics as Prelude'
+import qualified Data.Data as Prelude'
+import qualified Text.ProtocolBuffers.Header as P'
+
+data LocalizedImage = LocalizedImage{url :: !(P'.Utf8), media_type :: !(P'.Utf8), language :: !(P'.Maybe P'.Utf8),
+                                     ext'field :: !(P'.ExtField)}
+                      deriving (Prelude'.Show, Prelude'.Eq, Prelude'.Ord, Prelude'.Typeable, Prelude'.Data, Prelude'.Generic)
+
+instance P'.ExtendMessage LocalizedImage where
+  getExtField = ext'field
+  putExtField e'f msg = msg{ext'field = e'f}
+  validExtRanges msg = P'.extRanges (P'.reflectDescriptorInfo msg)
+
+instance P'.Mergeable LocalizedImage where
+  mergeAppend (LocalizedImage x'1 x'2 x'3 x'4) (LocalizedImage y'1 y'2 y'3 y'4)
+   = let !z'1 = P'.mergeAppend x'1 y'1
+         !z'2 = P'.mergeAppend x'2 y'2
+         !z'3 = P'.mergeAppend x'3 y'3
+         !z'4 = P'.mergeAppend x'4 y'4
+      in LocalizedImage z'1 z'2 z'3 z'4
+
+instance P'.Default LocalizedImage where
+  defaultValue = LocalizedImage P'.defaultValue P'.defaultValue P'.defaultValue P'.defaultValue
+
+instance P'.Wire LocalizedImage where
+  wireSize ft' self'@(LocalizedImage x'1 x'2 x'3 x'4)
+   = case ft' of
+       10 -> calc'Size
+       11 -> P'.prependMessageSize calc'Size
+       _ -> P'.wireSizeErr ft' self'
+    where
+        calc'Size = (P'.wireSizeReq 1 9 x'1 + P'.wireSizeReq 1 9 x'2 + P'.wireSizeOpt 1 9 x'3 + P'.wireSizeExtField x'4)
+  wirePutWithSize ft' self'@(LocalizedImage x'1 x'2 x'3 x'4)
+   = case ft' of
+       10 -> put'Fields
+       11 -> put'FieldsSized
+       _ -> P'.wirePutErr ft' self'
+    where
+        put'Fields
+         = P'.sequencePutWithSize
+            [P'.wirePutReqWithSize 10 9 x'1, P'.wirePutReqWithSize 18 9 x'2, P'.wirePutOptWithSize 26 9 x'3,
+             P'.wirePutExtFieldWithSize x'4]
+        put'FieldsSized
+         = let size' = Prelude'.fst (P'.runPutM put'Fields)
+               put'Size
+                = do
+                    P'.putSize size'
+                    Prelude'.return (P'.size'WireSize size')
+            in P'.sequencePutWithSize [put'Size, put'Fields]
+  wireGet ft'
+   = case ft' of
+       10 -> P'.getBareMessageWith (P'.catch'Unknown' P'.discardUnknown update'Self)
+       11 -> P'.getMessageWith (P'.catch'Unknown' P'.discardUnknown update'Self)
+       _ -> P'.wireGetErr ft'
+    where
+        update'Self wire'Tag old'Self
+         = case wire'Tag of
+             10 -> Prelude'.fmap (\ !new'Field -> old'Self{url = new'Field}) (P'.wireGet 9)
+             18 -> Prelude'.fmap (\ !new'Field -> old'Self{media_type = new'Field}) (P'.wireGet 9)
+             26 -> Prelude'.fmap (\ !new'Field -> old'Self{language = Prelude'.Just new'Field}) (P'.wireGet 9)
+             _ -> let (field'Number, wire'Type) = P'.splitWireTag wire'Tag in
+                   if Prelude'.or [1000 <= field'Number && field'Number <= 1999, 9000 <= field'Number && field'Number <= 9999] then
+                    P'.loadExtension field'Number wire'Type old'Self else P'.unknown field'Number wire'Type old'Self
+
+instance P'.MessageAPI msg' (msg' -> LocalizedImage) LocalizedImage where
+  getVal m' f' = f' m'
+
+instance P'.GPB LocalizedImage
+
+instance P'.ReflectDescriptor LocalizedImage where
+  getMessageInfo _ = P'.GetMessageInfo (P'.fromDistinctAscList [10, 18]) (P'.fromDistinctAscList [10, 18, 26])
+  reflectDescriptorInfo _
+   = Prelude'.read
+      "DescriptorInfo {descName = ProtoName {protobufName = FIName \".transit_realtime.TranslatedImage.LocalizedImage\", haskellPrefix = [], parentModule = [MName \"GTFS\",MName \"Realtime\",MName \"TranslatedImage\"], baseName = MName \"LocalizedImage\"}, descFilePath = [\"GTFS\",\"Realtime\",\"TranslatedImage\",\"LocalizedImage.hs\"], isGroup = False, fields = fromList [FieldInfo {fieldName = ProtoFName {protobufName' = FIName \".transit_realtime.TranslatedImage.LocalizedImage.url\", haskellPrefix' = [], parentModule' = [MName \"GTFS\",MName \"Realtime\",MName \"TranslatedImage\",MName \"LocalizedImage\"], baseName' = FName \"url\", baseNamePrefix' = \"\"}, fieldNumber = FieldId {getFieldId = 1}, wireTag = WireTag {getWireTag = 10}, packedTag = Nothing, wireTagLength = 1, isPacked = False, isRequired = True, canRepeat = False, mightPack = False, typeCode = FieldType {getFieldType = 9}, typeName = Nothing, hsRawDefault = Nothing, hsDefault = Nothing, isMapField = False, mapKeyVal = Nothing},FieldInfo {fieldName = ProtoFName {protobufName' = FIName \".transit_realtime.TranslatedImage.LocalizedImage.media_type\", haskellPrefix' = [], parentModule' = [MName \"GTFS\",MName \"Realtime\",MName \"TranslatedImage\",MName \"LocalizedImage\"], baseName' = FName \"media_type\", baseNamePrefix' = \"\"}, fieldNumber = FieldId {getFieldId = 2}, wireTag = WireTag {getWireTag = 18}, packedTag = Nothing, wireTagLength = 1, isPacked = False, isRequired = True, canRepeat = False, mightPack = False, typeCode = FieldType {getFieldType = 9}, typeName = Nothing, hsRawDefault = Nothing, hsDefault = Nothing, isMapField = False, mapKeyVal = Nothing},FieldInfo {fieldName = ProtoFName {protobufName' = FIName \".transit_realtime.TranslatedImage.LocalizedImage.language\", haskellPrefix' = [], parentModule' = [MName \"GTFS\",MName \"Realtime\",MName \"TranslatedImage\",MName \"LocalizedImage\"], baseName' = FName \"language\", baseNamePrefix' = \"\"}, fieldNumber = FieldId {getFieldId = 3}, wireTag = WireTag {getWireTag = 26}, packedTag = Nothing, wireTagLength = 1, isPacked = False, isRequired = False, canRepeat = False, mightPack = False, typeCode = FieldType {getFieldType = 9}, typeName = Nothing, hsRawDefault = Nothing, hsDefault = Nothing, isMapField = False, mapKeyVal = Nothing}], descOneofs = fromList [], keys = fromList [], extRanges = [(FieldId {getFieldId = 1000},FieldId {getFieldId = 1999}),(FieldId {getFieldId = 9000},FieldId {getFieldId = 9999})], knownKeys = fromList [], storeUnknown = False, lazyFields = False, makeLenses = False, jsonInstances = False, mapEntry = False}"
+
+instance P'.TextType LocalizedImage where
+  tellT = P'.tellSubMessage
+  getT = P'.getSubMessage
+
+instance P'.TextMsg LocalizedImage where
+  textPut msg
+   = do
+       P'.tellT "url" (url msg)
+       P'.tellT "media_type" (media_type msg)
+       P'.tellT "language" (language msg)
+  textGet
+   = do
+       mods <- P'.sepEndBy (P'.choice [parse'url, parse'media_type, parse'language]) P'.spaces
+       Prelude'.return (Prelude'.foldl' (\ v f -> f v) P'.defaultValue mods)
+    where
+        parse'url = Prelude'.fmap (\ v o -> o{url = v}) (P'.try (P'.getT "url"))
+        parse'media_type = Prelude'.fmap (\ v o -> o{media_type = v}) (P'.try (P'.getT "media_type"))
+        parse'language = Prelude'.fmap (\ v o -> o{language = v}) (P'.try (P'.getT "language"))
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