Modulehosc-0.20Haskell2010

Sound.Osc.Text

A simple and unambigous text encoding for Osc.

2 types
32 values

Packagehosc-0.20
Exports34
LanguageHaskell2010
LicenceGPL-3.0-only
SourceText.hs

typetype FpPrecision = Maybe Int

Precision value for floating point numbers.

valueshowFloatWithPrecision :: RealFloat n => FpPrecision -> n -> String

Variant of showFFloat that deletes trailing zeros.

map (showFloatWithPrecision (Just 4)) [1, 2.0, pi] == ["1.0", "2.0", "3.1416"]

valueshowBytes :: [Int] -> String

Hex encoded byte sequence.

showBytes [0, 15, 16, 144, 255] == "000f1090ff"

valueescapeString :: String -> String

Escape whites space (space, tab, newline) and the escape character (backslash).

mapM_ (putStrLn .  escapeString) ["str", "str ", "st r", "s\tr", "s\\tr", "\nstr"]

valueshowDatum :: FpPrecision -> Datum -> String

Printer for Datum.

aDatumSeq = [Int32 1,Float 1.2,string "str",midi (0,0x90,0x40,0x60),blob [12,16], TimeStamp 100.0]
map (showDatum (Just 5)) aDatumSeq == ["1","1.2","str","00904060","0c10","429496729600"]

valueshowMessage :: FpPrecision -> Message -> String

Printer for Message.

aMessage = Message "/addr" [Int32 1, Int64 2, Float 3, Double 4, string "five", blob [6, 7], midi (8, 9, 10, 11)]
showMessage (Just 4) aMessage

aMessageSeq = [Message "/c_set" [Int32 1, Float 2.3], Message "/s_new" [string "sine", Int32 (-1), Int32 1, Int32 1]]
map (showMessage (Just 4)) aMessageSeq

valueshowBundle :: FpPrecision -> Bundle -> String

Printer for Bundle

aBundle = Bundle 1 [Message "/c_set" [Int32 1, Float 2.3, Int64 4, Double 5.6], Message "/memset" [string "addr", blob [7, 8]]]
showBundle (Just 4) aBundle

valueshowPacket :: FpPrecision -> Packet -> String

Printer for Packet.

Parser

26 declarations

typetype P a = GenParser Char () a

A character parser with no user state.

value(>>~) :: Monad m => m t -> m u -> m t

Run p then q, returning result of p.

valuelexemeP :: P t -> P t

p as lexeme, i.e. consuming any trailing white space.

valuestringCharP :: P Char

Any non-space character. Allow escaped space.

valuestringP :: P String

Parser for string.

valueoscAddressP :: P String

Parser for Osc address.

valueoscSignatureP :: P String

Parser for Osc signature.

valuedigitP :: P Char

Parser for decimal digit.

valueallowNegativeP :: Num n => P n -> P n

valuenonNegativeIntegerP :: (Integral n, Read n) => P n

Parser for non-negative integer.

valueintegerP :: (Integral n, Read n) => P n

Parser for integer.

valuenonNegativeFloatP :: (Fractional n, Read n) => P n

Parser for non-negative float.

valuefloatP :: (Fractional n, Read n) => P n

Parser for non-negative float.

valuehexdigitP :: P Char

Parser for hexadecimal digit.

valuebyteP :: (Integral n, Read n) => P n

Byte parser.

valuebyteSeqP :: (Integral n, Read n) => P [n]

Byte sequence parser.

valuedatumP :: Char -> P Datum

Datum parser.

valuemessageP :: P Message

Message parser.

valuebundleTagP :: P String

Bundle tag parser.

valuebundleP :: P Bundle

Bundle parser.

valuepacketP :: P Packet

Packet parser.

valuerunP :: P t -> String -> t

Run parser.

valueparseDatum :: Char -> String -> Datum

Run datum parser.

parseDatum 'i' "-1" == Int32 (-1)
parseDatum 'f' "-2.3" == Float (-2.3)

valueparseMessage :: String -> Message

Run message parser.

aMessageSeq = [Message "/c_set" [Int32 1, Float 2.3, Int64 4, Double 5.6], Message "/memset" [string "addr", blob [7, 8]]]
map (parseMessage . showMessage (Just 4)) aMessageSeq  == aMessageSeq

valueparseBundle :: String -> Bundle

Run bundle parser.

aBundle = Bundle 1 [Message "/c_set" [Int32 1, Float 2.3, Int64 4, Double 5.6], Message "/memset" [string "addr", blob [7, 8]]]
parseBundle (showBundle (Just 4) aBundle) == aBundle

valueparsePacket :: String -> Packet

Run packet parser.

aPacket = Packet_Bundle (Bundle 1 [Message "/c_set" [Int32 1, Float 2.3, Int64 4, Double 5.6], Message "/memset" [string "addr", blob [7, 8]]])
parsePacket (showPacket (Just 4) aPacket) == aPacket