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BiobaseXNA 0.8.3.0 → 0.9.1.0

raw patch · 28 files changed

+1885/−1244 lines, 28 filesdep +BiobaseXNAdep +aesondep +bimapsdep −mtldep −repadep ~PrimitiveArraydep ~basedep ~bytestring

Dependencies added: BiobaseXNA, aeson, bimaps, binary, bytes, cereal, cereal-vector, hashable, lens, split, vector-binary-instances

Dependencies removed: mtl, repa

Dependency ranges changed: PrimitiveArray, base, bytestring, cmdargs, containers, csv, file-embed, primitive, text, tuple, vector, vector-th-unbox

Files

− Biobase/AAseq.hs
@@ -1,254 +0,0 @@-{-# LANGUAGE FlexibleInstances #-}-{-# LANGUAGE TypeOperators #-}-{-# LANGUAGE MultiParamTypeClasses #-}-{-# LANGUAGE GeneralizedNewtypeDeriving #-}-{-# LANGUAGE StandaloneDeriving #-}-{-# LANGUAGE PatternGuards #-}-{-# LANGUAGE ViewPatterns #-}-{-# LANGUAGE TemplateHaskell #-}-{-# LANGUAGE TypeFamilies #-}---- | This module has the translation tables for the genetic code.--module Biobase.AAseq where--import           Control.Arrow ((***))-import           Data.Ix (Ix(..))-import           Data.Primitive.Types-import           Data.Tuple (swap)-import           Data.Vector.Unboxed.Deriving-import           GHC.Base (remInt,quotInt)-import qualified Data.ByteString.Char8 as BS-import qualified Data.ByteString.Lazy.Char8 as BSL-import qualified Data.Map.Strict as M-import qualified Data.Text as T-import qualified Data.Vector.Generic as VG-import qualified Data.Vector.Generic.Mutable as VGM-import qualified Data.Vector.Unboxed as VU--import           Data.Array.Repa.ExtShape-import           Data.Array.Repa.Index-import           Data.Array.Repa.Shape--import           Biobase.Primary------ | The amino acid newtype.--newtype AA = AA { unAA :: Int }-  deriving (Eq,Ord,Ix)------ * Creating functions and aa data.--(aStop:aA:aB:aC:aD:aE:aF:aG:aH:aI:aK:aL:aM:aN:aP:aQ:aR:aS:aT:aV:aW:aX:aY:aZ:aUndefined:_) = map AA [0..]--aaRange = [aStop .. pred aUndefined]---- | Translate 'Char' amino acid representation into efficient 'AA' newtype.--toAA :: Char -> AA-toAA ((`lookup` charAAList) -> Just aa) = aa-toAA c = error $ "unknown AA: " ++ show c---- | 'Char' representation of an 'AA'.--fromAA :: AA -> Char-fromAA ((`lookup` aACharList) -> Just c) = c-fromAA (AA aa) = error $ "unknown AA: " ++ (show aa)---- | Create amino acid sequences from different data sources.--class MkAAseq x where-  mkAAseq :: x -> VU.Vector AA--type AAseq = VU.Vector AA---- | Using the codon table, create an 'AAseq' from the 'Primary' sequence.--primaryToAAseq :: Primary -> AAseq-primaryToAAseq = mkAAseq . go where-  go (VU.length -> 0) = []-  go (VU.splitAt 3 -> (VU.toList -> hs,ts)) = case M.lookup hs nucCodonTable of-    Just aa -> aa : go ts-    _       -> error $ "primaryToAAseq: " ++ show (hs,ts)------ * lookup tables--charAAList =-  [ ('/',aStop)-  , ('A',aA)-  , ('B',aB)-  , ('C',aC)-  , ('D',aD)-  , ('E',aE)-  , ('F',aF)-  , ('G',aG)-  , ('H',aH)-  , ('I',aI)-  , ('K',aK)-  , ('L',aL)-  , ('M',aM)-  , ('N',aN)-  , ('P',aP)-  , ('Q',aQ)-  , ('R',aR)-  , ('S',aS)-  , ('T',aT)-  , ('V',aV)-  , ('W',aW)-  , ('X',aX)-  , ('Y',aY)-  , ('Z',aZ)-  ]--aACharList = map swap charAAList--codonTable = M.fromList-  [ ("aaa",'K')-  , ("aac",'N')-  , ("aag",'K')-  , ("aat",'N')-  , ("aca",'T')-  , ("acc",'T')-  , ("acg",'T')-  , ("act",'T')-  , ("aga",'R')-  , ("agc",'S')-  , ("agg",'R')-  , ("agt",'S')-  , ("ata",'I')-  , ("atc",'I')-  , ("atg",'M')-  , ("att",'I')-  , ("caa",'Q')-  , ("cac",'H')-  , ("cag",'Q')-  , ("cat",'H')-  , ("cca",'P')-  , ("ccc",'P')-  , ("ccg",'P')-  , ("cct",'P')-  , ("cga",'R')-  , ("cgc",'R')-  , ("cgg",'R')-  , ("cgt",'R')-  , ("cta",'L')-  , ("ctc",'L')-  , ("ctg",'L')-  , ("ctt",'L')-  , ("gaa",'E')-  , ("gac",'D')-  , ("gag",'E')-  , ("gat",'D')-  , ("gca",'A')-  , ("gcc",'A')-  , ("gcg",'A')-  , ("gct",'A')-  , ("gga",'G')-  , ("ggc",'G')-  , ("ggg",'G')-  , ("ggt",'G')-  , ("gta",'V')-  , ("gtc",'V')-  , ("gtg",'V')-  , ("gtt",'V')-  , ("taa",'/')-  , ("tac",'Y')-  , ("tag",'/')-  , ("tat",'Y')-  , ("tca",'S')-  , ("tcc",'S')-  , ("tcg",'S')-  , ("tct",'S')-  , ("tga",'/')-  , ("tgc",'C')-  , ("tgg",'W')-  , ("tgt",'C')-  , ("tta",'L')-  , ("ttc",'F')-  , ("ttg",'L')-  , ("ttt",'F')-  ]--nucCodonTable = M.fromList . map (map mkNuc *** toAA) . M.assocs $ codonTable------ * instances--instance Show AA where-  show n = [fromAA n]--instance Read AA where-  readsPrec p [] = []-  readsPrec p (x:xs)-    | x==' ' = readsPrec p xs-    | Just aa <- x `lookup` charAAList = [(aa,xs)]-    | otherwise = []--instance (Shape sh,Show sh) => Shape (sh :. AA) where-  rank (sh:._) = rank sh + 1-  zeroDim = zeroDim:.AA 0-  unitDim = unitDim:.AA 1 -- TODO does this one make sense?-  intersectDim (sh1:.n1) (sh2:.n2) = intersectDim sh1 sh2 :. min n1 n2-  addDim (sh1:.AA n1) (sh2:.AA n2) = addDim sh1 sh2 :. AA (n1+n2) -- TODO will not necessarily yield a valid Nuc-  size (sh1:.AA n) = size sh1 * n-  sizeIsValid (sh1:.AA n) = sizeIsValid (sh1:.n)-  toIndex (sh1:.AA sh2) (sh1':.AA sh2') = toIndex (sh1:.sh2) (sh1':.sh2')-  fromIndex (ds:.AA d) n = fromIndex ds (n `quotInt` d) :. AA r where-                              r | rank ds == 0 = n-                                | otherwise    = n `remInt` d-  inShapeRange (sh1:.n1) (sh2:.n2) (idx:.i) = i>=n1 && i<n2 && inShapeRange sh1 sh2 idx-  listOfShape (sh:.AA n) = n : listOfShape sh-  shapeOfList xx = case xx of-    []   -> error "empty list in shapeOfList/Primary"-    x:xs -> shapeOfList xs :. AA x-  deepSeq (sh:.n) x = deepSeq sh (n `seq` x)-  {-# INLINE rank #-}-  {-# INLINE zeroDim #-}-  {-# INLINE unitDim #-}-  {-# INLINE intersectDim #-}-  {-# INLINE addDim #-}-  {-# INLINE size #-}-  {-# INLINE sizeIsValid #-}-  {-# INLINE toIndex #-}-  {-# INLINE fromIndex #-}-  {-# INLINE inShapeRange #-}-  {-# INLINE listOfShape #-}-  {-# INLINE shapeOfList #-}-  {-# INLINE deepSeq #-}--instance (Shape sh, Show sh, ExtShape sh) => ExtShape (sh :. AA) where-  subDim (sh1:.AA n1) (sh2:.AA n2) = subDim sh1 sh2 :. AA (n1-n2)-  rangeList (sh1:.AA n1) (sh2:.AA n2) = [ sh:.AA n | sh <- rangeList sh1 sh2, n <- [n1 .. (n1+n2)]]--instance Enum AA where-  toEnum = AA-  fromEnum = unAA--instance MkAAseq [Char] where-  mkAAseq = VU.fromList . map toAA--instance MkAAseq [AA] where-  mkAAseq = VU.fromList--instance MkAAseq (VU.Vector Char) where-  mkAAseq = VU.map toAA--instance MkAAseq BS.ByteString where-  mkAAseq = VU.fromList . map toAA . BS.unpack--instance MkAAseq BSL.ByteString where-  mkAAseq = VU.fromList . map toAA . BSL.unpack--instance MkAAseq T.Text where-  mkAAseq = VU.fromList . map toAA . T.unpack--derivingUnbox "AA"-  [t| AA -> Int |] [| unAA |] [| AA |]-
Biobase/Primary.hs view
@@ -1,205 +1,21 @@-{-# LANGUAGE FlexibleInstances #-}-{-# LANGUAGE GeneralizedNewtypeDeriving #-}-{-# LANGUAGE MultiParamTypeClasses #-}-{-# LANGUAGE OverlappingInstances #-}-{-# LANGUAGE PackageImports #-}-{-# LANGUAGE PatternGuards #-}-{-# LANGUAGE StandaloneDeriving #-}-{-# LANGUAGE TemplateHaskell #-}-{-# LANGUAGE TypeFamilies #-}-{-# LANGUAGE TypeOperators #-}-{-# LANGUAGE TypeSynonymInstances #-} --- | The primary structure: interface to efficient encoding of RNA and DNA--- sequences. The design aims toward the 'vector' library and repa. In--- particular, everything is strict; if you want to stream full genomes, use--- 'text' or lazy 'bytestring's instead and cast to Biobase.Primary definitions--- only at the last moment.------ NOTE individual nucleotides are encoded is 'Int's internally without any--- tagging. This means that we have no way of deciding if we are dealing with--- RNA or DNA on this level.--module Biobase.Primary where--import           Data.Char (toUpper)-import           Data.Ix (Ix(..))-import           Data.Primitive.Types-import           Data.Tuple (swap)-import           Data.Vector.Unboxed.Deriving-import           GHC.Base (remInt,quotInt)-import qualified Data.ByteString.Char8 as BS-import qualified Data.ByteString.Lazy.Char8 as BSL-import qualified Data.Text as T-import qualified Data.Vector.Generic as VG-import qualified Data.Vector.Generic.Mutable as VGM-import qualified Data.Vector.Unboxed as VU--import           Data.Array.Repa.ExtShape-import           Data.Array.Repa.Index-import           Data.Array.Repa.Shape--import           Biobase.Primary.Bounds------ * Convert different types of sequence representations to the internal--- "Primary Structure" representation---- | Given a sequence of nucleotides encoded in some "text-form", create a--- 'Nuc'-based unboxed vector.--class MkPrimary a where-  mkPrimary :: a -> Primary--type Primary = VU.Vector Nuc------- * Efficient nucleotide encoding---- A 'Nuc'leotide is simply an Int wrapped up. 'nIMI' provides for--- intermolecular initialization, 'nN' stands for "any" nucleotides, 'nA',--- 'nC', 'nG', 'nT' / 'nU' are normal nucleotides.--newtype Nuc = Nuc {unNuc :: Int}-  deriving (Eq,Ord,Ix)--(nN : nA : nC : nG : nT : nU : nIMI : nUndefined : _) = map Nuc [0 .. ]--acgt = [nA,nC,nG,nT]-acgu = [nA,nC,nG,nU]-cgau = [nC,nG,nA,nU]-nacgt = nN:acgt-nacgu = nN:acgu---- | Translate between 'Char's and 'Nuc's.--mkNuc :: Char -> Nuc-mkNuc = f . toUpper where-  f k-    | Just v <- k `lookup` charNucList = v-    | otherwise = nN--fromNuc :: Nuc -> Char-fromNuc = f where-  f k-    | Just v <- k `lookup` nucCharList = v-    | otherwise = 'N'--charNucList =-  [ ('N',nN)-  , ('A',nA)-  , ('C',nC)-  , ('G',nG)-  , ('T',nT)-  , ('U',nU)-  ]--nucCharList = map swap charNucList---- ** Methods to convert between DNA and RNA+-- | ----- TODO add all the rev-comp stuff and whatnot---- | @T@ to @U@--convT2U x-  | x == nT   = nU-  | otherwise = x---- | @U@ to @T@--convU2T x-  | x == nU   = nT-  | otherwise = x------ * Instances of different type classes---- ** instances for 'Nuc'---- | Human-readable Show instance.--instance Show Nuc where-  show n = [fromNuc n]---- | Human-readable Read instance.--instance Read Nuc where-  readsPrec p [] = []-  readsPrec p (x:xs)-    | x ==' ' = readsPrec p xs-    | Just n <- x `lookup` charNucList = [(n,xs)]-    | otherwise = []--derivingUnbox "Nuc"-  [t| Nuc -> Int |] [| unNuc |] [| Nuc |]---- Shape-based indexing. Nucleotide representations go from nN (0) to nU (4),--- with additional symbols being available for specialized problems. This is a--- bit of a problem for shape-based indexing. In particular, we need to be--- careful with size operations. To include, say, all of nN to nU one needs a--- size of (z:.nIMI), as nIMI is the first element not in the size anymore.--instance (Shape sh,Show sh) => Shape (sh :. Nuc) where-  rank (sh:._) = rank sh + 1-  zeroDim = zeroDim:.Nuc 0-  unitDim = unitDim:.Nuc 1 -- TODO does this one make sense?-  intersectDim (sh1:.n1) (sh2:.n2) = intersectDim sh1 sh2 :. min n1 n2-  addDim (sh1:.Nuc n1) (sh2:.Nuc n2) = addDim sh1 sh2 :. Nuc (n1+n2) -- TODO will not necessarily yield a valid Nuc-  size (sh1:.Nuc n) = size sh1 * n-  sizeIsValid (sh1:.Nuc n) = sizeIsValid (sh1:.n)-  toIndex (sh1:.Nuc sh2) (sh1':.Nuc sh2') = toIndex (sh1:.sh2) (sh1':.sh2')-  fromIndex (ds:.Nuc d) n = fromIndex ds (n `quotInt` d) :. Nuc r where-                              r | rank ds == 0 = n-                                | otherwise    = n `remInt` d-  inShapeRange (sh1:.n1) (sh2:.n2) (idx:.i) = i>=n1 && i<n2 && inShapeRange sh1 sh2 idx-  listOfShape (sh:.Nuc n) = n : listOfShape sh-  shapeOfList xx = case xx of-    []   -> error "empty list in shapeOfList/Primary"-    x:xs -> shapeOfList xs :. Nuc x-  deepSeq (sh:.n) x = deepSeq sh (n `seq` x)-  {-# INLINE rank #-}-  {-# INLINE zeroDim #-}-  {-# INLINE unitDim #-}-  {-# INLINE intersectDim #-}-  {-# INLINE addDim #-}-  {-# INLINE size #-}-  {-# INLINE sizeIsValid #-}-  {-# INLINE toIndex #-}-  {-# INLINE fromIndex #-}-  {-# INLINE inShapeRange #-}-  {-# INLINE listOfShape #-}-  {-# INLINE shapeOfList #-}-  {-# INLINE deepSeq #-}--instance (Shape sh, Show sh, ExtShape sh) => ExtShape (sh :. Nuc) where-  subDim (sh1:.Nuc n1) (sh2:.Nuc n2) = subDim sh1 sh2 :. Nuc (n1-n2)-  rangeList (sh1:.Nuc n1) (sh2:.Nuc n2) = [ sh:.Nuc n | sh <- rangeList sh1 sh2, n <- [n1 .. (n1+n2)]]---- | Enum--instance Enum Nuc where-  toEnum = Nuc-  fromEnum = unNuc---- ** Instances for 'MkPrimary'--instance MkPrimary String where-  mkPrimary = VU.fromList . map mkNuc--instance MkPrimary BS.ByteString where-  mkPrimary = mkPrimary . BS.unpack--instance MkPrimary BSL.ByteString where-  mkPrimary = mkPrimary . BSL.unpack+-- TODO make sequence types 'stringable'? -instance MkPrimary T.Text where-  mkPrimary = mkPrimary . T.unpack+module Biobase.Primary+  ( module Biobase.Primary.AA+  , module Biobase.Primary.Hashed+  , module Biobase.Primary.IUPAC+  , module Biobase.Primary.Letter+  , module Biobase.Primary.Nuc+  , module Biobase.Primary.Trans+  ) where -instance MkPrimary [Nuc] where-  mkPrimary = VU.fromList+import Biobase.Primary.AA hiding (Stop,A,B,C,D,E,F,G,H,I,K,L,M,N,P,Q,R,S,T,V,W,X,Y,Z,Undef)+import Biobase.Primary.Hashed+import Biobase.Primary.IUPAC  hiding (A,C,G,T,U,W,S,M,K,R,Y,B,D,H,V,N)+import Biobase.Primary.Letter+import Biobase.Primary.Nuc+import Biobase.Primary.Trans 
+ Biobase/Primary/AA.hs view
@@ -0,0 +1,152 @@++-- | This module has the translation tables for the genetic code. We do+-- have a symbol 'Undef' for undefined amino acids (say because of @N@s in+-- the nucleotide code).++module Biobase.Primary.AA where++import           Control.Arrow ((***),first)+import           Data.Hashable+import           Data.Ix (Ix(..))+import           Data.Map.Strict (Map)+import           Data.Primitive.Types+import           Data.Tuple (swap)+import           Data.Vector.Unboxed.Deriving+import           GHC.Base (remInt,quotInt)+import           GHC.Generics (Generic)+import qualified Data.ByteString.Char8 as BS+import qualified Data.ByteString.Lazy.Char8 as BSL+import qualified Data.Map.Strict as M+import qualified Data.Text as T+import qualified Data.Vector.Generic as VG+import qualified Data.Vector.Generic.Mutable as VGM+import qualified Data.Vector.Unboxed as VU+import qualified Data.Bijection.Map as B++import           Biobase.Primary.Letter++++-- | Amino acid phantom type.++data AA++pattern  Stop = Letter  0 :: Letter AA+pattern     A = Letter  1 :: Letter AA+pattern     B = Letter  2 :: Letter AA+pattern     C = Letter  3 :: Letter AA+pattern     D = Letter  4 :: Letter AA+pattern     E = Letter  5 :: Letter AA+pattern     F = Letter  6 :: Letter AA+pattern     G = Letter  7 :: Letter AA+pattern     H = Letter  8 :: Letter AA+pattern     I = Letter  9 :: Letter AA+pattern     K = Letter 10 :: Letter AA+pattern     L = Letter 11 :: Letter AA+pattern     M = Letter 12 :: Letter AA+pattern     N = Letter 13 :: Letter AA+pattern     P = Letter 14 :: Letter AA+pattern     Q = Letter 15 :: Letter AA+pattern     R = Letter 16 :: Letter AA+pattern     S = Letter 17 :: Letter AA+pattern     T = Letter 18 :: Letter AA+pattern     V = Letter 19 :: Letter AA+pattern     W = Letter 20 :: Letter AA+pattern     X = Letter 21 :: Letter AA+pattern     Y = Letter 22 :: Letter AA+pattern     Z = Letter 23 :: Letter AA+pattern Undef = Letter 24 :: Letter AA+++-- * Creating functions and aa data.++aa :: Int -> Letter AA+aa = Letter++aaRange = [Stop .. pred Undef]++-- | Translate 'Char' amino acid representation into efficient 'AA' newtype.++charAA :: Char -> Letter AA+charAA = B.findWithDefaultL Undef charBaa+{-# INLINE charAA #-}++-- | 'Char' representation of an 'AA'.++aaChar :: Letter AA -> Char+aaChar = B.findWithDefaultR '?' charBaa+{-# INLINE aaChar #-}++-- * lookup tables++charBaa :: B.Bimap Char (Letter AA)+charBaa = B.fromList+  [ ('*',Stop)+  , ('A',A)+  , ('B',B)+  , ('C',C)+  , ('D',D)+  , ('E',E)+  , ('F',F)+  , ('G',G)+  , ('H',H)+  , ('I',I)+  , ('K',K)+  , ('L',L)+  , ('M',M)+  , ('N',N)+  , ('P',P)+  , ('Q',Q)+  , ('R',R)+  , ('S',S)+  , ('T',T)+  , ('V',V)+  , ('W',W)+  , ('X',X)+  , ('Y',Y)+  , ('Z',Z)+  , ('?',Undef)+  ]+{-# NOINLINE charBaa #-}++++-- * instances++instance Show (Letter AA) where+  show n = [aaChar n]++instance Read (Letter AA) where+  readsPrec p [] = []+  readsPrec p (x:xs)+    | x==' ' = readsPrec p xs+    | aa <- charAA x = [(aa,xs)]+    | otherwise = []++instance Enum (Letter AA) where+    succ Undef      = error "succ/Undef:AA"+    succ (Letter x) = Letter $ x+1+    pred Stop       = error "pred/Stop:AA"+    pred (Letter x) = Letter $ x-1+    toEnum k | k>=0 && k<=(unLetter Undef) = Letter k+    toEnum k                               = error $ "toEnum/Letter RNA " ++ show k+    fromEnum (Letter k) = k++instance MkPrimary [Char] AA  where+  primary = VU.fromList . map charAA++instance MkPrimary [Letter AA] AA where+  primary = VU.fromList++instance MkPrimary (VU.Vector Char) AA where+  primary = VU.map charAA++instance MkPrimary BS.ByteString AA where+  primary = VU.fromList . map charAA . BS.unpack++instance MkPrimary BSL.ByteString AA where+  primary = VU.fromList . map charAA . BSL.unpack++instance MkPrimary T.Text AA where+  primary = VU.fromList . map charAA . T.unpack+
− Biobase/Primary/Bounds.hs
@@ -1,52 +0,0 @@---- | A special class of bounds for RNA/pair encodings that are used to index--- into tables. We typically encode more in the alphabets than we want to use--- to index, so in order to keep things simple, we have specialized bounds.--module Biobase.Primary.Bounds where------ | 'minNormal' and 'maxNormal' encode for, say, ACGU; while 'minExtended' and--- 'maxExtended' would allow 'N' as well. See Biobase.RNA and--- Biobase.RNA.ViennaPair for instances.--class Bounded a => Bounds a where-  minNormal :: a-  maxNormal :: a-  minExtended :: a-  maxExtended :: a------ * Instances for tuples of size 2-6--instance (Bounds a, Bounds b) => Bounds (a,b) where-  minNormal = (minNormal, minNormal)-  maxNormal = (maxNormal, maxNormal)-  minExtended = (minExtended, minExtended)-  maxExtended = (maxExtended, maxExtended)--instance (Bounds a, Bounds b, Bounds c) => Bounds (a,b,c) where-  minNormal = (minNormal, minNormal, minNormal)-  maxNormal = (maxNormal, maxNormal, maxNormal)-  minExtended = (minExtended, minExtended, minExtended)-  maxExtended = (maxExtended, maxExtended, maxExtended)--instance (Bounds a, Bounds b, Bounds c, Bounds d) => Bounds (a,b,c,d) where-  minNormal = (minNormal, minNormal, minNormal, minNormal)-  maxNormal = (maxNormal, maxNormal, maxNormal, maxNormal)-  minExtended = (minExtended, minExtended, minExtended, minExtended)-  maxExtended = (maxExtended, maxExtended, maxExtended, maxExtended)--instance (Bounds a, Bounds b, Bounds c, Bounds d, Bounds e) => Bounds (a,b,c,d,e) where-  minNormal = (minNormal, minNormal, minNormal, minNormal, minNormal)-  maxNormal = (maxNormal, maxNormal, maxNormal, maxNormal, maxNormal)-  minExtended = (minExtended, minExtended, minExtended, minExtended, minExtended)-  maxExtended = (maxExtended, maxExtended, maxExtended, maxExtended, maxExtended)--instance (Bounds a, Bounds b, Bounds c, Bounds d, Bounds e, Bounds f) => Bounds (a,b,c,d,e,f) where-  minNormal = (minNormal, minNormal, minNormal, minNormal, minNormal, minNormal)-  maxNormal = (maxNormal, maxNormal, maxNormal, maxNormal, maxNormal, maxNormal)-  minExtended = (minExtended, minExtended, minExtended, minExtended, minExtended, minExtended)-  maxExtended = (maxExtended, maxExtended, maxExtended, maxExtended, maxExtended, maxExtended)
Biobase/Primary/Hashed.hs view
@@ -1,17 +1,11 @@-{-# LANGUAGE MultiParamTypeClasses #-}-{-# LANGUAGE StandaloneDeriving #-}-{-# LANGUAGE GeneralizedNewtypeDeriving #-}-{-# LANGUAGE TemplateHaskell #-}-{-# LANGUAGE TypeFamilies #-} --- | Fast hash functions for 'Primary' sequences. A hash is just an 'Int', so--- use these only for short sequences.------ TODO replace with standard hashing functions used by Haskell libs?+-- | Fast hash functions for 'Primary' sequences. This function maps+-- primary sequences to a continuous set of Ints @[0 ..]@ where the maximum+-- is dependent on the input length. This allows us to map short sequences+-- into contiguous memory locations. Useful for, say, energy lookup tables.  module Biobase.Primary.Hashed where -import           Control.Exception.Base (assert) import           Data.Ix import           Data.Primitive.Types import           Data.Vector.Unboxed.Deriving@@ -19,34 +13,34 @@ import qualified Data.Vector.Generic.Mutable as VGM import qualified Data.Vector.Unboxed as VU -import           Biobase.Primary+import           Biobase.Primary.Letter   -newtype HashedPrimary = HashedPrimary { unHashedPrimary :: Int }+-- | The hash of a primary sequence.++newtype HashedPrimary t = HashedPrimary { unHashedPrimary :: Int }   deriving (Eq,Ord,Ix,Read,Show,Enum,Bounded)  derivingUnbox "HashedPrimary"-  [t| HashedPrimary -> Int |] [| unHashedPrimary |] [| HashedPrimary |]-+  [t| forall a . HashedPrimary a -> Int |] [| unHashedPrimary |] [| HashedPrimary |]  -- | Given a piece of primary sequence information, reduce it to an index.------ Will throw an assertion in debug code if 'ps' are not within bounds. Note--- that "mkPrimary [minBound]" and "mkPrimary [minBound,minBound]" map to the--- same index. Meaning that indices are only unique within the same length--- group. Furthermore, indices with different (l,u)-bounds are not compatible--- with each other. All indices start at 0.--- -- The empty input produces an index of 0.------ TODO currently goes the very inefficient way of creating a temporary vector--- for 'ps'. We could in O(1) create a vector from a Primary ... -mkHashedPrimary :: (Nuc,Nuc) -> Primary -> HashedPrimary-mkHashedPrimary (l,u) ps = assert (VU.all (\p -> l<=p && p<=u) ps) $ HashedPrimary idx where-  idx   = VU.sum $ VU.zipWith f ps (VU.enumFromStepN (VU.length ps -1) (-1) (VU.length ps))-  f p c = (unNuc p - unNuc l) * (cnst^c)-  cnst = unNuc u - unNuc l + 1+mkHashedPrimary :: forall t . (VU.Unbox (Letter t), Bounded (Letter t), Enum (Letter t)) => Primary t -> HashedPrimary t+mkHashedPrimary = HashedPrimary . fst . VU.foldl' f (0, 1) where+  f (z, c) n = (z + c * (fromEnum n +1), c * (fromEnum (maxBound :: Letter t) + 1)) {-# INLINE mkHashedPrimary #-}++-- | Turn a hash back into a sequence. Will fail if the resulting sequence+-- has more than 100 elements.++hash2primary :: forall t . (VU.Unbox (Letter t), Bounded (Letter t), Enum (Letter t)) => HashedPrimary t -> Primary t+hash2primary (HashedPrimary h) = VU.unfoldrN l f h where+  m = fromEnum (maxBound :: Letter t) +1+  l = VU.length . VU.takeWhile (>0) . VU.iterateN 100 (`div` m) $ h+  f k = if k>0 then Just (toEnum $ ((k-1) `mod` m) , (k-1) `div` m)+               else Nothing+{-# INLINE hash2primary #-} 
Biobase/Primary/IUPAC.hs view
@@ -1,47 +1,150 @@-{-# LANGUAGE TemplateHaskell #-}  -- | Degenerate base symbol representation. We use the same conventions as in -- <<https://en.wikipedia.org/wiki/Nucleic_acid_notation>> which ignores--- @U@racil, except if it stands alone. Therefore, any RNA sequence should be--- converted to DNA (and back afterwards).------ NOTE that the generic 'Char' instance is not optimized for speed.+-- @U@racil, except if it stands alone for @Char@ and @XNA@ targets. If the+-- 'Degenerate' target is @RNA@, then we create @U@s instead of @T@s. ----- TODO this should be easier once we have instances for RNA,DNA, etc+-- TODO Shall we handle 'Complement' for degenerates?  module Biobase.Primary.IUPAC where -import Data.ByteString.Char8 (ByteString,unpack)-import Data.FileEmbed (embedFile)-import Data.List (nub,sort)-import Data.Tuple (swap)+import           Control.Arrow ((***))+import           Data.ByteString.Char8 (ByteString,unpack)+import           Data.Char (toUpper)+import           Data.FileEmbed (embedFile)+import           Data.List (nub,sort)+import           Data.String+import           Data.Tuple (swap)+import qualified Data.Vector.Unboxed as VU+import           Control.Category ((>>>)) +import           Biobase.Primary.Letter+import           Biobase.Primary.Nuc+import qualified Biobase.Primary.Nuc.RNA as R  +-- | Allow the full, including degenerates, alphabet.++data DEG++pattern A = Letter  0 :: Letter DEG+pattern C = Letter  1 :: Letter DEG+pattern G = Letter  2 :: Letter DEG+pattern T = Letter  3 :: Letter DEG+pattern U = Letter  4 :: Letter DEG+pattern W = Letter  5 :: Letter DEG+pattern S = Letter  6 :: Letter DEG+pattern M = Letter  7 :: Letter DEG+pattern K = Letter  8 :: Letter DEG+pattern R = Letter  9 :: Letter DEG+pattern Y = Letter 10 :: Letter DEG+pattern B = Letter 11 :: Letter DEG+pattern D = Letter 12 :: Letter DEG+pattern H = Letter 13 :: Letter DEG+pattern V = Letter 14 :: Letter DEG+pattern N = Letter 15 :: Letter DEG++instance Bounded (Letter DEG) where+    minBound = A+    maxBound = N++instance Enum (Letter DEG) where+    succ N           = error "succ/N:DEG"+    succ (Letter x)  = Letter $ x+1+    pred A           = error "pred/A:DEG"+    pred (Letter x)  = Letter $ x-1+    toEnum k | k>=0 && k<=15 = Letter k+    toEnum k                 = error $ "toEnum/Letter DEG " ++ show k+    fromEnum (Letter k) = k++charDEG = toUpper >>> \case+  'A' -> A+  'C' -> C+  'G' -> G+  'T' -> T+  'U' -> U+  'W' -> W+  'S' -> S+  'M' -> M+  'K' -> K+  'R' -> R+  'Y' -> Y+  'B' -> B+  'D' -> D+  'H' -> H+  'V' -> V+  _   -> N+{-# INLINE charDEG #-}++degChar = \case+  A -> 'A'+  C -> 'C'+  G -> 'G'+  T -> 'T'+  U -> 'U'+  W -> 'W'+  S -> 'S'+  M -> 'M'+  K -> 'K'+  R -> 'R'+  Y -> 'Y'+  B -> 'B'+  D -> 'D'+  H -> 'H'+  V -> 'V'+  N -> 'N'+{-# INLINE degChar #-}            ++instance Show (Letter DEG) where+    show c = [degChar c]++degSeq :: MkPrimary n DEG => n -> Primary DEG+degSeq = primary++instance MkPrimary (VU.Vector Char) DEG where+    primary = VU.map charDEG++instance IsString [Letter DEG] where+    fromString = map charDEG++++-- * Conversions+ class Degenerate x where-  fromSymbol :: x   -> [x]-  toSymbol   :: [x] -> Maybe x+  fromDegenerate :: Char -> [x]+  toDegenerate   :: [x]  -> Maybe Char  instance Degenerate Char where-  fromSymbol = maybe [] id . flip lookup iupacList-  toSymbol   = flip lookup (map swap iupacList) . nub . sort+  fromDegenerate = maybe [] id . flip lookup iupacXDNAchars+  toDegenerate   = flip lookup (map swap iupacXDNAchars) . nub . sort --- instance Degenerate RNA where------ instance Degenerate DNA where------ instance Degenerate XNA where -- if we want a combined alphabet+instance Degenerate (Letter RNA) where+    fromDegenerate 'T' = []+    fromDegenerate x   = map dnaTrna $ fromDegenerate x+    toDegenerate   xs  | xs == [R.U] = Just 'U'+                       | otherwise  = toDegenerate $ map rnaTdna xs +instance Degenerate (Letter DNA) where+    fromDegenerate 'U' = []+    fromDegenerate x   = map charDNA $ fromDegenerate x+    toDegenerate       = toDegenerate . map dnaChar +instance Degenerate (Letter XNA) where+    fromDegenerate = map charXNA . fromDegenerate+    toDegenerate   = toDegenerate . map xnaChar --- ** Raw embeddings --- | list of characters -iupacList :: [(Char,String)]-iupacList = map (go . words) . lines . unpack $ iupacNucleotides where+-- * Raw embeddings++-- | list of characters, using the XNA alphabet, but degenerate chars+-- assume DNA characters.++iupacXDNAchars :: [(Char,String)]+iupacXDNAchars = map (go . words) . lines . unpack $ iupacNucleotides where   go [[c],cs] = (c,cs)-{-# NOINLINE iupacList #-}+{-# NOINLINE iupacXDNAchars #-}  -- | Raw iupac data, embedded into the library. 
+ Biobase/Primary/Letter.hs view
@@ -0,0 +1,158 @@++-- | A newtype with an attached phenotype which allows us to encode+-- nucleotides and amino acids. Actual seqence-specific functions can be+-- founds in the appropriate modules @AA@ and @Nuc@.++module Biobase.Primary.Letter where++import           Data.Aeson+import           Data.Binary+import           Data.Hashable (Hashable)+import           Data.Ix (Ix(..))+import           Data.Serialize (Serialize(..))+import           Data.String (IsString(..))+import           Data.Vector.Fusion.Stream.Monadic (map,flatten,Step(..))+import           Data.Vector.Fusion.Stream.Size (Size (Unknown))+import           Data.Vector.Unboxed.Deriving+import           GHC.Base (remInt,quotInt)+import           GHC.Generics (Generic)+import           Prelude hiding (map)+import qualified Data.ByteString.Char8 as BS+import qualified Data.ByteString.Lazy.Char8 as BSL+import qualified Data.Text as T+import qualified Data.Text.Lazy as TL+import qualified Data.Vector.Unboxed as VU++import           Data.PrimitiveArray hiding (map)++++-- | A 'Letter' together with its phantom type @t@ encodes bio-sequences.++newtype Letter t = Letter { unLetter :: Int }+                   deriving (Eq,Ord,Generic,Ix)++instance Binary    (Letter t)+instance Serialize (Letter t)+instance FromJSON  (Letter t)+instance ToJSON    (Letter t)++type Primary t = VU.Vector (Letter t)++-- | Conversion from a large number of sequence-like inputs to primary+-- sequences.++class MkPrimary n t where+    primary :: n -> Primary t++instance (MkPrimary (VU.Vector Char) t) => MkPrimary String t where+    primary = primary . VU.fromList++instance MkPrimary (VU.Vector Char) t =>  MkPrimary T.Text t where+    primary = primary . VU.fromList . T.unpack++instance MkPrimary (VU.Vector Char) t => MkPrimary TL.Text t where+    primary = primary . VU.fromList . TL.unpack++instance MkPrimary (VU.Vector Char) t => MkPrimary BS.ByteString t where+    primary = primary . VU.fromList . BS.unpack++instance MkPrimary (VU.Vector Char) t => MkPrimary BSL.ByteString t where+    primary = primary . VU.fromList . BSL.unpack++instance (VU.Unbox (Letter t), IsString [Letter t]) => IsString (VU.Vector (Letter t)) where+    fromString = VU.fromList . fromString++++-- *** Instances for 'Letter'.++derivingUnbox "Letter"+  [t| forall a . Letter a -> Int |] [| unLetter |] [| Letter |]++instance Hashable (Letter t)++instance Index (Letter l) where+  linearIndex _ _ (Letter i) = i+  {-# Inline linearIndex #-}+  smallestLinearIndex _ = error "still needed?"+  {-# Inline smallestLinearIndex #-}+  largestLinearIndex (Letter h) = h+  {-# Inline largestLinearIndex #-}+  size _ (Letter h) = h+1+  {-# Inline size #-}+  inBounds (Letter l) (Letter h) (Letter i) = l <= i && i <= h+  {-# Inline inBounds #-}++instance IndexStream z => IndexStream (z:.Letter l) where+  streamUp (ls:.Letter l) (hs:.Letter h) = flatten mk step Unknown $ streamUp ls hs+    where mk z = return (z,l)+          step (z,k)+            | k > h     = return $ Done+            | otherwise = return $ Yield (z:.Letter k) (z,k+1)+          {-# Inline [0] mk   #-}+          {-# Inline [0] step #-}+  {-# Inline streamUp #-}+  streamDown (ls:.Letter l) (hs:.Letter h) = flatten mk step Unknown $ streamDown ls hs+    where mk z = return (z,h)+          step (z,k)+            | k < l     = return $ Done+            | otherwise = return $ Yield (z:.Letter k) (z,k-1)+          {-# Inline [0] mk   #-}+          {-# Inline [0] step #-}+  {-# Inline streamDown #-}++-- TODO temporary, because defaults dont inline++instance IndexStream (Letter l) where+  streamUp l h = map (\(Z:.k) -> k) $ streamUp (Z:.l) (Z:.h)+  {-# Inline streamUp #-}+  streamDown l h = map (\(Z:.k) -> k) $ streamDown (Z:.l) (Z:.h)+  {-# Inline streamDown #-}++{-+instance (Index sh, Show sh) => Shape (sh :. Letter z) where+  rank (sh:._) = rank sh + 1+  zeroDim = zeroDim:.Letter 0+  unitDim = unitDim:.Letter 1 -- TODO does this one make sense?+  intersectDim (sh1:.n1) (sh2:.n2) = intersectDim sh1 sh2 :. min n1 n2+  addDim (sh1:.Letter n1) (sh2:.Letter n2) = addDim sh1 sh2 :. Letter (n1+n2) -- TODO will not necessarily yield a valid Letter+  size (sh1:.Letter n) = size sh1 * n+  sizeIsValid (sh1:.Letter n) = sizeIsValid (sh1:.n)+  toIndex (sh1:.Letter sh2) (sh1':.Letter sh2') = toIndex (sh1:.sh2) (sh1':.sh2')+  fromIndex (ds:.Letter d) n = fromIndex ds (n `quotInt` d) :. Letter r where+                              r | rank ds == 0 = n+                                | otherwise    = n `remInt` d+  inShapeRange (sh1:.n1) (sh2:.n2) (idx:.i) = i>=n1 && i<n2 && inShapeRange sh1 sh2 idx+  listOfShape (sh:.Letter n) = n : listOfShape sh+  shapeOfList xx = case xx of+    []   -> error "empty list in shapeOfList/Primary"+    x:xs -> shapeOfList xs :. Letter x+  deepSeq (sh:.n) x = deepSeq sh (n `seq` x)+  {-# INLINE rank #-}+  {-# INLINE zeroDim #-}+  {-# INLINE unitDim #-}+  {-# INLINE intersectDim #-}+  {-# INLINE addDim #-}+  {-# INLINE size #-}+  {-# INLINE sizeIsValid #-}+  {-# INLINE toIndex #-}+  {-# INLINE fromIndex #-}+  {-# INLINE inShapeRange #-}+  {-# INLINE listOfShape #-}+  {-# INLINE shapeOfList #-}+  {-# INLINE deepSeq #-}++instance (Shape sh, Show sh, ExtShape sh) => ExtShape (sh :. Letter z) where+  subDim (sh1:.Letter n1) (sh2:.Letter n2) = subDim sh1 sh2 :. Letter (n1-n2)+  rangeList (sh1:.Letter n1) (sh2:.Letter n2) = [ sh:.Letter n | sh <- rangeList sh1 sh2, n <- [n1 .. (n1+n2)]]+  rangeStream (fs:.Letter f) (ts:.Letter t) = VM.flatten mk step Unknown $ rangeStream fs ts where+    mk sh = return (sh :. f)+    step (sh :. k)+      | k>t       = return $ VM.Done+      | otherwise = return $ VM.Yield (sh :. Letter k) (sh :. k +1)+    {-# INLINE [1] mk #-}+    {-# INLINE [1] step #-}+  {-# INLINE rangeStream #-}+-}+
+ Biobase/Primary/Nuc.hs view
@@ -0,0 +1,28 @@++-- | The primary structure: interface to efficient encoding of RNA and DNA+-- sequences. The design aims toward the 'vector' library and repa. In+-- particular, everything is strict; if you want to stream full genomes, use+-- 'text' or lazy 'bytestring's instead and cast to Biobase.Primary definitions+-- only at the last moment.+--+-- Degenerate encoding can be found in the @IUPAC@ module.+--+-- TODO enable OverloadedLists++module Biobase.Primary.Nuc+  ( module Biobase.Primary.Letter+  , module Biobase.Primary.Nuc.Conversion+  , module Biobase.Primary.Nuc.DNA+  , module Biobase.Primary.Nuc.RNA+  , module Biobase.Primary.Nuc.XNA+  ) where++import           Biobase.Primary.Letter+import           Biobase.Primary.Nuc.Conversion+import           Biobase.Primary.Nuc.DNA hiding (A,C,G,T,N)+import           Biobase.Primary.Nuc.RNA hiding (A,C,G,U,N)+import           Biobase.Primary.Nuc.XNA hiding (A,C,G,T,U,N)+import qualified Biobase.Primary.Nuc.DNA as D+import qualified Biobase.Primary.Nuc.RNA as R+import qualified Biobase.Primary.Nuc.XNA as X+
+ Biobase/Primary/Nuc/Conversion.hs view
@@ -0,0 +1,150 @@++{-# Language CPP #-}++#if __GLASGOW_HASKELL__ < 710+{-# LANGUAGE OverlappingInstances #-}+#endif++-- | Convert between different nucleotide representations++module Biobase.Primary.Nuc.Conversion where++import qualified Data.Vector.Unboxed as VU++import           Biobase.Primary.Letter (Letter(..), Primary)+import qualified Biobase.Primary.Nuc.DNA as D+import qualified Biobase.Primary.Nuc.RNA as R+import qualified Biobase.Primary.Nuc.XNA as X++++-- * Single-character translations.++-- | Transform RNA to DNA. That means change @U@ to @T@ and keep the other+-- characters as is.++rnaTdna = \case+  R.A -> D.A+  R.C -> D.C+  R.G -> D.G+  R.U -> D.T+  _   -> D.N+{-# INLINE rnaTdna #-}++-- | Transform DNA to RNA. That means change @T@ to @U@ and keep the other+-- characters as is.++dnaTrna = \case+  D.A -> R.A+  D.C -> R.C+  D.G -> R.G+  D.T -> R.U+  _   -> R.N+{-# INLINE dnaTrna #-}++-- | Generalize an RNA character to a XNA character.++rnaGxna = \case+  R.A -> X.A+  R.C -> X.C+  R.G -> X.G+  R.U -> X.U+  _   -> X.N+{-# INLINE rnaGxna #-}++-- | Generalize a DNA character to a XNA character.++dnaGxna = \case+  D.A -> X.A+  D.C -> X.C+  D.G -> X.G+  D.T -> X.T+  _   -> X.N+{-# INLINE dnaGxna #-}++-- | Specialize XNA to RNA, @T@ becomes @N@.++xnaSrna = \case+  X.A -> R.A+  X.C -> R.C+  X.G -> R.G+  X.U -> R.U+  _   -> R.N+{-# INLINE xnaSrna #-}++-- | Specialize XNA to DNA, @U@ becomes @N@.++xnaSdna = \case+  X.A -> D.A+  X.C -> D.C+  X.G -> D.G+  X.T -> D.T+  _   -> D.N+{-# INLINE xnaSdna #-}++++-- * Reverse-complement of characters.++-- | Produce the complement of a RNA or DNA sequence. Does intentionally+-- not work for XNA sequences as it is not possible to uniquely translate+-- @A@ into either @U@ or @T@.++class Complement s t where+    complement :: s -> t++-- | To 'transcribe' a DNA sequence into RNA we reverse the complement of+-- the sequence.++transcribe :: Primary D.DNA -> Primary R.RNA+transcribe = VU.reverse . complement++instance Complement (Letter R.RNA) (Letter R.RNA) where+    complement = \case+      R.A -> R.U+      R.C -> R.G+      R.G -> R.C+      R.U -> R.A+      R.N -> R.N++instance Complement (Letter D.DNA) (Letter D.DNA) where+    complement = \case+      D.A -> D.T+      D.C -> D.G+      D.G -> D.C+      D.T -> D.A+      D.N -> D.N++instance Complement (Letter D.DNA) (Letter R.RNA) where+    complement = \case+      D.A -> R.U+      D.C -> R.G+      D.G -> R.C+      D.T -> R.A+      D.N -> R.N++instance Complement (Letter R.RNA) (Letter D.DNA) where+    complement = \case+      R.A -> D.T+      R.C -> D.G+      R.G -> D.C+      R.U -> D.A+      R.N -> D.N++#if __GLASGOW_HASKELL__ >= 710+instance {-# OVERLAPPING #-}+#else+instance+#endif+  ( Complement s t, VU.Unbox s, VU.Unbox t)+  => Complement (VU.Vector s) (VU.Vector t)+  where complement = VU.map complement++#if __GLASGOW_HASKELL__ >= 710+instance {-# Overlappable #-}+#else+instance+#endif+  ( Complement s t, Functor f) => Complement (f s) (f t)+  where complement = fmap complement+
+ Biobase/Primary/Nuc/DNA.hs view
@@ -0,0 +1,84 @@++module Biobase.Primary.Nuc.DNA where++import           Data.Char (toUpper)+import           Data.Ix (Ix(..))+import           Data.Primitive.Types+import           Data.String+import           Data.Tuple (swap)+import qualified Data.ByteString.Char8 as BS+import qualified Data.ByteString.Lazy.Char8 as BSL+import qualified Data.Text as T+import qualified Data.Text.Lazy as TL+import qualified Data.Vector.Generic as VG+import qualified Data.Vector.Generic.Mutable as VGM+import qualified Data.Vector.Unboxed as VU+import           Control.Category ((>>>))++import           Biobase.Primary.Bounds+import           Biobase.Primary.Letter++++-- | DNA nucleotides.++data DNA++-- Single-character names for nucleotides.++pattern A = Letter 0 :: Letter DNA+pattern C = Letter 1 :: Letter DNA+pattern G = Letter 2 :: Letter DNA+pattern T = Letter 3 :: Letter DNA+pattern N = Letter 4 :: Letter DNA++instance Enum (Letter DNA) where+    succ N          = error "succ/N:DNA"+    succ (Letter x) = Letter $ x+1+    pred A          = error "pred/A:DNA"+    pred (Letter x) = Letter $ x-1+    toEnum k | k>=0 && k<=4 = Letter k+    toEnum k                = error $ "toEnum/Letter DNA " ++ show k+    fromEnum (Letter k) = k++acgt :: [Letter DNA]+acgt = [A .. T]++charDNA = toUpper >>> \case+    'A' -> A+    'C' -> C+    'G' -> G+    'T' -> T+    _   -> N+{-# INLINE charDNA #-}++dnaChar = \case+  A -> 'A'+  C -> 'C'+  G -> 'G'+  T -> 'T'+  N -> 'N'+{-# INLINE dnaChar #-}            ++instance Show (Letter DNA) where+    show c = [dnaChar c]++instance Read (Letter DNA) where+  readsPrec p [] = []+  readsPrec p (x:xs)+    | x==' ' = readsPrec p xs+    | otherwise = [(charDNA x, xs)]++dnaSeq :: MkPrimary n DNA => n -> Primary DNA+dnaSeq = primary++instance Bounded (Letter DNA) where+    minBound = A+    maxBound = N++instance MkPrimary (VU.Vector Char) DNA where+    primary = VU.map charDNA++instance IsString [Letter DNA] where+    fromString = map charDNA+
+ Biobase/Primary/Nuc/RNA.hs view
@@ -0,0 +1,82 @@++module Biobase.Primary.Nuc.RNA where++import           Data.Char (toUpper)+import           Data.Ix (Ix(..))+import           Data.Primitive.Types+import           Data.String+import           Data.Tuple (swap)+import qualified Data.ByteString.Char8 as BS+import qualified Data.ByteString.Lazy.Char8 as BSL+import qualified Data.Text as T+import qualified Data.Text.Lazy as TL+import qualified Data.Vector.Generic as VG+import qualified Data.Vector.Generic.Mutable as VGM+import qualified Data.Vector.Unboxed as VU+import           Control.Category ((>>>))++import           Biobase.Primary.Bounds+import           Biobase.Primary.Letter++++-- | RNA nucleotides.++data RNA++pattern A = Letter 0 :: Letter RNA+pattern C = Letter 1 :: Letter RNA+pattern G = Letter 2 :: Letter RNA+pattern U = Letter 3 :: Letter RNA+pattern N = Letter 4 :: Letter RNA++instance Bounded (Letter RNA) where+    minBound = A+    maxBound = N++instance Enum (Letter RNA) where+    succ N          = error "succ/N:RNA"+    succ (Letter x) = Letter $ x+1+    pred A          = error "pred/A:RNA"+    pred (Letter x) = Letter $ x-1+    toEnum k | k>=0 && k<=4 = Letter k+    toEnum k                = error $ "toEnum/Letter RNA " ++ show k+    fromEnum (Letter k) = k++acgu :: [Letter RNA]+acgu = [A .. U]++charRNA = toUpper >>> \case+    'A' -> A+    'C' -> C+    'G' -> G+    'U' -> U+    _   -> N+{-# INLINE charRNA #-}++rnaChar = \case+  A -> 'A'+  C -> 'C'+  G -> 'G'+  U -> 'U'+  N -> 'N'+{-# INLINE rnaChar #-}            ++instance Show (Letter RNA) where+    show c = [rnaChar c]++instance Read (Letter RNA) where+  readsPrec p [] = []+  readsPrec p (x:xs)+    | x==' ' = readsPrec p xs+    | otherwise = [(charRNA x, xs)]++rnaSeq :: MkPrimary n RNA => n -> Primary RNA+rnaSeq = primary++instance MkPrimary (VU.Vector Char) RNA where+    primary = VU.map charRNA++instance IsString [Letter RNA] where+    fromString = map charRNA+
+ Biobase/Primary/Nuc/XNA.hs view
@@ -0,0 +1,82 @@++module Biobase.Primary.Nuc.XNA where++import           Data.Char (toUpper)+import           Data.Ix (Ix(..))+import           Data.Primitive.Types+import           Data.String+import           Data.Tuple (swap)+import qualified Data.ByteString.Char8 as BS+import qualified Data.ByteString.Lazy.Char8 as BSL+import qualified Data.Text as T+import qualified Data.Text.Lazy as TL+import qualified Data.Vector.Generic as VG+import qualified Data.Vector.Generic.Mutable as VGM+import qualified Data.Vector.Unboxed as VU+import           Control.Category ((>>>))++import           Biobase.Primary.Bounds+import           Biobase.Primary.Letter++++-- | Combine both, RNA and DNA.++data XNA++pattern A = Letter 0 :: Letter XNA+pattern C = Letter 1 :: Letter XNA+pattern G = Letter 2 :: Letter XNA+pattern T = Letter 3 :: Letter XNA+pattern U = Letter 4 :: Letter XNA+pattern N = Letter 5 :: Letter XNA++instance Bounded (Letter XNA) where+    minBound = A+    maxBound = N++instance Enum (Letter XNA) where+    succ N          = error "succ/N:XNA"+    succ (Letter x) = Letter $ x+1+    pred A          = error "pred/A:XNA"+    pred (Letter x) = Letter $ x-1+    toEnum k | k>=0 && k<=5 = Letter k+    toEnum k                = error $ "toEnum/Letter XNA " ++ show k+    fromEnum (Letter k) = k++charXNA = toUpper >>> \case+    'A' -> A+    'C' -> C+    'G' -> G+    'T' -> T+    'U' -> U+    _   -> N+{-# INLINE charXNA #-}++xnaChar = \case+  A -> 'A'+  C -> 'C'+  G -> 'G'+  T -> 'T'+  U -> 'U'+  N -> 'N'+{-# INLINE xnaChar #-}            ++instance Show (Letter XNA) where+    show c = [xnaChar c]++instance Read (Letter XNA) where+  readsPrec p [] = []+  readsPrec p (x:xs)+    | x==' ' = readsPrec p xs+    | otherwise = [(charXNA x, xs)]++xnaSeq :: MkPrimary n XNA => n -> Primary XNA+xnaSeq = primary++instance MkPrimary (VU.Vector Char) XNA where+    primary = VU.map charXNA++instance IsString [Letter XNA] where+    fromString = map charXNA+
+ Biobase/Primary/Trans.hs view
@@ -0,0 +1,76 @@++-- | This module provides functionality for translation between nucleotides+-- and amino acids.+--+-- NOTE 'aaDNAseq' is lossy. Might be a good idea to consider something+-- more involved?+--+-- TODO we need different functions, depending on if we have a part of+-- a genome in @DNA@ form, or some messenger @RNA@. It'll probably also be+-- useful to return @Either@, with @Left@ indicating error like partially+-- translated sequence due to intermediate stop codons, or so.+--+-- TODO 'dnaAAseq' and 'aaDNAseq' can be nicely optimized using 'flatten'+-- and friends.++module Biobase.Primary.Trans where++import           Control.Arrow ((***))+import           Data.ByteString.Char8 (ByteString,unpack)+import           Data.FileEmbed (embedFile)+import           Data.Map.Strict (Map)+import           Data.Tuple (swap)+import qualified Data.Map.Strict as M+import qualified Data.Vector.Unboxed as VU++import           Biobase.Primary.AA+import           Biobase.Primary.Nuc+import           Biobase.Primary.Letter++++-- | Using the codon table, create an amino acid sequence from a @DNA@+-- sequence (encoded as 'Primary DNA'). Suffixed @seq@ as we deal with+-- sequences, not letters.++dnaAAseq :: Primary DNA -> Primary AA+dnaAAseq = VU.fromList . go where+  go (VU.length -> 0) = []+  go (VU.splitAt 3 -> (hs,ts)) = case M.lookup hs dnaAAmap of+    Just aa -> aa : go ts+    _       -> error $ "dnaAAseq: " ++ show (hs,ts)++-- | Transform an amino acid sequence back into DNA.+--+-- WARNING: This is lossy!++aaDNAseq :: Primary AA -> Primary DNA+aaDNAseq = VU.concatMap go where+  go aa = case M.lookup aa aaDNAmap of+            Just codon -> codon+            Nothing    -> error $ "aaDNAseq" ++ show aa+++-- * Embedded codon data++-- | Lossy backtransformation.++aaDNAmap :: M.Map (Letter AA) (Primary DNA)+aaDNAmap = M.fromList . map swap . M.assocs $ dnaAAmap+{-# NOINLINE aaDNAmap #-}++dnaAAmap :: Map (Primary DNA) (Letter AA)+dnaAAmap = M.fromList . map (primary *** charAA) . M.assocs $ codonTable where+{-# NOINLINE dnaAAmap #-}++codonTable :: Map String Char+codonTable = M.fromList . map (go . words) . lines . unpack $ codonListEmbedded where+  go [cs,[c]] = (cs,c)+  go e        = error $ "codonTable:" ++ show e+{-# NOINLINE codonTable #-}++-- | Raw codon table++codonListEmbedded :: ByteString+codonListEmbedded = $(embedFile "sources/codontable")+
Biobase/Secondary.hs view
@@ -1,348 +1,19 @@-{-# LANGUAGE PackageImports #-}-{-# LANGUAGE TypeOperators #-}-{-# LANGUAGE FunctionalDependencies #-}-{-# LANGUAGE PatternGuards #-}-{-# LANGUAGE FlexibleInstances #-}-{-# LANGUAGE GeneralizedNewtypeDeriving #-}-{-# LANGUAGE MultiParamTypeClasses #-}-{-# LANGUAGE OverlappingInstances #-}-{-# LANGUAGE StandaloneDeriving #-}-{-# LANGUAGE TemplateHaskell #-}-{-# LANGUAGE TypeFamilies #-} --- | Secondary structure: define basepairs as Int-tuples, the three edges, a--- nucleotide can use for pairing and the cis/trans isomerism. Both edges and--- cis/trans come with a tag for "unknown".------ TODO set ext-annotations to be (isomerism,edge,edge) and have a asString--- instance to read "cWW" "tSH" and other notation.--module Biobase.Secondary where--import           Data.Array.Repa.Index-import           Data.Array.Repa.Shape-import           Data.Char (toLower, toUpper)-import           Data.Ix (Ix(..))-import           Data.List as L-import           Data.Primitive.Types-import           Data.Tuple (swap)-import           Data.Vector.Unboxed.Deriving-import           GHC.Base (remInt,quotInt)-import qualified Data.Vector.Generic as VG-import qualified Data.Vector.Generic.Mutable as VGM-import qualified Data.Vector.Unboxed as VU--import           Biobase.Primary-import           Biobase.Primary.Bounds------ | Easy reading of a three-Char string into a triple.--threeChar :: String -> ExtPairAnnotation-threeChar s@[c,x,y]-  | Just c' <- L.lookup (toLower c) charCTList-  , Just x' <- L.lookup (toUpper x) charEdgeList-  , Just y' <- L.lookup (toUpper y) charEdgeList-  = (c',x',y')-  | map toLower s == "bif" = (unknownCT,unknownEdge,unknownEdge)-  | otherwise = error $ "can't convert string: " ++ s---- | Each nucleotide in a pair may be paired using one of three edges:--- watson-crik, sugar, or hoogsteen.--newtype Edge = Edge {unEdge :: Int}-  deriving (Eq,Ord,Ix)--instance (Shape sh,Show sh) => Shape (sh :. Edge) where-  rank (sh:._) = rank sh + 1-  zeroDim = zeroDim:.Edge 0-  unitDim = unitDim:.Edge 1 -- TODO does this one make sense?-  intersectDim (sh1:.n1) (sh2:.n2) = intersectDim sh1 sh2 :. min n1 n2-  addDim (sh1:.Edge n1) (sh2:.Edge n2) = addDim sh1 sh2 :. Edge (n1+n2) -- TODO will not necessarily yield a valid Edge-  size (sh1:.Edge n) = size sh1 * n-  sizeIsValid (sh1:.Edge n) = sizeIsValid (sh1:.n)-  toIndex (sh1:.Edge sh2) (sh1':.Edge sh2') = toIndex (sh1:.sh2) (sh1':.sh2')-  fromIndex (ds:.Edge d) n = fromIndex ds (n `quotInt` d) :. Edge r where-                              r | rank ds == 0 = n-                                | otherwise    = n `remInt` d-  inShapeRange (sh1:.n1) (sh2:.n2) (idx:.i) = i>=n1 && i<n2 && inShapeRange sh1 sh2 idx-  listOfShape (sh:.Edge n) = n : listOfShape sh-  shapeOfList xx = case xx of-    []   -> error "empty list in shapeOfList/Primary"-    x:xs -> shapeOfList xs :. Edge x-  deepSeq (sh:.n) x = deepSeq sh (n `seq` x)-  {-# INLINE rank #-}-  {-# INLINE zeroDim #-}-  {-# INLINE unitDim #-}-  {-# INLINE intersectDim #-}-  {-# INLINE addDim #-}-  {-# INLINE size #-}-  {-# INLINE sizeIsValid #-}-  {-# INLINE toIndex #-}-  {-# INLINE fromIndex #-}-  {-# INLINE inShapeRange #-}-  {-# INLINE listOfShape #-}-  {-# INLINE shapeOfList #-}-  {-# INLINE deepSeq #-}--(wc : sugar : hoogsteen : unknownEdge : edgeUndefined : _) = map Edge [0..]--charEdgeList =-  [ ('W',wc)-  , ('S',sugar)-  , ('H',hoogsteen)-  , ('?',unknownEdge)-  ]--edgeCharList = map swap charEdgeList---- | Human-readable Show instance.--instance Show Edge where-  show k-    | Just v <- k `lookup` edgeCharList = [v]-    | otherwise = "?"---- | Human-readable Read instance.--instance Read Edge where-  readsPrec p [] = []-  readsPrec p (x:xs)-    | x ==' ' = readsPrec p xs-    | Just n <- x `lookup` charEdgeList = [(n,xs)]-    | otherwise = []---- | Nucleotides in a pairing may be in the cis(==?) or trans(==?) state.--newtype CTisomerism = CT {unCT :: Int}-  deriving (Eq,Ord,Ix)--instance (Shape sh,Show sh) => Shape (sh :. CTisomerism) where-  rank (sh:._) = rank sh + 1-  zeroDim = zeroDim:.CT 0-  unitDim = unitDim:.CT 1 -- TODO does this one make sense?-  intersectDim (sh1:.n1) (sh2:.n2) = intersectDim sh1 sh2 :. min n1 n2-  addDim (sh1:.CT n1) (sh2:.CT n2) = addDim sh1 sh2 :. CT (n1+n2) -- TODO will not necessarily yield a valid CT-  size (sh1:.CT n) = size sh1 * n-  sizeIsValid (sh1:.CT n) = sizeIsValid (sh1:.n)-  toIndex (sh1:.CT sh2) (sh1':.CT sh2') = toIndex (sh1:.sh2) (sh1':.sh2')-  fromIndex (ds:.CT d) n = fromIndex ds (n `quotInt` d) :. CT r where-                              r | rank ds == 0 = n-                                | otherwise    = n `remInt` d-  inShapeRange (sh1:.n1) (sh2:.n2) (idx:.i) = i>=n1 && i<n2 && inShapeRange sh1 sh2 idx-  listOfShape (sh:.CT n) = n : listOfShape sh-  shapeOfList xx = case xx of-    []   -> error "empty list in shapeOfList/Primary"-    x:xs -> shapeOfList xs :. CT x-  deepSeq (sh:.n) x = deepSeq sh (n `seq` x)-  {-# INLINE rank #-}-  {-# INLINE zeroDim #-}-  {-# INLINE unitDim #-}-  {-# INLINE intersectDim #-}-  {-# INLINE addDim #-}-  {-# INLINE size #-}-  {-# INLINE sizeIsValid #-}-  {-# INLINE toIndex #-}-  {-# INLINE fromIndex #-}-  {-# INLINE inShapeRange #-}-  {-# INLINE listOfShape #-}-  {-# INLINE shapeOfList #-}-  {-# INLINE deepSeq #-}--(cis : trans : unknownCT : undefinedCT : _) = map CT [0..]-antiCT = undefined-paraCT = undefined--charCTList =-  [ ('c',cis)-  , ('t',trans)-  , ('?',unknownCT)-  -- TODO antiCT, paraCT-  -- TODO '?' type (??? could denote bifurcation)-  ]--ctCharList = map swap charCTList---- | Human-readable Show instance.--instance Show CTisomerism where-  show k-    | Just v <- k `lookup` ctCharList = [v]-    | otherwise = "?"---- | Human-readable Read instance.--instance Read CTisomerism where-  readsPrec p [] = []-  readsPrec p (x:xs)-    | x ==' ' = readsPrec p xs-    | Just n <- x `lookup` charCTList = [(n,xs)]-    | otherwise = []------ * Instances---- ** Instances for 'Edge'--instance Bounded Edge where-  minBound = wc-  maxBound = unknownEdge--instance Bounds Edge where-  minNormal = wc-  maxNormal = wc-  minExtended = wc-  maxExtended = hoogsteen--instance Enum Edge where-  toEnum   = Edge-  fromEnum = unEdge---- ** Instances for 'CTisomerism'--instance Bounded CTisomerism where-  minBound = cis-  maxBound = unknownCT--instance Bounds CTisomerism where-  minNormal = cis-  maxNormal = cis-  minExtended = cis-  maxExtended = trans--instance Enum CTisomerism where-  toEnum   = CT-  fromEnum = unCT------ * Types---- | A basepair is simply a pair of Ints which are 0-indexing a sequence.------ TODO storable vector, newtype, peek/poke?--type PairIdx = (Int,Int)---- | A pair as a tuple containing 'Nuc's.--type Pair = (Nuc,Nuc)---- | Annotation for a basepair.--type ExtPairAnnotation = (CTisomerism,Edge,Edge)---- | An extended basepair is a basepair, annotated with edge and CTisomerism.--type ExtPairIdx = (PairIdx,ExtPairAnnotation)---- | An extended basepair, with nucleotides an annotation.--type ExtPair = (Pair,ExtPairAnnotation)------ * little helpers--cWW = (cis,wc,wc)-cWS = (cis,wc,sugar)-cWH = (cis,wc,hoogsteen)-cSW = (cis,sugar,wc)-cSS = (cis,sugar,sugar)-cSH = (cis,sugar,hoogsteen)-cHW = (cis,hoogsteen,wc)-cHS = (cis,hoogsteen,sugar)-cHH = (cis,hoogsteen,hoogsteen)-tWW = (trans,wc,wc)-tWS = (trans,wc,sugar)-tWH = (trans,wc,hoogsteen)-tSW = (trans,sugar,wc)-tSS = (trans,sugar,sugar)-tSH = (trans,sugar,hoogsteen)-tHW = (trans,hoogsteen,wc)-tHS = (trans,hoogsteen,sugar)-tHH = (trans,hoogsteen,hoogsteen)----- * special show instances---- | This one requires ghc head------ TODO maybe newtype this triple?----instance Show (CTisomerism,Edge,Edge) where---  show (ct,eI,eJ) = concat [show ct, show eI, show eJ]------ * tuple-like selection---- | Selection of nucleotides and/or type classes independent of which type we--- are looking at.--class BaseSelect a b | a -> b where-  -- |  select first index or nucleotide-  baseL :: a -> b-  -- | select second index or nucleotide-  baseR :: a -> b-  -- | select both nucleotides as pair-  baseP :: a -> (b,b)-  -- | select basepair type if existing or return default cWW-  baseT :: a -> ExtPairAnnotation-  -- | update first index or nucleotide-  updL :: b -> a -> a-  -- | update second index or nucleotide-  updR :: b -> a -> a-  -- | update complete pair-  updP :: (b,b) -> a -> a-  -- | update basepair type, error if not possible due to type a-  updT :: ExtPairAnnotation -> a -> a---- | extended pairtype annotation given--instance BaseSelect ((a,a),ExtPairAnnotation) a where-  baseL ((a,_),_) = a-  baseR ((_,b),_) = b-  baseP (lr   ,_) = lr-  baseT (_,t) = t-  updL n ((_,y),t) = ((n,y),t)-  updR n ((x,_),t) = ((x,n),t)-  updP n (_,t)     = (n,t)-  updT n (xy,_) = (xy,n)-  {-# INLINE baseL #-}-  {-# INLINE baseR #-}-  {-# INLINE baseP #-}-  {-# INLINE baseT #-}-  {-# INLINE updL #-}-  {-# INLINE updR #-}-  {-# INLINE updP #-}-  {-# INLINE updT #-}---- | simple cis/wc-wc basepairs--instance BaseSelect (a,a) a where-  baseL (a,_) = a-  baseR (_,a) = a-  baseP = id-  baseT _ = cWW-  updL n (_,y) = (n,y)-  updR n (x,_) = (x,n)-  updP n _     = n-  updT n xy = if n==cWW then xy else error $ "updT on standard pairs can not update to: " ++ show n-  {-# INLINE baseL #-}-  {-# INLINE baseR #-}-  {-# INLINE baseP #-}-  {-# INLINE baseT #-}-  {-# INLINE updL #-}-  {-# INLINE updR #-}-  {-# INLINE updP #-}-  {-# INLINE updT #-}--derivingUnbox "Edge"-  [t| Edge -> Int |] [| unEdge |] [| Edge |]+module Biobase.Secondary+  ( module Biobase.Secondary.Basepair+  , module Biobase.Secondary.Constraint+  , module Biobase.Secondary.Diagrams+  , module Biobase.Secondary.Isostericity+  , module Biobase.Secondary.Pseudoknots+  , module Biobase.Secondary.Structure+  , module Biobase.Secondary.Vienna+  ) where -derivingUnbox "CTisomerism"-  [t| CTisomerism -> Int |] [| unCT |] [| CT |]+import Biobase.Secondary.Basepair+import Biobase.Secondary.Constraint+import Biobase.Secondary.Diagrams+import Biobase.Secondary.Isostericity+import Biobase.Secondary.Pseudoknots+import Biobase.Secondary.Structure+import Biobase.Secondary.Vienna 
+ Biobase/Secondary/Basepair.hs view
@@ -0,0 +1,312 @@++{-# LANGUAGE FunctionalDependencies #-}++-- {-# LANGUAGE OverlappingInstances #-}++-- | Secondary structure: define basepairs as Int-tuples, the three edges, a+-- nucleotide can use for pairing and the cis/trans isomerism. Both edges and+-- cis/trans come with a tag for "unknown".+--+-- TODO set ext-annotations to be (isomerism,edge,edge) and have a asString+-- instance to read "cWW" "tSH" and other notation.++module Biobase.Secondary.Basepair where++import           Data.Aeson+import           Data.Binary+import           Data.Char (toLower, toUpper)+import           Data.Ix (Ix(..))+import           Data.List as L+import           Data.Primitive.Types+import           Data.Serialize+import           Data.Tuple (swap)+import           Data.Vector.Unboxed.Deriving+import           GHC.Base (remInt,quotInt)+import           GHC.Generics+import qualified Data.Vector.Generic as VG+import qualified Data.Vector.Generic.Mutable as VGM+import qualified Data.Vector.Unboxed as VU+import           Text.Read++import           Biobase.Primary++++-- * Newtypes for extended secondary structures++-- ** Encode which of three edges is engaged in base pairing++-- | Each nucleotide in a pair may be paired using one of three edges:+-- watson-crick, sugar, or hoogsteen.++newtype Edge = Edge {unEdge :: Int}+  deriving (Eq,Ord,Ix,Generic)++pattern W = Edge 0+pattern S = Edge 1+pattern H = Edge 2++instance Binary    Edge+instance Serialize Edge+instance FromJSON  Edge+instance ToJSON    Edge++-- TODO Index instances!++{-+instance (Shape sh,Show sh) => Shape (sh :. Edge) where+  rank (sh:._) = rank sh + 1+  zeroDim = zeroDim:.Edge 0+  unitDim = unitDim:.Edge 1 -- TODO does this one make sense?+  intersectDim (sh1:.n1) (sh2:.n2) = intersectDim sh1 sh2 :. min n1 n2+  addDim (sh1:.Edge n1) (sh2:.Edge n2) = addDim sh1 sh2 :. Edge (n1+n2) -- TODO will not necessarily yield a valid Edge+  size (sh1:.Edge n) = size sh1 * n+  sizeIsValid (sh1:.Edge n) = sizeIsValid (sh1:.n)+  toIndex (sh1:.Edge sh2) (sh1':.Edge sh2') = toIndex (sh1:.sh2) (sh1':.sh2')+  fromIndex (ds:.Edge d) n = fromIndex ds (n `quotInt` d) :. Edge r where+                              r | rank ds == 0 = n+                                | otherwise    = n `remInt` d+  inShapeRange (sh1:.n1) (sh2:.n2) (idx:.i) = i>=n1 && i<n2 && inShapeRange sh1 sh2 idx+  listOfShape (sh:.Edge n) = n : listOfShape sh+  shapeOfList xx = case xx of+    []   -> error "empty list in shapeOfList/Primary"+    x:xs -> shapeOfList xs :. Edge x+  deepSeq (sh:.n) x = deepSeq sh (n `seq` x)+  {-# INLINE rank #-}+  {-# INLINE zeroDim #-}+  {-# INLINE unitDim #-}+  {-# INLINE intersectDim #-}+  {-# INLINE addDim #-}+  {-# INLINE size #-}+  {-# INLINE sizeIsValid #-}+  {-# INLINE toIndex #-}+  {-# INLINE fromIndex #-}+  {-# INLINE inShapeRange #-}+  {-# INLINE listOfShape #-}+  {-# INLINE shapeOfList #-}+  {-# INLINE deepSeq #-}+-}++-- | Human-readable Show instance.++instance Show Edge where+  show H = "H"+  show S = "S"+  show W = "W"++-- | Human-readable Read instance.++instance Read Edge where+  readPrec = parens $ do+    Ident s <- lexP+    return $ case s of+      "H" -> H+      "S" -> S+      "W" -> W+      _   -> error $ "read Edge: " ++ s++instance Bounded Edge where+  minBound = W+  maxBound = H++instance Enum Edge where+  toEnum   = Edge+  fromEnum = unEdge++derivingUnbox "Edge"+  [t| Edge -> Int |] [| unEdge |] [| Edge |]++-- ** Is the base pair in cis or trans configuration++-- | Nucleotides in a pairing may be in the cis(==?) or trans(==?) state.++newtype CTisomerism = CT {unCT :: Int}+  deriving (Eq,Ord,Ix,Generic)++pattern Cis = CT 0+pattern Trn = CT 1++instance Binary    CTisomerism+instance Serialize CTisomerism+instance FromJSON  CTisomerism+instance ToJSON    CTisomerism++-- TODO Index instances++{-+instance (Shape sh,Show sh) => Shape (sh :. CTisomerism) where+  rank (sh:._) = rank sh + 1+  zeroDim = zeroDim:.CT 0+  unitDim = unitDim:.CT 1 -- TODO does this one make sense?+  intersectDim (sh1:.n1) (sh2:.n2) = intersectDim sh1 sh2 :. min n1 n2+  addDim (sh1:.CT n1) (sh2:.CT n2) = addDim sh1 sh2 :. CT (n1+n2) -- TODO will not necessarily yield a valid CT+  size (sh1:.CT n) = size sh1 * n+  sizeIsValid (sh1:.CT n) = sizeIsValid (sh1:.n)+  toIndex (sh1:.CT sh2) (sh1':.CT sh2') = toIndex (sh1:.sh2) (sh1':.sh2')+  fromIndex (ds:.CT d) n = fromIndex ds (n `quotInt` d) :. CT r where+                              r | rank ds == 0 = n+                                | otherwise    = n `remInt` d+  inShapeRange (sh1:.n1) (sh2:.n2) (idx:.i) = i>=n1 && i<n2 && inShapeRange sh1 sh2 idx+  listOfShape (sh:.CT n) = n : listOfShape sh+  shapeOfList xx = case xx of+    []   -> error "empty list in shapeOfList/Primary"+    x:xs -> shapeOfList xs :. CT x+  deepSeq (sh:.n) x = deepSeq sh (n `seq` x)+  {-# INLINE rank #-}+  {-# INLINE zeroDim #-}+  {-# INLINE unitDim #-}+  {-# INLINE intersectDim #-}+  {-# INLINE addDim #-}+  {-# INLINE size #-}+  {-# INLINE sizeIsValid #-}+  {-# INLINE toIndex #-}+  {-# INLINE fromIndex #-}+  {-# INLINE inShapeRange #-}+  {-# INLINE listOfShape #-}+  {-# INLINE shapeOfList #-}+  {-# INLINE deepSeq #-}+-}++-- | Human-readable Show instance.++instance Show CTisomerism where+  show Cis = "C"+  show Trn = "T"++-- | Human-readable Read instance.++instance Read CTisomerism where+  readPrec = parens $ do+    Ident s <- lexP+    return $ case s of+      "C" -> Cis+      "T" -> Trn+      _   -> error $ "read CTisomerism: " ++ s++instance Bounded CTisomerism where+  minBound = Cis+  maxBound = Trn++instance Enum CTisomerism where+  toEnum   = CT+  fromEnum = unCT++derivingUnbox "CTisomerism"+  [t| CTisomerism -> Int |] [| unCT |] [| CT |]++++-- * Types++-- | A basepair is simply a pair of Ints which are 0-indexing a sequence.++type PairIdx = (Int,Int)++-- | A pair as a tuple containing 'Nuc's.++type Pair = (Letter RNA,Letter RNA)++-- | Annotation for a basepair.++type ExtPairAnnotation = (CTisomerism,Edge,Edge)++-- | An extended basepair is a basepair, annotated with edge and CTisomerism.++type ExtPairIdx = (PairIdx,ExtPairAnnotation)++-- | An extended basepair, with nucleotides an annotation.++type ExtPair = (Pair,ExtPairAnnotation)++++-- * little helpers++pattern CHH = (Cis,H,H)+pattern CHS = (Cis,H,S)+pattern CHW = (Cis,H,W)+pattern CSH = (Cis,S,H)+pattern CSS = (Cis,S,S)+pattern CSW = (Cis,S,W)+pattern CWH = (Cis,W,H)+pattern CWS = (Cis,W,S)+pattern CWW = (Cis,W,W)++pattern THH = (Trn,H,H)+pattern THS = (Trn,H,S)+pattern THW = (Trn,H,W)+pattern TSH = (Trn,S,H)+pattern TSS = (Trn,S,S)+pattern TSW = (Trn,S,W)+pattern TWH = (Trn,W,H)+pattern TWS = (Trn,W,S)+pattern TWW = (Trn,W,W)++++-- * tuple-like selection+--+-- the 'lens' library provides combinators that should make this+-- superfluous.++-- | Selection of nucleotides and/or type classes independent of which type we+-- are looking at.++class BaseSelect a b | a -> b where+  -- |  select first index or nucleotide+  baseL :: a -> b+  -- | select second index or nucleotide+  baseR :: a -> b+  -- | select both nucleotides as pair+  baseP :: a -> (b,b)+  -- | select basepair type if existing or return default cWW+  baseT :: a -> ExtPairAnnotation+  -- | update first index or nucleotide+  updL :: b -> a -> a+  -- | update second index or nucleotide+  updR :: b -> a -> a+  -- | update complete pair+  updP :: (b,b) -> a -> a+  -- | update basepair type, error if not possible due to type a+  updT :: ExtPairAnnotation -> a -> a++-- | extended pairtype annotation given++instance BaseSelect ((a,a),ExtPairAnnotation) a where+  baseL ((a,_),_) = a+  baseR ((_,b),_) = b+  baseP (lr   ,_) = lr+  baseT (_,t) = t+  updL n ((_,y),t) = ((n,y),t)+  updR n ((x,_),t) = ((x,n),t)+  updP n (_,t)     = (n,t)+  updT n (xy,_) = (xy,n)+  {-# INLINE baseL #-}+  {-# INLINE baseR #-}+  {-# INLINE baseP #-}+  {-# INLINE baseT #-}+  {-# INLINE updL #-}+  {-# INLINE updR #-}+  {-# INLINE updP #-}+  {-# INLINE updT #-}++-- | simple cis/wc-wc basepairs++instance BaseSelect (a,a) a where+  baseL (a,_) = a+  baseR (_,a) = a+  baseP = id+  baseT _ = CWW+  updL n (_,y) = (n,y)+  updR n (x,_) = (x,n)+  updP n _     = n+  updT n xy = if n==CWW then xy else error $ "updT on standard pairs can not update to: " ++ show n+  {-# INLINE baseL #-}+  {-# INLINE baseR #-}+  {-# INLINE baseP #-}+  {-# INLINE baseT #-}+  {-# INLINE updL #-}+  {-# INLINE updR #-}+  {-# INLINE updP #-}+  {-# INLINE updT #-}+
Biobase/Secondary/Constraint.hs view
@@ -1,29 +1,23 @@-{-# LANGUAGE PackageImports #-}-{-# LANGUAGE FlexibleInstances #-}-{-# LANGUAGE TypeSynonymInstances #-}-{-# LANGUAGE GeneralizedNewtypeDeriving #-}-{-# LANGUAGE MultiParamTypeClasses #-}-{-# LANGUAGE StandaloneDeriving #-} +-- | Simple oldstyle RNAfold constraints. A constraint yields a bonus or+-- malus to energy.+ module Biobase.Secondary.Constraint where -import Data.Array.Repa.Index-import Data.Array.Repa.Shape-import Data.Char (toLower)-import Data.Primitive.Types+import           Data.Char (toLower)+import           Data.Primitive.Types+import           Prelude as P import qualified Data.Vector.Generic as VG import qualified Data.Vector.Generic.Mutable as VGM import qualified Data.Vector.Unboxed as VU-import Prelude as P -import Data.PrimitiveArray-import Data.PrimitiveArray.Zero+import           Data.PrimitiveArray -import Biobase.Secondary.Diagrams+import           Biobase.Secondary.Diagrams   --- | We can create a constraint from different sources+-- | We can create a constraint from different sources.  class MkConstraint a where   mkConstraint :: a -> Constraint@@ -34,9 +28,11 @@ newtype Constraint = Constraint {unConstraint :: VU.Vector (Char,Int)}   deriving (Show,Read,Eq) +bonusCC :: VU.Vector Char bonusCC = VU.fromList "()<>|" {-# NOINLINE bonusCC #-} +nobonusCC :: VU.Vector Char nobonusCC = VU.fromList ".x" {-# NOINLINE nobonusCC #-} @@ -52,9 +48,9 @@ -- TODO and again, we should parametrize over "Energy", "Score", etc (that is, -- Prim a) -bonusTable :: Double -> Double -> Constraint -> Unboxed DIM2 Double+bonusTable :: Double -> Double -> Constraint -> Unboxed (Z:.Int:.Int) Double bonusTable bonus malus (Constraint constraint) = arr where-  arr = fromAssocs zeroDim (Z:.n:.n) 0 $ bonusBr ++ bonusAn ++ bonusBa ++ malusBr ++ malusAn ++ malusX+  arr = fromAssocs (Z:.0:.0) (Z:.n:.n) 0 $ bonusBr ++ bonusAn ++ bonusBa ++ malusBr ++ malusAn ++ malusX   n = VU.length constraint -1   infixl 1 `xor`   xor a b = a && not b || not a && b@@ -99,13 +95,6 @@             , j<-[i+1..n]             , fst (constraint VU.! i) == 'x' || fst (constraint VU.! j) == 'x'             ]--{--testC = putStrLn $ f as where-  f [] = ""-  f xs = show (take 9 xs) ++ "\n" ++ f (drop 9 xs)-  as = toList $ bonusTable (1) 2 (mkConstraint "(<<..x|>)")--}  -- * Instances 
Biobase/Secondary/Diagrams.hs view
@@ -1,48 +1,61 @@-{-# LANGUAGE ScopedTypeVariables #-}-{-# LANGUAGE TypeSynonymInstances #-}-{-# LANGUAGE FlexibleInstances #-}  -- | Types for RNA secondary structure. Types vary from the simplest array -- (D1Secondary) to rather complex ones. -{-# LANGUAGE RecordWildCards #-}- module Biobase.Secondary.Diagrams where - import           Control.Applicative import           Control.Arrow-import           Data.List (sort,groupBy,sortBy)+import           Control.Lens+import           Data.Aeson+import           Data.Binary+import           Data.List ((\\))+import           Data.List (sort,groupBy,sortBy,intersperse)+import           Data.List.Split (splitOn)+import           Data.Serialize import           Data.Tuple.Select (sel1,sel2) import           Data.Tuple (swap)+import           Data.Vector.Binary+import           Data.Vector.Cereal+import           GHC.Generics import qualified Data.Vector.Unboxed as VU import           Text.Printf -import Biobase.Primary-import Biobase.Secondary+import           Biobase.Primary.Nuc+import           Biobase.Secondary.Basepair    -- | RNA secondary structure with 1-diagrams. Each nucleotide is paired with at--- most one other nucleotide. A nucleotide with index k \in [0..len-1] is--- paired if unD1S VU.! k > 0.+-- most one other nucleotide. A nucleotide with index @k@ in @[0..len-1]@ is+-- paired if @unD1S VU.! k >=0 0@ Unpaired status is @-1@.  newtype D1Secondary = D1S {unD1S :: VU.Vector Int}-  deriving (Read,Show,Eq)+  deriving (Read,Show,Eq,Generic) +instance Binary    D1Secondary+instance Serialize D1Secondary+instance FromJSON  D1Secondary+instance ToJSON    D1Secondary+ -- RNA secondary structure with 2-diagrams. Each nucleotide is paired with up -- to two other nucleotides.  newtype D2Secondary = D2S {unD2S :: VU.Vector ( (Int,Edge,CTisomerism), (Int,Edge,CTisomerism) )}-  deriving (Read,Show,Eq)+  deriving (Read,Show,Eq,Generic) --- |+instance Binary    D2Secondary+instance Serialize D2Secondary+instance FromJSON  D2Secondary+instance ToJSON    D2Secondary +-- | Conversion to and from 1-diagrams.+ class MkD1Secondary a where   mkD1S :: a -> D1Secondary   fromD1S :: D1Secondary -> a --- |+-- | Conversion to and from 2-diagrams.  class MkD2Secondary a where   mkD2S :: a -> D2Secondary@@ -52,21 +65,21 @@  -- * Tree-based representation ----- Tree -> d1/2Secondary ?+-- TODO Tree -> d1/2Secondary ?  -- | A secondary-structure tree. Has no notion of pseudoknots. -data SSTree idx a = SSTree idx a [SSTree idx a]-                  | SSExt  Int a [SSTree idx a]-  deriving (Read,Show,Eq)+data SSTree idx a = SSTree   idx a [SSTree idx a]+                  | SSExtern Int a [SSTree idx a]+  deriving (Read,Show,Eq,Generic)  -- | Create a tree from (pseudoknot-free [not checked]) 1-diagrams.  d1sTree :: D1Secondary -> SSTree PairIdx () d1sTree s = ext $ sort ps where   (len,ps) = fromD1S s-  ext [] = SSExt len () []-  ext xs = SSExt len () . map tree $ groupBy (\l r -> snd l > fst r) xs -- ">=" would be partial allowance for 2-diagrams+  ext [] = SSExtern len () []+  ext xs = SSExtern len () . map tree $ groupBy (\l r -> snd l > fst r) xs -- ">=" would be partial allowance for 2-diagrams   tree [ij]    = SSTree ij () []   tree (ij:xs) = SSTree ij () . map tree $ groupBy (\l r -> snd l > fst r) xs @@ -75,8 +88,8 @@ d2sTree :: D2Secondary -> SSTree ExtPairIdx () d2sTree s = ext $ sortBy d2Compare ps where   (len,ps) = fromD2S s-  ext [] = SSExt len () []-  ext xs = SSExt len () . map tree . groupBy d2Grouping $ xs+  ext [] = SSExtern len () []+  ext xs = SSExtern len () . map tree . groupBy d2Grouping $ xs   tree [ij]    = SSTree ij () []   tree (ij:xs) = SSTree ij () . map tree . groupBy d2Grouping $ xs @@ -87,21 +100,6 @@  d2Grouping ((i,j),_) ((k,l),_) = i<=k && j>=l -{--test :: (Int,[ExtPairIdx])-test = (20,test')--test' =-  [ ((2,15),(cis,wc,wc))-  , ((3,14),(cis,wc,wc))-  , ((4,13),(cis,wc,wc))-  , ((5,12),(cis,wc,wc))-  , ((6,10),(trans,wc,hoogsteen))-  , ((2,18),(trans,sugar,sugar))-  , ((15,18),(cis,sugar,sugar))-  ]--}- -- * Instances for D1S  -- | Conversion between D1S and D2S is lossy in D2S -> D1S@@ -124,7 +122,7 @@ -- TODO 'fromD2S' makes me wanna rewrite everything...  instance MkD2Secondary D1Secondary where-  mkD2S (D1S xs) = D2S . VU.map (\k -> ((k,wc,cis),(-1,unknownEdge,unknownCT))) $ xs+  mkD2S = D2S . VU.map (\k -> ((k,W,Cis),(-1,W,Cis))) . unD1S   fromD2S (D2S xs) = D1S . VU.map (sel1 . sel1) $ xs  instance MkD2Secondary (Int,[ExtPairIdx]) where@@ -133,7 +131,7 @@                                           , (j, (i,e2,ct))                                           ]) ps                        f (x,y) z = if sel1 x == -1 then (z,y) else (x,z)-                   in D2S $ VU.accum f (VU.replicate len ((-1,unknownEdge,unknownCT),(-1,unknownEdge,unknownCT))) xs+                   in D2S $ VU.accum f (VU.replicate len ((-1,W,Cis),(-1,W,Cis))) xs   fromD2S (D2S s) = ( VU.length s                     , let (xs,ys) = unzip . VU.toList $ s                           g i j = let z = s VU.! i in if sel1 (sel1 z) == j then sel2 (sel1 z) else sel2 (sel2 z)@@ -149,16 +147,12 @@ -- | A second primitive generator, requiring dictionary and String. This one -- generates pairs that are then used by the above instance. The dict is a list -- of possible brackets: ["()"] being the minimal set.------ NOTE no dictionary is returned by "fromD1S".------ TODO return dictionary that is actually seen?  instance MkD1Secondary ([String],String) where   mkD1S (dict,xs) = mkD1S (length xs,ps) where     ps :: [(Int,Int)]-    ps = unsafeDotBracket dict xs-  fromD1S (D1S s) = ([], zipWith f [0..] $ VU.toList s) where+    ps = unsafeDotBracket2pairlist dict xs+  fromD1S (D1S s) = (["()"], zipWith f [0..] $ VU.toList s) where     f k (-1) = '.'     f k p       | k>p = ')'@@ -173,22 +167,68 @@ -- | A "fast" instance for getting the pair list of vienna-structures.  instance MkD1Secondary String where-  mkD1S xs = mkD1S (["()"],xs)+  mkD1S xs = mkD1S (["()" ::String],xs)   fromD1S s = let (_::[String],res) = fromD1S s in res  instance MkD1Secondary (VU.Vector Char) where-  mkD1S xs = mkD1S (["()"],xs)+  mkD1S xs = mkD1S (["()" ::String],xs)   fromD1S s = let (_::[String],res::VU.Vector Char) = fromD1S s in res   +-- * High-level parsing functionality for secondary structures++-- | Completely canonical structure.+--+-- TODO Check size of hairpins and interior loops?++isCanonicalStructure :: String -> Bool+isCanonicalStructure = all (`elem` "().")++-- | Is constraint type structure, i.e. there can also be symbols present+-- that denote up- or downstream pairing.++isConstraintStructure :: String -> Bool+isConstraintStructure = all (`elem` "().<>{}|")++-- | Take a structural string and split it into its constituents.+--+-- If we decide to /NOT/ depend on @lens@ explicitly, another way to write+-- this is:+--+-- @+-- structures :: forall p f . (Profunctor p, Functor f) => p [String] (f [String]) -> p String (f String)+-- structures = dimap (splitOn "&") (fmap (concat . intersperse "&"))+-- @++structures :: Iso' String [String]+structures = iso (splitOn "&") (concat . intersperse "&")++-- | A @fold@ structure is a single structure++foldStructure :: Prism' String String+foldStructure = prism id to where+  to s = case s^.structures of+           [t] -> Right t+           _   -> Left  s++-- | A @cofold@ structure has exactly two structures split by @&@ (which the+-- prism removes).++cofoldStructure :: Prism' String (String,String)+cofoldStructure = prism from to where+  from (l,r) = l ++ '&' : r+  to   s     = case s^.structures of+                 [l,r] -> Right (l,r)+                 _     -> Left  s+ -- * Helper functions  -- | Secondary structure parser which allows pseudoknots, if they use different -- kinds of brackets. -unsafeDotBracket :: [String] -> String -> [(Int,Int)]-unsafeDotBracket dict xs = sort . concatMap (f xs) $ dict where+unsafeDotBracket2pairlist :: [String] -> String -> [(Int,Int)]+unsafeDotBracket2pairlist dict xs = sort . concatMap (f xs) $ dict where   f xs [l,r] = g 0 [] . map (\x -> if x `elem` [l,r] then x else '.') $ xs where     g :: Int -> [Int] -> String -> [(Int,Int)]     g _ st [] = []@@ -202,8 +242,8 @@ -- | Secondary structure parser with a notion of errors. We either return a -- @Right@ structure, including flags, or a @Left@ error. -dotBracket :: [String] -> String -> Either String ( [(Int,Int)] )-dotBracket dict str = fmap (sort . concat) . sequence . map (f str) $ dict where+dotBracket2pairlist :: [String] -> String -> Either String ( [(Int,Int)] )+dotBracket2pairlist dict str = fmap (sort . concat) . sequence . map (f str) $ dict where   f ys [l,r] = g 0 [] . map (\x -> if x `elem` [l,r] then x else '.') $ ys where     g :: Int -> [Int] -> String -> Either String ( [(Int,Int)] )     g _ [] [] = pure []@@ -215,4 +255,13 @@     g a b c   = fail $ printf "unspecified error: %s (dot-bracket: %s)" (show (a,b,c)) str   f xs lr@(_:_:_:_) = fail $ printf "unsound dictionary: %s (dot-bracket: %s)" lr str   f xs lr     = fail $ printf "unspecified error: dict: %s, input: %s (dot-bracket: %s)" lr xs str++-- | Calculates the distance between two vienna strings.++viennaStringDistance :: Bool -> Bool -> String -> String -> (String,Int)+viennaStringDistance sPairs tPairs s t = (t,length $ ss++tt) where+  s' = either error id . dotBracket2pairlist ["()"] $ s+  t' = either error id . dotBracket2pairlist ["()"] $ t+  ss = if sPairs then s' \\ t' else []+  tt = if tPairs then t' \\ s' else [] 
Biobase/Secondary/Isostericity.hs view
@@ -1,28 +1,27 @@-{-# LANGUAGE PatternGuards #-}-{-# LANGUAGE FlexibleInstances #-}-{-# LANGUAGE TypeSynonymInstances #-}-{-# LANGUAGE TemplateHaskell #-}  -- | Provides detailed information on isostericity of RNA basepairs. All data -- is extracted from csv files which were created from supplemental files in: --+-- @ -- Frequency and isostericity of RNA base pairs -- Jesse Stombaugh, Craig L. Zirbel, Eric Westhof, and Neocles B. Leontis -- Nucl. Acids Res. (2009) -- doi:10.1093/nar/gkp011+-- @+--  module Biobase.Secondary.Isostericity where -import Data.ByteString.Char8 (ByteString)-import Data.FileEmbed (embedFile)-import Data.Function (on)-import Data.List+import           Data.ByteString.Char8 (ByteString)+import           Data.FileEmbed (embedFile)+import           Data.Function (on)+import           Data.List import qualified Data.ByteString.Char8 as BS import qualified Data.Map as M-import Text.CSV+import           Text.CSV -import Biobase.Primary-import Biobase.Secondary+import           Biobase.Primary.Nuc+import           Biobase.Secondary.Basepair   @@ -56,11 +55,11 @@  instance IsostericityLookup Pair where   getClasses p-    | Just cs <- M.lookup (p,cWW) defaultIsostericityMap+    | Just cs <- M.lookup (p,CWW) defaultIsostericityMap     = cs     | otherwise = []   inClass x = map (baseP.fst) -- remove extended information-            . filter ((cWW==).baseT.fst) -- keep only cWW pairs (baseT-ype)+            . filter ((CWW==).baseT.fst) -- keep only cWW pairs (baseT-ype)             . filter ((x `elem`).snd) -- select based on class             $ M.assocs defaultIsostericityMap @@ -81,7 +80,7 @@ mkIsostericityList :: [[[String]]] -> [(ExtPair, [String])] mkIsostericityList gs = nubBy ((==) `on` fst) . concatMap turn . concatMap f $ gs where   f g = map (\e ->  ( ( let [x,y] = fst e-                        in (mkNuc x, mkNuc y), threeChar bpt+                        in (charRNA x, charRNA y), read bpt                       )                     , nub $ snd e)             ) $ map entry xs where
− Biobase/Secondary/PseudoKnots.hs
@@ -1,62 +0,0 @@-{-# LANGUAGE FlexibleInstances #-}-{-# LANGUAGE BangPatterns #-}---- | Methods to transform a secondary structure containing pseudoknots into a--- structure which is pseudoknot-free.------ TODO Until a better name is found, this module is home to functions for--- "de-pseudoknotting" structures.------ TODO Check if there are corner-cases remaining when considering 2-diagrams.--module Biobase.Secondary.PseudoKnots where--import qualified Data.Vector.Unboxed as VU-import Data.List--import Biobase.Secondary------ | Try to removed pseudoknots from the "pairlist". This works by counting for--- each pair, how many pairs are incompatible with it. Then those with most--- incompatibilities are successively removed. This function might well remove--- more than necessary!--class RemovePseudoKnots a where-  removeByCounting :: a -> a---- | Remove pseudoknotted pairs from RNA secondary structures.--instance RemovePseudoKnots (VU.Vector PairIdx) where-  removeByCounting = VU.force . wrapRemove where-    wrapRemove !ps-      | VU.null cnts = ps -- there are no pairs-      | mmx == 0     = ps -- there are no incompatibilities-      | otherwise    = wrapRemove $ VU.take pos ps VU.++ VU.drop (pos+1) ps-      where-        cnts = VU.map incomp ps-        mmx = VU.maximum cnts-        Just pos = VU.elemIndex mmx cnts-        incomp (i,j) = VU.length $ VU.filter (\(k,l) -> i<k&&k<j&&j<l || k<i&&i<l&&l<j) ps--instance RemovePseudoKnots [PairIdx] where-  removeByCounting = VU.toList . removeByCounting . VU.fromList---- | Remove pseudoknotted pairs from extended RNA secondary structures.--instance RemovePseudoKnots (VU.Vector ExtPairIdx) where-  removeByCounting = VU.force . wrapRemove where-    wrapRemove !ps-      | VU.null cnts = ps -- there are no pairs-      | mmx == 0     = ps -- there are no incompatibilities-      | otherwise    = wrapRemove $ VU.take pos ps VU.++ VU.drop (pos+1) ps-      where-        cnts = VU.map incomp ps-        mmx = VU.maximum cnts-        Just pos = VU.elemIndex mmx cnts-        incomp ((i,j),_) = VU.length $ VU.filter (\((k,l),_) -> i<k&&k<j&&j<l || k<i&&i<l&&l<j) ps--instance RemovePseudoKnots [ExtPairIdx] where-  removeByCounting = VU.toList . removeByCounting . VU.fromList-
+ Biobase/Secondary/Pseudoknots.hs view
@@ -0,0 +1,60 @@++-- | Methods to transform a secondary structure containing pseudoknots into a+-- structure which is pseudoknot-free.+--+-- TODO Until a better name is found, this module is home to functions for+-- "de-pseudoknotting" structures.+--+-- TODO Check if there are corner-cases remaining when considering 2-diagrams.++module Biobase.Secondary.Pseudoknots where++import           Data.List+import qualified Data.Vector.Unboxed as VU++import Biobase.Secondary.Basepair++++-- | Try to removed pseudoknots from the "pairlist". This works by counting for+-- each pair, how many pairs are incompatible with it. Then those with most+-- incompatibilities are successively removed. This function might well remove+-- more than necessary!++class RemovePseudoKnots a where+  removeByCounting :: a -> a++-- | Remove pseudoknotted pairs from RNA secondary structures.++instance RemovePseudoKnots (VU.Vector PairIdx) where+  removeByCounting = VU.force . wrapRemove where+    wrapRemove !ps+      | VU.null cnts = ps -- there are no pairs+      | mmx == 0     = ps -- there are no incompatibilities+      | otherwise    = wrapRemove $ VU.take pos ps VU.++ VU.drop (pos+1) ps+      where+        cnts = VU.map incomp ps+        mmx = VU.maximum cnts+        Just pos = VU.elemIndex mmx cnts+        incomp (i,j) = VU.length $ VU.filter (\(k,l) -> i<k&&k<j&&j<l || k<i&&i<l&&l<j) ps++instance RemovePseudoKnots [PairIdx] where+  removeByCounting = VU.toList . removeByCounting . VU.fromList++-- | Remove pseudoknotted pairs from extended RNA secondary structures.++instance RemovePseudoKnots (VU.Vector ExtPairIdx) where+  removeByCounting = VU.force . wrapRemove where+    wrapRemove !ps+      | VU.null cnts = ps -- there are no pairs+      | mmx == 0     = ps -- there are no incompatibilities+      | otherwise    = wrapRemove $ VU.take pos ps VU.++ VU.drop (pos+1) ps+      where+        cnts = VU.map incomp ps+        mmx = VU.maximum cnts+        Just pos = VU.elemIndex mmx cnts+        incomp ((i,j),_) = VU.length $ VU.filter (\((k,l),_) -> i<k&&k<j&&j<l || k<i&&i<l&&l<j) ps++instance RemovePseudoKnots [ExtPairIdx] where+  removeByCounting = VU.toList . removeByCounting . VU.fromList+
+ Biobase/Secondary/Structure.hs view
@@ -0,0 +1,36 @@++-- | A secondary structure, with sequence, Vienna compatible canonical+-- secondary structure, extended structure, and additional information.+--+-- This is the structure that will be returned by prediction algorithms in+-- the future.+--+-- TODO we will need ex- and import functions to a number of standard+-- formats. There is an open feature request to export to something that+-- resembles FASTA with additional information.++module Biobase.Secondary.Structure where++import           Data.Map.Strict (Map)+import           Data.Text (Text)+import qualified Data.Text as T++import           Biobase.Secondary.Diagrams++++-- | A sequence, complete with secondary structure. While this structure is+-- rather RNA-centric, there is nothing that prohibits us from using this+-- for DNA.+--+-- TODO Generics, Cereal, Binary, Aeson instances++data SecondaryStructure = SS+  { _ssSeq      :: !Text          -- ^ sequence; we use 'Text' whenever possible+  , _ssVienna   :: !D1Secondary   -- ^ canonical Vienna secondary structure+  , _ssExt      :: !D2Secondary   -- ^ extended secondary structure+  , _ssViennaE  :: Maybe ()       -- ^ TODO will be the energy, measured or predicted+  , _ssAux      :: Map Text Text  -- ^ any auxiliary info in key/value format+  }+  deriving (Eq,Show,Read)+
Biobase/Secondary/Vienna.hs view
@@ -1,43 +1,82 @@-{-# LANGUAGE PackageImports #-}-{-# LANGUAGE TypeOperators #-}-{-# LANGUAGE PatternGuards #-}-{-# LANGUAGE FlexibleInstances #-}-{-# LANGUAGE GeneralizedNewtypeDeriving #-}-{-# LANGUAGE MultiParamTypeClasses #-}-{-# LANGUAGE StandaloneDeriving #-}-{-# LANGUAGE TemplateHaskell #-}-{-# LANGUAGE TypeFamilies #-}  -- | Encoding of Watson-Crick and Wobble Pairs in the Vienna RNA package style.  module Biobase.Secondary.Vienna where -import           Data.Array.Repa.Index-import           Data.Array.Repa.Shape+import           Data.Aeson+import           Data.Binary import           Data.Ix import           Data.Primitive.Types+import           Data.Serialize (Serialize(..)) import           Data.Tuple (swap)+import           Data.Vector.Fusion.Stream.Monadic (map,flatten,Step(..))+import           Data.Vector.Fusion.Stream.Size (Size (Unknown)) import           Data.Vector.Unboxed.Deriving import           GHC.Base (remInt,quotInt)-import           Prelude as P+import           GHC.Generics (Generic)+import           Prelude hiding (map) import qualified Data.Vector.Generic as VG import qualified Data.Vector.Generic.Mutable as VGM import qualified Data.Vector.Unboxed as VU+import qualified Prelude as P -import           Data.Array.Repa.ExtShape-import           Data.PrimitiveArray as PA-import           Data.PrimitiveArray.Zero as PA+import           Data.PrimitiveArray hiding (Complement(..),map) -import           Biobase.Primary-import           Biobase.Primary.Bounds+import           Biobase.Primary.Letter+import           Biobase.Primary.Nuc+import           Biobase.Primary.Nuc.RNA    -- | Use machine Ints internally  newtype ViennaPair = ViennaPair { unViennaPair :: Int }-  deriving (Eq,Ord,Ix)+  deriving (Eq,Ord,Generic,Ix) +instance Binary    (ViennaPair)+instance Serialize (ViennaPair)+instance FromJSON  (ViennaPair)+instance ToJSON    (ViennaPair)++instance Index ViennaPair where+  linearIndex _ _ (ViennaPair p) = p+  {-# Inline linearIndex #-}+  smallestLinearIndex _ = error "still needed?"+  {-# Inline smallestLinearIndex #-}+  largestLinearIndex (ViennaPair p) = p+  {-# Inline largestLinearIndex #-}+  size _ (ViennaPair h) = h+1+  {-# Inline size #-}+  inBounds (ViennaPair l) (ViennaPair h) (ViennaPair p) = l <= p && p <= h+  {-# Inline inBounds #-}++instance IndexStream z => IndexStream (z:.ViennaPair) where+  streamUp (ls:.ViennaPair l) (hs:.ViennaPair h) = flatten mk step Unknown $ streamUp ls hs+    where mk z = return (z,l)+          step (z,k)+            | k > h     = return $ Done+            | otherwise = return $ Yield (z:.ViennaPair k) (z,k+1)+          {-# Inline [0] mk   #-}+          {-# Inline [0] step #-}+  {-# Inline streamUp #-}+  streamDown (ls:.ViennaPair l) (hs:.ViennaPair h) = flatten mk step Unknown $ streamDown ls hs+    where mk z = return (z,h)+          step (z,k)+            | k < l     = return $ Done+            | otherwise = return $ Yield (z:.ViennaPair k) (z,k-1)+          {-# Inline [0] mk   #-}+          {-# Inline [0] step #-}+  {-# Inline streamDown #-}++instance IndexStream ViennaPair where+  streamUp l h = map (\(Z:.k) -> k) $ streamUp (Z:.l) (Z:.h)+  {-# Inline streamUp #-}+  streamDown l h = map (\(Z:.k) -> k) $ streamDown (Z:.l) (Z:.h)+  {-# Inline streamDown #-}++++{- instance (Shape sh,Show sh) => Shape (sh :. ViennaPair) where   rank (sh:._) = rank sh + 1   zeroDim = zeroDim:.ViennaPair 0@@ -73,52 +112,67 @@ instance (Eq sh, Shape sh, Show sh, ExtShape sh) => ExtShape (sh :. ViennaPair) where   subDim (sh1:.ViennaPair n1) (sh2:.ViennaPair n2) = subDim sh1 sh2 :. (ViennaPair $ n1-n2)   rangeList (sh1:.ViennaPair n1) (sh2:.ViennaPair n2) = [sh:.ViennaPair n | sh <- rangeList sh1 sh2, n <- [n1 .. (n1+n2)]]+  rangeStream (fs:.ViennaPair f) (ts:.ViennaPair t) = VM.flatten mk step Unknown $ rangeStream fs ts where+    mk sh = return (sh :. f)+    step (sh :. k)+      | k>t       = return $ VM.Done+      | otherwise = return $ VM.Yield (sh :. ViennaPair k) (sh :. k +1)+    {-# INLINE [1] mk #-}+    {-# INLINE [1] step #-}+  {-# INLINE rangeStream #-}+-} -(vpNP:vpCG:vpGC:vpGU:vpUG:vpAU:vpUA:vpNS:vpUndefined:_) = P.map ViennaPair [0..]+pattern    NP = ViennaPair 0 :: ViennaPair+pattern    CG = ViennaPair 1 :: ViennaPair+pattern    GC = ViennaPair 2 :: ViennaPair+pattern    GU = ViennaPair 3 :: ViennaPair+pattern    UG = ViennaPair 4 :: ViennaPair+pattern    AU = ViennaPair 5 :: ViennaPair+pattern    UA = ViennaPair 6 :: ViennaPair+pattern    NS = ViennaPair 7 :: ViennaPair+pattern Undef = ViennaPair 8 :: ViennaPair  class MkViennaPair a where   mkViennaPair :: a -> ViennaPair   fromViennaPair :: ViennaPair -> a -instance MkViennaPair (Nuc,Nuc) where-  mkViennaPair (b1,b2) -- = viennaPairTable `PA.index` (Z:.b1:.b2)-    | b1==nC&&b2==nG = vpCG-    | b1==nG&&b2==nC = vpGC-    | b1==nG&&b2==nU = vpGU-    | b1==nU&&b2==nG = vpUG-    | b1==nA&&b2==nU = vpAU-    | b1==nU&&b2==nA = vpUA-    | otherwise = vpNS+instance MkViennaPair (Letter RNA, Letter RNA) where+  mkViennaPair = \case+    (C,G) -> CG+    (G,C) -> GC+    (G,U) -> GU+    (U,G) -> UG+    (A,U) -> AU+    (U,A) -> UA+    _     -> NS   {-# INLINE mkViennaPair #-}-  fromViennaPair p-    | p==vpCG = (nC,nG)-    | p==vpGC = (nG,nC)-    | p==vpGU = (nG,nU)-    | p==vpUG = (nU,nG)-    | p==vpAU = (nA,nU)-    | p==vpUA = (nU,nA)-    | otherwise = error "non-standard pairs can't be backcasted"+  fromViennaPair = \case+    CG -> (C,G)+    GC -> (G,C)+    GU -> (G,U)+    UG -> (U,G)+    AU -> (A,U)+    UA -> (U,A)+    _  -> error "non-standard pairs can't be backcasted"   {-# INLINE fromViennaPair #-} -isViennaPair :: Nuc -> Nuc -> Bool-isViennaPair a b = f a b where-  f l r =  l==nC && r==nG-        || l==nG && r==nC-        || l==nA && r==nU-        || l==nU && r==nA-        || l==nG && r==nU-        || l==nU && r==nG-  {-# INLINE f #-}+isViennaPair :: Letter RNA -> Letter RNA -> Bool+isViennaPair l r =  l==C && r==G+                 || l==G && r==C+                 || l==A && r==U+                 || l==U && r==A+                 || l==G && r==U+                 || l==U && r==G {-# INLINE isViennaPair #-} -viennaPairTable :: Unboxed (Z:.Nuc:.Nuc) ViennaPair-viennaPairTable = fromAssocs (Z:.nN:.nN) (Z:.nU:.nU) vpNS-  [ (Z:.nC:.nG , vpCG)-  , (Z:.nG:.nC , vpGC)-  , (Z:.nG:.nU , vpGU)-  , (Z:.nU:.nG , vpUG)-  , (Z:.nA:.nU , vpAU)-  , (Z:.nU:.nA , vpUA)+viennaPairTable :: Unboxed (Z:.Letter RNA:.Letter RNA) ViennaPair+viennaPairTable = fromAssocs (Z:.N:.N) (Z:.U:.U) NS+  [ (Z:.C:.G , CG)+  , (Z:.G:.C , GC)+  , (Z:.G:.U , GU)+  , (Z:.U:.G , UG)+  , (Z:.A:.U , AU)+  , (Z:.U:.A , UA)   ] {-# NOINLINE viennaPairTable #-} @@ -131,14 +185,8 @@   {-# INLINE fromEnum #-}  instance Bounded ViennaPair where-  minBound = vpNP-  maxBound = vpNS--instance Bounds ViennaPair where-  minNormal = vpCG-  maxNormal = vpUA-  minExtended = vpNP-  maxExtended = vpNS+  minBound = NP+  maxBound = NS  instance Show ViennaPair where   show x@@ -159,23 +207,23 @@ -- | reverse a vienna pair  revPair :: ViennaPair -> ViennaPair-revPair p-  | p==vpCG = vpGC-  | p==vpGC = vpCG-  | p==vpGU = vpUG-  | p==vpUG = vpGU-  | p==vpAU = vpUA-  | p==vpUA = vpAU-  | p==vpNP = vpNP-  | p==vpNS = vpNS+revPair = \case+  CG -> GC+  GC -> CG+  GU -> UG+  UG -> GU+  AU -> UA+  UA -> AU+  NP -> NP+  NS -> NS    -- * Convenience structures -cguaP = [vpCG..vpUA]-cgnsP = [vpCG..vpNS]-pairToString = [(vpCG,"CG"),(vpGC,"GC"),(vpUA,"UA"),(vpAU,"AU"),(vpGU,"GU"),(vpUG,"UG"),(vpNS,"NS"),(vpNP,"NP")]+cguaP = [CG .. UA]+cgnsP = [CG .. NS]+pairToString = [(CG,"CG"),(GC,"GC"),(UA,"UA"),(AU,"AU"),(GU,"GU"),(UG,"UG"),(NS,"NS"),(NP,"NP")]  derivingUnbox "ViennaPair"   [t| ViennaPair -> Int |] [| unViennaPair |] [| ViennaPair |]
BiobaseXNA.cabal view
@@ -1,16 +1,16 @@ name:           BiobaseXNA-version:        0.8.3.0+version:        0.9.1.0 author:         Christian Hoener zu Siederdissen-maintainer:     choener@tbi.univie.ac.at-homepage:       http://www.tbi.univie.ac.at/~choener/-copyright:      Christian Hoener zu Siederdissen, 2011-2014+maintainer:     choener@bioinf.uni-leipzig.de+homepage:       http://www.bioinf.uni-leipzig.de/~choener/+copyright:      Christian Hoener zu Siederdissen, 2011 - 2015 category:       Bioinformatics synopsis:       Efficient RNA/DNA representations license:        GPL-3 license-file:   LICENSE build-type:     Simple stability:      experimental-cabal-version:  >= 1.6.0+cabal-version:  >= 1.10.0 description:                 This is a base library for bioinformatics with emphasis on RNA                 and DNA primary structure as well as amino acid sequences.@@ -35,45 +35,88 @@   sources/isostericity-matrices.csv   sources/isostericity-detailed.csv   sources/iupac-nucleotides-  changelog+  sources/codontable+  changelog.md  library-  build-depends:-    base >3 && <5,-    bytestring      >= 0.10           ,-    containers      >= 0.4            ,-    csv             >= 0.1.2          ,-    file-embed      >= 0.0.4.7        ,-    mtl             >= 2.1            ,-    primitive       >= 0.5            ,-    PrimitiveArray  >= 0.5.4          ,-    repa            >= 3.2            ,-    text            >= 0.11           ,-    tuple           >= 0.2            ,-    vector          >= 0.10           ,-    vector-th-unbox >= 0.2+  build-depends: base                    >= 4.7       && < 4.9+               , aeson                   == 0.8.*+               , bimaps                  == 0.0.0.*+               , binary                  == 0.7.*+               , bytes                   == 0.15.*+               , bytestring              == 0.10.*+               , cereal                  == 0.4.*+               , cereal-vector           == 0.2.*+               , containers              == 0.5.*+               , csv                     == 0.1.*+               , file-embed              == 0.0.8.*+               , hashable                == 1.2.*+               , lens                    == 4.*+               , primitive               >= 0.5       && < 0.7+               , PrimitiveArray          == 0.6.*+               , split                   == 0.2.*+               , text                    == 1.*+               , tuple                   == 0.3.*+               , vector                  == 0.10.*+               , vector-binary-instances == 0.2.*+               , vector-th-unbox         == 0.2.*    exposed-modules:-    Biobase.AAseq     Biobase.Primary-    Biobase.Primary.Bounds+    Biobase.Primary.AA     Biobase.Primary.Hashed     Biobase.Primary.IUPAC+    Biobase.Primary.Letter+    Biobase.Primary.Nuc+    Biobase.Primary.Nuc.Conversion+    Biobase.Primary.Nuc.DNA+    Biobase.Primary.Nuc.RNA+    Biobase.Primary.Nuc.XNA+    Biobase.Primary.Trans     Biobase.Secondary+    Biobase.Secondary.Basepair     Biobase.Secondary.Constraint     Biobase.Secondary.Diagrams     Biobase.Secondary.Isostericity-    Biobase.Secondary.PseudoKnots+    Biobase.Secondary.Pseudoknots+    Biobase.Secondary.Structure     Biobase.Secondary.Vienna +  default-extensions: BangPatterns+                    , DeriveGeneric+                    , EmptyDataDecls+                    , FlexibleContexts+                    , FlexibleInstances+                    , GeneralizedNewtypeDeriving+                    , LambdaCase+                    , MultiParamTypeClasses+                    , PatternSynonyms+                    , ScopedTypeVariables+                    , TemplateHaskell+                    , TypeFamilies+                    , TypeOperators+                    , UndecidableInstances+                    , ViewPatterns++  default-language: Haskell2010+   ghc-options:     -O2 -funbox-strict-fields  executable SubOptDistance-  build-depends:-    cmdargs >= 0.10+  build-depends:  base+               ,  cmdargs == 0.10.*+               ,  BiobaseXNA   main-is:     SubOptDistance.hs+  hs-source-dirs:+    src+  default-language:+    Haskell2010+  default-extensions: DeriveDataTypeable+                    , NoMonomorphismRestriction+                    , RecordWildCards+                    , ScopedTypeVariables   ghc-options:     -O2 
− SubOptDistance.hs
@@ -1,53 +0,0 @@-{-# LANGUAGE ScopedTypeVariables #-}-{-# LANGUAGE DeriveDataTypeable #-}-{-# LANGUAGE RecordWildCards #-}-{-# LANGUAGE NoMonomorphismRestriction #-}--module Main where--import Control.Arrow-import Data.Char (isSpace)-import Data.Either (either)-import Data.List-import Data.Ord-import System.Console.CmdArgs-import Text.Printf--import Biobase.Secondary-import Biobase.Secondary.Diagrams----data Options = Options-  { structure :: String-  , aq :: Bool-  , qa :: Bool-  } deriving (Show,Data,Typeable)--options = Options-  { structure = "" &= args-  , aq = True &= help "perform target \\\\ query calculation"-  , qa = True &= help "perform query \\\\ target calculation"-  } &= help helpLines--helpLines = unlines-  [ "This program reads a bunch of RNAsubopt lines on STDIN. Provide an"-  , "additional structure as the argument line. The result will be the"-  , "sub-optimal line with lowest base pair distance to the query line."-  ]--main = do-  Options{..} <- cmdArgs options-  (sqn:xs') <- fmap lines $ getContents-  let xs = map (\(s,e) -> (s,either error id $ dotBracket ["()"] s,read e)) $ map (break isSpace) xs'-  let q = either error id $ dotBracket ["()"] structure-  let (d,x,e) = getMinimalDistance aq qa q xs-  let distance :: Double = e - ((/100) . read $ words sqn !! 1)-  printf "%4d %s %8.2f %8.2f\n" d x e distance--getMinimalDistance :: Bool -> Bool -> [PairIdx] -> [(String,[PairIdx],Double)] -> (Int,String,Double)-getMinimalDistance aq qa q xs = g $ minimumBy (comparing f) xs where-  g (a,b,c) = ( fst $ f (a,b,c) , a, c)-  f (_,a,e) = (length $ aqs ++ qas , e) where-    aqs = if aq then a \\ q else []-    qas = if qa then q \\ a else []
− changelog
@@ -1,37 +0,0 @@-0.8.3.0----------- bugfix version: use vector-th-unbox to generate unboxed vector instances--0.8.2.0----------- dotBracket -> unsafeDotBracket-- new 'dotBracket' function works in the error monad--0.8.1.1----------- added T/U conversion functions--0.8.1.0----------- Biobase.Primary.IUPAC for degenerate base symbol conversion--0.8.0.0----------- Biobase.Codon -> Biobase.AAseq-- and efficient encoding of AAseqs--0.7------- updated to PrimitiveArray >= 0.5-- added Codon table--0.6.2.0----------- Updated to PrimitiveArray >= 0.2.0.0
+ changelog.md view
@@ -0,0 +1,58 @@+0.9.1.0+-------++- introduction of pattern synonyms for letters in molecular alphabets+- travis-ci integration++0.9.0.0+-------++- major cleanup of the XNA library: explicit encoding of RNA,DNA, or XNA (XNA+  contains both U and T)+- IUPAC notation (degenerate nucleotides) has an efficient encoding as well+- translation between XNA and protein (Biobase.Primary.Trans)+- import Biobase.Primary to get everything under Primary.*+- import Biobase.Secondary to get everything under Secondary.*+- SubOptDistance now extends all structure lines of RNAsubopt with a third+  field, the distance+- Diagrams provide methods to validate folding and cofolding secondary+  structure strings.+- serialization capabilities for 'Letter's++0.8.3.0+-------++- bugfix version: use vector-th-unbox to generate unboxed vector instances++0.8.2.0+-------++- dotBracket -> unsafeDotBracket+- new 'dotBracket' function works in the error monad++0.8.1.1+-------++- added T/U conversion functions++0.8.1.0+-------++- Biobase.Primary.IUPAC for degenerate base symbol conversion++0.8.0.0+-------++- Biobase.Codon -> Biobase.AAseq+- and efficient encoding of AAseqs++0.7+---++- updated to PrimitiveArray >= 0.5+- added Codon table++0.6.2.0+-------++- Updated to PrimitiveArray >= 0.2.0.0
+ sources/codontable view
@@ -0,0 +1,64 @@+AAA  K+AAC  N+AAG  K+AAT  N+ACA  T+ACC  T+ACG  T+ACT  T+AGA  R+AGC  S+AGG  R+AGT  S+ATA  I+ATC  I+ATG  M+ATT  I+CAA  Q+CAC  H+CAG  Q+CAT  H+CCA  P+CCC  P+CCG  P+CCT  P+CGA  R+CGC  R+CGG  R+CGT  R+CTA  L+CTC  L+CTG  L+CTT  L+GAA  E+GAC  D+GAG  E+GAT  D+GCA  A+GCC  A+GCG  A+GCT  A+GGA  G+GGC  G+GGG  G+GGT  G+GTA  V+GTC  V+GTG  V+GTT  V+TAA  *+TAC  Y+TAG  *+TAT  Y+TCA  S+TCC  S+TCG  S+TCT  S+TGA  *+TGC  C+TGG  W+TGT  C+TTA  L+TTC  F+TTG  L+TTT  F
+ src/SubOptDistance.hs view
@@ -0,0 +1,45 @@++-- | A very simple program that calculates base pair distances given+-- a secondary structure as argument and a Vienna RNAsubopt output via+-- stdin.++module Main where++import Control.Arrow+import Data.Char (isSpace)+import Data.Either (either)+import Data.Ord+import System.Console.CmdArgs+import Text.Printf++import Biobase.Secondary+import Biobase.Secondary.Diagrams++++data Options = Options+  { structure :: String+  , aq :: Bool+  , qa :: Bool+  } deriving (Show,Data,Typeable)++options = Options+  { structure = "" &= args+  , aq = True &= help "perform target \\\\ query calculation"+  , qa = True &= help "perform query \\\\ target calculation"+  } &= help helpLines++helpLines = unlines+  [ "This program reads RNAsubopt output on STDIN. Provide an"+  , "additional structure as the argument line. The result will be the"+  , "sub-optimal line with lowest base pair distance to the query line."+  ]++main = do+  Options{..} <- cmdArgs options+  (sqn:xs') <- fmap lines $ getContents+  putStrLn sqn+  let s' = fst . break isSpace $ structure+  let xs = map (viennaStringDistance aq qa s') xs'+  mapM_ (\(s,d) -> printf "%s %6d\n" s d) xs+