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--- Provides type-based combinators to construct XML converters. --- Arbitrary XML data can be represented as algebraic datatypes and vice versa. --- See <a href="http://www-ps.informatik.uni-kiel.de/~sebf/projects/xmlconv/"> --- here</a> for a description of this library. --- --- @author Sebastian Fischer (with changes by Michael Hanus) --- @version February 2015 {-# OPTIONS_CYMAKE -Wno-incomplete-patterns -Wno-overlapping #-} module XmlConv ( -- converter types XElemConv, XAttrConv, XPrimConv, XOptConv, XRepConv, -- Reads and Shows types for XML trees XmlReads, XmlShows, -- read and show functions xmlRead, xmlShow, xmlReads, xmlShows, -- converter for primitive values int, float, char, string, -- combinators for complex XML data (!), element, empty, attr, adapt, opt, rep, -- attribute converter for primitive values and booleans aInt, aFloat, aChar, aString, aBool, -- element converter eInt, eFloat, eChar, eString, eBool, eEmpty, eOpt, eRep, -- converter for sequences seq1, seq2, seq3, seq4, seq5, seq6, -- converter for repeated sequences repSeq1, repSeq2, repSeq3, repSeq4, repSeq5, repSeq6, -- element converter for sequences eSeq1, eSeq2, eSeq3, eSeq4, eSeq5, eSeq6, -- element converter for repeated sequences eRepSeq1, eRepSeq2, eRepSeq3, eRepSeq4, eRepSeq5, eRepSeq6 ) where import XML import Read ( readInt ) import ReadShowTerm ( readQTerm ) infixr 0 ! infixl 1 />= --- Phantom type for XML data that may be part of a repetition data Repeatable = Repeatable --- Phantom type for XML data that must not be part of a repetition data NotRepeatable = NotRepeatable --- Phantom type for single elements data Elem = Elem --- Phantom type for primitive values, multiple elements and/or attributes data NoElem = NoElem type Attrs = [(String,String)] type Childs = (Attrs,[XmlExp]) --- Type of functions that consume some XML data to compute a result type XmlReads a = Childs -> (a,Childs) --- Type of functions that extend XML data corresponding to a given value type XmlShows a = a -> Childs -> Childs data XmlConv _ _ a = Conv (XmlReads a) (XmlShows a) type ValConv a = (String -> a,a -> String) --- Type of converters for XML elements type XElemConv a = XmlConv Repeatable Elem a --- Type of converters for attributes type XAttrConv a = XmlConv NotRepeatable NoElem a --- Type of converters for primitive values type XPrimConv a = XmlConv NotRepeatable NoElem a --- Type of converters for optional values type XOptConv a = XmlConv NotRepeatable NoElem a --- Type of converters for repetitions type XRepConv a = XmlConv NotRepeatable NoElem a --- Type of converters for sequences type XSeqConv a = XmlConv NotRepeatable NoElem a -- Monadic bind for XML parser (/>=) :: XmlReads a -> (a -> XmlReads b) -> XmlReads b rd />= f = \childs -> case rd childs of (a,childs') -> f a childs' -- Monadic return for XML parser ret :: a -> XmlReads a ret x y = (x,y) --- Takes an XML converter and returns a function that consumes XML data --- and returns the remaining data along with the result. --- --- @param conv XML converter --- @return XmlReads function xmlReads :: XmlConv _ _ a -> XmlReads a xmlReads (Conv rd _) = rd --- Takes an XML converter and returns a function that extends XML data --- with the representation of a given value. --- --- @param conv XML converter --- @return XmlShows function xmlShows :: XmlConv _ _ a -> XmlShows a xmlShows (Conv _ sh) = sh --- Takes an XML converter and an XML expression and returns a --- corresponding Curry value. --- --- @param conv XML converter --- @return XML read function xmlRead :: XmlConv _ Elem a -> XmlExp -> a xmlRead xa x = a where (a,([],[])) = xmlReads xa ([],[x]) --- Takes an XML converter and a value and returns a corresponding --- XML expression. --- --- @param conv XML converter --- @return XML show function xmlShow :: XmlConv _ Elem a -> a -> XmlExp xmlShow xa a = x where ([],[x]) = xmlShows xa a ([],[]) int_ :: ValConv Int int_ = (readInt,show) float_ :: ValConv Float float_ = (readQTerm,show) char_ :: ValConv Char char_ = (head,(:[])) string_ :: ValConv String string_ = (id,id) bool_ :: String -> String -> ValConv Bool bool_ true false = (readBool,showBool) where fromJust (Just x) = x readBool s = fromJust (lookup s [(true,True),(false,False)]) showBool b = if b then true else false val_ :: ValConv a -> XPrimConv a val_ (rda,sha) = Conv rd sh where rd childs = (rda a,(attrs,elems)) where (attrs,XText a : elems) = childs sh a childs = (attrs,XText (sha a) : elems) where (attrs,elems) = childs --- Creates an XML converter for integer values. Integer values must not be --- used in repetitions and do not represent XML elements. --- --- @return Int converter int :: XPrimConv Int int = val_ int_ --- Creates an XML converter for float values. Float values must not be --- used in repetitions and do not represent XML elements. --- --- @return Float converter float :: XPrimConv Float float = val_ float_ --- Creates an XML converter for character values. Character values must not be --- used in repetitions and do not represent XML elements. --- --- @return Char converter char :: XPrimConv Char char = val_ char_ --- Creates an XML converter for string values. String values must not be --- used in repetitions and do not represent XML elements. --- --- @return String converter string :: XPrimConv String string = Conv rd sh where rd childs = ("",childs) ? case elems of XText s : elems' -> (s,(attrs,elems')) where (attrs,elems) = childs sh "" childs = childs sh s@(_:_) childs = (attrs,XText s : elems) where (attrs,elems) = childs --- Parallel composition of XML converters. --- --- @return Nondeterministic choice of XML converters (!) :: XmlConv rep elem a -> XmlConv rep elem a -> XmlConv rep elem a (Conv rd1 sh1) ! (Conv rd2 sh2) = Conv rd sh where rd childs = rd1 childs ? rd2 childs sh x = sh1 x ? sh2 x --- Takes an arbitrary XML converter and returns a converter representing --- an XML element that contains the corresponding data. XML elements may be --- used in repetitions. --- --- @param name Tag name of the XML element --- @param conv XML converter for the childs of the XML element --- @return XML converter representing an XML element element :: String -> XmlConv _ _ a -> XElemConv a element name xa = Conv rd sh where rd childs | myName==name = case xmlReads xa (myAttrs,myElems) of (a,([],[])) -> (a,(attrs,elems)) where (attrs,XElem myName myAttrs myElems : elems) = childs sh a childs = case xmlShows xa a ([],[]) of (myAttrs,myElems) -> (attrs,XElem name myAttrs myElems : elems) where (attrs,elems) = childs --- Takes a value and returns an XML converter for this value which is not --- represented as XML data. Empty XML data must not be used in repetitions --- and does not represent an XML element. --- --- @param val Value without an XML representation --- @return Empty XML converter empty :: a -> XPrimConv a empty val = Conv rd sh where rd = ret val sh v childs | v=:=val = childs --- Takes a name and string conversion functions and returns an XML converter --- that represents an attribute. Attributes must not be used in repetitions --- and do not represent an XML element. --- --- @param name Attribute name --- @param readShow functions that convert between values and strings --- @return Attribute converter attr :: String -> ValConv a -> XAttrConv a attr name (rda,sha) = Conv rd sh where rd childs = (rda value,(attrs',elems)) where (attrs,elems) = childs ((_,value),attrs') = exposeBy ((name==) . fst) attrs sh a childs = ((name,sha a) : attrs,elems) where (attrs,elems) = childs -- Fetch a list element that satisfies a given predicate. exposeBy :: (a -> Bool) -> [a] -> (a,[a]) exposeBy p (x:xs) = if p x then (x,xs) else (y,x:ys) where (y,ys) = exposeBy p xs --- Converts between arbitrary XML converters for different types. --- --- @param a2b_b2a functions that convert between values of types a and b --- @param conv XML converter for type a --- @return XML converter for type b adapt :: (a -> b,b -> a) -> XmlConv rep e a -> XmlConv rep e b adapt (a2b,b2a) (Conv rda sha) = Conv rd sh where rd = rda />= ret . a2b sh = sha . b2a --- Creates a converter for arbitrary optional XML data. Optional XML data --- must not be used in repetitions and does not represent an XML element. --- --- @param conv XML converter --- @return XML converter for optional data represented by the given converter opt :: XmlConv _ _ a -> XOptConv (Maybe a) opt xa = Conv rd sh where rd childs = ret Nothing childs ? (xmlReads xa />= ret . Just) childs sh Nothing = id sh (Just a) = xmlShows xa a --- Takes an XML converter representing repeatable data and returns an --- XML converter that represents repetitions of this data. Repetitions --- must not be used in other repetitions and do not represent XML elements. --- --- @param conv XML converter representing repeatable data --- @return XML converter representing repetitions rep :: XmlConv Repeatable _ a -> XRepConv [a] rep xa = Conv rd sh where rd childs = ret [] childs ? ( xmlReads xa />= \x -> rd />= \xs -> ret (x:xs)) childs sh = foldr (.) id . map (xmlShows xa) --- Creates an XML converter for integer attributes. Integer attributes --- must not be used in repetitions and do not represent XML elements. --- --- @param name Attribute name --- @return Int attribute converter aInt :: String -> XAttrConv Int aInt name = attr name int_ --- Creates an XML converter for float attributes. Float attributes --- must not be used in repetitions and do not represent XML elements. --- --- @param name Attribute name --- @return Float attribute converter aFloat :: String -> XAttrConv Float aFloat name = attr name float_ --- Creates an XML converter for character attributes. Character attributes --- must not be used in repetitions and do not represent XML elements. --- --- @param name Attribute name --- @return Char attribute converter aChar :: String -> XAttrConv Char aChar name = attr name char_ --- Creates an XML converter for string attributes. String attributes --- must not be used in repetitions and do not represent XML elements. --- --- @param name Attribute name --- @return String attribute converter aString :: String -> XAttrConv String aString name = attr name string_ --- Creates an XML converter for boolean attributes. Boolean attributes --- must not be used in repetitions and do not represent XML elements. --- --- @param name Attribute name --- @param true String representing True --- @param false String representing False --- @return Bool attribute converter aBool :: String -> String -> String -> XAttrConv Bool aBool name true false = attr name (bool_ true false) --- Creates an XML converter for integer elements. Integer elements may be --- used in repetitions. --- --- @param name Tag name of the XML element containing the integer value --- @return Int element converter eInt :: String -> XElemConv Int eInt name = element name int --- Creates an XML converter for float elements. Float elements may be --- used in repetitions. --- --- @param name Tag name of the XML element containing the float value --- @return Float element converter eFloat :: String -> XElemConv Float eFloat name = element name float --- Creates an XML converter for character elements. Character elements may be --- used in repetitions. --- --- @param name Tag name of the XML element containing the character value --- @return Char element converter eChar :: String -> XElemConv Char eChar name = element name char --- Creates an XML converter for string elements. String elements may be --- used in repetitions. --- --- @param name Tag name of the XML element containing the string value --- @return String element converter eString :: String -> XElemConv String eString name = element name string --- Creates an XML converter for boolean elements. Boolean elements may be --- used in repetitions. --- --- @param true Tag name of the XML element representing True --- @param false Tag name of the XML element representing False --- @return Bool element converter eBool :: String -> String -> XElemConv Bool eBool true false = eEmpty true True ! eEmpty false False --- Takes a name and a value and creates an empty XML element that represents --- the given value. The created element may be used in repetitions. --- --- @param name Tag name of the empty element --- @param val Value represented by the empty element --- @return XML converter representing an empty XML element eEmpty :: String -> a -> XElemConv a eEmpty name a = element name (empty a) --- Creates an XML converter that represents an element containing --- optional XML data. The created element may be used in repetitions. --- --- @param name Tag name of the element containing optional XML data --- @return XML converter for an element enclosing optional XML data eOpt :: String -> XmlConv _ _ a -> XElemConv (Maybe a) eOpt name xa = element name (opt xa) --- Creates an XML converter that represents an element containing --- repeated XML data. The created element may be used in repetitions. --- --- @param name Tag name of the element containing repeated XML data --- @return XML converter for an element enclosing repeated XML data eRep :: String -> XmlConv Repeatable _ a -> XElemConv [a] eRep name xa = element name (rep xa) --- Creates an XML converter representing a sequence of arbitrary XML data. --- The sequence must not be used in repetitions and does not represent an --- XML element. --- --- @param f Invertable function (constructor) that combines the sequence --- @param conv(s) XML converter for the data contained in the sequence --- @return XML converter representing a sequence seq1 :: (a -> b) -> XmlConv rep _ a -> XmlConv rep NoElem b seq1 cons xa = Conv rd sh where rd = xmlReads xa />= ret . cons sh arg | cons a =:<= arg = xmlShows xa a where a free --- Creates an XML converter that represents a repetition of a sequence --- of repeatable XML data. The repetition may be used in other --- repetitions but does not represent an XML element. This combinator is --- provided because converters for repeatable sequences cannot be --- constructed by the seq combinators. --- --- @param f Invertable function (constructor) that combines the sequence --- @param conv(s) XML converter for the data contained in the sequence --- @return XML converter representing a repetition of a sequence repSeq1 :: (a -> b) -> XmlConv Repeatable _ a -> XRepConv [b] repSeq1 cons xa = rep (seq1 cons xa) --- Creates an XML converter for compound values represented as an --- XML element with children that correspond to the values components. --- The element can be used in repetitions. --- --- @param name Tag name of the element --- @param cons constructor of the compound value --- @param conv(s) XML converter for the components --- @return XML element converter for a compound value eSeq1 :: String -> (a -> b) -> XmlConv _ _ a -> XElemConv b eSeq1 name cons xa = element name (seq1 cons xa) --- Creates an XML converter for repetitions of sequences represented as an --- XML element that can be used in repetitions. --- --- @param name Tag name of the element --- @param cons constructor of the sequence --- @param conv(s) XML converter for the components --- @return XML element converter for a repeated sequence eRepSeq1 :: String -> (a -> b) -> XmlConv Repeatable _ a -> XElemConv [b] eRepSeq1 name cons xa = element name (repSeq1 cons xa) seq2_ :: (a -> b -> c) -> XmlConv _ _ a -> XmlConv _ _ b -> XmlConv _ NoElem c seq2_ cons xa xb = Conv rd sh where rd = xmlReads xa />= \a -> xmlReads xb />= \b -> ret (cons a b) sh arg | cons a b =:<= arg = xmlShows xa a . xmlShows xb b where a,b free --- Creates an XML converter representing a sequence of arbitrary XML data. --- The sequence must not be used in repetitions and does not represent an --- XML element. --- --- @param f Invertable function (constructor) that combines the sequence --- @param conv(s) XML converter for the data contained in the sequence --- @return XML converter representing a sequence seq2 :: (a -> b -> c) -> XmlConv _ _ a -> XmlConv _ _ b -> XSeqConv c seq2 = seq2_ --- Creates an XML converter that represents a repetition of a sequence --- of repeatable XML data. The repetition may be used in other --- repetitions and does not represent an XML element. This combinator is --- provided because converters for repeatable sequences cannot be --- constructed by the seq combinators. --- --- @param f Invertable function (constructor) that combines the sequence --- @param conv(s) XML converter for the data contained in the sequence --- @return XML converter representing a repetition of a sequence repSeq2 :: (a -> b -> c) -> XmlConv Repeatable _ a -> XmlConv Repeatable _ b -> XRepConv [c] repSeq2 cons xa xb = rep (seq2_ cons xa xb) --- Creates an XML converter for compound values represented as an --- XML element with children that correspond to the values components. --- The element can be used in repetitions. --- --- @param name Tag name of the element --- @param cons constructor of the compound value --- @param conv(s) XML converter for the components --- @return XML element converter for a compound value eSeq2 :: String -> (a -> b -> c) -> XmlConv _ _ a -> XmlConv _ _ b -> XElemConv c eSeq2 name cons xa xb = element name (seq2 cons xa xb) --- Creates an XML converter for repetitions of sequences represented as an --- XML element that can be used in repetitions. --- --- @param name Tag name of the element --- @param cons constructor of the sequence --- @param conv(s) XML converter for the components --- @return XML element converter for a repeated sequence eRepSeq2 :: String -> (a -> b -> c) -> XmlConv Repeatable _ a -> XmlConv Repeatable _ b -> XElemConv [c] eRepSeq2 name cons xa xb = element name (repSeq2 cons xa xb) seq3_ :: (a -> b -> c -> d) -> XmlConv _ _ a -> XmlConv _ _ b -> XmlConv _ _ c -> XmlConv _ NoElem d seq3_ cons xa xb xc = Conv rd sh where rd = xmlReads xa />= \a -> xmlReads xb />= \b -> xmlReads xc />= \c -> ret (cons a b c) sh arg | (cons a b c) =:<= arg = xmlShows xa a . xmlShows xb b . xmlShows xc c where a,b,c free --- Creates an XML converter representing a sequence of arbitrary XML data. --- The sequence must not be used in repetitions and does not represent an --- XML element. --- --- @param f Invertable function (constructor) that combines the sequence --- @param conv(s) XML converter for the data contained in the sequence --- @return XML converter representing a sequence seq3 :: (a -> b -> c -> d) -> XmlConv _ _ a -> XmlConv _ _ b -> XmlConv _ _ c -> XSeqConv d seq3 = seq3_ --- Creates an XML converter that represents a repetition of a sequence --- of repeatable XML data. The repetition may be used in other --- repetitions and does not represent an XML element. This combinator is --- provided because converters for repeatable sequences cannot be --- constructed by the seq combinators. --- --- @param f Invertable function (constructor) that combines the sequence --- @param conv(s) XML converter for the data contained in the sequence --- @return XML converter representing a repetition of a sequence repSeq3 :: (a -> b -> c -> d) -> XmlConv Repeatable _ a -> XmlConv Repeatable _ b -> XmlConv Repeatable _ c -> XRepConv [d] repSeq3 cons xa xb xc = rep (seq3_ cons xa xb xc) --- Creates an XML converter for compound values represented as an --- XML element with children that correspond to the values components. --- The element can be used in repetitions. --- --- @param name Tag name of the element --- @param cons constructor of the compound value --- @param conv(s) XML converter for the components --- @return XML element converter for a compound value eSeq3 :: String -> (a -> b -> c -> d) -> XmlConv _ _ a -> XmlConv _ _ b -> XmlConv _ _ c -> XElemConv d eSeq3 name cons xa xb xc = element name (seq3 cons xa xb xc) --- Creates an XML converter for repetitions of sequences represented as an --- XML element that can be used in repetitions. --- --- @param name Tag name of the element --- @param cons constructor of the sequence --- @param conv(s) XML converter for the components --- @return XML element converter for a repeated sequence eRepSeq3 :: String -> (a -> b -> c -> d) -> XmlConv Repeatable _ a -> XmlConv Repeatable _ b -> XmlConv Repeatable _ c -> XElemConv [d] eRepSeq3 name cons xa xb xc = element name (repSeq3 cons xa xb xc) seq4_ :: (a -> b -> c -> d -> e) -> XmlConv _ _ a -> XmlConv _ _ b -> XmlConv _ _ c -> XmlConv _ _ d -> XmlConv _ NoElem e seq4_ cons xa xb xc xd = Conv rd sh where rd = xmlReads xa />= \a -> xmlReads xb />= \b -> xmlReads xc />= \c -> xmlReads xd />= \d -> ret (cons a b c d) sh arg | (cons a b c d) =:<= arg = xmlShows xa a . xmlShows xb b . xmlShows xc c . xmlShows xd d where a,b,c,d free --- Creates an XML converter representing a sequence of arbitrary XML data. --- The sequence must not be used in repetitions and does not represent an --- XML element. --- --- @param f Invertable function (constructor) that combines the sequence --- @param conv(s) XML converter for the data contained in the sequence --- @return XML converter representing a sequence seq4 :: (a -> b -> c -> d -> e) -> XmlConv _ _ a -> XmlConv _ _ b -> XmlConv _ _ c -> XmlConv _ _ d -> XSeqConv e seq4 = seq4_ --- Creates an XML converter that represents a repetition of a sequence --- of repeatable XML data. The repetition may be used in other --- repetitions and does not represent an XML element. This combinator is --- provided because converters for repeatable sequences cannot be --- constructed by the seq combinators. --- --- @param f Invertable function (constructor) that combines the sequence --- @param conv(s) XML converter for the data contained in the sequence --- @return XML converter representing a repetition of a sequence repSeq4 :: (a -> b -> c -> d -> e) -> XmlConv Repeatable _ a -> XmlConv Repeatable _ b -> XmlConv Repeatable _ c -> XmlConv Repeatable _ d -> XRepConv [e] repSeq4 cons xa xb xc xd = rep (seq4_ cons xa xb xc xd) --- Creates an XML converter for compound values represented as an --- XML element with children that correspond to the values components. --- The element can be used in repetitions. --- --- @param name Tag name of the element --- @param cons constructor of the compound value --- @param conv(s) XML converter for the components --- @return XML element converter for a compound value eSeq4 :: String -> (a -> b -> c -> d -> e) -> XmlConv _ _ a -> XmlConv _ _ b -> XmlConv _ _ c -> XmlConv _ _ d -> XElemConv e eSeq4 name cons xa xb xc xd = element name (seq4 cons xa xb xc xd) --- Creates an XML converter for repetitions of sequences represented as an --- XML element that can be used in repetitions. --- --- @param name Tag name of the element --- @param cons constructor of the sequence --- @param conv(s) XML converter for the components --- @return XML element converter for a repeated sequence eRepSeq4 :: String -> (a -> b -> c -> d -> e) -> XmlConv Repeatable _ a -> XmlConv Repeatable _ b -> XmlConv Repeatable _ c -> XmlConv Repeatable _ d -> XElemConv [e] eRepSeq4 name cons xa xb xc xd = element name (repSeq4 cons xa xb xc xd) seq5_ :: (a -> b -> c -> d -> e -> f) -> XmlConv _ _ a -> XmlConv _ _ b -> XmlConv _ _ c -> XmlConv _ _ d -> XmlConv _ _ e -> XmlConv _ NoElem f seq5_ cons xa xb xc xd xe = Conv rd sh where rd = xmlReads xa />= \a -> xmlReads xb />= \b -> xmlReads xc />= \c -> xmlReads xd />= \d -> xmlReads xe />= \e -> ret (cons a b c d e) sh arg | (cons a b c d e) =:<= arg = xmlShows xa a . xmlShows xb b . xmlShows xc c . xmlShows xd d . xmlShows xe e where a,b,c,d,e free --- Creates an XML converter representing a sequence of arbitrary XML data. --- The sequence must not be used in repetitions and does not represent an --- XML element. --- --- @param f Invertable function (constructor) that combines the sequence --- @param conv(s) XML converter for the data contained in the sequence --- @return XML converter representing a sequence seq5 :: (a -> b -> c -> d -> e -> f) -> XmlConv _ _ a -> XmlConv _ _ b -> XmlConv _ _ c -> XmlConv _ _ d -> XmlConv _ _ e -> XSeqConv f seq5 = seq5_ --- Creates an XML converter that represents a repetition of a sequence --- of repeatable XML data. The repetition may be used in other --- repetitions and does not represent an XML element. This combinator is --- provided because converters for repeatable sequences cannot be --- constructed by the seq combinators. --- --- @param f Invertable function (constructor) that combines the sequence --- @param conv(s) XML converter for the data contained in the sequence --- @return XML converter representing a repetition of a sequence repSeq5 :: (a -> b -> c -> d -> e -> f) -> XmlConv Repeatable _ a -> XmlConv Repeatable _ b -> XmlConv Repeatable _ c -> XmlConv Repeatable _ d -> XmlConv Repeatable _ e -> XRepConv [f] repSeq5 cons xa xb xc xd xe = rep (seq5_ cons xa xb xc xd xe) --- Creates an XML converter for compound values represented as an --- XML element with children that correspond to the values components. --- The element can be used in repetitions. --- --- @param name Tag name of the element --- @param cons constructor of the compound value --- @param conv(s) XML converter for the components --- @return XML element converter for a compound value eSeq5 :: String -> (a -> b -> c -> d -> e -> f) -> XmlConv _ _ a -> XmlConv _ _ b -> XmlConv _ _ c -> XmlConv _ _ d -> XmlConv _ _ e -> XElemConv f eSeq5 name cons xa xb xc xd xe = element name (seq5 cons xa xb xc xd xe) --- Creates an XML converter for repetitions of sequences represented as an --- XML element that can be used in repetitions. --- --- @param name Tag name of the element --- @param cons constructor of the sequence --- @param conv(s) XML converter for the components --- @return XML element converter for a repeated sequence eRepSeq5 :: String -> (a -> b -> c -> d -> e -> f) -> XmlConv Repeatable _ a -> XmlConv Repeatable _ b -> XmlConv Repeatable _ c -> XmlConv Repeatable _ d -> XmlConv Repeatable _ e -> XElemConv [f] eRepSeq5 name cons xa xb xc xd xe = element name (repSeq5 cons xa xb xc xd xe) seq6_ :: (a -> b -> c -> d -> e -> f -> g) -> XmlConv _ _ a -> XmlConv _ _ b -> XmlConv _ _ c -> XmlConv _ _ d -> XmlConv _ _ e -> XmlConv _ _ f -> XmlConv _ NoElem g seq6_ cons xa xb xc xd xe xf = Conv rd sh where rd = xmlReads xa />= \a -> xmlReads xb />= \b -> xmlReads xc />= \c -> xmlReads xd />= \d -> xmlReads xe />= \e -> xmlReads xf />= \f -> ret (cons a b c d e f) sh arg | (cons a b c d e f) =:<= arg = xmlShows xa a . xmlShows xb b . xmlShows xc c . xmlShows xd d . xmlShows xe e . xmlShows xf f where a,b,c,d,e,f free --- Creates an XML converter representing a sequence of arbitrary XML data. --- The sequence must not be used in repetitions and does not represent an --- XML element. --- --- @param f Invertable function (constructor) that combines the sequence --- @param conv(s) XML converter for the data contained in the sequence --- @return XML converter representing a sequence seq6 :: (a -> b -> c -> d -> e -> f -> g) -> XmlConv _ _ a -> XmlConv _ _ b -> XmlConv _ _ c -> XmlConv _ _ d -> XmlConv _ _ e -> XmlConv _ _ f -> XSeqConv g seq6 = seq6_ --- Creates an XML converter that represents a repetition of a sequence --- of repeatable XML data. The repetition may be used in other --- repetitions and does not represent an XML element. This combinator is --- provided because converters for repeatable sequences cannot be --- constructed by the seq combinators. --- --- @param f Invertable function (constructor) that combines the sequence --- @param conv(s) XML converter for the data contained in the sequence --- @return XML converter representing a repetition of a sequence repSeq6 :: (a -> b -> c -> d -> e -> f -> g) -> XmlConv Repeatable _ a -> XmlConv Repeatable _ b -> XmlConv Repeatable _ c -> XmlConv Repeatable _ d -> XmlConv Repeatable _ e -> XmlConv Repeatable _ f -> XRepConv [g] repSeq6 cons xa xb xc xd xe xf = rep (seq6_ cons xa xb xc xd xe xf) --- Creates an XML converter for compound values represented as an --- XML element with children that correspond to the values components. --- The element can be used in repetitions. --- --- @param name Tag name of the element --- @param cons constructor of the compound value --- @param conv(s) XML converter for the components --- @return XML element converter for a compound value eSeq6 :: String -> (a -> b -> c -> d -> e -> f -> g) -> XmlConv _ _ a -> XmlConv _ _ b -> XmlConv _ _ c -> XmlConv _ _ d -> XmlConv _ _ e -> XmlConv _ _ f -> XElemConv g eSeq6 name cons xa xb xc xd xe xf = element name (seq6 cons xa xb xc xd xe xf) --- Creates an XML converter for repetitions of sequences represented as an --- XML element that can be used in repetitions. --- --- @param name Tag name of the element --- @param cons constructor of the sequence --- @param conv(s) XML converter for the components --- @return XML element converter for a repeated sequence eRepSeq6 :: String -> (a -> b -> c -> d -> e -> f -> g) -> XmlConv Repeatable _ a -> XmlConv Repeatable _ b -> XmlConv Repeatable _ c -> XmlConv Repeatable _ d -> XmlConv Repeatable _ e -> XmlConv Repeatable _ f -> XElemConv [g] eRepSeq6 name cons xa xb xc xd xe xf = element name (repSeq6 cons xa xb xc xd xe xf) |