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1+module Text.XML.Soap where
2+
3+import Control.Lens
4+import Data.String
5+import Text.XML
6+import Text.XML.DOM.Parser
7+import Text.XML.Writer
8+
9+data XmlEnvelope h b = XmlEnvelope
10+ { _xeHeader :: !(Maybe h)
11+ , _xeBody :: !(Maybe b)
12+ } deriving (Eq, Show)
13+
14+makeLenses ''XmlEnvelope
15+
16+xmlEnvelopeToDocument :: (ToXML h, ToXML b) => XmlEnvelope h b -> Document
17+xmlEnvelopeToDocument xe = doc
18+ where
19+ sname n = fromString $ "{http://schemas.xmlsoap.org/soap/envelope/}" <> n
20+ doc =
21+ Document
22+ { documentPrologue = Prologue [] Nothing []
23+ , documentRoot =
24+ Element
25+ { elementName = sname "Envelope"
26+ , elementAttributes = mempty
27+ , elementNodes = [NodeElement header, NodeElement body]
28+ }
29+ , documentEpilogue = []
30+ }
31+ header =
32+ Element
33+ { elementName = sname "Header"
34+ , elementAttributes = mempty
35+ , elementNodes = render . toXML $ xe ^. xeHeader
36+ }
37+ body =
38+ Element
39+ { elementName = sname "Body"
40+ , elementAttributes = mempty
41+ , elementNodes = render . toXML $ xe ^. xeBody
42+ }
43+
44+instance (FromDom h, FromDom b) => FromDom (XmlEnvelope h b) where
45+ fromDom = XmlEnvelope <$> inElemMay "Header" fromDom
46+ <*> inElemMay "Body" fromDom