Copyright	Copyright (C) 2005 Uwe Schmidt
License	MIT
Maintainer	Uwe Schmidt (uwe@fh-wedel.de)
Stability	experimental
Portability	portable
Safe Haskell	None
Language	Haskell98

Text.XML.HXT.Arrow.Pickle.Schema

Description

Version : $Id$

Datatypes and functions for building a content model for XML picklers. A schema is part of every pickler and can be used to derive a corrensponding DTD (or Relax NG schema). This schema further enables checking the picklers.

Synopsis

data Schema
- = Any
- | Seq {
  - sc_l :: [Schema]
  }
- | Alt {
  - sc_l :: [Schema]
  }
- | Rep {
  - sc_lb :: Int
  - sc_ub :: Int
  - sc_1 :: Schema
  }
- | Element {
  - sc_n :: Name
  - sc_1 :: Schema
  }
- | Attribute {
  - sc_n :: Name
  - sc_1 :: Schema
  }
- | ElemRef {
  - sc_n :: Name
  }
- | CharData {
  - sc_dt :: DataTypeDescr
  }
type Name = String
type Schemas = [Schema]
data DataTypeDescr = DTDescr {
- dtLib :: String
- dtName :: String
- dtParams :: Attributes
}
isScXsd :: (String -> Bool) -> Schema -> Bool
isScFixed :: Schema -> Bool
isScEnum :: Schema -> Bool
isScElem :: Schema -> Bool
isScAttr :: Schema -> Bool
isScElemRef :: Schema -> Bool
isScCharData :: Schema -> Bool
isScSARE :: Schema -> Bool
isScList :: Schema -> Bool
isScOpt :: Schema -> Bool
xsdParam :: String -> Schema -> String
scDT :: String -> String -> Attributes -> Schema
scDTxsd :: String -> Attributes -> Schema
scString :: Schema
scString1 :: Schema
scFixed :: String -> Schema
scEnum :: [String] -> Schema
scNmtoken :: Schema
scNmtokens :: Schema
scEmpty :: Schema
scSeq :: Schema -> Schema -> Schema
scSeqs :: [Schema] -> Schema
scNull :: Schema
scAlt :: Schema -> Schema -> Schema
scAlts :: [Schema] -> Schema
scOption :: Schema -> Schema
scList :: Schema -> Schema
scList1 :: Schema -> Schema
scOpt :: Schema -> Schema
scRep :: Int -> Int -> Schema -> Schema
scElem :: String -> Schema -> Schema
scAttr :: String -> Schema -> Schema

Documentation

data Schema Source #

The datatype for modelling the structure of an

Constructors

Any
Seq
Fields sc_l :: [Schema]
Alt
Fields sc_l :: [Schema]
Rep
Fields sc_lb :: Int sc_ub :: Int sc_1 :: Schema
Element
Fields sc_n :: Name sc_1 :: Schema
Attribute
Fields sc_n :: Name sc_1 :: Schema
ElemRef
Fields sc_n :: Name
CharData
Fields sc_dt :: DataTypeDescr

Instances

Eq Schema Source #
Instance details Defined in Text.XML.HXT.Arrow.Pickle.Schema Methods (==) :: Schema -> Schema -> Bool # (/=) :: Schema -> Schema -> Bool #
Show Schema Source #
Instance details Defined in Text.XML.HXT.Arrow.Pickle.Schema Methods showsPrec :: Int -> Schema -> ShowS # show :: Schema -> String # showList :: [Schema] -> ShowS #

type Name = String Source #

type Schemas = [Schema] Source #

data DataTypeDescr Source #

Constructors

DTDescr
Fields dtLib :: String dtName :: String dtParams :: Attributes

Instances

Eq DataTypeDescr Source #
Instance details Defined in Text.XML.HXT.Arrow.Pickle.Schema Methods (==) :: DataTypeDescr -> DataTypeDescr -> Bool # (/=) :: DataTypeDescr -> DataTypeDescr -> Bool #
Show DataTypeDescr Source #
Instance details Defined in Text.XML.HXT.Arrow.Pickle.Schema Methods showsPrec :: Int -> DataTypeDescr -> ShowS # show :: DataTypeDescr -> String # showList :: [DataTypeDescr] -> ShowS #