Text.XML.HXT.DOM.QualifiedName

A qualified name consists of a name prefix, a local name and a namespace uri. All modules, which are not namespace aware, use only the localPart component. When dealing with namespaces, the document tree must be processed by propagateNamespaces to split names of structure "prefix:localPart" and label the name with the apropriate namespace uri

Constructors

namePrefix :: String	the name prefix part of a qualified name "namePrefix:localPart"
localPart :: String	the local part of a qualified name "namePrefix:localPart"
namespaceUri :: String	the associated namespace uri

Instances

qualifiedName :: QName -> String

Two QNames are equal if (1. case) namespaces are both empty and the qualified names (prefix:localpart) are the same or (2. case) namespaces are set and namespaces and local parts both are equal

builds the full name "prefix:localPart", if prefix is not null, else the local part is the result

universalName :: QName -> String

builds the "universal" name, that is the namespace uri surrounded with "{" and "}" followed by the local part (specialisation of buildUniversalName)

universalUri :: QName -> String

builds an "universal" uri, that is the namespace uri followed by the local part. This is usefull for RDF applications, where the subject, predicate and object often are concatenated from namespace uri and local part (specialisation of buildUniversalName)

buildUniversalName :: (String -> String -> String) -> QName -> String

builds a string from the namespace uri and the local part. If the namespace uri is empty, the local part is returned, else namespace uri and local part are combined with the combining function given by the first parameter

mkQName :: String -> String -> String -> QName

constructs a complete qualified name with namePrefix, localPart and namespaceUri.

mkName :: String -> QName

constructs a simple, namespace unaware name, namePrefix and namespaceUri are set to the empty string.

mkPrefixLocalPart :: String -> String -> QName

constructs a simple name, with prefix and localPart but without a namespace uri.

see also mkName, mkNsName, mkSNsName

mkNsName :: String -> String -> QName

constructs a simple, namespace aware name, with prefix:localPart as first parameter, namspace uri as second.

see also mkName, mkPrefixLocalPart

mkSNsName :: String -> QName

constructs a simple name, with prefix:localPart as 1 parameter, with empty namspace uri, same as 'mkPrefixLocalPart, but with a single parameter

see also mkNsName, mkPrefixLocalPart

nullQName :: QName

Empty QName

equalQName :: QName -> QName -> Bool

Equality of QNames: Two QNames are equal, if the local parts are equal and the namespace URIs are equal. The comparison works with and without namespace propagation. If namespaces have been propagated, the name is split into prefix and local part and the namespace uri is set. In this case the prefix is not significant for equality test. If namespaces have not been propagated, the local part contains the full name, prefix and namespace URI are empty. The full name (prefix and local part) is used for comparison.

equivQName :: QName -> QName -> Bool

Equivalent QNames are defined as follows: The URIs are normalized before comparison. Comparison is done with equalQNameBy and equivUri

equivUri :: String -> String -> Bool

Comparison of normalized namespace URIs using normalizeNsUri

equalQNameBy :: (String -> String -> Bool) -> QName -> QName -> Bool

Sometimes a weaker equality relation than equalQName is appropriate, e.g no case significance in names, ... a name normalization function can be applied to the strings before comparing. Called by equalQName and equivQName

normalizeNsUri :: String -> String

Normalization of URIs: Normalization is done by conversion into lowercase letters. A trailing "/" is ignored

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