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Oracle® XML API Reference
10g Release 1 (10.1)
Part No. B10789-01
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DOMImplRef Interface

Table 15-7 summarizes the methods of available through DOMImplRef interface.

Table 15-7 Summary of DOMImplRef Methods; Dom Package

Function Summary
DOMImplRef
Constructor.
createDocument
Create document reference.
createDocumentType
Create DTD reference.
getImplementation
Get DOMImplementation object associated with the document.
getNoMod
Get the 'no modification allowed' flag value.
hasFeature
Determine if DOM feature is implemented.
setContext
Set another context to a node.
~DOMImplRef
Public default destructor.


DOMImplRef

Class constructor.

Syntax Description
DOMImplRef(
   Context* ctx_ptr,
   DOMImplementation< Node>* impl_ptr);
Creates reference object to DOMImplementation object in a given context. Returns reference to the implementation object.
DOMImplRef(
   const DOMImplRef< Context, Node>& iref);
It is needed to create other references to the implementation object; deletion flags are not copied.
DOMImplRef(
   const DOMImplRef< Context, Node>& iref,
   Context* ctx_ptr);
It is needed to create references to the implementation object in a different context; deletion flags are not copied.

Parameter Description
ctx_ptr
context pointer
impl_ptr
implementation


Returns

(DOMImplRef) reference to the implementation object


createDocument

Creates document reference


Syntax
DocumentRef< Node>* createDocument(
   oratext* namespaceURI,
   oratext* qualifiedName,
   DocumentTypeRef< Node>& doctype)
throw (DOMException);

Parameter Description
namespaceURI
namespace URI of root element
qualifiedName
qualified name of root element
doctype
associated DTD node


Returns

(DocumentRef< Node>*) document reference


createDocumentType

Creates DTD reference


Syntax
DocumentTypeRef< Node>* createDocumentType(
   oratext* qualifiedName,
   oratext* publicId,
   oratext* systemId)
throw (DOMException);

Parameter Description
qualifiedName
qualified name
publicId
external subset public Id
systemId
external subset system Id


Returns

(DocumentTypeRef< Node>*) DTD reference


getImplementation

Returns DOMImplementation object that was used to create this document. When the DOMImplementation object is destructed, all document trees associated with it are also destructed.


Syntax
DOMImplementation< Node>* getImplementation() const;


Returns

(DOMImplementation) DOMImplementation reference object


getNoMod

Get the 'no modification allowed' flag value. This is an Oracle extension.


Syntax
boolean getNoMod() const;


Returns

TRUE if flag's value is TRUE, FALSE otherwise


hasFeature

Determine if a DOM feature is implemented. Returns TRUE if the feature is implemented in the specified version, FALSE otherwise.

In level 1, the legal values for package are 'HTML' and 'XML' (case-insensitive), and the version is the string "1.0". If the version is not specified, supporting any version of the feature will cause the method to return TRUE.

DOM 1.0 features are "XML" and "HTML".

DOM 2.0 features are "Core", "XML", "HTML", "Views", "StyleSheets", "CSS", "CSS2", "Events", "UIEvents", "MouseEvents", "MutationEvents", "HTMLEvents", "Range", "Traversal"


Syntax
boolean hasFeature(
   oratext* feature, 
   oratext* version);

Parameter Description
feature
package name of feature
version
version of package


Returns

(boolean) is feature implemented?


setContext

It is needed to create node references in a different context


Syntax
void setContext(
   NodeRef< Node>& nref, 
   Context* ctx_ptr);

Parameter Description
nref
reference node
ctx_ptr
context pointer


~DOMImplRef

This is the default destructor. It cleans the reference to the implementation object. It is usually called by the environment. But it can be called by the user directly if necessary.


Syntax
~DOMImplRef();