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| Main Page | Class Hierarchy | Alphabetical List | Class List | Directories | File List | Class Members | File Members | Related Pages # DOMXPathNSResolver Class Reference The `DOMXPathNSResolver` interface permit prefix strings in the expression to be properly bound to namespaceURI strings. More... List of all members.
## Public Member Functions
Destructor
virtual | ~DOMXPathNSResolver ()
| Destructor.
Functions introduced in DOM Level 3
virtual const XMLCh * | lookupNamespaceURI (const XMLCh *prefix) const =0
| Look up the namespace URI associated to the given namespace prefix.
Non-standard extension
virtual const XMLCh * | lookupPrefix (const XMLCh *URI) const =0
| Non-standard extension.
## Protected Member Functions
Hidden constructors
| DOMXPathNSResolver ()
## Detailed Description The `DOMXPathNSResolver` interface permit prefix strings in the expression to be properly bound to namespaceURI strings. `DOMXPathEvaluator` can construct an implementation of `DOMXPathNSResolver` from a node, or the interface may be implemented by any application. Since: DOM Level 3 ## Constructor & Destructor Documentation
DOMXPathNSResolver::DOMXPathNSResolver | ( |  | ) | `[protected]`
virtual DOMXPathNSResolver::~DOMXPathNSResolver | ( |  | ) | `[virtual]`
| Destructor.
## Member Function Documentation
virtual const XMLCh* DOMXPathNSResolver::lookupNamespaceURI | ( | const XMLCh * | prefix | ) | const`[pure virtual]`
  | Look up the namespace URI associated to the given namespace prefix. The XPath evaluator must never call this with a null or empty argument, because the result of doing this is undefined. Parameters:
  | prefix | of type XMLCh - The prefix to look for.
Returns: the associated namespace URI or null if none is found.
virtual const XMLCh* DOMXPathNSResolver::lookupPrefix | ( | const XMLCh * | URI | ) | const`[pure virtual]`
  | Non-standard extension. XPath2 implementations require a reverse lookup in the static context. Look up the prefix associated with the namespace URI The XPath evaluator must never call this with a null or empty argument, because the result of doing this is undefined. Parameters:
  | URI | of type XMLCh - The namespace to look for.
Returns: the associated prefix or null if none is found.
The documentation for this class was generated from the following file: DOMXPathNSResolver.hpp

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