xmlContainsEntity: Checks if an entity is defined within a DTD.

Description Usage Arguments Details Value Author(s) References See Also Examples

Description

A DTD contains entity and element definitions. These functions test whether a DTD contains a definition for a particular named element or entity.

Usage

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Arguments

name

The name of the element or entity being queried.

dtd

The DTD in which to search for the entry.

Details

See parseDTD for more information about DTDs, entities and elements.

Value

A logical value indicating whether the entry was found in the appropriate list of entitiy or element definitions.

Author(s)

Duncan Temple Lang

References

http://www.w3.org/XML, http://www.jclark.com/xml, http://www.omegahat.net

See Also

parseDTD, dtdEntity, dtdElement,

Examples

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 dtdFile <- system.file("exampleData", "foo.dtd", package="XML")
 foo.dtd <- parseDTD(dtdFile)
 
  # Look for entities.
 xmlContainsEntity("foo", foo.dtd)
 xmlContainsEntity("bar", foo.dtd)

  # Now look for an element
 xmlContainsElement("record", foo.dtd)


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