XML: xmlContainsEntity – R documentation

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xmlContainsEntity

Checks if an entity is defined within a DTD.

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

xmlContainsEntity(name, dtd)
xmlContainsElement(name, dtd)

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

Examples

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)

XML

Tools for Parsing and Generating XML Within R and S-Plus

v3.99-0.10

BSD_3_clause + file LICENSE

Authors

CRAN Team [ctb, cre] (de facto maintainer since 2013), Duncan Temple Lang [aut] (<https://orcid.org/0000-0003-0159-1546>), Tomas Kalibera [ctb]

Initial release