| dtdIsAttribute {XML} | R Documentation |
Examines the definition of the DTD element definition identified
by element to see if it supports an attribute named
name.
dtdIsAttribute(name, element, dtd)
name |
The name of the attribute being queried |
element |
The name of the element whose definition is to be used to obtain the list of valid attributes. |
dtd |
The DTD containing the definition of the elements,
specifically element. |
A logical value indicating if the
list of attributes suppported by the
specified element has an entry named
name.
This does indicate what type of value
that attribute has, whether it is required, implied,
fixed, etc.
Duncan Temple Lang
http://www.w3.org/XML, http://www.jclark.com/xml, http://www.omegahat.org
parseDTD,
dtdElement,
xmlAttrs
dtdFile <- system.file("exampleData", "foo.dtd", package="XML")
foo.dtd <- parseDTD(dtdFile)
# true
dtdIsAttribute("numRecords", "dataset", foo.dtd)
# false
dtdIsAttribute("date", "dataset", foo.dtd)