13.6. XML::Parser::ContentModel Methods
The element declaration handlers are
passed objects of this class as the content model of the element
declaration. They also represent content particles, which are
components of a content model.
When referred to as a string, these objects are automatically
converted to a string representation of the model (or content
Returns true if the object is EMPTY, false
Returns true if the object is ANY, false otherwise.
Returns true if the object is (#PCDATA) or
(#PCDATA|...)*, false otherwise.
Returns true if the object is an element name.
Returns true if the object is a choice of content particles.
Returns true if the object is a sequence of content particles.
Returns undef or a string representing the
quantifier (?, *, +) associated with the model or particle.
Returns undef or (for mixed, choice, and sequence
types) an array of component content particles. There will always be
at least one component for choices and sequences, but for a mixed
content model of pure PCDATA,
(#PCDATA), then undef is
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