Provides methods for dealing with listeners, parents and writers.
[line 55]
void attachToParent( object class &$child)
to set another child filter in the parent
void close( string &$tag)
Overridden in child classes as:
void data( string &$data)
void detachFromParent( )
from the parent
void endDoc( )
void escape( string &$data)
object class &getWriter( )
void jasp( string &$data)
void open( string &$tag, array &$attribs)
void pi( string &$target, string &$instruction)
void setChild( object class &$child)
void setParent( object class &$parent)
void setWriter( object class &$writer)
void startDoc( )
void unsetChild( )
void unsetParent( )
void __destroy( )
a filter can check parsing for errors