Package com.singularsys.extensions.mathml.parser

Class SimpleHandler

java.lang.Object

com.singularsys.extensions.mathml.parser.SimpleHandler

All Implemented Interfaces:

TagHandler

public class SimpleHandler
extends Object
implements TagHandler

A simple handler which converts all elements to a tree structure. The inner class TreeNode represents elements of the tree and the standard output format from the toString method is such that

<math><apply><plus/><ci>x</ci><cn type="real">3</cn></apply></math>

becomes

math
 -apply
 --plus
 --ci
 ---x
 --cn {type=real}
 ---3

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	SimpleHandler.TreeNode	A class used to represent the tree.

Constructor Summary

Constructors

Constructor	Description
SimpleHandler()

Method Summary

Modifier and Type	Method	Description
Object	handle(StackFrame frame, Locator loc)	Transform the element, called when a closing tag is encountered.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

SimpleHandler

public SimpleHandler()

Method Details

handle

public Object handle(StackFrame frame,
 Locator loc)

Description copied from interface: TagHandler

Transform the element, called when a closing tag is encountered.

Specified by:

handle in interface TagHandler

Parameters:

frame - StackFrame representing the element

loc - location in input

Returns:

typically a Node, other types of objects may also be returned when the tag has a special meaning for its parent node.