treebolic.provider.xml.fast
Class Parser

java.lang.Object
  treebolic.provider.xml.fast.Parser

 class Parser
extends java.lang.Object

Light-weight XML parser for treebolic

Author:

Bernard Bou

Nested Class Summary

private static class

Parser.Scope Scope types

Field Summary

private int	lookahead Character lookahead
private java.util.List<IEdge>	theEdges Edge list
private java.util.List<MenuItem>	theMenu Menu
private MenuItem	theMenuItem Menu item
private java.util.Hashtable<java.lang.String,MutableNode>	theNodesById Id to node map
private Provider	theProvider Provider
private java.io.BufferedReader	theReader Reader
private MutableNode	theRoot Root node
private Settings	theSettings Settings
private java.net.URL	theURL Source URL

Constructor Summary

Parser(java.net.URL thisURL, Provider thisProvider)
Constructor

Method Summary

private java.lang.String	getNextTag() Get next tag string
private java.lang.String	getText() Get tag text
private boolean	hasMoreTags() Whether more tags are available
boolean	isValid() Whether reader is valid
private Tree	parse(boolean doSettings) Parse.
private void	parseEdgesTag(Tag thisTag) Parse tag
private MutableEdge	parseEdgeTag(Tag thisTag) Parse tag
Model	parseModel() Parse model
private void	parseNodesTag(Tag thisTag) Parse tag
Tree	parseTree() Parse tree
private void	parseTreebolicTag(Tag thisTag) Parse tag
private void	parseTreeTag(Tag thisTag) Parse tag
private int	read() Read character
private void	unread(int c) Unread (=push back) character

Methods inherited from class java.lang.Object

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

Field Detail

theURL

private java.net.URL theURL

Source URL

theProvider

private Provider theProvider

Provider

theRoot

private MutableNode theRoot

Root node

theEdges

private java.util.List<IEdge> theEdges

Edge list

theNodesById

private java.util.Hashtable<java.lang.String,MutableNode> theNodesById

Id to node map

theSettings

private Settings theSettings

Settings

theMenu

private java.util.List<MenuItem> theMenu

Menu

theMenuItem

private MenuItem theMenuItem

Menu item

theReader

private java.io.BufferedReader theReader

Reader

lookahead

private int lookahead

Character lookahead

Constructor Detail

Parser

public Parser(java.net.URL thisURL,
              Provider thisProvider)

Constructor

Parameters:

thisURL - source url

thisProvider - provider

Method Detail

isValid

public boolean isValid()

Whether reader is valid

Returns:

true if reader is valid

read

private int read()

Read character

Returns:

read character

unread

private void unread(int c)

Unread (=push back) character

Parameters:

c - character

hasMoreTags

private boolean hasMoreTags()

Whether more tags are available

Returns:

true if more tags are available

getNextTag

private java.lang.String getNextTag()

Get next tag string

Returns:

next tag string

getText

private java.lang.String getText()

Get tag text

Returns:

tag text

parseTreebolicTag

private void parseTreebolicTag(Tag thisTag)

Parse tag

Parameters:

thisTag - tag string

parseTreeTag

private void parseTreeTag(Tag thisTag)

Parse tag

Parameters:

thisTag - tag string

parseNodesTag

private void parseNodesTag(Tag thisTag)

Parse tag

Parameters:

thisTag - tag string

parseEdgesTag

private void parseEdgesTag(Tag thisTag)

Parse tag

Parameters:

thisTag - tag string

parseEdgeTag

private MutableEdge parseEdgeTag(Tag thisTag)

Parse tag

Parameters:

thisTag - tag string

Returns:

edge

parseModel

public Model parseModel()

Parse model

Returns:

model, null if fail

parseTree

public Tree parseTree()

Parse tree

Returns:

tree, null if fail

parse

private Tree parse(boolean doSettings)

Parse. Settings are built as a side-effect.

Parameters:

doSettings - whether to consider or discard settings

Returns:

graph if successful