org.nineml.coffeegrinder.parser

Class ParseTree

java.lang.Object

org.nineml.coffeegrinder.parser.ParseTree

public class ParseTree
extends java.lang.Object

A single parse of the input against the grammar.

Field Summary

Fields

Modifier and Type	Field and Description
java.util.ArrayList<ParseTree>	children

Constructor Summary

Constructors

Constructor and Description
ParseTree(NonterminalSymbol symbol, java.util.Map<java.lang.String,java.lang.String> attrs)
ParseTree(Token token, java.util.Map<java.lang.String,java.lang.String> attrs)

Method Summary

Modifier and Type	Method and Description
ParseTree	addChild(NonterminalSymbol symbol, java.util.Map<java.lang.String,java.lang.String> attrs)
void	addChild(Token token, java.util.Map<java.lang.String,java.lang.String> attrs)
java.lang.String	getAttribute(java.lang.String name, java.lang.String defaultValue)
java.util.Map<java.lang.String,java.lang.String>	getAttributes()
java.util.List<ParseTree>	getChildren() Get the children
ParseTree	getParent() Get the parent.
Symbol	getSymbol() Get the symbol associated with this node in the tree.
Token	getToken() Get the token associated with this node in the tree.
java.lang.String	serialize() Serialize the tree as XML.
void	serialize(java.io.PrintStream stream) Serialize the tree as XML.
void	serialize(java.lang.String filename) Serialize the tree as XML.
java.lang.String	toString()

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

children

public java.util.ArrayList<ParseTree> children

Constructor Detail

ParseTree

public ParseTree(NonterminalSymbol symbol,
                 java.util.Map<java.lang.String,java.lang.String> attrs)

ParseTree

public ParseTree(Token token,
                 java.util.Map<java.lang.String,java.lang.String> attrs)

Method Detail

addChild

public ParseTree addChild(NonterminalSymbol symbol,
                          java.util.Map<java.lang.String,java.lang.String> attrs)

addChild

public void addChild(Token token,
                     java.util.Map<java.lang.String,java.lang.String> attrs)

getSymbol

public Symbol getSymbol()

Get the symbol associated with this node in the tree.

Returns:

the symbol, or null

getToken

public Token getToken()

Get the token associated with this node in the tree.

Returns:

the token, or null

getAttribute

public java.lang.String getAttribute(java.lang.String name,
                                     java.lang.String defaultValue)

getAttributes

public java.util.Map<java.lang.String,java.lang.String> getAttributes()

getParent

public ParseTree getParent()

Get the parent.

Returns:

The parent node in the tree, or null if this is the root

getChildren

public java.util.List<ParseTree> getChildren()

Get the children

Returns:

The children

serialize

public java.lang.String serialize()

Serialize the tree as XML.

See ParserOptions for details about options that may be used to influence the structure of trees.

Returns:

an XML serialization as a string

serialize

public void serialize(java.io.PrintStream stream)

Serialize the tree as XML.

See ParserOptions for details about options that may be used to influence the structure of trees.

Parameters:

stream - the stream on which to write the XML serialization

serialize

public void serialize(java.lang.String filename)

Serialize the tree as XML.

This method attempts to write the XML to a file.

See ParserOptions for details about options that may be used to influence the structure of trees.

Parameters:

filename - the name of the file

Throws:

ForestException - if a error occurs attempt to write to the file

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object