Package snap.parse

Class ParseHandler<T>

java.lang.Object

snap.parse.ParseHandler<T>

Direct Known Subclasses:

JSParser.ArrayHandler, JSParser.ObjectHandler, JSParser.PairHandler, JSParser.ValueHandler, KeyChainParser.ArgListHandler, KeyChainParser.BinaryExprHandler, KeyChainParser.ExpressionHandler, KeyChainParser.KeyChainHandler, KeyChainParser.ObjectHandler, KeyChainParser.StatementHandler, KeyChainParser.UnaryExprHandler, ParseRuleParser.AndExprHandler, ParseRuleParser.CountExprHandler, ParseRuleParser.ExpressionHandler, ParseRuleParser.OrExprHandler, ParseRuleParser.ParseRuleFileHandler, ParseRuleParser.ParseRuleHandler, XMLParser.AttributeHandler, XMLParser.DocumentHandler, XMLParser.ElementHandler, XMLParser.PrologHandler

public class ParseHandler<T>
extends Object

A class called when child rules are parsed.

Field Summary

Fields

Modifier and Type	Field	Description
protected ParseHandler<T>	_backupHandler
protected T	_part

Constructor Summary

Constructors

Constructor	Description
ParseHandler()

Method Summary

Modifier and Type	Method	Description
protected ParseHandler<T>	createBackupHandler()	Returns a backup handler.
protected T	createPart()	Creates the part.
void	fail()	Indicates that parsing should fail on current rule.
ParseHandler<T>	getAvailableHandler()	Returns a handler that is not in use.
protected ParseHandler<T>	getBackupHandler()	Returns a backup handler.
T	getPart()	Returns the part.
protected Class<T>	getPartClass()	Returns the part class.
ParseToken	getStartToken()	Returns the token where the current part started.
boolean	isFail()	Whether parsing should fail on current rule.
T	parsedAll()	Called when all child rules have been successfully parsed.
protected void	parsedOne(ParseNode aNode)	Called when a child rule has been successfully parsed into given node.
protected void	parsedOne(ParseNode aNode, String anId)	Called when a child rule has been successfully parsed into given node.
void	reset()	Resets the handler.

Methods inherited from class java.lang.Object

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

Field Details

_part

protected T _part

_backupHandler

protected ParseHandler<T> _backupHandler

Constructor Details

ParseHandler

public ParseHandler()

Method Details

parsedOne

protected void parsedOne(ParseNode aNode)

Called when a child rule has been successfully parsed into given node.

parsedOne

protected void parsedOne(ParseNode aNode,
 String anId)

Called when a child rule has been successfully parsed into given node.

parsedAll

public T parsedAll()

Called when all child rules have been successfully parsed.

getPart

public T getPart()

Returns the part.

createPart

protected T createPart()

Creates the part.

getPartClass

protected Class<T> getPartClass()

Returns the part class.

getStartToken

public ParseToken getStartToken()

Returns the token where the current part started.

isFail

public boolean isFail()

Whether parsing should fail on current rule.

fail

public void fail()

Indicates that parsing should fail on current rule.

getAvailableHandler

public ParseHandler<T> getAvailableHandler()

Returns a handler that is not in use. This method should be synchronized, but that makes TeaVM unhappy.

getBackupHandler

protected ParseHandler<T> getBackupHandler()

Returns a backup handler.

createBackupHandler

protected ParseHandler<T> createBackupHandler()

Returns a backup handler.

reset

public void reset()

Resets the handler.