Package eu.bandm.tools.dtd

Class AttlistIndex

java.lang.Object

eu.bandm.tools.dtd.AttlistIndex

public class AttlistIndex
extends Object

Maintains for one given DTD.Dtd a map from element names into DTD.Attlists. For a certain element name: Iff there are one ore more DTD.Attlists in the original dtd, then in the map is exactly one(1) fresh DTD.Attlist object, containing all attribute declarations.
Errors are issued to the message channel

1. if a set of known element names is given and an attribute list refers to an element name not contained therein.
2. if an attribute name appears more than once in an Attlist.
3. if more than one attributes in the same attlist are of type "ID".

(Further checks could be added!)

Field Summary

Fields

Modifier and Type	Field	Description
protected Set<String>	fragmented
protected Map<String,DTD.Attlist>	name2attlist
protected DTD.Dtd	source

Constructor Summary

Constructors

Constructor	Description
AttlistIndex()

Method Summary

Modifier and Type	Method	Description
DTD.Attlist	getAttlist(String name)	Return the (one and only, unified) DTD.Attlist object for a given element name ("tag").
Set<String>	getElementNames()	Returns the names of all elements with attributes
DTD.Dtd	getSource()	Returns the DTD.Dtd which this object reflects.
boolean	isFragmented(String name)	Returns whether the attribute with the given name has been declared in more than one (>1) "&lt;!ATTLIST..>" entries.
void	update(MessageReceiver<? super SimpleMessage<XMLDocumentIdentifier>> msg, DTD.Dtd dtd)	This method (or its variant) must be called exactly once to initialize maps with a certain dtd.
void	update(MessageReceiver<? super SimpleMessage<XMLDocumentIdentifier>> msg, DTD.Dtd dtd, Set<String> knownElementNames)	This method (or its variant) must be called exactly once to initialize maps with a certain dtd.

Methods inherited from class java.lang.Object

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

Field Details

name2attlist

protected Map<String,DTD.Attlist> name2attlist

fragmented

protected Set<String> fragmented

source

protected DTD.Dtd source

Constructor Details

AttlistIndex

public AttlistIndex()

Method Details

update

public void update(MessageReceiver<? super SimpleMessage<XMLDocumentIdentifier>> msg,
 DTD.Dtd dtd)

This method (or its variant) must be called exactly once to initialize maps with a certain dtd.

Throws:

IllegalStateException - if called more than once.

update

public void update(MessageReceiver<? super SimpleMessage<XMLDocumentIdentifier>> msg,
 DTD.Dtd dtd,
 Set<String> knownElementNames)

This method (or its variant) must be called exactly once to initialize maps with a certain dtd. Sends to the message channel error messages in case that an DTD.Attlist is found without corresponding DTD.Element in knownElementNames.

Throws:

IllegalStateException - if called more than once.

getAttlist

public DTD.Attlist getAttlist(String name)

Return the (one and only, unified) DTD.Attlist object for a given element name ("tag").

Throws:

IllegalStateException - in case update(MessageReceiver,DTD.Dtd) has not been called before.

isFragmented

public boolean isFragmented(String name)

Returns whether the attribute with the given name has been declared in more than one (>1) "<!ATTLIST..>" entries.

getElementNames

public Set<String> getElementNames()

Returns the names of all elements with attributes

getSource

public DTD.Dtd getSource()

Returns the DTD.Dtd which this object reflects.