cz.vutbr.web.domassign

Class Analyzer

java.lang.Object

cz.vutbr.web.domassign.Analyzer

Direct Known Subclasses:

DirectAnalyzer

public class Analyzer
extends Object

Analyzer allows to apply the given style to any document. During the initialization, it divides rules of stylesheet into maps accoring to medias and their type. Afterwards, it is able to return CSS declaration for any DOM tree and media. It allows to use or not to use inheritance.

Author:

Karel Piwko 2008,

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static class	Analyzer.Holder Holds list of maps of list.
protected static class	Analyzer.HolderItem Decides about holder item
protected class	Analyzer.HolderSelector Holds holder item type and key value, that is two elements that are about to be used for storing in holder

Field Summary

Fields

Modifier and Type	Field and Description
protected Map<String,Analyzer.Holder>	rules For all medias holds maps of declared rules classified into groups of HolderItem (ID, CLASS, ELEMENT, OTHER).
protected static String	UNIVERSAL_HOLDER

Constructor Summary

Constructors

Constructor and Description
Analyzer(List<StyleSheet> sheets) Creates the analyzer for multiple style sheets.
Analyzer(StyleSheet sheet) Creates the analyzer for a single style sheet.

Method Summary

Methods

Modifier and Type	Method and Description
protected void	assignDeclarationsToElement(DeclarationMap declarations, org.w3c.dom.traversal.TreeWalker walker, Element e, Analyzer.Holder holder) Assigns declarations to one element.
protected DeclarationMap	assingDeclarationsToDOM(Document doc, String media, boolean inherit) Creates map of declarations assigned to each element of a DOM tree
StyleMap	evaluateDOM(Document doc, String media, boolean inherit) Evaluates CSS properties of DOM tree
protected boolean	matchSelector(CombinedSelector sel, Element e, org.w3c.dom.traversal.TreeWalker w)

Methods inherited from class java.lang.Object

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

Field Detail

UNIVERSAL_HOLDER

protected static final String UNIVERSAL_HOLDER

See Also:

Constant Field Values

rules

protected Map<String,Analyzer.Holder> rules

For all medias holds maps of declared rules classified into groups of HolderItem (ID, CLASS, ELEMENT, OTHER). Media's type is key

Constructor Detail

Analyzer

public Analyzer(StyleSheet sheet)

Creates the analyzer for a single style sheet.

Parameters:

sheet - The stylesheet that will be used as the source of rules.

Analyzer

public Analyzer(List<StyleSheet> sheets)

Creates the analyzer for multiple style sheets.

Parameters:

sheets - A list of stylesheets that will be used as the source of rules.

Method Detail

evaluateDOM

public StyleMap evaluateDOM(Document doc,
                   String media,
                   boolean inherit)

Evaluates CSS properties of DOM tree

Parameters:

doc - Document tree

media - Media

inherit - Use inheritance

Returns:

Map where each element contains its CSS properties

assingDeclarationsToDOM

protected DeclarationMap assingDeclarationsToDOM(Document doc,
                                     String media,
                                     boolean inherit)

Creates map of declarations assigned to each element of a DOM tree

Parameters:

doc - DOM document

media - Media type to be used for declarations

inherit - Inheritance (cascade propagation of values)

Returns:

Map of elements as keys and their declarations

assignDeclarationsToElement

protected void assignDeclarationsToElement(DeclarationMap declarations,
                               org.w3c.dom.traversal.TreeWalker walker,
                               Element e,
                               Analyzer.Holder holder)

Assigns declarations to one element.

Parameters:

declarations - Declarations of all processed elements

walker - Tree walker

e - DOM Element

holder - Wrap

matchSelector

protected boolean matchSelector(CombinedSelector sel,
                    Element e,
                    org.w3c.dom.traversal.TreeWalker w)