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, Radek Burget 2008-2014

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Analyzer.Holder Holds list of maps of list.
protected static class	Analyzer.HolderItem Decides about holder item
protected static class	Analyzer.HolderSelector Holds holder item type and key value, that is two elements that are about to be used for storing in holder
static class	Analyzer.OrderedRule Represents a ruleset and its order in the corresponding style sheet.

Field Summary

Fields

Modifier and Type	Field and Description
protected int	currentOrder Rule order counter
protected Analyzer.Holder	rules Holds maps of declared rules classified into groups of HolderItem (ID, CLASS, ELEMENT, OTHER).
protected List<StyleSheet>	sheets The style sheets to be processed.

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

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, MediaSpec media, boolean inherit) Creates map of declarations assigned to each element of a DOM tree
protected void	classifyAllSheets(MediaSpec mediaspec) Classifies the rules in all the style sheets.
protected boolean	elementSelectorMatches(Selector s, Element e)
StyleMap	evaluateDOM(Document doc, MediaSpec media, boolean inherit) Evaluates CSS properties of DOM tree
StyleMap	evaluateDOM(Document doc, String media, boolean inherit)
ElementMatcher	getElementMatcher() Obtains the matcher to be used for matching the elements.
MatchCondition	getMatchCondition() Obtains the match condition to be used for matching the elements and selector parts.
protected boolean	matchSelector(CombinedSelector sel, Element e, org.w3c.dom.traversal.TreeWalker w)
void	registerElementMatcher(ElementMatcher matcher) Registers a new element matcher to be used for matching the elements and selector parts.
void	registerMatchCondition(MatchCondition matchCond) Registers a new match condition to be used for matching the elements and selector parts.

Methods inherited from class java.lang.Object

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

Field Detail

sheets

protected List<StyleSheet> sheets

The style sheets to be processed.

currentOrder

protected int currentOrder

Rule order counter

rules

protected Analyzer.Holder rules

Holds maps of declared rules classified into groups of HolderItem (ID, CLASS, ELEMENT, OTHER).

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

registerMatchCondition

public final void registerMatchCondition(MatchCondition matchCond)

Registers a new match condition to be used for matching the elements and selector parts.

Parameters:

matchCond - the new match condition

getMatchCondition

public final MatchCondition getMatchCondition()

Obtains the match condition to be used for matching the elements and selector parts.

Returns:

the match condition used by the Analyzer.

registerElementMatcher

public final void registerElementMatcher(ElementMatcher matcher)

Registers a new element matcher to be used for matching the elements and selector parts.

Parameters:

matcher - the new element matcher

getElementMatcher

public final ElementMatcher getElementMatcher()

Obtains the matcher to be used for matching the elements.

Returns:

the matcher used by the Analyzer.

evaluateDOM

public StyleMap evaluateDOM(Document doc,
                            MediaSpec 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

evaluateDOM

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

assingDeclarationsToDOM

protected DeclarationMap assingDeclarationsToDOM(Document doc,
                                                 MediaSpec 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

elementSelectorMatches

protected boolean elementSelectorMatches(Selector s,
                                         Element e)

matchSelector

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

classifyAllSheets

protected void classifyAllSheets(MediaSpec mediaspec)

Classifies the rules in all the style sheets.

Parameters:

mediaspec - The specification of the media for evaluating the media queries.