Class CssSelectorParser

java.lang.Object

com.itextpdf.styledxmlparser.css.parse.CssSelectorParser

public final class CssSelectorParser
extends Object

Utilities class to parse a CSS selector.

Field Summary

Fields

Modifier and Type	Field	Description
private static final Set<String>	LEGACY_PSEUDO_ELEMENTS	Set of legacy pseudo elements (first-line, first-letter, before, after).
private static final String	SELECTOR_PATTERN_STR	The pattern string for selectors.
private static final Pattern	selectorPattern	The pattern for selectors.

Constructor Summary

Constructors

Modifier	Constructor	Description
private	CssSelectorParser()	Creates a new CssSelectorParser instance.

Method Summary

Modifier and Type	Method	Description
private static void	appendPseudoSelector(List<ICssSelectorItem> selectorItems, String pseudoSelector, Matcher match, String source)	Resolves a pseudo selector and appends it to list.
private static String	handleBracketsOfPseudoSelector(String pseudoSelector, Matcher match, String source)	Resolves a pseudo selector if it contains brackets.
static List<ICssSelectorItem>	parseSelectorItems(String selector)	Parses the selector items.

Methods inherited from class Object

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

Field Details

LEGACY_PSEUDO_ELEMENTS

private static final Set<String> LEGACY_PSEUDO_ELEMENTS

Set of legacy pseudo elements (first-line, first-letter, before, after).

SELECTOR_PATTERN_STR

private static final String SELECTOR_PATTERN_STR

The pattern string for selectors.

See Also:

• Constant Field Values

selectorPattern

private static final Pattern selectorPattern

The pattern for selectors.

Constructor Details

CssSelectorParser

private CssSelectorParser()

Creates a new CssSelectorParser instance.

Method Details

parseSelectorItems

public static List<ICssSelectorItem> parseSelectorItems(String selector)

Parses the selector items.

Parameters:

selector - the selectors in the form of a String

Returns:

the resulting list of ICssSelectorItem

appendPseudoSelector

private static void appendPseudoSelector(List<ICssSelectorItem> selectorItems,
 String pseudoSelector,
 Matcher match,
 String source)

Resolves a pseudo selector and appends it to list.

Parameters:

selectorItems - list of items to which new selector will be added to

pseudoSelector - the pseudo selector

match - the corresponding Matcher.

source - is the original source

handleBracketsOfPseudoSelector

private static String handleBracketsOfPseudoSelector(String pseudoSelector,
 Matcher match,
 String source)

Resolves a pseudo selector if it contains brackets. Updates internal state of Matcher if necessary.

Parameters:

pseudoSelector - the pseudo selector

match - the corresponding Matcher.

source - is the original source