Package com.itextpdf.styledxmlparser.css.parse

Class CssSelectorParser

java.lang.Object

com.itextpdf.styledxmlparser.css.parse.CssSelectorParser

       public final class CssSelectorParser extends Object
      

Utility class for parsing CSS selectors.

Method Summary

Modifier and Type	Method	Description
static List<ICssSelector>	parseCommaSeparatedSelectors(String arguments)	Parses a comma-separated list of CSS selectors from a string and returns a list of ICssSelector objects that represent the selectors.
static List<ICssSelectorItem>	parseSelectorItems(String selector)	Parses the given CSS selector string into a list of ICssSelectorItem objects.
static List<ICssSelectorItem>	parseSelectorItems(String selector, boolean allowRelativeSelectorAtStart)	Parses the given CSS selector string into a list of ICssSelectorItem objects, with an option to allow a relative selector at the beginning.
static List<String>	splitByTopLevelComma(String input)	Splits a string by top-level commas, ignoring commas inside parentheses or quoted strings.

Methods inherited from class java.lang.Object

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

Method Details

parseCommaSeparatedSelectors

             public static List<ICssSelector> parseCommaSeparatedSelectors
             (String arguments)
            

Parses a comma-separated list of CSS selectors from a string and returns a list of ICssSelector objects that represent the selectors.

Parameters:

arguments - the string containing a comma-separated list of CSS selectors

Returns:

a list of ICssSelector objects representing the parsed selectors

parseSelectorItems

             public static List<ICssSelectorItem> parseSelectorItems
             (String selector)
            

Parses the given CSS selector string into a list of ICssSelectorItem objects. This method processes the selector string character by character, handling state transitions and escape sequences to generate a structured representation of the selector components.

Parameters:

selector - the CSS selector string to be parsed

Returns:

a list of ICssSelectorItem objects representing the components of the parsed selector

parseSelectorItems

             public static List<ICssSelectorItem> parseSelectorItems
             (String selector, boolean allowRelativeSelectorAtStart)
            

Parses the given CSS selector string into a list of ICssSelectorItem objects, with an option to allow a relative selector at the beginning. This method processes the selector character by character, handling state transitions and escaped sequences to properly parse the structure.

Parameters:

selector - the CSS selector string to be parsed

allowRelativeSelectorAtStart - a boolean flag indicating whether a relative selector is allowed at the start of the selector string

Returns:

a list of ICssSelectorItem objects representing the parsed components of the CSS selector

splitByTopLevelComma

             public static List<String> splitByTopLevelComma
             (String input)
            

Splits a string by top-level commas, ignoring commas inside parentheses or quoted strings. This handles escape sequences for quotes correctly.

Parameters:

input - the string to split

Returns:

a list of string parts split by top-level commas