Class CssSelectorParser
- java.lang.Object
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- com.itextpdf.styledxmlparser.css.parse.CssSelectorParser
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public final class CssSelectorParser extends java.lang.Object
Utilities class to parse a CSS selector.
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Field Summary
Fields Modifier and Type Field Description private static java.util.Set<java.lang.String>
LEGACY_PSEUDO_ELEMENTS
Set of legacy pseudo elements (first-line, first-letter, before, after).private static java.lang.String
SELECTOR_PATTERN_STR
The pattern string for selectors.private static java.util.regex.Pattern
selectorPattern
The pattern for selectors.
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Constructor Summary
Constructors Modifier Constructor Description private
CssSelectorParser()
Creates a newCssSelectorParser
instance.
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description private static void
appendPseudoSelector(java.util.List<ICssSelectorItem> selectorItems, java.lang.String pseudoSelector, java.util.regex.Matcher match, java.lang.String source)
Resolves a pseudo selector and appends it to list.private static java.lang.String
handleBracketsOfPseudoSelector(java.lang.String pseudoSelector, java.util.regex.Matcher match, java.lang.String source)
Resolves a pseudo selector if it contains brackets.static java.util.List<ICssSelectorItem>
parseSelectorItems(java.lang.String selector)
Parses the selector items.
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Field Detail
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LEGACY_PSEUDO_ELEMENTS
private static final java.util.Set<java.lang.String> LEGACY_PSEUDO_ELEMENTS
Set of legacy pseudo elements (first-line, first-letter, before, after).
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SELECTOR_PATTERN_STR
private static final java.lang.String SELECTOR_PATTERN_STR
The pattern string for selectors.- See Also:
- Constant Field Values
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selectorPattern
private static final java.util.regex.Pattern selectorPattern
The pattern for selectors.
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Constructor Detail
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CssSelectorParser
private CssSelectorParser()
Creates a newCssSelectorParser
instance.
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Method Detail
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parseSelectorItems
public static java.util.List<ICssSelectorItem> parseSelectorItems(java.lang.String selector)
Parses the selector items.- Parameters:
selector
- the selectors in the form of aString
- Returns:
- the resulting list of
ICssSelectorItem
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appendPseudoSelector
private static void appendPseudoSelector(java.util.List<ICssSelectorItem> selectorItems, java.lang.String pseudoSelector, java.util.regex.Matcher match, java.lang.String source)
Resolves a pseudo selector and appends it to list.- Parameters:
selectorItems
- list of items to which new selector will be added topseudoSelector
- the pseudo selectormatch
- the correspondingMatcher
.source
- is the original source
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handleBracketsOfPseudoSelector
private static java.lang.String handleBracketsOfPseudoSelector(java.lang.String pseudoSelector, java.util.regex.Matcher match, java.lang.String source)
Resolves a pseudo selector if it contains brackets. Updates internal state ofMatcher
if necessary.- Parameters:
pseudoSelector
- the pseudo selectormatch
- the correspondingMatcher
.source
- is the original source
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