Class StyleUtil

java.lang.Object

com.itextpdf.styledxmlparser.util.StyleUtil

public final class StyleUtil
extends Object

Utility class for resolving parent-inheritance of style and attribute declarations.

Field Summary

Fields

Modifier and Type	Field	Description
private static final List<String>	fontSizeDependentPercentage	List to store the properties whose value can depend on parent or element font-size

Constructor Summary

Constructors

Modifier	Constructor	Description
private	StyleUtil()

Method Summary

Modifier and Type	Method	Description
private static boolean	checkInheritance(String styleProperty, Set<IStyleInheritance> inheritanceRules)	Check all inheritance rule-sets to see if the passed property is inheritable
static Map<String,String>	mergeParentStyleDeclaration(Map<String,String> styles, String styleProperty, String parentPropValue, String parentFontSizeString, Set<IStyleInheritance> inheritanceRules)	Merge parent CSS declarations.
private static boolean	valueIsOfMeasurement(String value, String measurement)	Check to see if the passed value is a measurement of the type based on the passed measurement symbol string

Methods inherited from class Object

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

Field Details

fontSizeDependentPercentage

private static final List<String> fontSizeDependentPercentage

List to store the properties whose value can depend on parent or element font-size

Constructor Details

StyleUtil

private StyleUtil()

Method Details

mergeParentStyleDeclaration

public static Map<String,String> mergeParentStyleDeclaration(Map<String,String> styles,
 String styleProperty,
 String parentPropValue,
 String parentFontSizeString,
 Set<IStyleInheritance> inheritanceRules)

Merge parent CSS declarations.

Parameters:

styles - the styles map

styleProperty - the CSS property

parentPropValue - the parent properties value

parentFontSizeString - is a font size of parent element

inheritanceRules - set of inheritance rules

Returns:

a map of updated styles after merging parent and child style declarations

checkInheritance

private static boolean checkInheritance(String styleProperty,
 Set<IStyleInheritance> inheritanceRules)

Check all inheritance rule-sets to see if the passed property is inheritable

Parameters:

styleProperty - property identifier to check

inheritanceRules - a set of inheritance rules

Returns:

True if the property is inheritable by one of the rule-sets, false if it is not marked as inheritable in all rule-sets

valueIsOfMeasurement

private static boolean valueIsOfMeasurement(String value,
 String measurement)

Check to see if the passed value is a measurement of the type based on the passed measurement symbol string

Parameters:

value - string containing value to check

measurement - measurement symbol (e.g. % for relative, px for pixels)

Returns:

True if the value is numerical and ends with the measurement symbol, false otherwise