Class CssIdentifierValidator
java.lang.Object
com.itextpdf.styledxmlparser.css.validate.impl.datatype.CssIdentifierValidator
- All Implemented Interfaces:
ICssDataTypeValidator
ICssDataTypeValidator
implementation for identifiers.
In CSS, identifiers (including element names, classes, and IDs in selectors) can contain only the characters [a-zA-Z0-9]
and ISO 10646 characters U+00A0 and higher, plus the hyphen (-) and the underscore (_);
they cannot start with a digit, two hyphens, or a hyphen followed by a digit.
Identifiers can also contain escaped characters and any ISO 10646 character as a numeric code (see next item).
For instance, the identifier "B&W?" may be written as "B\&W\?" or "B\26 W\3F".-
Constructor Summary
Constructors -
Method Summary
-
Constructor Details
-
CssIdentifierValidator
public CssIdentifierValidator()
-
-
Method Details
-
isValid
Description copied from interface:ICssDataTypeValidator
Checks if a value is a valid data type (e.g. a color, an identifier,...).- Specified by:
isValid
in interfaceICssDataTypeValidator
- Parameters:
objectString
- the value- Returns:
- true, if the value is a valid data type
-