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 /*
  * Copyright (c) 2000 World Wide Web Consortium,
  * (Massachusetts Institute of Technology, Institut National de
  * Recherche en Informatique et en Automatique, Keio University). All
  * Rights Reserved. This program is distributed under the W3C's Software
  * Intellectual Property License. This program is distributed in the
  * hope that it will be useful, but WITHOUT ANY WARRANTY; without even
  * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  * PURPOSE.
 * See W3C License http://www.w3.org/Consortium/Legal/ for more details.
 */
package org.w3c.dom.css;
The CSSStyleSheet interface is a concrete interface used to represent a CSS style sheet i.e., a style sheet whose content type is "text/css".

See also the Document Object Model (DOM) Level 2 Style Specification.

Since:
DOM Level 2
public interface CSSStyleSheet extends StyleSheet {
    
If this style sheet comes from an @import rule, the ownerRule attribute will contain the CSSImportRule. In that case, the ownerNode attribute in the StyleSheet interface will be null. If the style sheet comes from an element or a processing instruction, the ownerRule attribute will be null and the ownerNode attribute will contain the Node.
    public CSSRule getOwnerRule();

    
The list of all CSS rules contained within the style sheet. This includes both rule sets and at-rules.
    public CSSRuleList getCssRules();

    
Used to insert a new rule into the style sheet. The new rule now becomes part of the cascade.

Parameters:
rule The parsable text representing the rule. For rule sets this contains both the selector and the style declaration. For at-rules, this specifies both the at-identifier and the rule content.
index The index within the style sheet's rule list of the rule before which to insert the specified rule. If the specified index is equal to the length of the style sheet's rule collection, the rule will be added to the end of the style sheet.
Returns:
The index within the style sheet's rule collection of the newly inserted rule.
Throws:
org.w3c.dom.DOMException HIERARCHY_REQUEST_ERR: Raised if the rule cannot be inserted at the specified index e.g. if an @import rule is inserted after a standard rule set or other at-rule.
INDEX_SIZE_ERR: Raised if the specified index is not a valid insertion point.
NO_MODIFICATION_ALLOWED_ERR: Raised if this style sheet is readonly.
SYNTAX_ERR: Raised if the specified rule has a syntax error and is unparsable.
    public int insertRule(String rule
                          int index)
                          throws DOMException;

    
Used to delete a rule from the style sheet.

Parameters:
index The index within the style sheet's rule list of the rule to remove.
Throws:
org.w3c.dom.DOMException INDEX_SIZE_ERR: Raised if the specified index does not correspond to a rule in the style sheet's rule list.
NO_MODIFICATION_ALLOWED_ERR: Raised if this style sheet is readonly.
    public void deleteRule(int index)
                           throws DOMException;
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