Source for org.w3c.dom.css.CSSRuleList

   1: /*
   2:  * Copyright (c) 2000 World Wide Web Consortium,
   3:  * (Massachusetts Institute of Technology, Institut National de
   4:  * Recherche en Informatique et en Automatique, Keio University). All
   5:  * Rights Reserved. This program is distributed under the W3C's Software
   6:  * Intellectual Property License. This program is distributed in the
   7:  * hope that it will be useful, but WITHOUT ANY WARRANTY; without even
   8:  * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
   9:  * PURPOSE.
  10:  * See W3C License http://www.w3.org/Consortium/Legal/ for more details.
  11:  */
  12: 
  13: package org.w3c.dom.css;
  14: 
  15: /**
  16:  *  The <code>CSSRuleList</code> interface provides the abstraction of an
  17:  * ordered collection of CSS rules.
  18:  * <p> The items in the <code>CSSRuleList</code> are accessible via an
  19:  * integral index, starting from 0.
  20:  * <p>See also the <a href='http://www.w3.org/TR/2000/REC-DOM-Level-2-Style-20001113'>Document Object Model (DOM) Level 2 Style Specification</a>.
  21:  * @since DOM Level 2
  22:  */
  23: public interface CSSRuleList {
  24:     /**
  25:      *  The number of <code>CSSRules</code> in the list. The range of valid
  26:      * child rule indices is <code>0</code> to <code>length-1</code>
  27:      * inclusive.
  28:      */
  29:     public int getLength();
  30: 
  31:     /**
  32:      *  Used to retrieve a CSS rule by ordinal index. The order in this
  33:      * collection represents the order of the rules in the CSS style sheet.
  34:      * If index is greater than or equal to the number of rules in the list,
  35:      * this returns <code>null</code>.
  36:      * @param index Index into the collection
  37:      * @return The style rule at the <code>index</code> position in the
  38:      *   <code>CSSRuleList</code>, or <code>null</code> if that is not a
  39:      *   valid index.
  40:      */
  41:     public CSSRule item(int index);
  42: 
  43: }