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jeremybenn |
/*
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* Copyright (c) 2000 World Wide Web Consortium,
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* (Massachusetts Institute of Technology, Institut National de
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* Recherche en Informatique et en Automatique, Keio University). All
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* Rights Reserved. This program is distributed under the W3C's Software
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* Intellectual Property License. This program is distributed in the
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* hope that it will be useful, but WITHOUT ANY WARRANTY; without even
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* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE.
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* See W3C License http://www.w3.org/Consortium/Legal/ for more details.
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*/
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package org.w3c.dom.css;
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/**
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* The <code>CSSValueList</code> interface provides the abstraction of an
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* ordered collection of CSS values.
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* <p> Some properties allow an empty list into their syntax. In that case,
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* these properties take the <code>none</code> identifier. So, an empty list
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* means that the property has the value <code>none</code>.
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* <p> The items in the <code>CSSValueList</code> are accessible via an
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* integral index, starting from 0.
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* <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>.
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* @since DOM Level 2
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*/
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public interface CSSValueList extends CSSValue {
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/**
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* The number of <code>CSSValues</code> in the list. The range of valid
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* values of the indices is <code>0</code> to <code>length-1</code>
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* inclusive.
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*/
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public int getLength();
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/**
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* Used to retrieve a <code>CSSValue</code> by ordinal index. The order in
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* this collection represents the order of the values in the CSS style
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* property. If index is greater than or equal to the number of values
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* in the list, this returns <code>null</code>.
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* @param index Index into the collection.
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* @return The <code>CSSValue</code> at the <code>index</code> position
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* in the <code>CSSValueList</code>, or <code>null</code> if that is
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* not a valid index.
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*/
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public CSSValue item(int index);
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}
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