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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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import org.w3c.dom.DOMException;
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/**
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* The <code>CSSRule</code> interface is the abstract base interface for any
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* type of CSS statement. This includes both rule sets and at-rules. An
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* implementation is expected to preserve all rules specified in a CSS style
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* sheet, even if the rule is not recognized by the parser. Unrecognized
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* rules are represented using the <code>CSSUnknownRule</code> interface.
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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 CSSRule {
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// RuleType
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/**
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* The rule is a <code>CSSUnknownRule</code>.
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*/
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public static final short UNKNOWN_RULE = 0;
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/**
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* The rule is a <code>CSSStyleRule</code>.
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*/
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public static final short STYLE_RULE = 1;
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/**
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* The rule is a <code>CSSCharsetRule</code>.
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*/
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public static final short CHARSET_RULE = 2;
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/**
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* The rule is a <code>CSSImportRule</code>.
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*/
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public static final short IMPORT_RULE = 3;
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/**
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* The rule is a <code>CSSMediaRule</code>.
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*/
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public static final short MEDIA_RULE = 4;
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/**
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* The rule is a <code>CSSFontFaceRule</code>.
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*/
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public static final short FONT_FACE_RULE = 5;
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/**
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* The rule is a <code>CSSPageRule</code>.
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*/
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public static final short PAGE_RULE = 6;
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/**
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* The type of the rule, as defined above. The expectation is that
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* binding-specific casting methods can be used to cast down from an
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* instance of the <code>CSSRule</code> interface to the specific
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* derived interface implied by the <code>type</code>.
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*/
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public short getType();
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/**
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* The parsable textual representation of the rule. This reflects the
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* current state of the rule and not its initial value.
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*/
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public String getCssText();
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/**
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* The parsable textual representation of the rule. This reflects the
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* current state of the rule and not its initial value.
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* @exception DOMException
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* SYNTAX_ERR: Raised if the specified CSS string value has a syntax
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* error and is unparsable.
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* <br>INVALID_MODIFICATION_ERR: Raised if the specified CSS string
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* value represents a different type of rule than the current one.
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* <br>HIERARCHY_REQUEST_ERR: Raised if the rule cannot be inserted at
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* this point in the style sheet.
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* <br>NO_MODIFICATION_ALLOWED_ERR: Raised if the rule is readonly.
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*/
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public void setCssText(String cssText)
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throws DOMException;
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/**
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* The style sheet that contains this rule.
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*/
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public CSSStyleSheet getParentStyleSheet();
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/**
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* If this rule is contained inside another rule (e.g. a style rule
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* inside an @media block), this is the containing rule. If this rule is
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* not nested inside any other rules, this returns <code>null</code>.
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*/
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public CSSRule getParentRule();
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}
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