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1 /* |
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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3 * |
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4 * This code is free software; you can redistribute it and/or modify it |
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5 * under the terms of the GNU General Public License version 2 only, as |
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6 * published by the Free Software Foundation. Oracle designates this |
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7 * particular file as subject to the "Classpath" exception as provided |
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8 * by Oracle in the LICENSE file that accompanied this code. |
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9 * |
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10 * This code is distributed in the hope that it will be useful, but WITHOUT |
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11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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13 * version 2 for more details (a copy is included in the LICENSE file that |
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14 * accompanied this code). |
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15 * |
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16 * You should have received a copy of the GNU General Public License version |
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17 * 2 along with this work; if not, write to the Free Software Foundation, |
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18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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19 * |
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20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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21 * or visit www.oracle.com if you need additional information or have any |
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22 * questions. |
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23 */ |
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24 |
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25 /* |
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26 * This file is available under and governed by the GNU General Public |
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27 * License version 2 only, as published by the Free Software Foundation. |
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28 * However, the following notice accompanied the original version of this |
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29 * file and, per its terms, should not be removed: |
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30 * |
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31 * Copyright (c) 2000 World Wide Web Consortium, |
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32 * (Massachusetts Institute of Technology, Institut National de |
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33 * Recherche en Informatique et en Automatique, Keio University). All |
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34 * Rights Reserved. This program is distributed under the W3C's Software |
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35 * Intellectual Property License. This program is distributed in the |
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36 * hope that it will be useful, but WITHOUT ANY WARRANTY; without even |
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37 * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR |
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38 * PURPOSE. |
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39 * See W3C License http://www.w3.org/Consortium/Legal/ for more details. |
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40 */ |
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41 |
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42 package org.w3c.dom.css; |
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43 |
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44 import org.w3c.dom.DOMException; |
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45 |
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46 /** |
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47 * The <code>CSSRule</code> interface is the abstract base interface for any |
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48 * type of CSS statement. This includes both rule sets and at-rules. An |
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49 * implementation is expected to preserve all rules specified in a CSS style |
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50 * sheet, even if the rule is not recognized by the parser. Unrecognized |
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51 * rules are represented using the <code>CSSUnknownRule</code> interface. |
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52 * <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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53 * @since DOM Level 2 |
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54 */ |
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55 public interface CSSRule { |
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56 // RuleType |
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57 /** |
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58 * The rule is a <code>CSSUnknownRule</code>. |
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59 */ |
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60 public static final short UNKNOWN_RULE = 0; |
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61 /** |
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62 * The rule is a <code>CSSStyleRule</code>. |
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63 */ |
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64 public static final short STYLE_RULE = 1; |
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65 /** |
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66 * The rule is a <code>CSSCharsetRule</code>. |
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67 */ |
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68 public static final short CHARSET_RULE = 2; |
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69 /** |
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70 * The rule is a <code>CSSImportRule</code>. |
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71 */ |
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72 public static final short IMPORT_RULE = 3; |
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73 /** |
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74 * The rule is a <code>CSSMediaRule</code>. |
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75 */ |
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76 public static final short MEDIA_RULE = 4; |
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77 /** |
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78 * The rule is a <code>CSSFontFaceRule</code>. |
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79 */ |
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80 public static final short FONT_FACE_RULE = 5; |
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81 /** |
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82 * The rule is a <code>CSSPageRule</code>. |
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83 */ |
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84 public static final short PAGE_RULE = 6; |
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85 |
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86 /** |
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87 * The type of the rule, as defined above. The expectation is that |
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88 * binding-specific casting methods can be used to cast down from an |
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89 * instance of the <code>CSSRule</code> interface to the specific |
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90 * derived interface implied by the <code>type</code>. |
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91 */ |
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92 public short getType(); |
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93 |
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94 /** |
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95 * The parsable textual representation of the rule. This reflects the |
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96 * current state of the rule and not its initial value. |
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97 */ |
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98 public String getCssText(); |
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99 /** |
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100 * The parsable textual representation of the rule. This reflects the |
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101 * current state of the rule and not its initial value. |
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102 * @exception DOMException |
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103 * SYNTAX_ERR: Raised if the specified CSS string value has a syntax |
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104 * error and is unparsable. |
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105 * <br>INVALID_MODIFICATION_ERR: Raised if the specified CSS string |
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106 * value represents a different type of rule than the current one. |
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107 * <br>HIERARCHY_REQUEST_ERR: Raised if the rule cannot be inserted at |
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108 * this point in the style sheet. |
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109 * <br>NO_MODIFICATION_ALLOWED_ERR: Raised if the rule is readonly. |
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110 */ |
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111 public void setCssText(String cssText) |
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112 throws DOMException; |
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113 |
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114 /** |
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115 * The style sheet that contains this rule. |
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116 */ |
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117 public CSSStyleSheet getParentStyleSheet(); |
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118 |
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119 /** |
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120 * If this rule is contained inside another rule (e.g. a style rule |
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121 * inside an @media block), this is the containing rule. If this rule is |
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122 * not nested inside any other rules, this returns <code>null</code>. |
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123 */ |
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124 public CSSRule getParentRule(); |
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125 |
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126 } |