J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1998-2001 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun in the LICENSE file that accompanied this code. |
| 10 | * |
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 14 | * version 2 for more details (a copy is included in the LICENSE file that |
| 15 | * accompanied this code). |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License version |
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | * |
| 21 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | package javax.swing.text.html.parser; |
| 27 | |
| 28 | import java.util.Hashtable; |
| 29 | import java.io.IOException; |
| 30 | import java.io.InputStream; |
| 31 | import java.io.InputStreamReader; |
| 32 | import java.io.Reader; |
| 33 | import java.io.CharArrayReader; |
| 34 | import java.net.URL; |
| 35 | |
| 36 | /** |
| 37 | * An entity is described in a DTD using the ENTITY construct. |
| 38 | * It defines the type and value of the the entity. |
| 39 | * |
| 40 | * @see DTD |
| 41 | * @author Arthur van Hoff |
| 42 | */ |
| 43 | public final |
| 44 | class Entity implements DTDConstants { |
| 45 | public String name; |
| 46 | public int type; |
| 47 | public char data[]; |
| 48 | |
| 49 | /** |
| 50 | * Creates an entity. |
| 51 | * @param name the name of the entity |
| 52 | * @param type the type of the entity |
| 53 | * @param data the char array of data |
| 54 | */ |
| 55 | public Entity(String name, int type, char data[]) { |
| 56 | this.name = name; |
| 57 | this.type = type; |
| 58 | this.data = data; |
| 59 | } |
| 60 | |
| 61 | /** |
| 62 | * Gets the name of the entity. |
| 63 | * @return the name of the entity, as a <code>String</code> |
| 64 | */ |
| 65 | public String getName() { |
| 66 | return name; |
| 67 | } |
| 68 | |
| 69 | /** |
| 70 | * Gets the type of the entity. |
| 71 | * @return the type of the entity |
| 72 | */ |
| 73 | public int getType() { |
| 74 | return type & 0xFFFF; |
| 75 | } |
| 76 | |
| 77 | /** |
| 78 | * Returns <code>true</code> if it is a parameter entity. |
| 79 | * @return <code>true</code> if it is a parameter entity |
| 80 | */ |
| 81 | public boolean isParameter() { |
| 82 | return (type & PARAMETER) != 0; |
| 83 | } |
| 84 | |
| 85 | /** |
| 86 | * Returns <code>true</code> if it is a general entity. |
| 87 | * @return <code>true</code> if it is a general entity |
| 88 | */ |
| 89 | public boolean isGeneral() { |
| 90 | return (type & GENERAL) != 0; |
| 91 | } |
| 92 | |
| 93 | /** |
| 94 | * Returns the <code>data</code>. |
| 95 | * @return the <code>data</code> |
| 96 | */ |
| 97 | public char getData()[] { |
| 98 | return data; |
| 99 | } |
| 100 | |
| 101 | /** |
| 102 | * Returns the data as a <code>String</code>. |
| 103 | * @return the data as a <code>String</code> |
| 104 | */ |
| 105 | public String getString() { |
| 106 | return new String(data, 0, data.length); |
| 107 | } |
| 108 | |
| 109 | |
| 110 | static Hashtable entityTypes = new Hashtable(); |
| 111 | |
| 112 | static { |
| 113 | entityTypes.put("PUBLIC", new Integer(PUBLIC)); |
| 114 | entityTypes.put("CDATA", new Integer(CDATA)); |
| 115 | entityTypes.put("SDATA", new Integer(SDATA)); |
| 116 | entityTypes.put("PI", new Integer(PI)); |
| 117 | entityTypes.put("STARTTAG", new Integer(STARTTAG)); |
| 118 | entityTypes.put("ENDTAG", new Integer(ENDTAG)); |
| 119 | entityTypes.put("MS", new Integer(MS)); |
| 120 | entityTypes.put("MD", new Integer(MD)); |
| 121 | entityTypes.put("SYSTEM", new Integer(SYSTEM)); |
| 122 | } |
| 123 | |
| 124 | /** |
| 125 | * Converts <code>nm</code> string to the corresponding |
| 126 | * entity type. If the string does not have a corresponding |
| 127 | * entity type, returns the type corresponding to "CDATA". |
| 128 | * Valid entity types are: "PUBLIC", "CDATA", "SDATA", "PI", |
| 129 | * "STARTTAG", "ENDTAG", "MS", "MD", "SYSTEM". |
| 130 | * |
| 131 | * @param nm the string to be converted |
| 132 | * @return the corresponding entity type, or the type corresponding |
| 133 | * to "CDATA", if none exists |
| 134 | */ |
| 135 | public static int name2type(String nm) { |
| 136 | Integer i = (Integer)entityTypes.get(nm); |
| 137 | return (i == null) ? CDATA : i.intValue(); |
| 138 | } |
| 139 | } |