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| 1 | +/* | |
| 2 | + * Copyright (c) 2004, Oracle and/or its affiliates. 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. Oracle designates this | |
| 8 | + * particular file as subject to the "Classpath" exception as provided | |
| 9 | + * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 22 | + * or visit www.oracle.com if you need additional information or have any | |
| 23 | + * questions. | |
| 24 | + */ | |
| 25 | + | |
| 26 | +package sun.tools.jstat; | |
| 27 | + | |
| 28 | +import java.io.StreamTokenizer; | |
| 29 | + | |
| 30 | +/** | |
| 31 | + * A class for encapsulating tokens returned from StreamTokenizer primarily | |
| 32 | + * for output formatting purposes. | |
| 33 | + * | |
| 34 | + * @author Brian Doherty | |
| 35 | + * @since 1.5 | |
| 36 | + */ | |
| 37 | +public class Token { | |
| 38 | + public String sval; | |
| 39 | + public double nval; | |
| 40 | + public int ttype; | |
| 41 | + | |
| 42 | + public Token(int ttype, String sval, double nval) { | |
| 43 | + this.ttype = ttype; | |
| 44 | + this.sval = sval; | |
| 45 | + this.nval = nval; | |
| 46 | + } | |
| 47 | + | |
| 48 | + public Token(int ttype, String sval) { | |
| 49 | + this(ttype, sval, 0); | |
| 50 | + } | |
| 51 | + | |
| 52 | + public Token(int ttype) { | |
| 53 | + this(ttype, null, 0); | |
| 54 | + } | |
| 55 | + | |
| 56 | + public String toMessage() { | |
| 57 | + switch(ttype) { | |
| 58 | + case StreamTokenizer.TT_EOL: | |
| 59 | + return "\"EOL\""; | |
| 60 | + case StreamTokenizer.TT_EOF: | |
| 61 | + return "\"EOF\""; | |
| 62 | + case StreamTokenizer.TT_NUMBER: | |
| 63 | + return "NUMBER"; | |
| 64 | + case StreamTokenizer.TT_WORD: | |
| 65 | + if (sval == null) { | |
| 66 | + return "IDENTIFIER"; | |
| 67 | + } else { | |
| 68 | + return "IDENTIFIER " + sval; | |
| 69 | + } | |
| 70 | + default: | |
| 71 | + if (ttype == (int)'"') { | |
| 72 | + String msg = "QUOTED STRING"; | |
| 73 | + if (sval != null) | |
| 74 | + msg = msg + " \"" + sval + "\""; | |
| 75 | + return msg; | |
| 76 | + } else { | |
| 77 | + return "CHARACTER \'" + (char)ttype + "\'"; | |
| 78 | + } | |
| 79 | + } | |
| 80 | + } | |
| 81 | + | |
| 82 | + public String toString() { | |
| 83 | + StringBuilder sb = new StringBuilder(); | |
| 84 | + switch(ttype) { | |
| 85 | + case StreamTokenizer.TT_EOL: | |
| 86 | + sb.append("ttype=TT_EOL"); | |
| 87 | + break; | |
| 88 | + case StreamTokenizer.TT_EOF: | |
| 89 | + sb.append("ttype=TT_EOF"); | |
| 90 | + break; | |
| 91 | + case StreamTokenizer.TT_NUMBER: | |
| 92 | + sb.append("ttype=TT_NUM,").append("nval="+nval); | |
| 93 | + break; | |
| 94 | + case StreamTokenizer.TT_WORD: | |
| 95 | + if (sval == null) { | |
| 96 | + sb.append("ttype=TT_WORD:IDENTIFIER"); | |
| 97 | + } else { | |
| 98 | + sb.append("ttype=TT_WORD:").append("sval="+sval); | |
| 99 | + } | |
| 100 | + break; | |
| 101 | + default: | |
| 102 | + if (ttype == (int)'"') { | |
| 103 | + sb.append("ttype=TT_STRING:").append("sval="+sval); | |
| 104 | + } else { | |
| 105 | + sb.append("ttype=TT_CHAR:").append((char)ttype); | |
| 106 | + } | |
| 107 | + break; | |
| 108 | + } | |
| 109 | + return sb.toString(); | |
| 110 | + } | |
| 111 | +} | |