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1 | /******************************************************************************* |
2 | * Copyright (c) 2011-2012 Ericsson, Ecole Polytechnique de Montreal and others | |
3 | * | |
4 | * All rights reserved. This program and the accompanying materials are made | |
5 | * available under the terms of the Eclipse Public License v1.0 which | |
6 | * accompanies this distribution, and is available at | |
7 | * http://www.eclipse.org/legal/epl-v10.html | |
8 | * | |
9 | * Contributors: Matthew Khouzam - Initial API and implementation | |
10 | * Contributors: Simon Marchi - Initial API and implementation | |
11 | *******************************************************************************/ | |
12 | ||
13 | package org.eclipse.linuxtools.ctf.core.event.types; | |
14 | ||
ce2388e0 | 15 | import org.eclipse.linuxtools.internal.ctf.core.event.io.BitBuffer; |
866e5b51 FC |
16 | |
17 | /** | |
18 | * <b><u>EnumDefinition</u></b> | |
19 | */ | |
20 | public class EnumDefinition extends Definition { | |
21 | ||
22 | // ------------------------------------------------------------------------ | |
23 | // Attributes | |
24 | // ------------------------------------------------------------------------ | |
25 | ||
26 | private final EnumDeclaration declaration; | |
27 | ||
28 | private final IntegerDefinition integerValue; | |
29 | ||
30 | private String value; | |
31 | ||
32 | // ------------------------------------------------------------------------ | |
33 | // Constructors | |
34 | // ------------------------------------------------------------------------ | |
35 | ||
9ac2eb62 MK |
36 | /** |
37 | * Constructor | |
38 | * @param declaration the parent declaration | |
39 | * @param definitionScope the parent scope | |
40 | * @param fieldName the field name | |
41 | */ | |
866e5b51 FC |
42 | public EnumDefinition(EnumDeclaration declaration, |
43 | IDefinitionScope definitionScope, String fieldName) { | |
44 | super(definitionScope, fieldName); | |
45 | ||
46 | this.declaration = declaration; | |
47 | ||
48 | integerValue = declaration.getContainerType().createDefinition( | |
49 | definitionScope, fieldName); | |
50 | value = ((Long) integerValue.getValue()).toString(); | |
51 | } | |
52 | ||
53 | // ------------------------------------------------------------------------ | |
54 | // Getters/Setters/Predicates | |
55 | // ------------------------------------------------------------------------ | |
56 | ||
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57 | /** |
58 | * Gets the value of the enum in string format so "Enum a{DAY="0", NIGHT="1"}; will return "DAY" | |
59 | * @return the value of the enum. | |
60 | */ | |
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61 | public String getValue() { |
62 | return value; | |
63 | } | |
64 | ||
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65 | /** |
66 | * Gets the value of the enum in string format so "Enum a{DAY="0", NIGHT="1"}; will return 0 | |
67 | * @return the value of the enum. | |
68 | */ | |
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69 | public long getIntegerValue() { |
70 | return integerValue.getValue(); | |
71 | } | |
72 | ||
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73 | /** |
74 | * Sets the value of the enum in string format so "Enum a{DAY="0", NIGHT="1"}; will set 0 | |
75 | * @param Value The value of the enum. | |
76 | */ | |
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77 | public void setIntegerValue(long Value) { |
78 | integerValue.setValue(Value); | |
79 | value = ((Long) integerValue.getValue()).toString(); | |
80 | } | |
81 | ||
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82 | @Override |
83 | public EnumDeclaration getDeclaration() { | |
84 | return declaration; | |
85 | } | |
86 | ||
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87 | // ------------------------------------------------------------------------ |
88 | // Operations | |
89 | // ------------------------------------------------------------------------ | |
90 | ||
91 | @Override | |
92 | public void read(BitBuffer input) { | |
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93 | int align = (int) declaration.getAlignment(); |
94 | int pos = input.position() + ((align-(input.position() % align))%align); | |
95 | input.position(pos); | |
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96 | integerValue.read(input); |
97 | long val = integerValue.getValue(); | |
98 | ||
99 | // TODO: what to do if the integer value maps to no string for this | |
100 | // integer ? | |
101 | value = declaration.query(val); | |
102 | } | |
103 | ||
104 | } |