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1b2798f6 EK |
1 | package no.uio.ifi.refaktor.prefix; |
2 | ||
3 | import java.util.HashMap; | |
4 | import java.util.Iterator; | |
5 | import java.util.LinkedList; | |
6 | import java.util.Map; | |
7 | ||
8 | import no.uio.ifi.refaktor.analyze.analyzers.ExtractAndMoveMethodAnalyzer; | |
9 | ||
10 | import org.eclipse.jdt.core.dom.IBinding; | |
11 | ||
12 | /** | |
13 | * A set for collecting prefixes (see {@link Prefix}}). | |
14 | * | |
15 | * It can increment a counter in a prefix each time an equal | |
16 | * prefix is registered with the set. In addition | |
17 | * it can produce the set that is this set, minus the | |
18 | * prefixes from another set that are enclosed by the | |
19 | * prefixes in this set. | |
20 | */ | |
21 | public class PrefixSet implements Iterable<Prefix> { | |
22 | ||
23 | final Map<Prefix, Prefix> prefixes = new HashMap<Prefix, Prefix>(); | |
24 | ||
25 | public PrefixSet() { | |
26 | } | |
27 | ||
28 | private PrefixSet(PrefixSet initialElements) { | |
29 | initialElements.generated_6159305087095010416(this); | |
30 | } | |
31 | ||
32 | public void add(Prefix prefix) { | |
33 | assert prefix != null: "A " + this.getClass().getName() + " will not accept a null value"; | |
34 | ||
35 | prefix.generated_7681675865424797515(this); | |
36 | } | |
37 | ||
38 | void remove(Prefix prefix) { | |
39 | prefixes.remove(prefix); | |
40 | } | |
41 | ||
42 | public boolean contains(Prefix prefix) { | |
43 | boolean res = prefixes.containsKey(prefix); | |
44 | // TODO: Show prefixes in debugging output as well? | |
45 | if (res) | |
46 | prefix.generated_1397335264344119528(this); | |
47 | else | |
48 | assert get(prefix) == null : prefix; | |
49 | return res; | |
50 | } | |
51 | ||
52 | @Override | |
53 | public Iterator<Prefix> iterator() { | |
54 | return prefixes.values().iterator(); | |
55 | } | |
56 | ||
57 | public boolean isEmpty() { | |
58 | return prefixes.isEmpty(); | |
59 | } | |
60 | ||
61 | public LinkedList<Prefix> toList() { | |
62 | return new LinkedList<Prefix>(prefixes.values()); | |
63 | } | |
64 | ||
65 | public Prefix get(Prefix prefix) { | |
66 | return prefixes.get(prefix); | |
67 | } | |
68 | ||
69 | public void registerAllSubPrefixesOf(Prefix prefix) { | |
70 | for (Prefix p: prefix.getSubPrefixes()) | |
71 | register(p); | |
72 | } | |
73 | ||
74 | private void register(Prefix prefix) { | |
75 | prefix.generated_57330167832506990(this); | |
76 | } | |
77 | ||
78 | @Override | |
79 | public String toString() { | |
80 | String str = ""; | |
81 | for (Prefix p: this) { | |
82 | str = p.generated_797445745298232673(str); | |
83 | } | |
84 | return str; | |
85 | } | |
86 | ||
87 | /** | |
88 | * Creates a set of prefixes that are the prefixes of this set, | |
89 | * minus the prefixes that are enclosing the prefixes of the | |
90 | * other set. A prefix is enclosing another if the other prefix | |
91 | * is a sub-prefix of the first prefix. | |
92 | * | |
93 | * @param other The set of prefixes that are to be checked against this one. | |
94 | * @return The set of prefixes that are not enclosing the ones in the other set. | |
95 | */ | |
96 | public PrefixSet minusEnclosedPrefixesFrom(PrefixSet other) { | |
97 | PrefixSet prefixSet = shallowCopy(); | |
98 | return prefixSet.generated_2595563403172319290(other, this); | |
99 | } | |
100 | ||
101 | private PrefixSet shallowCopy() { | |
102 | return new PrefixSet(this); | |
103 | } | |
104 | ||
105 | private void removeEnclosingPrefixesFromPrefixSet(PrefixSet prefixSet, PrefixSet other) { | |
106 | for (Prefix p: other) { | |
107 | for (Prefix prefix: this) { | |
108 | prefix.generated_9031955363082597180(prefixSet, p); | |
109 | } | |
110 | } | |
111 | } | |
112 | ||
113 | public void clear() { | |
114 | prefixes.clear(); | |
115 | } | |
116 | ||
117 | public int size() { | |
118 | return prefixes.size(); | |
119 | } | |
120 | ||
121 | public boolean generated_1969731573483763072() { | |
122 | IBinding binding = toList().getFirst().getVariableBindingOfFirstExpression(); | |
123 | for (Prefix prefix: this) { | |
124 | if (!prefix.getVariableBindingOfFirstExpression().isEqualTo(binding)) | |
125 | return true; | |
126 | } | |
127 | return false; | |
128 | } | |
129 | ||
130 | public PrefixSet generated_4055185070511117122(ExtractAndMoveMethodAnalyzer extractandmovemethodanalyzer) { | |
131 | extractandmovemethodanalyzer.removeUnusablePrefixes(this); | |
132 | return this; | |
133 | } | |
134 | ||
135 | public void generated_6159305087095010416(PrefixSet prefixset) { | |
136 | prefixset.prefixes.putAll(prefixes); | |
137 | } | |
138 | ||
139 | public PrefixSet generated_2595563403172319290(PrefixSet other, PrefixSet prefixset) { | |
140 | prefixset.removeEnclosingPrefixesFromPrefixSet(this, other); | |
141 | return this; | |
142 | } | |
143 | } |