]> gitweb.fperrin.net Git - DictionaryPC.git/blob - src/com/hughes/android/dictionary/engine/IndexBuilder.java
Minor automated code simplifications.
[DictionaryPC.git] / src / com / hughes / android / dictionary / engine / IndexBuilder.java
1 // Copyright 2011 Google Inc. All Rights Reserved.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 //     http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14
15 package com.hughes.android.dictionary.engine;
16
17 import java.util.ArrayList;
18 import java.util.Collections;
19 import java.util.Comparator;
20 import java.util.EnumMap;
21 import java.util.HashSet;
22 import java.util.List;
23 import java.util.Map;
24 import java.util.Set;
25 import java.util.SortedMap;
26 import java.util.TreeMap;
27
28 import com.hughes.android.dictionary.engine.Index.IndexEntry;
29 import com.hughes.android.dictionary.parser.DictFileParser;
30
31 public class IndexBuilder {
32
33     final DictionaryBuilder dictionaryBuilder;
34     public final Index index;
35     final Set<String> stoplist;
36
37     final SortedMap<String, TokenData> tokenToData;
38
39     IndexBuilder(final DictionaryBuilder dictionaryBuilder, final String shortName, final String longName, final Language language, final String normalizerRules, final Set<String> stoplist, final boolean swapPairEntries) {
40         this.dictionaryBuilder = dictionaryBuilder;
41         index = new Index(dictionaryBuilder.dictionary, shortName, longName, language, normalizerRules, swapPairEntries, stoplist);
42         tokenToData = new TreeMap<>(index.getSortComparator());
43         this.stoplist = stoplist;
44     }
45
46     public void build() {
47         final Set<IndexedEntry> tokenIndexedEntries = new HashSet<>();
48         final List<RowBase> rows = index.rows;
49         index.mainTokenCount = 0;
50         for (final TokenData tokenData : tokenToData.values()) {
51             tokenIndexedEntries.clear();
52             final int indexIndex = index.sortedIndexEntries.size();
53             final int startRow = rows.size();
54
55             TokenRow tokenRow = null;
56             if (!tokenData.htmlEntries.isEmpty()) {
57                 tokenRow = new TokenRow(indexIndex, rows.size(), index, tokenData.hasMainEntry);
58                 rows.add(tokenRow);
59             }
60
61 //    System.out.println("Added TokenRow: " + rows.get(rows.size() - 1));
62
63             int numRows = 0;  // off by one--doesn't count the token row!
64 //      System.out.println("TOKEN: " + tokenData.token);
65             for (final Map.Entry<EntryTypeName, List<IndexedEntry>> typeToIndexedEntries : tokenData.typeToEntries.entrySet()) {
66                 for (final IndexedEntry indexedEntry : typeToIndexedEntries.getValue()) {
67                     if (!indexedEntry.isValid) {
68                         continue;
69                     }
70
71                     if (tokenRow == null) {
72                         tokenRow = new TokenRow(indexIndex, rows.size(), index, tokenData.hasMainEntry);
73                         rows.add(tokenRow);
74                     }
75
76                     if (indexedEntry.entry.index() == -1) {
77                         indexedEntry.entry.addToDictionary(dictionaryBuilder.dictionary);
78                         assert indexedEntry.entry.index() >= 0;
79                     }
80                     if (tokenIndexedEntries.add(indexedEntry) && !tokenData.htmlEntries.contains(indexedEntry.entry)) {
81                         rows.add(indexedEntry.entry.CreateRow(rows.size(), index));
82                         ++indexedEntry.entry.entrySource.numEntries;
83                         ++numRows;
84
85 //            System.out.print("  " + typeToEntry.getKey() + ": ");
86                         //          rows.get(rows.size() - 1).print(System.out);
87 //            System.out.println();
88                     }
89                 }
90             }
91
92             if (tokenRow != null) {
93                 if (tokenRow.hasMainEntry) {
94                     index.mainTokenCount++;
95                 }
96
97                 final Index.IndexEntry indexEntry = new Index.IndexEntry(index, tokenData.token, index
98                         .normalizer().transliterate(tokenData.token), startRow, numRows);
99                 indexEntry.htmlEntries.addAll(tokenData.htmlEntries);
100                 index.sortedIndexEntries.add(indexEntry);
101             }
102         }
103
104         final List<IndexEntry> entriesSortedByNumRows = new ArrayList<>(index.sortedIndexEntries);
105         entriesSortedByNumRows.sort((object1, object2) -> object2.numRows - object1.numRows);
106         System.out.println("Most common tokens:");
107         for (int i = 0; i < 50 && i < entriesSortedByNumRows.size(); ++i) {
108             System.out.println("  " + entriesSortedByNumRows.get(i));
109         }
110     }
111
112     public static class TokenData {
113         final String token;
114
115         final Map<EntryTypeName, List<IndexedEntry>> typeToEntries = new EnumMap<>(EntryTypeName.class);
116         public boolean hasMainEntry = false;
117
118         public final List<HtmlEntry> htmlEntries = new ArrayList<>();
119
120         TokenData(final String token) {
121             assert token.equals(token.trim());
122             assert token.length() > 0;
123             this.token = token;
124         }
125     }
126
127     public TokenData getOrCreateTokenData(final String token) {
128         TokenData tokenData = tokenToData.get(token);
129         if (tokenData == null) {
130             tokenData = new TokenData(token);
131             tokenToData.put(token, tokenData);
132         }
133         return tokenData;
134     }
135
136     private List<IndexedEntry> getOrCreateEntries(final String token, final EntryTypeName entryTypeName) {
137         final TokenData tokenData = getOrCreateTokenData(token);
138         List<IndexedEntry> entries = tokenData.typeToEntries.get(entryTypeName);
139         if (entryTypeName.mainWord) {
140             tokenData.hasMainEntry = true;
141         }
142         if (entries == null) {
143             entries = new ArrayList<>();
144             tokenData.typeToEntries.put(entryTypeName, entries);
145         }
146         return entries;
147     }
148
149     public void addEntryWithTokens(final IndexedEntry indexedEntry, final Set<String> tokens,
150                                    final EntryTypeName entryTypeName) {
151         if (indexedEntry == null) {
152             System.out.println("asdfasdf");
153         }
154         assert indexedEntry != null;
155         for (final String token : tokens) {
156             if (entryTypeName.overridesStopList || !stoplist.contains(token)) {
157                 getOrCreateEntries(token, entryTypeName).add(indexedEntry);
158             }
159         }
160     }
161
162     public void addEntryWithString(final IndexedEntry indexedEntry, final String untokenizedString,
163                                    final EntryTypeName entryTypeName) {
164         final Set<String> tokens = DictFileParser.tokenize(untokenizedString, DictFileParser.NON_CHAR);
165         addEntryWithTokens(indexedEntry, tokens, tokens.size() == 1 ? entryTypeName.singleWordInstance : entryTypeName);
166     }
167
168     public void addEntryWithStringNoSingle(final IndexedEntry indexedEntry, final String untokenizedString,
169                                            final EntryTypeName entryTypeName) {
170         final Set<String> tokens = DictFileParser.tokenize(untokenizedString, DictFileParser.NON_CHAR);
171         addEntryWithTokens(indexedEntry, tokens, entryTypeName);
172     }
173 }