aboutsummaryrefslogtreecommitdiff
path: root/ext/mixed/js/dictionary-data-util.js
blob: 1e82ef63abc5f7f19f34fb654dd2432e7810ccb5 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
/*
 * Copyright (C) 2020-2021  Yomichan Authors
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

class DictionaryDataUtil {
    static groupTermFrequencies(frequencies) {
        const map1 = new Map();
        for (const {dictionary, expression, reading, hasReading, frequency} of frequencies) {
            let map2 = map1.get(dictionary);
            if (typeof map2 === 'undefined') {
                map2 = new Map();
                map1.set(dictionary, map2);
            }

            const readingKey = hasReading ? reading : null;
            const key = JSON.stringify([expression, readingKey], null, 0);
            let frequencyData = map2.get(key);
            if (typeof frequencyData === 'undefined') {
                frequencyData = {expression, reading: readingKey, frequencies: new Set()};
                map2.set(key, frequencyData);
            }

            frequencyData.frequencies.add(frequency);
        }
        return this._createFrequencyGroupsFromMap(map1);
    }

    static groupKanjiFrequencies(frequencies) {
        const map1 = new Map();
        for (const {dictionary, character, frequency} of frequencies) {
            let map2 = map1.get(dictionary);
            if (typeof map2 === 'undefined') {
                map2 = new Map();
                map1.set(dictionary, map2);
            }

            let frequencyData = map2.get(character);
            if (typeof frequencyData === 'undefined') {
                frequencyData = {character, frequencies: new Set()};
                map2.set(character, frequencyData);
            }

            frequencyData.frequencies.add(frequency);
        }
        return this._createFrequencyGroupsFromMap(map1);
    }

    static getPitchAccentInfos(definition) {
        if (definition.type === 'kanji') { return []; }

        const results = new Map();
        const allExpressions = new Set();
        const allReadings = new Set();

        for (let {expression, reading, pitches: expressionPitches} of definition.expressions) {
            if (reading.length === 0) { reading = expression; }
            allExpressions.add(expression);
            allReadings.add(reading);

            for (const {pitches, dictionary} of expressionPitches) {
                let dictionaryResults = results.get(dictionary);
                if (typeof dictionaryResults === 'undefined') {
                    dictionaryResults = [];
                    results.set(dictionary, dictionaryResults);
                }

                for (const {position, tags} of pitches) {
                    let pitchAccentInfo = this._findExistingPitchAccentInfo(reading, position, tags, dictionaryResults);
                    if (pitchAccentInfo === null) {
                        pitchAccentInfo = {expressions: new Set(), reading, position, tags};
                        dictionaryResults.push(pitchAccentInfo);
                    }
                    pitchAccentInfo.expressions.add(expression);
                }
            }
        }

        const multipleReadings = (allReadings.size > 1);
        for (const dictionaryResults of results.values()) {
            for (const result of dictionaryResults) {
                const exclusiveExpressions = [];
                const exclusiveReadings = [];
                const resultExpressions = result.expressions;
                if (!this._areSetsEqual(resultExpressions, allExpressions)) {
                    exclusiveExpressions.push(...this._getSetIntersection(resultExpressions, allExpressions));
                }
                if (multipleReadings) {
                    exclusiveReadings.push(result.reading);
                }
                result.expressions = [...resultExpressions];
                result.exclusiveExpressions = exclusiveExpressions;
                result.exclusiveReadings = exclusiveReadings;
            }
        }

        const results2 = [];
        for (const [dictionary, pitches] of results.entries()) {
            results2.push({dictionary, pitches});
        }
        return results2;
    }

    // Private

    static _createFrequencyGroupsFromMap(map) {
        const results = [];
        for (const [dictionary, map2] of map.entries()) {
            const frequencyDataArray = [];
            for (const frequencyData of map2.values()) {
                frequencyData.frequencies = [...frequencyData.frequencies];
                frequencyDataArray.push(frequencyData);
            }
            results.push({dictionary, frequencyData: frequencyDataArray});
        }
        return results;
    }

    static _findExistingPitchAccentInfo(reading, position, tags, pitchAccentInfoList) {
        for (const pitchInfo of pitchAccentInfoList) {
            if (
                pitchInfo.reading === reading &&
                pitchInfo.position === position &&
                this._areTagListsEqual(pitchInfo.tags, tags)
            ) {
                return pitchInfo;
            }
        }
        return null;
    }

    static _areTagListsEqual(tagList1, tagList2) {
        const ii = tagList1.length;
        if (tagList2.length !== ii) { return false; }

        for (let i = 0; i < ii; ++i) {
            const tag1 = tagList1[i];
            const tag2 = tagList2[i];
            if (tag1.name !== tag2.name || tag1.dictionary !== tag2.dictionary) {
                return false;
            }
        }

        return true;
    }

    static _areSetsEqual(set1, set2) {
        if (set1.size !== set2.size) {
            return false;
        }

        for (const value of set1) {
            if (!set2.has(value)) {
                return false;
            }
        }

        return true;
    }

    static _getSetIntersection(set1, set2) {
        const result = [];
        for (const value of set1) {
            if (set2.has(value)) {
                result.push(value);
            }
        }
        return result;
    }
}