aboutsummaryrefslogtreecommitdiff
path: root/ext/bg/js/util.js
blob: 1212fa44b6eca76cb97e974baf8d64db103601b6 (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
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
/*
 * Copyright (C) 2016  Alex Yatskov <alex@foosoft.net>
 * Author: Alex Yatskov <alex@foosoft.net>
 *
 * 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 <http://www.gnu.org/licenses/>.
 */


function kanjiLinks(options) {
    let result = '';
    for (const c of options.fn(this)) {
        if (isKanji(c)) {
            result += Handlebars.templates['kanji-link.html']({kanji: c}).trim();
        } else {
            result += c;
        }
    }

    return result;
}

function isKanji(c) {
    const code = c.charCodeAt(0);
    return code >= 0x4e00 && code < 0x9fb0 || code >= 0x3400 && code < 0x4dc0;
}

function promiseCallback(promise, callback) {
    return promise.then(result => {
       callback({result});
    }).catch(error => {
        console.log(error);
        callback({error});
    });
}

function sortTags(tags) {
    return tags.sort((v1, v2) => {
        const order1 = v1.order;
        const order2 = v2.order;
        if (order1 < order2) {
            return -1;
        } else if (order1 > order2) {
            return 1;
        }

        const name1 = v1.name;
        const name2 = v2.name;
        if (name1 < name2) {
            return -1;
        } else if (name1 > name2) {
            return 1;
        }

        return 0;
    });
}

function sortTermDefs(definitions) {
    return definitions.sort((v1, v2) => {
        const sl1 = v1.source.length;
        const sl2 = v2.source.length;
        if (sl1 > sl2) {
            return -1;
        } else if (sl1 < sl2) {
            return 1;
        }

        const s1 = v1.score;
        const s2 = v2.score;
        if (s1 > s2) {
            return -1;
        } else if (s1 < s2) {
            return 1;
        }

        const rl1 = v1.reasons.length;
        const rl2 = v2.reasons.length;
        if (rl1 < rl2) {
            return -1;
        } else if (rl1 > rl2) {
            return 1;
        }

        return v2.expression.localeCompare(v1.expression);
    });
}

function undupeTermDefs(definitions) {
    const definitionGroups = {};
    for (const definition of definitions) {
        const definitionExisting = definitionGroups[definition.id];
        if (!definitionGroups.hasOwnProperty(definition.id) || definition.expression.length > definitionExisting.expression.length) {
            definitionGroups[definition.id] = definition;
        }
    }

    const definitionsUnique = [];
    for (const key in definitionGroups) {
        definitionsUnique.push(definitionGroups[key]);
    }

    return definitionsUnique;
}

function buildDictTag(name) {
    return sanitizeTag({name, category: 'dictionary', order: 100});
}

function buildTag(name, meta) {
    const tag = {name};
    const symbol = name.split(':')[0];
    for (const prop in meta[symbol] || {}) {
        tag[prop] = meta[symbol][prop];
    }

    return sanitizeTag(tag);
}

function sanitizeTag(tag) {
    tag.name = tag.name || 'untitled';
    tag.category = tag.category || 'default';
    tag.notes = tag.notes || '';
    tag.order = tag.order || 0;
    return tag;
}

function splitField(field) {
    return field.length === 0 ? [] : field.split(' ');
}

function loadJson(url) {
    return new Promise((resolve, reject) => {
        const xhr = new XMLHttpRequest();
        xhr.addEventListener('load', () => resolve(xhr.responseText));
        xhr.addEventListener('error', () => reject('failed to execute network request'));
        xhr.open('GET', url);
        xhr.send();
    }).then(responseText => {
        try {
            return JSON.parse(responseText);
        }
        catch (e) {
            return Promise.reject('invalid JSON response');
        }
    });
}

function loadJsonInt(url) {
    return loadJson(chrome.extension.getURL(url));
}

function importJsonDb(indexUrl, indexLoaded, termsLoaded, kanjiLoaded) {
    const indexDir = indexUrl.slice(0, indexUrl.lastIndexOf('/'));
    return loadJson(indexUrl).then(index => {
        if (!index.title || !index.version || !index.revision) {
            return Promise.reject('unrecognized dictionary format');
        }

        if (indexLoaded !== null) {
            return indexLoaded(
                index.title,
                index.version,
                index.revision,
                index.tagMeta || {},
                index.termBanks > 0,
                index.kanjiBanks > 0
            ).then(() => index);
        }

        return index;
    }).then(index => {
        const loaders = [];
        const banksTotal = index.termBanks + index.kanjiBanks;
        let banksLoaded = 0;

        for (let i = 1; i <= index.termBanks; ++i) {
            const bankUrl = `${indexDir}/term_bank_${i}.json`;
            loaders.push(() => loadJson(bankUrl).then(entries => termsLoaded(
                index.title,
                entries,
                banksTotal,
                banksLoaded++
            )));
        }

        for (let i = 1; i <= index.kanjiBanks; ++i) {
            const bankUrl = `${indexDir}/kanji_bank_${i}.json`;
            loaders.push(() => loadJson(bankUrl).then(entries => kanjiLoaded(
                index.title,
                entries,
                banksTotal,
                banksLoaded++
            )));
        }

        let chain = Promise.resolve();
        for (const loader of loaders) {
            chain = chain.then(loader);
        }

        return chain;
    });
}