yomichan/ext/bg/js/util.js
2020-03-30 20:45:36 -04:00

145 lines
4.3 KiB
JavaScript

/*
* Copyright (C) 2016-2020 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 <https://www.gnu.org/licenses/>.
*/
function utilIsolate(value) {
if (value === null) { return null; }
switch (typeof value) {
case 'boolean':
case 'number':
case 'string':
case 'bigint':
case 'symbol':
return value;
}
const stringValue = JSON.stringify(value);
return typeof stringValue === 'string' ? JSON.parse(stringValue) : null;
}
function utilFunctionIsolate(func) {
return function isolatedFunction(...args) {
try {
args = args.map((v) => utilIsolate(v));
return func.call(this, ...args);
} catch (e) {
try {
String(func);
} catch (e2) {
// Dead object
return;
}
throw e;
}
};
}
function utilBackgroundIsolate(data) {
const backgroundPage = chrome.extension.getBackgroundPage();
return backgroundPage.utilIsolate(data);
}
function utilBackgroundFunctionIsolate(func) {
const backgroundPage = chrome.extension.getBackgroundPage();
return backgroundPage.utilFunctionIsolate(func);
}
function utilStringHashCode(string) {
let hashCode = 0;
if (typeof string !== 'string') { return hashCode; }
for (let i = 0, charCode = string.charCodeAt(i); i < string.length; charCode = string.charCodeAt(++i)) {
hashCode = ((hashCode << 5) - hashCode) + charCode;
hashCode |= 0;
}
return hashCode;
}
function utilBackend() {
const backend = chrome.extension.getBackgroundPage().yomichanBackend;
if (!backend.isPrepared) {
throw new Error('Backend not ready yet');
}
return backend;
}
async function utilAnkiGetModelNames() {
return utilIsolate(await utilBackend().anki.getModelNames());
}
async function utilAnkiGetDeckNames() {
return utilIsolate(await utilBackend().anki.getDeckNames());
}
async function utilDatabaseGetDictionaryInfo() {
return utilIsolate(await utilBackend().translator.database.getDictionaryInfo());
}
async function utilDatabaseGetDictionaryCounts(dictionaryNames, getTotal) {
return utilIsolate(await utilBackend().translator.database.getDictionaryCounts(
utilBackgroundIsolate(dictionaryNames),
utilBackgroundIsolate(getTotal)
));
}
async function utilAnkiGetModelFieldNames(modelName) {
return utilIsolate(await utilBackend().anki.getModelFieldNames(
utilBackgroundIsolate(modelName)
));
}
async function utilDatabasePurge() {
return utilIsolate(await utilBackend().translator.purgeDatabase());
}
async function utilDatabaseDeleteDictionary(dictionaryName, onProgress) {
return utilIsolate(await utilBackend().translator.database.deleteDictionary(
utilBackgroundIsolate(dictionaryName),
utilBackgroundFunctionIsolate(onProgress)
));
}
async function utilDatabaseImport(data, onProgress, details) {
data = await utilReadFile(data);
return utilIsolate(await utilBackend().importDictionary(
utilBackgroundIsolate(data),
utilBackgroundFunctionIsolate(onProgress),
utilBackgroundIsolate(details)
));
}
function utilReadFile(file) {
return new Promise((resolve, reject) => {
const reader = new FileReader();
reader.onload = () => resolve(reader.result);
reader.onerror = () => reject(reader.error);
reader.readAsBinaryString(file);
});
}
function utilReadFileArrayBuffer(file) {
return new Promise((resolve, reject) => {
const reader = new FileReader();
reader.onload = () => resolve(reader.result);
reader.onerror = () => reject(reader.error);
reader.readAsArrayBuffer(file);
});
}