summaryrefslogtreecommitdiff
path: root/ext/bg/js/mecab.js
diff options
context:
space:
mode:
authortoasted-nutbread <toasted-nutbread@users.noreply.github.com>2021-02-14 11:19:54 -0500
committerGitHub <noreply@github.com>2021-02-14 11:19:54 -0500
commite419a418f6f03ef0a24330b67e7b76c5e3a7c22d (patch)
treea4c27bdfabc9280d9f6262d93d5152a58de8bc15 /ext/bg/js/mecab.js
parent43d1457ebfe23196348649c245dfb942a0f00a1a (diff)
Move bg/js (#1387)
* Move bg/js/anki.js to js/comm/anki.js * Move bg/js/mecab.js to js/comm/mecab.js * Move bg/js/search-main.js to js/display/search-main.js * Move bg/js/template-patcher.js to js/templates/template-patcher.js * Move bg/js/template-renderer-frame-api.js to js/templates/template-renderer-frame-api.js * Move bg/js/template-renderer-frame-main.js to js/templates/template-renderer-frame-main.js * Move bg/js/template-renderer-proxy.js to js/templates/template-renderer-proxy.js * Move bg/js/template-renderer.js to js/templates/template-renderer.js * Move bg/js/media-utility.js to js/media/media-utility.js * Move bg/js/native-simple-dom-parser.js to js/dom/native-simple-dom-parser.js * Move bg/js/simple-dom-parser.js to js/dom/simple-dom-parser.js * Move bg/js/audio-downloader.js to js/media/audio-downloader.js * Move bg/js/deinflector.js to js/language/deinflector.js * Move bg/js/backend.js to js/background/backend.js * Move bg/js/translator.js to js/language/translator.js * Move bg/js/search-display-controller.js to js/display/search-display-controller.js * Move bg/js/request-builder.js to js/background/request-builder.js * Move bg/js/text-source-map.js to js/general/text-source-map.js * Move bg/js/clipboard-reader.js to js/comm/clipboard-reader.js * Move bg/js/clipboard-monitor.js to js/comm/clipboard-monitor.js * Move bg/js/query-parser.js to js/display/query-parser.js * Move bg/js/profile-conditions.js to js/background/profile-conditions.js * Move bg/js/dictionary-database.js to js/language/dictionary-database.js * Move bg/js/dictionary-importer.js to js/language/dictionary-importer.js * Move bg/js/anki-note-builder.js to js/data/anki-note-builder.js * Move bg/js/anki-note-data.js to js/data/anki-note-data.js * Move bg/js/database.js to js/data/database.js * Move bg/js/json-schema.js to js/data/json-schema.js * Move bg/js/options.js to js/data/options-util.js * Move bg/js/background-main.js to js/background/background-main.js * Move bg/js/permissions-util.js to js/data/permissions-util.js * Move bg/js/context-main.js to js/pages/action-popup-main.js * Move bg/js/generic-page-main.js to js/pages/generic-page-main.js * Move bg/js/info-main.js to js/pages/info-main.js * Move bg/js/permissions-main.js to js/pages/permissions-main.js * Move bg/js/welcome-main.js to js/pages/welcome-main.js
Diffstat (limited to 'ext/bg/js/mecab.js')
-rw-r--r--ext/bg/js/mecab.js230
1 files changed, 0 insertions, 230 deletions
diff --git a/ext/bg/js/mecab.js b/ext/bg/js/mecab.js
deleted file mode 100644
index 4eff2927..00000000
--- a/ext/bg/js/mecab.js
+++ /dev/null
@@ -1,230 +0,0 @@
-/*
- * Copyright (C) 2019-2021 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/>.
- */
-
-/**
- * This class is used to connect Yomichan to a native component that is
- * used to parse text into individual terms.
- */
-class Mecab {
- /**
- * Creates a new instance of the class.
- */
- constructor() {
- this._port = null;
- this._sequence = 0;
- this._invocations = new Map();
- this._eventListeners = new EventListenerCollection();
- this._timeout = 5000;
- this._version = 1;
- this._remoteVersion = null;
- this._enabled = false;
- this._setupPortPromise = null;
- }
-
- /**
- * Returns whether or not the component is enabled.
- */
- isEnabled() {
- return this._enabled;
- }
-
- /**
- * Changes whether or not the component connection is enabled.
- * @param enabled A boolean indicating whether or not the component should be enabled.
- */
- setEnabled(enabled) {
- this._enabled = !!enabled;
- if (!this._enabled && this._port !== null) {
- this._clearPort();
- }
- }
-
- /**
- * Disconnects the current port, but does not disable future connections.
- */
- disconnect() {
- if (this._port !== null) {
- this._clearPort();
- }
- }
-
- /**
- * Returns whether or not the connection to the native application is active.
- * @returns `true` if the connection is active, `false` otherwise.
- */
- isConnected() {
- return (this._port !== null);
- }
-
- /**
- * Returns whether or not any invocation is currently active.
- * @returns `true` if an invocation is active, `false` otherwise.
- */
- isActive() {
- return (this._invocations.size > 0);
- }
-
- /**
- * Gets the local API version being used.
- * @returns An integer representing the API version that Yomichan uses.
- */
- getLocalVersion() {
- return this._version;
- }
-
- /**
- * Gets the version of the MeCab component.
- * @returns The version of the MeCab component, or `null` if the component was not found.
- */
- async getVersion() {
- try {
- await this._setupPort();
- } catch (e) {
- // NOP
- }
- return this._remoteVersion;
- }
-
- /**
- * Parses a string of Japanese text into arrays of lines and terms.
- *
- * Return value format:
- * ```js
- * [
- * {
- * name: (string),
- * lines: [
- * {expression: (string), reading: (string), source: (string)},
- * ...
- * ]
- * },
- * ...
- * ]
- * ```
- * @param text The string to parse.
- * @returns A collection of parsing results of the text.
- */
- async parseText(text) {
- await this._setupPort();
- const rawResults = await this._invoke('parse_text', {text});
- return this._convertParseTextResults(rawResults);
- }
-
- // Private
-
- _onMessage({sequence, data}) {
- const invocation = this._invocations.get(sequence);
- if (typeof invocation === 'undefined') { return; }
-
- const {resolve, timer} = invocation;
- clearTimeout(timer);
- resolve(data);
- this._invocations.delete(sequence);
- }
-
- _onDisconnect() {
- if (this._port === null) { return; }
- const e = chrome.runtime.lastError;
- const error = new Error(e ? e.message : 'MeCab disconnected');
- for (const {reject, timer} of this._invocations.values()) {
- clearTimeout(timer);
- reject(error);
- }
- this._clearPort();
- }
-
- _invoke(action, params) {
- return new Promise((resolve, reject) => {
- if (this._port === null) {
- reject(new Error('Port disconnected'));
- }
-
- const sequence = this._sequence++;
-
- const timer = setTimeout(() => {
- this._invocations.delete(sequence);
- reject(new Error(`MeCab invoke timed out after ${this._timeout}ms`));
- }, this._timeout);
-
- this._invocations.set(sequence, {resolve, reject, timer}, this._timeout);
-
- this._port.postMessage({action, params, sequence});
- });
- }
-
- _convertParseTextResults(rawResults) {
- const results = [];
- for (const [name, rawLines] of Object.entries(rawResults)) {
- const lines = [];
- for (const rawLine of rawLines) {
- const line = [];
- for (let {expression, reading, source} of rawLine) {
- if (typeof expression !== 'string') { expression = ''; }
- if (typeof reading !== 'string') { reading = ''; }
- if (typeof source !== 'string') { source = ''; }
- line.push({expression, reading, source});
- }
- lines.push(line);
- }
- results.push({name, lines});
- }
- return results;
- }
-
- async _setupPort() {
- if (!this._enabled) {
- throw new Error('MeCab not enabled');
- }
- if (this._setupPortPromise === null) {
- this._setupPortPromise = this._setupPort2();
- }
- try {
- await this._setupPortPromise;
- } catch (e) {
- throw new Error(e.message);
- }
- }
-
- async _setupPort2() {
- const port = chrome.runtime.connectNative('yomichan_mecab');
- this._eventListeners.addListener(port.onMessage, this._onMessage.bind(this));
- this._eventListeners.addListener(port.onDisconnect, this._onDisconnect.bind(this));
- this._port = port;
-
- try {
- const {version} = await this._invoke('get_version', {});
- this._remoteVersion = version;
- if (version !== this._version) {
- throw new Error(`Unsupported MeCab native messenger version ${version}. Yomichan supports version ${this._version}.`);
- }
- } catch (e) {
- if (this._port === port) {
- this._clearPort();
- }
- throw e;
- }
- }
-
- _clearPort() {
- this._port.disconnect();
- this._port = null;
- this._invocations.clear();
- this._eventListeners.removeAllEventListeners();
- this._sequence = 0;
- this._setupPortPromise = null;
- }
-}