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-rw-r--r--ext/bg/js/query-parser.js161
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diff --git a/ext/bg/js/query-parser.js b/ext/bg/js/query-parser.js
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+/*
+ * Copyright (C) 2019-2020 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/>.
+ */
+
+/* global
+ * QueryParserGenerator
+ * TextScanner
+ * api
+ * docSentenceExtract
+ */
+
+class QueryParser extends EventDispatcher {
+ constructor({getOptionsContext, setSpinnerVisible}) {
+ super();
+ this._options = null;
+ this._getOptionsContext = getOptionsContext;
+ this._setSpinnerVisible = setSpinnerVisible;
+ this._parseResults = [];
+ this._queryParser = document.querySelector('#query-parser-content');
+ this._queryParserSelect = document.querySelector('#query-parser-select-container');
+ this._queryParserGenerator = new QueryParserGenerator();
+ this._textScanner = new TextScanner({
+ node: this._queryParser,
+ ignoreElements: () => [],
+ ignorePoint: null,
+ search: this._search.bind(this)
+ });
+ }
+
+ async prepare() {
+ await this._queryParserGenerator.prepare();
+ this._textScanner.prepare();
+ this._queryParser.addEventListener('click', this._onClick.bind(this));
+ }
+
+ setOptions(options) {
+ this._options = options;
+ this._textScanner.setOptions(options);
+ this._textScanner.setEnabled(true);
+ this._queryParser.dataset.termSpacing = `${options.parsing.termSpacing}`;
+ }
+
+ async setText(text) {
+ this._setSpinnerVisible(true);
+
+ this._setPreview(text);
+
+ this._parseResults = await api.textParse(text, this._getOptionsContext());
+ this._refreshSelectedParser();
+
+ this._renderParserSelect();
+ this._renderParseResult();
+
+ this._setSpinnerVisible(false);
+ }
+
+ // Private
+
+ _onClick(e) {
+ this._textScanner.searchAt(e.clientX, e.clientY, 'click');
+ }
+
+ async _search(textSource, cause) {
+ if (textSource === null) { return null; }
+
+ const {length: scanLength, layoutAwareScan} = this._options.scanning;
+ const searchText = this._textScanner.getTextSourceContent(textSource, scanLength, layoutAwareScan);
+ if (searchText.length === 0) { return null; }
+
+ const optionsContext = this._getOptionsContext();
+ const {definitions, length} = await api.termsFind(searchText, {}, optionsContext);
+ if (definitions.length === 0) { return null; }
+
+ const sentenceExtent = this._options.anki.sentenceExt;
+ const sentence = docSentenceExtract(textSource, sentenceExtent, layoutAwareScan);
+
+ textSource.setEndOffset(length, layoutAwareScan);
+
+ this.trigger('searched', {
+ type: 'terms',
+ definitions,
+ sentence,
+ cause,
+ textSource,
+ optionsContext
+ });
+
+ return {definitions, type: 'terms'};
+ }
+
+ _onParserChange(e) {
+ const value = e.target.value;
+ api.modifySettings([{
+ action: 'set',
+ path: 'parsing.selectedParser',
+ value,
+ scope: 'profile',
+ optionsContext: this._getOptionsContext()
+ }], 'search');
+ }
+
+ _refreshSelectedParser() {
+ if (this._parseResults.length > 0) {
+ if (!this._getParseResult()) {
+ const value = this._parseResults[0].id;
+ api.modifySettings([{
+ action: 'set',
+ path: 'parsing.selectedParser',
+ value,
+ scope: 'profile',
+ optionsContext: this._getOptionsContext()
+ }], 'search');
+ }
+ }
+ }
+
+ _getParseResult() {
+ const {selectedParser} = this._options.parsing;
+ return this._parseResults.find((r) => r.id === selectedParser);
+ }
+
+ _setPreview(text) {
+ const previewTerms = [];
+ for (let i = 0, ii = text.length; i < ii; i += 2) {
+ const tempText = text.substring(i, i + 2);
+ previewTerms.push([{text: tempText, reading: ''}]);
+ }
+ this._queryParser.textContent = '';
+ this._queryParser.appendChild(this._queryParserGenerator.createParseResult(previewTerms, true));
+ }
+
+ _renderParserSelect() {
+ this._queryParserSelect.textContent = '';
+ if (this._parseResults.length > 1) {
+ const {selectedParser} = this._options.parsing;
+ const select = this._queryParserGenerator.createParserSelect(this._parseResults, selectedParser);
+ select.addEventListener('change', this._onParserChange.bind(this));
+ this._queryParserSelect.appendChild(select);
+ }
+ }
+
+ _renderParseResult() {
+ const parseResult = this._getParseResult();
+ this._queryParser.textContent = '';
+ if (!parseResult) { return; }
+ this._queryParser.appendChild(this._queryParserGenerator.createParseResult(parseResult.content));
+ }
+}