From f63e8e4be0e7bdb1a2e45e349bf667ea7ca4adab Mon Sep 17 00:00:00 2001
From: siikamiika <siikamiika@users.noreply.github.com>
Date: Tue, 29 Oct 2019 23:49:36 +0200
Subject: add simple query parser

---
 ext/bg/js/search-query-parser.js | 44 ++++++++++++++++++++++++++++++++++++++++
 ext/bg/js/search.js              | 24 ++++++++++++++--------
 2 files changed, 60 insertions(+), 8 deletions(-)
 create mode 100644 ext/bg/js/search-query-parser.js

(limited to 'ext/bg/js')

diff --git a/ext/bg/js/search-query-parser.js b/ext/bg/js/search-query-parser.js
new file mode 100644
index 00000000..debe53b4
--- /dev/null
+++ b/ext/bg/js/search-query-parser.js
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2019  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/>.
+ */
+
+
+class QueryParser {
+    constructor(search) {
+        this.search = search;
+
+        this.queryParser = document.querySelector('#query-parser');
+
+        // TODO also enable for mouseover scanning
+        this.queryParser.addEventListener('click', (e) => this.onTermLookup(e));
+    }
+
+    onError(error) {
+        logError(error, false);
+    }
+
+    async onTermLookup(e) {
+        const {textSource} = await this.search.onTermLookup(e, {isQueryParser: true});
+        if (textSource) {
+            textSource.select();
+        }
+    }
+
+    setText(text) {
+        this.queryParser.innerText = text;
+    }
+}
diff --git a/ext/bg/js/search.js b/ext/bg/js/search.js
index 56316217..20d0c58c 100644
--- a/ext/bg/js/search.js
+++ b/ext/bg/js/search.js
@@ -32,6 +32,8 @@ class DisplaySearch extends Display {
             url: window.location.href
         };
 
+        this.queryParser = new QueryParser(this);
+
         this.search = document.querySelector('#search');
         this.query = document.querySelector('#query');
         this.intro = document.querySelector('#intro');
@@ -72,11 +74,11 @@ class DisplaySearch extends Display {
                         const query = DisplaySearch.getSearchQueryFromLocation(window.location.href) || '';
                         if (e.target.checked) {
                             window.wanakana.bind(this.query);
-                            this.query.value = window.wanakana.toKana(query);
+                            this.setQuery(window.wanakana.toKana(query));
                             apiOptionsSet({general: {enableWanakana: true}}, this.getOptionsContext());
                         } else {
                             window.wanakana.unbind(this.query);
-                            this.query.value = query;
+                            this.setQuery(query);
                             apiOptionsSet({general: {enableWanakana: false}}, this.getOptionsContext());
                         }
                         this.onSearchQueryUpdated(this.query.value, false);
@@ -86,9 +88,9 @@ class DisplaySearch extends Display {
                 const query = DisplaySearch.getSearchQueryFromLocation(window.location.href);
                 if (query !== null) {
                     if (this.isWanakanaEnabled()) {
-                        this.query.value = window.wanakana.toKana(query);
+                        this.setQuery(window.wanakana.toKana(query));
                     } else {
-                        this.query.value = query;
+                        this.setQuery(query);
                     }
                     this.onSearchQueryUpdated(this.query.value, false);
                 }
@@ -159,6 +161,7 @@ class DisplaySearch extends Display {
         e.preventDefault();
 
         const query = this.query.value;
+        this.queryParser.setText(query);
         const queryString = query.length > 0 ? `?query=${encodeURIComponent(query)}` : '';
         window.history.pushState(null, '', `${window.location.pathname}${queryString}`);
         this.onSearchQueryUpdated(query, true);
@@ -168,9 +171,9 @@ class DisplaySearch extends Display {
         const query = DisplaySearch.getSearchQueryFromLocation(window.location.href) || '';
         if (this.query !== null) {
             if (this.isWanakanaEnabled()) {
-                this.query.value = window.wanakana.toKana(query);
+                this.setQuery(window.wanakana.toKana(query));
             } else {
-                this.query.value = query;
+                this.setQuery(query);
             }
         }
 
@@ -258,9 +261,9 @@ class DisplaySearch extends Display {
             }
             if (curText && (curText !== this.clipboardPrevText) && jpIsJapaneseText(curText)) {
                 if (this.isWanakanaEnabled()) {
-                    this.query.value = window.wanakana.toKana(curText);
+                    this.setQuery(window.wanakana.toKana(curText));
                 } else {
-                    this.query.value = curText;
+                    this.setQuery(curText);
                 }
 
                 const queryString = curText.length > 0 ? `?query=${encodeURIComponent(curText)}` : '';
@@ -287,6 +290,11 @@ class DisplaySearch extends Display {
         return this.optionsContext;
     }
 
+    setQuery(query) {
+        this.query.value = query;
+        this.queryParser.setText(query);
+    }
+
     setIntroVisible(visible, animate) {
         if (this.introVisible === visible) {
             return;
-- 
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