1 files changed, 67 insertions, 0 deletions
diff --git a/ext/bg/js/dictionary.js b/ext/bg/js/dictionary.js
new file mode 100644
index 00000000..a68c2daf
--- /dev/null
+++ b/ext/bg/js/dictionary.js
@@ -0,0 +1,67 @@
+/*
+ * 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/>.
+ */
+
+
+class Dictionary {
+    constructor() {
+        this.terms       = [];
+        this.termIndices = {};
+
+        this.kanji        = [];
+        this.kanjiIndices = {};
+    }
+
+    addTermData(terms) {
+        let index = this.terms.length;
+        for (const [e, r, g, t] of terms) {
+            this.storeIndex(this.termIndices, e, index);
+            this.storeIndex(this.termIndices, r, index++);
+            this.terms.push([e, r, g, t]);
+        }
+    }
+
+    addKanjiData(kanji) {
+        let index = this.kanji.length;
+        for (const [c, k, o, g] of kanji) {
+            this.storeIndex(this.kanjiIndices, c, index++);
+            this.kanji.push([c, k, o, g]);
+        }
+    }
+
+    findTerm(term) {
+        return (this.termIndices[term] || []).map(index => {
+            const [e, r, g, t] = this.terms[index];
+            return {id: index, expression: e, reading: r, glossary: g, tags: t.split(' ')};
+        });
+    }
+
+    findKanji(kanji) {
+        return (this.kanjiIndices[kanji] || []).map(index => {
+            const [c, k, o, g] = def;
+            return {id: index, character: c, kunyomi: k, onyomi: o, glossary: g};
+        });
+    }
+
+    storeIndex(indices, term, index) {
+        if (term.length > 0) {
+            const indices = this.termIndices[term] || [];
+            indices.push(index);
+            this.termIndices[term] = indices;
+        }
+    }
+}