1 files changed, 84 insertions, 0 deletions
diff --git a/ext/bg/dictionary.js b/ext/bg/dictionary.js
new file mode 100644
index 00000000..eff54890
--- /dev/null
+++ b/ext/bg/dictionary.js
@@ -0,0 +1,84 @@
+/*
+ * 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.termDicts  = [];
+        this.kanjiDicts = [];
+    }
+
+    addTermDict(termDict) {
+        this.termDicts.push(termDict);
+    }
+
+    addKanjiDict(kanjiDict) {
+        this.kanjiDicts.push(kanjiDict);
+    }
+
+
+    findTerm(term) {
+        let results = [];
+        for (let dict of this.termDicts) {
+            results = results.concat(this.findTermInDict(term, dict));
+        }
+
+        return results;
+    }
+
+    findKanji(kanji) {
+        const results = [];
+        for (let dict of this.kanjiDicts) {
+            const result = this.findKanjiInDict(kanji, dict);
+            if (result !== null) {
+                results.push(result);
+            }
+        }
+
+        return results;
+    }
+
+    findTermInDict(term, dict) {
+        return (dict.indices[term] || []).map(index => {
+            const [e, r, g, t] = dict.defs[index];
+            return {
+                id:         index,
+                expression: e,
+                reading:    r,
+                glossary:   g,
+                tags:       t.split(' ')
+            };
+        });
+    }
+
+    findKanjiInDict(kanji, dict) {
+        const def = dict.defs[kanji];
+        if (def === null) {
+            return null;
+        }
+
+        const [c, k, o, g] = def;
+        return {
+            id:        kanji.charCodeAt(0),
+            character: c,
+            kunyomi:   k,
+            onyomi:    o,
+            glossary:  g
+        };
+    }
+}