begin to write libpinyin backend singleton

diff --git a/src/PYLibPinyin.h b/src/PYLibPinyin.h
new file mode 100644 (file)
index 0000000..cfd8566
--- /dev/null
+++ b/src/PYLibPinyin.h
@@ -0,0 +1,36 @@
+/* vim:set et ts=4 sts=4:
+ *
+ * ibus-pinyin - The Chinese PinYin engine for IBus
+ *
+ * Copyright (c) 2011 Peng Wu <alexepico@gmail.com>
+ *
+ * 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 2, 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, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef __PY_LIB_PINYIN_H_
+#define __PY_LIB_PINYIN_H_
+
+namespace PY {
+class LibPinyinBackEnd{
+public:
+    /* use static initializer in C++. */
+    static LibPinyinBackEnd & instance (void) { return *m_instance; }
+
+private:
+    static std::unique_ptr<LibPinyinBackEnd> m_instance;
+};
+};
+
+#endif