write class FacadeChewingTable2 in progress

1 files changed, 103 insertions, 0 deletions

diff --git a/src/storage/facade_chewing_table2.h b/src/storage/facade_chewing_table2.h
new file mode 100644
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--- /dev/null
+++ b/src/storage/facade_chewing_table2.h
@@ -0,0 +1,103 @@
+/* 
+ *  libpinyin
+ *  Library to deal with pinyin.
+ *  
+ *  Copyright (C) 2016 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 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, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+#ifndef FACADE_CHEWING_TABLE2_H
+#define FACADE_CHEWING_TABLE2_H
+
+#include "novel_types.h"
+#include "chewing_large_table2.h"
+
+namespace pinyin{
+
+/**
+ * FacadeChewingTable2:
+ *
+ * The facade class of chewing large table2.
+ *
+ */
+
+class FacadeChewingTable2{
+private:
+    ChewingLargeTable2 * m_system_chewing_table;
+    ChewingLargeTable2 * m_user_chewing_table;
+
+    void reset() {
+        if (m_system_chewing_table) {
+            delete m_system_chewing_table;
+            m_system_chewing_table = NULL;
+        }
+
+        if (m_user_chewing_table) {
+            delete m_user_chewing_table;
+            m_user_chewing_table = NULL;
+        }
+    }
+
+public:
+    /**
+     * FacadeChewingTable2::FacadeChewingTable2:
+     *
+     * The constructor of the FacadeChewingTable2.
+     *
+     */
+    FacadeChewingTable2() {
+        m_system_chewing_table = NULL;
+        m_user_chewing_table = NULL;
+    }
+
+    /**
+     * FacadeChewingTable2::~FacadeChewingTable2:
+     *
+     * The destructor of the FacadeChewingTable2.
+     *
+     */
+    ~FacadeChewingTable2() {
+        reset();
+    }
+
+    bool load(const char * system_filename,
+              const char * user_filename) {
+        reset();
+
+        bool result = false;
+        if (system_filename) {
+            m_system_chewing_table = new ChewingLargeTable2;
+            result = m_system_chewing_table->attach
+                (system_filename, ATTACH_READONLY) || result;
+        }
+        if (user_filename) {
+            m_user_chewing_table = new ChewingLargeTable2;
+            result = m_user_chewing_table->load_db
+                (user_filename) || result;
+        }
+        return result;
+    }
+
+    bool store(const char * new_user_filename) {
+        if (NULL == m_user_chewing_table)
+            return false;
+        return m_user_chewing_table->store_db(new_user_filename);
+    }
+};
+
+};
+
+#endif