write facade chewing table

3 files changed, 91 insertions, 1 deletions

diff --git a/src/include/memory_chunk.h b/src/include/memory_chunk.h
index 86a738a..bd7a270 100644
--- a/src/include/memory_chunk.h
+++ b/src/include/memory_chunk.h
@@ -173,7 +173,7 @@ public:
      * Data are appended at the end.
      */
     bool append_content(const void * data, size_t len){
-        set_content(size(), data, len);
+        return set_content(size(), data, len);
     }
     /* insert function
      * Data are written to the memory area,
diff --git a/src/storage/chewing_large_table.cpp b/src/storage/chewing_large_table.cpp
index d1b0d91..70dddde 100644
--- a/src/storage/chewing_large_table.cpp
+++ b/src/storage/chewing_large_table.cpp
@@ -21,6 +21,7 @@
 
 #include "chewing_large_table.h"
 #include <assert.h>
+#include "facade_chewing_table.h"
 #include "pinyin_phrase2.h"
 #include "pinyin_parser2.h"
 
diff --git a/src/storage/facade_chewing_table.h b/src/storage/facade_chewing_table.h
new file mode 100644
index 0000000..63b968a
--- /dev/null
+++ b/src/storage/facade_chewing_table.h
@@ -0,0 +1,89 @@
+/* 
+ *  libpinyin
+ *  Library to deal with pinyin.
+ *  
+ *  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 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_TABLE_H
+#define FACADE_CHEWING_TABLE_H
+
+#include "novel_types.h"
+#include "chewing_large_table.h"
+
+namespace pinyin{
+
+class FacadeChewingTable{
+private:
+    ChewingLargeTable * m_system_chewing_table;
+    ChewingLargeTable * m_user_chewing_table;
+
+public:
+    /* constructor/destructor */
+    FacadeChewingTable() {
+        m_system_chewing_table = NULL;
+        m_user_chewing_table = NULL;
+    }
+
+    /* load/store method */
+    bool load(pinyin_option_t options, MemoryChunk * system,
+              MemoryChunk * user){
+        bool result = false;
+        if (system) {
+            m_system_chewing_table = new ChewingLargeTable(options);
+            result = m_system_chewing_table->load(system) || result;
+        }
+        if (user) {
+            m_user_chewing_table = new ChewingLargeTable(options);
+            result = m_user_chewing_table->load(user) || result;
+        }
+        return result;
+    }
+
+    /* search method */
+    int search(int phrase_length, /* in */ ChewingKey keys[],
+               /* out */ PhraseIndexRanges ranges) const {
+        int result = SEARCH_NONE;
+
+        if (NULL != m_system_chewing_table)
+            result |= m_system_chewing_table->search
+                (phrase_length, keys, ranges);
+
+        if (NULL != m_user_chewing_table)
+            result |= m_user_chewing_table->search
+                (phrase_length, keys, ranges);
+
+        return result;
+    }
+
+    /* add/remove index method */
+    int add_index(int phrase_length, /* in */ ChewingKey keys[],
+                  /* in */ phrase_token_t token) {
+        assert(NULL != m_user_chewing_table);
+        return m_user_chewing_table->add_index(phrase_length, keys, token);
+    }
+
+    int remove_index(int phrase_length, /* in */ ChewingKey keys[],
+                     /* in */ phrase_token_t token) {
+        assert(NULL != m_user_chewing_table);
+        return m_user_chewing_table->remove_index(phrase_length, keys, token);
+    }
+};
+
+};
+
+#endif