From ce8b4cf9be402e42cc8f8abd55daef2aee7e7cf6 Mon Sep 17 00:00:00 2001
From: Peng Wu <alexepico@gmail.com>
Date: Wed, 18 Aug 2010 14:22:00 +0800
Subject: add function retrieve_all.

---
 src/include/novel_types.h |  2 +-
 src/storage/ngram.cpp     | 22 ++++++++++++++++++++++
 2 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/src/include/novel_types.h b/src/include/novel_types.h
index 2d31039..6f33a9e 100755
--- a/src/include/novel_types.h
+++ b/src/include/novel_types.h
@@ -105,7 +105,7 @@ struct BigramPhraseItem{
 
 struct BigramPhraseItemWithCount{
     phrase_token_t m_token;
-    guint32        m_cout;
+    guint32        m_count;
     gfloat         m_freq; /* P(W2|W1) */
 };
 
diff --git a/src/storage/ngram.cpp b/src/storage/ngram.cpp
index b19cd40..8ea8334 100644
--- a/src/storage/ngram.cpp
+++ b/src/storage/ngram.cpp
@@ -77,11 +77,31 @@ bool token_less_than(const SingleGramItem & lhs,const SingleGramItem & rhs){
     return lhs.m_token < rhs.m_token;
 }
 
+bool SingleGram::retrieve_all(/* out */ BigramPhraseWithCountArray array){
+    const SingleGramItem * begin = (const SingleGramItem *)
+        ((const char *)(m_chunk.begin()) + sizeof(guint32));
+    const SingleGramItem * end = (const SingleGramItem *) m_chunk.end();
+
+    guint32 total_freq;
+    BigramPhraseItemWithCount bigram_item_with_count;
+    assert(get_total_freq(total_freq));
+
+    for ( const SingleGramItem * cur_item = begin; cur_item != end; ++cur_item){
+        bigram_item_with_count.m_token = cur_item->m_token;
+        bigram_item_with_count.m_count = cur_item->m_freq;
+        bigram_item_with_count.m_freq = cur_item->m_freq / (gfloat)total_freq;
+        g_array_append_val(array, bigram_item_with_count);
+    }
+
+    return true;
+}
+
 bool SingleGram::search(/* in */ PhraseIndexRange * range, 
 			/* out */ BigramPhraseArray array){
     const SingleGramItem * begin = (const SingleGramItem *)
 	((const char *)(m_chunk.begin()) + sizeof(guint32));
     const SingleGramItem * end = (const SingleGramItem *)m_chunk.end();
+
     SingleGramItem compare_item;
     compare_item.m_token = range->m_range_begin;
     const SingleGramItem * cur_item = std_lite::lower_bound(begin, end, compare_item, token_less_than);
@@ -89,6 +109,7 @@ bool SingleGram::search(/* in */ PhraseIndexRange * range,
     guint32 total_freq;
     BigramPhraseItem bigram_item;
     assert(get_total_freq(total_freq));
+
     for ( ; cur_item != end; ++cur_item){
 	if ( cur_item->m_token >= range->m_range_end )
 	    break;
@@ -96,6 +117,7 @@ bool SingleGram::search(/* in */ PhraseIndexRange * range,
 	bigram_item.m_freq = cur_item->m_freq / (gfloat)total_freq;
 	g_array_append_val(array, bigram_item);
     }
+
     return true;
 }
 
-- 
cgit