From 9cf00098f4628fb9797bb14963686384d406883b Mon Sep 17 00:00:00 2001
From: Peng Wu <alexepico@gmail.com>
Date: Mon, 5 Dec 2011 14:19:20 +0800
Subject: add const modifiers

---
 src/storage/ngram.cpp | 9 +++++----
 src/storage/ngram.h   | 8 ++++----
 2 files changed, 9 insertions(+), 8 deletions(-)

(limited to 'src')

diff --git a/src/storage/ngram.cpp b/src/storage/ngram.cpp
index 66cdc56..86c12fe 100644
--- a/src/storage/ngram.cpp
+++ b/src/storage/ngram.cpp
@@ -83,7 +83,8 @@ static bool token_less_than(const SingleGramItem & lhs,const SingleGramItem & rh
     return lhs.m_token < rhs.m_token;
 }
 
-bool SingleGram::retrieve_all(/* out */ BigramPhraseWithCountArray array){
+bool SingleGram::retrieve_all(/* out */ BigramPhraseWithCountArray array)
+    const {
     const SingleGramItem * begin = (const SingleGramItem *)
         ((const char *)(m_chunk.begin()) + sizeof(guint32));
     const SingleGramItem * end = (const SingleGramItem *) m_chunk.end();
@@ -102,8 +103,8 @@ bool SingleGram::retrieve_all(/* out */ BigramPhraseWithCountArray array){
     return true;
 }
 
-bool SingleGram::search(/* in */ PhraseIndexRange * range, 
-			/* out */ BigramPhraseArray array){
+bool SingleGram::search(/* in */ PhraseIndexRange * range,
+			/* out */ BigramPhraseArray array) const {
     const SingleGramItem * begin = (const SingleGramItem *)
 	((const char *)(m_chunk.begin()) + sizeof(guint32));
     const SingleGramItem * end = (const SingleGramItem *)m_chunk.end();
@@ -181,7 +182,7 @@ bool SingleGram::remove_freq( /* in */ phrase_token_t token,
 }
 
 bool SingleGram::get_freq(/* in */ phrase_token_t token,
-                          /* out */ guint32 & freq){
+                          /* out */ guint32 & freq) const {
     freq = 0;
     const SingleGramItem * begin = (const SingleGramItem *)
 	((const char *)(m_chunk.begin()) + sizeof(guint32));
diff --git a/src/storage/ngram.h b/src/storage/ngram.h
index 8863392..73e422a 100644
--- a/src/storage/ngram.h
+++ b/src/storage/ngram.h
@@ -52,12 +52,12 @@ public:
     /* Null Constructor */
     SingleGram();
     /* retrieve all items */
-    bool retrieve_all(/* out */ BigramPhraseWithCountArray array);
+    bool retrieve_all(/* out */ BigramPhraseWithCountArray array) const;
 
     /* search method */
     /* the array result contains many items */
-    bool search(/* in */ PhraseIndexRange * range, 
-	       /* out */ BigramPhraseArray array);
+    bool search(/* in */ PhraseIndexRange * range,
+	       /* out */ BigramPhraseArray array) const;
 
     /* insert_freq method
      */
@@ -72,7 +72,7 @@ public:
     /* get_freq method
      */
     bool get_freq(/* in */ phrase_token_t token,
-	       /* out */ guint32 & freq); 
+	       /* out */ guint32 & freq) const;
     
     /* set_freq method
      */
-- 
cgit