From ae3e0a1b6a154b5cdf6616c361eb933ef7853bfc Mon Sep 17 00:00:00 2001
From: wyy <wuyanyi09@gmail.com>
Date: Sun, 20 Apr 2014 00:20:25 +0800
Subject: [PATCH] make keywordextractor faster

---
 src/KeywordExtractor.hpp | 17 ++++-------------
 1 file changed, 4 insertions(+), 13 deletions(-)

diff --git a/src/KeywordExtractor.hpp b/src/KeywordExtractor.hpp
index cfb4645..6a81d4c 100644
--- a/src/KeywordExtractor.hpp
+++ b/src/KeywordExtractor.hpp
@@ -62,23 +62,14 @@ namespace CppJieba
                     return false;
                 }
 
-                // filtering single word.
-                for(vector<string>::iterator iter = words.begin(); iter != words.end(); )
+                map<string, double> wordmap;
+                for(vector<string>::iterator iter = words.begin(); iter != words.end(); iter++)
                 {
                     if(_isSingleWord(*iter))
                     {
-                        iter = words.erase(iter);
+                        continue;
                     }
-                    else
-                    {
-                        iter++;
-                    }
-                }
-
-                map<string, double> wordmap;
-                for(size_t i = 0; i < words.size(); i ++)
-                {
-                    wordmap[ words[i] ] += 1.0;
+                    wordmap[*iter] += 1.0;
                 }
 
                 for(map<string, double>::iterator itr = wordmap.begin(); itr != wordmap.end(); )