add filterAscii

src/ChineseFilter.hpp

@@ -99,6 +99,36 @@ namespace CppJieba
             }
     };
     
+    /*
+     * if char is ascii, count the ascii string's length and return 0;
+     * else count the nonascii string's length and return 1;
+     * if errors, return -1;
+     * */
+    inline int filterAscii(const char* str, uint len, uint& resLen)
+    {
+        if(!str || !len)
+        {
+            return -1;
+        }
+        char x = 0x80;
+        int resFlag = (str[0] & x ? 1 : 0);
+        resLen = 1;
+        if(!resFlag)
+        {
+            while(resLen < len && !(str[resLen] & x))
+            {
+                resLen ++;
+            }
+        }
+        else
+        {
+            while(resLen < len && (str[resLen] & x))
+            {
+                resLen ++;
+            }
+        }
+        return resFlag;
+    }
 }
 
 #endif

test/ChineseFilterUt.cpp

@@ -1,26 +1,38 @@
-#include <ChineseFilter.h>
+#include "../src/ChineseFilter.hpp"
 
-#ifdef UT
 using namespace CppJieba;
 
-
 int main(int argc, char** argv)
 {
-    ChineseFilter chFilter;
-    ifstream ifs("../demo/testlines.utf8");
+    //ChineseFilter chFilter;
+    ifstream ifs(argv[1]);
     string line;
+    string s;
     while(getline(ifs, line))
     {
-        chFilter.feed(line);
-        for(ChineseFilter::iterator it = chFilter.begin(); it != chFilter.end(); it++)
+        const char * str = line.c_str();
+        uint size = line.size();
+        uint offset = 0;
+        while(offset < size)
         {
-            //cout<<__FILE__<<__LINE__<<endl;
-            string tmp;
-            TransCode::encode(it.begin, it.end, tmp);
-            cout<<tmp<<endl;
+            uint len;
+            const char* t =  str+offset;
+        int ret = filterAscii(t, size, len);
+        s.assign(t, len);
+        cout<<s<<","<<ret<<","<<len<<endl;
+        offset += len;
         }
+        
+        
+        //chFilter.feed(line);
+        //for(ChineseFilter::iterator it = chFilter.begin(); it != chFilter.end(); it++)
+        //{
+        //    //cout<<__FILE__<<__LINE__<<endl;
+        //    string tmp;
+        //    TransCode::encode(it.begin, it.end, tmp);
+        //    cout<<tmp<<endl;
+        //}
     }
     return 0;
 }
 
-#endif