use relative path for HTML report

#6

Author: sfchen

src/multihtmlreporter.cpp

@@ -9,7 +9,7 @@ MultiHtmlReporter::MultiHtmlReporter(string filename, vector<Mutation>& mutation
     mMutationList = mutationList;
     mMutationMatches = mutationMatches;
     mFilename = filename;
-    mFolderName = mFilename + ".files";
+    mFolderName = basename(mFilename) + ".files";
     mkdir(mFolderName.c_str(), 0777);
     stat();
 }

src/util.h

@@ -102,6 +102,15 @@ inline bool file_exists(const  string& s)
     return exists;
 }
 
+inline string basename(const string& filename){
+    string::size_type pos = filename.find_last_of('/');
+    if (pos == string::npos)
+        return filename;
+    else if(pos == filename.length()-1)
+        return ""; // a bad filename
+    else
+        return filename.substr(pos+1, filename.length() - pos - 1);
+}
 
 // check if a string is a directory
 inline bool is_directory(const  string& path)