* @param filename Name of the file to get the content.
* @return File content.
*/
- virtual string getFileContent(string);
+ virtual string getFileContent(const string&);
public:
/**
* @param postfix Postfix of the template files.
* @param group Starting group.
*/
- CHIT(string = string("."), string = string(".tpl"), string = string(""));
+ CHIT(const string& = string("."), const string& = string(".tpl"),
+ const string& = string(""));
/**
* Destructor.