*
-------------------------------------------------*/
+//-------------------------------------------------------
+// Utility functions for text file parsing (author: joel schaerer)
+
+template<class ElementType>
+ElementType parse_value(std::string str)
+{
+ std::istringstream parser(str);
+ ElementType value;
+ parser >> value;
+ assert(!parser.fail());
+ return value;
+}
+
+template<class ElementType>
+std::vector<ElementType> parse_string(std::string str,char delim)
+{
+ std::istringstream ss(str);
+ std::string token;
+ std::vector<ElementType> result;
+ while (std::getline(ss,token,delim)) {
+ result.push_back(parse_value<ElementType>(token));
+ }
+ return result;
+}
+
+template<class ElementType>
+std::vector<std::vector<ElementType> > parse_file(const char* filename,char delim)
+{
+ std::ifstream fs(filename);
+ std::string line;
+ std::vector<std::vector<ElementType> > result;
+ while (std::getline(fs,line)) {
+ if (line[0] != '#') //skip comments
+ result.push_back(parse_string<ElementType>(line,delim));
+ }
+ return result;
+}
+
//--------------------------------------------------------------------
// Convert float, double ... to string
template<class T>