changed del_line_in_str to etract_line

srcs/utils.cpp

@@ -151,10 +151,14 @@ std::string	str_tolower(std::string str)
 	return str;
 }
 
-void    del_line_in_str(std::string * str, size_t pos, std::string delim)
+// identify a line in a string, by delim (ex. '\n')
+// delete this line from the string
+// and return the deleted line
+std::string    extract_line(std::string * str, size_t pos, std::string delim)
 {
-	size_t	begin;
-	size_t	end;
+	std::string	del_str;
+	size_t		begin;
+	size_t		end;
 
 	begin = (*str).rfind(delim, pos);
 	if (begin == std::string::npos)
@@ -168,10 +172,18 @@ void    del_line_in_str(std::string * str, size_t pos, std::string delim)
 	else
 		end += delim.size();
 
+	del_str = (*str).substr(begin, end - begin);
 	(*str).erase(begin, end - begin);
+	return del_str;
 }
 
-
+// transform a str, like a http header, into a map
+// with <keys> delim <values>
+// and perform an action on keys and values
+// action receives address of keys and values, and return bool error :
+//   bool action(&keys, &values)
+//std::map<std:string, std::string>
+//	str_to_map(str, delim, action = NULL)
 
 bool	operator==(const listen_socket& lhs, int fd)
 	{ return lhs.fd == fd; }