http message parsin wip but really better

srcs/utils.cpp

@@ -9,6 +9,14 @@ void	throw_test()
 		throw std::bad_alloc();
 }
 
+// notice : the use of getline make it such as
+// it doesn't identify multiple delim as one :
+// " something \n else "   -> 1 - something
+//                            2 - else
+// is not the same as :
+// " something \n\n else " -> 1 - something
+//                            2 - 
+//                            3 - else
 std::vector<std::string> split(std::string input, char delimiter)
 {
     std::vector<std::string>	answer;
@@ -176,29 +184,91 @@ std::string	str_tolower(std::string str)
 // 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)
+// if delim is empty, the extraction begin exactly at pos, and end at npos
+std::string
+	extract_line(std::string & str, size_t pos = 0, std::string delim = "")
 {
 	std::string	del_str;
 	size_t		begin;
 	size_t		end;
 
-	begin = (*str).rfind(delim, pos);
+	begin = str.rfind(delim, pos);
 	if (begin == std::string::npos)
 		begin = 0;
 	else
 		begin += delim.size();
 
-	end = (*str).find(delim, pos);
-	if (end == std::string::npos)
-		end = 0;
-	else
+	end = str.find(delim, pos);
+	if (end != std::string::npos)
 		end += delim.size();
+	if (delim.empty())
+		end = std::string::npos;
 
-	del_str = (*str).substr(begin, end - begin);
-	(*str).erase(begin, end - begin);
+	del_str = str.substr(begin, end - begin);
+	str.erase(begin, end - begin);
 	return del_str;
 }
 
+// get a line in a string, by delim
+// same as extract, except it doesn't delete it
+std::string    get_line(std::string str, size_t pos = 0, std::string delim = "")
+{
+	std::string	ret_str;
+	size_t		begin;
+	size_t		end;
+
+	begin = str.rfind(delim, pos);
+	if (begin == std::string::npos)
+		begin = 0;
+	else
+		begin += delim.size();
+
+	end = str.find(delim, pos);
+	if (end != std::string::npos)
+		end += delim.size();
+	if (delim.empty())
+		end = std::string::npos;
+
+	ret_str = str.substr(begin, end - begin);
+	return ret_str;
+}
+
+std::map<std::string, std::string>
+	parse_http_headers (
+		std::string headers,
+		std::map<std::string, std::string> fields )
+{
+	std::vector<std::string>			list;
+	std::vector<std::string>::iterator	it;
+	std::vector<std::string>::iterator	it_end;
+	size_t								err = 0;
+	size_t								pos;
+
+	list = ::split_trim(sub, CRLF, ' ');
+
+	it_end = list.end();
+	for (it = list.begin(); it != it_end; it++)
+	{
+		pos = (*it).find(':');
+		if (pos == std::string::npos)
+		{
+			err++;
+			continue;
+		}
+		key = (*it).substr(0, pos);
+		if ( key.find(' ') != std::string::npos )
+		{
+			err++;
+			continue;
+		}
+		key = ::str_tolower(key); // to make "key" case_insensitive
+		val = (*it).substr(pos + 1);
+		val = ::trim(val, ' ');
+		fields.insert( std::pair<std::string, std::string>(key, val) );
+	}
+	return err;
+}
+
 bool	operator==(const listen_socket& lhs, int fd)
 	{ return lhs.fd == fd; }