An easy way to parse http headers

parse_commands_http.cpp

/*
 * parse_commands_http.cpp
 * This file is part of parse_commands_http
 *
 * Copyright (C) 2013 - Giacomo Bergami
 *
 * parse_commands_http is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * parse_commands_http is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with parse_commands_http. If not, see <http://www.gnu.org/licenses/>.
 */

 
#include <iostream>
#include <string>
#include <sstream>
#include <algorithm>
#include <iterator>
#include <unordered_map>

extern "C" {
#include <string.h>
}

using namespace std;

unordered_map<string,string> parse_commands_http(string sentence) {

    unordered_map<string,string> test;
    istringstream iss(sentence);
    char buffer_test[300];
    memset(buffer_test,0,300);
    
    while (iss.getline(buffer_test,300,'\n')) {
    	char buffer_test2[300];
    	memset(buffer_test2,0,300);
    	
    	string command{buffer_test};
    	istringstream iss(command);
    	if (iss.getline(buffer_test2,300,':')) {
    		string command{buffer_test2};
    		if (!iss.getline(buffer_test2,300,':'))
    		continue;
    		else {
    			string attribute{buffer_test2};
    			test[command] = attribute;
    		}
    	}
    	
    	memset(buffer_test,0,300);
    }
    
    return test;

}

int main() {
    
    	string test = "HTTP/1.1 200 OK\nDate: Mon, 12 Mar 2001 19:12:16 GMT\nServer: Apache/1.3.12 (Unix) Debian/GNU mod_perl/1.24\nLast-Modified: Fri, 22 Sep 2000 14:16:18\nETag: \"dd7b6e-d29-39cb69b2\"\nAccept-Ranges: bytes\nContent-Length: 3369\nConnection: close\nContent-Type: text/html";
    	
	unordered_map<string,string> result{parse_commands_http(test)};
	cout << result["Servero"].length() << "\n";
	
    
    return 0;
}