From 226fd63fab4b5b605c62049c6a9d765de8d6c4db Mon Sep 17 00:00:00 2001
From: Vegard Storheil Eriksen <zyp@jvnv.net>
Date: Sun, 2 Jan 2011 21:22:57 +0100
Subject: Add PathList, fix path_p.

---
 http_connection.cpp | 15 +++++++++++++--
 http_connection.h   | 10 +++++++++-
 httpd.cpp           | 10 +---------
 main.cpp            |  5 +++--
 4 files changed, 26 insertions(+), 14 deletions(-)

diff --git a/http_connection.cpp b/http_connection.cpp
index 0e9571c..d940b2f 100644
--- a/http_connection.cpp
+++ b/http_connection.cpp
@@ -22,7 +22,7 @@ void HTTP::Connection::handle_read(const boost::system::error_code& error, size_
 	}
 	
 	std::cout << "Path: " << std::endl;
-	for(std::vector<std::string>::iterator it = path.begin(); it != path.end(); it++) {
+	for(PathList::iterator it = path.begin(); it != path.end(); it++) {
 		std::cout << "  " << *it << std::endl;
 	}
 	
@@ -55,7 +55,7 @@ bool HTTP::Connection::parse_request(boost::asio::streambuf& buf) {
 	
 	qi::rule<Iterator, char()> urlchar_p = (qi::char_ - '%') | ('%' >> qi::uint_parser<char, 16, 2, 2>());
 	
-	qi::rule<Iterator, std::vector<std::string>()> path_p = '/' >> +(urlchar_p - '/' - '?' - ' ') % '/';
+	qi::rule<Iterator, PathList()> path_p = *(+qi::lit('/') >> +(urlchar_p - '/' - '?' - ' ')) >> *qi::lit('/');
 	
 	qi::rule<Iterator, std::pair<std::string, std::string>()> pair_p = +(urlchar_p - '=') >> '=' >> +(urlchar_p - '&' - ' ');
 	qi::rule<Iterator, std::map<std::string, std::string>()> args_p = '?' >> pair_p >> *('&' >> pair_p);
@@ -78,3 +78,14 @@ void HTTP::Connection::read_request(Handler callback) {
 	boost::asio::async_read_until(socket, buf, "\r\n\r\n", boost::bind(&Connection::handle_read, shared_from_this(),
 				boost::asio::placeholders::error, boost::asio::placeholders::bytes_transferred, callback));
 }
+
+std::string HTTP::Connection::pop_path_base() {
+	if(!path.size()) {
+		return "";
+	}
+	
+	base_path.push_back(path.front());
+	path.pop_front();
+	
+	return base_path.back();
+}
diff --git a/http_connection.h b/http_connection.h
index 9ceb8a5..23cadc6 100644
--- a/http_connection.h
+++ b/http_connection.h
@@ -18,14 +18,22 @@ namespace HTTP {
 		public:
 			typedef boost::shared_ptr<Connection> p;
 			typedef boost::function<void (Connection::p)> Handler;
+			typedef std::list<std::string> PathList;
 			
+			//! Start reading the request headers.
 			void read_request(Handler callback);
 			
 			//! Request method.
 			std::string method;
 			
 			//! Request path.
-			std::vector<std::string> path;
+			PathList path;
+			
+			//! Base path.
+			PathList base_path;
+			
+			//! Pop topmost element of path and add to base_path.
+			std::string pop_path_base();
 			
 			//! Request arguments.
 			std::map<std::string, std::string> args;
diff --git a/httpd.cpp b/httpd.cpp
index e2470c2..4d6ed02 100644
--- a/httpd.cpp
+++ b/httpd.cpp
@@ -23,15 +23,7 @@ void HTTP::Server::handle_accept(Connection::p new_connection, const boost::syst
 }
 
 void HTTP::Server::handle_request(Connection::p connection) {
-	std::string handler;
-	
-	if(connection->path.size()) {
-		// Pop first element of path.
-		handler = connection->path.front();
-		connection->path.erase(connection->path.begin());
-	} else {
-		handler = "index";
-	}
+	std::string handler = connection->pop_path_base();
 	
 	if(handlers.count(handler)) {
 		// Call handler.
diff --git a/main.cpp b/main.cpp
index c66c6ec..ebe3554 100644
--- a/main.cpp
+++ b/main.cpp
@@ -15,12 +15,13 @@ void foo_handler(HTTP::Connection::p connection) {
 	
 	HTTPResponse res(connection->socket);
 	
-	MusicListing::p ml = music::get(connection->path);
+	//MusicListing::p ml = music::get(connection->path);
+	bool ml = 0;
 	if(ml) {
 		res.code = 200;
 		res.status = "OK";
 
-		ml->render(connection, res);
+		//ml->render(connection, res);
 	} else {
 		res.code = 404;
 		res.status = "Not Found";
-- 
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