added basic support for an embedded HTTP server. server

currently supports editing the screen map but changing
the map won't behave correctly if there are connected
screens.

http/XHTTP.h

@@ -0,0 +1,44 @@
+#ifndef XHTTP_H
+#define XHTTP_H
+
+#include "BasicTypes.h"
+#include "CString.h"
+#include "XBase.h"
+
+class CHTTPReply;
+
+class XHTTP : public XBase {
+public:
+	XHTTP(SInt32 statusCode);
+	XHTTP(SInt32 statusCode, const CString& reasonPhrase);
+	~XHTTP();
+
+	SInt32				getStatus() const;
+	CString				getReason() const;
+
+	virtual void		addHeaders(CHTTPReply&) const;
+
+protected:
+	virtual CString		getWhat() const throw();
+
+private:
+	static const char*	getReason(SInt32 status);
+
+private:
+	SInt32				m_status;
+	CString				m_reason;
+};
+
+class XHTTPAllow : public XHTTP {
+public:
+	XHTTPAllow(const CString& allowedMethods);
+	~XHTTPAllow();
+
+	// XHTTP overrides
+	virtual void		addHeaders(CHTTPReply&) const;
+
+private:
+	CString				m_allowed;
+};
+
+#endif