WIP: Moved sources int src/, separated most of the source code from Perl.

The XS was left only for the unit / integration tests, and it links
libslic3r only. No wxWidgets are allowed to be used from Perl starting
from now.

src/slic3r/Utils/PrintHost.hpp

@@ -0,0 +1,35 @@
+#ifndef slic3r_PrintHost_hpp_
+#define slic3r_PrintHost_hpp_
+
+#include <memory>
+#include <string>
+#include <wx/string.h>
+
+
+namespace Slic3r {
+
+
+class DynamicPrintConfig;
+
+class PrintHost
+{
+public:
+	virtual ~PrintHost();
+
+	virtual bool test(wxString &curl_msg) const = 0;
+	virtual wxString get_test_ok_msg () const = 0;
+	virtual wxString get_test_failed_msg (wxString &msg) const = 0;
+	// Send gcode file to print host, filename is expected to be in UTF-8
+	virtual bool send_gcode(const std::string &filename) const = 0;
+	virtual bool has_auto_discovery() const = 0;
+	virtual bool can_test() const = 0;
+
+	static PrintHost* get_print_host(DynamicPrintConfig *config);
+};
+
+
+
+
+}
+
+#endif