1 files changed, 108 insertions, 0 deletions
diff --git a/libs/pbd/debug.cc b/libs/pbd/debug.cc
new file mode 100644
index 0000000000..f8abdcb488
--- /dev/null
+++ b/libs/pbd/debug.cc
@@ -0,0 +1,108 @@
+/*
+    Copyright (C) 2009 Paul Davis
+
+    This program 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.
+
+    This program 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 this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#include <cstring>
+#include <cstdlib>
+#include <iostream>
+#include <map>
+
+#include "pbd/debug.h"
+
+#include "i18n.h"
+
+using namespace std;
+static uint64_t _debug_bit = 1;
+static std::map<const char*,uint64_t> _debug_bit_map;
+
+uint64_t PBD::DEBUG::Stateful = PBD::new_debug_bit ("stateful");
+uint64_t PBD::DEBUG::Properties = PBD::new_debug_bit ("properties");
+
+uint64_t PBD::debug_bits = 0x0;
+
+uint64_t
+PBD::new_debug_bit (const char* name)
+{
+        uint64_t ret;
+        _debug_bit_map.insert (make_pair (name, _debug_bit));
+        cerr << "debug name " << name << " = " << _debug_bit << endl;
+        ret = _debug_bit;
+        _debug_bit <<= 1;
+        return ret;
+}
+
+void
+PBD::debug_print (const char* prefix, string str)
+{
+	cerr << prefix << ": " << str;
+}
+
+void
+PBD::set_debug_bits (uint64_t bits)
+{
+	debug_bits = bits;
+}
+
+int
+PBD::parse_debug_options (const char* str)
+{
+	char* p;
+	char* sp;
+	uint64_t bits = 0;
+	char* copy = strdup (str);
+
+	p = strtok_r (copy, ",", &sp);
+
+	while (p) {
+		if (strcasecmp (p, "list") == 0) {
+			list_debug_options ();
+			free (copy);
+			return 1;
+		}
+
+		if (strcasecmp (p, "all") == 0) {
+			PBD::set_debug_bits (~0ULL);
+			free (copy);
+			return 0;
+		}
+
+                for (map<const char*,uint64_t>::iterator i = _debug_bit_map.begin(); i != _debug_bit_map.end(); ++i) {
+                        if (strncasecmp (p, i->first, strlen (p)) == 0) {
+                                cerr << "debug args matched for " << p << " set bit " << i->second << endl;
+                                bits |= i->second;
+                        }
+                }
+
+		p = strtok_r (0, ",", &sp);
+	}
+	
+	free (copy);
+	PBD::set_debug_bits (bits);
+	return 0;
+}
+
+void
+PBD::list_debug_options ()
+{
+	cerr << _("The following debug options are available. Separate multipe options with commas.\nNames are case-insensitive and can be abbreviated.") << endl << endl;
+	cerr << "\tAll" << endl;
+
+        for (map<const char*,uint64_t>::iterator i = _debug_bit_map.begin(); i != _debug_bit_map.end(); ++i) {
+                cerr << "\t" << i->first << endl;
+        }
+}