Update to 2.0.0 tree from current Fremantle build

[opencv] / 3rdparty / flann / util / logger.h

diff --git a/3rdparty/flann/util/logger.h b/3rdparty/flann/util/logger.h
new file mode 100644 (file)
index 0000000..121eff9
--- /dev/null
+++ b/3rdparty/flann/util/logger.h
@@ -0,0 +1,93 @@
+/***********************************************************************
+ * Software License Agreement (BSD License)
+ *
+ * Copyright 2008-2009  Marius Muja (mariusm@cs.ubc.ca). All rights reserved.
+ * Copyright 2008-2009  David G. Lowe (lowe@cs.ubc.ca). All rights reserved.
+ *
+ * THE BSD LICENSE
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *************************************************************************/
+
+#ifndef LOGGER_H
+#define LOGGER_H
+
+
+#include <cstdio>
+#include <stdarg.h>
+#include "common.h"
+#include "flann.h"
+
+using namespace std;
+
+namespace flann
+{
+
+class Logger
+{
+    FILE* stream;
+    int logLevel;
+
+public:
+
+    Logger() : stream(stdout), logLevel(LOG_WARN) {};
+
+    ~Logger()
+    {
+        if (stream!=NULL && stream!=stdout) {
+            fclose(stream);
+        }
+    }
+
+    void setDestination(const char* name)
+    {
+        if (name==NULL) {
+            stream = stdout;
+        }
+        else {
+            stream = fopen(name,"w");
+            if (stream == NULL) {
+                stream = stdout;
+            }
+        }
+    }
+
+    void setLevel(int level) { logLevel = level; }
+
+    int log(int level, const char* fmt, ...);
+
+    int log(int level, const char* fmt, va_list arglist);
+
+    int fatal(const char* fmt, ...);
+
+    int error(const char* fmt, ...);
+
+    int warn(const char* fmt, ...);
+
+    int info(const char* fmt, ...);
+};
+
+extern Logger logger;
+
+}
+
+#endif //LOGGER_H