COMPMID-549 Create a Logger for GraphAPI

Change-Id: If912d8232e12cd496923d55d386898450dac09e2
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/89897
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>

1 files changed, 56 insertions, 0 deletions

diff --git a/src/core/Logger.cpp b/src/core/Logger.cpp
new file mode 100644
index 0000000000..9c3bf263a6
--- /dev/null
+++ b/src/core/Logger.cpp
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include "arm_compute/core/Logger.h"
+
+using namespace arm_compute;
+
+Logger::Logger()
+    : _ostream(&std::cout), _nullstream(nullptr), _verbosity(LoggerVerbosity::NONE)
+{
+}
+
+Logger &Logger::get()
+{
+    static Logger _instance;
+    return _instance;
+}
+
+void Logger::set_logger(std::ostream &ostream, LoggerVerbosity verbosity)
+{
+    _ostream   = &ostream;
+    _verbosity = verbosity;
+}
+
+std::ostream &Logger::log_info()
+{
+    if(_verbosity == LoggerVerbosity::INFO)
+    {
+        return *_ostream;
+    }
+    else
+    {
+        return _nullstream;
+    }
+}
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