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thirdparty/websocketpp/include/websocketpp/logger/stub.hpp

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+/*
+ * Copyright (c) 2014, Peter Thorson. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * 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.
+ *     * Neither the name of the WebSocket++ Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 PETER THORSON 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 WEBSOCKETPP_LOGGER_STUB_HPP
+#define WEBSOCKETPP_LOGGER_STUB_HPP
+
+#include <websocketpp/logger/levels.hpp>
+
+#include <websocketpp/common/cpp11.hpp>
+
+#include <string>
+
+namespace websocketpp {
+namespace log {
+
+/// Stub logger that ignores all input
+class stub {
+public:
+    /// Construct the logger
+    /**
+     * @param hint A channel type specific hint for how to construct the logger
+     */
+    explicit stub(channel_type_hint::value) {}
+
+    /// Construct the logger
+    /**
+     * @param default_channels A set of channels to statically enable
+     * @param hint A channel type specific hint for how to construct the logger
+     */
+    stub(level, channel_type_hint::value) {}
+    _WEBSOCKETPP_CONSTEXPR_TOKEN_ stub() {}
+
+    /// Dynamically enable the given list of channels
+    /**
+     * All operations on the stub logger are no-ops and all arguments are
+     * ignored
+     *
+     * @param channels The package of channels to enable
+     */
+    void set_channels(level) {}
+
+    /// Dynamically disable the given list of channels
+    /**
+     * All operations on the stub logger are no-ops and all arguments are
+     * ignored
+     *
+     * @param channels The package of channels to disable
+     */
+    void clear_channels(level) {}
+
+    /// Write a string message to the given channel
+    /**
+     * Writing on the stub logger is a no-op and all arguments are ignored
+     *
+     * @param channel The channel to write to
+     * @param msg The message to write
+     */
+    void write(level, std::string const &) {}
+
+    /// Write a cstring message to the given channel
+    /**
+     * Writing on the stub logger is a no-op and all arguments are ignored
+     *
+     * @param channel The channel to write to
+     * @param msg The message to write
+     */
+    void write(level, char const *) {}
+
+    /// Test whether a channel is statically enabled
+    /**
+     * The stub logger has no channels so all arguments are ignored and
+     * `static_test` always returns false.
+     *
+     * @param channel The package of channels to test
+     */
+    _WEBSOCKETPP_CONSTEXPR_TOKEN_ bool static_test(level) const {
+        return false;
+    }
+
+    /// Test whether a channel is dynamically enabled
+    /**
+     * The stub logger has no channels so all arguments are ignored and
+     * `dynamic_test` always returns false.
+     *
+     * @param channel The package of channels to test
+     */
+    bool dynamic_test(level) {
+        return false;
+    }
+};
+
+} // log
+} // websocketpp
+
+#endif // WEBSOCKETPP_LOGGER_STUB_HPP