Diff: ros/message_operations.h

Revision:

3:2a3664dc6634

diff -r e98408458d2b -r 2a3664dc6634 ros/message_operations.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ros/message_operations.h	Tue Aug 13 05:53:22 2019 +0000
@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2010, Willow Garage, Inc.
+ *
+ * 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 names of Willow Garage, Inc. 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 THE COPYRIGHT OWNER OR CONTRIBUTORS 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 ROSLIB_MESSAGE_OPERATIONS_H
+#define ROSLIB_MESSAGE_OPERATIONS_H
+
+#include <ostream>
+
+namespace ros
+{
+namespace message_operations
+{
+
+template<typename M>
+struct Printer
+{
+  template<typename Stream>
+  static void stream(Stream& s, const std::string& indent, const M& value)
+  {
+    (void)indent;
+    s << value << "\n";
+  }
+};
+
+// Explicitly specialize for uint8_t/int8_t because otherwise it thinks it's a char, and treats
+// the value as a character code
+template<>
+struct Printer<int8_t>
+{
+  template<typename Stream>
+  static void stream(Stream& s, const std::string& indent, int8_t value)
+  {
+    (void)indent;
+    s << static_cast<int32_t>(value) << "\n";
+  }
+};
+
+template<>
+struct Printer<uint8_t>
+{
+  template<typename Stream>
+  static void stream(Stream& s, const std::string& indent, uint8_t value)
+  {
+    (void)indent;
+    s << static_cast<uint32_t>(value) << "\n";
+  }
+};
+
+} // namespace message_operations
+} // namespace ros
+
+#endif // ROSLIB_MESSAGE_OPERATIONS_H