Add basic diagnostics standard streams.

1 files changed, 55 insertions, 0 deletions

diff --git a/src/include/diagnostics.H b/src/include/diagnostics.H
new file mode 100644
index 00000000..8f877e2f
--- /dev/null
+++ b/src/include/diagnostics.H
@@ -0,0 +1,55 @@
+// Copyright (C) 2013, Gabriel Dos Reis.
+// All rights reserved.
+// Written by Gabriel Dos Reis.
+//
+// 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 OpenAxiom. 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 OPENAXIOM_DIAGNOSTICS_included
+#define OPENAXIOM_DIAGNOSTICS_included
+
+#include <iostream>
+
+namespace OpenAxiom {
+   namespace Diagnostics {
+      struct StandardStream {
+         StandardStream(std::ostream& = std::cout, std::ostream& = std::cerr);
+         ~StandardStream();
+
+         std::ostream& output() const { return *out; }
+         std::ostream& error() const { return *err; }
+         std::ostream& set_output(std::ostream&);
+         std::ostream& set_error(std::ostream&);
+      private:
+         std::ostream* out;
+         std::ostream* err;
+      };
+   }
+}
+
+#endif