1 files changed, 61 insertions, 0 deletions
diff --git a/CIAO/CCF/CCF/CodeGenerationKit/IndentationBuffer.hpp b/CIAO/CCF/CCF/CodeGenerationKit/IndentationBuffer.hpp
new file mode 100644
index 00000000000..713f917e834
--- /dev/null
+++ b/CIAO/CCF/CCF/CodeGenerationKit/IndentationBuffer.hpp
@@ -0,0 +1,61 @@
+// file      : CCF/CodeGenerationKit/IndentationBuffer.hpp
+// author    : Boris Kolpackov <boris@dre.vanderbilt.edu>
+// cvs-id    : $Id$
+
+#ifndef CCF_CODE_GENERATION_KIT_INDENTATION_BUFFER_HPP
+#define CCF_CODE_GENERATION_KIT_INDENTATION_BUFFER_HPP
+
+#include "CCF/CompilerElements/ExH.hpp"
+
+#include <string>
+
+namespace Indentation
+{
+  template <typename C>
+  class Buffer
+  {
+  public:
+    class Exception_ {};
+    typedef
+    ExH::Compound <Exception_, ExH::Logic::DescriptiveException>
+    Exception;
+
+    class EndOfStream_ {};
+    typedef
+    ExH::Compound <EndOfStream_, Exception>
+    EndOfStream;
+
+  public:
+    virtual
+    ~Buffer () throw () {}
+
+  public:
+    typedef
+    std::char_traits<C>
+    traits_type;
+
+    typedef
+    typename traits_type::char_type
+    char_type;
+
+    typedef
+    typename traits_type::int_type
+    int_type;
+
+  public:
+    virtual int_type
+    put (char_type c) throw (Exception, ExH::System::Exception) = 0;
+
+    // Unbuffer flushes internal formatting buffers (if any).
+    // Note that unbuffer is not exactly flushing since it can
+    // result in formatting errors and in general can not be
+    // called at arbitrary points. Natural use case would be
+    // to call unbuffer at the end of the stream when no more
+    // data is expected.
+    //
+    virtual void
+    unbuffer () throw (EndOfStream, Exception, ExH::System::Exception) = 0;
+  };
+}
+
+#endif // CCF_CODE_GENERATION_KIT_INDENTATION_BUFFER_HPP