Add printing capabilities for Digest
diff --git a/model/sync-digest.cc b/model/sync-digest.cc
index f6ad110..a6f91f7 100644
--- a/model/sync-digest.cc
+++ b/model/sync-digest.cc
@@ -26,7 +26,16 @@
#include <boost/assert.hpp>
#include <boost/exception/errinfo_at_line.hpp>
+// for printing, may be disabled in optimized build
+#include <boost/archive/iterators/base64_from_binary.hpp>
+#include <boost/archive/iterators/base64_from_binary.hpp>
+#include <boost/archive/iterators/transform_width.hpp>
+
using namespace boost;
+using namespace std;
+
+using namespace boost::archive::iterators;
+typedef base64_from_binary<transform_width<string::const_iterator, 6, 8> > base64_t;
namespace Sync {
@@ -128,5 +137,27 @@
}
+std::ostream&
+Digest::print (std::ostream &os) const
+{
+ BOOST_ASSERT (m_hashLength != 0);
+
+ ostreambuf_iterator<char> out_it (os); // ostream iterator
+ // need to encode to base64
+ copy (base64_t (reinterpret_cast<const char*> (m_buffer)),
+ base64_t (reinterpret_cast<const char*> (m_buffer+m_hashLength)),
+ out_it);
+
+ return os;
+}
+
+std::ostream &
+operator << (std::ostream &os, const Digest &digest)
+{
+ digest.print (os);
+ return os;
+}
+
+
} // Sync