Next chunk of functionality

1 files changed, 51 insertions, 0 deletions

diff --git a/odb/database.cxx b/odb/database.cxx
new file mode 100644
index 0000000..d094397
--- /dev/null
+++ b/odb/database.cxx
@@ -0,0 +1,51 @@
+// file      : odb/database.cxx
+// author    : Boris Kolpackov <boris@codesynthesis.com>
+// copyright : Copyright (c) 2009-2010 Code Synthesis Tools CC
+// license   : GNU GPL v2; see accompanying LICENSE file
+
+#include <string>
+#include <istream>
+#include <ostream>
+#include <algorithm> // std::lower_bound
+
+#include <odb/database.hxx>
+
+using namespace std;
+
+static const char* str[] =
+{
+  "mysql",
+  "tracer"
+};
+
+const char* database::
+string () const
+{
+  return str[v_];
+}
+
+istream&
+operator>> (istream& is, database& db)
+{
+  string s;
+  is >> s;
+
+  if (!is.fail ())
+  {
+    const char** e (str + sizeof (str) / sizeof (char*));
+    const char** i (lower_bound (str, e, s));
+
+    if (i != e && *i == s)
+      db = database::value (i - str);
+    else
+      is.setstate (istream::failbit);
+  }
+
+  return is;
+}
+
+ostream&
+operator<< (ostream& os, database db)
+{
+  return os << db.string ();
+}