Add initial database model

1 files changed, 38 insertions, 0 deletions

diff --git a/bpkg/package.cxx b/bpkg/package.cxx
new file mode 100644
index 0000000..7ffb99d
--- /dev/null
+++ b/bpkg/package.cxx
@@ -0,0 +1,38 @@
+// file      : bpkg/package.cxx -*- C++ -*-
+// copyright : Copyright (c) 2014-2015 Code Synthesis Ltd
+// license   : MIT; see accompanying LICENSE file
+
+#include <bpkg/package>
+
+#include <stdexcept> // invalid_argument
+
+using namespace std;
+
+namespace bpkg
+{
+  string
+  to_string (state s)
+  {
+    switch (s)
+    {
+    case state::fetched:    return "fetched";
+    case state::unpacked:   return "unpacked";
+    case state::configured: return "configured";
+    case state::updated:    return "updated";
+    case state::broken:     return "broken";
+    }
+
+    return string (); // Should never reach.
+  }
+
+  state
+  from_string (const string& s)
+  {
+         if (s == "fetched")    return state::fetched;
+    else if (s == "unpacked")   return state::unpacked;
+    else if (s == "configured") return state::configured;
+    else if (s == "updated")    return state::updated;
+    else if (s == "broken")     return state::broken;
+    else                        throw invalid_argument (s);
+  }
+}