Static multi-database support

Add new options (--multi-database, --default-database). Generate common
code to -odb.?xx files and database-specific to -odb-<db>.?xx.

1 files changed, 45 insertions, 0 deletions

diff --git a/odb/option-types.cxx b/odb/option-types.cxx
index ceb71db..c52935e 100644
--- a/odb/option-types.cxx
+++ b/odb/option-types.cxx
@@ -52,6 +52,7 @@ operator>> (istream& is, cxx_version& v)
 
 static const char* database_[] =
 {
+  "common",
   "mssql",
   "mysql",
   "oracle",
@@ -92,6 +93,50 @@ operator<< (ostream& os, database db)
 }
 
 //
+// multi_database
+//
+
+static const char* multi_database_[] =
+{
+  "dynamic",
+  "static",
+  "disabled"
+};
+
+const char* multi_database::
+string () const
+{
+  return multi_database_[v_];
+}
+
+istream&
+operator>> (istream& is, multi_database& db)
+{
+  string s;
+  is >> s;
+
+  if (!is.fail ())
+  {
+    const char** e (
+      multi_database_ + sizeof (multi_database_) / sizeof (char*) - 1);
+    const char** i (lower_bound (multi_database_, e, s));
+
+    if (i != e && *i == s)
+      db = multi_database::value (i - multi_database_);
+    else
+      is.setstate (istream::failbit);
+  }
+
+  return is;
+}
+
+ostream&
+operator<< (ostream& os, multi_database db)
+{
+  return os << db.string ();
+}
+
+//
 // schema_format
 //