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, 60 insertions, 1 deletions

diff --git a/odb/option-functions.cxx b/odb/option-functions.cxx
index 6b7442e..aca4943 100644
--- a/odb/option-functions.cxx
+++ b/odb/option-functions.cxx
@@ -3,6 +3,7 @@
 // license   : GNU GPL v3; see accompanying LICENSE file
 
 #include <set>
+#include <utility> // std::make_pair()
 
 #include <odb/option-functions.hxx>
 
@@ -11,6 +12,8 @@ using namespace std;
 void
 process_options (options& o)
 {
+  database db (o.database ()[0]);
+
   // If --generate-schema-only was specified, then set --generate-schema
   // as well.
   //
@@ -23,8 +26,12 @@ process_options (options& o)
   {
     set<schema_format> f;
 
-    switch (o.database ())
+    switch (db)
     {
+    case database::common:
+      {
+        break; // No schema for common.
+      }
     case database::mssql:
     case database::mysql:
     case database::oracle:
@@ -42,4 +49,56 @@ process_options (options& o)
 
     o.schema_format (f);
   }
+
+  // Set default --*--file-suffix values.
+  //
+  {
+    database cm (database::common);
+
+    o.odb_file_suffix ().insert (make_pair (cm, string ("-odb")));
+    o.sql_file_suffix ().insert (make_pair (cm, string ("")));
+    o.schema_file_suffix ().insert (make_pair (cm, string ("-schema")));
+  }
+
+  if (o.multi_database () == multi_database::disabled)
+  {
+    o.odb_file_suffix ().insert (make_pair (db, string ("-odb")));
+    o.sql_file_suffix ().insert (make_pair (db, string ("")));
+    o.schema_file_suffix ().insert (make_pair (db, string ("-schema")));
+  }
+  else
+  {
+    o.odb_file_suffix ().insert (
+      make_pair (db, string ("-odb-") + db.string ()));
+    o.sql_file_suffix ().insert (
+      make_pair (db, string ("-") + db.string ()));
+    o.schema_file_suffix ().insert (
+      make_pair (db, string ("-schema-") + db.string ()));
+  }
+
+  // Set default --default-database value.
+  //
+  if (!o.default_database_specified ())
+  {
+    switch (o.multi_database ())
+    {
+    case multi_database::disabled:
+      {
+        o.default_database (db);
+        o.default_database_specified (true);
+        break;
+      }
+    case multi_database::dynamic:
+      {
+        o.default_database (database::common);
+        o.default_database_specified (true);
+        break;
+      }
+    case multi_database::static_:
+      {
+        // No default database unless explicitly specified.
+        break;
+      }
+    }
+  }
 }