Cleaned up CA exceptions. Integrated free-standing handle class.

installer/src/installer-lib/database.h

 /**
  * \file database.h MSI database
  */
 
 #ifndef DATABASE_H
 #define DATABASE_H
 
 #include <string>
 #include <memory>
 
 #include <Windows.h>
 #include <Msi.h>
 #include <MsiQuery.h>
 
+#include "installer-lib.h"
 #include "handle.h"
 #include "session.h"
 
 // Forward declarations
 class View ;
 
 //-------------------------------------------------------
 // Database
 //-------------------------------------------------------
 /**
@@ skipping 84 matching lines @@
    *
    * \sa
    *   - MSDN [MsiOpenDatabase function](http://msdn.microsoft.com/en-us/library/aa370338%28v=vs.85%29.aspx)
    */
   msi_handle handle_from_pathname( const wchar_t * pathname )
   {
     MSIHANDLE handle ;
     UINT x = MsiOpenDatabaseW( pathname, MSIDBOPEN_READONLY, & handle ) ;
     if ( x != ERROR_SUCCESS )
     {
-      throw std::runtime_error( "Open database from file system failed" ) ;
+      throw windows_api_error( "MsiOpenDatabaseW", x, "MSI database on file system" ) ;
     }
     return msi_handle( handle ) ;
   }
 
 public:
   File_System_Database( const wchar_t * pathname )
     : Database( handle_from_pathname( pathname ) )
   {}
 } ;
 
@@ skipping 64 matching lines @@
    * End marker
    */
   inline Record end()
   {
     return Record( Record::null_t() ) ;
   }
 } ;
 
 
 #endif