mcs/class/System.Data/System.Data.OleDb/libgda.cs

   1 //
   2 // System.Data.OleDb.libgda
   3 //
   4 // Authors:
   5 //   Rodrigo Moya (rodrigo@ximian.com)
   6 //   Tim Coleman (tim@timcoleman.com)
   7 //
   8 // Copyright (C) Rodrigo Moya, 2002
   9 // Copyright (C) Tim Coleman, 2002
  10 //
  11
  12 using System.Data;
  13 using System.Data.Common;
  14 using System.Runtime.InteropServices;
  15
  16 namespace System.Data.OleDb
  17 {
  18         internal enum GdaCommandOptions {
  19                 IgnoreErrors = 1,
  20                 StopOnErrors = 1 << 1,
  21                 BadOption = 1 << 2,
  22         };
  23
  24         internal enum GdaCommandType {
  25                 Sql = 0,
  26                 Xml = 1,
  27                 Procedure = 2,
  28                 Table = 3,
  29                 Schema = 4,
  30                 Invalid = 5
  31         };
  32
  33         internal enum GdaValueType {
  34                 Null = 0,
  35                 Bigint = 1,
  36                 Binary = 2,
  37                 Boolean = 3,
  38                 Date = 4,
  39                 Double = 5,
  40                 GeometricPoint = 6,
  41                 Integer = 7,
  42                 List = 8,
  43                 Numeric = 9,
  44                 Single = 10,
  45                 Smallint = 11,
  46                 String = 12,
  47                 Time = 13,
  48                 Timestamp = 14,
  49                 Tinyint = 15,
  50                 Type = 16,
  51                 Unknown = 17
  52         };
  53
  54         [StructLayout(LayoutKind.Sequential)]
  55         internal class GdaList
  56         {
  57                 public IntPtr data;
  58                 public IntPtr next;
  59                 public IntPtr prev;
  60         }
  61
  62         sealed internal class libgda
  63         {
  64                 private static IntPtr gdaClient = IntPtr.Zero;
  65
  66                 public static IntPtr GdaClient
  67                 {
  68                         get {
  69                                 if (gdaClient == IntPtr.Zero)
  70                                         gdaClient = gda_client_new ();
  71
  72                                 return gdaClient;
  73                         }
  74                 }
  75
  76                 [DllImport("gda-2")]
  77                 public static extern void gda_init (string app_id, string version, int nargs, string[] args);
  78
  79                 [DllImport("gda-2")]
  80                 public static extern GdaValueType gda_value_get_vtype (IntPtr value);
  81
  82                 [DllImport("gda-2")]
  83                 public static extern bool gda_value_get_boolean (IntPtr value);
  84
  85                 [DllImport("gda-2")]
  86                 public static extern int gda_data_model_get_n_rows (IntPtr model);
  87
  88                 [DllImport("gda-2")]
  89                 public static extern int gda_data_model_get_n_columns (IntPtr model);
  90
  91                 [DllImport("gda-2")]
  92                 public static extern IntPtr gda_data_model_get_value_at (IntPtr model, int col, int row);
  93
  94                 [DllImport("gda-2")]
  95                 public static extern IntPtr gda_client_new ();
  96
  97                 [DllImport("gda-2")]
  98                 public static extern IntPtr gda_client_open_connection (IntPtr client, string dsn, string username, string password);
  99
 100                 [DllImport("gda-2")]
 101                 public static extern bool gda_connection_is_open (IntPtr cnc);
 102
 103                 [DllImport("gda-2")]
 104                 public static extern bool gda_connection_close (IntPtr cnc);
 105
 106                 [DllImport("gda-2")]
 107                 public static extern string gda_connection_get_database (IntPtr cnc);
 108
 109                 [DllImport("gda-2")]
 110                 public static extern string gda_connection_get_dsn (IntPtr cnc);
 111
 112                 [DllImport("gda-2")]
 113                 public static extern string gda_connection_get_cnc_string (IntPtr cnc);
 114
 115                 [DllImport("gda-2")]
 116                 public static extern string gda_connection_get_provider (IntPtr cnc);
 117
 118                 [DllImport("gda-2")]
 119                 public static extern string gda_connection_get_username (IntPtr cnc);
 120
 121                 [DllImport("gda-2")]
 122                 public static extern string gda_connection_get_password (IntPtr cnc);
 123
 124                 [DllImport("gda-2")]
 125                 public static extern IntPtr gda_transaction_new (string name);
 126
 127                 [DllImport("gda-2")]
 128                 public static extern IntPtr gda_transaction_get_name (IntPtr xaction);
 129
 130                 [DllImport("gda-2")]
 131                 public static extern IntPtr gda_transaction_set_name (IntPtr xaction, string name);
 132
 133                 [DllImport("gda-2")]
 134                 public static extern bool gda_connection_begin_transaction (IntPtr cnc, IntPtr xaction);
 135
 136                 [DllImport("gda-2")]
 137                 public static extern bool gda_connection_commit_transaction (IntPtr cnc, IntPtr xaction);
 138
 139                 [DllImport("gda-2")]
 140                 public static extern bool gda_connection_rollback_transaction (IntPtr cnc, IntPtr xaction);
 141
 142                 [DllImport("gda-2")]
 143                 public static extern IntPtr gda_connection_execute_command (IntPtr cnc, IntPtr cmd, IntPtr parameterList);
 144
 145                 [DllImport("gda-2")]
 146                 public static extern int gda_connection_execute_non_query (IntPtr cnc, IntPtr command, IntPtr parameterList);
 147
 148                 [DllImport("gda-2")]
 149                 public static extern IntPtr gda_connection_execute_single_command (IntPtr cnc, IntPtr command, IntPtr parameterList);
 150
 151                 [DllImport("gda-2")]
 152                 public static extern IntPtr gda_command_new (string text, GdaCommandType type, GdaCommandOptions options);
 153
 154                 [DllImport("gda-2")]
 155                 public static extern void gda_command_set_text (IntPtr cmd, string text);
 156
 157                 [DllImport("gda-2")]
 158                 public static extern void gda_command_set_command_type (IntPtr cmd, GdaCommandType type);
 159         }
 160 }