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Comparing ibx/trunk/fbintf/client/FBAttachment.pas (file contents):
Revision 45 by tony, Tue Dec 6 10:33:46 2016 UTC vs.
Revision 209 by tony, Wed Mar 14 12:48:51 2018 UTC

# Line 25 | Line 25
25   *
26   *)
27   unit FBAttachment;
28 + {$IFDEF MSWINDOWS}
29 + {$DEFINE WINDOWS}
30 + {$ENDIF}
31  
32   {$IFDEF FPC}
33 < {$mode objfpc}{$H+}
33 > {$mode delphi}
34   {$interfaces COM}
35 + {$define HASREQEX}
36   {$ENDIF}
37  
38   interface
39  
40   uses
41 <  Classes, SysUtils, IB,  FBParamBlock, FBActivityMonitor;
41 >  Classes, SysUtils, {$IFDEF WINDOWS} windows, {$ENDIF} IB,  FBParamBlock, FBActivityMonitor;
42  
43   type
44 +  TCharsetMap = record
45 +    CharsetID: integer;
46 +    CharSetName: AnsiString;
47 +    CharSetWidth: integer;
48 +    CodePage: TSystemCodePage;
49 +    AllowReverseLookup: boolean; {used to ensure that lookup of CP_UTF* does not return UNICODE_FSS}
50 +  end;
51  
52    { TFBAttachment }
53  
# Line 44 | Line 55 | type
55    private
56      FDPB: IDPB;
57      FFirebirdAPI: IFirebirdAPI;
58 +    FODSMajorVersion: integer;
59 +    FODSMinorVersion: integer;
60 +    FUserCharSetMap: array of TCharSetMap;
61 +    FSecDatabase: AnsiString;
62    protected
63 <    FDatabaseName: string;
63 >    FDatabaseName: AnsiString;
64      FRaiseExceptionOnConnectError: boolean;
65      FSQLDialect: integer;
66      FHasDefaultCharSet: boolean;
67      FCharSetID: integer;
68      FCodePage: TSystemCodePage;
69 <    constructor Create(DatabaseName: string; DPB: IDPB;
69 >    FRemoteProtocol: AnsiString;
70 >    FAuthMethod: AnsiString;
71 >    constructor Create(DatabaseName: AnsiString; DPB: IDPB;
72        RaiseExceptionOnConnectError: boolean);
73      procedure CheckHandle; virtual; abstract;
74 <    function GenerateCreateDatabaseSQL(DatabaseName: string; aDPB: IDPB): string;
74 >    function GenerateCreateDatabaseSQL(DatabaseName: AnsiString; aDPB: IDPB): AnsiString;
75 >    procedure GetODSAndConnectionInfo;
76 >    function GetDBInfo(ReqBuffer: PByte; ReqBufLen: integer): IDBInformation; virtual; abstract;
77 >    function IsConnected: boolean; virtual; abstract;
78      procedure EndAllTransactions;
79 +    procedure DPBFromCreateSQL(CreateSQL: AnsiString);
80      procedure SetParameters(SQLParams: ISQLParams; params: array of const);
81    public
82      destructor Destroy; override;
83      function getDPB: IDPB;
84      function AllocateBPB: IBPB;
85 +    function AllocateDIRB: IDIRB;
86      function StartTransaction(TPB: array of byte; DefaultCompletion: TTransactionCompletion): ITransaction; overload; virtual; abstract;
87      function StartTransaction(TPB: ITPB; DefaultCompletion: TTransactionCompletion): ITransaction; overload; virtual; abstract;
88      procedure Disconnect(Force: boolean=false); virtual; abstract;
89 <    procedure ExecImmediate(transaction: ITransaction; sql: string; aSQLDialect: integer); overload; virtual; abstract;
90 <    procedure ExecImmediate(TPB: array of byte; sql: string; aSQLDialect: integer); overload;
91 <    procedure ExecImmediate(transaction: ITransaction; sql: string); overload;
92 <    procedure ExecImmediate(TPB: array of byte; sql: string); overload;
93 <    function ExecuteSQL(TPB: array of byte; sql: string; SQLDialect: integer; params: array of const): IResults; overload;
94 <    function ExecuteSQL(transaction: ITransaction; sql: string; SQLDialect: integer; params: array of const): IResults; overload;
95 <    function ExecuteSQL(TPB: array of byte; sql: string; params: array of const): IResults; overload;
96 <    function ExecuteSQL(transaction: ITransaction; sql: string; params: array of const): IResults; overload;
97 <    function OpenCursor(transaction: ITransaction; sql: string; aSQLDialect: integer): IResultSet; overload;
98 <    function OpenCursor(transaction: ITransaction; sql: string; aSQLDialect: integer;
89 >    procedure ExecImmediate(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer); overload; virtual; abstract;
90 >    procedure ExecImmediate(TPB: array of byte; sql: AnsiString; aSQLDialect: integer); overload;
91 >    procedure ExecImmediate(transaction: ITransaction; sql: AnsiString); overload;
92 >    procedure ExecImmediate(TPB: array of byte; sql: AnsiString); overload;
93 >    function ExecuteSQL(TPB: array of byte; sql: AnsiString; SQLDialect: integer; params: array of const): IResults; overload;
94 >    function ExecuteSQL(transaction: ITransaction; sql: AnsiString; SQLDialect: integer; params: array of const): IResults; overload;
95 >    function ExecuteSQL(TPB: array of byte; sql: AnsiString; params: array of const): IResults; overload;
96 >    function ExecuteSQL(transaction: ITransaction; sql: AnsiString; params: array of const): IResults; overload;
97 >    function OpenCursor(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer): IResultSet; overload;
98 >    function OpenCursor(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer;
99                               params: array of const): IResultSet; overload;
100 <    function OpenCursor(transaction: ITransaction; sql: string): IResultSet; overload;
101 <    function OpenCursor(transaction: ITransaction; sql: string;
100 >    function OpenCursor(transaction: ITransaction; sql: AnsiString): IResultSet; overload;
101 >    function OpenCursor(transaction: ITransaction; sql: AnsiString;
102                               params: array of const): IResultSet; overload;
103 <    function OpenCursorAtStart(transaction: ITransaction; sql: string; aSQLDialect: integer): IResultSet; overload;
104 <    function OpenCursorAtStart(transaction: ITransaction; sql: string; aSQLDialect: integer;
103 >    function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer): IResultSet; overload;
104 >    function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer;
105                               params: array of const): IResultSet; overload;
106 <    function OpenCursorAtStart(transaction: ITransaction; sql: string): IResultSet; overload;
107 <    function OpenCursorAtStart(transaction: ITransaction; sql: string;
106 >    function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString): IResultSet; overload;
107 >    function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString;
108                               params: array of const): IResultSet; overload;
109 <    function OpenCursorAtStart(sql: string): IResultSet; overload;
110 <    function OpenCursorAtStart(sql: string;
109 >    function OpenCursorAtStart(sql: AnsiString): IResultSet; overload;
110 >    function OpenCursorAtStart(sql: AnsiString;
111                               params: array of const): IResultSet; overload;
112 <    function Prepare(transaction: ITransaction; sql: string; aSQLDialect: integer): IStatement; overload; virtual; abstract;
113 <    function Prepare(transaction: ITransaction; sql: string): IStatement; overload;
114 <    function PrepareWithNamedParameters(transaction: ITransaction; sql: string;
112 >    function Prepare(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer): IStatement; overload; virtual; abstract;
113 >    function Prepare(transaction: ITransaction; sql: AnsiString): IStatement; overload;
114 >    function PrepareWithNamedParameters(transaction: ITransaction; sql: AnsiString;
115                         aSQLDialect: integer; GenerateParamNames: boolean=false): IStatement; overload; virtual; abstract;
116 <    function PrepareWithNamedParameters(transaction: ITransaction; sql: string;
116 >    function PrepareWithNamedParameters(transaction: ITransaction; sql: AnsiString;
117                         GenerateParamNames: boolean=false): IStatement; overload;
118      function GetEventHandler(Events: TStrings): IEvents; overload; virtual; abstract;
119 <    function GetEventHandler(Event: string): IEvents; overload;
119 >    function GetEventHandler(Event: AnsiString): IEvents; overload;
120  
121      function GetSQLDialect: integer;
122 <    function OpenBlob(transaction: ITransaction; BlobMetaData: IBlobMetaData; BlobID: TISC_QUAD; BPB: IBPB=nil): IBlob; virtual; abstract; overload;
122 >    function OpenBlob(transaction: ITransaction; BlobMetaData: IBlobMetaData; BlobID: TISC_QUAD; BPB: IBPB=nil): IBlob; overload; virtual; abstract;
123      function OpenBlob(transaction: ITransaction; Field: ISQLData; BPB: IBPB=nil): IBlob; overload;
124      property SQLDialect: integer read FSQLDialect;
103 –    property HasDefaultCharSet: boolean read FHasDefaultCharSet;
104 –    property CharSetID: integer read FCharSetID;
105 –    property CodePage: TSystemCodePage read FCodePage;
125      property DPB: IDPB read FDPB;
126 + public
127 +  function GetDBInformation(Requests: array of byte): IDBInformation; overload;
128 +  function GetDBInformation(Request: byte): IDBInformation; overload;
129 +  function GetDBInformation(Requests: IDIRB): IDBInformation; overload;
130 +  function GetConnectString: AnsiString;
131 +  function GetRemoteProtocol: AnsiString;
132 +  function GetAuthenticationMethod: AnsiString;
133 +  function GetSecurityDatabase: AnsiString;
134 +  function GetODSMajorVersion: integer;
135 +  function GetODSMinorVersion: integer;
136 +  {Character Sets}
137 +  function HasDefaultCharSet: boolean;
138 +  function GetDefaultCharSetID: integer;
139 +  function GetCharsetName(CharSetID: integer): AnsiString;
140 +  function CharSetID2CodePage(CharSetID: integer; var CodePage: TSystemCodePage): boolean;
141 +  function CodePage2CharSetID(CodePage: TSystemCodePage; var CharSetID: integer): boolean;
142 +  function CharSetName2CharSetID(CharSetName: AnsiString; var CharSetID: integer): boolean;
143 +  function CharSetWidth(CharSetID: integer; var Width: integer): boolean;
144 +  procedure RegisterCharSet(CharSetName: AnsiString; CodePage: TSystemCodePage;
145 +    AllowReverseLookup:boolean; out CharSetID: integer);
146 +  property CharSetID: integer read FCharSetID;
147 +  property CodePage: TSystemCodePage read FCodePage;
148    end;
149  
150   implementation
151  
152 < uses FBMessages, FBTransaction;
152 > uses FBMessages, IBUtils, FBTransaction {$IFDEF HASREQEX}, RegExpr{$ENDIF};
153 >
154 > const
155 >  CharSetMap: array [0..69] of TCharsetMap = (
156 >  (CharsetID: 0; CharSetName: 'NONE'; CharSetWidth: 1; CodePage: CP_ACP; AllowReverseLookup: true),
157 >  (CharsetID: 1; CharSetName: 'OCTETS'; CharSetWidth: 1; CodePage: CP_NONE; AllowReverseLookup: true),
158 >  (CharsetID: 2; CharSetName: 'ASCII'; CharSetWidth: 1; CodePage: CP_ASCII; AllowReverseLookup: true),
159 >  (CharsetID: 3; CharSetName: 'UNICODE_FSS'; CharSetWidth: 3; CodePage: CP_UTF8; AllowReverseLookup: false),
160 >  (CharsetID: 4; CharSetName: 'UTF8'; CharSetWidth: 4; CodePage: CP_UTF8; AllowReverseLookup: true),
161 >  (CharsetID: 5; CharSetName: 'SJIS_0208'; CharSetWidth: 2; CodePage: 20932; AllowReverseLookup: true),
162 >  (CharsetID: 6; CharSetName: 'EUCJ_0208'; CharSetWidth: 2; CodePage: 20932; AllowReverseLookup: true),
163 >  (CharsetID: 7; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: true),
164 >  (CharsetID: 8; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: true),
165 >  (CharsetID: 9; CharSetName: 'DOS737'; CharSetWidth: 1; CodePage: 737; AllowReverseLookup: true),
166 >  (CharsetID: 10; CharSetName: 'DOS437'; CharSetWidth: 1; CodePage: 437; AllowReverseLookup: true),
167 >  (CharsetID: 11; CharSetName: 'DOS850'; CharSetWidth: 1; CodePage: 850; AllowReverseLookup: true),
168 >  (CharsetID: 12; CharSetName: 'DOS865'; CharSetWidth: 1; CodePage: 865; AllowReverseLookup: true),
169 >  (CharsetID: 13; CharSetName: 'DOS860'; CharSetWidth: 1; CodePage: 860; AllowReverseLookup: true),
170 >  (CharsetID: 14; CharSetName: 'DOS863'; CharSetWidth: 1; CodePage: 863; AllowReverseLookup: true),
171 >  (CharsetID: 15; CharSetName: 'DOS775'; CharSetWidth: 1; CodePage: 775; AllowReverseLookup: true),
172 >  (CharsetID: 16; CharSetName: 'DOS858'; CharSetWidth: 1; CodePage: 858; AllowReverseLookup: true),
173 >  (CharsetID: 17; CharSetName: 'DOS862'; CharSetWidth: 1; CodePage: 862; AllowReverseLookup: true),
174 >  (CharsetID: 18; CharSetName: 'DOS864'; CharSetWidth: 1; CodePage: 864; AllowReverseLookup: true),
175 >  (CharsetID: 19; CharSetName: 'NEXT'; CharSetWidth: 1; CodePage: CP_NONE; AllowReverseLookup: true),
176 >  (CharsetID: 20; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: true),
177 >  (CharsetID: 21; CharSetName: 'ISO8859_1'; CharSetWidth: 1; CodePage: 28591; AllowReverseLookup: true),
178 >  (CharsetID: 22; CharSetName: 'ISO8859_2'; CharSetWidth: 1; CodePage: 28592; AllowReverseLookup: true),
179 >  (CharsetID: 23; CharSetName: 'ISO8859_3'; CharSetWidth: 1; CodePage: 28593; AllowReverseLookup: true),
180 >  (CharsetID: 24; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
181 >  (CharsetID: 25; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
182 >  (CharsetID: 26; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
183 >  (CharsetID: 27; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
184 >  (CharsetID: 28; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
185 >  (CharsetID: 29; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
186 >  (CharsetID: 30; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
187 >  (CharsetID: 31; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
188 >  (CharsetID: 32; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
189 >  (CharsetID: 33; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
190 >  (CharsetID: 34; CharSetName: 'ISO8859_4'; CharSetWidth: 1; CodePage: 28594; AllowReverseLookup: true),
191 >  (CharsetID: 35; CharSetName: 'ISO8859_5'; CharSetWidth: 1; CodePage: 28595; AllowReverseLookup: true),
192 >  (CharsetID: 36; CharSetName: 'ISO8859_6'; CharSetWidth: 1; CodePage: 28596; AllowReverseLookup: true),
193 >  (CharsetID: 37; CharSetName: 'ISO8859_7'; CharSetWidth: 1; CodePage: 28597; AllowReverseLookup: true),
194 >  (CharsetID: 38; CharSetName: 'ISO8859_8'; CharSetWidth: 1; CodePage: 28598; AllowReverseLookup: true),
195 >  (CharsetID: 39; CharSetName: 'ISO8859_9'; CharSetWidth: 1; CodePage: 28599; AllowReverseLookup: true),
196 >  (CharsetID: 40; CharSetName: 'ISO8859_13'; CharSetWidth: 1; CodePage: 28603; AllowReverseLookup: true),
197 >  (CharsetID: 41; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
198 >  (CharsetID: 42; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
199 >  (CharsetID: 43; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
200 >  (CharsetID: 44; CharSetName: 'KSC_5601'; CharSetWidth: 2; CodePage: 949; AllowReverseLookup: true),
201 >  (CharsetID: 45; CharSetName: 'DOS852'; CharSetWidth: 1; CodePage: 852; AllowReverseLookup: true),
202 >  (CharsetID: 46; CharSetName: 'DOS857'; CharSetWidth: 1; CodePage: 857; AllowReverseLookup: true),
203 >  (CharsetID: 47; CharSetName: 'DOS861'; CharSetWidth: 1; CodePage: 861; AllowReverseLookup: true),
204 >  (CharsetID: 48; CharSetName: 'DOS866'; CharSetWidth: 1; CodePage: 866; AllowReverseLookup: true),
205 >  (CharsetID: 49; CharSetName: 'DOS869'; CharSetWidth: 1; CodePage: 869; AllowReverseLookup: true),
206 >  (CharsetID: 50; CharSetName: 'CYRL'; CharSetWidth: 1; CodePage: 1251; AllowReverseLookup: true),
207 >  (CharsetID: 51; CharSetName: 'WIN1250'; CharSetWidth: 1; CodePage: 1250; AllowReverseLookup: true),
208 >  (CharsetID: 52; CharSetName: 'WIN1251'; CharSetWidth: 1; CodePage: 1251; AllowReverseLookup: true),
209 >  (CharsetID: 53; CharSetName: 'WIN1252'; CharSetWidth: 1; CodePage: 1252; AllowReverseLookup: true),
210 >  (CharsetID: 54; CharSetName: 'WIN1253'; CharSetWidth: 1; CodePage: 1253; AllowReverseLookup: true),
211 >  (CharsetID: 55; CharSetName: 'WIN1254'; CharSetWidth: 1; CodePage: 1254; AllowReverseLookup: true),
212 >  (CharsetID: 56; CharSetName: 'BIG_5'; CharSetWidth: 2; CodePage: 950; AllowReverseLookup: true),
213 >  (CharsetID: 57; CharSetName: 'GB_2312'; CharSetWidth: 2; CodePage: 936; AllowReverseLookup: true),
214 >  (CharsetID: 58; CharSetName: 'WIN1255'; CharSetWidth: 1; CodePage: 1255; AllowReverseLookup: true),
215 >  (CharsetID: 59; CharSetName: 'WIN1256'; CharSetWidth: 1; CodePage: 1256; AllowReverseLookup: true),
216 >  (CharsetID: 60; CharSetName: 'WIN1257'; CharSetWidth: 1; CodePage: 1257; AllowReverseLookup: true),
217 >  (CharsetID: 61; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
218 >  (CharsetID: 62; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
219 >  (CharsetID: 63; CharSetName: 'KOI8R'; CharSetWidth: 1; CodePage: 20866; AllowReverseLookup: true),
220 >  (CharsetID: 64; CharSetName: 'KOI8U'; CharSetWidth: 1; CodePage: 21866; AllowReverseLookup: true),
221 >  (CharsetID: 65; CharSetName: 'WIN1258'; CharSetWidth: 1; CodePage: 1258; AllowReverseLookup: true),
222 >  (CharsetID: 66; CharSetName: 'TIS620'; CharSetWidth: 1; CodePage: 874; AllowReverseLookup: true),
223 >  (CharsetID: 67; CharSetName: 'GBK'; CharSetWidth: 2; CodePage: 936; AllowReverseLookup: true),
224 >  (CharsetID: 68; CharSetName: 'CP943C'; CharSetWidth: 2; CodePage: 943; AllowReverseLookup: true),
225 >  (CharsetID: 69; CharSetName: 'GB18030'; CharSetWidth: 4; CodePage: 54936; AllowReverseLookup: true)
226 > );
227 >
228 >
229 >
230  
231   { TFBAttachment }
232  
233 < constructor TFBAttachment.Create(DatabaseName: string; DPB: IDPB;
233 > procedure TFBAttachment.GetODSAndConnectionInfo;
234 > var DBInfo: IDBInformation;
235 >    i: integer;
236 >    Stmt: IStatement;
237 >    ResultSet: IResultSet;
238 >    Param: IDPBItem;
239 > begin
240 >  if not IsConnected then Exit;
241 >  DBInfo := GetDBInformation([isc_info_db_id,isc_info_ods_version,isc_info_ods_minor_version,
242 >                               isc_info_db_SQL_Dialect]);
243 >  for i := 0 to DBInfo.GetCount - 1 do
244 >    with DBInfo[i] do
245 >      case getItemType of
246 >      isc_info_ods_minor_version:
247 >        FODSMinorVersion := getAsInteger;
248 >      isc_info_ods_version:
249 >        FODSMajorVersion := getAsInteger;
250 >      isc_info_db_SQL_Dialect:
251 >        FSQLDialect := getAsInteger;
252 >      end;
253 >
254 >  FCharSetID := 0;
255 >  FRemoteProtocol := '';
256 >  FAuthMethod := 'Legacy_Auth';
257 >  FSecDatabase := 'Default';
258 >  if FODSMajorVersion > 11 then
259 >  begin
260 >    Stmt := Prepare(StartTransaction([isc_tpb_read,isc_tpb_nowait,isc_tpb_concurrency],taCommit),
261 >                    'Select MON$CHARACTER_SET_ID, MON$REMOTE_PROTOCOL, MON$AUTH_METHOD, MON$SEC_DATABASE From MON$ATTACHMENTS, MON$DATABASE '+
262 >                    'Where MON$ATTACHMENT_ID = CURRENT_CONNECTION');
263 >    ResultSet := Stmt.OpenCursor;
264 >    if ResultSet.FetchNext then
265 >    begin
266 >      FCharSetID := ResultSet[0].AsInteger;
267 >      FRemoteProtocol := Trim(ResultSet[1].AsString);
268 >      FAuthMethod := Trim(ResultSet[2].AsString);
269 >      FSecDatabase := Trim(ResultSet[3].AsString);
270 >    end
271 >  end
272 >  else
273 >  if (FODSMajorVersion = 11) and (FODSMinorVersion >= 1) then
274 >  begin
275 >    Stmt := Prepare(StartTransaction([isc_tpb_read,isc_tpb_nowait,isc_tpb_concurrency],taCommit),
276 >                    'Select MON$CHARACTER_SET_ID, MON$REMOTE_PROTOCOL From MON$ATTACHMENTS '+
277 >                    'Where MON$ATTACHMENT_ID = CURRENT_CONNECTION');
278 >    ResultSet := Stmt.OpenCursor;
279 >    if ResultSet.FetchNext then
280 >    begin
281 >      FCharSetID := ResultSet[0].AsInteger;
282 >      FRemoteProtocol := Trim(ResultSet[1].AsString);
283 >    end
284 >  end
285 >  else
286 >  if DPB <> nil then
287 >  begin
288 >    Param :=  DPB.Find(isc_dpb_lc_ctype);
289 >    if (Param = nil) or not CharSetName2CharSetID(Param.AsString,FCharSetID) then
290 >      FCharSetID := 0;
291 >    case GetProtocol(FDatabaseName) of
292 >    TCP:       FRemoteProtocol := 'TCPv4';
293 >    Local:     FRemoteProtocol := '';
294 >    NamedPipe: FRemoteProtocol := 'Netbui';
295 >    SPX:       FRemoteProtocol := 'SPX'
296 >    end;
297 >  end;
298 >  FHasDefaultCharSet := CharSetID2CodePage(FCharSetID,FCodePage) and (FCharSetID > 1);
299 > end;
300 >
301 > constructor TFBAttachment.Create(DatabaseName: AnsiString; DPB: IDPB;
302    RaiseExceptionOnConnectError: boolean);
303   begin
304    inherited Create;
# Line 120 | Line 306 | begin
306    FSQLDialect := 3;
307    FDatabaseName := DatabaseName;
308    FDPB := DPB;
309 +  SetLength(FUserCharSetMap,0);
310    FRaiseExceptionOnConnectError := RaiseExceptionOnConnectError;
311 +  FODSMajorVersion := 0;
312 +  FODSMinorVersion := 0;
313   end;
314  
315 < function TFBAttachment.GenerateCreateDatabaseSQL(DatabaseName: string;  aDPB: IDPB): string;
316 < var CreateParams: string;
315 > function TFBAttachment.GenerateCreateDatabaseSQL(DatabaseName: AnsiString;  aDPB: IDPB): AnsiString;
316 > var CreateParams: AnsiString;
317      DPBItem: IDPBItem;
318   begin
319    CreateParams := '';
# Line 133 | Line 322 | begin
322    begin
323      DPBItem :=  aDPB.Find(isc_dpb_user_name);
324      if DPBItem <> nil then
325 <      CreateParams += ' USER ''' + DPBItem.AsString + '''';
325 >      CreateParams := CreateParams + ' USER ''' + DPBItem.AsString + '''';
326  
327      DPBItem :=  aDPB.Find(isc_dpb_password);
328      if DPBItem <> nil then
329 <      CreateParams += ' Password ''' + DPBItem.AsString + '''';
329 >      CreateParams := CreateParams + ' Password ''' + DPBItem.AsString + '''';
330  
331      DPBItem :=  aDPB.Find(isc_dpb_page_size);
332      if DPBItem <> nil then
333 <      CreateParams += ' PAGE_SIZE ' + DPBItem.AsString;
333 >      CreateParams := CreateParams + ' PAGE_SIZE ' + DPBItem.AsString;
334  
335      DPBItem :=  aDPB.Find(isc_dpb_lc_ctype);
336      if DPBItem <> nil then
337 <      CreateParams += ' DEFAULT CHARACTER SET ' + DPBItem.AsString;
337 >      CreateParams := CreateParams + ' DEFAULT CHARACTER SET ' + DPBItem.AsString;
338  
339      DPBItem :=  aDPB.Find(isc_dpb_sql_dialect);
340      if DPBItem <> nil then
# Line 167 | Line 356 | begin
356    end;
357   end;
358  
359 + {$IFDEF HASREQEX}
360 + procedure TFBAttachment.DPBFromCreateSQL(CreateSQL: AnsiString);
361 + var RegexObj: TRegExpr;
362 + begin
363 +  FDPB := FFirebirdAPI.AllocateDPB;
364 +  RegexObj := TRegExpr.Create;
365 +  try
366 +    {extact database file spec}
367 +    RegexObj.ModifierG := false; {turn off greedy matches}
368 +    RegexObj.ModifierI := true; {case insensitive match}
369 +    RegexObj.Expression := '^ *CREATE +(DATABASE|SCHEMA) +''.*'' +USER +''(.+)'' PASSWORD +''(.+)''';
370 +    if RegexObj.Exec(CreateSQL) then
371 +    begin
372 +      DPB.Add(isc_dpb_user_name).AsString := system.copy(CreateSQL,RegexObj.MatchPos[2],RegexObj.MatchLen[2]);
373 +      DPB.Add(isc_dpb_password).AsString := system.copy(CreateSQL,RegexObj.MatchPos[3],RegexObj.MatchLen[3]);
374 +    end
375 +    else
376 +    begin
377 +      RegexObj.Expression := '^ *CREATE +(DATABASE|SCHEMA) +(''.*'') +USER +''(.+)''';
378 +      if RegexObj.Exec(CreateSQL) then
379 +        DPB.Add(isc_dpb_user_name).AsString := system.copy(CreateSQL,RegexObj.MatchPos[2],RegexObj.MatchLen[2]);
380 +    end;
381 +  finally
382 +    RegexObj.Free;
383 +  end;
384 +  if FCharSetID > 0 then
385 +    DPB.Add(isc_dpb_lc_ctype).AsString := GetCharSetName(FCharSetID);
386 +  DPB.Add(isc_dpb_set_db_SQL_dialect).setAsByte(FSQLDialect);
387 + end;
388 + {$ELSE}
389 + procedure TFBAttachment.DPBFromCreateSQL(CreateSQL: AnsiString);
390 + begin
391 +  FDPB := FFirebirdAPI.AllocateDPB;
392 +  if FCharSetID > 0 then
393 +    DPB.Add(isc_dpb_lc_ctype).AsString := GetCharSetName(FCharSetID);
394 +  DPB.Add(isc_dpb_set_db_SQL_dialect).setAsByte(FSQLDialect);
395 + end;
396 + {$ENDIF}
397 +
398   procedure TFBAttachment.SetParameters(SQLParams: ISQLParams;
399    params: array of const);
400   var i: integer;
# Line 179 | Line 407 | begin
407      case params[i].vtype of
408        vtinteger    :
409          SQLParams[i].AsInteger := params[i].vinteger;
410 +      vtInt64:
411 +        SQLParams[i].AsInt64 := params[i].VInt64^;
412 +      {$IF declared (vtQWord)}
413 +      vtQWord:
414 +        SQLParams[i].AsInt64 := params[i].VQWord^;
415 +      {$IFEND}
416        vtboolean    :
417          SQLParams[i].AsBoolean :=  params[i].vboolean;
418        vtchar       :
# Line 188 | Line 422 | begin
422        vtCurrency:
423          SQLParams[i].AsDouble := params[i].VCurrency^;
424        vtString     :
425 <        SQLParams[i].AsString := params[i].VString^;
425 >        SQLParams[i].AsString := strpas(PChar(params[i].VString));
426        vtPChar      :
427          SQLParams[i].AsString := strpas(params[i].VPChar);
428        vtAnsiString :
429 <        SQLParams[i].AsString := AnsiString(params[i].VAnsiString^);
429 >        SQLParams[i].AsString := strpas(PAnsiChar(params[i].VAnsiString));
430        vtVariant:
431          SQLParams[i].AsVariant := params[i].VVariant^;
432 +      vtWideChar:
433 +        SQLParams[i].AsString := UTF8Encode(WideCharLenToString(@params[i].VWideChar,1));
434 +      vtPWideChar:
435 +        SQLParams[i].AsString := UTF8Encode(strpas(PWideChar(params[i].VPWideChar)));
436 +      vtWideString:
437 +        SQLParams[i].AsString := UTF8Encode(strpas(PWideChar(params[i].VWideString)));
438 +      vtUnicodeString:
439 +        SQLParams[i].AsString := UTF8Encode(strpas(PWideChar(params[i].VUnicodeString)));
440      else
441          IBError(ibxeInvalidVariantType,[nil]);
442      end;
# Line 217 | Line 459 | begin
459    Result := TBPB.Create;
460   end;
461  
462 < procedure TFBAttachment.ExecImmediate(TPB: array of byte; sql: string;
462 > function TFBAttachment.AllocateDIRB: IDIRB;
463 > begin
464 >  Result := TDIRB.Create;
465 > end;
466 >
467 > procedure TFBAttachment.ExecImmediate(TPB: array of byte; sql: AnsiString;
468    aSQLDialect: integer);
469   begin
470    ExecImmediate(StartTransaction(TPB,taCommit),sql,aSQLDialect);
471   end;
472  
473 < procedure TFBAttachment.ExecImmediate(transaction: ITransaction; sql: string);
473 > procedure TFBAttachment.ExecImmediate(transaction: ITransaction; sql: AnsiString);
474   begin
475    ExecImmediate(transaction,sql,FSQLDialect);
476   end;
477  
478 < procedure TFBAttachment.ExecImmediate(TPB: array of byte; sql: string);
478 > procedure TFBAttachment.ExecImmediate(TPB: array of byte; sql: AnsiString);
479   begin
480    ExecImmediate(StartTransaction(TPB,taCommit),sql,FSQLDialect);
481   end;
482  
483 < function TFBAttachment.ExecuteSQL(TPB: array of byte; sql: string;
483 > function TFBAttachment.ExecuteSQL(TPB: array of byte; sql: AnsiString;
484    SQLDialect: integer; params: array of const): IResults;
485   begin
486 <  Result := ExecuteSQL(StartTransaction(TPB,taCommit),sql,FSQLDialect,params);
486 >  Result := ExecuteSQL(StartTransaction(TPB,taCommit),sql,SQLDialect,params);
487   end;
488  
489 < function TFBAttachment.ExecuteSQL(transaction: ITransaction; sql: string;
489 > function TFBAttachment.ExecuteSQL(transaction: ITransaction; sql: AnsiString;
490    SQLDialect: integer; params: array of const): IResults;
491   begin
492    with Prepare(transaction,sql,SQLDialect) do
# Line 249 | Line 496 | begin
496    end;
497   end;
498  
499 < function TFBAttachment.ExecuteSQL(TPB: array of byte; sql: string;
499 > function TFBAttachment.ExecuteSQL(TPB: array of byte; sql: AnsiString;
500    params: array of const): IResults;
501   begin
502     Result := ExecuteSQL(StartTransaction(TPB,taCommit),sql,params);
503   end;
504  
505 < function TFBAttachment.ExecuteSQL(transaction: ITransaction; sql: string;
505 > function TFBAttachment.ExecuteSQL(transaction: ITransaction; sql: AnsiString;
506    params: array of const): IResults;
507   begin
508    with Prepare(transaction,sql,FSQLDialect) do
# Line 265 | Line 512 | begin
512    end;
513   end;
514  
515 < function TFBAttachment.OpenCursor(transaction: ITransaction; sql: string;
515 > function TFBAttachment.OpenCursor(transaction: ITransaction; sql: AnsiString;
516    aSQLDialect: integer): IResultSet;
517   begin
518    Result := OpenCursor(transaction,sql,aSQLDialect,[]);
519   end;
520  
521 < function TFBAttachment.OpenCursor(transaction: ITransaction; sql: string;
521 > function TFBAttachment.OpenCursor(transaction: ITransaction; sql: AnsiString;
522    aSQLDialect: integer; params: array of const): IResultSet;
523   var Statement: IStatement;
524   begin
# Line 281 | Line 528 | begin
528    Result := Statement.OpenCursor;
529   end;
530  
531 < function TFBAttachment.OpenCursor(transaction: ITransaction; sql: string
531 > function TFBAttachment.OpenCursor(transaction: ITransaction; sql: AnsiString
532    ): IResultSet;
533   begin
534    Result := OpenCursor(transaction,sql,FSQLDialect,[]);
535   end;
536  
537 < function TFBAttachment.OpenCursor(transaction: ITransaction; sql: string;
537 > function TFBAttachment.OpenCursor(transaction: ITransaction; sql: AnsiString;
538    params: array of const): IResultSet;
539   begin
540    Result := OpenCursor(transaction,sql,FSQLDialect,params);
541   end;
542  
543   function TFBAttachment.OpenCursorAtStart(transaction: ITransaction;
544 <  sql: string; aSQLDialect: integer): IResultSet;
544 >  sql: AnsiString; aSQLDialect: integer): IResultSet;
545   begin
546    Result := OpenCursor(transaction,sql,aSQLDialect,[]);
547    Result.FetchNext;
548   end;
549  
550   function TFBAttachment.OpenCursorAtStart(transaction: ITransaction;
551 <  sql: string; aSQLDialect: integer; params: array of const): IResultSet;
551 >  sql: AnsiString; aSQLDialect: integer; params: array of const): IResultSet;
552   begin
553    Result := OpenCursor(transaction,sql,aSQLDialect,params);
554    Result.FetchNext;
555   end;
556  
557 < function TFBAttachment.OpenCursorAtStart(transaction: ITransaction; sql: string
557 > function TFBAttachment.OpenCursorAtStart(transaction: ITransaction; sql: AnsiString
558    ): IResultSet;
559   begin
560    Result := OpenCursorAtStart(transaction,sql,FSQLDialect,[]);
561   end;
562  
563   function TFBAttachment.OpenCursorAtStart(transaction: ITransaction;
564 <  sql: string; params: array of const): IResultSet;
564 >  sql: AnsiString; params: array of const): IResultSet;
565   begin
566    Result := OpenCursorAtStart(transaction,sql,FSQLDialect,params);
567   end;
568  
569 < function TFBAttachment.OpenCursorAtStart(sql: string): IResultSet;
569 > function TFBAttachment.OpenCursorAtStart(sql: AnsiString): IResultSet;
570   begin
571    Result := OpenCursorAtStart(sql,[]);
572   end;
573  
574 < function TFBAttachment.OpenCursorAtStart(sql: string;
574 > function TFBAttachment.OpenCursorAtStart(sql: AnsiString;
575    params: array of const): IResultSet;
576   begin
577    Result := OpenCursorAtStart(StartTransaction([isc_tpb_read,isc_tpb_wait,isc_tpb_concurrency],taCommit),sql,FSQLDialect,params);
578   end;
579  
580 < function TFBAttachment.Prepare(transaction: ITransaction; sql: string
580 > function TFBAttachment.Prepare(transaction: ITransaction; sql: AnsiString
581    ): IStatement;
582   begin
583    Result := Prepare(transaction,sql,FSQLDialect);
584   end;
585  
586   function TFBAttachment.PrepareWithNamedParameters(transaction: ITransaction;
587 <  sql: string; GenerateParamNames: boolean): IStatement;
587 >  sql: AnsiString; GenerateParamNames: boolean): IStatement;
588   begin
589    Result := PrepareWithNamedParameters(transaction,sql,FSQLDialect,GenerateParamNames);
590   end;
591  
592 < function TFBAttachment.GetEventHandler(Event: string): IEvents;
592 > function TFBAttachment.GetEventHandler(Event: AnsiString): IEvents;
593   var S: TStringList;
594   begin
595    S := TStringList.Create;
# Line 365 | Line 612 | begin
612    Result := OpenBlob(Transaction,Field.GetBlobMetadata, Field.AsQuad,BPB);
613   end;
614  
615 + function TFBAttachment.GetDBInformation(Requests: array of byte
616 +  ): IDBInformation;
617 + var ReqBuffer: PByte;
618 +    i: integer;
619 + begin
620 +  CheckHandle;
621 +  if Length(Requests) = 1 then
622 +    Result := GetDBInformation(Requests[0])
623 +  else
624 +  begin
625 +    GetMem(ReqBuffer,Length(Requests));
626 +    try
627 +      for i := 0 to Length(Requests) - 1 do
628 +        ReqBuffer[i] := Requests[i];
629 +
630 +      Result := GetDBInfo(ReqBuffer,Length(Requests));
631 +
632 +    finally
633 +      FreeMem(ReqBuffer);
634 +    end;
635 +  end;
636 + end;
637 +
638 + function TFBAttachment.GetDBInformation(Request: byte): IDBInformation;
639 + begin
640 +  CheckHandle;
641 +  Result := GetDBInfo(@Request,1);
642 + end;
643 +
644 + function TFBAttachment.GetDBInformation(Requests: IDIRB): IDBInformation;
645 + begin
646 +  CheckHandle;
647 +  with Requests as TDIRB do
648 +    Result := GetDBInfo(getBuffer,getDataLength);
649 + end;
650 +
651 + function TFBAttachment.GetConnectString: AnsiString;
652 + begin
653 +  Result := FDatabaseName;
654 + end;
655 +
656 + function TFBAttachment.GetRemoteProtocol: AnsiString;
657 + begin
658 +  Result := FRemoteProtocol;
659 + end;
660 +
661 + function TFBAttachment.GetAuthenticationMethod: AnsiString;
662 + begin
663 +  Result := FAuthMethod;
664 + end;
665 +
666 + function TFBAttachment.GetSecurityDatabase: AnsiString;
667 + begin
668 +  Result := FSecDatabase;
669 + end;
670 +
671 + function TFBAttachment.GetODSMajorVersion: integer;
672 + begin
673 +  Result := FODSMajorVersion;
674 + end;
675 +
676 + function TFBAttachment.GetODSMinorVersion: integer;
677 + begin
678 +  Result := FODSMinorVersion;
679 + end;
680 +
681 + function TFBAttachment.HasDefaultCharSet: boolean;
682 + begin
683 +  Result := FHasDefaultCharSet
684 + end;
685 +
686 + function TFBAttachment.GetDefaultCharSetID: integer;
687 + begin
688 +  Result := FCharsetID;
689 + end;
690 +
691 + function TFBAttachment.GetCharsetName(CharSetID: integer): AnsiString;
692 + var i: integer;
693 + begin
694 +  Result := '';
695 +  if (CharSetID >= Low(CharSetMap)) and (CharSetID <= High(CharSetMap)) and
696 +                                  (CharSetMap[CharSetID].CharSetID = CharSetID) then
697 +    begin
698 +      Result := CharSetMap[CharSetID].CharSetName;
699 +      Exit;
700 +    end;
701 +
702 +  for i := 0 to Length(FUserCharSetMap) - 1 do
703 +    if FUserCharSetMap[i].CharSetID = CharSetID then
704 +    begin
705 +      Result := FUserCharSetMap[i].CharSetName;
706 +      Exit;
707 +    end;
708 + end;
709 +
710 + function TFBAttachment.CharSetID2CodePage(CharSetID: integer;
711 +  var CodePage: TSystemCodePage): boolean;
712 + var i: integer;
713 + begin
714 +  Result := (CharSetID >= Low(CharSetMap)) and (CharSetID <= High(CharSetMap))
715 +               and (CharSetMap[CharSetID].CharSetID = CharSetID);
716 +  if Result then
717 +    begin
718 +      CodePage := CharSetMap[CharSetID].CodePage;
719 +      Result := true;
720 +      Exit;
721 +    end;
722 +
723 +  for i := 0 to Length(FUserCharSetMap) - 1 do
724 +    if FUserCharSetMap[i].CharSetID = CharSetID then
725 +    begin
726 +      CodePage := FUserCharSetMap[i].CodePage;
727 +      Result := true;
728 +      Exit;
729 +    end;
730 + end;
731 +
732 + function TFBAttachment.CodePage2CharSetID(CodePage: TSystemCodePage;
733 +  var CharSetID: integer): boolean;
734 + var i: integer;
735 + begin
736 +  Result := false;
737 +  for i := Low(CharSetMap) to High(CharSetMap) do
738 +    if (CharSetMap[i].AllowReverseLookup) and (CharSetMap[i].CodePage = CodePage) then
739 +    begin
740 +      CharSetID := CharSetMap[i].CharSetID;
741 +      Result := true;
742 +      Exit;
743 +    end;
744 +
745 +  for i := 0 to Length(FUserCharSetMap) - 1 do
746 +    if (FUserCharSetMap[i].AllowReverseLookup) and (FUserCharSetMap[i].CodePage = CodePage) then
747 +    begin
748 +      CharSetID := FUserCharSetMap[i].CharSetID;
749 +      Result := true;
750 +      Exit;
751 +    end;
752 + end;
753 +
754 + function TFBAttachment.CharSetName2CharSetID(CharSetName: AnsiString;
755 +  var CharSetID: integer): boolean;
756 + var i: integer;
757 + begin
758 +  Result := false;
759 +  for i := Low(CharSetMap) to High(CharSetMap) do
760 +    if AnsiCompareStr(CharSetMap[i].CharSetName, CharSetName) = 0 then
761 +    begin
762 +      CharSetID := CharSetMap[i].CharSetID;
763 +      Result := true;
764 +      Exit;
765 +    end;
766 +
767 +    for i := 0 to Length(FUserCharSetMap) - 1 do
768 +      if AnsiCompareStr(FUserCharSetMap[i].CharSetName, CharSetName) = 0 then
769 +      begin
770 +        CharSetID := FUserCharSetMap[i].CharSetID;
771 +        Result := true;
772 +        Exit;
773 +      end;
774 + end;
775 +
776 + function TFBAttachment.CharSetWidth(CharSetID: integer; var Width: integer
777 +  ): boolean;
778 + var i: integer;
779 + begin
780 +  Result := (CharSetID >= Low(CharSetMap)) and (CharSetID <= High(CharSetMap))
781 +               and (CharSetMap[CharSetID].CharSetID = CharSetID);
782 +  if Result then
783 +    begin
784 +      Width := CharSetMap[CharSetID].CharSetWidth;
785 +      Result := true;
786 +      Exit;
787 +    end;
788 +
789 +  for i := 0 to Length(FUserCharSetMap) - 1 do
790 +    if FUserCharSetMap[i].CharSetID = CharSetID then
791 +    begin
792 +      Width := FUserCharSetMap[i].CharSetWidth;
793 +      Result := true;
794 +      Exit;
795 +    end;
796 + end;
797 +
798 + const
799 +  sqlLookupCharSet = 'Select RDB$CHARACTER_SET_ID, RDB$BYTES_PER_CHARACTER From RDB$CHARACTER_SETS '+
800 +                     'Where RDB$SYSTEM_FLAG = 0 and RDB$CHARACTER_SET_NAME = UPPER(?)';
801 +
802 + procedure TFBAttachment.RegisterCharSet(CharSetName: AnsiString;
803 +  CodePage: TSystemCodePage; AllowReverseLookup: boolean; out CharSetID: integer
804 +  );
805 + var CharSets: IResultSet;
806 +    idx: integer;
807 + begin
808 +  if CharSetName2CharSetID(CharSetName,CharSetID) then
809 +    IBError(ibxeCharacterSetExists,[CharSetName]);
810 +
811 +  CharSets := OpenCursorAtStart(sqlLookupCharSet,[CharSetName]);
812 +  if CharSets.IsEof then
813 +    IBError(ibxeUnknownUserCharSet,[CharSetName]);
814 +
815 +  idx := Length(FUserCharSetMap);
816 +  SetLength(FUserCharSetMap,idx+1);
817 +  FUserCharSetMap[idx].AllowReverseLookup := AllowReverseLookup;
818 +  FUserCharSetMap[idx].CharSetID := CharSets[0].AsInteger;
819 +  FUserCharSetMap[idx].CharSetName := AnsiUpperCase(CharSetName);
820 +  FUserCharSetMap[idx].CharSetWidth := CharSets[1].AsInteger;
821 +  FUserCharSetMap[idx].CodePage := CodePage;
822 +  CharSetID := CharSets[0].AsInteger;
823 + end;
824 +
825   end.
826  

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