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Comparing ibx/trunk/fbintf/client/FBAttachment.pas (file contents):
Revision 56 by tony, Mon Mar 6 10:20:02 2017 UTC vs.
Revision 263 by tony, Thu Dec 6 15:55:01 2018 UTC

# Line 32 | Line 32 | unit FBAttachment;
32   {$IFDEF FPC}
33   {$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,
42 >  FBActivityMonitor, FBClientAPI;
43  
44   type
45 +  TCharsetMap = record
46 +    CharsetID: integer;
47 +    CharSetName: AnsiString;
48 +    CharSetWidth: integer;
49 +    CodePage: TSystemCodePage;
50 +    AllowReverseLookup: boolean; {used to ensure that lookup of CP_UTF* does not return UNICODE_FSS}
51 +  end;
52  
53    { TFBAttachment }
54  
# Line 47 | Line 56 | type
56    private
57      FDPB: IDPB;
58      FFirebirdAPI: IFirebirdAPI;
59 +    FODSMajorVersion: integer;
60 +    FODSMinorVersion: integer;
61 +    FUserCharSetMap: array of TCharSetMap;
62 +    FSecDatabase: AnsiString;
63    protected
64      FDatabaseName: AnsiString;
65      FRaiseExceptionOnConnectError: boolean;
# Line 54 | Line 67 | type
67      FHasDefaultCharSet: boolean;
68      FCharSetID: integer;
69      FCodePage: TSystemCodePage;
70 <    constructor Create(DatabaseName: AnsiString; DPB: IDPB;
70 >    FRemoteProtocol: AnsiString;
71 >    FAuthMethod: AnsiString;
72 >    constructor Create(api: TFBClientAPI; DatabaseName: AnsiString; DPB: IDPB;
73        RaiseExceptionOnConnectError: boolean);
74      procedure CheckHandle; virtual; abstract;
75      function GenerateCreateDatabaseSQL(DatabaseName: AnsiString; aDPB: IDPB): AnsiString;
76 +    procedure GetODSAndConnectionInfo;
77 +    function GetDBInfo(ReqBuffer: PByte; ReqBufLen: integer): IDBInformation; virtual; abstract;
78 +    function IsConnected: boolean; virtual; abstract;
79      procedure EndAllTransactions;
80 +    procedure DPBFromCreateSQL(CreateSQL: AnsiString);
81      procedure SetParameters(SQLParams: ISQLParams; params: array of const);
82    public
83      destructor Destroy; override;
84 +    function getFirebirdAPI: IFirebirdAPI;
85      function getDPB: IDPB;
86      function AllocateBPB: IBPB;
87 +    function AllocateDIRB: IDIRB;
88      function StartTransaction(TPB: array of byte; DefaultCompletion: TTransactionCompletion): ITransaction; overload; virtual; abstract;
89      function StartTransaction(TPB: ITPB; DefaultCompletion: TTransactionCompletion): ITransaction; overload; virtual; abstract;
90      procedure Disconnect(Force: boolean=false); virtual; abstract;
# Line 103 | Line 124 | type
124      function OpenBlob(transaction: ITransaction; BlobMetaData: IBlobMetaData; BlobID: TISC_QUAD; BPB: IBPB=nil): IBlob; overload; virtual; abstract;
125      function OpenBlob(transaction: ITransaction; Field: ISQLData; BPB: IBPB=nil): IBlob; overload;
126      property SQLDialect: integer read FSQLDialect;
106 –    property HasDefaultCharSet: boolean read FHasDefaultCharSet;
107 –    property CharSetID: integer read FCharSetID;
108 –    property CodePage: TSystemCodePage read FCodePage;
127      property DPB: IDPB read FDPB;
128 + public
129 +  function GetDBInformation(Requests: array of byte): IDBInformation; overload;
130 +  function GetDBInformation(Request: byte): IDBInformation; overload;
131 +  function GetDBInformation(Requests: IDIRB): IDBInformation; overload;
132 +  function GetConnectString: AnsiString;
133 +  function GetRemoteProtocol: AnsiString;
134 +  function GetAuthenticationMethod: AnsiString;
135 +  function GetSecurityDatabase: AnsiString;
136 +  function GetODSMajorVersion: integer;
137 +  function GetODSMinorVersion: integer;
138 +  {Character Sets}
139 +  function HasDefaultCharSet: boolean;
140 +  function GetDefaultCharSetID: integer;
141 +  function GetCharsetName(CharSetID: integer): AnsiString;
142 +  function CharSetID2CodePage(CharSetID: integer; var CodePage: TSystemCodePage): boolean;
143 +  function CodePage2CharSetID(CodePage: TSystemCodePage; var CharSetID: integer): boolean;
144 +  function CharSetName2CharSetID(CharSetName: AnsiString; var CharSetID: integer): boolean;
145 +  function CharSetWidth(CharSetID: integer; var Width: integer): boolean;
146 +  procedure RegisterCharSet(CharSetName: AnsiString; CodePage: TSystemCodePage;
147 +    AllowReverseLookup:boolean; out CharSetID: integer);
148 +  property CharSetID: integer read FCharSetID;
149 +  property CodePage: TSystemCodePage read FCodePage;
150    end;
151  
152   implementation
153  
154 < uses FBMessages, FBTransaction;
154 > uses FBMessages, IBUtils, FBTransaction {$IFDEF HASREQEX}, RegExpr{$ENDIF};
155 >
156 > const
157 >  CharSetMap: array [0..69] of TCharsetMap = (
158 >  (CharsetID: 0; CharSetName: 'NONE'; CharSetWidth: 1; CodePage: CP_ACP; AllowReverseLookup: true),
159 >  (CharsetID: 1; CharSetName: 'OCTETS'; CharSetWidth: 1; CodePage: CP_NONE; AllowReverseLookup: true),
160 >  (CharsetID: 2; CharSetName: 'ASCII'; CharSetWidth: 1; CodePage: CP_ASCII; AllowReverseLookup: true),
161 >  (CharsetID: 3; CharSetName: 'UNICODE_FSS'; CharSetWidth: 3; CodePage: CP_UTF8; AllowReverseLookup: false),
162 >  (CharsetID: 4; CharSetName: 'UTF8'; CharSetWidth: 4; CodePage: CP_UTF8; AllowReverseLookup: true),
163 >  (CharsetID: 5; CharSetName: 'SJIS_0208'; CharSetWidth: 2; CodePage: 20932; AllowReverseLookup: true),
164 >  (CharsetID: 6; CharSetName: 'EUCJ_0208'; CharSetWidth: 2; CodePage: 20932; AllowReverseLookup: true),
165 >  (CharsetID: 7; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: true),
166 >  (CharsetID: 8; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: true),
167 >  (CharsetID: 9; CharSetName: 'DOS737'; CharSetWidth: 1; CodePage: 737; AllowReverseLookup: true),
168 >  (CharsetID: 10; CharSetName: 'DOS437'; CharSetWidth: 1; CodePage: 437; AllowReverseLookup: true),
169 >  (CharsetID: 11; CharSetName: 'DOS850'; CharSetWidth: 1; CodePage: 850; AllowReverseLookup: true),
170 >  (CharsetID: 12; CharSetName: 'DOS865'; CharSetWidth: 1; CodePage: 865; AllowReverseLookup: true),
171 >  (CharsetID: 13; CharSetName: 'DOS860'; CharSetWidth: 1; CodePage: 860; AllowReverseLookup: true),
172 >  (CharsetID: 14; CharSetName: 'DOS863'; CharSetWidth: 1; CodePage: 863; AllowReverseLookup: true),
173 >  (CharsetID: 15; CharSetName: 'DOS775'; CharSetWidth: 1; CodePage: 775; AllowReverseLookup: true),
174 >  (CharsetID: 16; CharSetName: 'DOS858'; CharSetWidth: 1; CodePage: 858; AllowReverseLookup: true),
175 >  (CharsetID: 17; CharSetName: 'DOS862'; CharSetWidth: 1; CodePage: 862; AllowReverseLookup: true),
176 >  (CharsetID: 18; CharSetName: 'DOS864'; CharSetWidth: 1; CodePage: 864; AllowReverseLookup: true),
177 >  (CharsetID: 19; CharSetName: 'NEXT'; CharSetWidth: 1; CodePage: CP_NONE; AllowReverseLookup: true),
178 >  (CharsetID: 20; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: true),
179 >  (CharsetID: 21; CharSetName: 'ISO8859_1'; CharSetWidth: 1; CodePage: 28591; AllowReverseLookup: true),
180 >  (CharsetID: 22; CharSetName: 'ISO8859_2'; CharSetWidth: 1; CodePage: 28592; AllowReverseLookup: true),
181 >  (CharsetID: 23; CharSetName: 'ISO8859_3'; CharSetWidth: 1; CodePage: 28593; AllowReverseLookup: true),
182 >  (CharsetID: 24; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
183 >  (CharsetID: 25; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
184 >  (CharsetID: 26; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
185 >  (CharsetID: 27; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
186 >  (CharsetID: 28; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
187 >  (CharsetID: 29; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
188 >  (CharsetID: 30; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
189 >  (CharsetID: 31; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
190 >  (CharsetID: 32; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
191 >  (CharsetID: 33; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
192 >  (CharsetID: 34; CharSetName: 'ISO8859_4'; CharSetWidth: 1; CodePage: 28594; AllowReverseLookup: true),
193 >  (CharsetID: 35; CharSetName: 'ISO8859_5'; CharSetWidth: 1; CodePage: 28595; AllowReverseLookup: true),
194 >  (CharsetID: 36; CharSetName: 'ISO8859_6'; CharSetWidth: 1; CodePage: 28596; AllowReverseLookup: true),
195 >  (CharsetID: 37; CharSetName: 'ISO8859_7'; CharSetWidth: 1; CodePage: 28597; AllowReverseLookup: true),
196 >  (CharsetID: 38; CharSetName: 'ISO8859_8'; CharSetWidth: 1; CodePage: 28598; AllowReverseLookup: true),
197 >  (CharsetID: 39; CharSetName: 'ISO8859_9'; CharSetWidth: 1; CodePage: 28599; AllowReverseLookup: true),
198 >  (CharsetID: 40; CharSetName: 'ISO8859_13'; CharSetWidth: 1; CodePage: 28603; AllowReverseLookup: true),
199 >  (CharsetID: 41; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
200 >  (CharsetID: 42; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
201 >  (CharsetID: 43; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
202 >  (CharsetID: 44; CharSetName: 'KSC_5601'; CharSetWidth: 2; CodePage: 949; AllowReverseLookup: true),
203 >  (CharsetID: 45; CharSetName: 'DOS852'; CharSetWidth: 1; CodePage: 852; AllowReverseLookup: true),
204 >  (CharsetID: 46; CharSetName: 'DOS857'; CharSetWidth: 1; CodePage: 857; AllowReverseLookup: true),
205 >  (CharsetID: 47; CharSetName: 'DOS861'; CharSetWidth: 1; CodePage: 861; AllowReverseLookup: true),
206 >  (CharsetID: 48; CharSetName: 'DOS866'; CharSetWidth: 1; CodePage: 866; AllowReverseLookup: true),
207 >  (CharsetID: 49; CharSetName: 'DOS869'; CharSetWidth: 1; CodePage: 869; AllowReverseLookup: true),
208 >  (CharsetID: 50; CharSetName: 'CYRL'; CharSetWidth: 1; CodePage: 1251; AllowReverseLookup: true),
209 >  (CharsetID: 51; CharSetName: 'WIN1250'; CharSetWidth: 1; CodePage: 1250; AllowReverseLookup: true),
210 >  (CharsetID: 52; CharSetName: 'WIN1251'; CharSetWidth: 1; CodePage: 1251; AllowReverseLookup: true),
211 >  (CharsetID: 53; CharSetName: 'WIN1252'; CharSetWidth: 1; CodePage: 1252; AllowReverseLookup: true),
212 >  (CharsetID: 54; CharSetName: 'WIN1253'; CharSetWidth: 1; CodePage: 1253; AllowReverseLookup: true),
213 >  (CharsetID: 55; CharSetName: 'WIN1254'; CharSetWidth: 1; CodePage: 1254; AllowReverseLookup: true),
214 >  (CharsetID: 56; CharSetName: 'BIG_5'; CharSetWidth: 2; CodePage: 950; AllowReverseLookup: true),
215 >  (CharsetID: 57; CharSetName: 'GB_2312'; CharSetWidth: 2; CodePage: 936; AllowReverseLookup: true),
216 >  (CharsetID: 58; CharSetName: 'WIN1255'; CharSetWidth: 1; CodePage: 1255; AllowReverseLookup: true),
217 >  (CharsetID: 59; CharSetName: 'WIN1256'; CharSetWidth: 1; CodePage: 1256; AllowReverseLookup: true),
218 >  (CharsetID: 60; CharSetName: 'WIN1257'; CharSetWidth: 1; CodePage: 1257; AllowReverseLookup: true),
219 >  (CharsetID: 61; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
220 >  (CharsetID: 62; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
221 >  (CharsetID: 63; CharSetName: 'KOI8R'; CharSetWidth: 1; CodePage: 20866; AllowReverseLookup: true),
222 >  (CharsetID: 64; CharSetName: 'KOI8U'; CharSetWidth: 1; CodePage: 21866; AllowReverseLookup: true),
223 >  (CharsetID: 65; CharSetName: 'WIN1258'; CharSetWidth: 1; CodePage: 1258; AllowReverseLookup: true),
224 >  (CharsetID: 66; CharSetName: 'TIS620'; CharSetWidth: 1; CodePage: 874; AllowReverseLookup: true),
225 >  (CharsetID: 67; CharSetName: 'GBK'; CharSetWidth: 2; CodePage: 936; AllowReverseLookup: true),
226 >  (CharsetID: 68; CharSetName: 'CP943C'; CharSetWidth: 2; CodePage: 943; AllowReverseLookup: true),
227 >  (CharsetID: 69; CharSetName: 'GB18030'; CharSetWidth: 4; CodePage: 54936; AllowReverseLookup: true)
228 > );
229 >
230 >
231 >
232  
233   { TFBAttachment }
234  
235 < constructor TFBAttachment.Create(DatabaseName: AnsiString; DPB: IDPB;
236 <  RaiseExceptionOnConnectError: boolean);
235 > procedure TFBAttachment.GetODSAndConnectionInfo;
236 > var DBInfo: IDBInformation;
237 >    i: integer;
238 >    Stmt: IStatement;
239 >    ResultSet: IResultSet;
240 >    Param: IDPBItem;
241 > begin
242 >  if not IsConnected then Exit;
243 >  DBInfo := GetDBInformation([isc_info_db_id,isc_info_ods_version,isc_info_ods_minor_version,
244 >                               isc_info_db_SQL_Dialect]);
245 >  for i := 0 to DBInfo.GetCount - 1 do
246 >    with DBInfo[i] do
247 >      case getItemType of
248 >      isc_info_ods_minor_version:
249 >        FODSMinorVersion := getAsInteger;
250 >      isc_info_ods_version:
251 >        FODSMajorVersion := getAsInteger;
252 >      isc_info_db_SQL_Dialect:
253 >        FSQLDialect := getAsInteger;
254 >      end;
255 >
256 >  FCharSetID := 0;
257 >  FRemoteProtocol := '';
258 >  FAuthMethod := 'Legacy_Auth';
259 >  FSecDatabase := 'Default';
260 >  if FODSMajorVersion > 11 then
261 >  begin
262 >    Stmt := Prepare(StartTransaction([isc_tpb_read,isc_tpb_nowait,isc_tpb_concurrency],taCommit),
263 >                    'Select MON$CHARACTER_SET_ID, MON$REMOTE_PROTOCOL, MON$AUTH_METHOD, MON$SEC_DATABASE From MON$ATTACHMENTS, MON$DATABASE '+
264 >                    'Where MON$ATTACHMENT_ID = CURRENT_CONNECTION');
265 >    ResultSet := Stmt.OpenCursor;
266 >    if ResultSet.FetchNext then
267 >    begin
268 >      FCharSetID := ResultSet[0].AsInteger;
269 >      FRemoteProtocol := Trim(ResultSet[1].AsString);
270 >      FAuthMethod := Trim(ResultSet[2].AsString);
271 >      FSecDatabase := Trim(ResultSet[3].AsString);
272 >    end
273 >  end
274 >  else
275 >  if (FODSMajorVersion = 11) and (FODSMinorVersion >= 1) then
276 >  begin
277 >    Stmt := Prepare(StartTransaction([isc_tpb_read,isc_tpb_nowait,isc_tpb_concurrency],taCommit),
278 >                    'Select MON$CHARACTER_SET_ID, MON$REMOTE_PROTOCOL From MON$ATTACHMENTS '+
279 >                    'Where MON$ATTACHMENT_ID = CURRENT_CONNECTION');
280 >    ResultSet := Stmt.OpenCursor;
281 >    if ResultSet.FetchNext then
282 >    begin
283 >      FCharSetID := ResultSet[0].AsInteger;
284 >      FRemoteProtocol := Trim(ResultSet[1].AsString);
285 >    end
286 >  end
287 >  else
288 >  if DPB <> nil then
289 >  begin
290 >    Param :=  DPB.Find(isc_dpb_lc_ctype);
291 >    if (Param = nil) or not CharSetName2CharSetID(Param.AsString,FCharSetID) then
292 >      FCharSetID := 0;
293 >    case GetProtocol(FDatabaseName) of
294 >    TCP:       FRemoteProtocol := 'TCPv4';
295 >    Local:     FRemoteProtocol := '';
296 >    NamedPipe: FRemoteProtocol := 'Netbui';
297 >    SPX:       FRemoteProtocol := 'SPX'
298 >    end;
299 >  end;
300 >  FHasDefaultCharSet := CharSetID2CodePage(FCharSetID,FCodePage) and (FCharSetID > 1);
301 > end;
302 >
303 > constructor TFBAttachment.Create(api: TFBClientAPI; DatabaseName: AnsiString;
304 >  DPB: IDPB; RaiseExceptionOnConnectError: boolean);
305   begin
306    inherited Create;
307 <  FFirebirdAPI := FirebirdAPI; {Keep reference to interface}
307 >  FFirebirdAPI := api.GetAPI; {Keep reference to interface}
308    FSQLDialect := 3;
309    FDatabaseName := DatabaseName;
310    FDPB := DPB;
311 +  SetLength(FUserCharSetMap,0);
312    FRaiseExceptionOnConnectError := RaiseExceptionOnConnectError;
313 +  FODSMajorVersion := 0;
314 +  FODSMinorVersion := 0;
315   end;
316  
317   function TFBAttachment.GenerateCreateDatabaseSQL(DatabaseName: AnsiString;  aDPB: IDPB): AnsiString;
# Line 170 | Line 358 | begin
358    end;
359   end;
360  
361 + {$IFDEF HASREQEX}
362 + procedure TFBAttachment.DPBFromCreateSQL(CreateSQL: AnsiString);
363 + var RegexObj: TRegExpr;
364 + begin
365 +  FDPB := FFirebirdAPI.AllocateDPB;
366 +  RegexObj := TRegExpr.Create;
367 +  try
368 +    {extact database file spec}
369 +    RegexObj.ModifierG := false; {turn off greedy matches}
370 +    RegexObj.ModifierI := true; {case insensitive match}
371 +    RegexObj.Expression := '^ *CREATE +(DATABASE|SCHEMA) +''.*'' +USER +''(.+)'' PASSWORD +''(.+)''';
372 +    if RegexObj.Exec(CreateSQL) then
373 +    begin
374 +      DPB.Add(isc_dpb_user_name).AsString := system.copy(CreateSQL,RegexObj.MatchPos[2],RegexObj.MatchLen[2]);
375 +      DPB.Add(isc_dpb_password).AsString := system.copy(CreateSQL,RegexObj.MatchPos[3],RegexObj.MatchLen[3]);
376 +    end
377 +    else
378 +    begin
379 +      RegexObj.Expression := '^ *CREATE +(DATABASE|SCHEMA) +(''.*'') +USER +''(.+)''';
380 +      if RegexObj.Exec(CreateSQL) then
381 +        DPB.Add(isc_dpb_user_name).AsString := system.copy(CreateSQL,RegexObj.MatchPos[2],RegexObj.MatchLen[2]);
382 +    end;
383 +  finally
384 +    RegexObj.Free;
385 +  end;
386 +  if FCharSetID > 0 then
387 +    DPB.Add(isc_dpb_lc_ctype).AsString := GetCharSetName(FCharSetID);
388 +  DPB.Add(isc_dpb_set_db_SQL_dialect).setAsByte(FSQLDialect);
389 + end;
390 + {$ELSE}
391 + procedure TFBAttachment.DPBFromCreateSQL(CreateSQL: AnsiString);
392 + begin
393 +  FDPB := FFirebirdAPI.AllocateDPB;
394 +  if FCharSetID > 0 then
395 +    DPB.Add(isc_dpb_lc_ctype).AsString := GetCharSetName(FCharSetID);
396 +  DPB.Add(isc_dpb_set_db_SQL_dialect).setAsByte(FSQLDialect);
397 + end;
398 + {$ENDIF}
399 +
400   procedure TFBAttachment.SetParameters(SQLParams: ISQLParams;
401    params: array of const);
402   var i: integer;
# Line 182 | Line 409 | begin
409      case params[i].vtype of
410        vtinteger    :
411          SQLParams[i].AsInteger := params[i].vinteger;
412 +      vtInt64:
413 +        SQLParams[i].AsInt64 := params[i].VInt64^;
414 +      {$IF declared (vtQWord)}
415 +      vtQWord:
416 +        SQLParams[i].AsInt64 := params[i].VQWord^;
417 +      {$IFEND}
418        vtboolean    :
419          SQLParams[i].AsBoolean :=  params[i].vboolean;
420        vtchar       :
# Line 191 | Line 424 | begin
424        vtCurrency:
425          SQLParams[i].AsDouble := params[i].VCurrency^;
426        vtString     :
427 <        SQLParams[i].AsString := params[i].VString^;
427 >        SQLParams[i].AsString := strpas(PChar(params[i].VString));
428        vtPChar      :
429          SQLParams[i].AsString := strpas(params[i].VPChar);
430        vtAnsiString :
431 <        SQLParams[i].AsString := AnsiString(params[i].VAnsiString^);
431 >        SQLParams[i].AsString := strpas(PAnsiChar(params[i].VAnsiString));
432        vtVariant:
433          SQLParams[i].AsVariant := params[i].VVariant^;
434 +      vtWideChar:
435 +        SQLParams[i].AsString := UTF8Encode(WideCharLenToString(@params[i].VWideChar,1));
436 +      vtPWideChar:
437 +        SQLParams[i].AsString := UTF8Encode(strpas(PWideChar(params[i].VPWideChar)));
438 +      vtWideString:
439 +        SQLParams[i].AsString := UTF8Encode(strpas(PWideChar(params[i].VWideString)));
440 +      vtUnicodeString:
441 +        SQLParams[i].AsString := UTF8Encode(strpas(PWideChar(params[i].VUnicodeString)));
442      else
443          IBError(ibxeInvalidVariantType,[nil]);
444      end;
# Line 210 | Line 451 | begin
451    inherited Destroy;
452   end;
453  
454 + function TFBAttachment.getFirebirdAPI: IFirebirdAPI;
455 + begin
456 +  Result := FFirebirdAPI;
457 + end;
458 +
459   function TFBAttachment.getDPB: IDPB;
460   begin
461    Result := FDPB;
# Line 217 | Line 463 | end;
463  
464   function TFBAttachment.AllocateBPB: IBPB;
465   begin
466 <  Result := TBPB.Create;
466 >  Result := TBPB.Create(FFirebirdAPI as TFBClientAPI);
467 > end;
468 >
469 > function TFBAttachment.AllocateDIRB: IDIRB;
470 > begin
471 >  Result := TDIRB.Create(FFirebirdAPI as TFBClientAPI);
472   end;
473  
474   procedure TFBAttachment.ExecImmediate(TPB: array of byte; sql: AnsiString;
# Line 239 | Line 490 | end;
490   function TFBAttachment.ExecuteSQL(TPB: array of byte; sql: AnsiString;
491    SQLDialect: integer; params: array of const): IResults;
492   begin
493 <  Result := ExecuteSQL(StartTransaction(TPB,taCommit),sql,FSQLDialect,params);
493 >  Result := ExecuteSQL(StartTransaction(TPB,taCommit),sql,SQLDialect,params);
494   end;
495  
496   function TFBAttachment.ExecuteSQL(transaction: ITransaction; sql: AnsiString;
# Line 368 | Line 619 | begin
619    Result := OpenBlob(Transaction,Field.GetBlobMetadata, Field.AsQuad,BPB);
620   end;
621  
622 + function TFBAttachment.GetDBInformation(Requests: array of byte
623 +  ): IDBInformation;
624 + var ReqBuffer: PByte;
625 +    i: integer;
626 + begin
627 +  CheckHandle;
628 +  if Length(Requests) = 1 then
629 +    Result := GetDBInformation(Requests[0])
630 +  else
631 +  begin
632 +    GetMem(ReqBuffer,Length(Requests));
633 +    try
634 +      for i := 0 to Length(Requests) - 1 do
635 +        ReqBuffer[i] := Requests[i];
636 +
637 +      Result := GetDBInfo(ReqBuffer,Length(Requests));
638 +
639 +    finally
640 +      FreeMem(ReqBuffer);
641 +    end;
642 +  end;
643 + end;
644 +
645 + function TFBAttachment.GetDBInformation(Request: byte): IDBInformation;
646 + begin
647 +  CheckHandle;
648 +  Result := GetDBInfo(@Request,1);
649 + end;
650 +
651 + function TFBAttachment.GetDBInformation(Requests: IDIRB): IDBInformation;
652 + begin
653 +  CheckHandle;
654 +  with Requests as TDIRB do
655 +    Result := GetDBInfo(getBuffer,getDataLength);
656 + end;
657 +
658 + function TFBAttachment.GetConnectString: AnsiString;
659 + begin
660 +  Result := FDatabaseName;
661 + end;
662 +
663 + function TFBAttachment.GetRemoteProtocol: AnsiString;
664 + begin
665 +  Result := FRemoteProtocol;
666 + end;
667 +
668 + function TFBAttachment.GetAuthenticationMethod: AnsiString;
669 + begin
670 +  Result := FAuthMethod;
671 + end;
672 +
673 + function TFBAttachment.GetSecurityDatabase: AnsiString;
674 + begin
675 +  Result := FSecDatabase;
676 + end;
677 +
678 + function TFBAttachment.GetODSMajorVersion: integer;
679 + begin
680 +  Result := FODSMajorVersion;
681 + end;
682 +
683 + function TFBAttachment.GetODSMinorVersion: integer;
684 + begin
685 +  Result := FODSMinorVersion;
686 + end;
687 +
688 + function TFBAttachment.HasDefaultCharSet: boolean;
689 + begin
690 +  Result := FHasDefaultCharSet
691 + end;
692 +
693 + function TFBAttachment.GetDefaultCharSetID: integer;
694 + begin
695 +  Result := FCharsetID;
696 + end;
697 +
698 + function TFBAttachment.GetCharsetName(CharSetID: integer): AnsiString;
699 + var i: integer;
700 + begin
701 +  Result := '';
702 +  if (CharSetID >= Low(CharSetMap)) and (CharSetID <= High(CharSetMap)) and
703 +                                  (CharSetMap[CharSetID].CharSetID = CharSetID) then
704 +    begin
705 +      Result := CharSetMap[CharSetID].CharSetName;
706 +      Exit;
707 +    end;
708 +
709 +  for i := 0 to Length(FUserCharSetMap) - 1 do
710 +    if FUserCharSetMap[i].CharSetID = CharSetID then
711 +    begin
712 +      Result := FUserCharSetMap[i].CharSetName;
713 +      Exit;
714 +    end;
715 + end;
716 +
717 + function TFBAttachment.CharSetID2CodePage(CharSetID: integer;
718 +  var CodePage: TSystemCodePage): boolean;
719 + var i: integer;
720 + begin
721 +  Result := (CharSetID >= Low(CharSetMap)) and (CharSetID <= High(CharSetMap))
722 +               and (CharSetMap[CharSetID].CharSetID = CharSetID);
723 +  if Result then
724 +    begin
725 +      CodePage := CharSetMap[CharSetID].CodePage;
726 +      Result := true;
727 +      Exit;
728 +    end;
729 +
730 +  for i := 0 to Length(FUserCharSetMap) - 1 do
731 +    if FUserCharSetMap[i].CharSetID = CharSetID then
732 +    begin
733 +      CodePage := FUserCharSetMap[i].CodePage;
734 +      Result := true;
735 +      Exit;
736 +    end;
737 + end;
738 +
739 + function TFBAttachment.CodePage2CharSetID(CodePage: TSystemCodePage;
740 +  var CharSetID: integer): boolean;
741 + var i: integer;
742 + begin
743 +  Result := false;
744 +  for i := Low(CharSetMap) to High(CharSetMap) do
745 +    if (CharSetMap[i].AllowReverseLookup) and (CharSetMap[i].CodePage = CodePage) then
746 +    begin
747 +      CharSetID := CharSetMap[i].CharSetID;
748 +      Result := true;
749 +      Exit;
750 +    end;
751 +
752 +  for i := 0 to Length(FUserCharSetMap) - 1 do
753 +    if (FUserCharSetMap[i].AllowReverseLookup) and (FUserCharSetMap[i].CodePage = CodePage) then
754 +    begin
755 +      CharSetID := FUserCharSetMap[i].CharSetID;
756 +      Result := true;
757 +      Exit;
758 +    end;
759 + end;
760 +
761 + function TFBAttachment.CharSetName2CharSetID(CharSetName: AnsiString;
762 +  var CharSetID: integer): boolean;
763 + var i: integer;
764 + begin
765 +  Result := false;
766 +  for i := Low(CharSetMap) to High(CharSetMap) do
767 +    if AnsiCompareText(CharSetMap[i].CharSetName, CharSetName) = 0 then
768 +    begin
769 +      CharSetID := CharSetMap[i].CharSetID;
770 +      Result := true;
771 +      Exit;
772 +    end;
773 +
774 +    for i := 0 to Length(FUserCharSetMap) - 1 do
775 +      if AnsiCompareText(FUserCharSetMap[i].CharSetName, CharSetName) = 0 then
776 +      begin
777 +        CharSetID := FUserCharSetMap[i].CharSetID;
778 +        Result := true;
779 +        Exit;
780 +      end;
781 + end;
782 +
783 + function TFBAttachment.CharSetWidth(CharSetID: integer; var Width: integer
784 +  ): boolean;
785 + var i: integer;
786 + begin
787 +  Result := (CharSetID >= Low(CharSetMap)) and (CharSetID <= High(CharSetMap))
788 +               and (CharSetMap[CharSetID].CharSetID = CharSetID);
789 +  if Result then
790 +    begin
791 +      Width := CharSetMap[CharSetID].CharSetWidth;
792 +      Result := true;
793 +      Exit;
794 +    end;
795 +
796 +  for i := 0 to Length(FUserCharSetMap) - 1 do
797 +    if FUserCharSetMap[i].CharSetID = CharSetID then
798 +    begin
799 +      Width := FUserCharSetMap[i].CharSetWidth;
800 +      Result := true;
801 +      Exit;
802 +    end;
803 + end;
804 +
805 + const
806 +  sqlLookupCharSet = 'Select RDB$CHARACTER_SET_ID, RDB$BYTES_PER_CHARACTER From RDB$CHARACTER_SETS '+
807 +                     'Where RDB$SYSTEM_FLAG = 0 and RDB$CHARACTER_SET_NAME = UPPER(?)';
808 +
809 + procedure TFBAttachment.RegisterCharSet(CharSetName: AnsiString;
810 +  CodePage: TSystemCodePage; AllowReverseLookup: boolean; out CharSetID: integer
811 +  );
812 + var CharSets: IResultSet;
813 +    idx: integer;
814 + begin
815 +  if CharSetName2CharSetID(CharSetName,CharSetID) then
816 +    IBError(ibxeCharacterSetExists,[CharSetName]);
817 +
818 +  CharSets := OpenCursorAtStart(sqlLookupCharSet,[CharSetName]);
819 +  if CharSets.IsEof then
820 +    IBError(ibxeUnknownUserCharSet,[CharSetName]);
821 +
822 +  idx := Length(FUserCharSetMap);
823 +  SetLength(FUserCharSetMap,idx+1);
824 +  FUserCharSetMap[idx].AllowReverseLookup := AllowReverseLookup;
825 +  FUserCharSetMap[idx].CharSetID := CharSets[0].AsInteger;
826 +  FUserCharSetMap[idx].CharSetName := AnsiUpperCase(CharSetName);
827 +  FUserCharSetMap[idx].CharSetWidth := CharSets[1].AsInteger;
828 +  FUserCharSetMap[idx].CodePage := CodePage;
829 +  CharSetID := CharSets[0].AsInteger;
830 + end;
831 +
832   end.
833  

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