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Comparing ibx/trunk/runtime/nongui/ibxscript.pas (file contents):
Revision 229 by tony, Tue Apr 10 13:32:36 2018 UTC vs.
Revision 272 by tony, Mon Feb 4 13:34:37 2019 UTC

# Line 31 | Line 31 | unit ibxscript;
31  
32   interface
33  
34 < uses Classes, IBDatabase,  IBSQL, IB, IBDataOutput;
35 <
36 < const
37 <  ibx_blob = 'IBX_BLOB';
38 <  ibx_array = 'IBX_ARRAY';
39 <
40 <  BlobLineLength = 40;
41 <
42 <  DefaultTerminator = ';';
43 <
44 <  {Non-character symbols}
45 <  sqNone                 = #0;
46 <  sqEnd                  = #1;
47 <  sqBegin                = #2;
48 <  sqString               = #3;
49 <  sqComment              = #4;
50 <  sqCase                 = #5;
51 <  sqDeclare              = #6;
52 <  sqCommentLine          = #7;
53 <  sqEOL                  = #8;
54 <  sqTab                  = #9;
55 <  sqTerminator           = #10;
56 <  sqEOF                  = #11;
57 <  sqTag                  = #12;
58 <  sqEndTag               = #13;
59 <  sqQuotedString         = #14;
60 <  sqDoubleQuotedString   = #15;
34 > uses Classes, IBDatabase,  IBSQL, IB, IBDataOutput, IBUtils;
35  
36   type
63  TSQLSymbol = char;
64
65  TSQLStates =  (stInit, stError, stInSQL, stNested,  stInDeclaration);
66
67  TXMLStates =  (stInTag,stAttribute,stAttributeValue,stQuotedAttributeValue,
68                 stTagged,stEndTag);
69
70  TXMLTag    =   (xtNone,xtBlob,xtArray,xtElt);
37  
38    TOnNextLine = procedure(Sender: TObject; Line: string) of object;
39    TOnProgressEvent = procedure (Sender: TObject; Reset: boolean; value: integer) of object;
40  
41 <  TXMLTagDef = record
76 <    XMLTag: TXMLTag;
77 <    TagValue: string;
78 <  end;
79 <
80 < const
81 <  XMLTagDefs: array [0..2] of TXMLTagDef = (
82 <    (XMLTag: xtBlob;   TagValue: 'blob'),
83 <    (XMLTag: xtArray;  TagValue: 'array'),
84 <    (XMLTag: xtElt;    TagValue: 'elt')
85 <    );
41 >  { TSQLXMLReader }
42  
43 < type
43 >  TSQLXMLReader = class(TSQLTokeniser)
44 >  private
45 >    type
46 >      TXMLStates =  (stNoXML, stInTag,stInTagBody,
47 >                     stAttribute,stAttributeValue,stQuotedAttributeValue,
48 >                     stInEndTag, stInEndTagBody,
49 >                     stXMLData);
50 >
51 >      TXMLTag    =   (xtNone,xtBlob,xtArray,xtElt);
52 >
53 >      TXMLTagDef = record
54 >        XMLTag: TXMLTag;
55 >        TagValue: string;
56 >      end;
57 >
58 >    const
59 >      XMLTagDefs: array [xtBlob..xtElt] of TXMLTagDef = (
60 >        (XMLTag: xtBlob;   TagValue: 'blob'),
61 >        (XMLTag: xtArray;  TagValue: 'array'),
62 >        (XMLTag: xtElt;    TagValue: 'elt')
63 >        );
64 >      MaxXMLTags = 20;
65 >      BlobLineLength = 40;
66  
67 <  { TSymbolStream }
67 >  public
68 >    const
69 >      ibx_blob = 'IBX_BLOB';
70 >      ibx_array = 'IBX_ARRAY';
71 >
72 >    type
73 >      TBlobData = record
74 >        BlobIntf: IBlob;
75 >        SubType: cardinal;
76 >      end;
77 >
78 >      TArrayData = record
79 >        ArrayIntf: IArray;
80 >        SQLType: cardinal;
81 >        relationName: string;
82 >        columnName: string;
83 >        dim: cardinal;
84 >        Size: cardinal;
85 >        Scale: integer;
86 >        CharSet: string;
87 >        bounds: TArrayBounds;
88 >        CurrentRow: integer;
89 >        Index: array of integer;
90 >      end;
91 >
92 >   private
93 >     FDatabase: TIBDatabase;
94 >     FOnProgressEvent: TOnProgressEvent;
95 >     FTransaction: TIBTransaction;
96 >     FXMLState: TXMLStates;
97 >     FXMLTagStack: array [1..MaxXMLTags] of TXMLTag;
98 >     FXMLTagIndex: integer;
99 >     FAttributeName: string;
100 >     FXMLData: string;
101 >     FBlobData: array of TBlobData;
102 >     FCurrentBlob: integer;
103 >     FBlobBuffer: PChar;
104 >     FArrayData: array of TArrayData;
105 >     FCurrentArray: integer;
106 >     FXMLString: string;
107 >     function FindTag(tag: string; var xmlTag: TXMLTag): boolean;
108 >     function GetArrayData(index: integer): TArrayData;
109 >     function GetArrayDataCount: integer;
110 >     function GetBlobData(index: integer): TBlobData;
111 >     function GetBlobDataCount: integer;
112 >     function GetTagName(xmltag: TXMLTag): string;
113 >     procedure ProcessAttributeValue(attrValue: string);
114 >     procedure ProcessBoundsList(boundsList: string);
115 >     procedure ProcessTagValue(tagValue: string);
116 >     procedure XMLTagInit(xmltag: TXMLTag);
117 >     function XMLTagEnd(var xmltag: TXMLTag): boolean;
118 >     procedure XMLTagEnter;
119 >   protected
120 >     function GetErrorPrefix: string; virtual; abstract;
121 >     function TokenFound(var token: TSQLTokens): boolean; override;
122 >     procedure Reset; override;
123 >     procedure ShowError(msg: string; params: array of const); virtual; overload;
124 >     procedure ShowError(msg: string); overload;
125 >   public
126 >     constructor Create;
127 >     procedure FreeDataObjects;
128 >     class function FormatBlob(Field: ISQLData): string;
129 >     class function FormatArray(Database: TIBDatabase; ar: IArray): string;
130 >     property BlobData[index: integer]: TBlobData read GetBlobData;
131 >     property BlobDataCount: integer read GetBlobDataCount;
132 >     property ArrayData[index: integer]: TArrayData read GetArrayData;
133 >     property ArrayDataCount: integer read GetArrayDataCount;
134 >     property Database: TIBDatabase read FDatabase write FDatabase;
135 >     property Transaction: TIBTransaction read FTransaction write FTransaction;
136 >     property OnProgressEvent: TOnProgressEvent read FOnProgressEvent write FOnProgressEvent; {Progress Bar Support}
137 >  end;
138  
139 <  {A simple lookahead one parser to process a text stream as a stream of symbols.
92 <   This is an abstract object, subclassed for different sources.}
139 >  { TSQLStatementReader }
140  
141 <  TSymbolStream = class
141 >  TSQLStatementReader = class(TSQLXMLReader)
142    private
143 <    FNextSymbol: TSQLSymbol;
143 >    type
144 >      TSQLState = (stDefault, stInStmt, stInBlock, stInArrayDim, stInDeclare);
145 >  private
146 >    FHasBegin: boolean;
147      FOnNextLine: TOnNextLine;
98    FOnProgressEvent: TOnProgressEvent;
148      FTerminator: char;
100    FLastChar: char;
101    FIndex: integer;
102    FLine: string;
103    FString: string;
104    FXMLTag: TXMLTag;
105    FXMLMode: integer;
149    protected
150 <    FNextStatement: boolean;
108 <    function GetErrorPrefix: string; virtual; abstract;
109 <    function GetNextSymbol(C: char): TSQLSymbol;
110 <    function FindTag(tag: string; var xmlTag: TXMLTag): boolean;
111 <    function GetNextLine(var Line: string):boolean; virtual; abstract;
150 >    procedure EchoNextLine(aLine: string);
151    public
152      constructor Create;
153 <    procedure ShowError(msg: string; params: array of const);
154 <    function GetSymbol: TSQLSymbol; virtual;
155 <    procedure NextStatement;
117 <    property SymbolValue: string read FString;
118 <    property Terminator: char read FTerminator write FTerminator;
119 <    property XMLTag: TXMLTag read FXMLTag;
153 >    function GetNextStatement(var stmt: string) : boolean; virtual;
154 >    property HasBegin: boolean read FHasBegin;
155 >    property Terminator: char read FTerminator write FTerminator default DefaultTerminator;
156      property OnNextLine: TOnNextLine read FOnNextLine write FOnNextLine;
121    property OnProgressEvent: TOnProgressEvent read FOnProgressEvent write FOnProgressEvent; {Progress Bar Support}
157    end;
158  
124  { TBatchSymbolStream }
159  
160 <  {This symbol stream supports non-interactive parsing of a text file, stream or
160 >  { TBatchSQLStatementReader }
161 >
162 >  {This SQL Reader supports non-interactive parsing of a text file, stream or
163     lines of text.}
164  
165 <  TBatchSymbolStream = class(TSymbolStream)
165 >  TBatchSQLStatementReader = class(TSQLStatementReader)
166    private
167 <    FLines: TStrings;
167 >    FInStream: TStream;
168 >    FOwnsInStream: boolean;
169      FLineIndex: integer;
170 +    FIndex: integer;
171 +    FCurLine: string;
172    protected
173 +    function GetChar: char; override;
174      function GetErrorPrefix: string; override;
135    function GetNextLine(var Line: string):boolean; override;
175    public
176 <    constructor Create;
138 <    destructor Destroy; override;
176 >    procedure Reset; override;
177      procedure SetStreamSource(Lines: TStrings); overload;
178      procedure SetStreamSource(S: TStream); overload;
179      procedure SetStreamSource(FileName: string); overload;
180 +    procedure SetStringStreamSource(S: string);
181    end;
182  
183 <  { TInteractiveSymbolStream }
183 >  { TInteractiveSQLStatementReader }
184  
185 <  {This symbol stream supports interactive parsing of commands and
185 >  {This SQL reader supports interactive parsing of commands and
186     SQL statements entered at a console}
187  
188 <  TInteractiveSymbolStream = class(TSymbolStream)
188 >  TInteractiveSQLStatementReader = class(TSQLStatementReader)
189    private
190      FPrompt: string;
191      FContinuePrompt: string;
192      FTerminated: boolean;
193 +    FLine: string;
194 +    FLineIndex: integer;
195 +    FNextStatement: boolean;
196 +    function GetNextLine(var Line: string):boolean;
197    protected
198 +    function GetChar: char; override;
199      function GetErrorPrefix: string; override;
156    function GetNextLine(var Line: string):boolean; override;
200    public
201      constructor Create(aPrompt: string='SQL>'; aContinue: string = 'CON>');
202 <    function GetSymbol: TSQLSymbol; override;
202 >    function GetNextStatement(var stmt: string) : boolean; override;
203      property Terminated: boolean read FTerminated write FTerminated;
204    end;
205  
163  TBlobData = record
164    BlobIntf: IBlob;
165    SubType: cardinal;
166  end;
167
168  TArrayData = record
169    ArrayIntf: IArray;
170    SQLType: cardinal;
171    relationName: string;
172    columnName: string;
173    dim: cardinal;
174    Size: cardinal;
175    Scale: integer;
176    CharSet: string;
177    bounds: TArrayBounds;
178    CurrentRow: integer;
179    Index: array of integer;
180  end;
181
182  { TIBXMLProcessor }
183
184  {This is a simple XML parser that parses the output of a symbol stream as XML
185   structured data, recognising tags, attributes and data. The tags are given in
186   the table XMLTagDefs. The BlobData and ArrayData properties return blob and
187   array data decoded from the XML stream.}
188
189  TIBXMLProcessor = class
190  private
191    FDatabase: TIBDatabase;
192    FSymbolStream: TSymbolStream;
193    FState: TXMLStates;
194    FTransaction: TIBTransaction;
195    FXMLTagStack: array [1..20] of TXMLTag;
196    FXMLTagIndex: integer;
197    FAttributeName: string;
198    FBlobData: array of TBlobData;
199    FCurrentBlob: integer;
200    FArrayData: array of TArrayData;
201    FCurrentArray: integer;
202    FBlobBuffer: PChar;
203    procedure EndXMLTag(xmltag: TXMLTag);
204    procedure EnterTag;
205    function GetArrayData(index: integer): TArrayData;
206    function GetArrayDataCount: integer;
207    function GetBlobData(index: integer): TBlobData;
208    function GetBlobDataCount: integer;
209    procedure ProcessTagValue(tagValue: string);
210    procedure StartXMLTag(xmltag: TXMLTag);
211    procedure ProcessAttributeValue(attrValue: string);
212    procedure ProcessBoundsList(boundsList: string);
213  public
214    constructor Create;
215    destructor Destroy; override;
216    function AnalyseXML(SymbolStream: TSymbolStream): string;
217    procedure NextStatement;
218    class function FormatBlob(Field: ISQLData): string;
219    class function FormatArray(Database: TIBDatabase; ar: IArray): string;
220    property BlobData[index: integer]: TBlobData read GetBlobData;
221    property BlobDataCount: integer read GetBlobDataCount;
222    property ArrayData[index: integer]: TArrayData read GetArrayData;
223    property ArrayDataCount: integer read GetArrayDataCount;
224    property Database: TIBDatabase read FDatabase write FDatabase;
225    property Transaction: TIBTransaction read FTransaction write FTransaction;
226  end;
227
228  { TIBSQLProcessor }
229
230  {This parses a symbol stream into SQL statements. If embedded XML is found then
231   this is processed by the supplied XMLProcessor. The HasBegin property provides
232   a simple way to recognised stored procedure DDL, and "Execute As" statements.}
233
234  TIBSQLProcessor = class
235  private
236    FSQLText: string;
237    FState: TSQLStates;
238    FStack: array [0..16] of TSQLStates;
239    FStackindex: integer;
240    FHasBegin: boolean;
241    FInCase: boolean;
242    FNested: integer;
243    FXMLProcessor: TIBXMLProcessor;
244    FSymbolStream: TSymbolStream;
245    procedure AddToSQL(const Symbol: string);
246    procedure SetState(AState: TSQLStates);
247    function PopState: TSQLStates;
248  public
249    constructor Create(XMLProcessor: TIBXMLProcessor);
250    function GetNextStatement(SymbolStream: TSymbolStream; var stmt: string) : boolean;
251    property HasBegin: boolean read FHasBegin;
252  end;
253
206    TGetParamValue = procedure(Sender: TObject; ParamName: string; var BlobID: TISC_QUAD) of object;
207    TLogEvent = procedure(Sender: TObject; Msg: string) of Object;
208    TOnSelectSQL = procedure (Sender: TObject; SQLText: string) of object;
# Line 272 | Line 224 | type
224    TCustomIBXScript = class(TComponent)
225    private
226      FEcho: boolean;
227 <    FIBXMLProcessor: TIBXMLProcessor;
276 <    FIBSQLProcessor: TIBSQLProcessor;
227 >    FSQLReader: TSQLStatementReader;
228      FDatabase: TIBDatabase;
229      FDataOutputFormatter: TIBCustomDataOutput;
230      FIgnoreCreateDatabase: boolean;
# Line 302 | Line 253 | type
253      procedure SetShowPerformanceStats(AValue: boolean);
254      procedure SetTransaction(AValue: TIBTransaction);
255    protected
305    FSymbolStream: TSymbolStream;
256      procedure Add2Log(const Msg: string; IsError: boolean=true); virtual;
257      procedure ExecSQL(stmt: string);
258      procedure EchoNextLine(Sender: TObject; Line: string);
259      procedure Notification(AComponent: TComponent; Operation: TOperation); override;
260      function ProcessStatement(stmt: string): boolean; virtual;
261      function ProcessStream: boolean;
262 +    procedure SetSQLStatementReader(SQLStatementReader: TSQLStatementReader);
263    public
264      constructor Create(aOwner: TComponent); override;
265      destructor Destroy; override;
266      procedure DefaultSelectSQLHandler(aSQLText: string);
267 +    property SQLStatementReader: TSQLStatementReader read FSQLReader;
268    published
269      property Database: TIBDatabase read FDatabase write SetDatabase;
270      property DataOutputFormatter: TIBCustomDataOutput read FDataOutputFormatter
# Line 431 | Line 383 | implementation
383   uses Sysutils, RegExpr;
384  
385   resourcestring
434  sTerminatorUnknownState = 'Statement Terminator in unexpected state (%d)';
386    sNoSelectSQL = 'Select SQL Statements are not supported';
436  sStackUnderflow = 'Stack Underflow';
387    sNoParamQueries =  'Parameterised Queries are not supported';
438  sStackOverFlow = 'Stack Overflow';
388    sResolveQueryParam =  'Resolving Query Parameter: %s';
389    sXMLStackUnderflow = 'XML Stack Underflow';
390    sInvalidEndTag = 'XML End Tag Mismatch - %s';
391 +  sBadEndTagClosing = 'XML End Tag incorrectly closed';
392    sXMLStackOverFlow = 'XML Stack Overflow';
443  sErrorState = 'Entered Error State';
444  sXMLError = 'Invalid XML (%c)';
393    sXMLAttributeError = 'Unexpected attribute - "%s" = "%s"';
394    sInvalidBoundsList = 'Invalid array bounds list - "%s"';
395    sBinaryBlockMustbeEven = 'Binary block must have an even number of characters';
# Line 450 | Line 398 | resourcestring
398    sArrayIndexError = 'Array Index Error (%d)';
399    sBlobIndexError = 'Blob Index Error (%d)';
400    sStatementError = 'Error processing SQL statement: %s %s - for statement "%s"';
401 +  sNotInArray = 'elt tag found but not in an XML array tag';
402 +  sNoDatabase = 'Missing database for xml tag import';
403 +  sNoTransaction = 'Missing transaction for xml tag import';
404  
405   function StringToHex(octetString: string; MaxLineLength: integer): string; overload;
406  
# Line 491 | Line 442 | begin
442      TextOut.Add(StringToHex(octetString,MaxLineLength));
443   end;
444  
445 + { TSQLStatementReader }
446 +
447 + procedure TSQLStatementReader.EchoNextLine(aLine: string);
448 + begin
449 +  if assigned(FOnNextLine) then
450 +    OnNextLine(self,aLine);
451 + end;
452 +
453 + constructor TSQLStatementReader.Create;
454 + begin
455 +  inherited Create;
456 +  Terminator := DefaultTerminator;
457 + end;
458 +
459 + function TSQLStatementReader.GetNextStatement(var stmt: string): boolean;
460 + var State: TSQLState;
461 +    Nested: integer;
462 +    token: TSQLTokens;
463 +    EndOfStatement: boolean;
464 + begin
465 +  FHasBegin := false;
466 +  Result := false;
467 +  EndOfStatement := false;
468 +  Nested := 0;
469 +  stmt := '';
470 +  State := stDefault;
471 +  while not EOF and not EndOfStatement do
472 +  begin
473 +    token := GetNextToken;
474 + //    writeln(token,' ',TokenText,' ',Terminator);
475 +    case State of
476 +    stDefault:
477 +      {ignore everything before a reserved word}
478 +      if (token <= high(TSQLReservedWords)) or (token = sqltIdentifier) then
479 +        begin
480 +          State := stInStmt;
481 +          stmt += TokenText;
482 +        end;
483 +
484 +    stInStmt:
485 +       begin
486 +        case token of
487 +          sqltBegin:
488 +          begin
489 +            FHasBegin := true;
490 +            State := stInBlock;
491 +            Nested := 1;
492 +            stmt += TokenText;
493 +          end;
494 +
495 +          sqltDeclare:
496 +            begin
497 +              State := stInDeclare;
498 +              stmt += TokenText;
499 +            end;
500 +
501 +          sqltOpenSquareBracket:
502 +             begin
503 +               State := stInArrayDim;
504 +               stmt += TokenText;
505 +             end;
506 +
507 +          sqltComment:
508 +            stmt += '/*' + TokenText + '*/';
509 +
510 +          sqltCommentLine:
511 +            stmt += '/*' + TokenText + ' */' + LineEnding;
512 +
513 +          sqltQuotedString:
514 +            stmt += '''' + SQLSafeString(TokenText) + '''';
515 +
516 +          sqltIdentifierInDoubleQuotes:
517 +            stmt += '"' + TokenText + '"';
518 +
519 +          sqltCR: {ignore};
520 +
521 +          sqltEOL:
522 +            stmt += LineEnding;
523 +
524 +          else
525 +            begin
526 +              if (tokentext = Terminator) and (Nested = 0) then
527 +              begin
528 +                EndOfStatement := true;
529 +                State := stDefault;
530 +              end
531 +              else
532 +                stmt += TokenText;
533 +            end;
534 +          end;
535 +        end;
536 +
537 +    {ignore begin..end blocks for Terminator detection }
538 +
539 +    stInBlock:
540 +      begin
541 +        case token of
542 +        sqltBegin:
543 +          begin
544 +            Inc(Nested);
545 +            stmt += TokenText;
546 +          end;
547 +
548 +        sqltEnd:
549 +          begin
550 +            Dec(Nested);
551 +            stmt += TokenText;
552 +            if Nested = 0 then
553 +            begin
554 +              State := stDefault;
555 +              EndOfStatement := true;
556 +            end;
557 +          end;
558 +
559 +        sqltComment:
560 +          stmt += '/*' + TokenText + '*/';
561 +
562 +        sqltCommentLine:
563 +          stmt += '/* ' + TokenText + ' */' + LineEnding;
564 +
565 +        sqltQuotedString:
566 +          stmt += '''' + SQLSafeString(TokenText) + '''';
567 +
568 +        sqltIdentifierInDoubleQuotes:
569 +          stmt += '"' + TokenText + '"';
570 +
571 +        sqltCR: {ignore};
572 +
573 +        sqltEOL:
574 +          stmt += LineEnding;
575 +
576 +        else
577 +          stmt += TokenText;
578 +        end;
579 +      end;
580 +
581 +      {ignore array dimensions for Terminator detection }
582 +
583 +    stInArrayDim:
584 +      begin
585 +        case token of
586 +
587 +        sqltComment:
588 +          stmt += '/*' + TokenText + '*/';
589 +
590 +        sqltCommentLine:
591 +          stmt += '/* ' + TokenText + ' */' + LineEnding;
592 +
593 +        sqltCloseSquareBracket:
594 +        begin
595 +          stmt += TokenText;
596 +          State := stInStmt;
597 +        end;
598 +
599 +        sqltCR: {ignore};
600 +
601 +        sqltEOL:
602 +          stmt += LineEnding;
603 +
604 +        else
605 +          stmt += TokenText;
606 +        end;
607 +      end;
608 +
609 +    {ignore Declare statement for terminator - semi-colon terminates declaration}
610 +
611 +    stInDeclare:
612 +      begin
613 +        case token of
614 +
615 +        sqltComment:
616 +          stmt += '/*' + TokenText + '*/';
617 +
618 +        sqltCommentLine:
619 +          stmt += '/* ' + TokenText + ' */' + LineEnding;
620 +
621 +        sqltSemiColon:
622 +          begin
623 +            State := stInStmt;
624 +            stmt += TokenText;
625 +          end;
626 +
627 +        sqltCR: {ignore};
628 +
629 +        sqltEOL:
630 +          stmt += LineEnding;
631 +
632 +        else
633 +          stmt += TokenText;
634 +        end;
635 +      end;
636 +    end;
637 +  end;
638 +  Result := stmt <> '';
639 + end;
640 +
641 + { TSQLXMLReader }
642 +
643 + function TSQLXMLReader.FindTag(tag: string; var xmlTag: TXMLTag): boolean;
644 + var i: TXMLTag;
645 + begin
646 +  Result := false;
647 +  for i := xtBlob to xtElt do
648 +    if XMLTagDefs[i].TagValue = tag then
649 +    begin
650 +      xmlTag := XMLTagDefs[i].XMLTag;
651 +      Result := true;
652 +      break;
653 +    end;
654 + end;
655 +
656 + function TSQLXMLReader.GetArrayData(index: integer): TArrayData;
657 + begin
658 +  if (index < 0) or (index > ArrayDataCount) then
659 +    ShowError(sArrayIndexError,[index]);
660 +  Result := FArrayData[index];
661 + end;
662 +
663 + function TSQLXMLReader.GetArrayDataCount: integer;
664 + begin
665 +  Result := Length(FArrayData);
666 + end;
667 +
668 + function TSQLXMLReader.GetBlobData(index: integer): TBlobData;
669 + begin
670 +  if (index < 0) or (index > BlobDataCount) then
671 +    ShowError(sBlobIndexError,[index]);
672 +  Result := FBlobData[index];
673 + end;
674 +
675 + function TSQLXMLReader.GetBlobDataCount: integer;
676 + begin
677 +  Result := Length(FBlobData);
678 + end;
679 +
680 + function TSQLXMLReader.GetTagName(xmltag: TXMLTag): string;
681 + var i: TXMLTag;
682 + begin
683 +  Result := 'unknown';
684 +  for i := xtBlob to xtElt do
685 +    if XMLTagDefs[i].XMLTag = xmltag then
686 +    begin
687 +      Result := XMLTagDefs[i].TagValue;
688 +      Exit;
689 +    end;
690 + end;
691 +
692 + procedure TSQLXMLReader.ProcessAttributeValue(attrValue: string);
693 + begin
694 +  case FXMLTagStack[FXMLTagIndex] of
695 +  xtBlob:
696 +    if FAttributeName = 'subtype' then
697 +      FBlobData[FCurrentBlob].SubType := StrToInt(attrValue)
698 +    else
699 +      ShowError(sXMLAttributeError,[FAttributeName,attrValue]);
700 +
701 +  xtArray:
702 +    if FAttributeName = 'sqltype' then
703 +      FArrayData[FCurrentArray].SQLType := StrToInt(attrValue)
704 +    else
705 +    if FAttributeName = 'relation_name' then
706 +      FArrayData[FCurrentArray].relationName := attrValue
707 +    else
708 +    if FAttributeName = 'column_name' then
709 +      FArrayData[FCurrentArray].columnName := attrValue
710 +    else
711 +    if FAttributeName = 'dim' then
712 +      FArrayData[FCurrentArray].Dim := StrToInt(attrValue)
713 +    else
714 +    if FAttributeName = 'length' then
715 +      FArrayData[FCurrentArray].Size := StrToInt(attrValue)
716 +    else
717 +    if FAttributeName = 'scale' then
718 +      FArrayData[FCurrentArray].Scale := StrToInt(attrValue)
719 +    else
720 +    if FAttributeName = 'charset' then
721 +      FArrayData[FCurrentArray].CharSet := attrValue
722 +    else
723 +    if FAttributeName = 'bounds' then
724 +      ProcessBoundsList(attrValue)
725 +    else
726 +      ShowError(sXMLAttributeError,[FAttributeName,attrValue]);
727 +
728 +  xtElt:
729 +    if FAttributeName = 'ix' then
730 +      with FArrayData[FCurrentArray] do
731 +        Index[CurrentRow] :=  StrToInt(attrValue)
732 +     else
733 +        ShowError(sXMLAttributeError,[FAttributeName,attrValue]);
734 +  end;
735 + end;
736 +
737 + procedure TSQLXMLReader.ProcessBoundsList(boundsList: string);
738 + var list: TStringList;
739 +    i,j: integer;
740 + begin
741 +  list := TStringList.Create;
742 +  try
743 +    list.Delimiter := ',';
744 +    list.DelimitedText := boundsList;
745 +    with FArrayData[FCurrentArray] do
746 +    begin
747 +      if dim <> list.Count then
748 +        ShowError(sInvalidBoundsList,[boundsList]);
749 +      SetLength(bounds,dim);
750 +      for i := 0 to list.Count - 1 do
751 +      begin
752 +        j := Pos(':',list[i]);
753 +        if j = 0 then
754 +          raise Exception.CreateFmt(sInvalidBoundsList,[boundsList]);
755 +        bounds[i].LowerBound := StrToInt(system.copy(list[i],1,j-1));
756 +        bounds[i].UpperBound := StrToInt(system.copy(list[i],j+1,length(list[i])-j));
757 +      end;
758 +    end;
759 +  finally
760 +    list.Free;
761 +  end;
762 + end;
763 +
764 + procedure TSQLXMLReader.ProcessTagValue(tagValue: string);
765 +
766 +  function nibble(hex: char): byte;
767 +  begin
768 +    case hex of
769 +    '0': Result := 0;
770 +    '1': Result := 1;
771 +    '2': Result := 2;
772 +    '3': Result := 3;
773 +    '4': Result := 4;
774 +    '5': Result := 5;
775 +    '6': Result := 6;
776 +    '7': Result := 7;
777 +    '8': Result := 8;
778 +    '9': Result := 9;
779 +    'a','A': Result := 10;
780 +    'b','B': Result := 11;
781 +    'c','C': Result := 12;
782 +    'd','D': Result := 13;
783 +    'e','E': Result := 14;
784 +    'f','F': Result := 15;
785 +    end;
786 +  end;
787 +
788 +  procedure RemoveWhiteSpace(var hexData: string);
789 +  var i: integer;
790 +  begin
791 +    {Remove White Space}
792 +    i := 1;
793 +    while i <= length(hexData) do
794 +    begin
795 +      case hexData[i] of
796 +      ' ',#9,#10,#13:
797 +        begin
798 +          if i < Length(hexData) then
799 +            Move(hexData[i+1],hexData[i],Length(hexData)-i);
800 +          SetLength(hexData,Length(hexData)-1);
801 +        end;
802 +      else
803 +        Inc(i);
804 +      end;
805 +    end;
806 +  end;
807 +
808 +  procedure WriteToBlob(hexData: string);
809 +  var i,j : integer;
810 +      blength: integer;
811 +      P: PChar;
812 +  begin
813 +    RemoveWhiteSpace(hexData);
814 +    if odd(length(hexData)) then
815 +      ShowError(sBinaryBlockMustbeEven,[nil]);
816 +    blength := Length(hexData) div 2;
817 +    IBAlloc(FBlobBuffer,0,blength);
818 +    j := 1;
819 +    P := FBlobBuffer;
820 +    for i := 1 to blength do
821 +    begin
822 +      P^ := char((nibble(hexData[j]) shl 4) or nibble(hexdata[j+1]));
823 +      Inc(j,2);
824 +      Inc(P);
825 +    end;
826 +    FBlobData[FCurrentBlob].BlobIntf.Write(FBlobBuffer^,blength);
827 +  end;
828 +
829 + begin
830 +  if tagValue = '' then Exit;
831 +  case FXMLTagStack[FXMLTagIndex] of
832 +  xtBlob:
833 +    WriteToBlob(tagValue);
834 +
835 +  xtElt:
836 +    with FArrayData[FCurrentArray] do
837 +      ArrayIntf.SetAsString(index,tagValue);
838 +
839 +  end;
840 + end;
841 +
842 + procedure TSQLXMLReader.XMLTagInit(xmltag: TXMLTag);
843 + begin
844 +  if FXMLTagIndex > MaxXMLTags then
845 +    ShowError(sXMLStackOverFlow,[nil]);
846 +  Inc(FXMLTagIndex);
847 +  FXMLTagStack[FXMLTagIndex] := xmltag;
848 +  FXMLString := '';
849 +
850 +  case xmltag of
851 +  xtBlob:
852 +    begin
853 +      Inc(FCurrentBlob);
854 +      SetLength(FBlobData,FCurrentBlob+1);
855 +      FBlobData[FCurrentBlob].BlobIntf := nil;
856 +      FBlobData[FCurrentBlob].SubType := 0;
857 +    end;
858 +
859 +  xtArray:
860 +    begin
861 +      Inc(FCurrentArray);
862 +      SetLength(FArrayData,FCurrentArray+1);
863 +      with FArrayData[FCurrentArray] do
864 +      begin
865 +        ArrayIntf := nil;
866 +        SQLType := 0;
867 +        dim := 0;
868 +        Size := 0;
869 +        Scale := 0;
870 +        CharSet := 'NONE';
871 +        SetLength(Index,0);
872 +        CurrentRow := -1;
873 +      end;
874 +    end;
875 +
876 +  xtElt:
877 +      with FArrayData[FCurrentArray] do
878 +        Inc(CurrentRow)
879 +  end;
880 + end;
881 +
882 + function TSQLXMLReader.XMLTagEnd(var xmltag: TXMLTag): boolean;
883 + begin
884 +  if FXMLTagIndex = 0 then
885 +    ShowError(sXMLStackUnderflow,[nil]);
886 +
887 +  xmlTag := FXMLTagStack[FXMLTagIndex];
888 +  case FXMLTagStack[FXMLTagIndex] of
889 +  xtBlob:
890 +    FBlobData[FCurrentBlob].BlobIntf.Close;
891 +
892 +  xtArray:
893 +    FArrayData[FCurrentArray].ArrayIntf.SaveChanges;
894 +
895 +  xtElt:
896 +    Dec(FArrayData[FCurrentArray].CurrentRow);
897 +  end;
898 +  Dec(FXMLTagIndex);
899 +  Result := FXMLTagIndex = 0;
900 + end;
901 +
902 + procedure TSQLXMLReader.XMLTagEnter;
903 + var aCharSetID: integer;
904 + begin
905 +  if Database = nil then
906 +    ShowError(sNoDatabase);
907 +  if Transaction = nil then
908 +    ShowError(sNoTransaction);
909 +  case FXMLTagStack[FXMLTagIndex] of
910 +  xtBlob:
911 +    begin
912 +      Database.Connected := true;
913 +      Transaction.Active := true;
914 +      FBlobData[FCurrentBlob].BlobIntf := Database.Attachment.CreateBlob(
915 +        Transaction.TransactionIntf,FBlobData[FCurrentBlob].SubType);
916 +    end;
917 +
918 +  xtArray:
919 +    with FArrayData[FCurrentArray] do
920 +    begin
921 +      Database.Connected := true;
922 +      Transaction.Active := true;
923 +      Database.Attachment.CharSetName2CharSetID(CharSet,aCharSetID);
924 +      SetLength(Index,dim);
925 +      ArrayIntf := Database.Attachment.CreateArray(
926 +                     Transaction.TransactionIntf,
927 +                     Database.Attachment.CreateArrayMetaData(SQLType,
928 +                       relationName,columnName,Scale,Size,
929 +                       aCharSetID,dim,bounds)
930 +                     );
931 +    end;
932 +  end;
933 + end;
934 +
935 + {This is where the XML tags are identified and the token stream modified in
936 + consequence}
937 +
938 + function TSQLXMLReader.TokenFound(var token: TSQLTokens): boolean;
939 +
940 + procedure NotAnXMLTag;
941 + begin
942 +   begin
943 +     if FXMLTagIndex = 0 then
944 +     {nothing to do with XML so go back to processing SQL}
945 +     begin
946 +       QueueToken(token);
947 +       ReleaseQueue(token);
948 +       FXMLState := stNoXML
949 +     end
950 +     else
951 +     begin
952 +       {Not an XML tag, so just push back to XML Data}
953 +       FXMLState := stXMLData;
954 +       FXMLString += GetQueuedText;
955 +       ResetQueue;
956 +     end;
957 +   end;
958 + end;
959 +
960 + var XMLTag: TXMLTag;
961 + begin
962 +  Result := inherited TokenFound(token);
963 +  if not Result then Exit;
964 +
965 +  case FXMLState of
966 +  stNoXML:
967 +    if token = sqltLT then
968 +    begin
969 +      ResetQueue;
970 +      QueueToken(token); {save in case this is not XML}
971 +      FXMLState := stInTag;
972 +    end;
973 +
974 +  stInTag:
975 +    {Opening '<' found, now looking for tag name or end tag marker}
976 +    case token of
977 +    sqltIdentifier:
978 +      begin
979 +        if FindTag(TokenText,XMLTag) then
980 +        begin
981 +          XMLTagInit(XMLTag);
982 +          QueueToken(token);
983 +          FXMLState := stInTagBody;
984 +        end
985 +        else
986 +          NotAnXMLTag;
987 +      end;
988 +
989 +    sqltForwardSlash:
990 +      FXMLState := stInEndTag;
991 +
992 +    else
993 +      NotAnXMLTag;
994 +    end {case token};
995 +
996 +  stInTagBody:
997 +    {Tag name found. Now looking for attribute or closing '>'}
998 +    case token of
999 +    sqltIdentifier:
1000 +      begin
1001 +        FAttributeName := TokenText;
1002 +        QueueToken(token);
1003 +        FXMLState := stAttribute;
1004 +      end;
1005 +
1006 +    sqltGT:
1007 +      begin
1008 +        ResetQueue;
1009 +        XMLTagEnter;
1010 +        FXMLState := stXMLData;
1011 +      end;
1012 +
1013 +    sqltSpace,
1014 +    sqltCR, sqltEOL:
1015 +      QueueToken(token);
1016 +
1017 +    else
1018 +      NotAnXMLTag;
1019 +    end {case token};
1020 +
1021 +  stAttribute:
1022 +    {Attribute name found. Must be followed by an '=', a '>' or another tag name}
1023 +    case token of
1024 +      sqltEquals:
1025 +      begin
1026 +        QueueToken(token);
1027 +        FXMLState := stAttributeValue;
1028 +      end;
1029 +
1030 +      sqltSpace,
1031 +      sqltCR, sqltEOL:
1032 +        QueueToken(token);
1033 +
1034 +      sqltIdentifier:
1035 +        begin
1036 +          ProcessAttributeValue('');
1037 +          FAttributeName := TokenText;
1038 +          QueueToken(token);
1039 +          FXMLState := stAttribute;
1040 +        end;
1041 +
1042 +      sqltGT:
1043 +        begin
1044 +          ProcessAttributeValue('');
1045 +          ResetQueue;
1046 +          XMLTagEnter;
1047 +          FXMLState := stXMLData;
1048 +        end;
1049 +
1050 +      else
1051 +        NotAnXMLTag;
1052 +    end; {case token}
1053 +
1054 +  stAttributeValue:
1055 +    {Looking for attribute value as a single identifier or a double quoted value}
1056 +    case token of
1057 +    sqltIdentifier,sqltIdentifierInDoubleQuotes:
1058 +      begin
1059 +        ProcessAttributeValue(TokenText);
1060 +        QueueToken(token);
1061 +        FXMLState := stInTagBody;
1062 +      end;
1063 +
1064 +    sqltSpace,
1065 +    sqltCR, sqltEOL:
1066 +      QueueToken(token);
1067 +
1068 +    else
1069 +      NotAnXMLTag;
1070 +    end; {case token}
1071 +
1072 +  stXMLData:
1073 +    if token = sqltLT then
1074 +    begin
1075 +      QueueToken(token); {save in case this is not XML}
1076 +      FXMLState := stInTag;
1077 +    end
1078 +    else
1079 +      FXMLString += TokenText;
1080 +
1081 +  stInEndTag:
1082 +    {Opening '</' found, now looking for tag name}
1083 +    case token of
1084 +    sqltIdentifier:
1085 +      begin
1086 +        if FindTag(TokenText,XMLTag) and (XMLTag = FXMLTagStack[FXMLTagIndex]) then
1087 +        begin
1088 +          QueueToken(token);
1089 +          FXMLState := stInEndTagBody;
1090 +        end
1091 +        else
1092 +          ShowError(sInvalidEndTag,[TokenText]);
1093 +      end;
1094 +    else
1095 +      NotAnXMLTag;
1096 +    end {case token};
1097 +
1098 +  stInEndTagBody:
1099 +  {End tag name found, now looping for closing '>'}
1100 +    case Token of
1101 +    sqltGT:
1102 +      begin
1103 +        ProcessTagValue(FXMLString);
1104 +        if XMLTagEnd(XMLTag) then
1105 +        begin
1106 +          ResetQueue;
1107 +          QueueToken(sqltColon,':');
1108 +          case XMLTag of
1109 +            xtBlob:
1110 +              QueueToken(sqltIdentifier,Format(ibx_blob+'%d',[FCurrentBlob]));
1111 +
1112 +            xtArray:
1113 +              QueueToken(sqltIdentifier, Format(ibx_array+'%d',[FCurrentArray]));
1114 +          end;
1115 +          ReleaseQueue(token);
1116 +          FXMLState := stNoXML;
1117 +       end
1118 +       else
1119 +         FXMLState := stXMLData;
1120 +      end;
1121 +
1122 +    sqltSpace,
1123 +    sqltCR, sqltEOL:
1124 +      QueueToken(token);
1125 +
1126 +    else
1127 +      ShowError(sBadEndTagClosing);
1128 +    end; {case token}
1129 +
1130 +  end {Case FState};
1131 +
1132 +  {Only allow token to be returned if not processing an XML tag}
1133 +
1134 +  Result := FXMLState = stNoXML;
1135 + end;
1136 +
1137 + procedure TSQLXMLReader.ShowError(msg: string; params: array of const);
1138 + begin
1139 +  raise EIBClientError.CreateFmt(GetErrorPrefix + msg,params);
1140 + end;
1141 +
1142 + procedure TSQLXMLReader.ShowError(msg: string);
1143 + begin
1144 +  ShowError(msg,[nil]);
1145 + end;
1146 +
1147 + constructor TSQLXMLReader.Create;
1148 + begin
1149 +  inherited;
1150 +  FXMLState := stNoXML;
1151 + end;
1152 +
1153 + procedure TSQLXMLReader.FreeDataObjects;
1154 + begin
1155 +  FXMLTagIndex := 0;
1156 +  SetLength(FBlobData,0);
1157 +  FCurrentBlob := -1;
1158 +  SetLength(FArrayData,0);
1159 +  FCurrentArray := -1;
1160 + end;
1161 +
1162 + class function TSQLXMLReader.FormatBlob(Field: ISQLData): string;
1163 + var TextOut: TStrings;
1164 + begin
1165 +  TextOut := TStringList.Create;
1166 +  try
1167 +    TextOut.Add(Format('<blob subtype="%d">',[Field.getSubtype]));
1168 +    StringToHex(Field.AsString,TextOut,BlobLineLength);
1169 +    TextOut.Add('</blob>');
1170 +    Result := TextOut.Text;
1171 +  finally
1172 +    TextOut.Free;
1173 +  end;
1174 + end;
1175 +
1176 + class function TSQLXMLReader.FormatArray(Database: TIBDatabase; ar: IArray
1177 +  ): string;
1178 + var index: array of integer;
1179 +    TextOut: TStrings;
1180 +
1181 +    procedure AddElements(dim: integer; indent:string = ' ');
1182 +    var i: integer;
1183 +        recurse: boolean;
1184 +    begin
1185 +      SetLength(index,dim+1);
1186 +      recurse := dim < ar.GetDimensions - 1;
1187 +      with ar.GetBounds[dim] do
1188 +      for i := LowerBound to UpperBound do
1189 +      begin
1190 +        index[dim] := i;
1191 +        if recurse then
1192 +        begin
1193 +          TextOut.Add(Format('%s<elt id="%d">',[indent,i]));
1194 +          AddElements(dim+1,indent + ' ');
1195 +          TextOut.Add('</elt>');
1196 +        end
1197 +        else
1198 +        if ((ar.GetSQLType = SQL_TEXT) or (ar.GetSQLType = SQL_VARYING)) and
1199 +           (ar.GetCharSetID = 1) then
1200 +           TextOut.Add(Format('%s<elt ix="%d">%s</elt>',[indent,i,StringToHex(ar.GetAsString(index))]))
1201 +        else
1202 +          TextOut.Add(Format('%s<elt ix="%d">%s</elt>',[indent,i,ar.GetAsString(index)]));
1203 +      end;
1204 +    end;
1205 +
1206 + var
1207 +    s: string;
1208 +    bounds: TArrayBounds;
1209 +    i: integer;
1210 +    boundsList: string;
1211 + begin
1212 +  TextOut := TStringList.Create;
1213 +  try
1214 +    s := Format('<array dim = "%d" sqltype = "%d" length = "%d" relation_name = "%s" column_name = "%s"',
1215 +                                [ar.GetDimensions,ar.GetSQLType,ar.GetSize,
1216 +                                 ar.GetTableName,ar.GetColumnName]);
1217 +    case ar.GetSQLType of
1218 +    SQL_DOUBLE, SQL_FLOAT, SQL_LONG, SQL_SHORT, SQL_D_FLOAT, SQL_INT64:
1219 +       s += Format(' scale = "%d"',[ ar.GetScale]);
1220 +    SQL_TEXT,
1221 +    SQL_VARYING:
1222 +      s += Format(' charset = "%s"',[Database.Attachment.GetCharsetName(ar.GetCharSetID)]);
1223 +    end;
1224 +    bounds := ar.GetBounds;
1225 +    boundsList := '';
1226 +    for i := 0 to length(bounds) - 1 do
1227 +    begin
1228 +      if i <> 0 then boundsList += ',';
1229 +      boundsList += Format('%d:%d',[bounds[i].LowerBound,bounds[i].UpperBound]);
1230 +    end;
1231 +    s += Format(' bounds="%s"',[boundsList]);
1232 +    s += '>';
1233 +    TextOut.Add(s);
1234 +
1235 +    SetLength(index,0);
1236 +    AddElements(0);
1237 +    TextOut.Add('</array>');
1238 +    Result := TextOut.Text;
1239 +  finally
1240 +    TextOut.Free;
1241 +  end;       end;
1242 +
1243 + procedure TSQLXMLReader.Reset;
1244 + begin
1245 +  inherited Reset;
1246 +  FreeDataObjects;
1247 +  FXMLString := '';
1248 +  FreeMem(FBlobBuffer);
1249 + end;
1250 +
1251  
1252  
1253   { TIBXScript }
# Line 498 | Line 1255 | end;
1255   constructor TIBXScript.Create(aOwner: TComponent);
1256   begin
1257    inherited Create(aOwner);
1258 <  FSymbolStream := TBatchSymbolStream.Create;
502 <  FSymbolStream.OnNextLine := @EchoNextLine;
1258 >  SetSQLStatementReader(TBatchSQLStatementReader.Create);
1259   end;
1260  
1261   function TIBXScript.PerformUpdate(SQLFile: string; aAutoDDL: boolean): boolean;
# Line 517 | Line 1273 | end;
1273  
1274   function TIBXScript.RunScript(SQLFile: string): boolean;
1275   begin
1276 <  TBatchSymbolStream(FSymbolStream).SetStreamSource(SQLFile);
1276 >  TBatchSQLStatementReader(FSQLReader).SetStreamSource(SQLFile);
1277    Result := ProcessStream;
1278   end;
1279  
1280   function TIBXScript.RunScript(SQLStream: TStream): boolean;
1281   begin
1282 <  TBatchSymbolStream(FSymbolStream).SetStreamSource(SQLStream);
1282 >  TBatchSQLStatementReader(FSQLReader).SetStreamSource(SQLStream);
1283    Result := ProcessStream;
1284   end;
1285  
1286   function TIBXScript.RunScript(SQLLines: TStrings): boolean;
1287   begin
1288 <  TBatchSymbolStream(FSymbolStream).SetStreamSource(SQLLines);
1288 >  TBatchSQLStatementReader(FSQLReader).SetStreamSource(SQLLines);
1289    Result := ProcessStream;
1290   end;
1291  
1292   function TIBXScript.ExecSQLScript(sql: string): boolean;
537 var s: TStringList;
1293   begin
1294 <  s := TStringList.Create;
1295 <  try
541 <    s.Text := sql;
542 <    TBatchSymbolStream(FSymbolStream).SetStreamSource(s);
543 <    Result := ProcessStream;
544 <  finally
545 <    s.Free;
546 <  end;
1294 >  TBatchSQLStatementReader(FSQLReader).SetStringStreamSource(sql);
1295 >  Result := ProcessStream;
1296   end;
1297  
1298   { TCustomIBXScript }
# Line 579 | Line 1328 | begin
1328     FISQL.SQL.Text := stmt;
1329     FISQL.Transaction := GetTransaction;
1330     FISQL.Transaction.Active := true;
1331 <   FISQL.ParamCheck := not FIBSQLProcessor.HasBegin; {Probably PSQL}
1331 > //   FISQL.ParamCheck := not FSQLReader.HasBegin; {Probably PSQL}
1332     FISQL.Prepare;
1333     FISQL.Statement.EnableStatistics(ShowPerformanceStats);
1334  
# Line 618 | Line 1367 | end;
1367  
1368   function TCustomIBXScript.GetOnProgressEvent: TOnProgressEvent;
1369   begin
1370 <  Result := FSymbolStream.OnProgressEvent;
1370 >  Result := FSQLReader.OnProgressEvent;
1371   end;
1372  
1373   function TCustomIBXScript.GetTransaction: TIBTransaction;
# Line 651 | Line 1400 | begin
1400   if not (csLoading in ComponentState) and (FDatabase = AValue) then Exit;
1401   FDatabase := AValue;
1402   FISQL.Database := AValue;
1403 < FIBXMLProcessor.Database := AValue;
1403 > FSQLReader.Database := AValue;
1404   FInternalTransaction.Active := false;
1405   FInternalTransaction.DefaultDatabase := AValue;
1406   end;
# Line 668 | Line 1417 | end;
1417  
1418   procedure TCustomIBXScript.SetOnProgressEvent(AValue: TOnProgressEvent);
1419   begin
1420 <  FSymbolStream.OnProgressEvent := AValue;
1420 >  FSQLReader.OnProgressEvent := AValue;
1421   end;
1422  
1423   procedure TCustomIBXScript.SetParamValue(SQLVar: ISQLParam);
1424   var BlobID: TISC_QUAD;
1425      ix: integer;
1426   begin
1427 <  if (SQLVar.SQLType = SQL_BLOB) and (Pos(ibx_blob,SQLVar.Name) = 1) then
1427 >  if (SQLVar.SQLType = SQL_BLOB) and (Pos(TSQLXMLReader.ibx_blob,SQLVar.Name) = 1) then
1428    begin
1429 <    ix := StrToInt(system.copy(SQLVar.Name,length(ibx_blob)+1,length(SQLVar.Name)-length(ibx_blob)));
1430 <    SQLVar.AsBlob := FIBXMLProcessor.BlobData[ix].BlobIntf;
1429 >    ix := StrToInt(system.copy(SQLVar.Name,length(TSQLXMLReader.ibx_blob)+1,length(SQLVar.Name)-length(TSQLXMLReader.ibx_blob)));
1430 >    SQLVar.AsBlob := FSQLReader.BlobData[ix].BlobIntf;
1431      Exit;
1432    end
1433    else
1434 <  if (SQLVar.SQLType = SQL_ARRAY) and (Pos(ibx_array,SQLVar.Name) = 1) then
1434 >  if (SQLVar.SQLType = SQL_ARRAY) and (Pos(TSQLXMLReader.ibx_array,SQLVar.Name) = 1) then
1435    begin
1436 <    ix := StrToInt(system.copy(SQLVar.Name,length(ibx_array)+1,length(SQLVar.Name)-length(ibx_array)));
1437 <    SQLVar.AsArray := FIBXMLProcessor.ArrayData[ix].ArrayIntf;
1436 >    ix := StrToInt(system.copy(SQLVar.Name,length(TSQLXMLReader.ibx_array)+1,length(SQLVar.Name)-length(TSQLXMLReader.ibx_array)));
1437 >    SQLVar.AsArray := FSQLReader.ArrayData[ix].ArrayIntf;
1438      Exit;
1439    end;
1440  
# Line 714 | Line 1463 | function TCustomIBXScript.ProcessStream:
1463   var stmt: string;
1464   begin
1465    Result := false;
1466 <  while FIBSQLProcessor.GetNextStatement(FSymbolStream,stmt) do
1466 >  while FSQLReader.GetNextStatement(stmt) do
1467    try
1468 +    stmt := trim(stmt);
1469   //    writeln('stmt = ',stmt);
1470 <    if trim(stmt) = '' then continue;
1470 >    if stmt = '' then continue;
1471      if not ProcessStatement(stmt) then
1472        ExecSQL(stmt);
1473  
# Line 725 | Line 1475 | begin
1475        begin
1476          with GetTransaction do
1477            if InTransaction then Rollback;
1478 <        FSymbolStream.Terminator := DefaultTerminator;
1478 >        FSQLReader.Terminator := TSQLStatementReader.DefaultTerminator;
1479          if assigned(OnErrorLog) then
1480          begin
1481 <          Add2Log(Format(sStatementError,[FSymbolStream.GetErrorPrefix,
1481 >          Add2Log(Format(sStatementError,[FSQLReader.GetErrorPrefix,
1482                               E.Message,stmt]),true);
1483                               if StopOnFirstError then Exit;
1484          end
# Line 739 | Line 1489 | begin
1489    Result := true;
1490   end;
1491  
1492 + procedure TCustomIBXScript.SetSQLStatementReader(
1493 +  SQLStatementReader: TSQLStatementReader);
1494 + begin
1495 +  FSQLReader := SQLStatementReader;
1496 +  FSQLReader.OnNextLine := @EchoNextLine;
1497 +  FSQLReader.Transaction := FInternalTransaction;
1498 + end;
1499 +
1500   function TCustomIBXScript.ProcessStatement(stmt: string): boolean;
1501   var command: string;
1502  
# Line 850 | Line 1608 | var  RegexObj: TRegExpr;
1608       LoginPrompt: boolean;
1609   begin
1610    Result := false;
1611 <  Terminator := FSymbolStream.Terminator;
1611 >  Terminator := FSQLReader.Terminator;
1612    RegexObj := TRegExpr.Create;
1613    try
1614      {process create database}
# Line 868 | Line 1626 | begin
1626          OnCreateDatabase(self,FileName);
1627        stmt := 'CREATE DATABASE ''' + FileName + '''' + system.copy(stmt,RegexObj.MatchPos[3], RegexObj.MatchLen[3]);
1628        UpdateUserPassword;
1629 <      FDatabase.Connected := false;
1629 >      if FDatabase.Connected then
1630 >        FDatabase.Dropdatabase;
1631        FDatabase.CreateDatabase(stmt);
873      FDatabase.Connected := false;
874      ExtractUserInfo;
875      FDatabase.Connected := true;
1632        Result := true;
1633        Exit;
1634      end;
# Line 920 | Line 1676 | begin
1676      RegexObj.Expression := '^ *SET +TERM +(.) *(\' + Terminator + '|)';
1677      if RegexObj.Exec(stmt) then
1678      begin
1679 <       FSymbolStream.Terminator := RegexObj.Match[1][1];
1679 >       FSQLReader.Terminator := RegexObj.Match[1][1];
1680         Result := true;
1681         Exit;
1682      end;
# Line 985 | Line 1741 | begin
1741        begin
1742          if assigned(DataOutputFormatter) then
1743            DataOutputFormatter.SetCommand(command,param,stmt,Result);
1744 <        if not Result and assigned(OnSetStatement) then
1745 <          OnSetStatement(self,command,param,stmt,Result)
1746 <        else
1747 <          raise Exception.CreateFmt(sInvalidSetStatement, [command,stmt]);
1744 >        if not Result then
1745 >        begin
1746 >          if assigned(OnSetStatement) then
1747 >            OnSetStatement(self,command,param,stmt,Result)
1748 >          else
1749 >            raise Exception.CreateFmt(sInvalidSetStatement, [command,stmt]);
1750 >        end;
1751          Exit;
1752        end;
1753        Result := true;
# Line 1004 | Line 1763 | procedure TCustomIBXScript.SetTransactio
1763   begin
1764    if FTransaction = AValue then Exit;
1765    FTransaction := AValue;
1766 <  FIBXMLProcessor.Transaction := AValue;
1766 >  if FTransaction = nil then
1767 >    FSQLReader.Transaction := FInternalTransaction
1768 >  else
1769 >    FSQLReader.Transaction := FTransaction;
1770   end;
1771  
1772   constructor TCustomIBXScript.Create(aOwner: TComponent);
# Line 1015 | Line 1777 | begin
1777    FAutoDDL := true;
1778    FISQL := TIBSQL.Create(self);
1779    FISQL.ParamCheck := true;
1018  FIBXMLProcessor := TIBXMLProcessor.Create;
1019  FIBSQLProcessor := TIBSQLProcessor.Create(FIBXMLProcessor);
1780    FInternalTransaction := TIBTransaction.Create(self);
1781    FInternalTransaction.Params.Clear;
1782    FInternalTransaction.Params.Add('concurrency');
# Line 1025 | Line 1785 | end;
1785  
1786   destructor TCustomIBXScript.Destroy;
1787   begin
1788 <  if FIBSQLProcessor <> nil then FIBSQLProcessor.Free;
1029 <  if FIBXMLProcessor <> nil then FIBXMLProcessor.Free;
1030 <  if FSymbolStream <> nil then FSymbolStream.Free;
1788 >  if FSQLReader <> nil then FSQLReader.Free;
1789    if FISQL <> nil then FISQL.Free;
1790    if FInternalTransaction <> nil then FInternalTransaction.Free;
1791    inherited Destroy;
# Line 1038 | Line 1796 | begin
1796    if assigned(DataOutputFormatter) then
1797      DataOutputFormatter.DataOut(aSQLText,@Add2Log)
1798    else
1799 <    FSymbolStream.ShowError(sNoSelectSQL,[nil]);
1799 >    FSQLReader.ShowError(sNoSelectSQL);
1800   end;
1801  
1802 < { TIBSQLProcessor }
1802 > { TInteractiveSQLStatementReader }
1803  
1804 < procedure TIBSQLProcessor.AddToSQL(const Symbol: string);
1804 > function TInteractiveSQLStatementReader.GetErrorPrefix: string;
1805   begin
1806 <  FSQLText := FSQLText +  Symbol;
1049 < //  writeln('SQL = ',FSQLText);
1050 < end;
1051 <
1052 < procedure TIBSQLProcessor.SetState(AState: TSQLStates);
1053 < begin
1054 <  if FStackIndex > 16 then
1055 <    FSymbolStream.ShowError(sStackOverFlow,[nil]);
1056 <  FStack[FStackIndex] := FState;
1057 <  Inc(FStackIndex);
1058 <  FState := AState
1059 < end;
1060 <
1061 < function TIBSQLProcessor.PopState: TSQLStates;
1062 < begin
1063 <  if FStackIndex = 0 then
1064 <    FSymbolStream.ShowError(sStackUnderflow,[nil]);
1065 <  Dec(FStackIndex);
1066 <  Result := FStack[FStackIndex]
1067 < end;
1068 <
1069 < constructor TIBSQLProcessor.Create(XMLProcessor: TIBXMLProcessor);
1070 < begin
1071 <  inherited Create;
1072 <  FXMLProcessor := XMLProcessor;
1806 >  Result := '';
1807   end;
1808  
1809 < function TIBSQLProcessor.GetNextStatement(SymbolStream: TSymbolStream;
1076 <  var stmt: string): boolean;
1077 < var Symbol: TSQLSymbol;
1078 <    NonSpace: boolean;
1079 <    Done: boolean;
1809 > function TInteractiveSQLStatementReader.GetNextLine(var Line: string): boolean;
1810   begin
1811 <  FSQLText := '';
1812 <  FState := stInit;
1813 <  FHasBegin := false;
1814 <  FSymbolStream := SymbolStream;
1815 <  FXMLProcessor.NextStatement;
1816 <  SymbolStream.NextStatement;
1087 <
1088 <  Result := true;
1089 <  Done := false;
1090 <  NonSpace := false;
1091 <  while not Done do
1092 <  with SymbolStream do
1811 >  if FNextStatement then
1812 >    write(FPrompt)
1813 >  else
1814 >    write(FContinuePrompt);
1815 >  Result := not system.EOF;
1816 >  if Result then
1817    begin
1818 <    if FState = stError then
1819 <      ShowError(sErrorState,[nil]);
1096 <    Symbol := GetSymbol;
1097 < //    writeln('Symbol = ',Symbol,' Value = ',SymbolValue);
1098 <    if not (Symbol in [' ',sqEOL]) then
1099 <      NonSpace := true;
1100 <
1101 <    case Symbol of
1102 <    sqTag:
1103 <      begin
1104 <        if FState in [stInSQL,stNested] then
1105 <          AddToSQL(FXMLProcessor.AnalyseXML(SymbolStream));
1106 <      end;
1107 <
1108 <    sqTerminator:
1109 <        case FState of
1110 <        stInit: {ignore empty statement};
1111 <
1112 <        stInSQL:
1113 <            Done := true;
1114 <
1115 <       stNested:
1116 <         AddToSQL(Terminator);
1117 <
1118 <       stInDeclaration:
1119 <         begin
1120 <           FState := PopState;
1121 <           AddToSQL(Terminator);
1122 <         end;
1123 <
1124 <       else
1125 <         ShowError(sTerminatorUnknownState,[FState]);
1126 <       end;
1127 <
1128 <    ';':
1129 <        begin
1130 <          if FState = stInDeclaration then
1131 <            FState := PopState;
1132 <          AddToSQL(';');
1133 <        end;
1134 <
1135 <    '*':
1136 <      begin
1137 <       AddToSQL('*');
1138 <       if FState =  stInit then
1139 <          FState := stInSQL
1140 <      end;
1141 <
1142 <    '/':
1143 <      begin
1144 <       AddToSQL('/');
1145 <       if FState =  stInit then
1146 <          FState := stInSQL
1147 <      end;
1148 <
1149 <    sqComment,
1150 <    sqQuotedString,
1151 <    sqDoubleQuotedString:
1152 <      if FState <> stInit then
1153 <        AddToSQL(SymbolValue);
1154 <
1155 <    sqCommentLine:
1156 <      if FState <> stInit then
1157 <      AddToSQL(SymbolValue + LineEnding);
1158 <
1159 <    sqEnd:
1160 <      begin
1161 <        AddToSQL(SymbolValue);
1162 <        case FState of
1163 <        stNested:
1164 <          begin
1165 <            if FNested = 0 then
1166 <            begin
1167 <              FState := PopState;
1168 <              if not FInCase then
1169 <              begin
1170 <                FState := stInit;
1171 <                Done := true;
1172 <              end
1173 <              else
1174 <                FInCase := false;
1175 <            end
1176 <           else
1177 <              Dec(FNested)
1178 <          end;
1179 <          {Otherwise ignore}
1180 <        end
1181 <      end;
1182 <
1183 <    sqBegin:
1184 <      begin
1185 <        FHasBegin := true;
1186 <        AddToSQL(SymbolValue);
1187 <        case FState of
1188 <        stNested:
1189 <          Inc(FNested);
1190 <
1191 <        stInSQL,
1192 <        stInit:
1193 <          SetState(stNested);
1194 <        end
1195 <      end;
1196 <
1197 <    sqCase:
1198 <    begin
1199 <      AddToSQL(SymbolValue);
1200 <      case FState of
1201 <      stNested:
1202 <        Inc(FNested);
1203 <
1204 <      stInSQL,
1205 <      stInit:
1206 <        begin
1207 <          FInCase := true;
1208 <          SetState(stNested);
1209 <        end;
1210 <      end
1211 <    end;
1212 <
1213 <    sqDeclare:
1214 <      begin
1215 <        AddToSQL(SymbolValue);
1216 <        if FState in [stInit,stInSQL] then
1217 <          SetState(stInDeclaration)
1218 <      end;
1219 <
1220 <    sqString:
1221 <      begin
1222 <        AddToSQL(SymbolValue);
1223 <        if FState = stInit then
1224 <          FState := stInSQL
1225 <      end;
1226 <
1227 <    sqEOL:
1228 <      begin
1229 <        case FState of
1230 <        stInit:
1231 <          {Do nothing};
1232 <        else
1233 <          if NonSpace then AddToSQL(LineEnding);
1234 <        end;
1235 <      end;
1236 <
1237 <    sqEOF:
1238 <      begin
1239 <        Done := true;
1240 <        Result := trim(FSQLText) <> '';
1241 <      end
1242 <    else
1243 <    if FState <> stInit then
1244 <      AddToSQL(Symbol);
1245 <    end
1246 <  end;
1247 <  stmt := FSQLText;
1248 < //  writeln('stmt = ',stmt);
1249 < end;
1250 <
1251 < { TIBXMLProcessor }
1252 <
1253 < procedure TIBXMLProcessor.EndXMLTag(xmltag: TXMLTag);
1254 < begin
1255 <  if FXMLTagIndex = 0 then
1256 <    FSymbolStream.ShowError(sXMLStackUnderflow,[nil]);
1257 <  if xmltag <> FXMLTagStack[FXMLTagIndex] then
1258 <    FSymbolStream.ShowError(sInvalidEndTag,[FSymbolStream.SymbolValue]);
1259 <
1260 <  case FXMLTagStack[FXMLTagIndex] of
1261 <  xtBlob:
1262 <    FBlobData[FCurrentBlob].BlobIntf.Close;
1263 <
1264 <  xtArray:
1265 <    FArrayData[FCurrentArray].ArrayIntf.SaveChanges;
1266 <
1267 <  xtElt:
1268 <    Dec(FArrayData[FCurrentArray].CurrentRow);
1269 <  end;
1270 <  Dec(FXMLTagIndex);
1271 < end;
1272 <
1273 < procedure TIBXMLProcessor.EnterTag;
1274 < var aCharSetID: integer;
1275 < begin
1276 <  case FXMLTagStack[FXMLTagIndex] of
1277 <  xtBlob:
1278 <    begin
1279 <      Database.Connected := true;
1280 <      Transaction.Active := true;
1281 <      FBlobData[FCurrentBlob].BlobIntf := Database.Attachment.CreateBlob(
1282 <        Transaction.TransactionIntf,FBlobData[FCurrentBlob].SubType);
1283 <    end;
1284 <
1285 <  xtArray:
1286 <    with FArrayData[FCurrentArray] do
1287 <    begin
1288 <      Database.Connected := true;
1289 <      Transaction.Active := true;
1290 <      Database.Attachment.CharSetName2CharSetID(CharSet,aCharSetID);
1291 <      SetLength(Index,dim);
1292 <      ArrayIntf := Database.Attachment.CreateArray(
1293 <                     Transaction.TransactionIntf,
1294 <                     Database.Attachment.CreateArrayMetaData(SQLType,
1295 <                       relationName,columnName,Scale,Size,
1296 <                       aCharSetID,dim,bounds)
1297 <                     );
1298 <    end;
1818 >    readln(Line);
1819 >    EchoNextLine(Line);
1820    end;
1821   end;
1822  
1823 < function TIBXMLProcessor.GetArrayData(index: integer): TArrayData;
1303 < begin
1304 <  if (index < 0) or (index > ArrayDataCount) then
1305 <    FSymbolStream.ShowError(sArrayIndexError,[index]);
1306 <  Result := FArrayData[index];
1307 < end;
1308 <
1309 < function TIBXMLProcessor.GetArrayDataCount: integer;
1823 > function TInteractiveSQLStatementReader.GetChar: char;
1824   begin
1825 <  Result := Length(FArrayData);
1826 < end;
1827 <
1828 < function TIBXMLProcessor.GetBlobData(index: integer): TBlobData;
1315 < begin
1316 <  if (index < 0) or (index > BlobDataCount) then
1317 <    FSymbolStream.ShowError(sBlobIndexError,[index]);
1318 <  Result := FBlobData[index];
1319 < end;
1320 <
1321 < function TIBXMLProcessor.GetBlobDataCount: integer;
1322 < begin
1323 <  Result := Length(FBlobData);
1324 < end;
1325 <
1326 < procedure TIBXMLProcessor.ProcessTagValue(tagValue: string);
1327 <
1328 <  function nibble(hex: char): byte;
1329 <  begin
1330 <    case hex of
1331 <    '0': Result := 0;
1332 <    '1': Result := 1;
1333 <    '2': Result := 2;
1334 <    '3': Result := 3;
1335 <    '4': Result := 4;
1336 <    '5': Result := 5;
1337 <    '6': Result := 6;
1338 <    '7': Result := 7;
1339 <    '8': Result := 8;
1340 <    '9': Result := 9;
1341 <    'a','A': Result := 10;
1342 <    'b','B': Result := 11;
1343 <    'c','C': Result := 12;
1344 <    'd','D': Result := 13;
1345 <    'e','E': Result := 14;
1346 <    'f','F': Result := 15;
1347 <    end;
1348 <  end;
1349 <
1350 <  procedure RemoveWhiteSpace(var hexData: string);
1351 <  var i: integer;
1825 >  if Terminated then
1826 >    Result := #0
1827 >  else
1828 >  if FLineIndex > Length(FLine) then
1829    begin
1830 <    {Remove White Space}
1831 <    i := 1;
1832 <    while i <= length(hexData) do
1833 <    begin
1834 <      case hexData[i] of
1358 <      ' ',#9,#10,#13:
1359 <        begin
1360 <          if i < Length(hexData) then
1361 <            Move(hexData[i+1],hexData[i],Length(hexData)-i);
1362 <          SetLength(hexData,Length(hexData)-1);
1363 <        end;
1364 <      else
1365 <        Inc(i);
1366 <      end;
1367 <    end;
1368 <  end;
1369 <
1370 <  procedure WriteToBlob(hexData: string);
1371 <  var i,j : integer;
1372 <      blength: integer;
1373 <      P: PChar;
1830 >    Result := LF;
1831 >    FLineIndex := 0;
1832 >  end
1833 >  else
1834 >  if FLineIndex = 0 then
1835    begin
1836 <    RemoveWhiteSpace(hexData);
1837 <    if odd(length(hexData)) then
1377 <      FSymbolStream.ShowError(sBinaryBlockMustbeEven,[nil]);
1378 <    blength := Length(hexData) div 2;
1379 <    IBAlloc(FBlobBuffer,0,blength);
1380 <    j := 1;
1381 <    P := FBlobBuffer;
1382 <    for i := 1 to blength do
1383 <    begin
1384 <      P^ := char((nibble(hexData[j]) shl 4) or nibble(hexdata[j+1]));
1385 <      Inc(j,2);
1386 <      Inc(P);
1387 <    end;
1388 <    FBlobData[FCurrentBlob].BlobIntf.Write(FBlobBuffer^,blength);
1389 <  end;
1390 <
1391 < begin
1392 <  if tagValue = '' then Exit;
1393 <  case FXMLTagStack[FXMLTagIndex] of
1394 <  xtBlob:
1395 <    WriteToBlob(tagValue);
1396 <
1397 <  xtElt:
1398 <    with FArrayData[FCurrentArray] do
1399 <      ArrayIntf.SetAsString(index,tagValue);
1400 <
1401 <  end;
1402 < end;
1403 <
1404 < procedure TIBXMLProcessor.StartXMLTag(xmltag: TXMLTag);
1405 < begin
1406 <  if FXMLTagIndex > 19 then
1407 <    FSymbolStream.ShowError(sXMLStackOverFlow,[nil]);
1408 <  Inc(FXMLTagIndex);
1409 <  FXMLTagStack[FXMLTagIndex] := xmltag;
1410 <  case xmltag of
1411 <  xtBlob:
1412 <    begin
1413 <      Inc(FCurrentBlob);
1414 <      SetLength(FBlobData,FCurrentBlob+1);
1415 <      FBlobData[FCurrentBlob].BlobIntf := nil;
1416 <      FBlobData[FCurrentBlob].SubType := 0;
1417 <    end;
1418 <
1419 <  xtArray:
1420 <    begin
1421 <      Inc(FCurrentArray);
1422 <      SetLength(FArrayData,FCurrentArray+1);
1423 <      with FArrayData[FCurrentArray] do
1424 <      begin
1425 <        ArrayIntf := nil;
1426 <        SQLType := 0;
1427 <        dim := 0;
1428 <        Size := 0;
1429 <        Scale := 0;
1430 <        CharSet := 'NONE';
1431 <        SetLength(Index,0);
1432 <        CurrentRow := -1;
1433 <      end;
1434 <    end;
1435 <
1436 <  xtElt:
1437 <    with FArrayData[FCurrentArray] do
1438 <      Inc(CurrentRow);
1439 <
1440 <  end;
1441 < end;
1442 <
1443 < procedure TIBXMLProcessor.ProcessAttributeValue(attrValue: string);
1444 < begin
1445 <  case FXMLTagStack[FXMLTagIndex] of
1446 <  xtBlob:
1447 <    if FAttributeName = 'subtype' then
1448 <      FBlobData[FCurrentBlob].SubType := StrToInt(attrValue)
1836 >    if not GetNextLine(FLine) then
1837 >      Result := #0
1838      else
1839 <      FSymbolStream.ShowError(sXMLAttributeError,[FAttributeName,attrValue]);
1840 <
1452 <  xtArray:
1453 <    if FAttributeName = 'sqltype' then
1454 <      FArrayData[FCurrentArray].SQLType := StrToInt(attrValue)
1455 <    else
1456 <    if FAttributeName = 'relation_name' then
1457 <      FArrayData[FCurrentArray].relationName := attrValue
1839 >    if Length(FLine) = 0 then
1840 >      Result := LF
1841      else
1459    if FAttributeName = 'column_name' then
1460      FArrayData[FCurrentArray].columnName := attrValue
1461    else
1462    if FAttributeName = 'dim' then
1463      FArrayData[FCurrentArray].Dim := StrToInt(attrValue)
1464    else
1465    if FAttributeName = 'length' then
1466      FArrayData[FCurrentArray].Size := StrToInt(attrValue)
1467    else
1468    if FAttributeName = 'scale' then
1469      FArrayData[FCurrentArray].Scale := StrToInt(attrValue)
1470    else
1471    if FAttributeName = 'charset' then
1472      FArrayData[FCurrentArray].CharSet := attrValue
1473    else
1474    if FAttributeName = 'bounds' then
1475      ProcessBoundsList(attrValue)
1476    else
1477      FSymbolStream.ShowError(sXMLAttributeError,[FAttributeName,attrValue]);
1478
1479  xtElt:
1480    if FAttributeName = 'ix' then
1481      with FArrayData[FCurrentArray] do
1482        Index[CurrentRow] :=  StrToInt(attrValue)
1483     else
1484        FSymbolStream.ShowError(sXMLAttributeError,[FAttributeName,attrValue]);
1485  end;
1486 end;
1487
1488 procedure TIBXMLProcessor.ProcessBoundsList(boundsList: string);
1489 var list: TStringList;
1490    i,j: integer;
1491 begin
1492  list := TStringList.Create;
1493  try
1494    list.Delimiter := ',';
1495    list.DelimitedText := boundsList;
1496    with FArrayData[FCurrentArray] do
1842      begin
1843 <      if dim <> list.Count then
1844 <        FSymbolStream.ShowError(sInvalidBoundsList,[boundsList]);
1845 <      SetLength(bounds,dim);
1846 <      for i := 0 to list.Count - 1 do
1847 <      begin
1848 <        j := Pos(':',list[i]);
1849 <        if j = 0 then
1850 <          raise Exception.CreateFmt(sInvalidBoundsList,[boundsList]);
1506 <        bounds[i].LowerBound := StrToInt(system.copy(list[i],1,j-1));
1507 <        bounds[i].UpperBound := StrToInt(system.copy(list[i],j+1,length(list[i])-j));
1508 <      end;
1509 <    end;
1510 <  finally
1511 <    list.Free;
1843 >      Result := FLine[1];
1844 >      FLineIndex := 2;
1845 >    end
1846 >  end
1847 >  else
1848 >  begin
1849 >    Result := FLine[FLineIndex];
1850 >    Inc(FLineIndex);
1851    end;
1852   end;
1853  
1854 < constructor TIBXMLProcessor.Create;
1854 > constructor TInteractiveSQLStatementReader.Create(aPrompt: string; aContinue: string);
1855   begin
1856    inherited Create;
1857 <  NextStatement;
1858 < end;
1859 <
1860 < destructor TIBXMLProcessor.Destroy;
1522 < begin
1523 <  FreeMem(FBlobBuffer);
1524 <  inherited Destroy;
1857 >  FPrompt := aPrompt;
1858 >  FLineIndex := 0;
1859 >  FNextStatement := true;
1860 >  FContinuePrompt := aContinue;
1861   end;
1862  
1863 < function TIBXMLProcessor.AnalyseXML(SymbolStream: TSymbolStream): string;
1864 < var Symbol: TSQLSymbol;
1529 <    Done: boolean;
1530 <    XMLString: string;
1863 > function TInteractiveSQLStatementReader.GetNextStatement(var stmt: string
1864 >  ): boolean;
1865   begin
1866 <  Result := '';
1867 <  XMLString := '';
1534 <  Done := false;
1535 <  FState := stInTag;
1536 <  FSymbolStream := SymbolStream;
1537 <  with SymbolStream do
1538 <  begin
1539 <    StartXMLTag(XMLTag);
1540 <    while not Done do
1541 <    with SymbolStream do
1542 <    begin
1543 <      Symbol := GetSymbol;
1544 <
1545 <      case Symbol of
1546 <      sqEOL:
1547 <      case FState of
1548 <      stQuotedAttributeValue,
1549 <      stTagged:
1550 <         XMLString += LineEnding;
1551 <      end;
1552 <
1553 <      ' ',sqTab:
1554 <        case FState of
1555 <        stQuotedAttributeValue,
1556 <        stTagged:
1557 <           XMLString += ' ';
1558 <        end;
1559 <
1560 <      ';':
1561 <        case FState of
1562 <        stQuotedAttributeValue,
1563 <        stTagged:
1564 <           XMLString += ';';
1565 <        else
1566 <          ShowError(sXMLError,[Symbol]);
1567 <        end;
1568 <
1569 <      '''':
1570 <        case FState of
1571 <        stQuotedAttributeValue,
1572 <        stTagged:
1573 <           XMLString += '''';
1574 <        else
1575 <          ShowError(sXMLError,[Symbol]);
1576 <        end;
1577 <
1578 <      '*':
1579 <        case FState of
1580 <        stQuotedAttributeValue,
1581 <        stTagged:
1582 <           XMLString += '*';
1583 <        else
1584 <          ShowError(sXMLError,[Symbol]);
1585 <        end;
1586 <
1587 <      '/':
1588 <        case FState of
1589 <        stQuotedAttributeValue,
1590 <        stTagged:
1591 <           XMLString += '/';
1592 <        else
1593 <          ShowError(sXMLError,[Symbol]);
1594 <        end;
1595 <
1596 <      '>':
1597 <        case FState of
1598 <        stEndTag:
1599 <            case XMLTag of
1600 <            xtBlob:
1601 <              begin
1602 <                Result := ':' + Format(ibx_blob+'%d',[FCurrentBlob]);
1603 <                Done := true;
1604 <              end;
1605 <            xtArray:
1606 <              begin
1607 <                Result := ':' + Format(ibx_array+'%d',[FCurrentArray]);
1608 <                Done := true;
1609 <              end;
1610 <            else
1611 <              FState := stTagged;
1612 <          end;
1613 <
1614 <        stInTag:
1615 <          begin
1616 <            XMLString := '';
1617 <            FState := stTagged;
1618 <            EnterTag;
1619 <          end;
1620 <
1621 <        stQuotedAttributeValue,
1622 <        stTagged:
1623 <          XMLString += '>';
1624 <
1625 <        else
1626 <          ShowError(sXMLError,[Symbol]);
1627 <        end;
1628 <
1629 <      sqTag:
1630 <        if FState = stTagged then
1631 <        begin
1632 <          FState := stInTag;
1633 <          StartXMLTag(XMLTag)
1634 <        end
1635 <        else
1636 <          ShowError(sXMLError,[Symbol]);
1637 <
1638 <      sqEndTag:
1639 <        if FState = stTagged then
1640 <        begin
1641 <          ProcessTagValue(XMLString);
1642 <          EndXMLTag(XMLTag);
1643 <          FState := stEndTag;
1644 <        end
1645 <        else
1646 <          ShowError(sXMLError,[Symbol]);
1647 <
1648 <      '=':
1649 <        case FState of
1650 <        stAttribute:
1651 <          FState := stAttributeValue;
1652 <
1653 <        stQuotedAttributeValue,
1654 <        stTagged:
1655 <          XMLString += '=';
1656 <
1657 <        else
1658 <          ShowError(sXMLError,[Symbol]);
1659 <        end;
1660 <
1661 <      '"':
1662 <        case FState of
1663 <        stAttributeValue:
1664 <          begin
1665 <            XMLString := '';
1666 <            FState := stQuotedAttributeValue;
1667 <          end;
1668 <
1669 <        stQuotedAttributeValue:
1670 <          begin
1671 <            ProcessAttributeValue(XMLString);
1672 <            FState := stInTag;
1673 <          end;
1674 <
1675 <        stTagged:
1676 <          XMLString += '"';
1677 <
1678 <        else
1679 <          ShowError(sXMLError,[Symbol]);
1680 <        end;
1681 <
1682 <      sqString:
1683 <        case FState of
1684 <        stInTag: {attribute name}
1685 <          begin
1686 <            FAttributeName := SymbolValue;
1687 <            FState := stAttribute;
1688 <          end;
1689 <
1690 <        stAttributeValue:
1691 <          begin
1692 <            ProcessAttributeValue(FString);
1693 <            FState := stInTag;
1694 <          end;
1695 <
1696 <        stQuotedAttributeValue,
1697 <        stTagged:
1698 <           XMLString += SymbolValue;
1699 <
1700 <        else
1701 <          ShowError(sXMLError,[Symbol]);
1702 <        end;
1703 <      else
1704 <        ShowError(sXMLError,[Symbol]);
1705 <      end
1706 <    end;
1707 <  end;
1866 >  Result := inherited GetNextStatement(stmt);
1867 >  FNextStatement := Result;
1868   end;
1869  
1870 < procedure TIBXMLProcessor.NextStatement;
1711 < begin
1712 <  FXMLTagIndex := 0;
1713 <  SetLength(FBlobData,0);
1714 <  FCurrentBlob := -1;
1715 <  SetLength(FArrayData,0);
1716 <  FCurrentArray := -1;
1717 < end;
1870 > { TBatchSQLStatementReader }
1871  
1872 < class function TIBXMLProcessor.FormatBlob(Field: ISQLData): string;
1720 < var TextOut: TStrings;
1872 > function TBatchSQLStatementReader.GetChar: char;
1873   begin
1874 <  TextOut := TStringList.Create;
1875 <  try
1876 <    TextOut.Add(Format('<blob subtype="%d">',[Field.getSubtype]));
1877 <    StringToHex(Field.AsString,TextOut,BlobLineLength);
1726 <    TextOut.Add('</blob>');
1727 <    Result := TextOut.Text;
1728 <  finally
1729 <    TextOut.Free;
1730 <  end;
1731 < end;
1732 <
1733 < class function TIBXMLProcessor.FormatArray(Database: TIBDatabase; ar: IArray
1734 <  ): string;
1735 < var index: array of integer;
1736 <    TextOut: TStrings;
1737 <
1738 <    procedure AddElements(dim: integer; indent:string = ' ');
1739 <    var i: integer;
1740 <        recurse: boolean;
1874 >  if not EOF and assigned(FInStream) and not (FInStream.Position = FInStream.Size) then
1875 >  begin
1876 >    Result := char(FInStream.ReadByte);
1877 >    if Result = LF then
1878      begin
1879 <      SetLength(index,dim+1);
1880 <      recurse := dim < ar.GetDimensions - 1;
1881 <      with ar.GetBounds[dim] do
1882 <      for i := LowerBound to UpperBound do
1883 <      begin
1884 <        index[dim] := i;
1885 <        if recurse then
1886 <        begin
1750 <          TextOut.Add(Format('%s<elt id="%d">',[indent,i]));
1751 <          AddElements(dim+1,indent + ' ');
1752 <          TextOut.Add('</elt>');
1753 <        end
1754 <        else
1755 <        if ((ar.GetSQLType = SQL_TEXT) or (ar.GetSQLType = SQL_VARYING)) and
1756 <           (ar.GetCharSetID = 1) then
1757 <           TextOut.Add(Format('%s<elt ix="%d">%s</elt>',[indent,i,StringToHex(ar.GetAsString(index))]))
1758 <        else
1759 <          TextOut.Add(Format('%s<elt ix="%d">%s</elt>',[indent,i,ar.GetAsString(index)]));
1760 <      end;
1761 <    end;
1762 <
1763 < var
1764 <    s: string;
1765 <    bounds: TArrayBounds;
1766 <    i: integer;
1767 <    boundsList: string;
1768 < begin
1769 <  TextOut := TStringList.Create;
1770 <  try
1771 <    s := Format('<array dim = "%d" sqltype = "%d" length = "%d" relation_name = "%s" column_name = "%s"',
1772 <                                [ar.GetDimensions,ar.GetSQLType,ar.GetSize,
1773 <                                 ar.GetTableName,ar.GetColumnName]);
1774 <    case ar.GetSQLType of
1775 <    SQL_DOUBLE, SQL_FLOAT, SQL_LONG, SQL_SHORT, SQL_D_FLOAT, SQL_INT64:
1776 <       s += Format(' scale = "%d"',[ ar.GetScale]);
1777 <    SQL_TEXT,
1778 <    SQL_VARYING:
1779 <      s += Format(' charset = "%s"',[Database.Attachment.GetCharsetName(ar.GetCharSetID)]);
1780 <    end;
1781 <    bounds := ar.GetBounds;
1782 <    boundsList := '';
1783 <    for i := 0 to length(bounds) - 1 do
1879 >      EchoNextLine(FCurLine);
1880 >      FCurLine := '';
1881 >      if assigned(OnProgressEvent) then
1882 >        OnProgressEvent(self,false,FIndex+1);
1883 >      Inc(FLineIndex);
1884 >      FIndex := 1;
1885 >    end
1886 >    else
1887      begin
1888 <      if i <> 0 then boundsList += ',';
1889 <      boundsList += Format('%d:%d',[bounds[i].LowerBound,bounds[i].UpperBound]);
1888 >      FCurLine += Result;
1889 >      Inc(FIndex);
1890      end;
1891 <    s += Format(' bounds="%s"',[boundsList]);
1789 <    s += '>';
1790 <    TextOut.Add(s);
1791 <
1792 <    SetLength(index,0);
1793 <    AddElements(0);
1794 <    TextOut.Add('</array>');
1795 <    Result := TextOut.Text;
1796 <  finally
1797 <    TextOut.Free;
1798 <  end;
1799 < end;
1800 <
1801 < { TInteractiveSymbolStream }
1802 <
1803 < function TInteractiveSymbolStream.GetErrorPrefix: string;
1804 < begin
1805 <  Result := '';
1806 < end;
1807 <
1808 < function TInteractiveSymbolStream.GetNextLine(var Line: string): boolean;
1809 < begin
1810 <  if FNextStatement then
1811 <    write(FPrompt)
1812 <  else
1813 <    write(FContinuePrompt);
1814 <  Result := not EOF;
1815 <  if Result then
1816 <    readln(Line);
1817 < end;
1818 <
1819 < constructor TInteractiveSymbolStream.Create(aPrompt: string; aContinue: string);
1820 < begin
1821 <  inherited Create;
1822 <  FPrompt := aPrompt;
1823 <  FContinuePrompt := aContinue;
1824 < end;
1825 <
1826 < function TInteractiveSymbolStream.GetSymbol: TSQLSymbol;
1827 < begin
1828 <  if Terminated then
1829 <    Result := sqEOF
1891 >  end
1892    else
1893 <    Result := inherited GetSymbol;
1893 >    Result := #0;
1894   end;
1895  
1896 < { TBatchSymbolStream }
1835 <
1836 < function TBatchSymbolStream.GetErrorPrefix: string;
1896 > function TBatchSQLStatementReader.GetErrorPrefix: string;
1897   begin
1898    Result := Format(sOnLineError,[FLineIndex,FIndex]);
1899   end;
1900  
1901 < function TBatchSymbolStream.GetNextLine(var Line: string): boolean;
1842 < begin
1843 <  Result := FLineIndex < FLines.Count;
1844 <  if Result then
1845 <  begin
1846 <    Line := FLines[FLineIndex];
1847 < //    writeln('Next Line = ',Line);
1848 <    Inc(FLineIndex);
1849 <    if assigned(OnProgressEvent) then
1850 <      OnProgressEvent(self,false,1);
1851 <  end;
1852 < end;
1853 <
1854 < constructor TBatchSymbolStream.Create;
1901 > procedure TBatchSQLStatementReader.Reset;
1902   begin
1903 <  inherited Create;
1904 <  FLines := TStringList.Create;
1905 < end;
1906 <
1907 < destructor TBatchSymbolStream.Destroy;
1908 < begin
1909 <  if assigned(FLines) then FLines.Free;
1910 <  inherited Destroy;
1911 < end;
1912 <
1913 < procedure TBatchSymbolStream.SetStreamSource(Lines: TStrings);
1914 < begin
1915 <  FLineIndex := 0;
1916 <  FLines.Assign(Lines);
1903 >  inherited Reset;
1904 >  if FOwnsInStream and assigned(FInStream) then
1905 >    FInStream.Free;
1906 >  FInStream := nil;
1907 >  FOwnsInStream := false;
1908 >  FLineIndex := 1;
1909 >  FIndex := 1;
1910 > end;
1911 >
1912 > procedure TBatchSQLStatementReader.SetStreamSource(Lines: TStrings);
1913 > begin
1914 >  Reset;
1915 >  FInStream := TMemoryStream.Create;
1916 >  FOwnsInStream := true;
1917 >  Lines.SaveToStream(FInStream);
1918 >  FInStream.Position := 0;
1919    if assigned(OnProgressEvent) then
1920 <    OnProgressEvent(self,true,FLines.Count);
1920 >    OnProgressEvent(self,true,FInStream.Size);
1921   end;
1922  
1923 < procedure TBatchSymbolStream.SetStreamSource(S: TStream);
1923 > procedure TBatchSQLStatementReader.SetStreamSource(S: TStream);
1924   begin
1925 <  FLineIndex := 0;
1926 <  FLines.LoadFromStream(S);
1925 >  Reset;
1926 >  FInStream := S;
1927    if assigned(OnProgressEvent) then
1928 <    OnProgressEvent(self,true,FLines.Count);
1928 >    OnProgressEvent(self,true,S.Size - S.Position);
1929   end;
1930  
1931 < procedure TBatchSymbolStream.SetStreamSource(FileName: string);
1931 > procedure TBatchSQLStatementReader.SetStreamSource(FileName: string);
1932   begin
1933 <  FLineIndex := 0;
1934 <  FLines.LoadFromFile(FileName);
1933 >  Reset;
1934 >  FInStream := TFileStream.Create(FileName,fmShareCompat);
1935 >  FOwnsInStream := true;
1936    if assigned(OnProgressEvent) then
1937 <    OnProgressEvent(self,true,FLines.Count);
1937 >    OnProgressEvent(self,true,FInStream.Size);
1938   end;
1939  
1940 < { TSymbolStream }
1891 <
1892 < function TSymbolStream.GetNextSymbol(C: char): TSQLSymbol;
1893 < begin
1894 <  Result := sqNone;
1895 <  if C = FTerminator then
1896 <    Result := sqTerminator
1897 <  else
1898 <  case C of
1899 <  #0..#8,#10..#31,' ':
1900 <    Result := ' ';
1901 <
1902 <  #9,';','"','''','/','-',
1903 <  '*','=','>','<',',':
1904 <    Result := C;
1905 <  else
1906 <    begin
1907 <      Result := sqString;
1908 <      FLastChar := C
1909 <    end
1910 <  end;
1911 < end;
1912 <
1913 < function TSymbolStream.FindTag(tag: string; var xmlTag: TXMLTag): boolean;
1914 < var i: integer;
1915 < begin
1916 <  Result := false;
1917 <  for i := 0 to Length(XMLTagDefs) - 1 do
1918 <    if XMLTagDefs[i].TagValue = tag then
1919 <    begin
1920 <      xmlTag := XMLTagDefs[i].XMLTag;
1921 <      Result := true;
1922 <      break;
1923 <    end;
1924 < end;
1925 <
1926 < constructor TSymbolStream.Create;
1940 > procedure TBatchSQLStatementReader.SetStringStreamSource(S: string);
1941   begin
1942 <  inherited;
1943 <  FTerminator := DefaultTerminator;
1944 <  NextStatement;
1945 < end;
1946 <
1933 < procedure TSymbolStream.ShowError(msg: string; params: array of const);
1934 < begin
1935 <  raise EIBClientError.CreateFmt(GetErrorPrefix + msg,params);
1936 < end;
1937 <
1938 < function TSymbolStream.GetSymbol: TSQLSymbol;
1939 < var
1940 <    DelimitedText: string;
1941 <    CurState: (gsNone,gsInComment,gsInSingleQuotes,gsInDoubleQuotes);
1942 < begin
1943 <  Result := sqNone;
1944 <  CurState := gsNone;
1945 <  DelimitedText := '';
1946 <  if FNextSymbol <> sqNone then
1947 <  begin
1948 <    Result := FNextSymbol;
1949 <    if Result = sqString then
1950 <      FString := FLastChar
1951 <    else
1952 <      FString := '';
1953 <    FNextSymbol := sqNone
1954 <  end;
1955 <
1956 <  while FNextSymbol = sqNone do {find the next symbol}
1957 <  begin
1958 <    if FIndex > Length(FLine) then
1959 <    begin
1960 <      FNextSymbol := sqEOL;
1961 <      FIndex := 0;
1962 <    end
1963 <    else
1964 <    begin
1965 <      if FIndex = 0 then
1966 <      begin
1967 <        if not GetNextLine(FLine) then
1968 <        begin
1969 <          Result := sqEOF;
1970 <          FNextSymbol := sqNone;
1971 <          Exit;
1972 <        end;
1973 <        FIndex := 1;
1974 <        FNextStatement := false;
1975 <        if assigned(OnNextLine) then
1976 <          OnNextLine(self,FLine);
1977 <        if CurState <> gsNone then
1978 <          DelimitedText += LineEnding;
1979 <        if Length(FLine) = 0 then
1980 <          continue;
1981 <      end;
1982 <      if CurState <> gsNone then
1983 <        DelimitedText += FLine[FIndex];
1984 <      FNextSymbol := GetNextSymbol(FLine[FIndex]);
1985 <      Inc(FIndex);
1986 <    end;
1987 <
1988 <    case CurState of
1989 <    gsNone:
1990 <      begin
1991 <        {combine if possible}
1992 <        case Result of
1993 <        sqNone:
1994 <          begin
1995 <            Result := FNextSymbol;
1996 <            if FNextSymbol = sqString then
1997 <              FString := FLastChar;
1998 <            FNextSymbol := sqNone
1999 <          end;
2000 <
2001 <        '/':
2002 <          if FXMLMode > 0 then
2003 <            break
2004 <          else
2005 <          if FNextSymbol = '*' then
2006 <          begin
2007 <            CurState := gsInComment;
2008 <            DelimitedText := '/*';
2009 <            Result := sqNone;
2010 <            FNextSymbol := sqNone
2011 <          end
2012 <          else
2013 <          if FNextSymbol = '/' then
2014 <          begin
2015 <            FString := '/*' + system.copy(FLine,FIndex,length(FLine)- FIndex + 1) + ' */';
2016 <            Result := sqCommentLine;
2017 <            FIndex := 0;
2018 <            FNextSymbol := sqNone
2019 <          end;
2020 <
2021 <        '-':
2022 <          if FXMLMode > 0 then
2023 <            break
2024 <          else
2025 <          if FNextSymbol = '-' then
2026 <          begin
2027 <            FString := '--' + system.copy(FLine,FIndex,length(FLine)- FIndex + 1) ;
2028 <            Result := sqCommentLine;
2029 <            FIndex := 0;
2030 <            FNextSymbol := sqNone
2031 <          end;
2032 <
2033 <        '<':
2034 <          if (FXMLMode > 0) and (FNextSymbol = '/') then
2035 <          begin
2036 <            Result := sqEndTag;
2037 <            FString := '';
2038 <            FNextSymbol := sqNone
2039 <          end
2040 <          else
2041 <          if FNextSymbol = sqString then
2042 <          begin
2043 <            Result := sqTag;
2044 <            FString := FLastChar;
2045 <            FNextSymbol := sqNone
2046 <          end;
2047 <
2048 <        '''':
2049 <        if FXMLMode > 0 then
2050 <          break
2051 <        else
2052 <        if FNextSymbol = '''' then
2053 <        begin
2054 <          Result := sqQuotedString;
2055 <          FString := '''''';
2056 <          FNextSymbol := sqNone
2057 <        end
2058 <        else
2059 <        begin
2060 <          CurState := gsInSingleQuotes;
2061 <          DelimitedText := '''';
2062 <          if FNextSymbol = sqEOL then
2063 <            DelimitedText += LineEnding
2064 <          else
2065 <            DelimitedText += FLine[FIndex-1];
2066 <          Result := sqNone;
2067 <          FNextSymbol := sqNone
2068 <        end;
2069 <
2070 <        '"':
2071 <        if FXMLMode > 0 then
2072 <          break
2073 <        else
2074 <        begin
2075 <          CurState := gsInDoubleQuotes;
2076 <          DelimitedText := '"';
2077 <          if FNextSymbol = sqEOL then
2078 <            DelimitedText += LineEnding
2079 <          else
2080 <            DelimitedText += FLine[FIndex-1];
2081 <          Result := sqNone;
2082 <          FNextSymbol := sqNone
2083 <        end;
2084 <
2085 <        sqTag,
2086 <        sqEndTag,
2087 <        sqString:
2088 <          if FNextSymbol = sqString then
2089 <          begin
2090 <            FString := FString + FLastChar;
2091 <            FNextSymbol := sqNone
2092 <          end;
2093 <        end
2094 <      end;
2095 <
2096 <    {Check for state exit condition}
2097 <    gsInSingleQuotes:
2098 <      if Result = '''' then
2099 <      begin
2100 <         CurState := gsNone;
2101 <         if FNextSymbol = sqEOL then
2102 <           FString := DelimitedText
2103 <         else
2104 <           FString := system.copy(DelimitedText,1,Length(DelimitedText)-1);
2105 <         Result := sqQuotedString;
2106 <       end;
2107 <
2108 <    gsInDoubleQuotes:
2109 <      if Result = '"' then
2110 <      begin
2111 <         CurState := gsNone;
2112 <         if FNextSymbol = sqEOL then
2113 <           FString := DelimitedText
2114 <         else
2115 <           FString := system.copy(DelimitedText,1,Length(DelimitedText)-1);
2116 <         Result := sqDoubleQuotedString;
2117 <       end;
2118 <
2119 <    gsInComment:
2120 <    if (Result = '*') and (FNextSymbol = '/') then
2121 <      begin
2122 <        CurState := gsNone;
2123 <        FString := DelimitedText;
2124 <        Result := sqComment;
2125 <        FNextSymbol := sqNone
2126 <      end;
2127 <
2128 <    end;
2129 <
2130 <    if (CurState <> gsNone) and (FNextSymbol <> sqNone) then
2131 <    begin
2132 <      Result := FNextSymbol;
2133 <      FNextSymbol := sqNone;
2134 <    end;
2135 <  end;
2136 <
2137 <  if (Result = sqTag) and (FNextSymbol <> sqNone) then
2138 <  begin
2139 <    if FindTag(FString,FXMLTag) then
2140 <      Inc(FXMLMode)
2141 <    else
2142 <      Result := sqString;
2143 <  end
2144 <  else
2145 <  if (Result = sqEndTag) and (FNextSymbol <> sqNone) then
2146 <  begin
2147 <    if FindTag(FString,FXMLTag) then
2148 <      Dec(FXMLMode)
2149 <    else
2150 <      Result := sqString;
2151 <  end;
2152 <
2153 <  if (FXMLMode = 0) and (Result = sqString) and (FString <> '') then
2154 <  begin
2155 <       if CompareText(FString,'begin') = 0 then
2156 <         Result := sqBegin
2157 <       else
2158 <       if CompareText(FString,'end') = 0 then
2159 <         Result := sqEnd
2160 <       else
2161 <       if CompareText(FString,'declare') = 0 then
2162 <         Result := sqDeclare
2163 <       else
2164 <       if CompareText(FString,'case') = 0 then
2165 <         Result := sqCase
2166 <  end;
2167 < //  writeln(Result,',',FString);
2168 < end;
2169 <
2170 < procedure TSymbolStream.NextStatement;
2171 < begin
2172 <  FXMLTag := xtNone;
2173 <  FNextStatement := true;
1942 >  Reset;
1943 >  FInStream := TStringStream.Create(S);
1944 >  FOwnsInStream := true;
1945 >  if assigned(OnProgressEvent) then
1946 >    OnProgressEvent(self,true,FInStream.Size);
1947   end;
1948  
1949   end.

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