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Comparing ibx/trunk/runtime/nongui/ibxscript.pas (file contents):
Revision 227 by tony, Mon Apr 9 10:31:10 2018 UTC vs.
Revision 348 by tony, Wed Oct 6 09:38:14 2021 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 293 | Line 244 | type
244		FAutoDDL: boolean;
245		procedure DoCommit;
246		procedure DoReconnect;
296	–	procedure ExecSQL(stmt: string);
247		function GetOnProgressEvent: TOnProgressEvent;
248		function GetTransaction: TIBTransaction;
249		procedure SetDatabase(AValue: TIBDatabase);
#	Line 303 | Line 253 | type
253		procedure SetShowPerformanceStats(AValue: boolean);
254		procedure SetTransaction(AValue: TIBTransaction);
255		protected
306	–	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	+	sqltCase:
560	+	{case constructs can appear within select statement in nested blocks.
561	+	We need to match the case constructs END token in order to parse the
562	+	block correctly. This is a simple parser and the only objective is
563	+	to determine the correct end of block. We therefore do not check to
564	+	ensure that the next end properly matches the case. The CASE is thus
565	+	treated the same as BEGIN. The Firebird SQL Parser will flag any errors
566	+	due to mismatched CASE/BEGIN END}
567	+	begin
568	+	Inc(Nested);
569	+	stmt += TokenText;
570	+	end;
571	+
572	+	sqltComment:
573	+	stmt += '/*' + TokenText + '*/';
574	+
575	+	sqltCommentLine:
576	+	stmt += '/* ' + TokenText + ' */' + LineEnding;
577	+
578	+	sqltQuotedString:
579	+	stmt += '''' + SQLSafeString(TokenText) + '''';
580	+
581	+	sqltIdentifierInDoubleQuotes:
582	+	stmt += '"' + TokenText + '"';
583	+
584	+	sqltCR: {ignore};
585	+
586	+	sqltEOL:
587	+	stmt += LineEnding;
588	+
589	+	else
590	+	stmt += TokenText;
591	+	end;
592	+	end;
593	+
594	+	{ignore array dimensions for Terminator detection }
595	+
596	+	stInArrayDim:
597	+	begin
598	+	case token of
599	+
600	+	sqltComment:
601	+	stmt += '/*' + TokenText + '*/';
602	+
603	+	sqltCommentLine:
604	+	stmt += '/* ' + TokenText + ' */' + LineEnding;
605	+
606	+	sqltCloseSquareBracket:
607	+	begin
608	+	stmt += TokenText;
609	+	State := stInStmt;
610	+	end;
611	+
612	+	sqltCR: {ignore};
613	+
614	+	sqltEOL:
615	+	stmt += LineEnding;
616	+
617	+	else
618	+	stmt += TokenText;
619	+	end;
620	+	end;
621	+
622	+	{ignore Declare statement for terminator - semi-colon terminates declaration}
623	+
624	+	stInDeclare:
625	+	begin
626	+	case token of
627	+
628	+	sqltComment:
629	+	stmt += '/*' + TokenText + '*/';
630	+
631	+	sqltCommentLine:
632	+	stmt += '/* ' + TokenText + ' */' + LineEnding;
633	+
634	+	sqltSemiColon:
635	+	begin
636	+	State := stInStmt;
637	+	stmt += TokenText;
638	+	end;
639	+
640	+	sqltCR: {ignore};
641	+
642	+	sqltEOL:
643	+	stmt += LineEnding;
644	+
645	+	else
646	+	stmt += TokenText;
647	+	end;
648	+	end;
649	+	end;
650	+	end;
651	+	Result := stmt <> '';
652	+	end;
653	+
654	+	{ TSQLXMLReader }
655	+
656	+	function TSQLXMLReader.FindTag(tag: string; var xmlTag: TXMLTag): boolean;
657	+	var i: TXMLTag;
658	+	begin
659	+	Result := false;
660	+	for i := xtBlob to xtElt do
661	+	if XMLTagDefs[i].TagValue = tag then
662	+	begin
663	+	xmlTag := XMLTagDefs[i].XMLTag;
664	+	Result := true;
665	+	break;
666	+	end;
667	+	end;
668	+
669	+	function TSQLXMLReader.GetArrayData(index: integer): TArrayData;
670	+	begin
671	+	if (index < 0) or (index > ArrayDataCount) then
672	+	ShowError(sArrayIndexError,[index]);
673	+	Result := FArrayData[index];
674	+	end;
675	+
676	+	function TSQLXMLReader.GetArrayDataCount: integer;
677	+	begin
678	+	Result := Length(FArrayData);
679	+	end;
680	+
681	+	function TSQLXMLReader.GetBlobData(index: integer): TBlobData;
682	+	begin
683	+	if (index < 0) or (index > BlobDataCount) then
684	+	ShowError(sBlobIndexError,[index]);
685	+	Result := FBlobData[index];
686	+	end;
687	+
688	+	function TSQLXMLReader.GetBlobDataCount: integer;
689	+	begin
690	+	Result := Length(FBlobData);
691	+	end;
692	+
693	+	function TSQLXMLReader.GetTagName(xmltag: TXMLTag): string;
694	+	var i: TXMLTag;
695	+	begin
696	+	Result := 'unknown';
697	+	for i := xtBlob to xtElt do
698	+	if XMLTagDefs[i].XMLTag = xmltag then
699	+	begin
700	+	Result := XMLTagDefs[i].TagValue;
701	+	Exit;
702	+	end;
703	+	end;
704	+
705	+	procedure TSQLXMLReader.ProcessAttributeValue(attrValue: string);
706	+	begin
707	+	case FXMLTagStack[FXMLTagIndex] of
708	+	xtBlob:
709	+	if FAttributeName = 'subtype' then
710	+	FBlobData[FCurrentBlob].SubType := StrToInt(attrValue)
711	+	else
712	+	ShowError(sXMLAttributeError,[FAttributeName,attrValue]);
713	+
714	+	xtArray:
715	+	if FAttributeName = 'sqltype' then
716	+	FArrayData[FCurrentArray].SQLType := StrToInt(attrValue)
717	+	else
718	+	if FAttributeName = 'relation_name' then
719	+	FArrayData[FCurrentArray].relationName := attrValue
720	+	else
721	+	if FAttributeName = 'column_name' then
722	+	FArrayData[FCurrentArray].columnName := attrValue
723	+	else
724	+	if FAttributeName = 'dim' then
725	+	FArrayData[FCurrentArray].Dim := StrToInt(attrValue)
726	+	else
727	+	if FAttributeName = 'length' then
728	+	FArrayData[FCurrentArray].Size := StrToInt(attrValue)
729	+	else
730	+	if FAttributeName = 'scale' then
731	+	FArrayData[FCurrentArray].Scale := StrToInt(attrValue)
732	+	else
733	+	if FAttributeName = 'charset' then
734	+	FArrayData[FCurrentArray].CharSet := attrValue
735	+	else
736	+	if FAttributeName = 'bounds' then
737	+	ProcessBoundsList(attrValue)
738	+	else
739	+	ShowError(sXMLAttributeError,[FAttributeName,attrValue]);
740	+
741	+	xtElt:
742	+	if FAttributeName = 'ix' then
743	+	with FArrayData[FCurrentArray] do
744	+	Index[CurrentRow] :=  StrToInt(attrValue)
745	+	else
746	+	ShowError(sXMLAttributeError,[FAttributeName,attrValue]);
747	+	end;
748	+	end;
749	+
750	+	procedure TSQLXMLReader.ProcessBoundsList(boundsList: string);
751	+	var list: TStringList;
752	+	i,j: integer;
753	+	begin
754	+	list := TStringList.Create;
755	+	try
756	+	list.Delimiter := ',';
757	+	list.DelimitedText := boundsList;
758	+	with FArrayData[FCurrentArray] do
759	+	begin
760	+	if dim <> list.Count then
761	+	ShowError(sInvalidBoundsList,[boundsList]);
762	+	SetLength(bounds,dim);
763	+	for i := 0 to list.Count - 1 do
764	+	begin
765	+	j := Pos(':',list[i]);
766	+	if j = 0 then
767	+	raise Exception.CreateFmt(sInvalidBoundsList,[boundsList]);
768	+	bounds[i].LowerBound := StrToInt(system.copy(list[i],1,j-1));
769	+	bounds[i].UpperBound := StrToInt(system.copy(list[i],j+1,length(list[i])-j));
770	+	end;
771	+	end;
772	+	finally
773	+	list.Free;
774	+	end;
775	+	end;
776	+
777	+	procedure TSQLXMLReader.ProcessTagValue(tagValue: string);
778	+
779	+	function nibble(hex: char): byte;
780	+	begin
781	+	case hex of
782	+	'0': Result := 0;
783	+	'1': Result := 1;
784	+	'2': Result := 2;
785	+	'3': Result := 3;
786	+	'4': Result := 4;
787	+	'5': Result := 5;
788	+	'6': Result := 6;
789	+	'7': Result := 7;
790	+	'8': Result := 8;
791	+	'9': Result := 9;
792	+	'a','A': Result := 10;
793	+	'b','B': Result := 11;
794	+	'c','C': Result := 12;
795	+	'd','D': Result := 13;
796	+	'e','E': Result := 14;
797	+	'f','F': Result := 15;
798	+	end;
799	+	end;
800	+
801	+	procedure RemoveWhiteSpace(var hexData: string);
802	+	var i: integer;
803	+	begin
804	+	{Remove White Space}
805	+	i := 1;
806	+	while i <= length(hexData) do
807	+	begin
808	+	case hexData[i] of
809	+	' ',#9,#10,#13:
810	+	begin
811	+	if i < Length(hexData) then
812	+	Move(hexData[i+1],hexData[i],Length(hexData)-i);
813	+	SetLength(hexData,Length(hexData)-1);
814	+	end;
815	+	else
816	+	Inc(i);
817	+	end;
818	+	end;
819	+	end;
820	+
821	+	procedure WriteToBlob(hexData: string);
822	+	var i,j : integer;
823	+	blength: integer;
824	+	P: PChar;
825	+	begin
826	+	RemoveWhiteSpace(hexData);
827	+	if odd(length(hexData)) then
828	+	ShowError(sBinaryBlockMustbeEven,[nil]);
829	+	blength := Length(hexData) div 2;
830	+	IBAlloc(FBlobBuffer,0,blength);
831	+	j := 1;
832	+	P := FBlobBuffer;
833	+	for i := 1 to blength do
834	+	begin
835	+	P^ := char((nibble(hexData[j]) shl 4) or nibble(hexdata[j+1]));
836	+	Inc(j,2);
837	+	Inc(P);
838	+	end;
839	+	FBlobData[FCurrentBlob].BlobIntf.Write(FBlobBuffer^,blength);
840	+	end;
841	+
842	+	begin
843	+	if tagValue = '' then Exit;
844	+	case FXMLTagStack[FXMLTagIndex] of
845	+	xtBlob:
846	+	WriteToBlob(tagValue);
847	+
848	+	xtElt:
849	+	with FArrayData[FCurrentArray] do
850	+	ArrayIntf.SetAsString(index,tagValue);
851	+
852	+	end;
853	+	end;
854	+
855	+	procedure TSQLXMLReader.XMLTagInit(xmltag: TXMLTag);
856	+	begin
857	+	if FXMLTagIndex > MaxXMLTags then
858	+	ShowError(sXMLStackOverFlow,[nil]);
859	+	Inc(FXMLTagIndex);
860	+	FXMLTagStack[FXMLTagIndex] := xmltag;
861	+	FXMLString := '';
862	+
863	+	case xmltag of
864	+	xtBlob:
865	+	begin
866	+	Inc(FCurrentBlob);
867	+	SetLength(FBlobData,FCurrentBlob+1);
868	+	FBlobData[FCurrentBlob].BlobIntf := nil;
869	+	FBlobData[FCurrentBlob].SubType := 0;
870	+	end;
871	+
872	+	xtArray:
873	+	begin
874	+	Inc(FCurrentArray);
875	+	SetLength(FArrayData,FCurrentArray+1);
876	+	with FArrayData[FCurrentArray] do
877	+	begin
878	+	ArrayIntf := nil;
879	+	SQLType := 0;
880	+	dim := 0;
881	+	Size := 0;
882	+	Scale := 0;
883	+	CharSet := 'NONE';
884	+	SetLength(Index,0);
885	+	CurrentRow := -1;
886	+	end;
887	+	end;
888	+
889	+	xtElt:
890	+	with FArrayData[FCurrentArray] do
891	+	Inc(CurrentRow)
892	+	end;
893	+	end;
894	+
895	+	function TSQLXMLReader.XMLTagEnd(var xmltag: TXMLTag): boolean;
896	+	begin
897	+	if FXMLTagIndex = 0 then
898	+	ShowError(sXMLStackUnderflow,[nil]);
899	+
900	+	xmlTag := FXMLTagStack[FXMLTagIndex];
901	+	case FXMLTagStack[FXMLTagIndex] of
902	+	xtBlob:
903	+	FBlobData[FCurrentBlob].BlobIntf.Close;
904	+
905	+	xtArray:
906	+	FArrayData[FCurrentArray].ArrayIntf.SaveChanges;
907	+
908	+	xtElt:
909	+	Dec(FArrayData[FCurrentArray].CurrentRow);
910	+	end;
911	+	Dec(FXMLTagIndex);
912	+	Result := FXMLTagIndex = 0;
913	+	end;
914	+
915	+	procedure TSQLXMLReader.XMLTagEnter;
916	+	var aCharSetID: integer;
917	+	begin
918	+	if Database = nil then
919	+	ShowError(sNoDatabase);
920	+	if Transaction = nil then
921	+	ShowError(sNoTransaction);
922	+	case FXMLTagStack[FXMLTagIndex] of
923	+	xtBlob:
924	+	begin
925	+	Database.Connected := true;
926	+	Transaction.Active := true;
927	+	FBlobData[FCurrentBlob].BlobIntf := Database.Attachment.CreateBlob(
928	+	Transaction.TransactionIntf,FBlobData[FCurrentBlob].SubType);
929	+	end;
930	+
931	+	xtArray:
932	+	with FArrayData[FCurrentArray] do
933	+	begin
934	+	Database.Connected := true;
935	+	Transaction.Active := true;
936	+	Database.Attachment.CharSetName2CharSetID(CharSet,aCharSetID);
937	+	SetLength(Index,dim);
938	+	ArrayIntf := Database.Attachment.CreateArray(
939	+	Transaction.TransactionIntf,
940	+	Database.Attachment.CreateArrayMetaData(SQLType,
941	+	relationName,columnName,Scale,Size,
942	+	aCharSetID,dim,bounds)
943	+	);
944	+	end;
945	+	end;
946	+	end;
947	+
948	+	{This is where the XML tags are identified and the token stream modified in
949	+	consequence}
950	+
951	+	function TSQLXMLReader.TokenFound(var token: TSQLTokens): boolean;
952	+
953	+	procedure NotAnXMLTag;
954	+	begin
955	+	begin
956	+	if FXMLTagIndex = 0 then
957	+	{nothing to do with XML so go back to processing SQL}
958	+	begin
959	+	QueueToken(token);
960	+	ReleaseQueue(token);
961	+	FXMLState := stNoXML
962	+	end
963	+	else
964	+	begin
965	+	{Not an XML tag, so just push back to XML Data}
966	+	FXMLState := stXMLData;
967	+	FXMLString += GetQueuedText;
968	+	ResetQueue;
969	+	end;
970	+	end;
971	+	end;
972	+
973	+	var XMLTag: TXMLTag;
974	+	begin
975	+	Result := inherited TokenFound(token);
976	+	if not Result then Exit;
977	+
978	+	case FXMLState of
979	+	stNoXML:
980	+	if token = sqltLT then
981	+	begin
982	+	ResetQueue;
983	+	QueueToken(token); {save in case this is not XML}
984	+	FXMLState := stInTag;
985	+	end;
986	+
987	+	stInTag:
988	+	{Opening '<' found, now looking for tag name or end tag marker}
989	+	case token of
990	+	sqltIdentifier:
991	+	begin
992	+	if FindTag(TokenText,XMLTag) then
993	+	begin
994	+	XMLTagInit(XMLTag);
995	+	QueueToken(token);
996	+	FXMLState := stInTagBody;
997	+	end
998	+	else
999	+	NotAnXMLTag;
1000	+	end;
1001	+
1002	+	sqltForwardSlash:
1003	+	FXMLState := stInEndTag;
1004	+
1005	+	else
1006	+	NotAnXMLTag;
1007	+	end {case token};
1008	+
1009	+	stInTagBody:
1010	+	{Tag name found. Now looking for attribute or closing '>'}
1011	+	case token of
1012	+	sqltIdentifier:
1013	+	begin
1014	+	FAttributeName := TokenText;
1015	+	QueueToken(token);
1016	+	FXMLState := stAttribute;
1017	+	end;
1018	+
1019	+	sqltGT:
1020	+	begin
1021	+	ResetQueue;
1022	+	XMLTagEnter;
1023	+	FXMLState := stXMLData;
1024	+	end;
1025	+
1026	+	sqltSpace,
1027	+	sqltCR, sqltEOL:
1028	+	QueueToken(token);
1029	+
1030	+	else
1031	+	NotAnXMLTag;
1032	+	end {case token};
1033	+
1034	+	stAttribute:
1035	+	{Attribute name found. Must be followed by an '=', a '>' or another tag name}
1036	+	case token of
1037	+	sqltEquals:
1038	+	begin
1039	+	QueueToken(token);
1040	+	FXMLState := stAttributeValue;
1041	+	end;
1042	+
1043	+	sqltSpace,
1044	+	sqltCR, sqltEOL:
1045	+	QueueToken(token);
1046	+
1047	+	sqltIdentifier:
1048	+	begin
1049	+	ProcessAttributeValue('');
1050	+	FAttributeName := TokenText;
1051	+	QueueToken(token);
1052	+	FXMLState := stAttribute;
1053	+	end;
1054	+
1055	+	sqltGT:
1056	+	begin
1057	+	ProcessAttributeValue('');
1058	+	ResetQueue;
1059	+	XMLTagEnter;
1060	+	FXMLState := stXMLData;
1061	+	end;
1062	+
1063	+	else
1064	+	NotAnXMLTag;
1065	+	end; {case token}
1066	+
1067	+	stAttributeValue:
1068	+	{Looking for attribute value as a single identifier or a double quoted value}
1069	+	case token of
1070	+	sqltIdentifier,sqltIdentifierInDoubleQuotes:
1071	+	begin
1072	+	ProcessAttributeValue(TokenText);
1073	+	QueueToken(token);
1074	+	FXMLState := stInTagBody;
1075	+	end;
1076	+
1077	+	sqltSpace,
1078	+	sqltCR, sqltEOL:
1079	+	QueueToken(token);
1080	+
1081	+	else
1082	+	NotAnXMLTag;
1083	+	end; {case token}
1084	+
1085	+	stXMLData:
1086	+	if token = sqltLT then
1087	+	begin
1088	+	QueueToken(token); {save in case this is not XML}
1089	+	FXMLState := stInTag;
1090	+	end
1091	+	else
1092	+	FXMLString += TokenText;
1093	+
1094	+	stInEndTag:
1095	+	{Opening '</' found, now looking for tag name}
1096	+	case token of
1097	+	sqltIdentifier:
1098	+	begin
1099	+	if FindTag(TokenText,XMLTag) and (XMLTag = FXMLTagStack[FXMLTagIndex]) then
1100	+	begin
1101	+	QueueToken(token);
1102	+	FXMLState := stInEndTagBody;
1103	+	end
1104	+	else
1105	+	ShowError(sInvalidEndTag,[TokenText]);
1106	+	end;
1107	+	else
1108	+	NotAnXMLTag;
1109	+	end {case token};
1110	+
1111	+	stInEndTagBody:
1112	+	{End tag name found, now looping for closing '>'}
1113	+	case Token of
1114	+	sqltGT:
1115	+	begin
1116	+	ProcessTagValue(FXMLString);
1117	+	if XMLTagEnd(XMLTag) then
1118	+	begin
1119	+	ResetQueue;
1120	+	QueueToken(sqltColon,':');
1121	+	case XMLTag of
1122	+	xtBlob:
1123	+	QueueToken(sqltIdentifier,Format(ibx_blob+'%d',[FCurrentBlob]));
1124	+
1125	+	xtArray:
1126	+	QueueToken(sqltIdentifier, Format(ibx_array+'%d',[FCurrentArray]));
1127	+	end;
1128	+	ReleaseQueue(token);
1129	+	FXMLState := stNoXML;
1130	+	end
1131	+	else
1132	+	FXMLState := stXMLData;
1133	+	end;
1134	+
1135	+	sqltSpace,
1136	+	sqltCR, sqltEOL:
1137	+	QueueToken(token);
1138	+
1139	+	else
1140	+	ShowError(sBadEndTagClosing);
1141	+	end; {case token}
1142	+
1143	+	end {Case FState};
1144	+
1145	+	{Only allow token to be returned if not processing an XML tag}
1146	+
1147	+	Result := FXMLState = stNoXML;
1148	+	end;
1149	+
1150	+	procedure TSQLXMLReader.ShowError(msg: string; params: array of const);
1151	+	begin
1152	+	raise EIBClientError.CreateFmt(GetErrorPrefix + msg,params);
1153	+	end;
1154	+
1155	+	procedure TSQLXMLReader.ShowError(msg: string);
1156	+	begin
1157	+	ShowError(msg,[nil]);
1158	+	end;
1159	+
1160	+	constructor TSQLXMLReader.Create;
1161	+	begin
1162	+	inherited;
1163	+	FXMLState := stNoXML;
1164	+	end;
1165	+
1166	+	procedure TSQLXMLReader.FreeDataObjects;
1167	+	begin
1168	+	FXMLTagIndex := 0;
1169	+	SetLength(FBlobData,0);
1170	+	FCurrentBlob := -1;
1171	+	SetLength(FArrayData,0);
1172	+	FCurrentArray := -1;
1173	+	end;
1174	+
1175	+	class function TSQLXMLReader.FormatBlob(Field: ISQLData): string;
1176	+	var TextOut: TStrings;
1177	+	begin
1178	+	TextOut := TStringList.Create;
1179	+	try
1180	+	TextOut.Add(Format('<blob subtype="%d">',[Field.getSubtype]));
1181	+	StringToHex(Field.AsString,TextOut,BlobLineLength);
1182	+	TextOut.Add('</blob>');
1183	+	Result := TextOut.Text;
1184	+	finally
1185	+	TextOut.Free;
1186	+	end;
1187	+	end;
1188	+
1189	+	class function TSQLXMLReader.FormatArray(Database: TIBDatabase; ar: IArray
1190	+	): string;
1191	+	var index: array of integer;
1192	+	TextOut: TStrings;
1193	+
1194	+	procedure AddElements(dim: integer; indent:string = ' ');
1195	+	var i: integer;
1196	+	recurse: boolean;
1197	+	begin
1198	+	SetLength(index,dim+1);
1199	+	recurse := dim < ar.GetDimensions - 1;
1200	+	with ar.GetBounds[dim] do
1201	+	for i := LowerBound to UpperBound do
1202	+	begin
1203	+	index[dim] := i;
1204	+	if recurse then
1205	+	begin
1206	+	TextOut.Add(Format('%s<elt id="%d">',[indent,i]));
1207	+	AddElements(dim+1,indent + ' ');
1208	+	TextOut.Add('</elt>');
1209	+	end
1210	+	else
1211	+	if ((ar.GetSQLType = SQL_TEXT) or (ar.GetSQLType = SQL_VARYING)) and
1212	+	(ar.GetCharSetID = 1) then
1213	+	TextOut.Add(Format('%s<elt ix="%d">%s</elt>',[indent,i,StringToHex(ar.GetAsString(index))]))
1214	+	else
1215	+	TextOut.Add(Format('%s<elt ix="%d">%s</elt>',[indent,i,ar.GetAsString(index)]));
1216	+	end;
1217	+	end;
1218	+
1219	+	var
1220	+	s: string;
1221	+	bounds: TArrayBounds;
1222	+	i: integer;
1223	+	boundsList: string;
1224	+	begin
1225	+	TextOut := TStringList.Create;
1226	+	try
1227	+	if ar.GetCharSetWidth = 0 then
1228	+	s := Format('<array dim = "%d" sqltype = "%d" length = "%d" relation_name = "%s" column_name = "%s"',
1229	+	[ar.GetDimensions,ar.GetSQLType,ar.GetSize,
1230	+	ar.GetTableName,ar.GetColumnName])
1231	+	else
1232	+	s := Format('<array dim = "%d" sqltype = "%d" length = "%d" relation_name = "%s" column_name = "%s"',
1233	+	[ar.GetDimensions,ar.GetSQLType,ar.GetSize div ar.GetCharSetWidth,
1234	+	ar.GetTableName,ar.GetColumnName]);
1235	+	case ar.GetSQLType of
1236	+	SQL_DOUBLE, SQL_FLOAT, SQL_LONG, SQL_SHORT, SQL_D_FLOAT, SQL_INT64:
1237	+	s += Format(' scale = "%d"',[ ar.GetScale]);
1238	+	SQL_TEXT,
1239	+	SQL_VARYING:
1240	+	s += Format(' charset = "%s"',[Database.Attachment.GetCharsetName(ar.GetCharSetID)]);
1241	+	end;
1242	+	bounds := ar.GetBounds;
1243	+	boundsList := '';
1244	+	for i := 0 to length(bounds) - 1 do
1245	+	begin
1246	+	if i <> 0 then boundsList += ',';
1247	+	boundsList += Format('%d:%d',[bounds[i].LowerBound,bounds[i].UpperBound]);
1248	+	end;
1249	+	s += Format(' bounds="%s"',[boundsList]);
1250	+	s += '>';
1251	+	TextOut.Add(s);
1252	+
1253	+	SetLength(index,0);
1254	+	AddElements(0);
1255	+	TextOut.Add('</array>');
1256	+	Result := TextOut.Text;
1257	+	finally
1258	+	TextOut.Free;
1259	+	end;       end;
1260	+
1261	+	procedure TSQLXMLReader.Reset;
1262	+	begin
1263	+	inherited Reset;
1264	+	FreeDataObjects;
1265	+	FXMLString := '';
1266	+	FreeMem(FBlobBuffer);
1267	+	end;
1268	+
1269
1270
1271		{ TIBXScript }
#	Line 498 | Line 1273 | end;
1273		constructor TIBXScript.Create(aOwner: TComponent);
1274		begin
1275		inherited Create(aOwner);
1276	<	FSymbolStream := TBatchSymbolStream.Create;
502	<	FSymbolStream.OnNextLine := @EchoNextLine;
1276	>	SetSQLStatementReader(TBatchSQLStatementReader.Create);
1277		end;
1278
1279		function TIBXScript.PerformUpdate(SQLFile: string; aAutoDDL: boolean): boolean;
#	Line 517 | Line 1291 | end;
1291
1292		function TIBXScript.RunScript(SQLFile: string): boolean;
1293		begin
1294	<	TBatchSymbolStream(FSymbolStream).SetStreamSource(SQLFile);
1294	>	TBatchSQLStatementReader(FSQLReader).SetStreamSource(SQLFile);
1295		Result := ProcessStream;
1296		end;
1297
1298		function TIBXScript.RunScript(SQLStream: TStream): boolean;
1299		begin
1300	<	TBatchSymbolStream(FSymbolStream).SetStreamSource(SQLStream);
1300	>	TBatchSQLStatementReader(FSQLReader).SetStreamSource(SQLStream);
1301		Result := ProcessStream;
1302		end;
1303
1304		function TIBXScript.RunScript(SQLLines: TStrings): boolean;
1305		begin
1306	<	TBatchSymbolStream(FSymbolStream).SetStreamSource(SQLLines);
1306	>	TBatchSQLStatementReader(FSQLReader).SetStreamSource(SQLLines);
1307		Result := ProcessStream;
1308		end;
1309
1310		function TIBXScript.ExecSQLScript(sql: string): boolean;
537	–	var s: TStringList;
1311		begin
1312	<	s := TStringList.Create;
1313	<	try
541	<	s.Text := sql;
542	<	TBatchSymbolStream(FSymbolStream).SetStreamSource(s);
543	<	Result := ProcessStream;
544	<	finally
545	<	s.Free;
546	<	end;
1312	>	TBatchSQLStatementReader(FSQLReader).SetStringStreamSource(sql);
1313	>	Result := ProcessStream;
1314		end;
1315
1316		{ TCustomIBXScript }
#	Line 561 | Line 1328 | end;
1328		procedure TCustomIBXScript.DoCommit;
1329		begin
1330		with GetTransaction do
564	–	begin
1331		if InTransaction then Commit;
566	–	Active := true;
567	–	end;
1332		end;
1333
1334		procedure TCustomIBXScript.DoReconnect;
571	–	var LoginPrompt: boolean;
1335		begin
1336		with GetTransaction do
1337		if InTransaction then Commit;
1338	<	LoginPrompt := Database.LoginPrompt;
576	<	Database.LoginPrompt := false;
577	<	Database.Connected := false;
578	<	Database.Connected := true;
579	<	Database.LoginPrompt := LoginPrompt;
580	<	GetTransaction.Active := true;
1338	>	Database.Reconnect;
1339		end;
1340
1341		procedure TCustomIBXScript.ExecSQL(stmt: string);
#	Line 588 | Line 1346 | begin
1346		FISQL.SQL.Text := stmt;
1347		FISQL.Transaction := GetTransaction;
1348		FISQL.Transaction.Active := true;
1349	<	FISQL.ParamCheck := not FIBSQLProcessor.HasBegin; {Probably PSQL}
1349	>	//   FISQL.ParamCheck := not FSQLReader.HasBegin; {Probably PSQL}
1350		FISQL.Prepare;
1351		FISQL.Statement.EnableStatistics(ShowPerformanceStats);
1352
#	Line 627 | Line 1385 | end;
1385
1386		function TCustomIBXScript.GetOnProgressEvent: TOnProgressEvent;
1387		begin
1388	<	Result := FSymbolStream.OnProgressEvent;
1388	>	Result := FSQLReader.OnProgressEvent;
1389		end;
1390
1391		function TCustomIBXScript.GetTransaction: TIBTransaction;
#	Line 660 | Line 1418 | begin
1418		if not (csLoading in ComponentState) and (FDatabase = AValue) then Exit;
1419		FDatabase := AValue;
1420		FISQL.Database := AValue;
1421	<	FIBXMLProcessor.Database := AValue;
1421	>	FSQLReader.Database := AValue;
1422		FInternalTransaction.Active := false;
1423		FInternalTransaction.DefaultDatabase := AValue;
1424		end;
#	Line 677 | Line 1435 | end;
1435
1436		procedure TCustomIBXScript.SetOnProgressEvent(AValue: TOnProgressEvent);
1437		begin
1438	<	FSymbolStream.OnProgressEvent := AValue;
1438	>	FSQLReader.OnProgressEvent := AValue;
1439		end;
1440
1441		procedure TCustomIBXScript.SetParamValue(SQLVar: ISQLParam);
1442		var BlobID: TISC_QUAD;
1443		ix: integer;
1444		begin
1445	<	if (SQLVar.SQLType = SQL_BLOB) and (Pos(ibx_blob,SQLVar.Name) = 1) then
1445	>	if (SQLVar.SQLType = SQL_BLOB) and (Pos(TSQLXMLReader.ibx_blob,SQLVar.Name) = 1) then
1446		begin
1447	<	ix := StrToInt(system.copy(SQLVar.Name,length(ibx_blob)+1,length(SQLVar.Name)-length(ibx_blob)));
1448	<	SQLVar.AsBlob := FIBXMLProcessor.BlobData[ix].BlobIntf;
1447	>	ix := StrToInt(system.copy(SQLVar.Name,length(TSQLXMLReader.ibx_blob)+1,length(SQLVar.Name)-length(TSQLXMLReader.ibx_blob)));
1448	>	SQLVar.AsBlob := FSQLReader.BlobData[ix].BlobIntf;
1449		Exit;
1450		end
1451		else
1452	<	if (SQLVar.SQLType = SQL_ARRAY) and (Pos(ibx_array,SQLVar.Name) = 1) then
1452	>	if (SQLVar.SQLType = SQL_ARRAY) and (Pos(TSQLXMLReader.ibx_array,SQLVar.Name) = 1) then
1453		begin
1454	<	ix := StrToInt(system.copy(SQLVar.Name,length(ibx_array)+1,length(SQLVar.Name)-length(ibx_array)));
1455	<	SQLVar.AsArray := FIBXMLProcessor.ArrayData[ix].ArrayIntf;
1454	>	ix := StrToInt(system.copy(SQLVar.Name,length(TSQLXMLReader.ibx_array)+1,length(SQLVar.Name)-length(TSQLXMLReader.ibx_array)));
1455	>	SQLVar.AsArray := FSQLReader.ArrayData[ix].ArrayIntf;
1456		Exit;
1457		end;
1458
#	Line 723 | Line 1481 | function TCustomIBXScript.ProcessStream:
1481		var stmt: string;
1482		begin
1483		Result := false;
1484	<	while FIBSQLProcessor.GetNextStatement(FSymbolStream,stmt) do
1484	>	while FSQLReader.GetNextStatement(stmt) do
1485		try
1486	+	stmt := trim(stmt);
1487		//    writeln('stmt = ',stmt);
1488	<	if trim(stmt) = '' then continue;
1488	>	if stmt = '' then continue;
1489		if not ProcessStatement(stmt) then
1490		ExecSQL(stmt);
1491
#	Line 734 | Line 1493 | begin
1493		begin
1494		with GetTransaction do
1495		if InTransaction then Rollback;
1496	<	FSymbolStream.Terminator := DefaultTerminator;
1496	>	FSQLReader.Terminator := TSQLStatementReader.DefaultTerminator;
1497		if assigned(OnErrorLog) then
1498		begin
1499	<	Add2Log(Format(sStatementError,[FSymbolStream.GetErrorPrefix,
1499	>	Add2Log(Format(sStatementError,[FSQLReader.GetErrorPrefix,
1500		E.Message,stmt]),true);
1501		if StopOnFirstError then Exit;
1502		end
#	Line 748 | Line 1507 | begin
1507		Result := true;
1508		end;
1509
1510	+	procedure TCustomIBXScript.SetSQLStatementReader(
1511	+	SQLStatementReader: TSQLStatementReader);
1512	+	begin
1513	+	FSQLReader := SQLStatementReader;
1514	+	FSQLReader.OnNextLine := @EchoNextLine;
1515	+	FSQLReader.Transaction := FInternalTransaction;
1516	+	end;
1517	+
1518		function TCustomIBXScript.ProcessStatement(stmt: string): boolean;
1519		var command: string;
753	–	ucStmt: string;
1520
1521		function Toggle(aValue: string): boolean;
1522		begin
#	Line 771 | Line 1537 | var command: string;
1537		try
1538		RegexObj.ModifierG := false; {turn off greedy matches}
1539		RegexObj.Expression := ' +USER +''(.+)''';
1540	<	if RegexObj.Exec(ucStmt) then
1540	>	if RegexObj.Exec(stmt) then
1541		FDatabase.Params.Values['user_name'] := RegexObj.Match[1];
1542
1543		RegexObj.Expression := ' +PASSWORD +''(.+)''';
1544	<	if RegexObj.Exec(ucStmt) then
1544	>	if RegexObj.Exec(stmt) then
1545		FDatabase.Params.Values['password'] :=
1546		system.copy(stmt,RegexObj.MatchPos[1],RegexObj.MatchLen[1]);
1547		finally
#	Line 790 | Line 1556 | var command: string;
1556		RegexObj := TRegExpr.Create;
1557		try
1558		RegexObj.ModifierG := false; {turn off greedy matches}
1559	+	RegexObj.ModifierI := true; {case insensitive}
1560		RegexObj.Expression := '^ *CONNECT +''(.*)''';
1561	<	if RegexObj.Exec(ucStmt) then
1561	>	if RegexObj.Exec(stmt) then
1562		begin
1563		FDatabase.DatabaseName := system.copy(stmt,RegexObj.MatchPos[1],RegexObj.MatchLen[1]);
1564		end;
1565
1566		RegexObj.Expression := ' +ROLE +''(.+)''';
1567	<	if RegexObj.Exec(ucStmt) then
1567	>	if RegexObj.Exec(stmt) then
1568		FDatabase.Params.Values['sql_role_name'] := RegexObj.Match[1]
1569		else
1570		with FDatabase.Params do
#	Line 805 | Line 1572 | var command: string;
1572		Delete(IndexOfName('sql_role_name'));
1573
1574		RegexObj.Expression := ' +CACHE +([0-9]+)';
1575	<	if RegexObj.Exec(ucStmt) then
1575	>	if RegexObj.Exec(stmt) then
1576		FDatabase.Params.Values['cache_manager'] := RegexObj.Match[1]
1577		else
1578		with FDatabase.Params do
#	Line 822 | Line 1589 | var command: string;
1589		RegexObj := TRegExpr.Create;
1590		try
1591		RegexObj.ModifierG := false; {turn off greedy matches}
1592	+	RegexObj.ModifierI := true; {case insensitive}
1593		RegexObj.Expression := '^ *CREATE +(DATABASE|SCHEMA) +(''.*'') +USER +''(.+)''';
1594	<	if not RegexObj.Exec(ucStmt) and (FDatabase.Params.IndexOfName('user_name') <> -1) then
1594	>	if not RegexObj.Exec(stmt) and (FDatabase.Params.IndexOfName('user_name') <> -1) then
1595		begin
1596		RegexObj.Expression := '^ *CREATE +(DATABASE|SCHEMA) +(''.*'')';
1597	<	if RegexObj.Exec(ucStmt) then
1597	>	if RegexObj.Exec(stmt) then
1598		begin
1599		system.Insert(' USER ''' + FDatabase.Params.Values['user_name'] +'''',stmt,
1600		RegexObj.MatchPos[2] + RegexObj.MatchLen[2]);
833	–	ucStmt := AnsiUpperCase(stmt);
1601		end;
1602		end;
1603
1604		RegexObj.Expression := '^ *CREATE +(DATABASE|SCHEMA) +''.*'' +USER +''.+'' PASSWORD +''(.+)''';
1605	<	if not RegexObj.Exec(ucStmt) and (FDatabase.Params.IndexOfName('password') <> -1) then
1605	>	if not RegexObj.Exec(stmt) and (FDatabase.Params.IndexOfName('password') <> -1) then
1606		begin
1607		RegexObj.Expression := '^ *CREATE +(DATABASE|SCHEMA) +''.*'' +(USER +''.+'')';
1608	<	if RegexObj.Exec(ucStmt) then
1608	>	if RegexObj.Exec(stmt) then
1609		begin
1610		system.Insert(' PASSWORD ''' + FDatabase.Params.Values['password'] +'''',stmt,
1611		RegexObj.MatchPos[2] + RegexObj.MatchLen[2]);
845	–	ucStmt := AnsiUpperCase(stmt);
1612		end;
1613		end;
1614		finally
#	Line 860 | Line 1626 | var  RegexObj: TRegExpr;
1626		LoginPrompt: boolean;
1627		begin
1628		Result := false;
1629	<	ucStmt := AnsiUpperCase(stmt);
864	<	Terminator := FSymbolStream.Terminator;
1629	>	Terminator := FSQLReader.Terminator;
1630		RegexObj := TRegExpr.Create;
1631		try
1632		{process create database}
1633	+	RegexObj.ModifierI := true; {case insensitive}
1634		RegexObj.Expression := '^ *CREATE +(DATABASE|SCHEMA) +''(.*)''(.*)(\' + Terminator + '|)';
1635	<	if RegexObj.Exec(ucStmt) then
1635	>	if RegexObj.Exec(stmt) then
1636		begin
1637		if IgnoreCreateDatabase then
1638		begin
#	Line 877 | Line 1643 | begin
1643		if assigned(FOnCreateDatabase) then
1644		OnCreateDatabase(self,FileName);
1645		stmt := 'CREATE DATABASE ''' + FileName + '''' + system.copy(stmt,RegexObj.MatchPos[3], RegexObj.MatchLen[3]);
880	–	ucStmt := AnsiUpperCase(stmt);
1646		UpdateUserPassword;
1647	<	FDatabase.Connected := false;
1647	>	if FDatabase.Connected then
1648	>	FDatabase.Dropdatabase;
1649		FDatabase.CreateDatabase(stmt);
884	–	FDatabase.Connected := false;
885	–	ExtractUserInfo;
886	–	DoReconnect;
1650		Result := true;
1651		Exit;
1652		end;
1653
1654		{process connect statement}
1655		RegexObj.Expression := '^ *CONNECT +.*(\' + Terminator + '|)';
1656	<	if RegexObj.Exec(ucStmt) then
1656	>	if RegexObj.Exec(stmt) then
1657		begin
1658		ExtractConnectInfo;
1659	<	DoReconnect;
1659	>	FDatabase.Connected := false;
1660	>	FDatabase.Connected := true;
1661		Result := true;
1662		Exit;
1663		end;
1664
1665		{Process Drop Database}
1666		RegexObj.Expression := '^ *DROP +DATABASE *(\' + Terminator + '|)';
1667	<	if RegexObj.Exec(ucStmt) then
1667	>	if RegexObj.Exec(stmt) then
1668		begin
1669		FDatabase.DropDatabase;
1670		Result := true;
#	Line 909 | Line 1673 | begin
1673
1674		{process commit statement}
1675		RegexObj.Expression := '^ *COMMIT *(\' + Terminator + '|)';
1676	<	if RegexObj.Exec(ucStmt) then
1676	>	if RegexObj.Exec(stmt) then
1677		begin
1678		DoCommit;
1679		Result := true;
#	Line 918 | Line 1682 | begin
1682
1683		{process Reconnect statement}
1684		RegexObj.Expression := '^ *RECONNECT *(\' + Terminator + '|)';
1685	<	if RegexObj.Exec(ucStmt) then
1685	>	if RegexObj.Exec(stmt) then
1686		begin
1687		DoReconnect;
1688		Result := true;
#	Line 928 | Line 1692 | begin
1692
1693		{Process Set Term}
1694		RegexObj.Expression := '^ *SET +TERM +(.) *(\' + Terminator + '|)';
1695	<	if RegexObj.Exec(ucStmt) then
1695	>	if RegexObj.Exec(stmt) then
1696		begin
1697	<	FSymbolStream.Terminator := RegexObj.Match[1][1];
1697	>	FSQLReader.Terminator := RegexObj.Match[1][1];
1698		Result := true;
1699		Exit;
1700		end;
1701
1702		{process Set SQL Dialect}
1703		RegexObj.Expression := '^ *SET +SQL +DIALECT +([0-9]) *(\' + Terminator + '|)';
1704	<	if RegexObj.Exec(ucStmt) then
1704	>	if RegexObj.Exec(stmt) then
1705		begin
1706		n := StrToInt(RegexObj.Match[1]);
1707		if Database.SQLDialect <> n then
#	Line 952 | Line 1716 | begin
1716
1717		{Process Remaining Set statements}
1718		RegexObj.Expression := '^ *SET +([A-Z]+)( +[A-Z0-9]+|) *(\' + Terminator + '|)';
1719	<	if RegexObj.Exec(ucStmt) then
1719	>	if RegexObj.Exec(stmt) then
1720		begin
1721		command := AnsiUpperCase(RegexObj.Match[1]);
1722		param := trim(RegexObj.Match[2]);
1723	+	if command = 'GENERATOR' then
1724	+	begin
1725	+	Result := false;
1726	+	Exit;
1727	+	end;
1728		if command = 'AUTODDL' then
1729		AutoDDL := ((RegexObj.MatchLen[2] = 0) and not AutoDDL) or
1730		(RegexObj.MatchLen[2] > 0) and Toggle(param)
#	Line 995 | Line 1764 | begin
1764		begin
1765		if assigned(DataOutputFormatter) then
1766		DataOutputFormatter.SetCommand(command,param,stmt,Result);
1767	<	if not Result and assigned(OnSetStatement) then
1768	<	OnSetStatement(self,command,param,stmt,Result)
1769	<	else
1770	<	raise Exception.CreateFmt(sInvalidSetStatement, [command,stmt]);
1767	>	if not Result then
1768	>	begin
1769	>	if assigned(OnSetStatement) then
1770	>	OnSetStatement(self,command,param,stmt,Result)
1771	>	else
1772	>	raise Exception.CreateFmt(sInvalidSetStatement, [command,stmt]);
1773	>	end;
1774		Exit;
1775		end;
1776		Result := true;
#	Line 1014 | Line 1786 | procedure TCustomIBXScript.SetTransactio
1786		begin
1787		if FTransaction = AValue then Exit;
1788		FTransaction := AValue;
1789	<	FIBXMLProcessor.Transaction := AValue;
1789	>	if FTransaction = nil then
1790	>	FSQLReader.Transaction := FInternalTransaction
1791	>	else
1792	>	FSQLReader.Transaction := FTransaction;
1793		end;
1794
1795		constructor TCustomIBXScript.Create(aOwner: TComponent);
#	Line 1025 | Line 1800 | begin
1800		FAutoDDL := true;
1801		FISQL := TIBSQL.Create(self);
1802		FISQL.ParamCheck := true;
1028	–	FIBXMLProcessor := TIBXMLProcessor.Create;
1029	–	FIBSQLProcessor := TIBSQLProcessor.Create(FIBXMLProcessor);
1803		FInternalTransaction := TIBTransaction.Create(self);
1804		FInternalTransaction.Params.Clear;
1805		FInternalTransaction.Params.Add('concurrency');
#	Line 1035 | Line 1808 | end;
1808
1809		destructor TCustomIBXScript.Destroy;
1810		begin
1811	<	if FIBSQLProcessor <> nil then FIBSQLProcessor.Free;
1039	<	if FIBXMLProcessor <> nil then FIBXMLProcessor.Free;
1040	<	if FSymbolStream <> nil then FSymbolStream.Free;
1811	>	if FSQLReader <> nil then FSQLReader.Free;
1812		if FISQL <> nil then FISQL.Free;
1813		if FInternalTransaction <> nil then FInternalTransaction.Free;
1814		inherited Destroy;
#	Line 1048 | Line 1819 | begin
1819		if assigned(DataOutputFormatter) then
1820		DataOutputFormatter.DataOut(aSQLText,@Add2Log)
1821		else
1822	<	FSymbolStream.ShowError(sNoSelectSQL,[nil]);
1822	>	FSQLReader.ShowError(sNoSelectSQL);
1823		end;
1824
1825	<	{ TIBSQLProcessor }
1825	>	{ TInteractiveSQLStatementReader }
1826
1827	<	procedure TIBSQLProcessor.AddToSQL(const Symbol: string);
1827	>	function TInteractiveSQLStatementReader.GetErrorPrefix: string;
1828		begin
1829	<	FSQLText := FSQLText +  Symbol;
1059	<	//  writeln('SQL = ',FSQLText);
1060	<	end;
1061	<
1062	<	procedure TIBSQLProcessor.SetState(AState: TSQLStates);
1063	<	begin
1064	<	if FStackIndex > 16 then
1065	<	FSymbolStream.ShowError(sStackOverFlow,[nil]);
1066	<	FStack[FStackIndex] := FState;
1067	<	Inc(FStackIndex);
1068	<	FState := AState
1069	<	end;
1070	<
1071	<	function TIBSQLProcessor.PopState: TSQLStates;
1072	<	begin
1073	<	if FStackIndex = 0 then
1074	<	FSymbolStream.ShowError(sStackUnderflow,[nil]);
1075	<	Dec(FStackIndex);
1076	<	Result := FStack[FStackIndex]
1077	<	end;
1078	<
1079	<	constructor TIBSQLProcessor.Create(XMLProcessor: TIBXMLProcessor);
1080	<	begin
1081	<	inherited Create;
1082	<	FXMLProcessor := XMLProcessor;
1829	>	Result := '';
1830		end;
1831
1832	<	function TIBSQLProcessor.GetNextStatement(SymbolStream: TSymbolStream;
1086	<	var stmt: string): boolean;
1087	<	var Symbol: TSQLSymbol;
1088	<	NonSpace: boolean;
1089	<	Done: boolean;
1832	>	function TInteractiveSQLStatementReader.GetNextLine(var Line: string): boolean;
1833		begin
1834	<	FSQLText := '';
1835	<	FState := stInit;
1836	<	FHasBegin := false;
1837	<	FSymbolStream := SymbolStream;
1838	<	FXMLProcessor.NextStatement;
1839	<	SymbolStream.NextStatement;
1097	<
1098	<	Result := true;
1099	<	Done := false;
1100	<	NonSpace := false;
1101	<	while not Done do
1102	<	with SymbolStream do
1834	>	if FNextStatement then
1835	>	write(FPrompt)
1836	>	else
1837	>	write(FContinuePrompt);
1838	>	Result := not system.EOF;
1839	>	if Result then
1840		begin
1841	<	if FState = stError then
1842	<	ShowError(sErrorState,[nil]);
1106	<	Symbol := GetSymbol;
1107	<	//    writeln('Symbol = ',Symbol,' Value = ',SymbolValue);
1108	<	if not (Symbol in [' ',sqEOL]) then
1109	<	NonSpace := true;
1110	<
1111	<	case Symbol of
1112	<	sqTag:
1113	<	begin
1114	<	if FState in [stInSQL,stNested] then
1115	<	AddToSQL(FXMLProcessor.AnalyseXML(SymbolStream));
1116	<	end;
1117	<
1118	<	sqTerminator:
1119	<	case FState of
1120	<	stInit: {ignore empty statement};
1121	<
1122	<	stInSQL:
1123	<	Done := true;
1124	<
1125	<	stNested:
1126	<	AddToSQL(Terminator);
1127	<
1128	<	stInDeclaration:
1129	<	begin
1130	<	FState := PopState;
1131	<	AddToSQL(Terminator);
1132	<	end;
1133	<
1134	<	else
1135	<	ShowError(sTerminatorUnknownState,[FState]);
1136	<	end;
1137	<
1138	<	';':
1139	<	begin
1140	<	if FState = stInDeclaration then
1141	<	FState := PopState;
1142	<	AddToSQL(';');
1143	<	end;
1144	<
1145	<	'*':
1146	<	begin
1147	<	AddToSQL('*');
1148	<	if FState =  stInit then
1149	<	FState := stInSQL
1150	<	end;
1151	<
1152	<	'/':
1153	<	begin
1154	<	AddToSQL('/');
1155	<	if FState =  stInit then
1156	<	FState := stInSQL
1157	<	end;
1158	<
1159	<	sqComment,
1160	<	sqQuotedString,
1161	<	sqDoubleQuotedString:
1162	<	if FState <> stInit then
1163	<	AddToSQL(SymbolValue);
1164	<
1165	<	sqCommentLine:
1166	<	if FState <> stInit then
1167	<	AddToSQL(SymbolValue + LineEnding);
1168	<
1169	<	sqEnd:
1170	<	begin
1171	<	AddToSQL(SymbolValue);
1172	<	case FState of
1173	<	stNested:
1174	<	begin
1175	<	if FNested = 0 then
1176	<	begin
1177	<	FState := PopState;
1178	<	if not FInCase then
1179	<	begin
1180	<	FState := stInit;
1181	<	Done := true;
1182	<	end
1183	<	else
1184	<	FInCase := false;
1185	<	end
1186	<	else
1187	<	Dec(FNested)
1188	<	end;
1189	<	{Otherwise ignore}
1190	<	end
1191	<	end;
1192	<
1193	<	sqBegin:
1194	<	begin
1195	<	FHasBegin := true;
1196	<	AddToSQL(SymbolValue);
1197	<	case FState of
1198	<	stNested:
1199	<	Inc(FNested);
1200	<
1201	<	stInSQL,
1202	<	stInit:
1203	<	SetState(stNested);
1204	<	end
1205	<	end;
1206	<
1207	<	sqCase:
1208	<	begin
1209	<	AddToSQL(SymbolValue);
1210	<	case FState of
1211	<	stNested:
1212	<	Inc(FNested);
1213	<
1214	<	stInSQL,
1215	<	stInit:
1216	<	begin
1217	<	FInCase := true;
1218	<	SetState(stNested);
1219	<	end;
1220	<	end
1221	<	end;
1222	<
1223	<	sqDeclare:
1224	<	begin
1225	<	AddToSQL(SymbolValue);
1226	<	if FState in [stInit,stInSQL] then
1227	<	SetState(stInDeclaration)
1228	<	end;
1229	<
1230	<	sqString:
1231	<	begin
1232	<	AddToSQL(SymbolValue);
1233	<	if FState = stInit then
1234	<	FState := stInSQL
1235	<	end;
1236	<
1237	<	sqEOL:
1238	<	begin
1239	<	case FState of
1240	<	stInit:
1241	<	{Do nothing};
1242	<	else
1243	<	if NonSpace then AddToSQL(LineEnding);
1244	<	end;
1245	<	end;
1246	<
1247	<	sqEOF:
1248	<	begin
1249	<	Done := true;
1250	<	Result := trim(FSQLText) <> '';
1251	<	end
1252	<	else
1253	<	if FState <> stInit then
1254	<	AddToSQL(Symbol);
1255	<	end
1256	<	end;
1257	<	stmt := FSQLText;
1258	<	//  writeln('stmt = ',stmt);
1259	<	end;
1260	<
1261	<	{ TIBXMLProcessor }
1262	<
1263	<	procedure TIBXMLProcessor.EndXMLTag(xmltag: TXMLTag);
1264	<	begin
1265	<	if FXMLTagIndex = 0 then
1266	<	FSymbolStream.ShowError(sXMLStackUnderflow,[nil]);
1267	<	if xmltag <> FXMLTagStack[FXMLTagIndex] then
1268	<	FSymbolStream.ShowError(sInvalidEndTag,[FSymbolStream.SymbolValue]);
1269	<
1270	<	case FXMLTagStack[FXMLTagIndex] of
1271	<	xtBlob:
1272	<	FBlobData[FCurrentBlob].BlobIntf.Close;
1273	<
1274	<	xtArray:
1275	<	FArrayData[FCurrentArray].ArrayIntf.SaveChanges;
1276	<
1277	<	xtElt:
1278	<	Dec(FArrayData[FCurrentArray].CurrentRow);
1279	<	end;
1280	<	Dec(FXMLTagIndex);
1281	<	end;
1282	<
1283	<	procedure TIBXMLProcessor.EnterTag;
1284	<	var aCharSetID: integer;
1285	<	begin
1286	<	case FXMLTagStack[FXMLTagIndex] of
1287	<	xtBlob:
1288	<	begin
1289	<	Database.Connected := true;
1290	<	Transaction.Active := true;
1291	<	FBlobData[FCurrentBlob].BlobIntf := Database.Attachment.CreateBlob(
1292	<	Transaction.TransactionIntf,FBlobData[FCurrentBlob].SubType);
1293	<	end;
1294	<
1295	<	xtArray:
1296	<	with FArrayData[FCurrentArray] do
1297	<	begin
1298	<	Database.Connected := true;
1299	<	Transaction.Active := true;
1300	<	Database.Attachment.CharSetName2CharSetID(CharSet,aCharSetID);
1301	<	SetLength(Index,dim);
1302	<	ArrayIntf := Database.Attachment.CreateArray(
1303	<	Transaction.TransactionIntf,
1304	<	Database.Attachment.CreateArrayMetaData(SQLType,
1305	<	relationName,columnName,Scale,Size,
1306	<	aCharSetID,dim,bounds)
1307	<	);
1308	<	end;
1841	>	readln(Line);
1842	>	EchoNextLine(Line);
1843		end;
1844		end;
1845
1846	<	function TIBXMLProcessor.GetArrayData(index: integer): TArrayData;
1313	<	begin
1314	<	if (index < 0) or (index > ArrayDataCount) then
1315	<	FSymbolStream.ShowError(sArrayIndexError,[index]);
1316	<	Result := FArrayData[index];
1317	<	end;
1318	<
1319	<	function TIBXMLProcessor.GetArrayDataCount: integer;
1320	<	begin
1321	<	Result := Length(FArrayData);
1322	<	end;
1323	<
1324	<	function TIBXMLProcessor.GetBlobData(index: integer): TBlobData;
1846	>	function TInteractiveSQLStatementReader.GetChar: char;
1847		begin
1848	<	if (index < 0) or (index > BlobDataCount) then
1849	<	FSymbolStream.ShowError(sBlobIndexError,[index]);
1850	<	Result := FBlobData[index];
1851	<	end;
1330	<
1331	<	function TIBXMLProcessor.GetBlobDataCount: integer;
1332	<	begin
1333	<	Result := Length(FBlobData);
1334	<	end;
1335	<
1336	<	procedure TIBXMLProcessor.ProcessTagValue(tagValue: string);
1337	<
1338	<	function nibble(hex: char): byte;
1339	<	begin
1340	<	case hex of
1341	<	'0': Result := 0;
1342	<	'1': Result := 1;
1343	<	'2': Result := 2;
1344	<	'3': Result := 3;
1345	<	'4': Result := 4;
1346	<	'5': Result := 5;
1347	<	'6': Result := 6;
1348	<	'7': Result := 7;
1349	<	'8': Result := 8;
1350	<	'9': Result := 9;
1351	<	'a','A': Result := 10;
1352	<	'b','B': Result := 11;
1353	<	'c','C': Result := 12;
1354	<	'd','D': Result := 13;
1355	<	'e','E': Result := 14;
1356	<	'f','F': Result := 15;
1357	<	end;
1358	<	end;
1359	<
1360	<	procedure RemoveWhiteSpace(var hexData: string);
1361	<	var i: integer;
1848	>	if Terminated then
1849	>	Result := #0
1850	>	else
1851	>	if FLineIndex > Length(FLine) then
1852		begin
1853	<	{Remove White Space}
1854	<	i := 1;
1855	<	while i <= length(hexData) do
1856	<	begin
1857	<	case hexData[i] of
1368	<	' ',#9,#10,#13:
1369	<	begin
1370	<	if i < Length(hexData) then
1371	<	Move(hexData[i+1],hexData[i],Length(hexData)-i);
1372	<	SetLength(hexData,Length(hexData)-1);
1373	<	end;
1374	<	else
1375	<	Inc(i);
1376	<	end;
1377	<	end;
1378	<	end;
1379	<
1380	<	procedure WriteToBlob(hexData: string);
1381	<	var i,j : integer;
1382	<	blength: integer;
1383	<	P: PChar;
1853	>	Result := LF;
1854	>	FLineIndex := 0;
1855	>	end
1856	>	else
1857	>	if FLineIndex = 0 then
1858		begin
1859	<	RemoveWhiteSpace(hexData);
1860	<	if odd(length(hexData)) then
1387	<	FSymbolStream.ShowError(sBinaryBlockMustbeEven,[nil]);
1388	<	blength := Length(hexData) div 2;
1389	<	IBAlloc(FBlobBuffer,0,blength);
1390	<	j := 1;
1391	<	P := FBlobBuffer;
1392	<	for i := 1 to blength do
1393	<	begin
1394	<	P^ := char((nibble(hexData[j]) shl 4) or nibble(hexdata[j+1]));
1395	<	Inc(j,2);
1396	<	Inc(P);
1397	<	end;
1398	<	FBlobData[FCurrentBlob].BlobIntf.Write(FBlobBuffer^,blength);
1399	<	end;
1400	<
1401	<	begin
1402	<	if tagValue = '' then Exit;
1403	<	case FXMLTagStack[FXMLTagIndex] of
1404	<	xtBlob:
1405	<	WriteToBlob(tagValue);
1406	<
1407	<	xtElt:
1408	<	with FArrayData[FCurrentArray] do
1409	<	ArrayIntf.SetAsString(index,tagValue);
1410	<
1411	<	end;
1412	<	end;
1413	<
1414	<	procedure TIBXMLProcessor.StartXMLTag(xmltag: TXMLTag);
1415	<	begin
1416	<	if FXMLTagIndex > 19 then
1417	<	FSymbolStream.ShowError(sXMLStackOverFlow,[nil]);
1418	<	Inc(FXMLTagIndex);
1419	<	FXMLTagStack[FXMLTagIndex] := xmltag;
1420	<	case xmltag of
1421	<	xtBlob:
1422	<	begin
1423	<	Inc(FCurrentBlob);
1424	<	SetLength(FBlobData,FCurrentBlob+1);
1425	<	FBlobData[FCurrentBlob].BlobIntf := nil;
1426	<	FBlobData[FCurrentBlob].SubType := 0;
1427	<	end;
1428	<
1429	<	xtArray:
1430	<	begin
1431	<	Inc(FCurrentArray);
1432	<	SetLength(FArrayData,FCurrentArray+1);
1433	<	with FArrayData[FCurrentArray] do
1434	<	begin
1435	<	ArrayIntf := nil;
1436	<	SQLType := 0;
1437	<	dim := 0;
1438	<	Size := 0;
1439	<	Scale := 0;
1440	<	CharSet := 'NONE';
1441	<	SetLength(Index,0);
1442	<	CurrentRow := -1;
1443	<	end;
1444	<	end;
1445	<
1446	<	xtElt:
1447	<	with FArrayData[FCurrentArray] do
1448	<	Inc(CurrentRow);
1449	<
1450	<	end;
1451	<	end;
1452	<
1453	<	procedure TIBXMLProcessor.ProcessAttributeValue(attrValue: string);
1454	<	begin
1455	<	case FXMLTagStack[FXMLTagIndex] of
1456	<	xtBlob:
1457	<	if FAttributeName = 'subtype' then
1458	<	FBlobData[FCurrentBlob].SubType := StrToInt(attrValue)
1459	<	else
1460	<	FSymbolStream.ShowError(sXMLAttributeError,[FAttributeName,attrValue]);
1461	<
1462	<	xtArray:
1463	<	if FAttributeName = 'sqltype' then
1464	<	FArrayData[FCurrentArray].SQLType := StrToInt(attrValue)
1465	<	else
1466	<	if FAttributeName = 'relation_name' then
1467	<	FArrayData[FCurrentArray].relationName := attrValue
1468	<	else
1469	<	if FAttributeName = 'column_name' then
1470	<	FArrayData[FCurrentArray].columnName := attrValue
1471	<	else
1472	<	if FAttributeName = 'dim' then
1473	<	FArrayData[FCurrentArray].Dim := StrToInt(attrValue)
1474	<	else
1475	<	if FAttributeName = 'length' then
1476	<	FArrayData[FCurrentArray].Size := StrToInt(attrValue)
1477	<	else
1478	<	if FAttributeName = 'scale' then
1479	<	FArrayData[FCurrentArray].Scale := StrToInt(attrValue)
1859	>	if not GetNextLine(FLine) then
1860	>	Result := #0
1861		else
1862	<	if FAttributeName = 'charset' then
1863	<	FArrayData[FCurrentArray].CharSet := attrValue
1483	<	else
1484	<	if FAttributeName = 'bounds' then
1485	<	ProcessBoundsList(attrValue)
1862	>	if Length(FLine) = 0 then
1863	>	Result := LF
1864		else
1487	–	FSymbolStream.ShowError(sXMLAttributeError,[FAttributeName,attrValue]);
1488	–
1489	–	xtElt:
1490	–	if FAttributeName = 'ix' then
1491	–	with FArrayData[FCurrentArray] do
1492	–	Index[CurrentRow] :=  StrToInt(attrValue)
1493	–	else
1494	–	FSymbolStream.ShowError(sXMLAttributeError,[FAttributeName,attrValue]);
1495	–	end;
1496	–	end;
1497	–
1498	–	procedure TIBXMLProcessor.ProcessBoundsList(boundsList: string);
1499	–	var list: TStringList;
1500	–	i,j: integer;
1501	–	begin
1502	–	list := TStringList.Create;
1503	–	try
1504	–	list.Delimiter := ',';
1505	–	list.DelimitedText := boundsList;
1506	–	with FArrayData[FCurrentArray] do
1865		begin
1866	<	if dim <> list.Count then
1867	<	FSymbolStream.ShowError(sInvalidBoundsList,[boundsList]);
1868	<	SetLength(bounds,dim);
1869	<	for i := 0 to list.Count - 1 do
1870	<	begin
1871	<	j := Pos(':',list[i]);
1872	<	if j = 0 then
1873	<	raise Exception.CreateFmt(sInvalidBoundsList,[boundsList]);
1516	<	bounds[i].LowerBound := StrToInt(system.copy(list[i],1,j-1));
1517	<	bounds[i].UpperBound := StrToInt(system.copy(list[i],j+1,length(list[i])-j));
1518	<	end;
1519	<	end;
1520	<	finally
1521	<	list.Free;
1866	>	Result := FLine[1];
1867	>	FLineIndex := 2;
1868	>	end
1869	>	end
1870	>	else
1871	>	begin
1872	>	Result := FLine[FLineIndex];
1873	>	Inc(FLineIndex);
1874		end;
1875		end;
1876
1877	<	constructor TIBXMLProcessor.Create;
1877	>	constructor TInteractiveSQLStatementReader.Create(aPrompt: string; aContinue: string);
1878		begin
1879		inherited Create;
1880	<	NextStatement;
1880	>	FPrompt := aPrompt;
1881	>	FLineIndex := 0;
1882	>	FNextStatement := true;
1883	>	FContinuePrompt := aContinue;
1884		end;
1885
1886	<	destructor TIBXMLProcessor.Destroy;
1886	>	function TInteractiveSQLStatementReader.GetNextStatement(var stmt: string
1887	>	): boolean;
1888		begin
1889	<	FreeMem(FBlobBuffer);
1890	<	inherited Destroy;
1889	>	Result := inherited GetNextStatement(stmt);
1890	>	FNextStatement := Result;
1891		end;
1892
1893	<	function TIBXMLProcessor.AnalyseXML(SymbolStream: TSymbolStream): string;
1538	<	var Symbol: TSQLSymbol;
1539	<	Done: boolean;
1540	<	XMLString: string;
1541	<	begin
1542	<	Result := '';
1543	<	XMLString := '';
1544	<	Done := false;
1545	<	FState := stInTag;
1546	<	FSymbolStream := SymbolStream;
1547	<	with SymbolStream do
1548	<	begin
1549	<	StartXMLTag(XMLTag);
1550	<	while not Done do
1551	<	with SymbolStream do
1552	<	begin
1553	<	Symbol := GetSymbol;
1554	<
1555	<	case Symbol of
1556	<	sqEOL:
1557	<	case FState of
1558	<	stQuotedAttributeValue,
1559	<	stTagged:
1560	<	XMLString += LineEnding;
1561	<	end;
1562	<
1563	<	' ',sqTab:
1564	<	case FState of
1565	<	stQuotedAttributeValue,
1566	<	stTagged:
1567	<	XMLString += ' ';
1568	<	end;
1893	>	{ TBatchSQLStatementReader }
1894
1895	<	';':
1571	<	case FState of
1572	<	stQuotedAttributeValue,
1573	<	stTagged:
1574	<	XMLString += ';';
1575	<	else
1576	<	ShowError(sXMLError,[Symbol]);
1577	<	end;
1578	<
1579	<	'''':
1580	<	case FState of
1581	<	stQuotedAttributeValue,
1582	<	stTagged:
1583	<	XMLString += '''';
1584	<	else
1585	<	ShowError(sXMLError,[Symbol]);
1586	<	end;
1587	<
1588	<	'*':
1589	<	case FState of
1590	<	stQuotedAttributeValue,
1591	<	stTagged:
1592	<	XMLString += '*';
1593	<	else
1594	<	ShowError(sXMLError,[Symbol]);
1595	<	end;
1596	<
1597	<	'/':
1598	<	case FState of
1599	<	stQuotedAttributeValue,
1600	<	stTagged:
1601	<	XMLString += '/';
1602	<	else
1603	<	ShowError(sXMLError,[Symbol]);
1604	<	end;
1605	<
1606	<	'>':
1607	<	case FState of
1608	<	stEndTag:
1609	<	case XMLTag of
1610	<	xtBlob:
1611	<	begin
1612	<	Result := ':' + Format(ibx_blob+'%d',[FCurrentBlob]);
1613	<	Done := true;
1614	<	end;
1615	<	xtArray:
1616	<	begin
1617	<	Result := ':' + Format(ibx_array+'%d',[FCurrentArray]);
1618	<	Done := true;
1619	<	end;
1620	<	else
1621	<	FState := stTagged;
1622	<	end;
1623	<
1624	<	stInTag:
1625	<	begin
1626	<	XMLString := '';
1627	<	FState := stTagged;
1628	<	EnterTag;
1629	<	end;
1630	<
1631	<	stQuotedAttributeValue,
1632	<	stTagged:
1633	<	XMLString += '>';
1634	<
1635	<	else
1636	<	ShowError(sXMLError,[Symbol]);
1637	<	end;
1638	<
1639	<	sqTag:
1640	<	if FState = stTagged then
1641	<	begin
1642	<	FState := stInTag;
1643	<	StartXMLTag(XMLTag)
1644	<	end
1645	<	else
1646	<	ShowError(sXMLError,[Symbol]);
1647	<
1648	<	sqEndTag:
1649	<	if FState = stTagged then
1650	<	begin
1651	<	ProcessTagValue(XMLString);
1652	<	EndXMLTag(XMLTag);
1653	<	FState := stEndTag;
1654	<	end
1655	<	else
1656	<	ShowError(sXMLError,[Symbol]);
1657	<
1658	<	'=':
1659	<	case FState of
1660	<	stAttribute:
1661	<	FState := stAttributeValue;
1662	<
1663	<	stQuotedAttributeValue,
1664	<	stTagged:
1665	<	XMLString += '=';
1666	<
1667	<	else
1668	<	ShowError(sXMLError,[Symbol]);
1669	<	end;
1670	<
1671	<	'"':
1672	<	case FState of
1673	<	stAttributeValue:
1674	<	begin
1675	<	XMLString := '';
1676	<	FState := stQuotedAttributeValue;
1677	<	end;
1678	<
1679	<	stQuotedAttributeValue:
1680	<	begin
1681	<	ProcessAttributeValue(XMLString);
1682	<	FState := stInTag;
1683	<	end;
1684	<
1685	<	stTagged:
1686	<	XMLString += '"';
1687	<
1688	<	else
1689	<	ShowError(sXMLError,[Symbol]);
1690	<	end;
1691	<
1692	<	sqString:
1693	<	case FState of
1694	<	stInTag: {attribute name}
1695	<	begin
1696	<	FAttributeName := SymbolValue;
1697	<	FState := stAttribute;
1698	<	end;
1699	<
1700	<	stAttributeValue:
1701	<	begin
1702	<	ProcessAttributeValue(FString);
1703	<	FState := stInTag;
1704	<	end;
1705	<
1706	<	stQuotedAttributeValue,
1707	<	stTagged:
1708	<	XMLString += SymbolValue;
1709	<
1710	<	else
1711	<	ShowError(sXMLError,[Symbol]);
1712	<	end;
1713	<	else
1714	<	ShowError(sXMLError,[Symbol]);
1715	<	end
1716	<	end;
1717	<	end;
1718	<	end;
1719	<
1720	<	procedure TIBXMLProcessor.NextStatement;
1895	>	function TBatchSQLStatementReader.GetChar: char;
1896		begin
1897	<	FXMLTagIndex := 0;
1898	<	SetLength(FBlobData,0);
1899	<	FCurrentBlob := -1;
1900	<	SetLength(FArrayData,0);
1726	<	FCurrentArray := -1;
1727	<	end;
1728	<
1729	<	class function TIBXMLProcessor.FormatBlob(Field: ISQLData): string;
1730	<	var TextOut: TStrings;
1731	<	begin
1732	<	TextOut := TStringList.Create;
1733	<	try
1734	<	TextOut.Add(Format('<blob subtype="%d">',[Field.getSubtype]));
1735	<	StringToHex(Field.AsString,TextOut,BlobLineLength);
1736	<	TextOut.Add('</blob>');
1737	<	Result := TextOut.Text;
1738	<	finally
1739	<	TextOut.Free;
1740	<	end;
1741	<	end;
1742	<
1743	<	class function TIBXMLProcessor.FormatArray(Database: TIBDatabase; ar: IArray
1744	<	): string;
1745	<	var index: array of integer;
1746	<	TextOut: TStrings;
1747	<
1748	<	procedure AddElements(dim: integer; indent:string = ' ');
1749	<	var i: integer;
1750	<	recurse: boolean;
1897	>	if not EOF and assigned(FInStream) and not (FInStream.Position = FInStream.Size) then
1898	>	begin
1899	>	Result := char(FInStream.ReadByte);
1900	>	if Result = LF then
1901		begin
1902	<	SetLength(index,dim+1);
1903	<	recurse := dim < ar.GetDimensions - 1;
1904	<	with ar.GetBounds[dim] do
1905	<	for i := LowerBound to UpperBound do
1906	<	begin
1907	<	index[dim] := i;
1908	<	if recurse then
1909	<	begin
1760	<	TextOut.Add(Format('%s<elt id="%d">',[indent,i]));
1761	<	AddElements(dim+1,indent + ' ');
1762	<	TextOut.Add('</elt>');
1763	<	end
1764	<	else
1765	<	if ((ar.GetSQLType = SQL_TEXT) or (ar.GetSQLType = SQL_VARYING)) and
1766	<	(ar.GetCharSetID = 1) then
1767	<	TextOut.Add(Format('%s<elt ix="%d">%s</elt>',[indent,i,StringToHex(ar.GetAsString(index))]))
1768	<	else
1769	<	TextOut.Add(Format('%s<elt ix="%d">%s</elt>',[indent,i,ar.GetAsString(index)]));
1770	<	end;
1771	<	end;
1772	<
1773	<	var
1774	<	s: string;
1775	<	bounds: TArrayBounds;
1776	<	i: integer;
1777	<	boundsList: string;
1778	<	begin
1779	<	TextOut := TStringList.Create;
1780	<	try
1781	<	s := Format('<array dim = "%d" sqltype = "%d" length = "%d" relation_name = "%s" column_name = "%s"',
1782	<	[ar.GetDimensions,ar.GetSQLType,ar.GetSize,
1783	<	ar.GetTableName,ar.GetColumnName]);
1784	<	case ar.GetSQLType of
1785	<	SQL_DOUBLE, SQL_FLOAT, SQL_LONG, SQL_SHORT, SQL_D_FLOAT, SQL_INT64:
1786	<	s += Format(' scale = "%d"',[ ar.GetScale]);
1787	<	SQL_TEXT,
1788	<	SQL_VARYING:
1789	<	s += Format(' charset = "%s"',[Database.Attachment.GetCharsetName(ar.GetCharSetID)]);
1790	<	end;
1791	<	bounds := ar.GetBounds;
1792	<	boundsList := '';
1793	<	for i := 0 to length(bounds) - 1 do
1902	>	EchoNextLine(FCurLine);
1903	>	FCurLine := '';
1904	>	if assigned(OnProgressEvent) then
1905	>	OnProgressEvent(self,false,FIndex+1);
1906	>	Inc(FLineIndex);
1907	>	FIndex := 1;
1908	>	end
1909	>	else
1910		begin
1911	<	if i <> 0 then boundsList += ',';
1912	<	boundsList += Format('%d:%d',[bounds[i].LowerBound,bounds[i].UpperBound]);
1911	>	FCurLine += Result;
1912	>	Inc(FIndex);
1913		end;
1914	<	s += Format(' bounds="%s"',[boundsList]);
1799	<	s += '>';
1800	<	TextOut.Add(s);
1801	<
1802	<	SetLength(index,0);
1803	<	AddElements(0);
1804	<	TextOut.Add('</array>');
1805	<	Result := TextOut.Text;
1806	<	finally
1807	<	TextOut.Free;
1808	<	end;
1809	<	end;
1810	<
1811	<	{ TInteractiveSymbolStream }
1812	<
1813	<	function TInteractiveSymbolStream.GetErrorPrefix: string;
1814	<	begin
1815	<	Result := '';
1816	<	end;
1817	<
1818	<	function TInteractiveSymbolStream.GetNextLine(var Line: string): boolean;
1819	<	begin
1820	<	if FNextStatement then
1821	<	write(FPrompt)
1822	<	else
1823	<	write(FContinuePrompt);
1824	<	Result := not EOF;
1825	<	if Result then
1826	<	readln(Line);
1827	<	end;
1828	<
1829	<	constructor TInteractiveSymbolStream.Create(aPrompt: string; aContinue: string);
1830	<	begin
1831	<	inherited Create;
1832	<	FPrompt := aPrompt;
1833	<	FContinuePrompt := aContinue;
1834	<	end;
1835	<
1836	<	function TInteractiveSymbolStream.GetSymbol: TSQLSymbol;
1837	<	begin
1838	<	if Terminated then
1839	<	Result := sqEOF
1914	>	end
1915		else
1916	<	Result := inherited GetSymbol;
1916	>	Result := #0;
1917		end;
1918
1919	<	{ TBatchSymbolStream }
1845	<
1846	<	function TBatchSymbolStream.GetErrorPrefix: string;
1919	>	function TBatchSQLStatementReader.GetErrorPrefix: string;
1920		begin
1921		Result := Format(sOnLineError,[FLineIndex,FIndex]);
1922		end;
1923
1924	<	function TBatchSymbolStream.GetNextLine(var Line: string): boolean;
1852	<	begin
1853	<	Result := FLineIndex < FLines.Count;
1854	<	if Result then
1855	<	begin
1856	<	Line := FLines[FLineIndex];
1857	<	//    writeln('Next Line = ',Line);
1858	<	Inc(FLineIndex);
1859	<	if assigned(OnProgressEvent) then
1860	<	OnProgressEvent(self,false,1);
1861	<	end;
1862	<	end;
1863	<
1864	<	constructor TBatchSymbolStream.Create;
1924	>	procedure TBatchSQLStatementReader.Reset;
1925		begin
1926	<	inherited Create;
1927	<	FLines := TStringList.Create;
1928	<	end;
1929	<
1930	<	destructor TBatchSymbolStream.Destroy;
1931	<	begin
1932	<	if assigned(FLines) then FLines.Free;
1933	<	inherited Destroy;
1934	<	end;
1935	<
1936	<	procedure TBatchSymbolStream.SetStreamSource(Lines: TStrings);
1937	<	begin
1938	<	FLineIndex := 0;
1939	<	FLines.Assign(Lines);
1926	>	inherited Reset;
1927	>	if FOwnsInStream and assigned(FInStream) then
1928	>	FInStream.Free;
1929	>	FInStream := nil;
1930	>	FOwnsInStream := false;
1931	>	FLineIndex := 1;
1932	>	FIndex := 1;
1933	>	FCurLine := '';
1934	>	end;
1935	>
1936	>	procedure TBatchSQLStatementReader.SetStreamSource(Lines: TStrings);
1937	>	begin
1938	>	Reset;
1939	>	FInStream := TMemoryStream.Create;
1940	>	FOwnsInStream := true;
1941	>	Lines.SaveToStream(FInStream);
1942	>	FInStream.Position := 0;
1943		if assigned(OnProgressEvent) then
1944	<	OnProgressEvent(self,true,FLines.Count);
1944	>	OnProgressEvent(self,true,FInStream.Size);
1945		end;
1946
1947	<	procedure TBatchSymbolStream.SetStreamSource(S: TStream);
1947	>	procedure TBatchSQLStatementReader.SetStreamSource(S: TStream);
1948		begin
1949	<	FLineIndex := 0;
1950	<	FLines.LoadFromStream(S);
1949	>	Reset;
1950	>	FInStream := S;
1951		if assigned(OnProgressEvent) then
1952	<	OnProgressEvent(self,true,FLines.Count);
1952	>	OnProgressEvent(self,true,S.Size - S.Position);
1953		end;
1954
1955	<	procedure TBatchSymbolStream.SetStreamSource(FileName: string);
1955	>	procedure TBatchSQLStatementReader.SetStreamSource(FileName: string);
1956		begin
1957	<	FLineIndex := 0;
1958	<	FLines.LoadFromFile(FileName);
1957	>	Reset;
1958	>	FInStream := TFileStream.Create(FileName,fmShareCompat);
1959	>	FOwnsInStream := true;
1960		if assigned(OnProgressEvent) then
1961	<	OnProgressEvent(self,true,FLines.Count);
1898	<	end;
1899	<
1900	<	{ TSymbolStream }
1901	<
1902	<	function TSymbolStream.GetNextSymbol(C: char): TSQLSymbol;
1903	<	begin
1904	<	Result := sqNone;
1905	<	if C = FTerminator then
1906	<	Result := sqTerminator
1907	<	else
1908	<	case C of
1909	<	#0..#8,#10..#31,' ':
1910	<	Result := ' ';
1911	<
1912	<	#9,';','"','''','/','-',
1913	<	'*','=','>','<',',':
1914	<	Result := C;
1915	<	else
1916	<	begin
1917	<	Result := sqString;
1918	<	FLastChar := C
1919	<	end
1920	<	end;
1921	<	end;
1922	<
1923	<	function TSymbolStream.FindTag(tag: string; var xmlTag: TXMLTag): boolean;
1924	<	var i: integer;
1925	<	begin
1926	<	Result := false;
1927	<	for i := 0 to Length(XMLTagDefs) - 1 do
1928	<	if XMLTagDefs[i].TagValue = tag then
1929	<	begin
1930	<	xmlTag := XMLTagDefs[i].XMLTag;
1931	<	Result := true;
1932	<	break;
1933	<	end;
1934	<	end;
1935	<
1936	<	constructor TSymbolStream.Create;
1937	<	begin
1938	<	inherited;
1939	<	FTerminator := DefaultTerminator;
1940	<	NextStatement;
1941	<	end;
1942	<
1943	<	procedure TSymbolStream.ShowError(msg: string; params: array of const);
1944	<	begin
1945	<	raise EIBClientError.CreateFmt(GetErrorPrefix + msg,params);
1946	<	end;
1947	<
1948	<	function TSymbolStream.GetSymbol: TSQLSymbol;
1949	<	var
1950	<	DelimitedText: string;
1951	<	CurState: (gsNone,gsInComment,gsInSingleQuotes,gsInDoubleQuotes);
1952	<	begin
1953	<	Result := sqNone;
1954	<	CurState := gsNone;
1955	<	DelimitedText := '';
1956	<	if FNextSymbol <> sqNone then
1957	<	begin
1958	<	Result := FNextSymbol;
1959	<	if Result = sqString then
1960	<	FString := FLastChar
1961	<	else
1962	<	FString := '';
1963	<	FNextSymbol := sqNone
1964	<	end;
1965	<
1966	<	while FNextSymbol = sqNone do {find the next symbol}
1967	<	begin
1968	<	if FIndex > Length(FLine) then
1969	<	begin
1970	<	FNextSymbol := sqEOL;
1971	<	FIndex := 0;
1972	<	end
1973	<	else
1974	<	begin
1975	<	if FIndex = 0 then
1976	<	begin
1977	<	if not GetNextLine(FLine) then
1978	<	begin
1979	<	Result := sqEOF;
1980	<	FNextSymbol := sqNone;
1981	<	Exit;
1982	<	end;
1983	<	FIndex := 1;
1984	<	FNextStatement := false;
1985	<	if assigned(OnNextLine) then
1986	<	OnNextLine(self,FLine);
1987	<	if CurState <> gsNone then
1988	<	DelimitedText += LineEnding;
1989	<	if Length(FLine) = 0 then
1990	<	continue;
1991	<	end;
1992	<	if CurState <> gsNone then
1993	<	DelimitedText += FLine[FIndex];
1994	<	FNextSymbol := GetNextSymbol(FLine[FIndex]);
1995	<	Inc(FIndex);
1996	<	end;
1997	<
1998	<	case CurState of
1999	<	gsNone:
2000	<	begin
2001	<	{combine if possible}
2002	<	case Result of
2003	<	sqNone:
2004	<	begin
2005	<	Result := FNextSymbol;
2006	<	if FNextSymbol = sqString then
2007	<	FString := FLastChar;
2008	<	FNextSymbol := sqNone
2009	<	end;
2010	<
2011	<	'/':
2012	<	if FXMLMode > 0 then
2013	<	break
2014	<	else
2015	<	if FNextSymbol = '*' then
2016	<	begin
2017	<	CurState := gsInComment;
2018	<	DelimitedText := '/*';
2019	<	Result := sqNone;
2020	<	FNextSymbol := sqNone
2021	<	end
2022	<	else
2023	<	if FNextSymbol = '/' then
2024	<	begin
2025	<	FString := '/*' + system.copy(FLine,FIndex,length(FLine)- FIndex + 1) + ' */';
2026	<	Result := sqCommentLine;
2027	<	FIndex := 0;
2028	<	FNextSymbol := sqNone
2029	<	end;
2030	<
2031	<	'-':
2032	<	if FXMLMode > 0 then
2033	<	break
2034	<	else
2035	<	if FNextSymbol = '-' then
2036	<	begin
2037	<	FString := '--' + system.copy(FLine,FIndex,length(FLine)- FIndex + 1) ;
2038	<	Result := sqCommentLine;
2039	<	FIndex := 0;
2040	<	FNextSymbol := sqNone
2041	<	end;
2042	<
2043	<	'<':
2044	<	if (FXMLMode > 0) and (FNextSymbol = '/') then
2045	<	begin
2046	<	Result := sqEndTag;
2047	<	FString := '';
2048	<	FNextSymbol := sqNone
2049	<	end
2050	<	else
2051	<	if FNextSymbol = sqString then
2052	<	begin
2053	<	Result := sqTag;
2054	<	FString := FLastChar;
2055	<	FNextSymbol := sqNone
2056	<	end;
2057	<
2058	<	'''':
2059	<	if FXMLMode > 0 then
2060	<	break
2061	<	else
2062	<	if FNextSymbol = '''' then
2063	<	begin
2064	<	Result := sqQuotedString;
2065	<	FString := '''''';
2066	<	FNextSymbol := sqNone
2067	<	end
2068	<	else
2069	<	begin
2070	<	CurState := gsInSingleQuotes;
2071	<	DelimitedText := '''';
2072	<	if FNextSymbol = sqEOL then
2073	<	DelimitedText += LineEnding
2074	<	else
2075	<	DelimitedText += FLine[FIndex-1];
2076	<	Result := sqNone;
2077	<	FNextSymbol := sqNone
2078	<	end;
2079	<
2080	<	'"':
2081	<	if FXMLMode > 0 then
2082	<	break
2083	<	else
2084	<	begin
2085	<	CurState := gsInDoubleQuotes;
2086	<	DelimitedText := '"';
2087	<	if FNextSymbol = sqEOL then
2088	<	DelimitedText += LineEnding
2089	<	else
2090	<	DelimitedText += FLine[FIndex-1];
2091	<	Result := sqNone;
2092	<	FNextSymbol := sqNone
2093	<	end;
2094	<
2095	<	sqTag,
2096	<	sqEndTag,
2097	<	sqString:
2098	<	if FNextSymbol = sqString then
2099	<	begin
2100	<	FString := FString + FLastChar;
2101	<	FNextSymbol := sqNone
2102	<	end;
2103	<	end
2104	<	end;
2105	<
2106	<	{Check for state exit condition}
2107	<	gsInSingleQuotes:
2108	<	if Result = '''' then
2109	<	begin
2110	<	CurState := gsNone;
2111	<	if FNextSymbol = sqEOL then
2112	<	FString := DelimitedText
2113	<	else
2114	<	FString := system.copy(DelimitedText,1,Length(DelimitedText)-1);
2115	<	Result := sqQuotedString;
2116	<	end;
2117	<
2118	<	gsInDoubleQuotes:
2119	<	if Result = '"' then
2120	<	begin
2121	<	CurState := gsNone;
2122	<	if FNextSymbol = sqEOL then
2123	<	FString := DelimitedText
2124	<	else
2125	<	FString := system.copy(DelimitedText,1,Length(DelimitedText)-1);
2126	<	Result := sqDoubleQuotedString;
2127	<	end;
2128	<
2129	<	gsInComment:
2130	<	if (Result = '*') and (FNextSymbol = '/') then
2131	<	begin
2132	<	CurState := gsNone;
2133	<	FString := DelimitedText;
2134	<	Result := sqComment;
2135	<	FNextSymbol := sqNone
2136	<	end;
2137	<
2138	<	end;
2139	<
2140	<	if (CurState <> gsNone) and (FNextSymbol <> sqNone) then
2141	<	begin
2142	<	Result := FNextSymbol;
2143	<	FNextSymbol := sqNone;
2144	<	end;
2145	<	end;
2146	<
2147	<	if (Result = sqTag) and (FNextSymbol <> sqNone) then
2148	<	begin
2149	<	if FindTag(FString,FXMLTag) then
2150	<	Inc(FXMLMode)
2151	<	else
2152	<	Result := sqString;
2153	<	end
2154	<	else
2155	<	if (Result = sqEndTag) and (FNextSymbol <> sqNone) then
2156	<	begin
2157	<	if FindTag(FString,FXMLTag) then
2158	<	Dec(FXMLMode)
2159	<	else
2160	<	Result := sqString;
2161	<	end;
2162	<
2163	<	if (FXMLMode = 0) and (Result = sqString) and (FString <> '') then
2164	<	begin
2165	<	if CompareText(FString,'begin') = 0 then
2166	<	Result := sqBegin
2167	<	else
2168	<	if CompareText(FString,'end') = 0 then
2169	<	Result := sqEnd
2170	<	else
2171	<	if CompareText(FString,'declare') = 0 then
2172	<	Result := sqDeclare
2173	<	else
2174	<	if CompareText(FString,'case') = 0 then
2175	<	Result := sqCase
2176	<	end;
2177	<	//  writeln(Result,',',FString);
1961	>	OnProgressEvent(self,true,FInStream.Size);
1962		end;
1963
1964	<	procedure TSymbolStream.NextStatement;
1964	>	procedure TBatchSQLStatementReader.SetStringStreamSource(S: string);
1965		begin
1966	<	FXMLTag := xtNone;
1967	<	FNextStatement := true;
1966	>	Reset;
1967	>	FInStream := TStringStream.Create(S);
1968	>	FOwnsInStream := true;
1969	>	if assigned(OnProgressEvent) then
1970	>	OnProgressEvent(self,true,FInStream.Size);
1971		end;
1972
1973		end.

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