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; |
73 |
– |
TOnProgressEvent = procedure (Sender: TObject; Reset: boolean; value: integer) of object; |
74 |
– |
|
75 |
– |
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 |
– |
); |
86 |
– |
|
87 |
– |
type |
39 |
|
|
40 |
< |
{ TSymbolStream } |
40 |
> |
{ TSQLStatementReader } |
41 |
|
|
42 |
< |
{A simple lookahead one parser to process a text stream as a stream of symbols. |
43 |
< |
This is an abstract object, subclassed for different sources.} |
44 |
< |
|
45 |
< |
TSymbolStream = class |
42 |
> |
TSQLStatementReader = class(TSQLXMLReader) |
43 |
> |
private |
44 |
> |
type |
45 |
> |
TSQLState = (stDefault, stInStmt, stInBlock, stInArrayDim, stInDeclare); |
46 |
|
private |
47 |
< |
FNextSymbol: TSQLSymbol; |
47 |
> |
FDatabase: TIBDatabase; |
48 |
> |
FHasBegin: boolean; |
49 |
|
FOnNextLine: TOnNextLine; |
98 |
– |
FOnProgressEvent: TOnProgressEvent; |
50 |
|
FTerminator: char; |
51 |
< |
FLastChar: char; |
101 |
< |
FIndex: integer; |
102 |
< |
FLine: string; |
103 |
< |
FString: string; |
104 |
< |
FXMLTag: TXMLTag; |
105 |
< |
FXMLMode: integer; |
51 |
> |
FTransaction: TIBTransaction; |
52 |
|
protected |
53 |
< |
FNextStatement: boolean; |
54 |
< |
function GetErrorPrefix: string; virtual; abstract; |
55 |
< |
function GetNextSymbol(C: char): TSQLSymbol; |
110 |
< |
function FindTag(tag: string; var xmlTag: TXMLTag): boolean; |
111 |
< |
function GetNextLine(var Line: string):boolean; virtual; abstract; |
53 |
> |
procedure EchoNextLine(aLine: string); |
54 |
> |
function GetAttachment: IAttachment; override; |
55 |
> |
function GetTransaction: ITransaction; override; |
56 |
|
public |
57 |
|
constructor Create; |
58 |
< |
procedure ShowError(msg: string; params: array of const); |
59 |
< |
function GetSymbol: TSQLSymbol; virtual; |
60 |
< |
procedure NextStatement; |
117 |
< |
property SymbolValue: string read FString; |
118 |
< |
property Terminator: char read FTerminator write FTerminator; |
119 |
< |
property XMLTag: TXMLTag read FXMLTag; |
58 |
> |
function GetNextStatement(var stmt: string) : boolean; virtual; |
59 |
> |
property HasBegin: boolean read FHasBegin; |
60 |
> |
property Terminator: char read FTerminator write FTerminator default DefaultTerminator; |
61 |
|
property OnNextLine: TOnNextLine read FOnNextLine write FOnNextLine; |
62 |
< |
property OnProgressEvent: TOnProgressEvent read FOnProgressEvent write FOnProgressEvent; {Progress Bar Support} |
62 |
> |
property Database: TIBDatabase read FDatabase write FDatabase; |
63 |
> |
property Transaction: TIBTransaction read FTransaction write FTransaction; |
64 |
|
end; |
65 |
|
|
124 |
– |
{ TBatchSymbolStream } |
66 |
|
|
67 |
< |
{This symbol stream supports non-interactive parsing of a text file, stream or |
67 |
> |
{ TBatchSQLStatementReader } |
68 |
> |
|
69 |
> |
{This SQL Reader supports non-interactive parsing of a text file, stream or |
70 |
|
lines of text.} |
71 |
|
|
72 |
< |
TBatchSymbolStream = class(TSymbolStream) |
72 |
> |
TBatchSQLStatementReader = class(TSQLStatementReader) |
73 |
|
private |
74 |
< |
FLines: TStrings; |
74 |
> |
FInStream: TStream; |
75 |
> |
FOwnsInStream: boolean; |
76 |
|
FLineIndex: integer; |
77 |
+ |
FIndex: integer; |
78 |
+ |
FCurLine: string; |
79 |
|
protected |
80 |
< |
function GetErrorPrefix: string; override; |
81 |
< |
function GetNextLine(var Line: string):boolean; override; |
80 |
> |
function GetChar: AnsiChar; override; |
81 |
> |
function GetErrorPrefix: AnsiString; override; |
82 |
|
public |
83 |
< |
constructor Create; |
138 |
< |
destructor Destroy; override; |
83 |
> |
procedure Reset; override; |
84 |
|
procedure SetStreamSource(Lines: TStrings); overload; |
85 |
|
procedure SetStreamSource(S: TStream); overload; |
86 |
|
procedure SetStreamSource(FileName: string); overload; |
87 |
+ |
procedure SetStringStreamSource(S: string); |
88 |
|
end; |
89 |
|
|
90 |
< |
{ TInteractiveSymbolStream } |
90 |
> |
{ TInteractiveSQLStatementReader } |
91 |
|
|
92 |
< |
{This symbol stream supports interactive parsing of commands and |
92 |
> |
{This SQL reader supports interactive parsing of commands and |
93 |
|
SQL statements entered at a console} |
94 |
|
|
95 |
< |
TInteractiveSymbolStream = class(TSymbolStream) |
95 |
> |
TInteractiveSQLStatementReader = class(TSQLStatementReader) |
96 |
|
private |
97 |
|
FPrompt: string; |
98 |
|
FContinuePrompt: string; |
99 |
|
FTerminated: boolean; |
100 |
+ |
FLine: string; |
101 |
+ |
FLineIndex: integer; |
102 |
+ |
FNextStatement: boolean; |
103 |
+ |
function GetNextLine(var Line: string):boolean; |
104 |
|
protected |
105 |
< |
function GetErrorPrefix: string; override; |
106 |
< |
function GetNextLine(var Line: string):boolean; override; |
105 |
> |
function GetChar: AnsiChar; override; |
106 |
> |
function GetErrorPrefix: AnsiString; override; |
107 |
|
public |
108 |
|
constructor Create(aPrompt: string='SQL>'; aContinue: string = 'CON>'); |
109 |
< |
function GetSymbol: TSQLSymbol; override; |
109 |
> |
function GetNextStatement(var stmt: string) : boolean; override; |
110 |
|
property Terminated: boolean read FTerminated write FTerminated; |
111 |
|
end; |
112 |
|
|
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 |
– |
|
113 |
|
TGetParamValue = procedure(Sender: TObject; ParamName: string; var BlobID: TISC_QUAD) of object; |
114 |
|
TLogEvent = procedure(Sender: TObject; Msg: string) of Object; |
115 |
|
TOnSelectSQL = procedure (Sender: TObject; SQLText: string) of object; |
131 |
|
TCustomIBXScript = class(TComponent) |
132 |
|
private |
133 |
|
FEcho: boolean; |
134 |
< |
FIBXMLProcessor: TIBXMLProcessor; |
276 |
< |
FIBSQLProcessor: TIBSQLProcessor; |
134 |
> |
FSQLReader: TSQLStatementReader; |
135 |
|
FDatabase: TIBDatabase; |
136 |
|
FDataOutputFormatter: TIBCustomDataOutput; |
137 |
|
FIgnoreCreateDatabase: boolean; |
160 |
|
procedure SetShowPerformanceStats(AValue: boolean); |
161 |
|
procedure SetTransaction(AValue: TIBTransaction); |
162 |
|
protected |
305 |
– |
FSymbolStream: TSymbolStream; |
163 |
|
procedure Add2Log(const Msg: string; IsError: boolean=true); virtual; |
164 |
|
procedure ExecSQL(stmt: string); |
165 |
|
procedure EchoNextLine(Sender: TObject; Line: string); |
166 |
|
procedure Notification(AComponent: TComponent; Operation: TOperation); override; |
167 |
|
function ProcessStatement(stmt: string): boolean; virtual; |
168 |
|
function ProcessStream: boolean; |
169 |
+ |
procedure SetSQLStatementReader(SQLStatementReader: TSQLStatementReader); |
170 |
|
public |
171 |
|
constructor Create(aOwner: TComponent); override; |
172 |
|
destructor Destroy; override; |
173 |
|
procedure DefaultSelectSQLHandler(aSQLText: string); |
174 |
+ |
property SQLStatementReader: TSQLStatementReader read FSQLReader; |
175 |
|
published |
176 |
|
property Database: TIBDatabase read FDatabase write SetDatabase; |
177 |
|
property DataOutputFormatter: TIBCustomDataOutput read FDataOutputFormatter |
278 |
|
function ExecSQLScript(sql: string): boolean; |
279 |
|
end; |
280 |
|
|
422 |
– |
function StringToHex(octetString: string; MaxLineLength: integer=0): string; overload; |
423 |
– |
procedure StringToHex(octetString: string; TextOut: TStrings; MaxLineLength: integer=0); overload; |
424 |
– |
|
281 |
|
|
282 |
|
resourcestring |
283 |
|
sInvalidSetStatement = 'Invalid %s Statement - %s'; |
284 |
+ |
sInvalidCharacterSet = 'Unrecognised character set name - "%s"'; |
285 |
+ |
sOnLineError = 'On Line %d Character %d: '; |
286 |
|
|
287 |
|
implementation |
288 |
|
|
289 |
|
uses Sysutils, RegExpr; |
290 |
|
|
291 |
|
resourcestring |
434 |
– |
sTerminatorUnknownState = 'Statement Terminator in unexpected state (%d)'; |
292 |
|
sNoSelectSQL = 'Select SQL Statements are not supported'; |
436 |
– |
sStackUnderflow = 'Stack Underflow'; |
293 |
|
sNoParamQueries = 'Parameterised Queries are not supported'; |
438 |
– |
sStackOverFlow = 'Stack Overflow'; |
294 |
|
sResolveQueryParam = 'Resolving Query Parameter: %s'; |
440 |
– |
sXMLStackUnderflow = 'XML Stack Underflow'; |
441 |
– |
sInvalidEndTag = 'XML End Tag Mismatch - %s'; |
442 |
– |
sXMLStackOverFlow = 'XML Stack Overflow'; |
443 |
– |
sErrorState = 'Entered Error State'; |
444 |
– |
sXMLError = 'Invalid XML (%c)'; |
445 |
– |
sXMLAttributeError = 'Unexpected attribute - "%s" = "%s"'; |
446 |
– |
sInvalidBoundsList = 'Invalid array bounds list - "%s"'; |
447 |
– |
sBinaryBlockMustbeEven = 'Binary block must have an even number of characters'; |
448 |
– |
sInvalidCharacterSet = 'Unrecognised character set name - "%s"'; |
449 |
– |
sOnLineError = 'On Line %d Character %d: '; |
450 |
– |
sArrayIndexError = 'Array Index Error (%d)'; |
451 |
– |
sBlobIndexError = 'Blob Index Error (%d)'; |
295 |
|
sStatementError = 'Error processing SQL statement: %s %s - for statement "%s"'; |
296 |
|
|
297 |
< |
function StringToHex(octetString: string; MaxLineLength: integer): string; overload; |
297 |
> |
{ TSQLStatementReader } |
298 |
|
|
299 |
< |
function ToHex(aValue: byte): string; |
300 |
< |
const |
301 |
< |
HexChars: array [0..15] of char = '0123456789ABCDEF'; |
302 |
< |
begin |
303 |
< |
Result := HexChars[aValue shr 4] + |
461 |
< |
HexChars[(aValue and $0F)]; |
462 |
< |
end; |
299 |
> |
procedure TSQLStatementReader.EchoNextLine(aLine: string); |
300 |
> |
begin |
301 |
> |
if assigned(FOnNextLine) then |
302 |
> |
OnNextLine(self,aLine); |
303 |
> |
end; |
304 |
|
|
305 |
< |
var i, j: integer; |
305 |
> |
function TSQLStatementReader.GetAttachment: IAttachment; |
306 |
|
begin |
307 |
< |
i := 1; |
308 |
< |
Result := ''; |
468 |
< |
if MaxLineLength = 0 then |
469 |
< |
while i <= Length(octetString) do |
470 |
< |
begin |
471 |
< |
Result += ToHex(byte(octetString[i])); |
472 |
< |
Inc(i); |
473 |
< |
end |
307 |
> |
if FDatabase <> nil then |
308 |
> |
Result := FDatabase.Attachment |
309 |
|
else |
310 |
< |
while i <= Length(octetString) do |
311 |
< |
begin |
312 |
< |
for j := 1 to MaxLineLength do |
310 |
> |
Result := nil; |
311 |
> |
end; |
312 |
> |
|
313 |
> |
function TSQLStatementReader.GetTransaction: ITransaction; |
314 |
> |
begin |
315 |
> |
if FTransaction <> nil then |
316 |
> |
Result := FTransaction.TransactionIntf |
317 |
> |
else |
318 |
> |
Result := nil; |
319 |
> |
end; |
320 |
> |
|
321 |
> |
constructor TSQLStatementReader.Create; |
322 |
> |
begin |
323 |
> |
inherited Create; |
324 |
> |
Terminator := DefaultTerminator; |
325 |
> |
end; |
326 |
> |
|
327 |
> |
function TSQLStatementReader.GetNextStatement(var stmt: string): boolean; |
328 |
> |
var State: TSQLState; |
329 |
> |
Nested: integer; |
330 |
> |
token: TSQLTokens; |
331 |
> |
EndOfStatement: boolean; |
332 |
> |
begin |
333 |
> |
FHasBegin := false; |
334 |
> |
EndOfStatement := false; |
335 |
> |
Nested := 0; |
336 |
> |
stmt := ''; |
337 |
> |
State := stDefault; |
338 |
> |
while not EOF and not EndOfStatement do |
339 |
> |
begin |
340 |
> |
token := GetNextToken; |
341 |
> |
// writeln(token,' ',TokenText,' ',Terminator); |
342 |
> |
case State of |
343 |
> |
stDefault: |
344 |
> |
{ignore everything before a reserved word} |
345 |
> |
if (token <= high(TSQLReservedWords)) or (token = sqltIdentifier) then |
346 |
> |
begin |
347 |
> |
State := stInStmt; |
348 |
> |
stmt += TokenText; |
349 |
> |
end; |
350 |
> |
|
351 |
> |
stInStmt: |
352 |
> |
begin |
353 |
> |
case token of |
354 |
> |
sqltBegin: |
355 |
> |
begin |
356 |
> |
FHasBegin := true; |
357 |
> |
State := stInBlock; |
358 |
> |
Nested := 1; |
359 |
> |
stmt += TokenText; |
360 |
> |
end; |
361 |
> |
|
362 |
> |
sqltDeclare: |
363 |
> |
begin |
364 |
> |
State := stInDeclare; |
365 |
> |
stmt += TokenText; |
366 |
> |
end; |
367 |
> |
|
368 |
> |
sqltOpenSquareBracket: |
369 |
> |
begin |
370 |
> |
State := stInArrayDim; |
371 |
> |
stmt += TokenText; |
372 |
> |
end; |
373 |
> |
|
374 |
> |
sqltComment: |
375 |
> |
stmt += '/*' + TokenText + '*/'; |
376 |
> |
|
377 |
> |
sqltCommentLine: |
378 |
> |
stmt += '/*' + TokenText + ' */' + LineEnding; |
379 |
> |
|
380 |
> |
sqltQuotedString: |
381 |
> |
stmt += '''' + SQLSafeString(TokenText) + ''''; |
382 |
> |
|
383 |
> |
sqltIdentifierInDoubleQuotes: |
384 |
> |
stmt += '"' + TokenText + '"'; |
385 |
> |
|
386 |
> |
sqltEOL: |
387 |
> |
stmt += LineEnding; |
388 |
> |
|
389 |
> |
else |
390 |
> |
begin |
391 |
> |
if (tokentext = Terminator) and (Nested = 0) then |
392 |
> |
begin |
393 |
> |
EndOfStatement := true; |
394 |
> |
State := stDefault; |
395 |
> |
end |
396 |
> |
else |
397 |
> |
stmt += TokenText; |
398 |
> |
end; |
399 |
> |
end; |
400 |
> |
end; |
401 |
> |
|
402 |
> |
{ignore begin..end blocks for Terminator detection } |
403 |
> |
|
404 |
> |
stInBlock: |
405 |
> |
begin |
406 |
> |
case token of |
407 |
> |
sqltBegin: |
408 |
> |
begin |
409 |
> |
Inc(Nested); |
410 |
> |
stmt += TokenText; |
411 |
> |
end; |
412 |
> |
|
413 |
> |
sqltEnd: |
414 |
> |
begin |
415 |
> |
Dec(Nested); |
416 |
> |
stmt += TokenText; |
417 |
> |
if Nested = 0 then |
418 |
> |
begin |
419 |
> |
State := stDefault; |
420 |
> |
EndOfStatement := true; |
421 |
> |
end; |
422 |
> |
end; |
423 |
> |
|
424 |
> |
sqltCase: |
425 |
> |
{case constructs can appear within select statement in nested blocks. |
426 |
> |
We need to match the case constructs END token in order to parse the |
427 |
> |
block correctly. This is a simple parser and the only objective is |
428 |
> |
to determine the correct end of block. We therefore do not check to |
429 |
> |
ensure that the next end properly matches the case. The CASE is thus |
430 |
> |
treated the same as BEGIN. The Firebird SQL Parser will flag any errors |
431 |
> |
due to mismatched CASE/BEGIN END} |
432 |
> |
begin |
433 |
> |
Inc(Nested); |
434 |
> |
stmt += TokenText; |
435 |
> |
end; |
436 |
> |
|
437 |
> |
sqltComment: |
438 |
> |
stmt += '/*' + TokenText + '*/'; |
439 |
> |
|
440 |
> |
sqltCommentLine: |
441 |
> |
stmt += '/* ' + TokenText + ' */' + LineEnding; |
442 |
> |
|
443 |
> |
sqltQuotedString: |
444 |
> |
stmt += '''' + SQLSafeString(TokenText) + ''''; |
445 |
> |
|
446 |
> |
sqltIdentifierInDoubleQuotes: |
447 |
> |
stmt += '"' + TokenText + '"'; |
448 |
> |
|
449 |
> |
sqltEOL: |
450 |
> |
stmt += LineEnding; |
451 |
> |
|
452 |
> |
else |
453 |
> |
stmt += TokenText; |
454 |
> |
end; |
455 |
> |
end; |
456 |
> |
|
457 |
> |
{ignore array dimensions for Terminator detection } |
458 |
> |
|
459 |
> |
stInArrayDim: |
460 |
|
begin |
461 |
< |
if i > Length(octetString) then |
462 |
< |
Exit |
461 |
> |
case token of |
462 |
> |
|
463 |
> |
sqltComment: |
464 |
> |
stmt += '/*' + TokenText + '*/'; |
465 |
> |
|
466 |
> |
sqltCommentLine: |
467 |
> |
stmt += '/* ' + TokenText + ' */' + LineEnding; |
468 |
> |
|
469 |
> |
sqltCloseSquareBracket: |
470 |
> |
begin |
471 |
> |
stmt += TokenText; |
472 |
> |
State := stInStmt; |
473 |
> |
end; |
474 |
> |
|
475 |
> |
sqltEOL: |
476 |
> |
stmt += LineEnding; |
477 |
> |
|
478 |
|
else |
479 |
< |
Result += ToHex(byte(octetString[i])); |
480 |
< |
inc(i); |
479 |
> |
stmt += TokenText; |
480 |
> |
end; |
481 |
|
end; |
485 |
– |
Result += LineEnding; |
486 |
– |
end; |
487 |
– |
end; |
482 |
|
|
483 |
< |
procedure StringToHex(octetString: string; TextOut: TStrings; MaxLineLength: integer); overload; |
484 |
< |
begin |
485 |
< |
TextOut.Add(StringToHex(octetString,MaxLineLength)); |
483 |
> |
{ignore Declare statement for terminator - semi-colon terminates declaration} |
484 |
> |
|
485 |
> |
stInDeclare: |
486 |
> |
begin |
487 |
> |
case token of |
488 |
> |
|
489 |
> |
sqltComment: |
490 |
> |
stmt += '/*' + TokenText + '*/'; |
491 |
> |
|
492 |
> |
sqltCommentLine: |
493 |
> |
stmt += '/* ' + TokenText + ' */' + LineEnding; |
494 |
> |
|
495 |
> |
sqltQuotedString: |
496 |
> |
stmt += '''' + SQLSafeString(TokenText) + ''''; {exists some DECLARE with cursor having SELECT ...\... rc.rdb$constraint_type = 'PRIMARY KEY');} |
497 |
> |
|
498 |
> |
sqltSemiColon: |
499 |
> |
begin |
500 |
> |
State := stInStmt; |
501 |
> |
stmt += TokenText; |
502 |
> |
end; |
503 |
> |
|
504 |
> |
sqltEOL: |
505 |
> |
stmt += LineEnding; |
506 |
> |
|
507 |
> |
else |
508 |
> |
stmt += TokenText; |
509 |
> |
end; |
510 |
> |
end; |
511 |
> |
end; |
512 |
> |
// writeln(stmt); |
513 |
> |
end; |
514 |
> |
Result := stmt <> ''; |
515 |
|
end; |
516 |
|
|
517 |
|
|
521 |
|
constructor TIBXScript.Create(aOwner: TComponent); |
522 |
|
begin |
523 |
|
inherited Create(aOwner); |
524 |
< |
FSymbolStream := TBatchSymbolStream.Create; |
502 |
< |
FSymbolStream.OnNextLine := @EchoNextLine; |
524 |
> |
SetSQLStatementReader(TBatchSQLStatementReader.Create); |
525 |
|
end; |
526 |
|
|
527 |
|
function TIBXScript.PerformUpdate(SQLFile: string; aAutoDDL: boolean): boolean; |
539 |
|
|
540 |
|
function TIBXScript.RunScript(SQLFile: string): boolean; |
541 |
|
begin |
542 |
< |
TBatchSymbolStream(FSymbolStream).SetStreamSource(SQLFile); |
542 |
> |
TBatchSQLStatementReader(FSQLReader).SetStreamSource(SQLFile); |
543 |
|
Result := ProcessStream; |
544 |
|
end; |
545 |
|
|
546 |
|
function TIBXScript.RunScript(SQLStream: TStream): boolean; |
547 |
|
begin |
548 |
< |
TBatchSymbolStream(FSymbolStream).SetStreamSource(SQLStream); |
548 |
> |
TBatchSQLStatementReader(FSQLReader).SetStreamSource(SQLStream); |
549 |
|
Result := ProcessStream; |
550 |
|
end; |
551 |
|
|
552 |
|
function TIBXScript.RunScript(SQLLines: TStrings): boolean; |
553 |
|
begin |
554 |
< |
TBatchSymbolStream(FSymbolStream).SetStreamSource(SQLLines); |
554 |
> |
TBatchSQLStatementReader(FSQLReader).SetStreamSource(SQLLines); |
555 |
|
Result := ProcessStream; |
556 |
|
end; |
557 |
|
|
558 |
|
function TIBXScript.ExecSQLScript(sql: string): boolean; |
537 |
– |
var s: TStringList; |
559 |
|
begin |
560 |
< |
s := TStringList.Create; |
561 |
< |
try |
541 |
< |
s.Text := sql; |
542 |
< |
TBatchSymbolStream(FSymbolStream).SetStreamSource(s); |
543 |
< |
Result := ProcessStream; |
544 |
< |
finally |
545 |
< |
s.Free; |
546 |
< |
end; |
560 |
> |
TBatchSQLStatementReader(FSQLReader).SetStringStreamSource(sql); |
561 |
> |
Result := ProcessStream; |
562 |
|
end; |
563 |
|
|
564 |
|
{ TCustomIBXScript } |
576 |
|
procedure TCustomIBXScript.DoCommit; |
577 |
|
begin |
578 |
|
with GetTransaction do |
564 |
– |
begin |
579 |
|
if InTransaction then Commit; |
566 |
– |
Active := true; |
567 |
– |
end; |
580 |
|
end; |
581 |
|
|
582 |
|
procedure TCustomIBXScript.DoReconnect; |
571 |
– |
var LoginPrompt: boolean; |
583 |
|
begin |
584 |
|
with GetTransaction do |
585 |
|
if InTransaction then Commit; |
586 |
< |
LoginPrompt := Database.LoginPrompt; |
576 |
< |
Database.LoginPrompt := false; |
577 |
< |
Database.Connected := false; |
578 |
< |
Database.Connected := true; |
579 |
< |
Database.LoginPrompt := LoginPrompt; |
580 |
< |
GetTransaction.Active := true; |
586 |
> |
Database.Reconnect; |
587 |
|
end; |
588 |
|
|
589 |
|
procedure TCustomIBXScript.ExecSQL(stmt: string); |
594 |
|
FISQL.SQL.Text := stmt; |
595 |
|
FISQL.Transaction := GetTransaction; |
596 |
|
FISQL.Transaction.Active := true; |
597 |
< |
FISQL.ParamCheck := not FIBSQLProcessor.HasBegin; {Probably PSQL} |
597 |
> |
// FISQL.ParamCheck := not FSQLReader.HasBegin; {Probably PSQL} |
598 |
|
FISQL.Prepare; |
599 |
|
FISQL.Statement.EnableStatistics(ShowPerformanceStats); |
600 |
|
|
633 |
|
|
634 |
|
function TCustomIBXScript.GetOnProgressEvent: TOnProgressEvent; |
635 |
|
begin |
636 |
< |
Result := FSymbolStream.OnProgressEvent; |
636 |
> |
Result := FSQLReader.OnProgressEvent; |
637 |
|
end; |
638 |
|
|
639 |
|
function TCustomIBXScript.GetTransaction: TIBTransaction; |
666 |
|
if not (csLoading in ComponentState) and (FDatabase = AValue) then Exit; |
667 |
|
FDatabase := AValue; |
668 |
|
FISQL.Database := AValue; |
663 |
– |
FIBXMLProcessor.Database := AValue; |
669 |
|
FInternalTransaction.Active := false; |
670 |
|
FInternalTransaction.DefaultDatabase := AValue; |
671 |
|
end; |
682 |
|
|
683 |
|
procedure TCustomIBXScript.SetOnProgressEvent(AValue: TOnProgressEvent); |
684 |
|
begin |
685 |
< |
FSymbolStream.OnProgressEvent := AValue; |
685 |
> |
FSQLReader.OnProgressEvent := AValue; |
686 |
|
end; |
687 |
|
|
688 |
|
procedure TCustomIBXScript.SetParamValue(SQLVar: ISQLParam); |
689 |
|
var BlobID: TISC_QUAD; |
690 |
|
ix: integer; |
691 |
|
begin |
692 |
< |
if (SQLVar.SQLType = SQL_BLOB) and (Pos(ibx_blob,SQLVar.Name) = 1) then |
692 |
> |
if (SQLVar.SQLType = SQL_BLOB) and (Pos(TSQLXMLReader.ibx_blob,SQLVar.Name) = 1) then |
693 |
|
begin |
694 |
< |
ix := StrToInt(system.copy(SQLVar.Name,length(ibx_blob)+1,length(SQLVar.Name)-length(ibx_blob))); |
695 |
< |
SQLVar.AsBlob := FIBXMLProcessor.BlobData[ix].BlobIntf; |
694 |
> |
ix := StrToInt(system.copy(SQLVar.Name,length(TSQLXMLReader.ibx_blob)+1,length(SQLVar.Name)-length(TSQLXMLReader.ibx_blob))); |
695 |
> |
SQLVar.AsBlob := FSQLReader.BlobData[ix].BlobIntf; |
696 |
|
Exit; |
697 |
|
end |
698 |
|
else |
699 |
< |
if (SQLVar.SQLType = SQL_ARRAY) and (Pos(ibx_array,SQLVar.Name) = 1) then |
699 |
> |
if (SQLVar.SQLType = SQL_ARRAY) and (Pos(TSQLXMLReader.ibx_array,SQLVar.Name) = 1) then |
700 |
|
begin |
701 |
< |
ix := StrToInt(system.copy(SQLVar.Name,length(ibx_array)+1,length(SQLVar.Name)-length(ibx_array))); |
702 |
< |
SQLVar.AsArray := FIBXMLProcessor.ArrayData[ix].ArrayIntf; |
701 |
> |
ix := StrToInt(system.copy(SQLVar.Name,length(TSQLXMLReader.ibx_array)+1,length(SQLVar.Name)-length(TSQLXMLReader.ibx_array))); |
702 |
> |
SQLVar.AsArray := FSQLReader.ArrayData[ix].ArrayIntf; |
703 |
|
Exit; |
704 |
|
end; |
705 |
|
|
728 |
|
var stmt: string; |
729 |
|
begin |
730 |
|
Result := false; |
731 |
< |
while FIBSQLProcessor.GetNextStatement(FSymbolStream,stmt) do |
731 |
> |
FSQLReader.Database := Database; |
732 |
> |
if FTransaction = nil then |
733 |
> |
FSQLReader.Transaction := FInternalTransaction |
734 |
> |
else |
735 |
> |
FSQLReader.Transaction := FTransaction; |
736 |
> |
while FSQLReader.GetNextStatement(stmt) do |
737 |
|
try |
738 |
< |
// writeln('stmt = ',stmt); |
739 |
< |
if trim(stmt) = '' then continue; |
738 |
> |
stmt := trim(stmt); |
739 |
> |
// writeln('stmt = "',stmt,'"'); |
740 |
> |
if stmt = '' then continue; |
741 |
|
if not ProcessStatement(stmt) then |
742 |
|
ExecSQL(stmt); |
743 |
|
|
745 |
|
begin |
746 |
|
with GetTransaction do |
747 |
|
if InTransaction then Rollback; |
748 |
< |
FSymbolStream.Terminator := DefaultTerminator; |
748 |
> |
FSQLReader.Terminator := TSQLStatementReader.DefaultTerminator; |
749 |
|
if assigned(OnErrorLog) then |
750 |
|
begin |
751 |
< |
Add2Log(Format(sStatementError,[FSymbolStream.GetErrorPrefix, |
751 |
> |
Add2Log(Format(sStatementError,[FSQLReader.GetErrorPrefix, |
752 |
|
E.Message,stmt]),true); |
753 |
|
if StopOnFirstError then Exit; |
754 |
|
end |
759 |
|
Result := true; |
760 |
|
end; |
761 |
|
|
762 |
+ |
procedure TCustomIBXScript.SetSQLStatementReader( |
763 |
+ |
SQLStatementReader: TSQLStatementReader); |
764 |
+ |
begin |
765 |
+ |
FSQLReader := SQLStatementReader; |
766 |
+ |
FSQLReader.OnNextLine := @EchoNextLine; |
767 |
+ |
end; |
768 |
+ |
|
769 |
|
function TCustomIBXScript.ProcessStatement(stmt: string): boolean; |
770 |
|
var command: string; |
753 |
– |
ucStmt: string; |
771 |
|
|
772 |
|
function Toggle(aValue: string): boolean; |
773 |
|
begin |
788 |
|
try |
789 |
|
RegexObj.ModifierG := false; {turn off greedy matches} |
790 |
|
RegexObj.Expression := ' +USER +''(.+)'''; |
791 |
< |
if RegexObj.Exec(ucStmt) then |
791 |
> |
if RegexObj.Exec(stmt) then |
792 |
|
FDatabase.Params.Values['user_name'] := RegexObj.Match[1]; |
793 |
|
|
794 |
|
RegexObj.Expression := ' +PASSWORD +''(.+)'''; |
795 |
< |
if RegexObj.Exec(ucStmt) then |
795 |
> |
if RegexObj.Exec(stmt) then |
796 |
|
FDatabase.Params.Values['password'] := |
797 |
|
system.copy(stmt,RegexObj.MatchPos[1],RegexObj.MatchLen[1]); |
798 |
|
finally |
807 |
|
RegexObj := TRegExpr.Create; |
808 |
|
try |
809 |
|
RegexObj.ModifierG := false; {turn off greedy matches} |
810 |
+ |
RegexObj.ModifierI := true; {case insensitive} |
811 |
|
RegexObj.Expression := '^ *CONNECT +''(.*)'''; |
812 |
< |
if RegexObj.Exec(ucStmt) then |
812 |
> |
if RegexObj.Exec(stmt) then |
813 |
|
begin |
814 |
|
FDatabase.DatabaseName := system.copy(stmt,RegexObj.MatchPos[1],RegexObj.MatchLen[1]); |
815 |
|
end; |
816 |
|
|
817 |
|
RegexObj.Expression := ' +ROLE +''(.+)'''; |
818 |
< |
if RegexObj.Exec(ucStmt) then |
818 |
> |
if RegexObj.Exec(stmt) then |
819 |
|
FDatabase.Params.Values['sql_role_name'] := RegexObj.Match[1] |
820 |
|
else |
821 |
|
with FDatabase.Params do |
823 |
|
Delete(IndexOfName('sql_role_name')); |
824 |
|
|
825 |
|
RegexObj.Expression := ' +CACHE +([0-9]+)'; |
826 |
< |
if RegexObj.Exec(ucStmt) then |
826 |
> |
if RegexObj.Exec(stmt) then |
827 |
|
FDatabase.Params.Values['cache_manager'] := RegexObj.Match[1] |
828 |
|
else |
829 |
|
with FDatabase.Params do |
840 |
|
RegexObj := TRegExpr.Create; |
841 |
|
try |
842 |
|
RegexObj.ModifierG := false; {turn off greedy matches} |
843 |
+ |
RegexObj.ModifierI := true; {case insensitive} |
844 |
|
RegexObj.Expression := '^ *CREATE +(DATABASE|SCHEMA) +(''.*'') +USER +''(.+)'''; |
845 |
< |
if not RegexObj.Exec(ucStmt) and (FDatabase.Params.IndexOfName('user_name') <> -1) then |
845 |
> |
if not RegexObj.Exec(stmt) and (FDatabase.Params.IndexOfName('user_name') <> -1) then |
846 |
|
begin |
847 |
|
RegexObj.Expression := '^ *CREATE +(DATABASE|SCHEMA) +(''.*'')'; |
848 |
< |
if RegexObj.Exec(ucStmt) then |
848 |
> |
if RegexObj.Exec(stmt) then |
849 |
|
begin |
850 |
|
system.Insert(' USER ''' + FDatabase.Params.Values['user_name'] +'''',stmt, |
851 |
|
RegexObj.MatchPos[2] + RegexObj.MatchLen[2]); |
833 |
– |
ucStmt := AnsiUpperCase(stmt); |
852 |
|
end; |
853 |
|
end; |
854 |
|
|
855 |
|
RegexObj.Expression := '^ *CREATE +(DATABASE|SCHEMA) +''.*'' +USER +''.+'' PASSWORD +''(.+)'''; |
856 |
< |
if not RegexObj.Exec(ucStmt) and (FDatabase.Params.IndexOfName('password') <> -1) then |
856 |
> |
if not RegexObj.Exec(stmt) and (FDatabase.Params.IndexOfName('password') <> -1) then |
857 |
|
begin |
858 |
|
RegexObj.Expression := '^ *CREATE +(DATABASE|SCHEMA) +''.*'' +(USER +''.+'')'; |
859 |
< |
if RegexObj.Exec(ucStmt) then |
859 |
> |
if RegexObj.Exec(stmt) then |
860 |
|
begin |
861 |
|
system.Insert(' PASSWORD ''' + FDatabase.Params.Values['password'] +'''',stmt, |
862 |
|
RegexObj.MatchPos[2] + RegexObj.MatchLen[2]); |
845 |
– |
ucStmt := AnsiUpperCase(stmt); |
863 |
|
end; |
864 |
|
end; |
865 |
|
finally |
877 |
|
LoginPrompt: boolean; |
878 |
|
begin |
879 |
|
Result := false; |
880 |
< |
ucStmt := AnsiUpperCase(stmt); |
864 |
< |
Terminator := FSymbolStream.Terminator; |
880 |
> |
Terminator := FSQLReader.Terminator; |
881 |
|
RegexObj := TRegExpr.Create; |
882 |
|
try |
883 |
|
{process create database} |
884 |
+ |
RegexObj.ModifierI := true; {case insensitive} |
885 |
|
RegexObj.Expression := '^ *CREATE +(DATABASE|SCHEMA) +''(.*)''(.*)(\' + Terminator + '|)'; |
886 |
< |
if RegexObj.Exec(ucStmt) then |
886 |
> |
if RegexObj.Exec(stmt) then |
887 |
|
begin |
888 |
|
if IgnoreCreateDatabase then |
889 |
|
begin |
894 |
|
if assigned(FOnCreateDatabase) then |
895 |
|
OnCreateDatabase(self,FileName); |
896 |
|
stmt := 'CREATE DATABASE ''' + FileName + '''' + system.copy(stmt,RegexObj.MatchPos[3], RegexObj.MatchLen[3]); |
880 |
– |
ucStmt := AnsiUpperCase(stmt); |
897 |
|
UpdateUserPassword; |
898 |
< |
FDatabase.Connected := false; |
898 |
> |
if FDatabase.Connected then |
899 |
> |
FDatabase.Dropdatabase; |
900 |
|
FDatabase.CreateDatabase(stmt); |
884 |
– |
FDatabase.Connected := false; |
885 |
– |
ExtractUserInfo; |
886 |
– |
DoReconnect; |
901 |
|
Result := true; |
902 |
|
Exit; |
903 |
|
end; |
904 |
|
|
905 |
|
{process connect statement} |
906 |
|
RegexObj.Expression := '^ *CONNECT +.*(\' + Terminator + '|)'; |
907 |
< |
if RegexObj.Exec(ucStmt) then |
907 |
> |
if RegexObj.Exec(stmt) then |
908 |
|
begin |
909 |
|
ExtractConnectInfo; |
910 |
< |
DoReconnect; |
910 |
> |
FDatabase.Connected := false; |
911 |
> |
FDatabase.Connected := true; |
912 |
|
Result := true; |
913 |
|
Exit; |
914 |
|
end; |
915 |
|
|
916 |
|
{Process Drop Database} |
917 |
|
RegexObj.Expression := '^ *DROP +DATABASE *(\' + Terminator + '|)'; |
918 |
< |
if RegexObj.Exec(ucStmt) then |
918 |
> |
if RegexObj.Exec(stmt) then |
919 |
|
begin |
920 |
|
FDatabase.DropDatabase; |
921 |
|
Result := true; |
924 |
|
|
925 |
|
{process commit statement} |
926 |
|
RegexObj.Expression := '^ *COMMIT *(\' + Terminator + '|)'; |
927 |
< |
if RegexObj.Exec(ucStmt) then |
927 |
> |
if RegexObj.Exec(stmt) then |
928 |
|
begin |
929 |
|
DoCommit; |
930 |
|
Result := true; |
933 |
|
|
934 |
|
{process Reconnect statement} |
935 |
|
RegexObj.Expression := '^ *RECONNECT *(\' + Terminator + '|)'; |
936 |
< |
if RegexObj.Exec(ucStmt) then |
936 |
> |
if RegexObj.Exec(stmt) then |
937 |
|
begin |
938 |
|
DoReconnect; |
939 |
|
Result := true; |
943 |
|
|
944 |
|
{Process Set Term} |
945 |
|
RegexObj.Expression := '^ *SET +TERM +(.) *(\' + Terminator + '|)'; |
946 |
< |
if RegexObj.Exec(ucStmt) then |
946 |
> |
if RegexObj.Exec(stmt) then |
947 |
|
begin |
948 |
< |
FSymbolStream.Terminator := RegexObj.Match[1][1]; |
948 |
> |
FSQLReader.Terminator := RegexObj.Match[1][1]; |
949 |
|
Result := true; |
950 |
|
Exit; |
951 |
|
end; |
952 |
|
|
953 |
|
{process Set SQL Dialect} |
954 |
|
RegexObj.Expression := '^ *SET +SQL +DIALECT +([0-9]) *(\' + Terminator + '|)'; |
955 |
< |
if RegexObj.Exec(ucStmt) then |
955 |
> |
if RegexObj.Exec(stmt) then |
956 |
|
begin |
957 |
|
n := StrToInt(RegexObj.Match[1]); |
958 |
|
if Database.SQLDialect <> n then |
967 |
|
|
968 |
|
{Process Remaining Set statements} |
969 |
|
RegexObj.Expression := '^ *SET +([A-Z]+)( +[A-Z0-9]+|) *(\' + Terminator + '|)'; |
970 |
< |
if RegexObj.Exec(ucStmt) then |
970 |
> |
if RegexObj.Exec(stmt) then |
971 |
|
begin |
972 |
|
command := AnsiUpperCase(RegexObj.Match[1]); |
973 |
|
param := trim(RegexObj.Match[2]); |
974 |
+ |
if command = 'GENERATOR' then |
975 |
+ |
begin |
976 |
+ |
Result := false; |
977 |
+ |
Exit; |
978 |
+ |
end; |
979 |
|
if command = 'AUTODDL' then |
980 |
|
AutoDDL := ((RegexObj.MatchLen[2] = 0) and not AutoDDL) or |
981 |
|
(RegexObj.MatchLen[2] > 0) and Toggle(param) |
1015 |
|
begin |
1016 |
|
if assigned(DataOutputFormatter) then |
1017 |
|
DataOutputFormatter.SetCommand(command,param,stmt,Result); |
1018 |
< |
if not Result and assigned(OnSetStatement) then |
1019 |
< |
OnSetStatement(self,command,param,stmt,Result) |
1020 |
< |
else |
1021 |
< |
raise Exception.CreateFmt(sInvalidSetStatement, [command,stmt]); |
1018 |
> |
if not Result then |
1019 |
> |
begin |
1020 |
> |
if assigned(OnSetStatement) then |
1021 |
> |
OnSetStatement(self,command,param,stmt,Result) |
1022 |
> |
else |
1023 |
> |
raise Exception.CreateFmt(sInvalidSetStatement, [command,stmt]); |
1024 |
> |
end; |
1025 |
|
Exit; |
1026 |
|
end; |
1027 |
|
Result := true; |
1037 |
|
begin |
1038 |
|
if FTransaction = AValue then Exit; |
1039 |
|
FTransaction := AValue; |
1017 |
– |
FIBXMLProcessor.Transaction := AValue; |
1040 |
|
end; |
1041 |
|
|
1042 |
|
constructor TCustomIBXScript.Create(aOwner: TComponent); |
1047 |
|
FAutoDDL := true; |
1048 |
|
FISQL := TIBSQL.Create(self); |
1049 |
|
FISQL.ParamCheck := true; |
1028 |
– |
FIBXMLProcessor := TIBXMLProcessor.Create; |
1029 |
– |
FIBSQLProcessor := TIBSQLProcessor.Create(FIBXMLProcessor); |
1050 |
|
FInternalTransaction := TIBTransaction.Create(self); |
1051 |
|
FInternalTransaction.Params.Clear; |
1052 |
|
FInternalTransaction.Params.Add('concurrency'); |
1055 |
|
|
1056 |
|
destructor TCustomIBXScript.Destroy; |
1057 |
|
begin |
1058 |
< |
if FIBSQLProcessor <> nil then FIBSQLProcessor.Free; |
1039 |
< |
if FIBXMLProcessor <> nil then FIBXMLProcessor.Free; |
1040 |
< |
if FSymbolStream <> nil then FSymbolStream.Free; |
1058 |
> |
if FSQLReader <> nil then FSQLReader.Free; |
1059 |
|
if FISQL <> nil then FISQL.Free; |
1060 |
|
if FInternalTransaction <> nil then FInternalTransaction.Free; |
1061 |
|
inherited Destroy; |
1066 |
|
if assigned(DataOutputFormatter) then |
1067 |
|
DataOutputFormatter.DataOut(aSQLText,@Add2Log) |
1068 |
|
else |
1069 |
< |
FSymbolStream.ShowError(sNoSelectSQL,[nil]); |
1052 |
< |
end; |
1053 |
< |
|
1054 |
< |
{ TIBSQLProcessor } |
1055 |
< |
|
1056 |
< |
procedure TIBSQLProcessor.AddToSQL(const Symbol: string); |
1057 |
< |
begin |
1058 |
< |
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 |
> |
FSQLReader.ShowError(sNoSelectSQL); |
1070 |
|
end; |
1071 |
|
|
1072 |
< |
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; |
1072 |
> |
{ TInteractiveSQLStatementReader } |
1073 |
|
|
1074 |
< |
constructor TIBSQLProcessor.Create(XMLProcessor: TIBXMLProcessor); |
1074 |
> |
function TInteractiveSQLStatementReader.GetErrorPrefix: AnsiString; |
1075 |
|
begin |
1076 |
< |
inherited Create; |
1082 |
< |
FXMLProcessor := XMLProcessor; |
1076 |
> |
Result := ''; |
1077 |
|
end; |
1078 |
|
|
1079 |
< |
function TIBSQLProcessor.GetNextStatement(SymbolStream: TSymbolStream; |
1086 |
< |
var stmt: string): boolean; |
1087 |
< |
var Symbol: TSQLSymbol; |
1088 |
< |
NonSpace: boolean; |
1089 |
< |
Done: boolean; |
1079 |
> |
function TInteractiveSQLStatementReader.GetNextLine(var Line: string): boolean; |
1080 |
|
begin |
1081 |
< |
FSQLText := ''; |
1082 |
< |
FState := stInit; |
1083 |
< |
FHasBegin := false; |
1084 |
< |
FSymbolStream := SymbolStream; |
1085 |
< |
FXMLProcessor.NextStatement; |
1086 |
< |
SymbolStream.NextStatement; |
1097 |
< |
|
1098 |
< |
Result := true; |
1099 |
< |
Done := false; |
1100 |
< |
NonSpace := false; |
1101 |
< |
while not Done do |
1102 |
< |
with SymbolStream do |
1081 |
> |
if FNextStatement then |
1082 |
> |
write(FPrompt) |
1083 |
> |
else |
1084 |
> |
write(FContinuePrompt); |
1085 |
> |
Result := not system.EOF; |
1086 |
> |
if Result then |
1087 |
|
begin |
1088 |
< |
if FState = stError then |
1089 |
< |
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; |
1088 |
> |
readln(Line); |
1089 |
> |
EchoNextLine(Line); |
1090 |
|
end; |
1091 |
|
end; |
1092 |
|
|
1093 |
< |
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; |
1325 |
< |
begin |
1326 |
< |
if (index < 0) or (index > BlobDataCount) then |
1327 |
< |
FSymbolStream.ShowError(sBlobIndexError,[index]); |
1328 |
< |
Result := FBlobData[index]; |
1329 |
< |
end; |
1330 |
< |
|
1331 |
< |
function TIBXMLProcessor.GetBlobDataCount: integer; |
1093 |
> |
function TInteractiveSQLStatementReader.GetChar: AnsiChar; |
1094 |
|
begin |
1095 |
< |
Result := Length(FBlobData); |
1096 |
< |
end; |
1097 |
< |
|
1098 |
< |
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; |
1095 |
> |
if Terminated then |
1096 |
> |
Result := #0 |
1097 |
> |
else |
1098 |
> |
if FLineIndex > Length(FLine) then |
1099 |
|
begin |
1100 |
< |
{Remove White Space} |
1101 |
< |
i := 1; |
1102 |
< |
while i <= length(hexData) do |
1103 |
< |
begin |
1104 |
< |
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; |
1100 |
> |
Result := LF; |
1101 |
> |
FLineIndex := 0; |
1102 |
> |
end |
1103 |
> |
else |
1104 |
> |
if FLineIndex = 0 then |
1105 |
|
begin |
1106 |
< |
RemoveWhiteSpace(hexData); |
1107 |
< |
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) |
1106 |
> |
if not GetNextLine(FLine) then |
1107 |
> |
Result := #0 |
1108 |
|
else |
1109 |
< |
if FAttributeName = 'scale' then |
1110 |
< |
FArrayData[FCurrentArray].Scale := StrToInt(attrValue) |
1109 |
> |
if Length(FLine) = 0 then |
1110 |
> |
Result := LF |
1111 |
|
else |
1481 |
– |
if FAttributeName = 'charset' then |
1482 |
– |
FArrayData[FCurrentArray].CharSet := attrValue |
1483 |
– |
else |
1484 |
– |
if FAttributeName = 'bounds' then |
1485 |
– |
ProcessBoundsList(attrValue) |
1486 |
– |
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 |
1112 |
|
begin |
1113 |
< |
if dim <> list.Count then |
1114 |
< |
FSymbolStream.ShowError(sInvalidBoundsList,[boundsList]); |
1115 |
< |
SetLength(bounds,dim); |
1116 |
< |
for i := 0 to list.Count - 1 do |
1117 |
< |
begin |
1118 |
< |
j := Pos(':',list[i]); |
1119 |
< |
if j = 0 then |
1120 |
< |
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; |
1113 |
> |
Result := FLine[1]; |
1114 |
> |
FLineIndex := 2; |
1115 |
> |
end |
1116 |
> |
end |
1117 |
> |
else |
1118 |
> |
begin |
1119 |
> |
Result := FLine[FLineIndex]; |
1120 |
> |
Inc(FLineIndex); |
1121 |
|
end; |
1122 |
|
end; |
1123 |
|
|
1124 |
< |
constructor TIBXMLProcessor.Create; |
1124 |
> |
constructor TInteractiveSQLStatementReader.Create(aPrompt: string; aContinue: string); |
1125 |
|
begin |
1126 |
|
inherited Create; |
1127 |
< |
NextStatement; |
1128 |
< |
end; |
1129 |
< |
|
1130 |
< |
destructor TIBXMLProcessor.Destroy; |
1532 |
< |
begin |
1533 |
< |
FreeMem(FBlobBuffer); |
1534 |
< |
inherited Destroy; |
1127 |
> |
FPrompt := aPrompt; |
1128 |
> |
FLineIndex := 0; |
1129 |
> |
FNextStatement := true; |
1130 |
> |
FContinuePrompt := aContinue; |
1131 |
|
end; |
1132 |
|
|
1133 |
< |
function TIBXMLProcessor.AnalyseXML(SymbolStream: TSymbolStream): string; |
1134 |
< |
var Symbol: TSQLSymbol; |
1539 |
< |
Done: boolean; |
1540 |
< |
XMLString: string; |
1133 |
> |
function TInteractiveSQLStatementReader.GetNextStatement(var stmt: string |
1134 |
> |
): boolean; |
1135 |
|
begin |
1136 |
< |
Result := ''; |
1137 |
< |
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; |
1569 |
< |
|
1570 |
< |
';': |
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; |
1136 |
> |
Result := inherited GetNextStatement(stmt); |
1137 |
> |
FNextStatement := Result; |
1138 |
|
end; |
1139 |
|
|
1140 |
< |
procedure TIBXMLProcessor.NextStatement; |
1721 |
< |
begin |
1722 |
< |
FXMLTagIndex := 0; |
1723 |
< |
SetLength(FBlobData,0); |
1724 |
< |
FCurrentBlob := -1; |
1725 |
< |
SetLength(FArrayData,0); |
1726 |
< |
FCurrentArray := -1; |
1727 |
< |
end; |
1140 |
> |
{ TBatchSQLStatementReader } |
1141 |
|
|
1142 |
< |
class function TIBXMLProcessor.FormatBlob(Field: ISQLData): string; |
1730 |
< |
var TextOut: TStrings; |
1142 |
> |
function TBatchSQLStatementReader.GetChar: AnsiChar; |
1143 |
|
begin |
1144 |
< |
TextOut := TStringList.Create; |
1145 |
< |
try |
1146 |
< |
TextOut.Add(Format('<blob subtype="%d">',[Field.getSubtype])); |
1147 |
< |
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; |
1144 |
> |
if not EOF and assigned(FInStream) and not (FInStream.Position = FInStream.Size) then |
1145 |
> |
begin |
1146 |
> |
Result := char(FInStream.ReadByte); |
1147 |
> |
if Result = LF then |
1148 |
|
begin |
1149 |
< |
SetLength(index,dim+1); |
1150 |
< |
recurse := dim < ar.GetDimensions - 1; |
1151 |
< |
with ar.GetBounds[dim] do |
1152 |
< |
for i := LowerBound to UpperBound do |
1153 |
< |
begin |
1154 |
< |
index[dim] := i; |
1155 |
< |
if recurse then |
1156 |
< |
begin |
1157 |
< |
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 |
1149 |
> |
EchoNextLine(FCurLine); |
1150 |
> |
FCurLine := ''; |
1151 |
> |
if assigned(OnProgressEvent) then |
1152 |
> |
OnProgressEvent(self,false,FIndex+1); |
1153 |
> |
Inc(FLineIndex); |
1154 |
> |
FIndex := 1; |
1155 |
> |
end |
1156 |
> |
else |
1157 |
> |
if Result <> CR then |
1158 |
|
begin |
1159 |
< |
if i <> 0 then boundsList += ','; |
1160 |
< |
boundsList += Format('%d:%d',[bounds[i].LowerBound,bounds[i].UpperBound]); |
1159 |
> |
FCurLine += Result; |
1160 |
> |
Inc(FIndex); |
1161 |
|
end; |
1162 |
< |
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 |
1162 |
> |
end |
1163 |
|
else |
1164 |
< |
Result := inherited GetSymbol; |
1164 |
> |
Result := #0; |
1165 |
|
end; |
1166 |
|
|
1167 |
< |
{ TBatchSymbolStream } |
1845 |
< |
|
1846 |
< |
function TBatchSymbolStream.GetErrorPrefix: string; |
1167 |
> |
function TBatchSQLStatementReader.GetErrorPrefix: AnsiString; |
1168 |
|
begin |
1169 |
|
Result := Format(sOnLineError,[FLineIndex,FIndex]); |
1170 |
|
end; |
1171 |
|
|
1172 |
< |
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; |
1865 |
< |
begin |
1866 |
< |
inherited Create; |
1867 |
< |
FLines := TStringList.Create; |
1868 |
< |
end; |
1869 |
< |
|
1870 |
< |
destructor TBatchSymbolStream.Destroy; |
1871 |
< |
begin |
1872 |
< |
if assigned(FLines) then FLines.Free; |
1873 |
< |
inherited Destroy; |
1874 |
< |
end; |
1875 |
< |
|
1876 |
< |
procedure TBatchSymbolStream.SetStreamSource(Lines: TStrings); |
1172 |
> |
procedure TBatchSQLStatementReader.Reset; |
1173 |
|
begin |
1174 |
< |
FLineIndex := 0; |
1175 |
< |
FLines.Assign(Lines); |
1174 |
> |
inherited Reset; |
1175 |
> |
if FOwnsInStream and assigned(FInStream) then |
1176 |
> |
FInStream.Free; |
1177 |
> |
FInStream := nil; |
1178 |
> |
FOwnsInStream := false; |
1179 |
> |
FLineIndex := 1; |
1180 |
> |
FIndex := 1; |
1181 |
> |
FCurLine := ''; |
1182 |
> |
end; |
1183 |
> |
|
1184 |
> |
procedure TBatchSQLStatementReader.SetStreamSource(Lines: TStrings); |
1185 |
> |
begin |
1186 |
> |
Reset; |
1187 |
> |
FInStream := TMemoryStream.Create; |
1188 |
> |
FOwnsInStream := true; |
1189 |
> |
Lines.SaveToStream(FInStream); |
1190 |
> |
FInStream.Position := 0; |
1191 |
|
if assigned(OnProgressEvent) then |
1192 |
< |
OnProgressEvent(self,true,FLines.Count); |
1192 |
> |
OnProgressEvent(self,true,FInStream.Size); |
1193 |
|
end; |
1194 |
|
|
1195 |
< |
procedure TBatchSymbolStream.SetStreamSource(S: TStream); |
1195 |
> |
procedure TBatchSQLStatementReader.SetStreamSource(S: TStream); |
1196 |
|
begin |
1197 |
< |
FLineIndex := 0; |
1198 |
< |
FLines.LoadFromStream(S); |
1197 |
> |
Reset; |
1198 |
> |
FInStream := S; |
1199 |
|
if assigned(OnProgressEvent) then |
1200 |
< |
OnProgressEvent(self,true,FLines.Count); |
1200 |
> |
OnProgressEvent(self,true,S.Size - S.Position); |
1201 |
|
end; |
1202 |
|
|
1203 |
< |
procedure TBatchSymbolStream.SetStreamSource(FileName: string); |
1203 |
> |
procedure TBatchSQLStatementReader.SetStreamSource(FileName: string); |
1204 |
|
begin |
1205 |
< |
FLineIndex := 0; |
1206 |
< |
FLines.LoadFromFile(FileName); |
1205 |
> |
Reset; |
1206 |
> |
FInStream := TFileStream.Create(FileName,fmShareCompat); |
1207 |
> |
FOwnsInStream := true; |
1208 |
|
if assigned(OnProgressEvent) then |
1209 |
< |
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; |
1209 |
> |
OnProgressEvent(self,true,FInStream.Size); |
1210 |
|
end; |
1211 |
|
|
1212 |
< |
procedure TSymbolStream.ShowError(msg: string; params: array of const); |
1212 |
> |
procedure TBatchSQLStatementReader.SetStringStreamSource(S: string); |
1213 |
|
begin |
1214 |
< |
raise EIBClientError.CreateFmt(GetErrorPrefix + msg,params); |
1215 |
< |
end; |
1216 |
< |
|
1217 |
< |
function TSymbolStream.GetSymbol: TSQLSymbol; |
1218 |
< |
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); |
2178 |
< |
end; |
2179 |
< |
|
2180 |
< |
procedure TSymbolStream.NextStatement; |
2181 |
< |
begin |
2182 |
< |
FXMLTag := xtNone; |
2183 |
< |
FNextStatement := true; |
1214 |
> |
Reset; |
1215 |
> |
FInStream := TStringStream.Create(S); |
1216 |
> |
FOwnsInStream := true; |
1217 |
> |
if assigned(OnProgressEvent) then |
1218 |
> |
OnProgressEvent(self,true,FInStream.Size); |
1219 |
|
end; |
1220 |
|
|
1221 |
|
end. |