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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 :
21 : #include "XMLConverter.hxx"
22 : #include <com/sun/star/util/DateTime.hpp>
23 : #include <tools/datetime.hxx>
24 : #include <sax/tools/converter.hxx>
25 : #include <xmloff/xmltoken.hxx>
26 : #include "rangelst.hxx"
27 : #include "rangeutl.hxx"
28 : #include "docuno.hxx"
29 : #include "convuno.hxx"
30 : #include "document.hxx"
31 : #include "ftools.hxx"
32 :
33 : using ::rtl::OUString;
34 : using ::rtl::OUStringBuffer;
35 : using namespace ::com::sun::star;
36 : using namespace xmloff::token;
37 :
38 :
39 : //___________________________________________________________________
40 :
41 146 : ScDocument* ScXMLConverter::GetScDocument( uno::Reference< frame::XModel > xModel )
42 : {
43 146 : if (xModel.is())
44 : {
45 146 : ScModelObj* pDocObj = ScModelObj::getImplementation( xModel );
46 146 : return pDocObj ? pDocObj->GetDocument() : NULL;
47 : }
48 0 : return NULL;
49 : }
50 :
51 :
52 : //___________________________________________________________________
53 8 : sheet::GeneralFunction ScXMLConverter::GetFunctionFromString( const OUString& sFunction )
54 : {
55 8 : if( IsXMLToken(sFunction, XML_SUM ) )
56 0 : return sheet::GeneralFunction_SUM;
57 8 : if( IsXMLToken(sFunction, XML_AUTO ) )
58 7 : return sheet::GeneralFunction_AUTO;
59 1 : if( IsXMLToken(sFunction, XML_COUNT ) )
60 1 : return sheet::GeneralFunction_COUNT;
61 0 : if( IsXMLToken(sFunction, XML_COUNTNUMS ) )
62 0 : return sheet::GeneralFunction_COUNTNUMS;
63 0 : if( IsXMLToken(sFunction, XML_PRODUCT ) )
64 0 : return sheet::GeneralFunction_PRODUCT;
65 0 : if( IsXMLToken(sFunction, XML_AVERAGE ) )
66 0 : return sheet::GeneralFunction_AVERAGE;
67 0 : if( IsXMLToken(sFunction, XML_MAX ) )
68 0 : return sheet::GeneralFunction_MAX;
69 0 : if( IsXMLToken(sFunction, XML_MIN ) )
70 0 : return sheet::GeneralFunction_MIN;
71 0 : if( IsXMLToken(sFunction, XML_STDEV ) )
72 0 : return sheet::GeneralFunction_STDEV;
73 0 : if( IsXMLToken(sFunction, XML_STDEVP ) )
74 0 : return sheet::GeneralFunction_STDEVP;
75 0 : if( IsXMLToken(sFunction, XML_VAR ) )
76 0 : return sheet::GeneralFunction_VAR;
77 0 : if( IsXMLToken(sFunction, XML_VARP ) )
78 0 : return sheet::GeneralFunction_VARP;
79 0 : return sheet::GeneralFunction_NONE;
80 : }
81 :
82 0 : ScSubTotalFunc ScXMLConverter::GetSubTotalFuncFromString( const OUString& sFunction )
83 : {
84 0 : if( IsXMLToken(sFunction, XML_SUM ) )
85 0 : return SUBTOTAL_FUNC_SUM;
86 0 : if( IsXMLToken(sFunction, XML_COUNT ) )
87 0 : return SUBTOTAL_FUNC_CNT;
88 0 : if( IsXMLToken(sFunction, XML_COUNTNUMS ) )
89 0 : return SUBTOTAL_FUNC_CNT2;
90 0 : if( IsXMLToken(sFunction, XML_PRODUCT ) )
91 0 : return SUBTOTAL_FUNC_PROD;
92 0 : if( IsXMLToken(sFunction, XML_AVERAGE ) )
93 0 : return SUBTOTAL_FUNC_AVE;
94 0 : if( IsXMLToken(sFunction, XML_MAX ) )
95 0 : return SUBTOTAL_FUNC_MAX;
96 0 : if( IsXMLToken(sFunction, XML_MIN ) )
97 0 : return SUBTOTAL_FUNC_MIN;
98 0 : if( IsXMLToken(sFunction, XML_STDEV ) )
99 0 : return SUBTOTAL_FUNC_STD;
100 0 : if( IsXMLToken(sFunction, XML_STDEVP ) )
101 0 : return SUBTOTAL_FUNC_STDP;
102 0 : if( IsXMLToken(sFunction, XML_VAR ) )
103 0 : return SUBTOTAL_FUNC_VAR;
104 0 : if( IsXMLToken(sFunction, XML_VARP ) )
105 0 : return SUBTOTAL_FUNC_VARP;
106 0 : return SUBTOTAL_FUNC_NONE;
107 : }
108 :
109 :
110 : //___________________________________________________________________
111 :
112 0 : void ScXMLConverter::GetStringFromFunction(
113 : OUString& rString,
114 : const sheet::GeneralFunction eFunction,
115 : bool bAppendStr )
116 : {
117 0 : OUString sFuncStr;
118 0 : switch( eFunction )
119 : {
120 0 : case sheet::GeneralFunction_AUTO: sFuncStr = GetXMLToken( XML_AUTO ); break;
121 0 : case sheet::GeneralFunction_AVERAGE: sFuncStr = GetXMLToken( XML_AVERAGE ); break;
122 0 : case sheet::GeneralFunction_COUNT: sFuncStr = GetXMLToken( XML_COUNT ); break;
123 0 : case sheet::GeneralFunction_COUNTNUMS: sFuncStr = GetXMLToken( XML_COUNTNUMS ); break;
124 0 : case sheet::GeneralFunction_MAX: sFuncStr = GetXMLToken( XML_MAX ); break;
125 0 : case sheet::GeneralFunction_MIN: sFuncStr = GetXMLToken( XML_MIN ); break;
126 0 : case sheet::GeneralFunction_NONE: sFuncStr = GetXMLToken( XML_NONE ); break;
127 0 : case sheet::GeneralFunction_PRODUCT: sFuncStr = GetXMLToken( XML_PRODUCT ); break;
128 0 : case sheet::GeneralFunction_STDEV: sFuncStr = GetXMLToken( XML_STDEV ); break;
129 0 : case sheet::GeneralFunction_STDEVP: sFuncStr = GetXMLToken( XML_STDEVP ); break;
130 0 : case sheet::GeneralFunction_SUM: sFuncStr = GetXMLToken( XML_SUM ); break;
131 0 : case sheet::GeneralFunction_VAR: sFuncStr = GetXMLToken( XML_VAR ); break;
132 0 : case sheet::GeneralFunction_VARP: sFuncStr = GetXMLToken( XML_VARP ); break;
133 : default:
134 : {
135 : // added to avoid warnings
136 : }
137 : }
138 0 : ScRangeStringConverter::AssignString( rString, sFuncStr, bAppendStr );
139 0 : }
140 :
141 0 : void ScXMLConverter::GetStringFromFunction(
142 : OUString& rString,
143 : const ScSubTotalFunc eFunction,
144 : bool bAppendStr )
145 : {
146 0 : OUString sFuncStr;
147 0 : switch( eFunction )
148 : {
149 0 : case SUBTOTAL_FUNC_AVE: sFuncStr = GetXMLToken( XML_AVERAGE ); break;
150 0 : case SUBTOTAL_FUNC_CNT: sFuncStr = GetXMLToken( XML_COUNT ); break;
151 0 : case SUBTOTAL_FUNC_CNT2: sFuncStr = GetXMLToken( XML_COUNTNUMS ); break;
152 0 : case SUBTOTAL_FUNC_MAX: sFuncStr = GetXMLToken( XML_MAX ); break;
153 0 : case SUBTOTAL_FUNC_MIN: sFuncStr = GetXMLToken( XML_MIN ); break;
154 0 : case SUBTOTAL_FUNC_NONE: sFuncStr = GetXMLToken( XML_NONE ); break;
155 0 : case SUBTOTAL_FUNC_PROD: sFuncStr = GetXMLToken( XML_PRODUCT ); break;
156 0 : case SUBTOTAL_FUNC_STD: sFuncStr = GetXMLToken( XML_STDEV ); break;
157 0 : case SUBTOTAL_FUNC_STDP: sFuncStr = GetXMLToken( XML_STDEVP ); break;
158 0 : case SUBTOTAL_FUNC_SUM: sFuncStr = GetXMLToken( XML_SUM ); break;
159 0 : case SUBTOTAL_FUNC_VAR: sFuncStr = GetXMLToken( XML_VAR ); break;
160 0 : case SUBTOTAL_FUNC_VARP: sFuncStr = GetXMLToken( XML_VARP ); break;
161 : }
162 0 : ScRangeStringConverter::AssignString( rString, sFuncStr, bAppendStr );
163 0 : }
164 :
165 :
166 : //___________________________________________________________________
167 :
168 8 : sheet::DataPilotFieldOrientation ScXMLConverter::GetOrientationFromString(
169 : const OUString& rString )
170 : {
171 8 : if( IsXMLToken(rString, XML_COLUMN ) )
172 2 : return sheet::DataPilotFieldOrientation_COLUMN;
173 6 : if( IsXMLToken(rString, XML_ROW ) )
174 3 : return sheet::DataPilotFieldOrientation_ROW;
175 3 : if( IsXMLToken(rString, XML_PAGE ) )
176 2 : return sheet::DataPilotFieldOrientation_PAGE;
177 1 : if( IsXMLToken(rString, XML_DATA ) )
178 1 : return sheet::DataPilotFieldOrientation_DATA;
179 0 : return sheet::DataPilotFieldOrientation_HIDDEN;
180 : }
181 :
182 :
183 : //___________________________________________________________________
184 :
185 0 : void ScXMLConverter::GetStringFromOrientation(
186 : OUString& rString,
187 : const sheet::DataPilotFieldOrientation eOrientation,
188 : bool bAppendStr )
189 : {
190 0 : OUString sOrientStr;
191 0 : switch( eOrientation )
192 : {
193 : case sheet::DataPilotFieldOrientation_HIDDEN:
194 0 : sOrientStr = GetXMLToken( XML_HIDDEN );
195 0 : break;
196 : case sheet::DataPilotFieldOrientation_COLUMN:
197 0 : sOrientStr = GetXMLToken( XML_COLUMN );
198 0 : break;
199 : case sheet::DataPilotFieldOrientation_ROW:
200 0 : sOrientStr = GetXMLToken( XML_ROW );
201 0 : break;
202 : case sheet::DataPilotFieldOrientation_PAGE:
203 0 : sOrientStr = GetXMLToken( XML_PAGE );
204 0 : break;
205 : case sheet::DataPilotFieldOrientation_DATA:
206 0 : sOrientStr = GetXMLToken( XML_DATA );
207 0 : break;
208 : default:
209 : {
210 : // added to avoid warnings
211 : }
212 : }
213 0 : ScRangeStringConverter::AssignString( rString, sOrientStr, bAppendStr );
214 0 : }
215 :
216 :
217 : //___________________________________________________________________
218 :
219 0 : ScDetectiveObjType ScXMLConverter::GetDetObjTypeFromString( const OUString& rString )
220 : {
221 0 : if( IsXMLToken(rString, XML_FROM_SAME_TABLE ) )
222 0 : return SC_DETOBJ_ARROW;
223 0 : if( IsXMLToken(rString, XML_FROM_ANOTHER_TABLE ) )
224 0 : return SC_DETOBJ_FROMOTHERTAB;
225 0 : if( IsXMLToken(rString, XML_TO_ANOTHER_TABLE ) )
226 0 : return SC_DETOBJ_TOOTHERTAB;
227 0 : return SC_DETOBJ_NONE;
228 : }
229 :
230 0 : bool ScXMLConverter::GetDetOpTypeFromString( ScDetOpType& rDetOpType, const OUString& rString )
231 : {
232 0 : if( IsXMLToken(rString, XML_TRACE_DEPENDENTS ) )
233 0 : rDetOpType = SCDETOP_ADDSUCC;
234 0 : else if( IsXMLToken(rString, XML_TRACE_PRECEDENTS ) )
235 0 : rDetOpType = SCDETOP_ADDPRED;
236 0 : else if( IsXMLToken(rString, XML_TRACE_ERRORS ) )
237 0 : rDetOpType = SCDETOP_ADDERROR;
238 0 : else if( IsXMLToken(rString, XML_REMOVE_DEPENDENTS ) )
239 0 : rDetOpType = SCDETOP_DELSUCC;
240 0 : else if( IsXMLToken(rString, XML_REMOVE_PRECEDENTS ) )
241 0 : rDetOpType = SCDETOP_DELPRED;
242 : else
243 0 : return false;
244 0 : return true;
245 : }
246 :
247 :
248 : //___________________________________________________________________
249 :
250 0 : void ScXMLConverter::GetStringFromDetObjType(
251 : OUString& rString,
252 : const ScDetectiveObjType eObjType,
253 : bool bAppendStr )
254 : {
255 0 : OUString sTypeStr;
256 0 : switch( eObjType )
257 : {
258 : case SC_DETOBJ_ARROW:
259 0 : sTypeStr = GetXMLToken( XML_FROM_SAME_TABLE );
260 0 : break;
261 : case SC_DETOBJ_FROMOTHERTAB:
262 0 : sTypeStr = GetXMLToken( XML_FROM_ANOTHER_TABLE );
263 0 : break;
264 : case SC_DETOBJ_TOOTHERTAB:
265 0 : sTypeStr = GetXMLToken( XML_TO_ANOTHER_TABLE );
266 0 : break;
267 : default:
268 : {
269 : // added to avoid warnings
270 : }
271 : }
272 0 : ScRangeStringConverter::AssignString( rString, sTypeStr, bAppendStr );
273 0 : }
274 :
275 0 : void ScXMLConverter::GetStringFromDetOpType(
276 : OUString& rString,
277 : const ScDetOpType eOpType,
278 : bool bAppendStr )
279 : {
280 0 : OUString sTypeStr;
281 0 : switch( eOpType )
282 : {
283 : case SCDETOP_ADDSUCC:
284 0 : sTypeStr = GetXMLToken( XML_TRACE_DEPENDENTS );
285 0 : break;
286 : case SCDETOP_ADDPRED:
287 0 : sTypeStr = GetXMLToken( XML_TRACE_PRECEDENTS );
288 0 : break;
289 : case SCDETOP_ADDERROR:
290 0 : sTypeStr = GetXMLToken( XML_TRACE_ERRORS );
291 0 : break;
292 : case SCDETOP_DELSUCC:
293 0 : sTypeStr = GetXMLToken( XML_REMOVE_DEPENDENTS );
294 0 : break;
295 : case SCDETOP_DELPRED:
296 0 : sTypeStr = GetXMLToken( XML_REMOVE_PRECEDENTS );
297 0 : break;
298 : }
299 0 : ScRangeStringConverter::AssignString( rString, sTypeStr, bAppendStr );
300 0 : }
301 :
302 :
303 : //___________________________________________________________________
304 :
305 12 : void ScXMLConverter::ParseFormula(OUString& sFormula, const bool bIsFormula)
306 : {
307 12 : OUStringBuffer sBuffer(sFormula.getLength());
308 12 : bool bInQuotationMarks(false);
309 12 : bool bInDoubleQuotationMarks(false);
310 12 : sal_Int16 nCountBraces(0);
311 12 : sal_Unicode chPrevious('=');
312 182 : for (sal_Int32 i = 0; i < sFormula.getLength(); ++i)
313 : {
314 170 : if (sFormula[i] == '\'' && !bInDoubleQuotationMarks &&
315 : chPrevious != '\\')
316 0 : bInQuotationMarks = !bInQuotationMarks;
317 170 : else if (sFormula[i] == '"' && !bInQuotationMarks)
318 0 : bInDoubleQuotationMarks = !bInDoubleQuotationMarks;
319 170 : if (bInQuotationMarks || bInDoubleQuotationMarks)
320 0 : sBuffer.append(sFormula[i]);
321 170 : else if (sFormula[i] == '[')
322 0 : ++nCountBraces;
323 170 : else if (sFormula[i] == ']')
324 0 : nCountBraces--;
325 339 : else if ((sFormula[i] != '.') ||
326 : ((nCountBraces == 0) && bIsFormula) ||
327 13 : !((chPrevious == '[') || (chPrevious == ':') || (chPrevious == ' ') || (chPrevious == '=')))
328 169 : sBuffer.append(sFormula[i]);
329 170 : chPrevious = sFormula[i];
330 : }
331 :
332 : OSL_ENSURE(nCountBraces == 0, "there are some braces still open");
333 12 : sFormula = sBuffer.makeStringAndClear();
334 12 : }
335 :
336 :
337 : //_____________________________________________________________________
338 :
339 0 : void ScXMLConverter::ConvertDateTimeToString(const DateTime& aDateTime, rtl::OUStringBuffer& sDate)
340 : {
341 0 : util::DateTime aAPIDateTime;
342 0 : ConvertCoreToAPIDateTime(aDateTime, aAPIDateTime);
343 0 : ::sax::Converter::convertDateTime(sDate, aAPIDateTime);
344 0 : }
345 :
346 0 : void ScXMLConverter::ConvertCoreToAPIDateTime(const DateTime& aDateTime, util::DateTime& rDateTime)
347 : {
348 0 : rDateTime.Year = aDateTime.GetYear();
349 0 : rDateTime.Month = aDateTime.GetMonth();
350 0 : rDateTime.Day = aDateTime.GetDay();
351 0 : rDateTime.Hours = aDateTime.GetHour();
352 0 : rDateTime.Minutes = aDateTime.GetMin();
353 0 : rDateTime.Seconds = aDateTime.GetSec();
354 0 : rDateTime.HundredthSeconds = aDateTime.Get100Sec();
355 0 : }
356 :
357 0 : void ScXMLConverter::ConvertAPIToCoreDateTime(const util::DateTime& aDateTime, DateTime& rDateTime)
358 : {
359 0 : Date aDate(aDateTime.Day, aDateTime.Month, aDateTime.Year);
360 0 : Time aTime(aDateTime.Hours, aDateTime.Minutes, aDateTime.Seconds, aDateTime.HundredthSeconds);
361 0 : DateTime aTempDateTime (aDate, aTime);
362 0 : rDateTime = aTempDateTime;
363 0 : }
364 :
365 : // ============================================================================
366 :
367 : namespace {
368 :
369 : /** Enumerates different types of condition tokens. */
370 : enum ScXMLConditionTokenType
371 : {
372 : XML_COND_TYPE_KEYWORD, /// Simple keyword without parentheses, e.g. 'and'.
373 : XML_COND_TYPE_COMPARISON, /// Comparison rule, e.g. 'cell-content()<=2'.
374 : XML_COND_TYPE_FUNCTION0, /// Function without parameters, e.g. 'cell-content-is-whole-number()'.
375 : XML_COND_TYPE_FUNCTION1, /// Function with 1 parameter, e.g. 'is-true-formula(1+1=2)'.
376 : XML_COND_TYPE_FUNCTION2 /// Function with 2 parameters, e.g. 'cell-content-is-between(1,2)'.
377 : };
378 :
379 : struct ScXMLConditionInfo
380 : {
381 : ScXMLConditionToken meToken;
382 : ScXMLConditionTokenType meType;
383 : sheet::ValidationType meValidation;
384 : sheet::ConditionOperator meOperator;
385 : const sal_Char* mpcIdentifier;
386 : sal_Int32 mnIdentLength;
387 : };
388 :
389 : static const ScXMLConditionInfo spConditionInfos[] =
390 : {
391 : { XML_COND_AND, XML_COND_TYPE_KEYWORD, sheet::ValidationType_ANY, sheet::ConditionOperator_NONE, RTL_CONSTASCII_STRINGPARAM( "and" ) },
392 : { XML_COND_CELLCONTENT, XML_COND_TYPE_COMPARISON, sheet::ValidationType_ANY, sheet::ConditionOperator_NONE, RTL_CONSTASCII_STRINGPARAM( "cell-content" ) },
393 : { XML_COND_ISBETWEEN, XML_COND_TYPE_FUNCTION2, sheet::ValidationType_ANY, sheet::ConditionOperator_BETWEEN, RTL_CONSTASCII_STRINGPARAM( "cell-content-is-between" ) },
394 : { XML_COND_ISNOTBETWEEN, XML_COND_TYPE_FUNCTION2, sheet::ValidationType_ANY, sheet::ConditionOperator_NOT_BETWEEN, RTL_CONSTASCII_STRINGPARAM( "cell-content-is-not-between" ) },
395 : { XML_COND_ISWHOLENUMBER, XML_COND_TYPE_FUNCTION0, sheet::ValidationType_WHOLE, sheet::ConditionOperator_NONE, RTL_CONSTASCII_STRINGPARAM( "cell-content-is-whole-number" ) },
396 : { XML_COND_ISDECIMALNUMBER, XML_COND_TYPE_FUNCTION0, sheet::ValidationType_DECIMAL, sheet::ConditionOperator_NONE, RTL_CONSTASCII_STRINGPARAM( "cell-content-is-decimal-number" ) },
397 : { XML_COND_ISDATE, XML_COND_TYPE_FUNCTION0, sheet::ValidationType_DATE, sheet::ConditionOperator_NONE, RTL_CONSTASCII_STRINGPARAM( "cell-content-is-date" ) },
398 : { XML_COND_ISTIME, XML_COND_TYPE_FUNCTION0, sheet::ValidationType_TIME, sheet::ConditionOperator_NONE, RTL_CONSTASCII_STRINGPARAM( "cell-content-is-time" ) },
399 : { XML_COND_ISINLIST, XML_COND_TYPE_FUNCTION1, sheet::ValidationType_LIST, sheet::ConditionOperator_EQUAL, RTL_CONSTASCII_STRINGPARAM( "cell-content-is-in-list" ) },
400 : { XML_COND_TEXTLENGTH, XML_COND_TYPE_COMPARISON, sheet::ValidationType_TEXT_LEN, sheet::ConditionOperator_NONE, RTL_CONSTASCII_STRINGPARAM( "cell-content-text-length" ) },
401 : { XML_COND_TEXTLENGTH_ISBETWEEN, XML_COND_TYPE_FUNCTION2, sheet::ValidationType_TEXT_LEN, sheet::ConditionOperator_BETWEEN, RTL_CONSTASCII_STRINGPARAM( "cell-content-text-length-is-between" ) },
402 : { XML_COND_TEXTLENGTH_ISNOTBETWEEN, XML_COND_TYPE_FUNCTION2, sheet::ValidationType_TEXT_LEN, sheet::ConditionOperator_NOT_BETWEEN, RTL_CONSTASCII_STRINGPARAM( "cell-content-text-length-is-not-between" ) },
403 : { XML_COND_ISTRUEFORMULA, XML_COND_TYPE_FUNCTION1, sheet::ValidationType_CUSTOM, sheet::ConditionOperator_FORMULA, RTL_CONSTASCII_STRINGPARAM( "is-true-formula" ) }
404 : };
405 :
406 33 : void lclSkipWhitespace( const sal_Unicode*& rpcString, const sal_Unicode* pcEnd )
407 : {
408 33 : while( (rpcString < pcEnd) && (*rpcString <= ' ') ) ++rpcString;
409 33 : }
410 :
411 17 : const ScXMLConditionInfo* lclGetConditionInfo( const sal_Unicode*& rpcString, const sal_Unicode* pcEnd )
412 : {
413 17 : lclSkipWhitespace( rpcString, pcEnd );
414 : /* Search the end of an identifier name; assuming that valid identifiers
415 : consist of [a-z-] only. */
416 17 : const sal_Unicode* pcIdStart = rpcString;
417 17 : while( (rpcString < pcEnd) && (((*rpcString >= 'a') && (*rpcString <= 'z')) || (*rpcString == '-')) ) ++rpcString;
418 17 : sal_Int32 nLength = static_cast< sal_Int32 >( rpcString - pcIdStart );
419 :
420 : // search the table for an entry
421 17 : if( nLength > 0 )
422 67 : for( const ScXMLConditionInfo* pInfo = spConditionInfos; pInfo < STATIC_ARRAY_END( spConditionInfos ); ++pInfo )
423 67 : if( (nLength == pInfo->mnIdentLength) && (::rtl_ustr_ascii_shortenedCompare_WithLength( pcIdStart, nLength, pInfo->mpcIdentifier, nLength ) == 0) )
424 17 : return pInfo;
425 :
426 0 : return 0;
427 : }
428 :
429 7 : sheet::ConditionOperator lclGetConditionOperator( const sal_Unicode*& rpcString, const sal_Unicode* pcEnd )
430 : {
431 : // check for double-char operators
432 7 : if( (rpcString + 1 < pcEnd) && (rpcString[ 1 ] == '=') )
433 : {
434 2 : sheet::ConditionOperator eOperator = sheet::ConditionOperator_NONE;
435 2 : switch( *rpcString )
436 : {
437 0 : case '!': eOperator = sheet::ConditionOperator_NOT_EQUAL; break;
438 0 : case '<': eOperator = sheet::ConditionOperator_LESS_EQUAL; break;
439 2 : case '>': eOperator = sheet::ConditionOperator_GREATER_EQUAL; break;
440 : }
441 2 : if( eOperator != sheet::ConditionOperator_NONE )
442 : {
443 2 : rpcString += 2;
444 2 : return eOperator;
445 : }
446 : }
447 :
448 : // check for single-char operators
449 5 : if( rpcString < pcEnd )
450 : {
451 5 : sheet::ConditionOperator eOperator = sheet::ConditionOperator_NONE;
452 5 : switch( *rpcString )
453 : {
454 2 : case '=': eOperator = sheet::ConditionOperator_EQUAL; break;
455 1 : case '<': eOperator = sheet::ConditionOperator_LESS; break;
456 2 : case '>': eOperator = sheet::ConditionOperator_GREATER; break;
457 : }
458 5 : if( eOperator != sheet::ConditionOperator_NONE )
459 : {
460 5 : ++rpcString;
461 5 : return eOperator;
462 : }
463 : }
464 :
465 0 : return sheet::ConditionOperator_NONE;
466 : }
467 :
468 : /** Skips a literal string in a formula expression.
469 :
470 : @param rpcString
471 : (in-out) On call, must point to the first character of the string
472 : following the leading string delimiter character. On return, points to
473 : the trailing string delimiter character if existing, otherwise to
474 : pcEnd.
475 :
476 : @param pcEnd
477 : The end of the string to parse.
478 :
479 : @param cQuoteChar
480 : The string delimiter character enclosing the string.
481 : */
482 0 : void lclSkipExpressionString( const sal_Unicode*& rpcString, const sal_Unicode* pcEnd, sal_Unicode cQuoteChar )
483 : {
484 0 : if( rpcString < pcEnd )
485 : {
486 0 : sal_Int32 nLength = static_cast< sal_Int32 >( pcEnd - rpcString );
487 0 : sal_Int32 nNextQuote = ::rtl_ustr_indexOfChar_WithLength( rpcString, nLength, cQuoteChar );
488 0 : if( nNextQuote >= 0 )
489 0 : rpcString += nNextQuote;
490 : else
491 0 : rpcString = pcEnd;
492 : }
493 0 : }
494 :
495 : /** Skips a formula expression. Processes embedded parentheses, braces, and
496 : literal strings.
497 :
498 : @param rpcString
499 : (in-out) On call, must point to the first character of the expression.
500 : On return, points to the passed end character if existing, otherwise to
501 : pcEnd.
502 :
503 : @param pcEnd
504 : The end of the string to parse.
505 :
506 : @param cEndChar
507 : The termination character following the expression.
508 : */
509 12 : void lclSkipExpression( const sal_Unicode*& rpcString, const sal_Unicode* pcEnd, sal_Unicode cEndChar )
510 : {
511 63 : while( rpcString < pcEnd )
512 : {
513 51 : if( *rpcString == cEndChar )
514 24 : return;
515 39 : switch( *rpcString )
516 : {
517 2 : case '(': lclSkipExpression( ++rpcString, pcEnd, ')' ); break;
518 0 : case '{': lclSkipExpression( ++rpcString, pcEnd, '}' ); break;
519 0 : case '"': lclSkipExpressionString( ++rpcString, pcEnd, '"' ); break;
520 0 : case '\'': lclSkipExpressionString( ++rpcString, pcEnd, '\'' ); break;
521 : }
522 39 : if( rpcString < pcEnd ) ++rpcString;
523 : }
524 : }
525 :
526 : /** Extracts a formula expression. Processes embedded parentheses, braces, and
527 : literal strings.
528 :
529 : @param rpcString
530 : (in-out) On call, must point to the first character of the expression.
531 : On return, points *behind* the passed end character if existing,
532 : otherwise to pcEnd.
533 :
534 : @param pcEnd
535 : The end of the string to parse.
536 :
537 : @param cEndChar
538 : The termination character following the expression.
539 : */
540 : /** Tries to skip an empty pair of parentheses (which may contain whitespace
541 : characters).
542 :
543 : @return
544 : True on success, rpcString points behind the closing parentheses then.
545 : */
546 9 : bool lclSkipEmptyParentheses( const sal_Unicode*& rpcString, const sal_Unicode* pcEnd )
547 : {
548 9 : if( (rpcString < pcEnd) && (*rpcString == '(') )
549 : {
550 9 : lclSkipWhitespace( ++rpcString, pcEnd );
551 9 : if( (rpcString < pcEnd) && (*rpcString == ')') )
552 : {
553 9 : ++rpcString;
554 9 : return true;
555 : }
556 : }
557 0 : return false;
558 : }
559 :
560 : } // namespace
561 :
562 : // ----------------------------------------------------------------------------
563 :
564 17 : void ScXMLConditionHelper::parseCondition(
565 : ScXMLConditionParseResult& rParseResult, const OUString& rAttribute, sal_Int32 nStartIndex )
566 : {
567 17 : rParseResult.meToken = XML_COND_INVALID;
568 34 : if( (nStartIndex < 0) || (nStartIndex >= rAttribute.getLength()) ) return;
569 :
570 : // try to find an identifier
571 17 : const sal_Unicode* pcBegin = rAttribute.getStr();
572 17 : const sal_Unicode* pcString = pcBegin + nStartIndex;
573 17 : const sal_Unicode* pcEnd = pcBegin + rAttribute.getLength();
574 17 : if( const ScXMLConditionInfo* pCondInfo = lclGetConditionInfo( pcString, pcEnd ) )
575 : {
576 : // insert default values into parse result (may be changed below)
577 17 : rParseResult.meValidation = pCondInfo->meValidation;
578 17 : rParseResult.meOperator = pCondInfo->meOperator;
579 : // continue parsing dependent on token type
580 17 : switch( pCondInfo->meType )
581 : {
582 : case XML_COND_TYPE_KEYWORD:
583 : // nothing specific has to follow, success
584 2 : rParseResult.meToken = pCondInfo->meToken;
585 2 : break;
586 :
587 : case XML_COND_TYPE_COMPARISON:
588 : // format is <condition>()<operator><expression>
589 7 : if( lclSkipEmptyParentheses( pcString, pcEnd ) )
590 : {
591 7 : rParseResult.meOperator = lclGetConditionOperator( pcString, pcEnd );
592 7 : if( rParseResult.meOperator != sheet::ConditionOperator_NONE )
593 : {
594 7 : lclSkipWhitespace( pcString, pcEnd );
595 7 : if( pcString < pcEnd )
596 : {
597 7 : rParseResult.meToken = pCondInfo->meToken;
598 : // comparison must be at end of attribute, remaining text is the formula
599 7 : rParseResult.maOperand1 = OUString( pcString, static_cast< sal_Int32 >( pcEnd - pcString ) );
600 : }
601 : }
602 : }
603 7 : break;
604 :
605 : case XML_COND_TYPE_FUNCTION0:
606 : // format is <condition>()
607 2 : if( lclSkipEmptyParentheses( pcString, pcEnd ) )
608 2 : rParseResult.meToken = pCondInfo->meToken;
609 2 : break;
610 :
611 : case XML_COND_TYPE_FUNCTION1:
612 : // format is <condition>(<expression>)
613 2 : if( (pcString < pcEnd) && (*pcString == '(') )
614 : {
615 2 : rParseResult.maOperand1 = getExpression( ++pcString, pcEnd, ')' );
616 2 : if( !rParseResult.maOperand1.isEmpty() )
617 2 : rParseResult.meToken = pCondInfo->meToken;
618 : }
619 2 : break;
620 :
621 : case XML_COND_TYPE_FUNCTION2:
622 : // format is <condition>(<expression1>,<expression2>)
623 4 : if( (pcString < pcEnd) && (*pcString == '(') )
624 : {
625 4 : rParseResult.maOperand1 = getExpression( ++pcString, pcEnd, ',' );
626 4 : if( !rParseResult.maOperand1.isEmpty() )
627 : {
628 4 : rParseResult.maOperand2 = getExpression( pcString, pcEnd, ')' );
629 4 : if( !rParseResult.maOperand2.isEmpty() )
630 4 : rParseResult.meToken = pCondInfo->meToken;
631 : }
632 : }
633 4 : break;
634 : }
635 17 : rParseResult.mnEndIndex = static_cast< sal_Int32 >( pcString - pcBegin );
636 : }
637 : }
638 :
639 10 : OUString ScXMLConditionHelper::getExpression( const sal_Unicode*& rpcString, const sal_Unicode* pcEnd, sal_Unicode cEndChar )
640 : {
641 10 : OUString aExp;
642 10 : const sal_Unicode* pcExpStart = rpcString;
643 10 : lclSkipExpression( rpcString, pcEnd, cEndChar );
644 10 : if( rpcString < pcEnd )
645 : {
646 10 : aExp = OUString( pcExpStart, static_cast< sal_Int32 >( rpcString - pcExpStart ) ).trim();
647 10 : ++rpcString;
648 : }
649 10 : return aExp;
650 : }
651 :
652 : // ============================================================================
653 :
654 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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