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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 "MColumnAlias.hxx"
22 : #include "MQueryHelper.hxx"
23 : #include "MConnection.hxx"
24 :
25 : #include "MorkParser.hxx"
26 : #include <stdlib.h>
27 : #include <sstream>
28 : #include <string>
29 : #include <vector>
30 : #include <algorithm>
31 : #include <string.h>
32 :
33 : #include "resource/mork_res.hrc"
34 : #include "resource/common_res.hrc"
35 :
36 : #include <connectivity/dbexception.hxx>
37 : #include <unotools/textsearch.hxx>
38 :
39 : using namespace connectivity::mork;
40 : using namespace connectivity;
41 : using namespace ::com::sun::star::beans;
42 : using namespace ::com::sun::star::sdbc;
43 :
44 :
45 : extern
46 : ::std::vector< sal_Bool > entryMatchedByExpression(MQueryHelper* _aQuery, MQueryExpression* _aExpr, MQueryHelperResultEntry* entry);
47 :
48 0 : MQueryHelperResultEntry::MQueryHelperResultEntry()
49 : {
50 0 : }
51 :
52 0 : MQueryHelperResultEntry::~MQueryHelperResultEntry()
53 : {
54 0 : }
55 :
56 0 : OUString MQueryHelperResultEntry::getValue( const OString &key ) const
57 : {
58 0 : FieldMap::const_iterator iter = m_Fields.find( key );
59 0 : if ( iter == m_Fields.end() )
60 : {
61 0 : return OUString();
62 : }
63 : else
64 : {
65 0 : return iter->second;
66 : }
67 : }
68 :
69 0 : void MQueryHelperResultEntry::setValue( const OString &key, const OUString & rValue)
70 : {
71 : // SAL_INFO("connectivity.mork", "MQueryHelper::setValue()" );
72 : // SAL_INFO("connectivity.mork", "key: " << &key << " value: " << &rValue);
73 :
74 0 : m_Fields[ key ] = rValue;
75 0 : }
76 :
77 0 : MQueryHelper::MQueryHelper(const OColumnAlias& _ca)
78 : :m_nIndex( 0 )
79 : ,m_bHasMore( sal_True )
80 : ,m_bAtEnd( sal_False )
81 : ,m_rColumnAlias( _ca )
82 0 : ,m_aError()
83 : {
84 0 : m_aResults.clear();
85 0 : }
86 :
87 0 : MQueryHelper::~MQueryHelper()
88 : {
89 : SAL_INFO("connectivity.mork", "MQueryHelper::~MQueryHelper()");
90 :
91 0 : clear_results();
92 : OSL_TRACE("OUT MQueryHelper::~MQueryHelper()");
93 0 : }
94 :
95 :
96 0 : void MQueryHelper::setAddressbook(OUString &ab)
97 : {
98 : SAL_INFO("connectivity.mork", "MQueryHelper::setAddressbook()");
99 :
100 0 : ::osl::MutexGuard aGuard(m_aMutex);
101 :
102 0 : m_aAddressbook = ab;
103 :
104 0 : OSL_TRACE("\tOUT MQuery::setAddressbook()");
105 0 : }
106 :
107 0 : void MQueryHelper::setExpression( MQueryExpression &_expr )
108 : {
109 : SAL_INFO("connectivity.mork", "MQueryHelper::setExpression()");
110 : OSL_TRACE("IN MQueryHelper::setExpression()");
111 0 : ::osl::MutexGuard aGuard(m_aMutex);
112 :
113 0 : m_aExpr = _expr;
114 :
115 0 : OSL_TRACE("\tOUT MQuery::setExpression()");
116 0 : }
117 :
118 0 : void MQueryHelper::append(MQueryHelperResultEntry* resEnt)
119 : {
120 : // SAL_INFO("connectivity.mork", "MQueryHelper::append()");
121 :
122 0 : if ( resEnt != NULL ) {
123 0 : m_aResults.push_back( resEnt );
124 0 : m_bAtEnd = sal_False;
125 : }
126 0 : }
127 :
128 0 : void MQueryHelper::clear_results()
129 : {
130 0 : resultsArray::iterator iter = m_aResults.begin();
131 0 : while ( iter != m_aResults.end() ) {
132 0 : delete (*iter);
133 0 : ++iter;
134 : }
135 0 : m_aResults.clear();
136 0 : }
137 :
138 0 : void MQueryHelper::reset()
139 : {
140 0 : m_nIndex = 0;
141 0 : m_bHasMore = sal_True;
142 0 : m_bAtEnd = sal_False;
143 0 : clear_results();
144 0 : m_aError.reset();
145 0 : }
146 :
147 : MQueryHelperResultEntry*
148 0 : MQueryHelper::getByIndex(sal_uInt32 nRow)
149 : {
150 : // Row numbers are from 1 to N, need to ensure this, and then
151 : // substract 1
152 0 : if ( nRow < 1 ) {
153 0 : return( NULL );
154 : }
155 0 : return m_aResults[nRow -1];
156 : }
157 :
158 0 : sal_Int32 MQueryHelper::getResultCount() const
159 : {
160 : // SAL_INFO("connectivity.mork", "MQueryHelper::getResultCount()" );
161 0 : sal_Int32 result = static_cast<sal_Int32>(m_aResults.size());
162 : // SAL_INFO("connectivity.mork", "result: " << result);
163 :
164 0 : return result;
165 : }
166 :
167 :
168 :
169 0 : sal_Bool MQueryHelper::queryComplete() const
170 : {
171 0 : return sal_True;
172 : }
173 :
174 0 : sal_Bool MQueryHelper::checkRowAvailable( sal_Int32 nDBRow )
175 : {
176 : /*
177 : while (!queryComplete() && getResultCount() <= (sal_uInt32)nDBRow)
178 : {
179 : if ( !m_aQueryHelper->waitForRow( nDBRow ) ) {
180 : m_aError = m_aQueryHelper->getError();
181 : return( sal_False );
182 : }
183 : }
184 : */
185 0 : return( getResultCount() > nDBRow );
186 : }
187 :
188 :
189 0 : sal_Bool MQueryHelper::getRowValue( ORowSetValue& rValue, sal_Int32 nDBRow,const OUString& aDBColumnName, sal_Int32 nType )
190 : {
191 : SAL_INFO("connectivity.mork", "MQueryHelper::getRowValue()" );
192 0 : MQueryHelperResultEntry* xResEntry = getByIndex( nDBRow );
193 :
194 : OSL_ENSURE( xResEntry != NULL, "xResEntry == NULL");
195 0 : if (xResEntry == NULL )
196 : {
197 0 : rValue.setNull();
198 0 : return sal_False;
199 : }
200 0 : switch ( nType )
201 : {
202 : case DataType::VARCHAR:
203 0 : rValue = xResEntry->getValue( m_rColumnAlias.getProgrammaticNameOrFallbackToUTF8Alias( aDBColumnName ) );
204 0 : break;
205 :
206 : default:
207 0 : rValue.setNull();
208 0 : break;
209 : }
210 :
211 0 : return sal_True;
212 : }
213 :
214 0 : sal_Int32 MQueryHelper::executeQuery(OConnection* xConnection)
215 : {
216 : SAL_INFO("connectivity.mork", "MQueryHelper::executeQuery()");
217 0 : reset();
218 :
219 0 : OString oStringTable = OUStringToOString( m_aAddressbook, RTL_TEXTENCODING_UTF8 );
220 0 : std::set<int> listRecords;
221 0 : bool handleListTable = false;
222 0 : MorkParser* xMork = xConnection->getMorkParser(oStringTable);
223 :
224 : // check if we are retrieving the default table
225 0 : if (oStringTable != "AddressBook" && oStringTable != "CollectedAddressBook")
226 : {
227 0 : handleListTable = true;
228 : // retrieve row ids for that list table
229 0 : std::string listTable = oStringTable.getStr();
230 0 : xMork->getRecordKeysForListTable(listTable, listRecords);
231 : }
232 0 : MorkTableMap::iterator tableIter;
233 0 : MorkTableMap *Tables = xMork->getTables( 0x80 );
234 0 : if (!Tables)
235 0 : return -1;
236 0 : MorkRowMap *Rows = 0;
237 0 : MorkRowMap::iterator rowIter;
238 :
239 : // Iterate all tables
240 0 : for ( tableIter = Tables->begin(); tableIter != Tables->end(); ++tableIter )
241 : {
242 0 : if (tableIter->first != 1) break;
243 0 : Rows = xMork->getRows( 0x80, &tableIter->second );
244 0 : if ( Rows )
245 : {
246 : // Iterate all rows
247 0 : for ( rowIter = Rows->begin(); rowIter != Rows->end(); ++rowIter )
248 : {
249 : // list specific table
250 : // only retrieve rowIds that belong to that list table.
251 0 : if (handleListTable)
252 : {
253 0 : int rowId = rowIter->first;
254 : // belongs this row id to the list table?
255 0 : if (listRecords.end() == std::find(listRecords.begin(), listRecords.end(), rowId))
256 : {
257 : // no, skip it
258 0 : continue;
259 : }
260 : }
261 :
262 0 : MQueryHelperResultEntry* entry = new MQueryHelperResultEntry();
263 0 : for (MorkCells::iterator CellsIter = rowIter->second.begin();
264 0 : CellsIter != rowIter->second.end(); ++CellsIter )
265 : {
266 0 : std::string column = xMork->getColumn(CellsIter->first);
267 0 : std::string value = xMork->getValue(CellsIter->second);
268 0 : OString key(column.c_str(), static_cast<sal_Int32>(column.size()));
269 0 : OString valueOString(value.c_str(), static_cast<sal_Int32>(value.size()));
270 0 : OUString valueOUString = OStringToOUString( valueOString, RTL_TEXTENCODING_UTF8 );
271 0 : entry->setValue(key, valueOUString);
272 0 : }
273 0 : ::std::vector< sal_Bool > vector = entryMatchedByExpression(this, &m_aExpr, entry);
274 0 : sal_Bool result = sal_True;
275 0 : for (::std::vector<sal_Bool>::iterator iter = vector.begin(); iter != vector.end(); ++iter)
276 : {
277 0 : result = result && *iter;
278 : }
279 0 : if (result)
280 : {
281 0 : append(entry);
282 : }
283 : else
284 : {
285 0 : delete entry;
286 : }
287 0 : }
288 : }
289 : }
290 0 : return 0;
291 : }
292 :
293 0 : ::std::vector< sal_Bool > entryMatchedByExpression(MQueryHelper* _aQuery, MQueryExpression* _aExpr, MQueryHelperResultEntry* entry)
294 : {
295 0 : ::std::vector< sal_Bool > resultVector;
296 0 : MQueryExpression::ExprVector::iterator evIter;
297 0 : for( evIter = _aExpr->getExpressions().begin();
298 0 : evIter != _aExpr->getExpressions().end();
299 : ++evIter )
300 : {
301 0 : if ( (*evIter)->isStringExpr() ) {
302 0 : MQueryExpressionString* evStr = static_cast<MQueryExpressionString*> (*evIter);
303 : // Set the 'name' property of the boolString.
304 0 : OString attrName = _aQuery->getColumnAlias().getProgrammaticNameOrFallbackToUTF8Alias( evStr->getName() );
305 : SAL_INFO("connectivity.mork", "Name = " << attrName.getStr());
306 0 : sal_Bool requiresValue = sal_True;
307 0 : OUString currentValue = entry->getValue(attrName);
308 0 : if (evStr->getCond() == MQueryOp::Exists || evStr->getCond() == MQueryOp::DoesNotExist)
309 : {
310 0 : requiresValue = sal_False;
311 : }
312 0 : if (requiresValue)
313 : {
314 : SAL_INFO("connectivity.mork", "Value = " << evStr->getValue() );
315 0 : OUString searchedValue = evStr->getValue();
316 0 : if (evStr->getCond() == MQueryOp::Is) {
317 : SAL_INFO("connectivity.mork", "MQueryOp::Is; done");
318 0 : resultVector.push_back((currentValue == searchedValue) ? sal_True : sal_False);
319 0 : } else if (evStr->getCond() == MQueryOp::IsNot) {
320 : SAL_INFO("connectivity.mork", "MQueryOp::IsNot; done");
321 0 : resultVector.push_back((currentValue == searchedValue) ? sal_False : sal_True);
322 0 : } else if (evStr->getCond() == MQueryOp::EndsWith) {
323 : SAL_INFO("connectivity.mork", "MQueryOp::EndsWith; done");
324 0 : resultVector.push_back((currentValue.endsWith(searchedValue)) ? sal_True : sal_False);
325 0 : } else if (evStr->getCond() == MQueryOp::BeginsWith) {
326 : SAL_INFO("connectivity.mork", "MQueryOp::BeginsWith; done");
327 0 : resultVector.push_back((currentValue.startsWith(searchedValue)) ? sal_True : sal_False);
328 0 : } else if (evStr->getCond() == MQueryOp::Contains) {
329 : SAL_INFO("connectivity.mork", "MQueryOp::Contains; done");
330 0 : resultVector.push_back((currentValue.indexOf(searchedValue) == -1) ? sal_False : sal_True);
331 0 : } else if (evStr->getCond() == MQueryOp::DoesNotContain) {
332 : SAL_INFO("connectivity.mork", "MQueryOp::DoesNotContain; done");
333 0 : resultVector.push_back((currentValue.indexOf(searchedValue) == -1) ? sal_True : sal_False);
334 0 : } else if (evStr->getCond() == MQueryOp::RegExp) {
335 : SAL_INFO("connectivity.mork", "MQueryOp::RegExp; done");
336 : utl::SearchParam param(
337 0 : searchedValue, utl::SearchParam::SRCH_REGEXP);
338 0 : utl::TextSearch ts(param, LANGUAGE_DONTKNOW);
339 0 : sal_Int32 start = 0;
340 0 : sal_Int32 end = currentValue.getLength();
341 : resultVector.push_back(
342 0 : ts.SearchForward(currentValue, &start, &end));
343 0 : }
344 0 : } else if (evStr->getCond() == MQueryOp::Exists) {
345 : SAL_INFO("connectivity.mork", "MQueryOp::Exists; done");
346 0 : resultVector.push_back((currentValue.isEmpty()) ? sal_False : sal_True);
347 0 : } else if (evStr->getCond() == MQueryOp::DoesNotExist) {
348 : SAL_INFO("connectivity.mork", "MQueryOp::DoesNotExist; done");
349 0 : resultVector.push_back((currentValue.isEmpty()) ? sal_True : sal_False);
350 0 : }
351 : }
352 0 : else if ( (*evIter)->isExpr() ) {
353 : SAL_INFO("connectivity.mork", "Appending Subquery Expression");
354 0 : MQueryExpression* queryExpression = static_cast<MQueryExpression*> (*evIter);
355 : // recursive call
356 0 : ::std::vector<sal_Bool> subquery_result = entryMatchedByExpression(_aQuery, queryExpression, entry);
357 0 : MQueryExpression::bool_cond condition = queryExpression->getExpressionCondition();
358 0 : if (condition == MQueryExpression::OR) {
359 0 : sal_Bool result = sal_False;
360 0 : for (::std::vector<sal_Bool>::iterator iter = subquery_result.begin(); iter != subquery_result.end(); ++iter) {
361 0 : result = result || *iter;
362 : }
363 0 : resultVector.push_back(result);
364 0 : } else if (condition == MQueryExpression::AND) {
365 0 : sal_Bool result = sal_True;
366 0 : for (::std::vector<sal_Bool>::iterator iter = subquery_result.begin(); iter != subquery_result.end(); ++iter) {
367 0 : result = result && *iter;
368 : }
369 0 : resultVector.push_back(result);
370 : } else {
371 : OSL_FAIL("Unknown Expression Type");
372 0 : }
373 : }
374 : else {
375 : // Should never see this...
376 : SAL_WARN("connectivity.mork", "Unknown Expression Type!");
377 0 : _aQuery->getError().setResId(STR_ERROR_GET_ROW);
378 0 : return resultVector;
379 : }
380 : }
381 0 : return resultVector;
382 : }
383 :
384 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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