Files
libreoffice/connectivity/source/drivers/mork/MQueryHelper.cxx
Stephan Bergmann c0bd59c15b loplugin:nullptr (automatic rewrite)
Change-Id: Iefeeb51c2b101c097a8d77a4625f84baf1f2da44
2015-11-10 10:31:20 +01:00

368 lines
13 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include "MColumnAlias.hxx"
#include "MQueryHelper.hxx"
#include "MConnection.hxx"
#include "MorkParser.hxx"
#include <stdlib.h>
#include <sstream>
#include <string>
#include <vector>
#include <algorithm>
#include <string.h>
#include "resource/mork_res.hrc"
#include "resource/common_res.hrc"
#include <connectivity/dbexception.hxx>
#include <unotools/textsearch.hxx>
using namespace connectivity::mork;
using namespace connectivity;
using namespace ::com::sun::star::beans;
using namespace ::com::sun::star::sdbc;
extern
::std::vector<bool> entryMatchedByExpression(MQueryHelper* _aQuery, MQueryExpression* _aExpr, MQueryHelperResultEntry* entry);
MQueryHelperResultEntry::MQueryHelperResultEntry()
{
}
MQueryHelperResultEntry::~MQueryHelperResultEntry()
{
}
OUString MQueryHelperResultEntry::getValue( const OString &key ) const
{
FieldMap::const_iterator iter = m_Fields.find( key );
if ( iter == m_Fields.end() )
{
return OUString();
}
else
{
return iter->second;
}
}
void MQueryHelperResultEntry::setValue( const OString &key, const OUString & rValue)
{
m_Fields[ key ] = rValue;
}
MQueryHelper::MQueryHelper(const OColumnAlias& _ca)
:m_nIndex( 0 )
,m_bHasMore( true )
,m_bAtEnd( false )
,m_rColumnAlias( _ca )
,m_aError()
{
m_aResults.clear();
}
MQueryHelper::~MQueryHelper()
{
clear_results();
OSL_TRACE("OUT MQueryHelper::~MQueryHelper()");
}
void MQueryHelper::setAddressbook(OUString &ab)
{
::osl::MutexGuard aGuard(m_aMutex);
m_aAddressbook = ab;
OSL_TRACE("\tOUT MQuery::setAddressbook()");
}
void MQueryHelper::append(MQueryHelperResultEntry* resEnt)
{
if ( resEnt != nullptr ) {
m_aResults.push_back( resEnt );
m_bAtEnd = false;
}
}
void MQueryHelper::clear_results()
{
resultsArray::iterator iter = m_aResults.begin();
while ( iter != m_aResults.end() ) {
delete (*iter);
++iter;
}
m_aResults.clear();
}
void MQueryHelper::reset()
{
m_nIndex = 0;
m_bHasMore = true;
m_bAtEnd = false;
clear_results();
m_aError.reset();
}
MQueryHelperResultEntry*
MQueryHelper::getByIndex(sal_uInt32 nRow)
{
// Row numbers are from 1 to N, need to ensure this, and then
// subtract 1
if ( nRow < 1 ) {
return nullptr;
}
return m_aResults[nRow -1];
}
sal_Int32 MQueryHelper::getResultCount() const
{
sal_Int32 result = static_cast<sal_Int32>(m_aResults.size());
return result;
}
bool MQueryHelper::checkRowAvailable( sal_Int32 nDBRow )
{
/*
while (!queryComplete() && getResultCount() <= (sal_uInt32)nDBRow)
{
if ( !m_aQueryHelper->waitForRow( nDBRow ) ) {
m_aError = m_aQueryHelper->getError();
return sal_False;
}
}
*/
return getResultCount() > nDBRow;
}
bool MQueryHelper::getRowValue( ORowSetValue& rValue, sal_Int32 nDBRow,const OUString& aDBColumnName, sal_Int32 nType )
{
MQueryHelperResultEntry* xResEntry = getByIndex( nDBRow );
OSL_ENSURE( xResEntry != nullptr, "xResEntry == NULL");
if (xResEntry == nullptr )
{
rValue.setNull();
return false;
}
switch ( nType )
{
case DataType::VARCHAR:
rValue = xResEntry->getValue( m_rColumnAlias.getProgrammaticNameOrFallbackToUTF8Alias( aDBColumnName ) );
break;
default:
rValue.setNull();
break;
}
return true;
}
sal_Int32 MQueryHelper::executeQuery(OConnection* xConnection, MQueryExpression & expr)
{
reset();
OString oStringTable = OUStringToOString( m_aAddressbook, RTL_TEXTENCODING_UTF8 );
std::set<int> listRecords;
bool handleListTable = false;
MorkParser* xMork;
// check if we are retrieving the default table
if (oStringTable == "AddressBook" || oStringTable == "CollectedAddressBook")
{
xMork = xConnection->getMorkParser(oStringTable);
}
else
{
// Let's try to retrieve the list in Collected Addresses book
xMork = xConnection->getMorkParser(OString("CollectedAddressBook"));
if (std::find(xMork->lists_.begin(), xMork->lists_.end(), m_aAddressbook) == xMork->lists_.end())
{
// so the list is in Address book
// TODO : manage case where an address book has been created
xMork = xConnection->getMorkParser(OString("AddressBook"));
}
handleListTable = true;
// retrieve row ids for that list table
std::string listTable = oStringTable.getStr();
xMork->getRecordKeysForListTable(listTable, listRecords);
}
MorkTableMap::Map::iterator tableIter;
MorkTableMap *Tables = xMork->getTables( 0x80 );
if (!Tables)
return -1;
MorkRowMap *Rows = nullptr;
MorkRowMap::Map::iterator rowIter;
// Iterate all tables
for ( tableIter = Tables->map.begin(); tableIter != Tables->map.end(); ++tableIter )
{
if (tableIter->first != 1) break;
Rows = MorkParser::getRows( 0x80, &tableIter->second );
if ( Rows )
{
// Iterate all rows
for ( rowIter = Rows->map.begin(); rowIter != Rows->map.end(); ++rowIter )
{
// list specific table
// only retrieve rowIds that belong to that list table.
if (handleListTable)
{
int rowId = rowIter->first;
// belongs this row id to the list table?
if (listRecords.end() == listRecords.find(rowId))
{
// no, skip it
continue;
}
}
MQueryHelperResultEntry* entry = new MQueryHelperResultEntry();
for (MorkCells::iterator CellsIter = rowIter->second.begin();
CellsIter != rowIter->second.end(); ++CellsIter )
{
std::string column = xMork->getColumn(CellsIter->first);
std::string value = xMork->getValue(CellsIter->second);
OString key(column.c_str(), static_cast<sal_Int32>(column.size()));
OString valueOString(value.c_str(), static_cast<sal_Int32>(value.size()));
OUString valueOUString = OStringToOUString( valueOString, RTL_TEXTENCODING_UTF8 );
entry->setValue(key, valueOUString);
}
::std::vector<bool> vector = entryMatchedByExpression(this, &expr, entry);
bool result = true;
for (::std::vector<bool>::iterator iter = vector.begin(); iter != vector.end(); ++iter)
{
result = result && *iter;
}
if (result)
{
append(entry);
}
else
{
delete entry;
}
}
}
}
return 0;
}
::std::vector<bool> entryMatchedByExpression(MQueryHelper* _aQuery, MQueryExpression* _aExpr, MQueryHelperResultEntry* entry)
{
::std::vector<bool> resultVector;
MQueryExpression::ExprVector::const_iterator evIter;
for( evIter = _aExpr->getExpressions().begin();
evIter != _aExpr->getExpressions().end();
++evIter )
{
if ( (*evIter)->isStringExpr() ) {
MQueryExpressionString* evStr = static_cast<MQueryExpressionString*> (*evIter);
// Set the 'name' property of the boolString.
OString attrName = _aQuery->getColumnAlias().getProgrammaticNameOrFallbackToUTF8Alias( evStr->getName() );
SAL_INFO("connectivity.mork", "Name = " << attrName.getStr());
bool bRequiresValue = true;
OUString currentValue = entry->getValue(attrName);
if (evStr->getCond() == MQueryOp::Exists || evStr->getCond() == MQueryOp::DoesNotExist)
{
bRequiresValue = false;
}
if (bRequiresValue)
{
SAL_INFO("connectivity.mork", "Value = " << evStr->getValue() );
OUString searchedValue = evStr->getValue();
if (evStr->getCond() == MQueryOp::Is) {
SAL_INFO("connectivity.mork", "MQueryOp::Is; done");
resultVector.push_back(currentValue == searchedValue);
} else if (evStr->getCond() == MQueryOp::IsNot) {
SAL_INFO("connectivity.mork", "MQueryOp::IsNot; done");
resultVector.push_back(currentValue != searchedValue);
} else if (evStr->getCond() == MQueryOp::EndsWith) {
SAL_INFO("connectivity.mork", "MQueryOp::EndsWith; done");
resultVector.push_back(currentValue.endsWith(searchedValue));
} else if (evStr->getCond() == MQueryOp::BeginsWith) {
SAL_INFO("connectivity.mork", "MQueryOp::BeginsWith; done");
resultVector.push_back(currentValue.startsWith(searchedValue));
} else if (evStr->getCond() == MQueryOp::Contains) {
SAL_INFO("connectivity.mork", "MQueryOp::Contains; done");
resultVector.push_back(currentValue.indexOf(searchedValue) != -1);
} else if (evStr->getCond() == MQueryOp::DoesNotContain) {
SAL_INFO("connectivity.mork", "MQueryOp::DoesNotContain; done");
resultVector.push_back(currentValue.indexOf(searchedValue) == -1);
} else if (evStr->getCond() == MQueryOp::RegExp) {
SAL_INFO("connectivity.mork", "MQueryOp::RegExp; done");
utl::SearchParam param(
searchedValue, utl::SearchParam::SRCH_REGEXP);
utl::TextSearch ts(param, LANGUAGE_DONTKNOW);
sal_Int32 start = 0;
sal_Int32 end = currentValue.getLength();
resultVector.push_back(
ts.SearchForward(currentValue, &start, &end));
}
} else if (evStr->getCond() == MQueryOp::Exists) {
SAL_INFO("connectivity.mork", "MQueryOp::Exists; done");
resultVector.push_back(!currentValue.isEmpty());
} else if (evStr->getCond() == MQueryOp::DoesNotExist) {
SAL_INFO("connectivity.mork", "MQueryOp::DoesNotExist; done");
resultVector.push_back(currentValue.isEmpty());
}
}
else if ( (*evIter)->isExpr() ) {
SAL_INFO("connectivity.mork", "Appending Subquery Expression");
MQueryExpression* queryExpression = static_cast<MQueryExpression*> (*evIter);
// recursive call
::std::vector<bool> subquery_result = entryMatchedByExpression(_aQuery, queryExpression, entry);
MQueryExpression::bool_cond condition = queryExpression->getExpressionCondition();
if (condition == MQueryExpression::OR) {
bool result = false;
for (::std::vector<bool>::iterator iter = subquery_result.begin(); iter != subquery_result.end(); ++iter) {
result = result || *iter;
}
resultVector.push_back(result);
} else if (condition == MQueryExpression::AND) {
bool result = true;
for (::std::vector<bool>::iterator iter = subquery_result.begin(); iter != subquery_result.end(); ++iter) {
result = result && *iter;
}
resultVector.push_back(result);
} else {
OSL_FAIL("Unknown Expression Type");
}
}
else {
// Should never see this...
SAL_WARN("connectivity.mork", "Unknown Expression Type!");
_aQuery->getError().setResId(STR_ERROR_GET_ROW);
return resultVector;
}
}
return resultVector;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */