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Diffstat (limited to 'connectivity/source/parse/sqlnode.cxx')
| -rw-r--r-- | connectivity/source/parse/sqlnode.cxx | 2787 |
1 files changed, 2787 insertions, 0 deletions
diff --git a/connectivity/source/parse/sqlnode.cxx b/connectivity/source/parse/sqlnode.cxx new file mode 100644 index 000000000..d31bcd2a9 --- /dev/null +++ b/connectivity/source/parse/sqlnode.cxx @@ -0,0 +1,2787 @@ +/* -*- 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 <sal/macros.h> +#include <connectivity/sqlnode.hxx> +#include <connectivity/sqlerror.hxx> +#include <connectivity/sqlbison_exports.hxx> +#include <connectivity/internalnode.hxx> +#define YYBISON 1 +#include <sqlbison.hxx> +#include <connectivity/sqlparse.hxx> +#include <connectivity/sqlscan.hxx> +#include <com/sun/star/lang/Locale.hpp> +#include <com/sun/star/util/XNumberFormatter.hpp> +#include <com/sun/star/util/XNumberFormatTypes.hpp> +#include <com/sun/star/i18n/LocaleData.hpp> +#include <com/sun/star/i18n/NumberFormatIndex.hpp> +#include <com/sun/star/beans/XPropertySet.hpp> +#include <com/sun/star/sdbc/XDatabaseMetaData.hpp> +#include <com/sun/star/sdbc/DataType.hpp> +#include <com/sun/star/sdb/XQueriesSupplier.hpp> +#include <com/sun/star/sdb/ErrorCondition.hpp> +#include <com/sun/star/util/XNumberFormatsSupplier.hpp> +#include <com/sun/star/util/XNumberFormats.hpp> +#include <com/sun/star/util/NumberFormat.hpp> +#include <com/sun/star/i18n/KParseType.hpp> +#include <com/sun/star/i18n/KParseTokens.hpp> +#include <com/sun/star/i18n/CharacterClassification.hpp> +#include <connectivity/dbconversion.hxx> +#include <com/sun/star/util/DateTime.hpp> +#include <com/sun/star/util/Time.hpp> +#include <com/sun/star/util/Date.hpp> +#include <TConnection.hxx> +#include <comphelper/numbers.hxx> +#include <connectivity/dbtools.hxx> +#include <connectivity/dbmetadata.hxx> +#include <tools/diagnose_ex.h> +#include <string.h> +#include <algorithm> +#include <functional> +#include <memory> +#include <rtl/ustrbuf.hxx> +#include <sal/log.hxx> + +using namespace ::com::sun::star::sdbc; +using namespace ::com::sun::star::util; +using namespace ::com::sun::star::beans; +using namespace ::com::sun::star::sdb; +using namespace ::com::sun::star::uno; +using namespace ::com::sun::star::lang; +using namespace ::com::sun::star::i18n; +using namespace ::com::sun::star; +using namespace ::osl; +using namespace ::dbtools; +using namespace ::comphelper; + +namespace +{ + + bool lcl_saveConvertToNumber(const Reference< XNumberFormatter > & _xFormatter,sal_Int32 _nKey,const OUString& _sValue,double& _nrValue) + { + bool bRet = false; + try + { + _nrValue = _xFormatter->convertStringToNumber(_nKey, _sValue); + bRet = true; + } + catch(Exception&) + { + } + return bRet; + } + + void replaceAndReset(connectivity::OSQLParseNode*& _pResetNode,connectivity::OSQLParseNode* _pNewNode) + { + _pResetNode->getParent()->replace(_pResetNode, _pNewNode); + delete _pResetNode; + _pResetNode = _pNewNode; + } + + /** quotes a string and search for quotes inside the string and replace them with the new quote + @param rValue + The value to be quoted. + @param rQuot + The quote + @param rQuotToReplace + The quote to replace with + @return + The quoted string. + */ + OUString SetQuotation(const OUString& rValue, const OUString& rQuot, const OUString& rQuotToReplace) + { + OUString rNewValue = rQuot + rValue; + sal_Int32 nIndex = sal_Int32(-1); // Replace quotes with double quotes or the parser gets into problems + + if (!rQuot.isEmpty()) + { + do + { + nIndex += 2; + nIndex = rNewValue.indexOf(rQuot,nIndex); + if(nIndex != -1) + rNewValue = rNewValue.replaceAt(nIndex,rQuot.getLength(),rQuotToReplace); + } while (nIndex != -1); + } + + rNewValue += rQuot; + return rNewValue; + } + + bool columnMatchP(const connectivity::OSQLParseNode* pSubTree, const connectivity::SQLParseNodeParameter& rParam) + { + using namespace connectivity; + assert(SQL_ISRULE(pSubTree,column_ref)); + + if(!rParam.xField.is()) + return false; + + // retrieve the field's name & table range + OUString aFieldName; + try + { + sal_Int32 nNamePropertyId = PROPERTY_ID_NAME; + if ( rParam.xField->getPropertySetInfo()->hasPropertyByName( OMetaConnection::getPropMap().getNameByIndex( PROPERTY_ID_REALNAME ) ) ) + nNamePropertyId = PROPERTY_ID_REALNAME; + rParam.xField->getPropertyValue( OMetaConnection::getPropMap().getNameByIndex( nNamePropertyId ) ) >>= aFieldName; + } + catch ( Exception& ) + { + } + + if(pSubTree->count()) + { + const OSQLParseNode* pCol = pSubTree->getChild(pSubTree->count()-1); + if (SQL_ISRULE(pCol,column_val)) + { + assert(pCol->count() == 1); + pCol = pCol->getChild(0); + } + const OSQLParseNode* pTable(nullptr); + switch (pSubTree->count()) + { + case 1: + break; + case 3: + pTable = pSubTree->getChild(0); + break; + case 5: + case 7: + SAL_WARN("connectivity.parse", "SQL: catalog and/or schema in column_ref in predicate"); + break; + default: + SAL_WARN("connectivity.parse", "columnMatchP: SQL grammar changed; column_ref has " << pSubTree->count() << " children"); + assert(false); + break; + } + // TODO: not all DBMS match column names case-insensitively... + // see XDatabaseMetaData::supportsMixedCaseIdentifiers() + // and XDatabaseMetaData::supportsMixedCaseQuotedIdentifiers() + if ( // table name matches (or no table name)? + ( !pTable || pTable->getTokenValue().equalsIgnoreAsciiCase(rParam.sPredicateTableAlias) ) + && // column name matches? + pCol->getTokenValue().equalsIgnoreAsciiCase(aFieldName) + ) + return true; + } + return false; + } +} + +namespace connectivity +{ + +SQLParseNodeParameter::SQLParseNodeParameter( const Reference< XConnection >& _rxConnection, + const Reference< XNumberFormatter >& _xFormatter, const Reference< XPropertySet >& _xField, + const OUString &_sPredicateTableAlias, + const Locale& _rLocale, const IParseContext* _pContext, + bool _bIntl, bool _bQuote, OUString _sDecSep, bool _bPredicate, bool _bParseToSDBC ) + :rLocale(_rLocale) + ,aMetaData( _rxConnection ) + ,pParser( nullptr ) + ,pSubQueryHistory( std::make_shared<QueryNameSet>() ) + ,xFormatter(_xFormatter) + ,xField(_xField) + ,sPredicateTableAlias(_sPredicateTableAlias) + ,m_rContext( _pContext ? *_pContext : OSQLParser::s_aDefaultContext ) + ,sDecSep(_sDecSep) + ,bQuote(_bQuote) + ,bInternational(_bIntl) + ,bPredicate(_bPredicate) + ,bParseToSDBCLevel( _bParseToSDBC ) +{ +} + +OUString OSQLParseNode::convertDateString(const SQLParseNodeParameter& rParam, const OUString& rString) +{ + Date aDate = DBTypeConversion::toDate(rString); + Reference< XNumberFormatsSupplier > xSupplier(rParam.xFormatter->getNumberFormatsSupplier()); + Reference< XNumberFormatTypes > xTypes(xSupplier->getNumberFormats(), UNO_QUERY); + + double fDate = DBTypeConversion::toDouble(aDate,DBTypeConversion::getNULLDate(xSupplier)); + sal_Int32 nKey = xTypes->getStandardIndex(rParam.rLocale) + 36; // XXX hack + return rParam.xFormatter->convertNumberToString(nKey, fDate); +} + + +OUString OSQLParseNode::convertDateTimeString(const SQLParseNodeParameter& rParam, const OUString& rString) +{ + DateTime aDate = DBTypeConversion::toDateTime(rString); + Reference< XNumberFormatsSupplier > xSupplier(rParam.xFormatter->getNumberFormatsSupplier()); + Reference< XNumberFormatTypes > xTypes(xSupplier->getNumberFormats(), UNO_QUERY); + + double fDateTime = DBTypeConversion::toDouble(aDate,DBTypeConversion::getNULLDate(xSupplier)); + sal_Int32 nKey = xTypes->getStandardIndex(rParam.rLocale) + 51; // XXX hack + return rParam.xFormatter->convertNumberToString(nKey, fDateTime); +} + + +OUString OSQLParseNode::convertTimeString(const SQLParseNodeParameter& rParam, const OUString& rString) +{ + css::util::Time aTime = DBTypeConversion::toTime(rString); + Reference< XNumberFormatsSupplier > xSupplier(rParam.xFormatter->getNumberFormatsSupplier()); + + Reference< XNumberFormatTypes > xTypes(xSupplier->getNumberFormats(), UNO_QUERY); + + double fTime = DBTypeConversion::toDouble(aTime); + sal_Int32 nKey = xTypes->getStandardIndex(rParam.rLocale) + 41; // XXX hack + return rParam.xFormatter->convertNumberToString(nKey, fTime); +} + + +void OSQLParseNode::parseNodeToStr(OUString& rString, + const Reference< XConnection >& _rxConnection, + const IParseContext* pContext, + bool _bIntl, + bool _bQuote) const +{ + parseNodeToStr( + rString, _rxConnection, nullptr, nullptr, OUString(), + pContext ? pContext->getPreferredLocale() : OParseContext::getDefaultLocale(), + pContext, _bIntl, _bQuote, OUString("."), false ); +} + + +void OSQLParseNode::parseNodeToPredicateStr(OUString& rString, + const Reference< XConnection >& _rxConnection, + const Reference< XNumberFormatter > & xFormatter, + const css::lang::Locale& rIntl, + OUString _sDec, + const IParseContext* pContext ) const +{ + OSL_ENSURE(xFormatter.is(), "OSQLParseNode::parseNodeToPredicateStr:: no formatter!"); + + if (xFormatter.is()) + parseNodeToStr(rString, _rxConnection, xFormatter, nullptr, OUString(), rIntl, pContext, true, true, _sDec, true); +} + + +void OSQLParseNode::parseNodeToPredicateStr(OUString& rString, + const Reference< XConnection > & _rxConnection, + const Reference< XNumberFormatter > & xFormatter, + const Reference< XPropertySet > & _xField, + const OUString &_sPredicateTableAlias, + const css::lang::Locale& rIntl, + OUString _sDec, + const IParseContext* pContext ) const +{ + OSL_ENSURE(xFormatter.is(), "OSQLParseNode::parseNodeToPredicateStr:: no formatter!"); + + if (xFormatter.is()) + parseNodeToStr( rString, _rxConnection, xFormatter, _xField, _sPredicateTableAlias, rIntl, pContext, true, true, _sDec, true ); +} + + +void OSQLParseNode::parseNodeToStr(OUString& rString, + const Reference< XConnection > & _rxConnection, + const Reference< XNumberFormatter > & xFormatter, + const Reference< XPropertySet > & _xField, + const OUString &_sPredicateTableAlias, + const css::lang::Locale& rIntl, + const IParseContext* pContext, + bool _bIntl, + bool _bQuote, + OUString _sDecSep, + bool _bPredicate) const +{ + OSL_ENSURE( _rxConnection.is(), "OSQLParseNode::parseNodeToStr: invalid connection!" ); + + if ( !_rxConnection.is() ) + return; + + OUStringBuffer sBuffer = rString; + try + { + OSQLParseNode::impl_parseNodeToString_throw( sBuffer, + SQLParseNodeParameter( + _rxConnection, xFormatter, _xField, _sPredicateTableAlias, rIntl, pContext, + _bIntl, _bQuote, _sDecSep, _bPredicate, false + ) ); + } + catch( const SQLException& ) + { + SAL_WARN( "connectivity.parse", "OSQLParseNode::parseNodeToStr: this should not throw!" ); + // our callers don't expect this method to throw anything. The only known situation + // where impl_parseNodeToString_throw can throw is when there is a cyclic reference + // in the sub queries, but this cannot be the case here, as we do not parse to + // SDBC level. + } + rString = sBuffer.makeStringAndClear(); +} + +bool OSQLParseNode::parseNodeToExecutableStatement( OUString& _out_rString, const Reference< XConnection >& _rxConnection, + OSQLParser& _rParser, css::sdbc::SQLException* _pErrorHolder ) const +{ + OSL_PRECOND( _rxConnection.is(), "OSQLParseNode::parseNodeToExecutableStatement: invalid connection!" ); + SQLParseNodeParameter aParseParam( _rxConnection, + nullptr, nullptr, OUString(), OParseContext::getDefaultLocale(), nullptr, false, true, OUString("."), false, true ); + + if ( aParseParam.aMetaData.supportsSubqueriesInFrom() ) + { + Reference< XQueriesSupplier > xSuppQueries( _rxConnection, UNO_QUERY ); + OSL_ENSURE( xSuppQueries.is(), "OSQLParseNode::parseNodeToExecutableStatement: cannot substitute everything without a QueriesSupplier!" ); + if ( xSuppQueries.is() ) + aParseParam.xQueries = xSuppQueries->getQueries(); + } + + aParseParam.pParser = &_rParser; + + // LIMIT keyword differs in Firebird + OSQLParseNode* pTableExp = getChild(3); + Reference< XDatabaseMetaData > xMeta( _rxConnection->getMetaData() ); + OUString sLimitValue; + if( pTableExp->getChild(6)->count() >= 2 && pTableExp->getChild(6)->getChild(1) + && (xMeta->getURL().equalsIgnoreAsciiCase("sdbc:embedded:firebird") + || xMeta->getURL().startsWithIgnoreAsciiCase("sdbc:firebird:"))) + { + sLimitValue = pTableExp->getChild(6)->getChild(1)->getTokenValue(); + pTableExp->removeAt(6); + } + + _out_rString.clear(); + OUStringBuffer sBuffer; + bool bSuccess = false; + try + { + impl_parseNodeToString_throw( sBuffer, aParseParam ); + bSuccess = true; + } + catch( const SQLException& e ) + { + if ( _pErrorHolder ) + *_pErrorHolder = e; + } + + if(sLimitValue.getLength() > 0) + { + constexpr char SELECT_KEYWORD[] = "SELECT"; + sBuffer.insert(sBuffer.indexOf(SELECT_KEYWORD) + strlen(SELECT_KEYWORD), + " FIRST " + sLimitValue); + } + + _out_rString = sBuffer.makeStringAndClear(); + return bSuccess; +} + + +namespace +{ + bool lcl_isAliasNamePresent( const OSQLParseNode& _rTableNameNode ) + { + return !OSQLParseNode::getTableRange(_rTableNameNode.getParent()).isEmpty(); + } +} + + +void OSQLParseNode::impl_parseNodeToString_throw(OUStringBuffer& rString, const SQLParseNodeParameter& rParam, bool bSimple) const +{ + if ( isToken() ) + { + parseLeaf(rString,rParam); + return; + } + + // Lets see how many nodes this subtree has + sal_uInt32 nCount = count(); + + bool bHandled = false; + switch ( getKnownRuleID() ) + { + // special handling for parameters + case parameter: + { + bSimple=false; + if(!rString.isEmpty()) + rString.append(" "); + if (nCount == 1) // ? + m_aChildren[0]->impl_parseNodeToString_throw( rString, rParam, false ); + else if (rParam.bParseToSDBCLevel && rParam.aMetaData.shouldSubstituteParameterNames()) + { + rString.append("?"); + } + else if (nCount == 2) // :Name + { + m_aChildren[0]->impl_parseNodeToString_throw( rString, rParam, false ); + rString.append(m_aChildren[1]->m_aNodeValue); + } // [Name] + else + { + assert (nCount == 3); + m_aChildren[0]->impl_parseNodeToString_throw( rString, rParam, false ); + rString.append(m_aChildren[1]->m_aNodeValue); + rString.append(m_aChildren[2]->m_aNodeValue); + } + bHandled = true; + } + break; + + // table refs + case table_ref: + bSimple=false; + if ( ( nCount == 2 ) || ( nCount == 3 ) || ( nCount == 5 ) ) + { + impl_parseTableRangeNodeToString_throw( rString, rParam ); + bHandled = true; + } + break; + + // table name - might be a query name + case table_name: + bSimple=false; + bHandled = impl_parseTableNameNodeToString_throw( rString, rParam ); + break; + + case as_clause: + bSimple=false; + assert(nCount == 0 || nCount == 2); + if (nCount == 2) + { + if ( rParam.aMetaData.generateASBeforeCorrelationName() ) + rString.append(" AS "); + m_aChildren[1]->impl_parseNodeToString_throw( rString, rParam, false ); + } + bHandled = true; + break; + + case opt_as: + assert(nCount == 0); + bHandled = true; + break; + + case like_predicate: + // Depending on whether international is given, LIKE is treated differently + // international: *, ? are placeholders + // else SQL92 conform: %, _ + impl_parseLikeNodeToString_throw( rString, rParam, bSimple ); + bHandled = true; + break; + + case general_set_fct: + case set_fct_spec: + case position_exp: + case extract_exp: + case length_exp: + case char_value_fct: + bSimple=false; + if (!addDateValue(rString, rParam)) + { + // Do not quote function name + SQLParseNodeParameter aNewParam(rParam); + aNewParam.bQuote = ( SQL_ISRULE(this,length_exp) || SQL_ISRULE(this,char_value_fct) ); + + m_aChildren[0]->impl_parseNodeToString_throw( rString, aNewParam, false ); + aNewParam.bQuote = rParam.bQuote; + //aNewParam.bPredicate = sal_False; // disable [ ] around names // look at i73215 + OUStringBuffer aStringPara; + for (sal_uInt32 i=1; i<nCount; i++) + { + const OSQLParseNode * pSubTree = m_aChildren[i].get(); + if (pSubTree) + { + pSubTree->impl_parseNodeToString_throw( aStringPara, aNewParam, false ); + + // In the comma lists, put commas in-between all subtrees + if ((m_eNodeType == SQLNodeType::CommaListRule) && (i < (nCount - 1))) + aStringPara.append(","); + } + else + i++; + } + rString.append(aStringPara.makeStringAndClear()); + } + bHandled = true; + break; + case odbc_call_spec: + case subquery: + case term: + case factor: + case window_function: + case cast_spec: + case num_value_exp: + bSimple = false; + break; + default: + break; + } // switch ( getKnownRuleID() ) + + if ( bHandled ) + return; + + for (auto i = m_aChildren.begin(); i != m_aChildren.end();) + { + const OSQLParseNode* pSubTree = i->get(); + if ( !pSubTree ) + { + ++i; + continue; + } + + SQLParseNodeParameter aNewParam(rParam); + + // don't replace the field for subqueries + if (rParam.xField.is() && SQL_ISRULE(pSubTree,subquery)) + aNewParam.xField = nullptr; + + // When we are building a criterion inside a query view, + // simplify criterion display by removing: + // "currentFieldName" + // "currentFieldName" = + // but only in simple expressions. + // This means anything that is made of: + // (see the rules conditionalised by inPredicateCheck() in sqlbison.y). + // - parentheses + // - logical operators (and, or, not) + // - comparison operators (IS, =, >, <, BETWEEN, LIKE, ...) + // but *not* e.g. in function arguments + if (bSimple && rParam.bPredicate && rParam.xField.is() && SQL_ISRULE(pSubTree,column_ref)) + { + if (columnMatchP(pSubTree, rParam)) + { + // skip field + ++i; + // if the following node is the comparison operator'=', + // we filter it as well + if (SQL_ISRULE(this, comparison_predicate)) + { + if(i != m_aChildren.end()) + { + pSubTree = i->get(); + if (pSubTree && pSubTree->getNodeType() == SQLNodeType::Equal) + ++i; + } + } + } + else + { + pSubTree->impl_parseNodeToString_throw( rString, aNewParam, bSimple ); + ++i; + + // In the comma lists, put commas in-between all subtrees + if ((m_eNodeType == SQLNodeType::CommaListRule) && (i != m_aChildren.end())) + rString.append(","); + } + } + else + { + pSubTree->impl_parseNodeToString_throw( rString, aNewParam, bSimple ); + ++i; + + // In the comma lists, put commas in-between all subtrees + if ((m_eNodeType == SQLNodeType::CommaListRule) && (i != m_aChildren.end())) + { + if (SQL_ISRULE(this,value_exp_commalist) && rParam.bPredicate) + rString.append(";"); + else + rString.append(","); + } + } + // The right hand-side of these operators is not simple + switch ( getKnownRuleID() ) + { + case general_set_fct: + case set_fct_spec: + case position_exp: + case extract_exp: + case length_exp: + case char_value_fct: + case odbc_call_spec: + case subquery: + case comparison_predicate: + case between_predicate: + case like_predicate: + case test_for_null: + case in_predicate: + case existence_test: + case unique_test: + case all_or_any_predicate: + case join_condition: + case comparison_predicate_part_2: + case parenthesized_boolean_value_expression: + case other_like_predicate_part_2: + case between_predicate_part_2: + bSimple=false; + break; + default: + break; + } + } +} + + +bool OSQLParseNode::impl_parseTableNameNodeToString_throw( OUStringBuffer& rString, const SQLParseNodeParameter& rParam ) const +{ + // is the table_name part of a table_ref? + OSL_ENSURE( getParent(), "OSQLParseNode::impl_parseTableNameNodeToString_throw: table_name without parent?" ); + if ( !getParent() || ( getParent()->getKnownRuleID() != table_ref ) ) + return false; + + // if it's a query, maybe we need to substitute the SQL statement ... + if ( !rParam.bParseToSDBCLevel ) + return false; + + if ( !rParam.xQueries.is() ) + // connection does not support queries in queries, or was no query supplier + return false; + + try + { + OUString sTableOrQueryName( getChild(0)->getTokenValue() ); + bool bIsQuery = rParam.xQueries->hasByName( sTableOrQueryName ); + if ( !bIsQuery ) + return false; + + // avoid recursion (e.g. "foo" defined as "SELECT * FROM bar" and "bar" defined as "SELECT * FROM foo". + if ( rParam.pSubQueryHistory->find( sTableOrQueryName ) != rParam.pSubQueryHistory->end() ) + { + OSL_ENSURE( rParam.pParser, "OSQLParseNode::impl_parseTableNameNodeToString_throw: no parser?" ); + if ( rParam.pParser ) + { + const SQLError& rErrors( rParam.pParser->getErrorHelper() ); + rErrors.raiseException( sdb::ErrorCondition::PARSER_CYCLIC_SUB_QUERIES ); + } + else + { + SQLError aErrors; + aErrors.raiseException( sdb::ErrorCondition::PARSER_CYCLIC_SUB_QUERIES ); + } + } + rParam.pSubQueryHistory->insert( sTableOrQueryName ); + + Reference< XPropertySet > xQuery( rParam.xQueries->getByName( sTableOrQueryName ), UNO_QUERY_THROW ); + + // substitute the query name with the constituting command + OUString sCommand; + OSL_VERIFY( xQuery->getPropertyValue( OMetaConnection::getPropMap().getNameByIndex( PROPERTY_ID_COMMAND ) ) >>= sCommand ); + + bool bEscapeProcessing = false; + OSL_VERIFY( xQuery->getPropertyValue( OMetaConnection::getPropMap().getNameByIndex( PROPERTY_ID_ESCAPEPROCESSING ) ) >>= bEscapeProcessing ); + + // the query we found here might itself be based on another query, so parse it recursively + OSL_ENSURE( rParam.pParser, "OSQLParseNode::impl_parseTableNameNodeToString_throw: cannot analyze sub queries without a parser!" ); + if ( bEscapeProcessing && rParam.pParser ) + { + OUString sError; + std::unique_ptr< OSQLParseNode > pSubQueryNode( rParam.pParser->parseTree( sError, sCommand ) ); + if (pSubQueryNode) + { + // parse the sub-select to SDBC level, too + OUStringBuffer sSubSelect; + pSubQueryNode->impl_parseNodeToString_throw( sSubSelect, rParam, false ); + if ( !sSubSelect.isEmpty() ) + sCommand = sSubSelect.makeStringAndClear(); + } + } + + rString.append( " ( " ); + rString.append(sCommand); + rString.append( " )" ); + + // append the query name as table alias, since it might be referenced in other + // parts of the statement - but only if there's no other alias name present + if ( !lcl_isAliasNamePresent( *this ) ) + { + rString.append( " AS " ); + if ( rParam.bQuote ) + rString.append(SetQuotation( sTableOrQueryName, + rParam.aMetaData.getIdentifierQuoteString(), rParam.aMetaData.getIdentifierQuoteString() )); + } + + // don't forget to remove the query name from the history, else multiple inclusions + // won't work + // #i69227# / 2006-10-10 / frank.schoenheit@sun.com + rParam.pSubQueryHistory->erase( sTableOrQueryName ); + + return true; + } + catch( const SQLException& ) + { + throw; + } + catch( const Exception& ) + { + DBG_UNHANDLED_EXCEPTION("connectivity.parse"); + } + return false; +} + + +void OSQLParseNode::impl_parseTableRangeNodeToString_throw(OUStringBuffer& rString, const SQLParseNodeParameter& rParam) const +{ + OSL_PRECOND( ( count() == 2 ) || ( count() == 3 ) || ( count() == 5 ) ,"Illegal count"); + + // rString += " "; + std::for_each(m_aChildren.begin(),m_aChildren.end(), + [&] (std::unique_ptr<OSQLParseNode> const & pNode) { pNode->impl_parseNodeToString_throw(rString, rParam, false); }); +} + + +void OSQLParseNode::impl_parseLikeNodeToString_throw( OUStringBuffer& rString, const SQLParseNodeParameter& rParam, bool bSimple ) const +{ + assert(SQL_ISRULE(this,like_predicate)); + OSL_ENSURE(count() == 2,"count != 2: Prepare for GPF"); + + const OSQLParseNode* pEscNode = nullptr; + const OSQLParseNode* pParaNode = nullptr; + + SQLParseNodeParameter aNewParam(rParam); + //aNewParam.bQuote = sal_True; // why setting this to true? @see https://bz.apache.org/ooo/show_bug.cgi?id=75557 + + if ( !(bSimple && rParam.bPredicate && rParam.xField.is() && SQL_ISRULE(m_aChildren[0],column_ref) && columnMatchP(m_aChildren[0].get(), rParam)) ) + m_aChildren[0]->impl_parseNodeToString_throw( rString, aNewParam, bSimple ); + + const OSQLParseNode* pPart2 = m_aChildren[1].get(); + pPart2->getChild(0)->impl_parseNodeToString_throw( rString, aNewParam, false ); + pPart2->getChild(1)->impl_parseNodeToString_throw( rString, aNewParam, false ); + pParaNode = pPart2->getChild(2); + pEscNode = pPart2->getChild(3); + + if (pParaNode->isToken()) + { + OUString aStr = ConvertLikeToken(pParaNode, pEscNode, rParam.bInternational); + rString.append(" "); + rString.append(SetQuotation(aStr,"\'","\'\'")); + } + else + pParaNode->impl_parseNodeToString_throw( rString, aNewParam, false ); + + pEscNode->impl_parseNodeToString_throw( rString, aNewParam, false ); +} + + +bool OSQLParseNode::getTableComponents(const OSQLParseNode* _pTableNode, + css::uno::Any &_rCatalog, + OUString &_rSchema, + OUString &_rTable, + const Reference< XDatabaseMetaData >& _xMetaData) +{ + OSL_ENSURE(_pTableNode,"Wrong use of getTableComponents! _pTableNode is not allowed to be null!"); + if(_pTableNode) + { + const bool bSupportsCatalog = _xMetaData.is() && _xMetaData->supportsCatalogsInDataManipulation(); + const bool bSupportsSchema = _xMetaData.is() && _xMetaData->supportsSchemasInDataManipulation(); + const OSQLParseNode* pTableNode = _pTableNode; + // clear the parameter given + _rCatalog = Any(); + _rSchema.clear(); + _rTable.clear(); + // see rule catalog_name: in sqlbison.y + if (SQL_ISRULE(pTableNode,catalog_name)) + { + OSL_ENSURE(pTableNode->getChild(0) && pTableNode->getChild(0)->isToken(),"Invalid parsenode!"); + _rCatalog <<= pTableNode->getChild(0)->getTokenValue(); + pTableNode = pTableNode->getChild(2); + } + // check if we have schema_name rule + if(SQL_ISRULE(pTableNode,schema_name)) + { + if ( bSupportsCatalog && !bSupportsSchema ) + _rCatalog <<= pTableNode->getChild(0)->getTokenValue(); + else + _rSchema = pTableNode->getChild(0)->getTokenValue(); + pTableNode = pTableNode->getChild(2); + } + // check if we have table_name rule + if(SQL_ISRULE(pTableNode,table_name)) + { + _rTable = pTableNode->getChild(0)->getTokenValue(); + } + else + { + SAL_WARN( "connectivity.parse","Error in parse tree!"); + } + } + return !_rTable.isEmpty(); +} + +void OSQLParser::killThousandSeparator(OSQLParseNode* pLiteral) +{ + if ( pLiteral ) + { + if ( s_xLocaleData->getLocaleItem( m_pData->aLocale ).decimalSeparator.toChar() == ',' ) + { + pLiteral->m_aNodeValue = pLiteral->m_aNodeValue.replace('.', sal_Unicode()); + // and replace decimal + pLiteral->m_aNodeValue = pLiteral->m_aNodeValue.replace(',', '.'); + } + else + pLiteral->m_aNodeValue = pLiteral->m_aNodeValue.replace(',', sal_Unicode()); + } +} + +OSQLParseNode* OSQLParser::convertNode(sal_Int32 nType, OSQLParseNode* pLiteral) +{ + if ( !pLiteral ) + return nullptr; + + OSQLParseNode* pReturn = pLiteral; + + if ( ( pLiteral->isRule() && !SQL_ISRULE(pLiteral,value_exp) ) || SQL_ISTOKEN(pLiteral,FALSE) || SQL_ISTOKEN(pLiteral,TRUE) ) + { + switch(nType) + { + case DataType::CHAR: + case DataType::VARCHAR: + case DataType::LONGVARCHAR: + case DataType::CLOB: + if ( !SQL_ISRULE(pReturn,char_value_exp) && !buildStringNodes(pReturn) ) + pReturn = nullptr; + break; + default: + break; + } + } + else + { + switch(pLiteral->getNodeType()) + { + case SQLNodeType::String: + switch(nType) + { + case DataType::CHAR: + case DataType::VARCHAR: + case DataType::LONGVARCHAR: + case DataType::CLOB: + break; + case DataType::DATE: + case DataType::TIME: + case DataType::TIMESTAMP: + if (m_xFormatter.is()) + pReturn = buildDate( nType, pReturn); + break; + default: + m_sErrorMessage = m_pContext->getErrorMessage(IParseContext::ErrorCode::InvalidCompare); + break; + } + break; + case SQLNodeType::AccessDate: + switch(nType) + { + case DataType::DATE: + case DataType::TIME: + case DataType::TIMESTAMP: + if ( m_xFormatter.is() ) + pReturn = buildDate( nType, pReturn); + else + m_sErrorMessage = m_pContext->getErrorMessage(IParseContext::ErrorCode::InvalidDateCompare); + break; + default: + m_sErrorMessage = m_pContext->getErrorMessage(IParseContext::ErrorCode::InvalidCompare); + break; + } + break; + case SQLNodeType::IntNum: + switch(nType) + { + case DataType::BIT: + case DataType::BOOLEAN: + case DataType::DECIMAL: + case DataType::NUMERIC: + case DataType::TINYINT: + case DataType::SMALLINT: + case DataType::INTEGER: + case DataType::BIGINT: + case DataType::FLOAT: + case DataType::REAL: + case DataType::DOUBLE: + // kill thousand separators if any + killThousandSeparator(pReturn); + break; + case DataType::CHAR: + case DataType::VARCHAR: + case DataType::LONGVARCHAR: + case DataType::CLOB: + pReturn = buildNode_STR_NUM(pReturn); + break; + default: + m_sErrorMessage = m_pContext->getErrorMessage(IParseContext::ErrorCode::InvalidIntCompare); + break; + } + break; + case SQLNodeType::ApproxNum: + switch(nType) + { + case DataType::DECIMAL: + case DataType::NUMERIC: + case DataType::FLOAT: + case DataType::REAL: + case DataType::DOUBLE: + // kill thousand separators if any + killThousandSeparator(pReturn); + break; + case DataType::CHAR: + case DataType::VARCHAR: + case DataType::LONGVARCHAR: + case DataType::CLOB: + pReturn = buildNode_STR_NUM(pReturn); + break; + case DataType::INTEGER: + default: + m_sErrorMessage = m_pContext->getErrorMessage(IParseContext::ErrorCode::InvalidRealCompare); + break; + } + break; + default: + ; + } + } + return pReturn; +} + +sal_Int16 OSQLParser::buildPredicateRule(OSQLParseNode*& pAppend, OSQLParseNode* pLiteral, OSQLParseNode* pCompare, OSQLParseNode* pLiteral2) +{ + OSL_ENSURE(inPredicateCheck(),"Only in predicate check allowed!"); + sal_Int16 nErg = 0; + if ( m_xField.is() ) + { + sal_Int32 nType = 0; + try + { + m_xField->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_TYPE)) >>= nType; + } + catch( Exception& ) + { + return nErg; + } + + OSQLParseNode* pNode1 = convertNode(nType,pLiteral); + if ( pNode1 ) + { + OSQLParseNode* pNode2 = convertNode(nType,pLiteral2); + if ( m_sErrorMessage.isEmpty() ) + nErg = buildNode(pAppend,pCompare,pNode1,pNode2); + } + } + if (!pCompare->getParent()) // I have no parent so I was not used and I must die :-) + delete pCompare; + return nErg; +} + +sal_Int16 OSQLParser::buildLikeRule(OSQLParseNode* pAppend, OSQLParseNode*& pLiteral, const OSQLParseNode* pEscape) +{ + sal_Int16 nErg = 0; + sal_Int32 nType = 0; + + if (!m_xField.is()) + return nErg; + try + { + Any aValue; + { + aValue = m_xField->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_TYPE)); + aValue >>= nType; + } + } + catch( Exception& ) + { + return nErg; + } + + switch (nType) + { + case DataType::CHAR: + case DataType::VARCHAR: + case DataType::LONGVARCHAR: + case DataType::CLOB: + if(pLiteral->isRule()) + { + pAppend->append(pLiteral); + nErg = 1; + } + else + { + switch(pLiteral->getNodeType()) + { + case SQLNodeType::String: + pLiteral->m_aNodeValue = ConvertLikeToken(pLiteral, pEscape, false); + pAppend->append(pLiteral); + nErg = 1; + break; + case SQLNodeType::ApproxNum: + if (m_xFormatter.is() && m_nFormatKey) + { + sal_Int16 nScale = 0; + try + { + Any aValue = getNumberFormatProperty( m_xFormatter, m_nFormatKey, "Decimals" ); + aValue >>= nScale; + } + catch( Exception& ) + { + } + + pAppend->append(new OSQLInternalNode(stringToDouble(pLiteral->getTokenValue(),nScale),SQLNodeType::String)); + } + else + pAppend->append(new OSQLInternalNode(pLiteral->getTokenValue(),SQLNodeType::String)); + + delete pLiteral; + nErg = 1; + break; + default: + m_sErrorMessage = m_pContext->getErrorMessage(IParseContext::ErrorCode::ValueNoLike); + m_sErrorMessage = m_sErrorMessage.replaceAt(m_sErrorMessage.indexOf("#1"),2,pLiteral->getTokenValue()); + break; + } + } + break; + default: + m_sErrorMessage = m_pContext->getErrorMessage(IParseContext::ErrorCode::FieldNoLike); + break; + } + return nErg; +} + +OSQLParseNode* OSQLParser::buildNode_Date(const double& fValue, sal_Int32 nType) +{ + OSQLParseNode* pNewNode = new OSQLInternalNode("", SQLNodeType::Rule,OSQLParser::RuleID(OSQLParseNode::set_fct_spec)); + pNewNode->append(new OSQLInternalNode("{", SQLNodeType::Punctuation)); + OSQLParseNode* pDateNode = new OSQLInternalNode("", SQLNodeType::Rule,OSQLParser::RuleID(OSQLParseNode::odbc_fct_spec)); + pNewNode->append(pDateNode); + pNewNode->append(new OSQLInternalNode("}", SQLNodeType::Punctuation)); + + switch (nType) + { + case DataType::DATE: + { + Date aDate = DBTypeConversion::toDate(fValue,DBTypeConversion::getNULLDate(m_xFormatter->getNumberFormatsSupplier())); + OUString aString = DBTypeConversion::toDateString(aDate); + pDateNode->append(new OSQLInternalNode("", SQLNodeType::Keyword, SQL_TOKEN_D)); + pDateNode->append(new OSQLInternalNode(aString, SQLNodeType::String)); + break; + } + case DataType::TIME: + { + css::util::Time aTime = DBTypeConversion::toTime(fValue); + OUString aString = DBTypeConversion::toTimeString(aTime); + pDateNode->append(new OSQLInternalNode("", SQLNodeType::Keyword, SQL_TOKEN_T)); + pDateNode->append(new OSQLInternalNode(aString, SQLNodeType::String)); + break; + } + case DataType::TIMESTAMP: + { + DateTime aDateTime = DBTypeConversion::toDateTime(fValue,DBTypeConversion::getNULLDate(m_xFormatter->getNumberFormatsSupplier())); + if (aDateTime.Seconds || aDateTime.Minutes || aDateTime.Hours) + { + OUString aString = DBTypeConversion::toDateTimeString(aDateTime); + pDateNode->append(new OSQLInternalNode("", SQLNodeType::Keyword, SQL_TOKEN_TS)); + pDateNode->append(new OSQLInternalNode(aString, SQLNodeType::String)); + } + else + { + Date aDate(aDateTime.Day,aDateTime.Month,aDateTime.Year); + pDateNode->append(new OSQLInternalNode("", SQLNodeType::Keyword, SQL_TOKEN_D)); + pDateNode->append(new OSQLInternalNode(DBTypeConversion::toDateString(aDate), SQLNodeType::String)); + } + break; + } + } + + return pNewNode; +} + +OSQLParseNode* OSQLParser::buildNode_STR_NUM(OSQLParseNode*& _pLiteral) +{ + OSQLParseNode* pReturn = nullptr; + if ( _pLiteral ) + { + if (m_nFormatKey) + { + sal_Int16 nScale = 0; + try + { + Any aValue = getNumberFormatProperty( m_xFormatter, m_nFormatKey, "Decimals" ); + aValue >>= nScale; + } + catch( Exception& ) + { + } + + pReturn = new OSQLInternalNode(stringToDouble(_pLiteral->getTokenValue(),nScale),SQLNodeType::String); + } + else + pReturn = new OSQLInternalNode(_pLiteral->getTokenValue(),SQLNodeType::String); + + delete _pLiteral; + _pLiteral = nullptr; + } + return pReturn; +} + +OUString OSQLParser::stringToDouble(const OUString& _rValue,sal_Int16 _nScale) +{ + OUString aValue; + if(!m_xCharClass.is()) + m_xCharClass = CharacterClassification::create( m_xContext ); + if( s_xLocaleData.is() ) + { + try + { + ParseResult aResult = m_xCharClass->parsePredefinedToken(KParseType::ANY_NUMBER,_rValue,0,m_pData->aLocale,0,OUString(),KParseType::ANY_NUMBER,OUString()); + if((aResult.TokenType & KParseType::IDENTNAME) && aResult.EndPos == _rValue.getLength()) + { + aValue = OUString::number(aResult.Value); + sal_Int32 nPos = aValue.lastIndexOf('.'); + if((nPos+_nScale) < aValue.getLength()) + aValue = aValue.replaceAt(nPos+_nScale,aValue.getLength()-nPos-_nScale,OUString()); + aValue = aValue.replaceAt(aValue.lastIndexOf('.'),1,s_xLocaleData->getLocaleItem(m_pData->aLocale).decimalSeparator); + return aValue; + } + } + catch(Exception&) + { + } + } + return aValue; +} + + +::osl::Mutex& OSQLParser::getMutex() +{ + static ::osl::Mutex aMutex; + return aMutex; +} + + +std::unique_ptr<OSQLParseNode> OSQLParser::predicateTree(OUString& rErrorMessage, const OUString& rStatement, + const Reference< css::util::XNumberFormatter > & xFormatter, + const Reference< XPropertySet > & xField, + bool bUseRealName) +{ + // Guard the parsing + ::osl::MutexGuard aGuard(getMutex()); + // must be reset + setParser(this); + + + // reset the parser + m_xField = xField; + m_xFormatter = xFormatter; + + if (m_xField.is()) + { + sal_Int32 nType=0; + try + { + // get the field name + OUString aString; + + // retrieve the fields name + // #75243# use the RealName of the column if there is any otherwise the name which could be the alias + // of the field + Reference< XPropertySetInfo> xInfo = m_xField->getPropertySetInfo(); + if ( bUseRealName && xInfo->hasPropertyByName(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_REALNAME))) + m_xField->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_REALNAME)) >>= aString; + else + m_xField->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_NAME)) >>= aString; + + m_sFieldName = aString; + + // get the field format key + if ( xInfo->hasPropertyByName(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_FORMATKEY))) + m_xField->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_FORMATKEY)) >>= m_nFormatKey; + else + m_nFormatKey = 0; + + // get the field type + m_xField->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_TYPE)) >>= nType; + } + catch ( Exception& ) + { + OSL_ASSERT(false); + } + + if (m_nFormatKey && m_xFormatter.is()) + { + Any aValue = getNumberFormatProperty( m_xFormatter, m_nFormatKey, OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_LOCALE) ); + OSL_ENSURE(aValue.getValueType() == cppu::UnoType<css::lang::Locale>::get(), "OSQLParser::PredicateTree : invalid language property !"); + + if (aValue.getValueType() == cppu::UnoType<css::lang::Locale>::get()) + aValue >>= m_pData->aLocale; + } + else + m_pData->aLocale = m_pContext->getPreferredLocale(); + + if ( m_xFormatter.is() ) + { + try + { + Reference< css::util::XNumberFormatsSupplier > xFormatSup = m_xFormatter->getNumberFormatsSupplier(); + if ( xFormatSup.is() ) + { + Reference< css::util::XNumberFormats > xFormats = xFormatSup->getNumberFormats(); + if ( xFormats.is() ) + { + css::lang::Locale aLocale; + aLocale.Language = "en"; + aLocale.Country = "US"; + OUString sFormat("YYYY-MM-DD"); + m_nDateFormatKey = xFormats->queryKey(sFormat,aLocale,false); + if ( m_nDateFormatKey == sal_Int32(-1) ) + m_nDateFormatKey = xFormats->addNew(sFormat, aLocale); + } + } + } + catch ( Exception& ) + { + SAL_WARN( "connectivity.parse","DateFormatKey"); + } + } + + switch (nType) + { + case DataType::DATE: + case DataType::TIME: + case DataType::TIMESTAMP: + s_pScanner->SetRule(OSQLScanner::GetDATERule()); + break; + case DataType::CHAR: + case DataType::VARCHAR: + case DataType::LONGVARCHAR: + case DataType::CLOB: + s_pScanner->SetRule(OSQLScanner::GetSTRINGRule()); + break; + default: + if ( s_xLocaleData->getLocaleItem( m_pData->aLocale ).decimalSeparator.toChar() == ',' ) + s_pScanner->SetRule(OSQLScanner::GetGERRule()); + else + s_pScanner->SetRule(OSQLScanner::GetENGRule()); + } + + } + else + s_pScanner->SetRule(OSQLScanner::GetSQLRule()); + + s_pScanner->prepareScan(rStatement, m_pContext, true); + + SQLyylval.pParseNode = nullptr; + // SQLyypvt = NULL; + m_pParseTree = nullptr; + m_sErrorMessage.clear(); + + // Start the parser + if (SQLyyparse() != 0) + { + m_sFieldName.clear(); + m_xField.clear(); + m_xFormatter.clear(); + m_nFormatKey = 0; + m_nDateFormatKey = 0; + + if (m_sErrorMessage.isEmpty()) + m_sErrorMessage = s_pScanner->getErrorMessage(); + if (m_sErrorMessage.isEmpty()) + m_sErrorMessage = m_pContext->getErrorMessage(IParseContext::ErrorCode::General); + + rErrorMessage = m_sErrorMessage; + + // clear the garbage collector + (*s_pGarbageCollector)->clearAndDelete(); + m_pParseTree.release(); // because the garbage collector deleted it + return nullptr; + } + else + { + (*s_pGarbageCollector)->clear(); + + m_sFieldName.clear(); + m_xField.clear(); + m_xFormatter.clear(); + m_nFormatKey = 0; + m_nDateFormatKey = 0; + + // Return the result (the root parse node): + + // Instead, the parse method sets the member pParseTree and simply returns that + OSL_ENSURE(m_pParseTree != nullptr,"OSQLParser: Parser did not return a ParseTree!"); + return std::move(m_pParseTree); + } +} + + +OSQLParser::OSQLParser(const css::uno::Reference< css::uno::XComponentContext >& rxContext, const IParseContext* _pContext) + :m_pContext(_pContext) + ,m_pData( new OSQLParser_Data ) + ,m_nFormatKey(0) + ,m_nDateFormatKey(0) + ,m_xContext(rxContext) +{ + + + setParser(this); + +#ifdef SQLYYDEBUG +#ifdef SQLYYDEBUG_ON + SQLyydebug = 1; +#endif +#endif + + ::osl::MutexGuard aGuard(getMutex()); + // Do we have to initialize the data? + if (s_nRefCount == 0) + { + s_pScanner = new OSQLScanner(); + s_pScanner->setScanner(); + s_pGarbageCollector = new OSQLParseNodesGarbageCollector(); + + if(!s_xLocaleData.is()) + s_xLocaleData = LocaleData::create(m_xContext); + + // reset to UNKNOWN_RULE + static_assert(OSQLParseNode::UNKNOWN_RULE==0, "UNKNOWN_RULE must be 0 for memset to 0 to work"); + memset(OSQLParser::s_nRuleIDs,0,sizeof(OSQLParser::s_nRuleIDs)); + + const struct + { + OSQLParseNode::Rule eRule; // the parse node's ID for the rule + OString sRuleName; // the name of the rule ("select_statement") + } aRuleDescriptions[] = + { + { OSQLParseNode::select_statement, "select_statement" }, + { OSQLParseNode::table_exp, "table_exp" }, + { OSQLParseNode::table_ref_commalist, "table_ref_commalist" }, + { OSQLParseNode::table_ref, "table_ref" }, + { OSQLParseNode::catalog_name, "catalog_name" }, + { OSQLParseNode::schema_name, "schema_name" }, + { OSQLParseNode::table_name, "table_name" }, + { OSQLParseNode::opt_column_commalist, "opt_column_commalist" }, + { OSQLParseNode::column_commalist, "column_commalist" }, + { OSQLParseNode::column_ref_commalist, "column_ref_commalist" }, + { OSQLParseNode::column_ref, "column_ref" }, + { OSQLParseNode::opt_order_by_clause, "opt_order_by_clause" }, + { OSQLParseNode::ordering_spec_commalist, "ordering_spec_commalist" }, + { OSQLParseNode::ordering_spec, "ordering_spec" }, + { OSQLParseNode::opt_asc_desc, "opt_asc_desc" }, + { OSQLParseNode::where_clause, "where_clause" }, + { OSQLParseNode::opt_where_clause, "opt_where_clause" }, + { OSQLParseNode::search_condition, "search_condition" }, + { OSQLParseNode::comparison, "comparison" }, + { OSQLParseNode::comparison_predicate, "comparison_predicate" }, + { OSQLParseNode::between_predicate, "between_predicate" }, + { OSQLParseNode::like_predicate, "like_predicate" }, + { OSQLParseNode::opt_escape, "opt_escape" }, + { OSQLParseNode::test_for_null, "test_for_null" }, + { OSQLParseNode::scalar_exp_commalist, "scalar_exp_commalist" }, + { OSQLParseNode::scalar_exp, "scalar_exp" }, + { OSQLParseNode::parameter_ref, "parameter_ref" }, + { OSQLParseNode::parameter, "parameter" }, + { OSQLParseNode::general_set_fct, "general_set_fct" }, + { OSQLParseNode::range_variable, "range_variable" }, + { OSQLParseNode::column, "column" }, + { OSQLParseNode::delete_statement_positioned, "delete_statement_positioned" }, + { OSQLParseNode::delete_statement_searched, "delete_statement_searched" }, + { OSQLParseNode::update_statement_positioned, "update_statement_positioned" }, + { OSQLParseNode::update_statement_searched, "update_statement_searched" }, + { OSQLParseNode::assignment_commalist, "assignment_commalist" }, + { OSQLParseNode::assignment, "assignment" }, + { OSQLParseNode::values_or_query_spec, "values_or_query_spec" }, + { OSQLParseNode::insert_statement, "insert_statement" }, + { OSQLParseNode::insert_atom_commalist, "insert_atom_commalist" }, + { OSQLParseNode::insert_atom, "insert_atom" }, + { OSQLParseNode::from_clause, "from_clause" }, + { OSQLParseNode::qualified_join, "qualified_join" }, + { OSQLParseNode::cross_union, "cross_union" }, + { OSQLParseNode::select_sublist, "select_sublist" }, + { OSQLParseNode::derived_column, "derived_column" }, + { OSQLParseNode::column_val, "column_val" }, + { OSQLParseNode::set_fct_spec, "set_fct_spec" }, + { OSQLParseNode::boolean_term, "boolean_term" }, + { OSQLParseNode::boolean_primary, "boolean_primary" }, + { OSQLParseNode::num_value_exp, "num_value_exp" }, + { OSQLParseNode::join_type, "join_type" }, + { OSQLParseNode::position_exp, "position_exp" }, + { OSQLParseNode::extract_exp, "extract_exp" }, + { OSQLParseNode::length_exp, "length_exp" }, + { OSQLParseNode::char_value_fct, "char_value_fct" }, + { OSQLParseNode::odbc_call_spec, "odbc_call_spec" }, + { OSQLParseNode::in_predicate, "in_predicate" }, + { OSQLParseNode::existence_test, "existence_test" }, + { OSQLParseNode::unique_test, "unique_test" }, + { OSQLParseNode::all_or_any_predicate, "all_or_any_predicate" }, + { OSQLParseNode::named_columns_join, "named_columns_join" }, + { OSQLParseNode::join_condition, "join_condition" }, + { OSQLParseNode::joined_table, "joined_table" }, + { OSQLParseNode::boolean_factor, "boolean_factor" }, + { OSQLParseNode::sql_not, "sql_not" }, + { OSQLParseNode::manipulative_statement, "manipulative_statement" }, + { OSQLParseNode::subquery, "subquery" }, + { OSQLParseNode::value_exp_commalist, "value_exp_commalist" }, + { OSQLParseNode::odbc_fct_spec, "odbc_fct_spec" }, + { OSQLParseNode::union_statement, "union_statement" }, + { OSQLParseNode::outer_join_type, "outer_join_type" }, + { OSQLParseNode::char_value_exp, "char_value_exp" }, + { OSQLParseNode::term, "term" }, + { OSQLParseNode::value_exp_primary, "value_exp_primary" }, + { OSQLParseNode::value_exp, "value_exp" }, + { OSQLParseNode::selection, "selection" }, + { OSQLParseNode::fold, "fold" }, + { OSQLParseNode::char_substring_fct, "char_substring_fct" }, + { OSQLParseNode::factor, "factor" }, + { OSQLParseNode::base_table_def, "base_table_def" }, + { OSQLParseNode::base_table_element_commalist, "base_table_element_commalist" }, + { OSQLParseNode::data_type, "data_type" }, + { OSQLParseNode::column_def, "column_def" }, + { OSQLParseNode::table_node, "table_node" }, + { OSQLParseNode::as_clause, "as_clause" }, + { OSQLParseNode::opt_as, "opt_as" }, + { OSQLParseNode::op_column_commalist, "op_column_commalist" }, + { OSQLParseNode::table_primary_as_range_column, "table_primary_as_range_column" }, + { OSQLParseNode::datetime_primary, "datetime_primary" }, + { OSQLParseNode::concatenation, "concatenation" }, + { OSQLParseNode::char_factor, "char_factor" }, + { OSQLParseNode::bit_value_fct, "bit_value_fct" }, + { OSQLParseNode::comparison_predicate_part_2, "comparison_predicate_part_2" }, + { OSQLParseNode::parenthesized_boolean_value_expression, "parenthesized_boolean_value_expression" }, + { OSQLParseNode::character_string_type, "character_string_type" }, + { OSQLParseNode::other_like_predicate_part_2, "other_like_predicate_part_2" }, + { OSQLParseNode::between_predicate_part_2, "between_predicate_part_2" }, + { OSQLParseNode::null_predicate_part_2, "null_predicate_part_2" }, + { OSQLParseNode::cast_spec, "cast_spec" }, + { OSQLParseNode::window_function, "window_function" } + }; + const size_t nRuleMapCount = SAL_N_ELEMENTS( aRuleDescriptions ); + // added a new rule? Adjust this map! + // +1 for UNKNOWN_RULE + static_assert(nRuleMapCount + 1 == static_cast<size_t>(OSQLParseNode::rule_count), "must be equal"); + + for (const auto & aRuleDescription : aRuleDescriptions) + { + // look up the rule description in the our identifier map + sal_uInt32 nParserRuleID = StrToRuleID( aRuleDescription.sRuleName ); + // map the parser's rule ID to the OSQLParseNode::Rule + s_aReverseRuleIDLookup[ nParserRuleID ] = aRuleDescription.eRule; + // and map the OSQLParseNode::Rule to the parser's rule ID + s_nRuleIDs[ aRuleDescription.eRule ] = nParserRuleID; + } + } + ++s_nRefCount; + + if (m_pContext == nullptr) + // take the default context + m_pContext = &s_aDefaultContext; + + m_pData->aLocale = m_pContext->getPreferredLocale(); +} + + +OSQLParser::~OSQLParser() +{ + ::osl::MutexGuard aGuard(getMutex()); + OSL_ENSURE(s_nRefCount > 0, "OSQLParser::~OSQLParser() : suspicious call : has a refcount of 0 !"); + if (!--s_nRefCount) + { + s_pScanner->setScanner(true); + delete s_pScanner; + s_pScanner = nullptr; + + delete s_pGarbageCollector; + s_pGarbageCollector = nullptr; + // Is only set the first time, so we should delete it only when there are no more instances + s_xLocaleData = nullptr; + + RuleIDMap aEmpty; + s_aReverseRuleIDLookup.swap( aEmpty ); + } + m_pParseTree = nullptr; +} + +void OSQLParseNode::substituteParameterNames(OSQLParseNode const * _pNode) +{ + sal_Int32 nCount = _pNode->count(); + for(sal_Int32 i=0;i < nCount;++i) + { + OSQLParseNode* pChildNode = _pNode->getChild(i); + if(SQL_ISRULE(pChildNode,parameter) && pChildNode->count() > 1) + { + OSQLParseNode* pNewNode = new OSQLParseNode("?" ,SQLNodeType::Punctuation,0); + delete pChildNode->replace(pChildNode->getChild(0),pNewNode); + sal_Int32 nChildCount = pChildNode->count(); + for(sal_Int32 j=1;j < nChildCount;++j) + delete pChildNode->removeAt(1); + } + else + substituteParameterNames(pChildNode); + + } +} + +bool OSQLParser::extractDate(OSQLParseNode const * pLiteral,double& _rfValue) +{ + Reference< XNumberFormatsSupplier > xFormatSup = m_xFormatter->getNumberFormatsSupplier(); + Reference< XNumberFormatTypes > xFormatTypes; + if ( xFormatSup.is() ) + xFormatTypes.set(xFormatSup->getNumberFormats(), css::uno::UNO_QUERY); + + // if there is no format key, yet, make sure we have a feasible one for our locale + try + { + if ( !m_nFormatKey && xFormatTypes.is() ) + m_nFormatKey = ::dbtools::getDefaultNumberFormat( m_xField, xFormatTypes, m_pData->aLocale ); + } + catch( Exception& ) { } + const OUString& sValue = pLiteral->getTokenValue(); + sal_Int32 nTryFormat = m_nFormatKey; + bool bSuccess = lcl_saveConvertToNumber( m_xFormatter, nTryFormat, sValue, _rfValue ); + + // If our format key didn't do, try the default date format for our locale. + if ( !bSuccess && xFormatTypes.is() ) + { + try + { + nTryFormat = xFormatTypes->getStandardFormat( NumberFormat::DATE, m_pData->aLocale ); + } + catch( Exception& ) { } + bSuccess = lcl_saveConvertToNumber( m_xFormatter, nTryFormat, sValue, _rfValue ); + } + + // if this also didn't do, try ISO format + if ( !bSuccess && xFormatTypes.is() ) + { + try + { + nTryFormat = xFormatTypes->getFormatIndex( NumberFormatIndex::DATE_DIN_YYYYMMDD, m_pData->aLocale ); + } + catch( Exception& ) { } + bSuccess = lcl_saveConvertToNumber( m_xFormatter, nTryFormat, sValue, _rfValue ); + } + + // if this also didn't do, try fallback date format (en-US) + if ( !bSuccess ) + { + nTryFormat = m_nDateFormatKey; + bSuccess = lcl_saveConvertToNumber( m_xFormatter, nTryFormat, sValue, _rfValue ); + } + return bSuccess; +} + +OSQLParseNode* OSQLParser::buildDate(sal_Int32 _nType,OSQLParseNode*& pLiteral) +{ + // try converting the string into a date, according to our format key + double fValue = 0.0; + OSQLParseNode* pFCTNode = nullptr; + + if ( extractDate(pLiteral,fValue) ) + pFCTNode = buildNode_Date( fValue, _nType); + + delete pLiteral; + pLiteral = nullptr; + + if ( !pFCTNode ) + m_sErrorMessage = m_pContext->getErrorMessage(IParseContext::ErrorCode::InvalidDateCompare); + + return pFCTNode; +} + + +OSQLParseNode::OSQLParseNode(const char * pNewValue, + SQLNodeType eNewNodeType, + sal_uInt32 nNewNodeID) + :m_pParent(nullptr) + ,m_aNodeValue(pNewValue,strlen(pNewValue),RTL_TEXTENCODING_UTF8) + ,m_eNodeType(eNewNodeType) + ,m_nNodeID(nNewNodeID) +{ + OSL_ENSURE(m_eNodeType >= SQLNodeType::Rule && m_eNodeType <= SQLNodeType::Concat,"OSQLParseNode: created with invalid NodeType"); +} + +OSQLParseNode::OSQLParseNode(const OString &_rNewValue, + SQLNodeType eNewNodeType, + sal_uInt32 nNewNodeID) + :m_pParent(nullptr) + ,m_aNodeValue(OStringToOUString(_rNewValue,RTL_TEXTENCODING_UTF8)) + ,m_eNodeType(eNewNodeType) + ,m_nNodeID(nNewNodeID) +{ + OSL_ENSURE(m_eNodeType >= SQLNodeType::Rule && m_eNodeType <= SQLNodeType::Concat,"OSQLParseNode: created with invalid NodeType"); +} + +OSQLParseNode::OSQLParseNode(const OUString &_rNewValue, + SQLNodeType eNewNodeType, + sal_uInt32 nNewNodeID) + :m_pParent(nullptr) + ,m_aNodeValue(_rNewValue) + ,m_eNodeType(eNewNodeType) + ,m_nNodeID(nNewNodeID) +{ + OSL_ENSURE(m_eNodeType >= SQLNodeType::Rule && m_eNodeType <= SQLNodeType::Concat,"OSQLParseNode: created with invalid NodeType"); +} + +OSQLParseNode::OSQLParseNode(const OSQLParseNode& rParseNode) +{ + // Set the getParent to NULL + m_pParent = nullptr; + + // Copy the members + m_aNodeValue = rParseNode.m_aNodeValue; + m_eNodeType = rParseNode.m_eNodeType; + m_nNodeID = rParseNode.m_nNodeID; + + + // Remember that we derived from Container. According to SV-Help the Container's + // copy ctor creates a new Container with the same pointers for content. + // This means after copying the Container, for all non-NULL pointers a copy is + // created and reattached instead of the old pointer. + + // If not a leaf, then process SubTrees + for (auto const& child : rParseNode.m_aChildren) + append(new OSQLParseNode(*child)); +} + + +OSQLParseNode& OSQLParseNode::operator=(const OSQLParseNode& rParseNode) +{ + if (this != &rParseNode) + { + // Copy the members - pParent remains the same + m_aNodeValue = rParseNode.m_aNodeValue; + m_eNodeType = rParseNode.m_eNodeType; + m_nNodeID = rParseNode.m_nNodeID; + + m_aChildren.clear(); + + for (auto const& child : rParseNode.m_aChildren) + append(new OSQLParseNode(*child)); + } + return *this; +} + + +bool OSQLParseNode::operator==(OSQLParseNode const & rParseNode) const +{ + // The members must be equal + bool bResult = (m_nNodeID == rParseNode.m_nNodeID) && + (m_eNodeType == rParseNode.m_eNodeType) && + (m_aNodeValue == rParseNode.m_aNodeValue) && + count() == rParseNode.count(); + + // Parameters are not equal! + bResult = bResult && !SQL_ISRULE(this, parameter); + + // compare children + for (size_t i=0; bResult && i < count(); i++) + bResult = *getChild(i) == *rParseNode.getChild(i); + + return bResult; +} + + +OSQLParseNode::~OSQLParseNode() +{ +} + + +void OSQLParseNode::append(OSQLParseNode* pNewNode) +{ + OSL_ENSURE(pNewNode != nullptr, "OSQLParseNode: invalid NewSubTree"); + OSL_ENSURE(pNewNode->getParent() == nullptr, "OSQLParseNode: Node is not an orphan"); + OSL_ENSURE(std::none_of(m_aChildren.begin(), m_aChildren.end(), + [&] (std::unique_ptr<OSQLParseNode> const & r) { return r.get() == pNewNode; }), + "OSQLParseNode::append() Node already element of parent"); + + // Create connection to getParent + pNewNode->setParent( this ); + // and attach the SubTree at the end + m_aChildren.emplace_back(pNewNode); +} + +bool OSQLParseNode::addDateValue(OUStringBuffer& rString, const SQLParseNodeParameter& rParam) const +{ + // special display for date/time values + if (SQL_ISRULE(this,set_fct_spec) && SQL_ISPUNCTUATION(m_aChildren[0],"{")) + { + const OSQLParseNode* pODBCNode = m_aChildren[1].get(); + const OSQLParseNode* pODBCNodeChild = pODBCNode->m_aChildren[0].get(); + + if (pODBCNodeChild->getNodeType() == SQLNodeType::Keyword && ( + SQL_ISTOKEN(pODBCNodeChild, D) || + SQL_ISTOKEN(pODBCNodeChild, T) || + SQL_ISTOKEN(pODBCNodeChild, TS) )) + { + OUString suQuote("'"); + if (rParam.bPredicate) + { + if (rParam.aMetaData.shouldEscapeDateTime()) + { + suQuote = "#"; + } + } + else + { + if (rParam.aMetaData.shouldEscapeDateTime()) + { + // suQuote = "'"; + return false; + } + } + + if (!rString.isEmpty()) + rString.append(" "); + rString.append(suQuote); + const OUString sTokenValue = pODBCNode->m_aChildren[1]->getTokenValue(); + if (SQL_ISTOKEN(pODBCNodeChild, D)) + { + rString.append(rParam.bPredicate ? convertDateString(rParam, sTokenValue) : sTokenValue); + } + else if (SQL_ISTOKEN(pODBCNodeChild, T)) + { + rString.append(rParam.bPredicate ? convertTimeString(rParam, sTokenValue) : sTokenValue); + } + else + { + rString.append(rParam.bPredicate ? convertDateTimeString(rParam, sTokenValue) : sTokenValue); + } + rString.append(suQuote); + return true; + } + } + return false; +} + +void OSQLParseNode::replaceNodeValue(const OUString& rTableAlias, const OUString& rColumnName) +{ + for (size_t i=0;i<count();++i) + { + if (SQL_ISRULE(this,column_ref) && count() == 1 && getChild(0)->getTokenValue() == rColumnName) + { + OSQLParseNode * pCol = removeAt(sal_uInt32(0)); + append(new OSQLParseNode(rTableAlias,SQLNodeType::Name)); + append(new OSQLParseNode(".",SQLNodeType::Punctuation)); + append(pCol); + } + else + getChild(i)->replaceNodeValue(rTableAlias,rColumnName); + } +} + +OSQLParseNode* OSQLParseNode::getByRule(OSQLParseNode::Rule eRule) const +{ + OSQLParseNode* pRetNode = nullptr; + if (isRule() && OSQLParser::RuleID(eRule) == getRuleID()) + pRetNode = const_cast<OSQLParseNode*>(this); + else + { + for (auto const& child : m_aChildren) + { + pRetNode = child->getByRule(eRule); + if (pRetNode) + break; + } + } + return pRetNode; +} + +static OSQLParseNode* MakeANDNode(OSQLParseNode *pLeftLeaf,OSQLParseNode *pRightLeaf) +{ + OSQLParseNode* pNewNode = new OSQLParseNode(OUString(),SQLNodeType::Rule,OSQLParser::RuleID(OSQLParseNode::boolean_term)); + pNewNode->append(pLeftLeaf); + pNewNode->append(new OSQLParseNode("AND",SQLNodeType::Keyword,SQL_TOKEN_AND)); + pNewNode->append(pRightLeaf); + return pNewNode; +} + +static OSQLParseNode* MakeORNode(OSQLParseNode *pLeftLeaf,OSQLParseNode *pRightLeaf) +{ + OSQLParseNode* pNewNode = new OSQLParseNode(OUString(),SQLNodeType::Rule,OSQLParser::RuleID(OSQLParseNode::search_condition)); + pNewNode->append(pLeftLeaf); + pNewNode->append(new OSQLParseNode("OR",SQLNodeType::Keyword,SQL_TOKEN_OR)); + pNewNode->append(pRightLeaf); + return pNewNode; +} + +void OSQLParseNode::disjunctiveNormalForm(OSQLParseNode*& pSearchCondition) +{ + if(!pSearchCondition) // no where condition at entry point + return; + + OSQLParseNode::absorptions(pSearchCondition); + // '(' search_condition ')' + if (SQL_ISRULE(pSearchCondition,boolean_primary)) + { + OSQLParseNode* pLeft = pSearchCondition->getChild(1); + disjunctiveNormalForm(pLeft); + } + // search_condition SQL_TOKEN_OR boolean_term + else if (SQL_ISRULE(pSearchCondition,search_condition)) + { + OSQLParseNode* pLeft = pSearchCondition->getChild(0); + disjunctiveNormalForm(pLeft); + + OSQLParseNode* pRight = pSearchCondition->getChild(2); + disjunctiveNormalForm(pRight); + } + // boolean_term SQL_TOKEN_AND boolean_factor + else if (SQL_ISRULE(pSearchCondition,boolean_term)) + { + OSQLParseNode* pLeft = pSearchCondition->getChild(0); + disjunctiveNormalForm(pLeft); + + OSQLParseNode* pRight = pSearchCondition->getChild(2); + disjunctiveNormalForm(pRight); + + OSQLParseNode* pNewNode = nullptr; + // '(' search_condition ')' on left side + if(pLeft->count() == 3 && SQL_ISRULE(pLeft,boolean_primary) && SQL_ISRULE(pLeft->getChild(1),search_condition)) + { + // and-or tree on left side + OSQLParseNode* pOr = pLeft->getChild(1); + OSQLParseNode* pNewLeft = nullptr; + OSQLParseNode* pNewRight = nullptr; + + // cut right from parent + pSearchCondition->removeAt(2); + + pNewRight = MakeANDNode(pOr->removeAt(2) ,pRight); + pNewLeft = MakeANDNode(pOr->removeAt(sal_uInt32(0)) ,new OSQLParseNode(*pRight)); + pNewNode = MakeORNode(pNewLeft,pNewRight); + // and append new Node + replaceAndReset(pSearchCondition,pNewNode); + + disjunctiveNormalForm(pSearchCondition); + } + else if(pRight->count() == 3 && SQL_ISRULE(pRight,boolean_primary) && SQL_ISRULE(pRight->getChild(1),search_condition)) + { // '(' search_condition ')' on right side + // and-or tree on right side + // a and (b or c) + OSQLParseNode* pOr = pRight->getChild(1); + OSQLParseNode* pNewLeft = nullptr; + OSQLParseNode* pNewRight = nullptr; + + // cut left from parent + pSearchCondition->removeAt(sal_uInt32(0)); + + pNewRight = MakeANDNode(pLeft,pOr->removeAt(2)); + pNewLeft = MakeANDNode(new OSQLParseNode(*pLeft),pOr->removeAt(sal_uInt32(0))); + pNewNode = MakeORNode(pNewLeft,pNewRight); + + // and append new Node + replaceAndReset(pSearchCondition,pNewNode); + disjunctiveNormalForm(pSearchCondition); + } + else if(SQL_ISRULE(pLeft,boolean_primary) && (!SQL_ISRULE(pLeft->getChild(1),search_condition) || !SQL_ISRULE(pLeft->getChild(1),boolean_term))) + pSearchCondition->replace(pLeft, pLeft->removeAt(1)); + else if(SQL_ISRULE(pRight,boolean_primary) && (!SQL_ISRULE(pRight->getChild(1),search_condition) || !SQL_ISRULE(pRight->getChild(1),boolean_term))) + pSearchCondition->replace(pRight, pRight->removeAt(1)); + } +} + +void OSQLParseNode::negateSearchCondition(OSQLParseNode*& pSearchCondition, bool bNegate) +{ + if(!pSearchCondition) // no where condition at entry point + return; + // '(' search_condition ')' + if (pSearchCondition->count() == 3 && SQL_ISRULE(pSearchCondition,boolean_primary)) + { + OSQLParseNode* pRight = pSearchCondition->getChild(1); + negateSearchCondition(pRight,bNegate); + } + // search_condition SQL_TOKEN_OR boolean_term + else if (SQL_ISRULE(pSearchCondition,search_condition)) + { + OSQLParseNode* pLeft = pSearchCondition->getChild(0); + OSQLParseNode* pRight = pSearchCondition->getChild(2); + if(bNegate) + { + OSQLParseNode* pNewNode = new OSQLParseNode(OUString(),SQLNodeType::Rule,OSQLParser::RuleID(OSQLParseNode::boolean_term)); + pNewNode->append(pSearchCondition->removeAt(sal_uInt32(0))); + pNewNode->append(new OSQLParseNode("AND",SQLNodeType::Keyword,SQL_TOKEN_AND)); + pNewNode->append(pSearchCondition->removeAt(sal_uInt32(1))); + replaceAndReset(pSearchCondition,pNewNode); + + pLeft = pNewNode->getChild(0); + pRight = pNewNode->getChild(2); + } + + negateSearchCondition(pLeft,bNegate); + negateSearchCondition(pRight,bNegate); + } + // boolean_term SQL_TOKEN_AND boolean_factor + else if (SQL_ISRULE(pSearchCondition,boolean_term)) + { + OSQLParseNode* pLeft = pSearchCondition->getChild(0); + OSQLParseNode* pRight = pSearchCondition->getChild(2); + if(bNegate) + { + OSQLParseNode* pNewNode = new OSQLParseNode(OUString(),SQLNodeType::Rule,OSQLParser::RuleID(OSQLParseNode::search_condition)); + pNewNode->append(pSearchCondition->removeAt(sal_uInt32(0))); + pNewNode->append(new OSQLParseNode("OR",SQLNodeType::Keyword,SQL_TOKEN_OR)); + pNewNode->append(pSearchCondition->removeAt(sal_uInt32(1))); + replaceAndReset(pSearchCondition,pNewNode); + + pLeft = pNewNode->getChild(0); + pRight = pNewNode->getChild(2); + } + + negateSearchCondition(pLeft,bNegate); + negateSearchCondition(pRight,bNegate); + } + // SQL_TOKEN_NOT ( boolean_primary ) + else if (SQL_ISRULE(pSearchCondition,boolean_factor)) + { + OSQLParseNode *pNot = pSearchCondition->removeAt(sal_uInt32(0)); + delete pNot; + OSQLParseNode *pBooleanTest = pSearchCondition->removeAt(sal_uInt32(0)); + // TODO is this needed // pBooleanTest->setParent(NULL); + replaceAndReset(pSearchCondition,pBooleanTest); + + if (!bNegate) + negateSearchCondition(pSearchCondition, true); // negate all deeper values + } + // row_value_constructor comparison row_value_constructor + // row_value_constructor comparison any_all_some subquery + else if(bNegate && (SQL_ISRULE(pSearchCondition,comparison_predicate) || SQL_ISRULE(pSearchCondition,all_or_any_predicate))) + { + assert(pSearchCondition->count() == 3); + OSQLParseNode* pComparison = pSearchCondition->getChild(1); + if(SQL_ISRULE(pComparison, comparison)) + { + assert(pComparison->count() == 2 || + pComparison->count() == 4); + assert(SQL_ISTOKEN(pComparison->getChild(0), IS)); + + OSQLParseNode* pNot = pComparison->getChild(1); + OSQLParseNode* pNotNot = nullptr; + if(pNot->isRule()) // no NOT token (empty rule) + pNotNot = new OSQLParseNode("NOT",SQLNodeType::Keyword,SQL_TOKEN_NOT); + else + { + assert(SQL_ISTOKEN(pNot,NOT)); + pNotNot = new OSQLParseNode(OUString(),SQLNodeType::Rule,OSQLParser::RuleID(OSQLParseNode::sql_not)); + } + pComparison->replace(pNot, pNotNot); + delete pNot; + } + else + { + OSQLParseNode* pNewComparison; + switch(pComparison->getNodeType()) + { + default: + case SQLNodeType::Equal: + assert(pComparison->getNodeType() == SQLNodeType::Equal && + "OSQLParseNode::negateSearchCondition: unexpected node type!"); + pNewComparison = new OSQLParseNode("<>",SQLNodeType::NotEqual,SQL_NOTEQUAL); + break; + case SQLNodeType::Less: + pNewComparison = new OSQLParseNode(">=",SQLNodeType::GreatEq,SQL_GREATEQ); + break; + case SQLNodeType::Great: + pNewComparison = new OSQLParseNode("<=",SQLNodeType::LessEq,SQL_LESSEQ); + break; + case SQLNodeType::LessEq: + pNewComparison = new OSQLParseNode(">",SQLNodeType::Great,SQL_GREAT); + break; + case SQLNodeType::GreatEq: + pNewComparison = new OSQLParseNode("<",SQLNodeType::Less,SQL_LESS); + break; + case SQLNodeType::NotEqual: + pNewComparison = new OSQLParseNode("=",SQLNodeType::Equal,SQL_EQUAL); + break; + } + pSearchCondition->replace(pComparison, pNewComparison); + delete pComparison; + } + } + + else if(bNegate && (SQL_ISRULE(pSearchCondition,test_for_null) || + SQL_ISRULE(pSearchCondition,in_predicate) || + SQL_ISRULE(pSearchCondition,between_predicate) )) + { + OSQLParseNode* pPart2 = pSearchCondition->getChild(1); + sal_uInt32 nNotPos = 0; + if ( SQL_ISRULE( pSearchCondition, test_for_null ) ) + nNotPos = 1; + + OSQLParseNode* pNot = pPart2->getChild(nNotPos); + OSQLParseNode* pNotNot = nullptr; + if(pNot->isRule()) // no NOT token (empty rule) + pNotNot = new OSQLParseNode("NOT",SQLNodeType::Keyword,SQL_TOKEN_NOT); + else + { + assert(SQL_ISTOKEN(pNot,NOT)); + pNotNot = new OSQLParseNode(OUString(),SQLNodeType::Rule,OSQLParser::RuleID(OSQLParseNode::sql_not)); + } + pPart2->replace(pNot, pNotNot); + delete pNot; + } + else if(bNegate && SQL_ISRULE(pSearchCondition,like_predicate)) + { + OSQLParseNode* pNot = pSearchCondition->getChild( 1 )->getChild( 0 ); + OSQLParseNode* pNotNot = nullptr; + if(pNot->isRule()) + pNotNot = new OSQLParseNode("NOT",SQLNodeType::Keyword,SQL_TOKEN_NOT); + else + pNotNot = new OSQLParseNode(OUString(),SQLNodeType::Rule,OSQLParser::RuleID(OSQLParseNode::sql_not)); + pSearchCondition->getChild( 1 )->replace(pNot, pNotNot); + delete pNot; + } +} + +void OSQLParseNode::eraseBraces(OSQLParseNode*& pSearchCondition) +{ + if (!(pSearchCondition && (SQL_ISRULE(pSearchCondition,boolean_primary) || (pSearchCondition->count() == 3 && SQL_ISPUNCTUATION(pSearchCondition->getChild(0),"(") && + SQL_ISPUNCTUATION(pSearchCondition->getChild(2),")"))))) + return; + + OSQLParseNode* pRight = pSearchCondition->getChild(1); + absorptions(pRight); + // if child is not an or and tree then delete () around child + if(!(SQL_ISRULE(pSearchCondition->getChild(1),boolean_term) || SQL_ISRULE(pSearchCondition->getChild(1),search_condition)) || + SQL_ISRULE(pSearchCondition->getChild(1),boolean_term) || // and can always stand without () + (SQL_ISRULE(pSearchCondition->getChild(1),search_condition) && SQL_ISRULE(pSearchCondition->getParent(),search_condition))) + { + OSQLParseNode* pNode = pSearchCondition->removeAt(1); + replaceAndReset(pSearchCondition,pNode); + } +} + +void OSQLParseNode::absorptions(OSQLParseNode*& pSearchCondition) +{ + if(!pSearchCondition) // no where condition at entry point + return; + + eraseBraces(pSearchCondition); + + if(SQL_ISRULE(pSearchCondition,boolean_term) || SQL_ISRULE(pSearchCondition,search_condition)) + { + OSQLParseNode* pLeft = pSearchCondition->getChild(0); + absorptions(pLeft); + OSQLParseNode* pRight = pSearchCondition->getChild(2); + absorptions(pRight); + } + + sal_uInt32 nPos = 0; + // a and a || a or a + OSQLParseNode* pNewNode = nullptr; + if(( SQL_ISRULE(pSearchCondition,boolean_term) || SQL_ISRULE(pSearchCondition,search_condition)) + && *pSearchCondition->getChild(0) == *pSearchCondition->getChild(2)) + { + pNewNode = pSearchCondition->removeAt(sal_uInt32(0)); + replaceAndReset(pSearchCondition,pNewNode); + } + // ( a or b ) and a || ( b or c ) and a + // a and ( a or b ) || a and ( b or c ) + else if ( SQL_ISRULE(pSearchCondition,boolean_term) + && ( + ( SQL_ISRULE(pSearchCondition->getChild(nPos = 0),boolean_primary) + || SQL_ISRULE(pSearchCondition->getChild(nPos),search_condition) + ) + || ( SQL_ISRULE(pSearchCondition->getChild(nPos = 2),boolean_primary) + || SQL_ISRULE(pSearchCondition->getChild(nPos),search_condition) + ) + ) + ) + { + OSQLParseNode* p2ndSearch = pSearchCondition->getChild(nPos); + if ( SQL_ISRULE(p2ndSearch,boolean_primary) ) + p2ndSearch = p2ndSearch->getChild(1); + + if ( *p2ndSearch->getChild(0) == *pSearchCondition->getChild(2-nPos) ) // a and ( a or b) -> a or b + { + pNewNode = pSearchCondition->removeAt(sal_uInt32(0)); + replaceAndReset(pSearchCondition,pNewNode); + + } + else if ( *p2ndSearch->getChild(2) == *pSearchCondition->getChild(2-nPos) ) // a and ( b or a) -> a or b + { + pNewNode = pSearchCondition->removeAt(sal_uInt32(2)); + replaceAndReset(pSearchCondition,pNewNode); + } + else if ( p2ndSearch->getByRule(OSQLParseNode::search_condition) ) + { + // a and ( b or c ) -> ( a and b ) or ( a and c ) + // ( b or c ) and a -> ( a and b ) or ( a and c ) + OSQLParseNode* pC = p2ndSearch->removeAt(sal_uInt32(2)); + OSQLParseNode* pB = p2ndSearch->removeAt(sal_uInt32(0)); + OSQLParseNode* pA = pSearchCondition->removeAt(sal_uInt32(2)-nPos); + + OSQLParseNode* p1stAnd = MakeANDNode(pA,pB); + OSQLParseNode* p2ndAnd = MakeANDNode(new OSQLParseNode(*pA),pC); + pNewNode = MakeORNode(p1stAnd,p2ndAnd); + OSQLParseNode* pNode = new OSQLParseNode(OUString(),SQLNodeType::Rule,OSQLParser::RuleID(OSQLParseNode::boolean_primary)); + pNode->append(new OSQLParseNode("(",SQLNodeType::Punctuation)); + pNode->append(pNewNode); + pNode->append(new OSQLParseNode(")",SQLNodeType::Punctuation)); + OSQLParseNode::eraseBraces(p1stAnd); + OSQLParseNode::eraseBraces(p2ndAnd); + replaceAndReset(pSearchCondition,pNode); + } + } + // a or a and b || a or b and a + else if(SQL_ISRULE(pSearchCondition,search_condition) && SQL_ISRULE(pSearchCondition->getChild(2),boolean_term)) + { + if(*pSearchCondition->getChild(2)->getChild(0) == *pSearchCondition->getChild(0)) + { + pNewNode = pSearchCondition->removeAt(sal_uInt32(0)); + replaceAndReset(pSearchCondition,pNewNode); + } + else if(*pSearchCondition->getChild(2)->getChild(2) == *pSearchCondition->getChild(0)) + { + pNewNode = pSearchCondition->removeAt(sal_uInt32(0)); + replaceAndReset(pSearchCondition,pNewNode); + } + } + // a and b or a || b and a or a + else if(SQL_ISRULE(pSearchCondition,search_condition) && SQL_ISRULE(pSearchCondition->getChild(0),boolean_term)) + { + if(*pSearchCondition->getChild(0)->getChild(0) == *pSearchCondition->getChild(2)) + { + pNewNode = pSearchCondition->removeAt(sal_uInt32(2)); + replaceAndReset(pSearchCondition,pNewNode); + } + else if(*pSearchCondition->getChild(0)->getChild(2) == *pSearchCondition->getChild(2)) + { + pNewNode = pSearchCondition->removeAt(sal_uInt32(2)); + replaceAndReset(pSearchCondition,pNewNode); + } + } + eraseBraces(pSearchCondition); +} + +void OSQLParseNode::compress(OSQLParseNode *&pSearchCondition) +{ + if(!pSearchCondition) // no WHERE condition at entry point + return; + + OSQLParseNode::eraseBraces(pSearchCondition); + + if(SQL_ISRULE(pSearchCondition,boolean_term) || SQL_ISRULE(pSearchCondition,search_condition)) + { + OSQLParseNode* pLeft = pSearchCondition->getChild(0); + compress(pLeft); + + OSQLParseNode* pRight = pSearchCondition->getChild(2); + compress(pRight); + } + else if( SQL_ISRULE(pSearchCondition,boolean_primary) || (pSearchCondition->count() == 3 && SQL_ISPUNCTUATION(pSearchCondition->getChild(0),"(") && + SQL_ISPUNCTUATION(pSearchCondition->getChild(2),")"))) + { + OSQLParseNode* pRight = pSearchCondition->getChild(1); + compress(pRight); + // if child is not an or and tree then delete () around child + if(!(SQL_ISRULE(pSearchCondition->getChild(1),boolean_term) || SQL_ISRULE(pSearchCondition->getChild(1),search_condition)) || + (SQL_ISRULE(pSearchCondition->getChild(1),boolean_term) && SQL_ISRULE(pSearchCondition->getParent(),boolean_term)) || + (SQL_ISRULE(pSearchCondition->getChild(1),search_condition) && SQL_ISRULE(pSearchCondition->getParent(),search_condition))) + { + OSQLParseNode* pNode = pSearchCondition->removeAt(1); + replaceAndReset(pSearchCondition,pNode); + } + } + + // or with two and trees where one element of the and trees are equal + if(!(SQL_ISRULE(pSearchCondition,search_condition) && SQL_ISRULE(pSearchCondition->getChild(0),boolean_term) && SQL_ISRULE(pSearchCondition->getChild(2),boolean_term))) + return; + + if(*pSearchCondition->getChild(0)->getChild(0) == *pSearchCondition->getChild(2)->getChild(0)) + { + OSQLParseNode* pLeft = pSearchCondition->getChild(0)->removeAt(2); + OSQLParseNode* pRight = pSearchCondition->getChild(2)->removeAt(2); + OSQLParseNode* pNode = MakeORNode(pLeft,pRight); + + OSQLParseNode* pNewRule = new OSQLParseNode(OUString(),SQLNodeType::Rule,OSQLParser::RuleID(OSQLParseNode::boolean_primary)); + pNewRule->append(new OSQLParseNode("(",SQLNodeType::Punctuation)); + pNewRule->append(pNode); + pNewRule->append(new OSQLParseNode(")",SQLNodeType::Punctuation)); + + OSQLParseNode::eraseBraces(pLeft); + OSQLParseNode::eraseBraces(pRight); + + pNode = MakeANDNode(pSearchCondition->getChild(0)->removeAt(sal_uInt32(0)),pNewRule); + replaceAndReset(pSearchCondition,pNode); + } + else if(*pSearchCondition->getChild(0)->getChild(2) == *pSearchCondition->getChild(2)->getChild(0)) + { + OSQLParseNode* pLeft = pSearchCondition->getChild(0)->removeAt(sal_uInt32(0)); + OSQLParseNode* pRight = pSearchCondition->getChild(2)->removeAt(2); + OSQLParseNode* pNode = MakeORNode(pLeft,pRight); + + OSQLParseNode* pNewRule = new OSQLParseNode(OUString(),SQLNodeType::Rule,OSQLParser::RuleID(OSQLParseNode::boolean_primary)); + pNewRule->append(new OSQLParseNode("(",SQLNodeType::Punctuation)); + pNewRule->append(pNode); + pNewRule->append(new OSQLParseNode(")",SQLNodeType::Punctuation)); + + OSQLParseNode::eraseBraces(pLeft); + OSQLParseNode::eraseBraces(pRight); + + pNode = MakeANDNode(pSearchCondition->getChild(0)->removeAt(1),pNewRule); + replaceAndReset(pSearchCondition,pNode); + } + else if(*pSearchCondition->getChild(0)->getChild(0) == *pSearchCondition->getChild(2)->getChild(2)) + { + OSQLParseNode* pLeft = pSearchCondition->getChild(0)->removeAt(2); + OSQLParseNode* pRight = pSearchCondition->getChild(2)->removeAt(sal_uInt32(0)); + OSQLParseNode* pNode = MakeORNode(pLeft,pRight); + + OSQLParseNode* pNewRule = new OSQLParseNode(OUString(),SQLNodeType::Rule,OSQLParser::RuleID(OSQLParseNode::boolean_primary)); + pNewRule->append(new OSQLParseNode("(",SQLNodeType::Punctuation)); + pNewRule->append(pNode); + pNewRule->append(new OSQLParseNode(")",SQLNodeType::Punctuation)); + + OSQLParseNode::eraseBraces(pLeft); + OSQLParseNode::eraseBraces(pRight); + + pNode = MakeANDNode(pSearchCondition->getChild(0)->removeAt(sal_uInt32(0)),pNewRule); + replaceAndReset(pSearchCondition,pNode); + } + else if(*pSearchCondition->getChild(0)->getChild(2) == *pSearchCondition->getChild(2)->getChild(2)) + { + OSQLParseNode* pLeft = pSearchCondition->getChild(0)->removeAt(sal_uInt32(0)); + OSQLParseNode* pRight = pSearchCondition->getChild(2)->removeAt(sal_uInt32(0)); + OSQLParseNode* pNode = MakeORNode(pLeft,pRight); + + OSQLParseNode* pNewRule = new OSQLParseNode(OUString(),SQLNodeType::Rule,OSQLParser::RuleID(OSQLParseNode::boolean_primary)); + pNewRule->append(new OSQLParseNode("(",SQLNodeType::Punctuation)); + pNewRule->append(pNode); + pNewRule->append(new OSQLParseNode(")",SQLNodeType::Punctuation)); + + OSQLParseNode::eraseBraces(pLeft); + OSQLParseNode::eraseBraces(pRight); + + pNode = MakeANDNode(pSearchCondition->getChild(0)->removeAt(1),pNewRule); + replaceAndReset(pSearchCondition,pNode); + } +} +#if OSL_DEBUG_LEVEL > 1 + +void OSQLParseNode::showParseTree( OUString& rString ) const +{ + OUStringBuffer aBuf; + showParseTree( aBuf, 0 ); + rString = aBuf.makeStringAndClear(); +} + + +void OSQLParseNode::showParseTree( OUStringBuffer& _inout_rBuffer, sal_uInt32 nLevel ) const +{ + for ( sal_uInt32 j=0; j<nLevel; ++j) + _inout_rBuffer.appendAscii( " " ); + + if ( !isToken() ) + { + // Rule name as rule + _inout_rBuffer.appendAscii( "RULE_ID: " ); + _inout_rBuffer.append( (sal_Int32)getRuleID() ); + _inout_rBuffer.append( '(' ); + _inout_rBuffer.append( OSQLParser::RuleIDToStr( getRuleID() ) ); + _inout_rBuffer.append( ')' ); + _inout_rBuffer.append( '\n' ); + + // Get the first sub tree + for (auto const& child : m_aChildren) + child->showParseTree( _inout_rBuffer, nLevel+1 ); + } + else + { + // Found a token + switch (m_eNodeType) + { + + case SQLNodeType::Keyword: + _inout_rBuffer.appendAscii( "SQL_KEYWORD: " ); + _inout_rBuffer.append( OStringToOUString( OSQLParser::TokenIDToStr( getTokenID() ), RTL_TEXTENCODING_UTF8 ) ); + _inout_rBuffer.append( '\n' ); + break; + + case SQLNodeType::Name: + _inout_rBuffer.appendAscii( "SQL_NAME: " ); + _inout_rBuffer.append( '"' ); + _inout_rBuffer.append( m_aNodeValue ); + _inout_rBuffer.append( '"' ); + _inout_rBuffer.append( '\n' ); + break; + + case SQLNodeType::String: + _inout_rBuffer.appendAscii( "SQL_STRING: " ); + _inout_rBuffer.append( '\'' ); + _inout_rBuffer.append( m_aNodeValue ); + _inout_rBuffer.append( '\'' ); + _inout_rBuffer.append( '\n' ); + break; + + case SQLNodeType::IntNum: + _inout_rBuffer.appendAscii( "SQL_INTNUM: " ); + _inout_rBuffer.append( m_aNodeValue ); + _inout_rBuffer.append( '\n' ); + break; + + case SQLNodeType::ApproxNum: + _inout_rBuffer.appendAscii( "SQL_APPROXNUM: " ); + _inout_rBuffer.append( m_aNodeValue ); + _inout_rBuffer.append( '\n' ); + break; + + case SQLNodeType::Punctuation: + _inout_rBuffer.appendAscii( "SQL_PUNCTUATION: " ); + _inout_rBuffer.append( m_aNodeValue ); + _inout_rBuffer.append( '\n' ); + break; + + case SQLNodeType::Equal: + case SQLNodeType::Less: + case SQLNodeType::Great: + case SQLNodeType::LessEq: + case SQLNodeType::GreatEq: + case SQLNodeType::NotEqual: + _inout_rBuffer.append( m_aNodeValue ); + _inout_rBuffer.append( '\n' ); + break; + + case SQLNodeType::AccessDate: + _inout_rBuffer.appendAscii( "SQL_ACCESS_DATE: " ); + _inout_rBuffer.append( m_aNodeValue ); + _inout_rBuffer.append( '\n' ); + break; + + case SQLNodeType::Concat: + _inout_rBuffer.appendAscii( "||" ); + _inout_rBuffer.append( '\n' ); + break; + + default: + SAL_INFO( "connectivity.parse", "-- " << int( m_eNodeType ) ); + SAL_WARN( "connectivity.parse", "OSQLParser::ShowParseTree: unzulaessiger NodeType" ); + } + } +} +#endif // OSL_DEBUG_LEVEL > 0 + +// Insert methods + +void OSQLParseNode::insert(sal_uInt32 nPos, OSQLParseNode* pNewSubTree) +{ + OSL_ENSURE(pNewSubTree != nullptr, "OSQLParseNode: invalid NewSubTree"); + OSL_ENSURE(pNewSubTree->getParent() == nullptr, "OSQLParseNode: Node is not an orphan"); + + // Create connection to getParent + pNewSubTree->setParent( this ); + m_aChildren.emplace(m_aChildren.begin() + nPos, pNewSubTree); +} + +// removeAt methods + +OSQLParseNode* OSQLParseNode::removeAt(sal_uInt32 nPos) +{ + OSL_ENSURE(nPos < m_aChildren.size(),"Illegal position for removeAt"); + auto aPos(m_aChildren.begin() + nPos); + auto pNode = std::move(*aPos); + + // Set the getParent of the removed node to NULL + pNode->setParent( nullptr ); + + m_aChildren.erase(aPos); + return pNode.release(); +} + +// Replace methods + +OSQLParseNode* OSQLParseNode::replace(OSQLParseNode* pOldSubNode, OSQLParseNode* pNewSubNode ) +{ + OSL_ENSURE(pOldSubNode != nullptr && pNewSubNode != nullptr, "OSQLParseNode: invalid nodes"); + OSL_ENSURE(pNewSubNode->getParent() == nullptr, "OSQLParseNode: node already has getParent"); + OSL_ENSURE(std::any_of(m_aChildren.begin(), m_aChildren.end(), + [&] (std::unique_ptr<OSQLParseNode> const & r) { return r.get() == pOldSubNode; }), + "OSQLParseNode::Replace() Node not element of parent"); + OSL_ENSURE(std::none_of(m_aChildren.begin(), m_aChildren.end(), + [&] (std::unique_ptr<OSQLParseNode> const & r) { return r.get() == pNewSubNode; }), + "OSQLParseNode::Replace() Node already element of parent"); + + pOldSubNode->setParent( nullptr ); + pNewSubNode->setParent( this ); + auto it = std::find_if(m_aChildren.begin(), m_aChildren.end(), + [&pOldSubNode](const std::unique_ptr<OSQLParseNode>& rxChild) { return rxChild.get() == pOldSubNode; }); + if (it != m_aChildren.end()) + { + it->release(); + it->reset(pNewSubNode); + } + return pOldSubNode; +} + +void OSQLParseNode::parseLeaf(OUStringBuffer& rString, const SQLParseNodeParameter& rParam) const +{ + // Found a leaf + // Append content to the output string + switch (m_eNodeType) + { + case SQLNodeType::Keyword: + { + if (!rString.isEmpty()) + rString.append(" "); + + const OString sT = OSQLParser::TokenIDToStr(m_nNodeID, rParam.bInternational ? &rParam.m_rContext : nullptr); + rString.append(OStringToOUString(sT,RTL_TEXTENCODING_UTF8)); + } break; + case SQLNodeType::String: + if (!rString.isEmpty()) + rString.append(" "); + rString.append(SetQuotation(m_aNodeValue,"\'","\'\'")); + break; + case SQLNodeType::Name: + if (!rString.isEmpty()) + { + switch(rString[rString.getLength()-1]) + { + case ' ' : + case '.' : break; + default : + if ( rParam.aMetaData.getCatalogSeparator().isEmpty() + || rString[rString.getLength() - 1] != rParam.aMetaData.getCatalogSeparator().toChar() + ) + rString.append(" "); + break; + } + } + if (rParam.bQuote) + { + if (rParam.bPredicate) + { + rString.append("["); + rString.append(m_aNodeValue); + rString.append("]"); + } + else + rString.append(SetQuotation(m_aNodeValue, + rParam.aMetaData.getIdentifierQuoteString(), rParam.aMetaData.getIdentifierQuoteString() )); + } + else + rString.append(m_aNodeValue); + break; + case SQLNodeType::AccessDate: + if (!rString.isEmpty()) + rString.append(" "); + rString.append("#"); + rString.append(m_aNodeValue); + rString.append("#"); + break; + + case SQLNodeType::IntNum: + case SQLNodeType::ApproxNum: + { + OUString aTmp = m_aNodeValue; + static OUString strPoint("."); + if (rParam.bInternational && rParam.bPredicate && rParam.sDecSep != strPoint) + aTmp = aTmp.replaceAll(strPoint, rParam.sDecSep); + + if (!rString.isEmpty()) + rString.append(" "); + rString.append(aTmp); + + } break; + case SQLNodeType::Punctuation: + if ( getParent() && SQL_ISRULE(getParent(),cast_spec) && m_aNodeValue.toChar() == '(' ) // no spaces in front of '(' + { + rString.append(m_aNodeValue); + break; + } + [[fallthrough]]; + default: + if (!rString.isEmpty() && m_aNodeValue.toChar() != '.' && m_aNodeValue.toChar() != ':' ) + { + switch( rString[rString.getLength() - 1] ) + { + case ' ' : + case '.' : break; + default : + if ( rParam.aMetaData.getCatalogSeparator().isEmpty() + || rString[rString.getLength() - 1] != rParam.aMetaData.getCatalogSeparator().toChar() + ) + rString.append(" "); + break; + } + } + rString.append(m_aNodeValue); + } +} + + +sal_Int32 OSQLParser::getFunctionReturnType(const OUString& _sFunctionName, const IParseContext* pContext) +{ + sal_Int32 nType = DataType::VARCHAR; + OString sFunctionName(OUStringToOString(_sFunctionName,RTL_TEXTENCODING_UTF8)); + + if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_ASCII,pContext))) nType = DataType::INTEGER; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_BIT_LENGTH,pContext))) nType = DataType::INTEGER; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_CHAR,pContext))) nType = DataType::VARCHAR; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_CHAR_LENGTH,pContext))) nType = DataType::INTEGER; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_CONCAT,pContext))) nType = DataType::VARCHAR; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_DIFFERENCE,pContext))) nType = DataType::VARCHAR; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_INSERT,pContext))) nType = DataType::VARCHAR; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_LCASE,pContext))) nType = DataType::VARCHAR; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_LEFT,pContext))) nType = DataType::VARCHAR; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_LENGTH,pContext))) nType = DataType::INTEGER; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_LOCATE,pContext))) nType = DataType::VARCHAR; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_LOCATE_2,pContext))) nType = DataType::VARCHAR; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_LTRIM,pContext))) nType = DataType::VARCHAR; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_OCTET_LENGTH,pContext))) nType = DataType::INTEGER; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_POSITION,pContext))) nType = DataType::INTEGER; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_REPEAT,pContext))) nType = DataType::VARCHAR; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_REPLACE,pContext))) nType = DataType::VARCHAR; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_RIGHT,pContext))) nType = DataType::VARCHAR; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_RTRIM,pContext))) nType = DataType::VARCHAR; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_SOUNDEX,pContext))) nType = DataType::VARCHAR; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_SPACE,pContext))) nType = DataType::VARCHAR; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_SUBSTRING,pContext))) nType = DataType::VARCHAR; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_UCASE,pContext))) nType = DataType::VARCHAR; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_CURRENT_DATE,pContext))) nType = DataType::DATE; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_CURRENT_TIME,pContext))) nType = DataType::TIME; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_CURRENT_TIMESTAMP,pContext))) nType = DataType::TIMESTAMP; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_CURDATE,pContext))) nType = DataType::DATE; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_DATEDIFF,pContext))) nType = DataType::INTEGER; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_DATEVALUE,pContext))) nType = DataType::DATE; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_CURTIME,pContext))) nType = DataType::TIME; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_DAYNAME,pContext))) nType = DataType::VARCHAR; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_DAYOFMONTH,pContext))) nType = DataType::INTEGER; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_DAYOFWEEK,pContext))) nType = DataType::INTEGER; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_DAYOFYEAR,pContext))) nType = DataType::INTEGER; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_EXTRACT,pContext))) nType = DataType::VARCHAR; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_HOUR,pContext))) nType = DataType::INTEGER; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_MINUTE,pContext))) nType = DataType::INTEGER; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_MONTH,pContext))) nType = DataType::INTEGER; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_MONTHNAME,pContext))) nType = DataType::VARCHAR; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_NOW,pContext))) nType = DataType::TIMESTAMP; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_QUARTER,pContext))) nType = DataType::INTEGER; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_SECOND,pContext))) nType = DataType::INTEGER; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_TIMESTAMPADD,pContext))) nType = DataType::TIMESTAMP; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_TIMESTAMPDIFF,pContext))) nType = DataType::TIMESTAMP; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_TIMEVALUE,pContext))) nType = DataType::TIMESTAMP; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_WEEK,pContext))) nType = DataType::INTEGER; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_YEAR,pContext))) nType = DataType::INTEGER; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_ABS,pContext))) nType = DataType::DOUBLE; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_ACOS,pContext))) nType = DataType::DOUBLE; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_ASIN,pContext))) nType = DataType::DOUBLE; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_ATAN,pContext))) nType = DataType::DOUBLE; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_ATAN2,pContext))) nType = DataType::DOUBLE; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_CEILING,pContext))) nType = DataType::DOUBLE; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_COS,pContext))) nType = DataType::DOUBLE; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_COT,pContext))) nType = DataType::DOUBLE; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_DEGREES,pContext))) nType = DataType::DOUBLE; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_EXP,pContext))) nType = DataType::DOUBLE; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_FLOOR,pContext))) nType = DataType::DOUBLE; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_LOGF,pContext))) nType = DataType::DOUBLE; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_LOG,pContext))) nType = DataType::DOUBLE; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_LOG10,pContext))) nType = DataType::DOUBLE; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_LN,pContext))) nType = DataType::DOUBLE; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_MOD,pContext))) nType = DataType::DOUBLE; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_PI,pContext))) nType = DataType::DOUBLE; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_POWER,pContext))) nType = DataType::DOUBLE; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_RADIANS,pContext))) nType = DataType::DOUBLE; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_RAND,pContext))) nType = DataType::DOUBLE; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_ROUND,pContext))) nType = DataType::DOUBLE; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_ROUNDMAGIC,pContext))) nType = DataType::DOUBLE; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_SIGN,pContext))) nType = DataType::DOUBLE; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_SIN,pContext))) nType = DataType::DOUBLE; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_SQRT,pContext))) nType = DataType::DOUBLE; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_TAN,pContext))) nType = DataType::DOUBLE; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_TRUNCATE,pContext))) nType = DataType::DOUBLE; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_COUNT,pContext))) nType = DataType::INTEGER; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_MAX,pContext))) nType = DataType::DOUBLE; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_MIN,pContext))) nType = DataType::DOUBLE; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_AVG,pContext))) nType = DataType::DOUBLE; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_SUM,pContext))) nType = DataType::DOUBLE; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_LOWER,pContext))) nType = DataType::VARCHAR; + else if(sFunctionName.equalsIgnoreAsciiCase(TokenIDToStr(SQL_TOKEN_UPPER,pContext))) nType = DataType::VARCHAR; + + return nType; +} + +sal_Int32 OSQLParser::getFunctionParameterType(sal_uInt32 _nTokenId, sal_uInt32 _nPos) +{ + sal_Int32 nType = DataType::VARCHAR; + + if(_nTokenId == SQL_TOKEN_CHAR) nType = DataType::INTEGER; + else if(_nTokenId == SQL_TOKEN_INSERT) + { + if ( _nPos == 2 || _nPos == 3 ) + nType = DataType::INTEGER; + } + else if(_nTokenId == SQL_TOKEN_LEFT) + { + if ( _nPos == 2 ) + nType = DataType::INTEGER; + } + else if(_nTokenId == SQL_TOKEN_LOCATE) + { + if ( _nPos == 3 ) + nType = DataType::INTEGER; + } + else if(_nTokenId == SQL_TOKEN_LOCATE_2) + { + if ( _nPos == 3 ) + nType = DataType::INTEGER; + } + else if( _nTokenId == SQL_TOKEN_REPEAT || _nTokenId == SQL_TOKEN_RIGHT ) + { + if ( _nPos == 2 ) + nType = DataType::INTEGER; + } + else if(_nTokenId == SQL_TOKEN_SPACE ) + { + nType = DataType::INTEGER; + } + else if(_nTokenId == SQL_TOKEN_SUBSTRING) + { + if ( _nPos != 1 ) + nType = DataType::INTEGER; + } + else if(_nTokenId == SQL_TOKEN_DATEDIFF) + { + if ( _nPos != 1 ) + nType = DataType::TIMESTAMP; + } + else if(_nTokenId == SQL_TOKEN_DATEVALUE) + nType = DataType::DATE; + else if(_nTokenId == SQL_TOKEN_DAYNAME) + nType = DataType::DATE; + else if(_nTokenId == SQL_TOKEN_DAYOFMONTH) + nType = DataType::DATE; + else if(_nTokenId == SQL_TOKEN_DAYOFWEEK) + nType = DataType::DATE; + else if(_nTokenId == SQL_TOKEN_DAYOFYEAR) + nType = DataType::DATE; + else if(_nTokenId == SQL_TOKEN_EXTRACT) nType = DataType::VARCHAR; + else if(_nTokenId == SQL_TOKEN_HOUR) nType = DataType::TIME; + else if(_nTokenId == SQL_TOKEN_MINUTE) nType = DataType::TIME; + else if(_nTokenId == SQL_TOKEN_MONTH) nType = DataType::DATE; + else if(_nTokenId == SQL_TOKEN_MONTHNAME) nType = DataType::DATE; + else if(_nTokenId == SQL_TOKEN_NOW) nType = DataType::TIMESTAMP; + else if(_nTokenId == SQL_TOKEN_QUARTER) nType = DataType::DATE; + else if(_nTokenId == SQL_TOKEN_SECOND) nType = DataType::TIME; + else if(_nTokenId == SQL_TOKEN_TIMESTAMPADD) nType = DataType::TIMESTAMP; + else if(_nTokenId == SQL_TOKEN_TIMESTAMPDIFF) nType = DataType::TIMESTAMP; + else if(_nTokenId == SQL_TOKEN_TIMEVALUE) nType = DataType::TIMESTAMP; + else if(_nTokenId == SQL_TOKEN_WEEK) nType = DataType::DATE; + else if(_nTokenId == SQL_TOKEN_YEAR) nType = DataType::DATE; + + else if(_nTokenId == SQL_TOKEN_ABS) nType = DataType::DOUBLE; + else if(_nTokenId == SQL_TOKEN_ACOS) nType = DataType::DOUBLE; + else if(_nTokenId == SQL_TOKEN_ASIN) nType = DataType::DOUBLE; + else if(_nTokenId == SQL_TOKEN_ATAN) nType = DataType::DOUBLE; + else if(_nTokenId == SQL_TOKEN_ATAN2) nType = DataType::DOUBLE; + else if(_nTokenId == SQL_TOKEN_CEILING) nType = DataType::DOUBLE; + else if(_nTokenId == SQL_TOKEN_COS) nType = DataType::DOUBLE; + else if(_nTokenId == SQL_TOKEN_COT) nType = DataType::DOUBLE; + else if(_nTokenId == SQL_TOKEN_DEGREES) nType = DataType::DOUBLE; + else if(_nTokenId == SQL_TOKEN_EXP) nType = DataType::DOUBLE; + else if(_nTokenId == SQL_TOKEN_FLOOR) nType = DataType::DOUBLE; + else if(_nTokenId == SQL_TOKEN_LOGF) nType = DataType::DOUBLE; + else if(_nTokenId == SQL_TOKEN_LOG) nType = DataType::DOUBLE; + else if(_nTokenId == SQL_TOKEN_LOG10) nType = DataType::DOUBLE; + else if(_nTokenId == SQL_TOKEN_LN) nType = DataType::DOUBLE; + else if(_nTokenId == SQL_TOKEN_MOD) nType = DataType::DOUBLE; + else if(_nTokenId == SQL_TOKEN_PI) nType = DataType::DOUBLE; + else if(_nTokenId == SQL_TOKEN_POWER) nType = DataType::DOUBLE; + else if(_nTokenId == SQL_TOKEN_RADIANS) nType = DataType::DOUBLE; + else if(_nTokenId == SQL_TOKEN_RAND) nType = DataType::DOUBLE; + else if(_nTokenId == SQL_TOKEN_ROUND) nType = DataType::DOUBLE; + else if(_nTokenId == SQL_TOKEN_ROUNDMAGIC) nType = DataType::DOUBLE; + else if(_nTokenId == SQL_TOKEN_SIGN) nType = DataType::DOUBLE; + else if(_nTokenId == SQL_TOKEN_SIN) nType = DataType::DOUBLE; + else if(_nTokenId == SQL_TOKEN_SQRT) nType = DataType::DOUBLE; + else if(_nTokenId == SQL_TOKEN_TAN) nType = DataType::DOUBLE; + else if(_nTokenId == SQL_TOKEN_TRUNCATE) nType = DataType::DOUBLE; + else if(_nTokenId == SQL_TOKEN_COUNT) nType = DataType::INTEGER; + else if(_nTokenId == SQL_TOKEN_MAX) nType = DataType::DOUBLE; + else if(_nTokenId == SQL_TOKEN_MIN) nType = DataType::DOUBLE; + else if(_nTokenId == SQL_TOKEN_AVG) nType = DataType::DOUBLE; + else if(_nTokenId == SQL_TOKEN_SUM) nType = DataType::DOUBLE; + + else if(_nTokenId == SQL_TOKEN_LOWER) nType = DataType::VARCHAR; + else if(_nTokenId == SQL_TOKEN_UPPER) nType = DataType::VARCHAR; + + return nType; +} + + +const SQLError& OSQLParser::getErrorHelper() const +{ + return m_pData->aErrors; +} + + +OSQLParseNode::Rule OSQLParseNode::getKnownRuleID() const +{ + if ( !isRule() ) + return UNKNOWN_RULE; + return OSQLParser::RuleIDToRule( getRuleID() ); +} + +OUString OSQLParseNode::getTableRange(const OSQLParseNode* _pTableRef) +{ + OSL_ENSURE(_pTableRef && _pTableRef->count() > 1 && _pTableRef->getKnownRuleID() == OSQLParseNode::table_ref,"Invalid node give, only table ref is allowed!"); + const sal_uInt32 nCount = _pTableRef->count(); + OUString sTableRange; + if ( nCount == 2 || (nCount == 3 && !_pTableRef->getChild(0)->isToken()) ) + { + const OSQLParseNode* pNode = _pTableRef->getChild(nCount - (nCount == 2 ? 1 : 2)); + OSL_ENSURE(pNode && (pNode->getKnownRuleID() == OSQLParseNode::table_primary_as_range_column + || pNode->getKnownRuleID() == OSQLParseNode::range_variable) + ,"SQL grammar changed!"); + if ( !pNode->isLeaf() ) + sTableRange = pNode->getChild(1)->getTokenValue(); + } // if ( nCount == 2 || nCount == 3 ) + + return sTableRange; +} + +OSQLParseNodesContainer::OSQLParseNodesContainer() +{ +} + +OSQLParseNodesContainer::~OSQLParseNodesContainer() +{ +} + +void OSQLParseNodesContainer::push_back(OSQLParseNode* _pNode) +{ + ::osl::MutexGuard aGuard(m_aMutex); + m_aNodes.push_back(_pNode); +} + +void OSQLParseNodesContainer::erase(OSQLParseNode* _pNode) +{ + ::osl::MutexGuard aGuard(m_aMutex); + if ( !m_aNodes.empty() ) + { + std::vector< OSQLParseNode* >::iterator aFind = std::find(m_aNodes.begin(), m_aNodes.end(),_pNode); + if ( aFind != m_aNodes.end() ) + m_aNodes.erase(aFind); + } +} + +void OSQLParseNodesContainer::clear() +{ + ::osl::MutexGuard aGuard(m_aMutex); + m_aNodes.clear(); +} + +void OSQLParseNodesContainer::clearAndDelete() +{ + ::osl::MutexGuard aGuard(m_aMutex); + // clear the garbage collector + while ( !m_aNodes.empty() ) + { + OSQLParseNode* pNode = m_aNodes[0]; + while ( pNode->getParent() ) + { + pNode = pNode->getParent(); + } + delete pNode; + } +} +} // namespace connectivity + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |