440 lines
20 KiB
C++
440 lines
20 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
|
/*
|
|
* This file is part of the LibreOffice project.
|
|
*
|
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
*
|
|
* This file incorporates work covered by the following license notice:
|
|
*
|
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
* contributor license agreements. See the NOTICE file distributed
|
|
* with this work for additional information regarding copyright
|
|
* ownership. The ASF licenses this file to you under the Apache
|
|
* License, Version 2.0 (the "License"); you may not use this file
|
|
* except in compliance with the License. You may obtain a copy of
|
|
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
|
|
*/
|
|
|
|
|
|
#include <connectivity/predicateinput.hxx>
|
|
#include <comphelper/types.hxx>
|
|
#include <connectivity/dbtools.hxx>
|
|
#include <com/sun/star/sdbc/DataType.hpp>
|
|
#include <com/sun/star/sdbc/ColumnValue.hpp>
|
|
#include <osl/diagnose.h>
|
|
#include <connectivity/sqlnode.hxx>
|
|
#include <connectivity/PColumn.hxx>
|
|
#include <comphelper/numbers.hxx>
|
|
|
|
#include <boost/shared_ptr.hpp>
|
|
|
|
//.........................................................................
|
|
namespace dbtools
|
|
{
|
|
//.........................................................................
|
|
|
|
using ::com::sun::star::sdbc::XConnection;
|
|
using ::com::sun::star::lang::XMultiServiceFactory;
|
|
using ::com::sun::star::util::XNumberFormatsSupplier;
|
|
using ::com::sun::star::util::XNumberFormatter;
|
|
using ::com::sun::star::uno::UNO_QUERY;
|
|
using ::com::sun::star::beans::XPropertySet;
|
|
using ::com::sun::star::beans::XPropertySetInfo;
|
|
using ::com::sun::star::lang::Locale;
|
|
using ::com::sun::star::uno::Exception;
|
|
using ::com::sun::star::i18n::XLocaleData;
|
|
using ::com::sun::star::i18n::LocaleDataItem;
|
|
|
|
using namespace ::com::sun::star::sdbc;
|
|
using namespace ::connectivity;
|
|
|
|
using ::connectivity::OSQLParseNode;
|
|
|
|
#define Reference ::com::sun::star::uno::Reference
|
|
|
|
//=====================================================================
|
|
//---------------------------------------------------------------------
|
|
static sal_Unicode lcl_getSeparatorChar( const ::rtl::OUString& _rSeparator, sal_Unicode _nFallback )
|
|
{
|
|
OSL_ENSURE( !_rSeparator.isEmpty(), "::lcl_getSeparatorChar: invalid separator string!" );
|
|
|
|
sal_Unicode nReturn( _nFallback );
|
|
if ( !_rSeparator.isEmpty() )
|
|
nReturn = static_cast< sal_Char >( _rSeparator.getStr()[0] );
|
|
return nReturn;
|
|
}
|
|
|
|
//=====================================================================
|
|
//= OPredicateInputController
|
|
//=====================================================================
|
|
//---------------------------------------------------------------------
|
|
sal_Bool OPredicateInputController::getSeparatorChars( const Locale& _rLocale, sal_Unicode& _rDecSep, sal_Unicode& _rThdSep ) const
|
|
{
|
|
_rDecSep = '.';
|
|
_rThdSep = ',';
|
|
try
|
|
{
|
|
LocaleDataItem aLocaleData;
|
|
if ( m_xLocaleData.is() )
|
|
{
|
|
aLocaleData = m_xLocaleData->getLocaleItem( _rLocale );
|
|
_rDecSep = lcl_getSeparatorChar( aLocaleData.decimalSeparator, _rDecSep );
|
|
_rThdSep = lcl_getSeparatorChar( aLocaleData.decimalSeparator, _rThdSep );
|
|
return sal_True;
|
|
}
|
|
}
|
|
catch( const Exception& )
|
|
{
|
|
OSL_FAIL( "OPredicateInputController::getSeparatorChars: caught an exception!" );
|
|
}
|
|
return sal_False;
|
|
}
|
|
|
|
//---------------------------------------------------------------------
|
|
OPredicateInputController::OPredicateInputController(
|
|
const Reference< XMultiServiceFactory >& _rxORB, const Reference< XConnection >& _rxConnection, const IParseContext* _pParseContext )
|
|
:m_xORB( _rxORB )
|
|
,m_xConnection( _rxConnection )
|
|
,m_aParser( m_xORB, _pParseContext )
|
|
{
|
|
try
|
|
{
|
|
// create a number formatter / number formats supplier pair
|
|
OSL_ENSURE( m_xORB.is(), "OPredicateInputController::OPredicateInputController: need a service factory!" );
|
|
if ( m_xORB.is() )
|
|
{
|
|
m_xFormatter = Reference< XNumberFormatter >( m_xORB->createInstance(
|
|
::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.util.NumberFormatter" ) ) ),
|
|
UNO_QUERY
|
|
);
|
|
}
|
|
|
|
Reference< XNumberFormatsSupplier > xNumberFormats = ::dbtools::getNumberFormats( m_xConnection, sal_True );
|
|
if ( !xNumberFormats.is() )
|
|
::comphelper::disposeComponent( m_xFormatter );
|
|
else if ( m_xFormatter.is() )
|
|
m_xFormatter->attachNumberFormatsSupplier( xNumberFormats );
|
|
|
|
// create the locale data
|
|
if ( m_xORB.is() )
|
|
{
|
|
m_xLocaleData = m_xLocaleData.query( m_xORB->createInstance(
|
|
::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.i18n.LocaleData" ) ) )
|
|
);
|
|
}
|
|
}
|
|
catch( const Exception& )
|
|
{
|
|
OSL_FAIL( "OPredicateInputController::OPredicateInputController: caught an exception!" );
|
|
}
|
|
}
|
|
|
|
//---------------------------------------------------------------------
|
|
OSQLParseNode* OPredicateInputController::implPredicateTree(::rtl::OUString& _rErrorMessage, const ::rtl::OUString& _rStatement, const Reference< XPropertySet > & _rxField) const
|
|
{
|
|
OSQLParseNode* pReturn = const_cast< OSQLParser& >( m_aParser ).predicateTree( _rErrorMessage, _rStatement, m_xFormatter, _rxField );
|
|
if ( !pReturn )
|
|
{ // is it a text field ?
|
|
sal_Int32 nType = DataType::OTHER;
|
|
_rxField->getPropertyValue( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "Type" )) ) >>= nType;
|
|
|
|
if ( ( DataType::CHAR == nType )
|
|
|| ( DataType::VARCHAR == nType )
|
|
|| ( DataType::LONGVARCHAR == nType )
|
|
|| ( DataType::CLOB == nType )
|
|
)
|
|
{ // yes -> force a quoted text and try again
|
|
::rtl::OUString sQuoted( _rStatement );
|
|
if ( !sQuoted.isEmpty()
|
|
&& ( (sQuoted.getStr()[0] != '\'')
|
|
|| (sQuoted.getStr()[ sQuoted.getLength() - 1 ] != '\'' )
|
|
)
|
|
)
|
|
{
|
|
static const ::rtl::OUString sSingleQuote( RTL_CONSTASCII_USTRINGPARAM( "'" ) );
|
|
static const ::rtl::OUString sDoubleQuote( RTL_CONSTASCII_USTRINGPARAM( "''" ) );
|
|
|
|
sal_Int32 nIndex = -1;
|
|
sal_Int32 nTemp = 0;
|
|
while ( -1 != ( nIndex = sQuoted.indexOf( '\'',nTemp ) ) )
|
|
{
|
|
sQuoted = sQuoted.replaceAt( nIndex, 1, sDoubleQuote );
|
|
nTemp = nIndex+2;
|
|
}
|
|
|
|
::rtl::OUString sTemp( sSingleQuote );
|
|
( sTemp += sQuoted ) += sSingleQuote;
|
|
sQuoted = sTemp;
|
|
}
|
|
pReturn = const_cast< OSQLParser& >( m_aParser ).predicateTree( _rErrorMessage, sQuoted, m_xFormatter, _rxField );
|
|
}
|
|
|
|
// one more fallback: for numeric fields, and value strings containing a decimal/thousands separator
|
|
// problem which is to be solved with this:
|
|
// * a system locale "german"
|
|
// * a column formatted with an english number format
|
|
// => the output is german (as we use the system locale for this), i.e. "3,4"
|
|
// => the input does not recognize the german text, as predicateTree uses the number format
|
|
// of the column to determine the main locale - the locale on the context is only a fallback
|
|
if ( ( DataType::FLOAT == nType )
|
|
|| ( DataType::REAL == nType )
|
|
|| ( DataType::DOUBLE == nType )
|
|
|| ( DataType::NUMERIC == nType )
|
|
|| ( DataType::DECIMAL == nType )
|
|
)
|
|
{
|
|
const IParseContext& rParseContext = m_aParser.getContext();
|
|
// get the separators for the locale of our parse context
|
|
sal_Unicode nCtxDecSep;
|
|
sal_Unicode nCtxThdSep;
|
|
getSeparatorChars( rParseContext.getPreferredLocale(), nCtxDecSep, nCtxThdSep );
|
|
|
|
// determine the locale of the column we're building a predicate string for
|
|
sal_Unicode nFmtDecSep( nCtxDecSep );
|
|
sal_Unicode nFmtThdSep( nCtxThdSep );
|
|
try
|
|
{
|
|
Reference< XPropertySetInfo > xPSI( _rxField->getPropertySetInfo() );
|
|
if ( xPSI.is() && xPSI->hasPropertyByName( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "FormatKey" )) ) )
|
|
{
|
|
sal_Int32 nFormatKey = 0;
|
|
_rxField->getPropertyValue( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "FormatKey" )) ) >>= nFormatKey;
|
|
if ( nFormatKey && m_xFormatter.is() )
|
|
{
|
|
Locale aFormatLocale;
|
|
::comphelper::getNumberFormatProperty(
|
|
m_xFormatter,
|
|
nFormatKey,
|
|
::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "Locale" ) )
|
|
) >>= aFormatLocale;
|
|
|
|
// valid locale
|
|
if ( !aFormatLocale.Language.isEmpty() )
|
|
{
|
|
getSeparatorChars( aFormatLocale, nFmtDecSep, nCtxThdSep );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
catch( const Exception& )
|
|
{
|
|
OSL_FAIL( "OPredicateInputController::implPredicateTree: caught an exception while dealing with the formats!" );
|
|
}
|
|
|
|
sal_Bool bDecDiffers = ( nCtxDecSep != nFmtDecSep );
|
|
sal_Bool bFmtDiffers = ( nCtxThdSep != nFmtThdSep );
|
|
if ( bDecDiffers || bFmtDiffers )
|
|
{ // okay, at least one differs
|
|
// "translate" the value into the "format locale"
|
|
::rtl::OUString sTranslated( _rStatement );
|
|
const sal_Unicode nIntermediate( '_' );
|
|
sTranslated = sTranslated.replace( nCtxDecSep, nIntermediate );
|
|
sTranslated = sTranslated.replace( nCtxThdSep, nFmtThdSep );
|
|
sTranslated = sTranslated.replace( nIntermediate, nFmtDecSep );
|
|
|
|
pReturn = const_cast< OSQLParser& >( m_aParser ).predicateTree( _rErrorMessage, sTranslated, m_xFormatter, _rxField );
|
|
}
|
|
}
|
|
}
|
|
return pReturn;
|
|
}
|
|
|
|
//---------------------------------------------------------------------
|
|
sal_Bool OPredicateInputController::normalizePredicateString(
|
|
::rtl::OUString& _rPredicateValue, const Reference< XPropertySet > & _rxField, ::rtl::OUString* _pErrorMessage ) const
|
|
{
|
|
OSL_ENSURE( m_xConnection.is() && m_xFormatter.is() && _rxField.is(),
|
|
"OPredicateInputController::normalizePredicateString: invalid state or params!" );
|
|
|
|
sal_Bool bSuccess = sal_False;
|
|
if ( m_xConnection.is() && m_xFormatter.is() && _rxField.is() )
|
|
{
|
|
// parse the string
|
|
::rtl::OUString sError;
|
|
::rtl::OUString sTransformedText( _rPredicateValue );
|
|
OSQLParseNode* pParseNode = implPredicateTree( sError, sTransformedText, _rxField );
|
|
if ( _pErrorMessage ) *_pErrorMessage = sError;
|
|
|
|
if ( pParseNode )
|
|
{
|
|
const IParseContext& rParseContext = m_aParser.getContext();
|
|
sal_Unicode nDecSeparator, nThousandSeparator;
|
|
getSeparatorChars( rParseContext.getPreferredLocale(), nDecSeparator, nThousandSeparator );
|
|
|
|
// translate it back into a string
|
|
sTransformedText = ::rtl::OUString();
|
|
pParseNode->parseNodeToPredicateStr(
|
|
sTransformedText, m_xConnection, m_xFormatter, _rxField,
|
|
rParseContext.getPreferredLocale(), (sal_Char)nDecSeparator, &rParseContext
|
|
);
|
|
_rPredicateValue = sTransformedText;
|
|
delete pParseNode;
|
|
|
|
bSuccess = sal_True;
|
|
}
|
|
}
|
|
|
|
return bSuccess;
|
|
}
|
|
|
|
//---------------------------------------------------------------------
|
|
::rtl::OUString OPredicateInputController::getPredicateValue(
|
|
const ::rtl::OUString& _rPredicateValue, const Reference< XPropertySet > & _rxField,
|
|
sal_Bool _bForStatementUse, ::rtl::OUString* _pErrorMessage ) const
|
|
{
|
|
OSL_ENSURE( _rxField.is(), "OPredicateInputController::getPredicateValue: invalid params!" );
|
|
::rtl::OUString sReturn;
|
|
if ( _rxField.is() )
|
|
{
|
|
::rtl::OUString sValue( _rPredicateValue );
|
|
|
|
// a little problem : if the field is a text field, the normalizePredicateString added two
|
|
// '-characters to the text. If we would give this to predicateTree this would add
|
|
// two additional '-characters which we don't want. So check the field format.
|
|
// FS - 06.01.00 - 71532
|
|
sal_Bool bValidQuotedText = ( sValue.getLength() >= 2 )
|
|
&& ( sValue.getStr()[0] == '\'' )
|
|
&& ( sValue.getStr()[ sValue.getLength() - 1 ] == '\'' );
|
|
// again : as normalizePredicateString always did a conversion on the value text,
|
|
// bValidQuotedText == sal_True implies that we have a text field, as no other field
|
|
// values will be formatted with the quote characters
|
|
if ( bValidQuotedText )
|
|
{
|
|
sValue = sValue.copy( 1, sValue.getLength() - 2 );
|
|
static const ::rtl::OUString sSingleQuote( RTL_CONSTASCII_USTRINGPARAM( "'" ) );
|
|
static const ::rtl::OUString sDoubleQuote( RTL_CONSTASCII_USTRINGPARAM( "''" ) );
|
|
|
|
sal_Int32 nIndex = -1;
|
|
sal_Int32 nTemp = 0;
|
|
while ( -1 != ( nIndex = sValue.indexOf( sDoubleQuote,nTemp ) ) )
|
|
{
|
|
sValue = sValue.replaceAt( nIndex, 2, sSingleQuote );
|
|
nTemp = nIndex+2;
|
|
}
|
|
}
|
|
|
|
// The following is mostly stolen from the former implementation in the parameter dialog
|
|
// (dbaccess/source/ui/dlg/paramdialog.cxx). I do not fully understand this .....
|
|
|
|
::rtl::OUString sError;
|
|
OSQLParseNode* pParseNode = implPredicateTree( sError, sValue, _rxField );
|
|
if ( _pErrorMessage )
|
|
*_pErrorMessage = sError;
|
|
|
|
sReturn = implParseNode(pParseNode,_bForStatementUse);
|
|
}
|
|
|
|
return sReturn;
|
|
}
|
|
|
|
::rtl::OUString OPredicateInputController::getPredicateValue(
|
|
const ::rtl::OUString& _sField, const ::rtl::OUString& _rPredicateValue, sal_Bool _bForStatementUse, ::rtl::OUString* _pErrorMessage ) const
|
|
{
|
|
::rtl::OUString sReturn = _rPredicateValue;
|
|
::rtl::OUString sError;
|
|
::rtl::OUString sField = _sField;
|
|
sal_Int32 nIndex = 0;
|
|
sField = sField.getToken(0,'(',nIndex);
|
|
if(nIndex == -1)
|
|
sField = _sField;
|
|
sal_Int32 nType = ::connectivity::OSQLParser::getFunctionReturnType(sField,&m_aParser.getContext());
|
|
if ( nType == DataType::OTHER || sField.isEmpty() )
|
|
{
|
|
// first try the international version
|
|
::rtl::OUString sSql;
|
|
sSql += ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("SELECT * "));
|
|
sSql += ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(" FROM x WHERE "));
|
|
sSql += sField;
|
|
sSql += _rPredicateValue;
|
|
::std::auto_ptr<OSQLParseNode> pParseNode( const_cast< OSQLParser& >( m_aParser ).parseTree( sError, sSql, sal_True ) );
|
|
nType = DataType::DOUBLE;
|
|
if ( pParseNode.get() )
|
|
{
|
|
OSQLParseNode* pColumnRef = pParseNode->getByRule(OSQLParseNode::column_ref);
|
|
if ( pColumnRef )
|
|
{
|
|
}
|
|
}
|
|
}
|
|
|
|
Reference<XDatabaseMetaData> xMeta = m_xConnection->getMetaData();
|
|
parse::OParseColumn* pColumn = new parse::OParseColumn( sField,
|
|
::rtl::OUString(),
|
|
::rtl::OUString(),
|
|
::rtl::OUString(),
|
|
ColumnValue::NULLABLE_UNKNOWN,
|
|
0,
|
|
0,
|
|
nType,
|
|
sal_False,
|
|
sal_False,
|
|
xMeta.is() && xMeta->supportsMixedCaseQuotedIdentifiers());
|
|
Reference<XPropertySet> xColumn = pColumn;
|
|
pColumn->setFunction(sal_True);
|
|
pColumn->setRealName(sField);
|
|
|
|
OSQLParseNode* pParseNode = implPredicateTree( sError, _rPredicateValue, xColumn );
|
|
if ( _pErrorMessage )
|
|
*_pErrorMessage = sError;
|
|
return pParseNode ? implParseNode(pParseNode,_bForStatementUse) : sReturn;
|
|
}
|
|
|
|
::rtl::OUString OPredicateInputController::implParseNode(OSQLParseNode* pParseNode,sal_Bool _bForStatementUse) const
|
|
{
|
|
::rtl::OUString sReturn;
|
|
if ( pParseNode )
|
|
{
|
|
boost::shared_ptr<OSQLParseNode> xTakeOwnership(pParseNode);
|
|
OSQLParseNode* pOdbcSpec = pParseNode->getByRule( OSQLParseNode::odbc_fct_spec );
|
|
if ( pOdbcSpec )
|
|
{
|
|
if ( _bForStatementUse )
|
|
{
|
|
OSQLParseNode* pFuncSpecParent = pOdbcSpec->getParent();
|
|
OSL_ENSURE( pFuncSpecParent, "OPredicateInputController::getPredicateValue: an ODBC func spec node without parent?" );
|
|
if ( pFuncSpecParent )
|
|
pFuncSpecParent->parseNodeToStr(sReturn, m_xConnection, &m_aParser.getContext(), sal_False, sal_True);
|
|
}
|
|
else
|
|
{
|
|
OSQLParseNode* pValueNode = pOdbcSpec->getChild(1);
|
|
if ( SQL_NODE_STRING == pValueNode->getNodeType() )
|
|
sReturn = pValueNode->getTokenValue();
|
|
else
|
|
pValueNode->parseNodeToStr(sReturn, m_xConnection, &m_aParser.getContext(), sal_False, sal_True);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if ( pParseNode->count() >= 3 )
|
|
{
|
|
OSQLParseNode* pValueNode = pParseNode->getChild(2);
|
|
OSL_ENSURE( pValueNode, "OPredicateInputController::getPredicateValue: invalid node child!" );
|
|
if ( !_bForStatementUse )
|
|
{
|
|
if ( SQL_NODE_STRING == pValueNode->getNodeType() )
|
|
sReturn = pValueNode->getTokenValue();
|
|
else
|
|
pValueNode->parseNodeToStr(
|
|
sReturn, m_xConnection, &m_aParser.getContext(), sal_False, sal_True
|
|
);
|
|
}
|
|
else
|
|
pValueNode->parseNodeToStr(
|
|
sReturn, m_xConnection, &m_aParser.getContext(), sal_False, sal_True
|
|
);
|
|
}
|
|
else
|
|
OSL_FAIL( "OPredicateInputController::getPredicateValue: unknown/invalid structure (noodbc)!" );
|
|
}
|
|
}
|
|
return sReturn;
|
|
}
|
|
//.........................................................................
|
|
} // namespace dbtools
|
|
//.........................................................................
|
|
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|