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c8481c8a43ce2544275b2d70ef29a8b0cb157732
libreoffice/xmloff/source/xforms/SchemaRestrictionContext.cxx
Stephan Bergmann 206b5b2661 New loplugin:external 
...warning about (for now only) functions and variables with external linkage
that likely don't need it.

The problems with moving entities into unnamed namespacs and breaking ADL
(as alluded to in comments in compilerplugins/clang/external.cxx) are
illustrated by the fact that while

  struct S1 { int f() { return 0; } };
  int f(S1 s) { return s.f(); }
  namespace N {
    struct S2: S1 { int f() { return 1; } };
    int f(S2 s) { return s.f(); }
  }
  int main() { return f(N::S2()); }

returns 1, both moving just the struct S2 into an nunnamed namespace,

  struct S1 { int f() { return 0; } };
  int f(S1 s) { return s.f(); }
  namespace N {
    namespace { struct S2: S1 { int f() { return 1; } }; }
    int f(S2 s) { return s.f(); }
  }
  int main() { return f(N::S2()); }

as well as moving just the function f overload into an unnamed namespace,

  struct S1 { int f() { return 0; } };
  int f(S1 s) { return s.f(); }
  namespace N {
    struct S2: S1 { int f() { return 1; } };
    namespace { int f(S2 s) { return s.f(); } }
  }
  int main() { return f(N::S2()); }

would each change the program to return 0 instead.

Change-Id: I4d09f7ac5e8f9bcd6e6bde4712608444b642265c
Reviewed-on: https://gerrit.libreoffice.org/60539
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
2018-09-17 09:05:38 +02:00

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/* -*- 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 "SchemaRestrictionContext.hxx"
#include "xformsapi.hxx"
#include <xmloff/xmltoken.hxx>
#include <xmloff/nmspmap.hxx>
#include <xmloff/xmlnmspe.hxx>
#include <xmloff/xmltkmap.hxx>
#include <xmloff/xmlimp.hxx>
#include <sax/tools/converter.hxx>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/util/Date.hpp>
#include <com/sun/star/util/Time.hpp>
#include <com/sun/star/util/DateTime.hpp>
#include <com/sun/star/util/Duration.hpp>
#include <com/sun/star/xforms/XDataTypeRepository.hpp>
#include <com/sun/star/xsd/DataTypeClass.hpp>
#include <com/sun/star/xsd/WhiteSpaceTreatment.hpp>
#include <osl/diagnose.h>
#include <sal/log.hxx>
using com::sun::star::uno::Reference;
using com::sun::star::uno::Exception;
using com::sun::star::uno::Any;
using com::sun::star::uno::makeAny;
using com::sun::star::uno::UNO_QUERY;
using namespace com::sun::star;
using com::sun::star::util::Duration;
using com::sun::star::xml::sax::XAttributeList;
using com::sun::star::beans::XPropertySet;
using com::sun::star::xforms::XDataTypeRepository;
using namespace xmloff::token;
static const SvXMLTokenMapEntry aAttributes[] =
{
TOKEN_MAP_ENTRY( NONE, BASE ),
XML_TOKEN_MAP_END
};
static const SvXMLTokenMapEntry aChildren[] =
{
TOKEN_MAP_ENTRY( XSD, LENGTH ),
TOKEN_MAP_ENTRY( XSD, MINLENGTH ),
TOKEN_MAP_ENTRY( XSD, MAXLENGTH ),
TOKEN_MAP_ENTRY( XSD, MININCLUSIVE ),
TOKEN_MAP_ENTRY( XSD, MINEXCLUSIVE ),
TOKEN_MAP_ENTRY( XSD, MAXINCLUSIVE ),
TOKEN_MAP_ENTRY( XSD, MAXEXCLUSIVE ),
TOKEN_MAP_ENTRY( XSD, PATTERN ),
// ??? XML_ENUMERATION
TOKEN_MAP_ENTRY( XSD, WHITESPACE ),
TOKEN_MAP_ENTRY( XSD, TOTALDIGITS ),
TOKEN_MAP_ENTRY( XSD, FRACTIONDIGITS ),
XML_TOKEN_MAP_END
};
SchemaRestrictionContext::SchemaRestrictionContext(
SvXMLImport& rImport,
sal_uInt16 nPrefix,
const OUString& rLocalName,
Reference<css::xforms::XDataTypeRepository> const & rRepository,
const OUString& sTypeName ) :
TokenContext( rImport, nPrefix, rLocalName, aAttributes, aChildren ),
mxRepository( rRepository ),
msTypeName( sTypeName ),
msBaseName()
{
SAL_WARN_IF( !mxRepository.is(), "xmloff", "need repository" );
}
void SchemaRestrictionContext::CreateDataType()
{
// only do something if we don't have a data type already
if( mxDataType.is() )
return;
SAL_WARN_IF( msBaseName.isEmpty(), "xmloff", "no base name?" );
SAL_WARN_IF( !mxRepository.is(), "xmloff", "no repository?" );
try
{
mxDataType =
Reference<XPropertySet>(
mxRepository->cloneDataType(
xforms_getBasicTypeName( mxRepository,
GetImport().GetNamespaceMap(),
msBaseName ),
msTypeName ),
UNO_QUERY );
}
catch( const Exception& )
{
OSL_FAIL( "exception during type creation" );
}
SAL_WARN_IF( !mxDataType.is(), "xmloff", "can't create type" );
}
void SchemaRestrictionContext::HandleAttribute(
sal_uInt16 nToken,
const OUString& rValue )
{
if( nToken == XML_BASE )
{
msBaseName = rValue;
}
}
typedef Any (*convert_t)( const OUString& );
static Any xforms_string( const OUString& rValue )
{
return makeAny( rValue );
}
static Any xforms_int32( const OUString& rValue )
{
sal_Int32 nValue;
bool bSuccess = ::sax::Converter::convertNumber( nValue, rValue );
return bSuccess ? makeAny( nValue ) : Any();
}
static Any xforms_int16( const OUString& rValue )
{
sal_Int32 nValue;
bool bSuccess = ::sax::Converter::convertNumber( nValue, rValue );
return bSuccess ? makeAny( static_cast<sal_Int16>( nValue ) ) : Any();
}
static Any xforms_whitespace( const OUString& rValue )
{
Any aValue;
if( IsXMLToken( rValue, XML_PRESERVE ) )
aValue <<= css::xsd::WhiteSpaceTreatment::Preserve;
else if( IsXMLToken( rValue, XML_REPLACE ) )
aValue <<= css::xsd::WhiteSpaceTreatment::Replace;
else if( IsXMLToken( rValue, XML_COLLAPSE ) )
aValue <<= css::xsd::WhiteSpaceTreatment::Collapse;
return aValue;
}
static Any xforms_double( const OUString& rValue )
{
double fValue;
bool bSuccess = ::sax::Converter::convertDouble( fValue, rValue );
return bSuccess ? makeAny( fValue ) : Any();
}
static Any xforms_date( const OUString& rValue )
{
Any aAny;
// parse ISO date
sal_Int32 nPos1 = rValue.indexOf( '-' );
sal_Int32 nPos2 = rValue.indexOf( '-', nPos1 + 1 );
if( nPos1 > 0 && nPos2 > 0 )
{
util::Date aDate;
aDate.Year = static_cast<sal_uInt16>(
rValue.copy( 0, nPos1 ).toInt32() );
aDate.Month = static_cast<sal_uInt16>(
rValue.copy( nPos1 + 1, nPos2 - nPos1 - 1 ).toInt32() );
aDate.Day = static_cast<sal_uInt16>(
rValue.copy( nPos2 + 1 ).toInt32() );
aAny <<= aDate;
}
return aAny;
}
static Any xforms_dateTime( const OUString& rValue )
{
util::DateTime aDateTime;
bool const bSuccess = ::sax::Converter::parseDateTime(aDateTime, rValue);
return bSuccess ? makeAny( aDateTime ) : Any();
}
static Any xforms_time( const OUString& rValue )
{
Any aAny;
Duration aDuration;
if (::sax::Converter::convertDuration( aDuration, rValue ))
{
css::util::Time aTime;
aTime.Hours = aDuration.Hours;
aTime.Minutes = aDuration.Minutes;
aTime.Seconds = aDuration.Seconds;
aTime.NanoSeconds = aDuration.NanoSeconds;
aAny <<= aTime;
}
return aAny;
}
SvXMLImportContext* SchemaRestrictionContext::HandleChild(
sal_uInt16 nToken,
sal_uInt16 nPrefix,
const OUString& rLocalName,
const Reference<XAttributeList>& xAttrList )
{
// find value
OUString sValue;
sal_Int16 nLength = xAttrList->getLength();
for( sal_Int16 n = 0; n < nLength; n++ )
{
if( IsXMLToken( xAttrList->getNameByIndex( n ), XML_VALUE ) )
sValue = xAttrList->getValueByIndex( n );
}
// determine property name + suitable converter
OUString sPropertyName;
convert_t pConvert = nullptr;
switch( nToken )
{
case XML_LENGTH:
sPropertyName = "Length";
pConvert = &xforms_int32;
break;
case XML_MINLENGTH:
sPropertyName = "MinLength";
pConvert = &xforms_int32;
break;
case XML_MAXLENGTH:
sPropertyName = "MaxLength";
pConvert = &xforms_int32;
break;
case XML_TOTALDIGITS:
sPropertyName = "TotalDigits";
pConvert = &xforms_int32;
break;
case XML_FRACTIONDIGITS:
sPropertyName = "FractionDigits";
pConvert = &xforms_int32;
break;
case XML_PATTERN:
sPropertyName = "Pattern";
pConvert = &xforms_string;
break;
case XML_WHITESPACE:
sPropertyName = "WhiteSpace";
pConvert = &xforms_whitespace;
break;
case XML_MININCLUSIVE:
case XML_MINEXCLUSIVE:
case XML_MAXINCLUSIVE:
case XML_MAXEXCLUSIVE:
{
// these attributes are mapped to different properties.
// To determine the property name, we use an attribute
// dependent prefix and a type dependent suffix. The
// converter is only type dependent.
// first, attribute-dependent prefix
switch( nToken )
{
case XML_MININCLUSIVE:
sPropertyName = "MinInclusive";
break;
case XML_MINEXCLUSIVE:
sPropertyName = "MinExclusive";
break;
case XML_MAXINCLUSIVE:
sPropertyName = "MaxInclusive";
break;
case XML_MAXEXCLUSIVE:
sPropertyName = "MaxExclusive";
break;
}
// second, type-dependent suffix + converter
switch( xforms_getTypeClass( mxRepository,
GetImport().GetNamespaceMap(),
msBaseName ) )
{
case css::xsd::DataTypeClass::DECIMAL:
case css::xsd::DataTypeClass::DOUBLE:
case css::xsd::DataTypeClass::FLOAT:
sPropertyName += "Double";
pConvert = &xforms_double;
break;
case css::xsd::DataTypeClass::DATETIME:
sPropertyName += "DateTime";
pConvert = &xforms_dateTime;
break;
case css::xsd::DataTypeClass::DATE:
sPropertyName += "Date";
pConvert = &xforms_date;
break;
case css::xsd::DataTypeClass::TIME:
sPropertyName += "Time";
pConvert = &xforms_time;
break;
case css::xsd::DataTypeClass::gYear:
case css::xsd::DataTypeClass::gDay:
case css::xsd::DataTypeClass::gMonth:
sPropertyName += "Int";
pConvert = &xforms_int16;
break;
case css::xsd::DataTypeClass::STRING:
case css::xsd::DataTypeClass::anyURI:
case css::xsd::DataTypeClass::BOOLEAN:
// invalid: These shouldn't have min/max-inclusive
break;
/* data types not yet supported:
case css::xsd::DataTypeClass::DURATION:
case css::xsd::DataTypeClass::gYearMonth:
case css::xsd::DataTypeClass::gMonthDay:
case css::xsd::DataTypeClass::hexBinary:
case css::xsd::DataTypeClass::base64Binary:
case css::xsd::DataTypeClass::QName:
case css::xsd::DataTypeClass::NOTATION:
*/
}
}
break;
default:
OSL_FAIL( "unknown facet" );
}
// finally, set the property
CreateDataType();
if( mxDataType.is()
&& !sPropertyName.isEmpty()
&& pConvert != nullptr
&& mxDataType->getPropertySetInfo()->hasPropertyByName(sPropertyName) )
{
try
{
mxDataType->setPropertyValue( sPropertyName, pConvert( sValue ) );
}
catch( const Exception& )
{
; // can't set property? Then ignore.
}
}
return new SvXMLImportContext( GetImport(), nPrefix, rLocalName );
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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