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|
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: binarywritehandler.cxx,v $
* $Revision: 1.12 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_configmgr.hxx"
#include "binarywritehandler.hxx"
#include "binarycache.hxx"
#include <com/sun/star/util/XTimeStamped.hpp>
#include "typeconverter.hxx"
#include "simpletypehelper.hxx"
#define ASCII(x) rtl::OUString::createFromAscii(x)
namespace configmgr
{
// -----------------------------------------------------------------------------
namespace backend
{
namespace css = com::sun::star;
namespace util = css::util ;
// -----------------------------------------------------------------------------
BinaryWriteHandler::BinaryWriteHandler( rtl::OUString const & _aFileURL,
rtl::OUString const & _aComponentName,
uno::Reference<lang::XMultiServiceFactory> const & _aFactory)
: m_BinaryWriter(_aFileURL,_aFactory)
, m_aComponentName(_aComponentName)
{
}
// -----------------------------------------------------------------------------
static
binary::ValueFlags::Type convertTypeToValueType(uno::Type const& _aType)
{
binary::ValueFlags::Type eType = binary::ValueFlags::val_invalid;
uno::TypeClass const aClass = _aType.getTypeClass();
switch(aClass)
{
case uno::TypeClass_ANY:
eType = binary::ValueFlags::val_any;
break;
case uno::TypeClass_BOOLEAN:
eType = binary::ValueFlags::val_boolean;
break;
case uno::TypeClass_SHORT:
eType = binary::ValueFlags::val_int16;
break;
case uno::TypeClass_LONG:
eType = binary::ValueFlags::val_int32;
break;
case uno::TypeClass_HYPER:
eType = binary::ValueFlags::val_int64;
break;
case uno::TypeClass_DOUBLE:
eType = binary::ValueFlags::val_double;
break;
case uno::TypeClass_STRING:
eType = binary::ValueFlags::val_string;
break;
case uno::TypeClass_SEQUENCE:
if (_aType == SimpleTypeHelper::getBinaryType())
{
eType = binary::ValueFlags::val_binary;
}
else
{
uno::Type aType = configmgr::getSequenceElementType(_aType);
eType = convertTypeToValueType(aType);
OSL_ENSURE(!(eType & binary::ValueFlags::seq), "Binary Writer - Invalid value type: Multiple nesting of sequences");
eType = binary::ValueFlags::Type( eType | binary::ValueFlags::seq );
}
break;
default:
OSL_ENSURE(false, "Binary Writer - Invalid value type: not supported");
break;
}
return eType;
}
// -----------------------------------------------------------------------------
template <class T>
inline /* make performance crew happy ;-) */
void writeDirectly(BinaryWriter& _rWriter, T const& _aVal)
SAL_THROW( (io::IOException, uno::RuntimeException) )
{
_rWriter.write(_aVal);
}
// -----------------------------------------------------------------------------
static
inline
void writeDirectly(BinaryWriter& _rWriter, uno::Sequence<sal_Int8> const& _aBinary);
// -----------------------------------------------------------------------------
template <class T>
inline /* make performance crew happy ;-) */
void writeFromAny(BinaryWriter& _rWriter,uno::Any const& _aValue, T& _aVar)
SAL_THROW( (io::IOException, uno::RuntimeException) )
{
OSL_VERIFY(_aValue >>= _aVar ); // "Invalid Any for value"
writeDirectly(_rWriter,_aVar);
}
// -----------------------------------------------------------------------------
template <class Element>
void writeSequence(BinaryWriter& _rWriter, uno::Sequence< Element > const& aSequence)
SAL_THROW( (io::IOException, uno::RuntimeException) )
{
sal_Int32 const nLength = aSequence.getLength();
_rWriter.write(nLength);
for(sal_Int32 i=0; i<nLength; ++i)
{
writeDirectly(_rWriter, aSequence[i]);
}
}
// -----------------------------------------------------------------------------
static
inline
void writeDirectly(BinaryWriter& _rWriter, uno::Sequence<sal_Int8> const& _aBinary)
{
writeSequence(_rWriter,_aBinary);
}
// -----------------------------------------------------------------------------
#define CASE_WRITE_SEQUENCE(TYPE_CLASS, DATA_TYPE) \
case TYPE_CLASS: \
{ \
uno::Sequence< DATA_TYPE > aData; \
OSL_ASSERT( ::getCppuType(aData.getConstArray()).getTypeClass() == (TYPE_CLASS) ); \
OSL_VERIFY( _aValue >>= aData ); \
writeSequence(_rWriter,aData); \
} break
// -----------------------------------------------------------------------------
static
void writeSequenceValue(BinaryWriter& _rWriter, uno::Any const& _aValue, uno::Type const& aElementType)
SAL_THROW( (io::IOException, uno::RuntimeException) )
{
switch(aElementType.getTypeClass())
{
CASE_WRITE_SEQUENCE( uno::TypeClass_BOOLEAN, sal_Bool );
CASE_WRITE_SEQUENCE( uno::TypeClass_SHORT, sal_Int16 );
CASE_WRITE_SEQUENCE( uno::TypeClass_LONG, sal_Int32 );
CASE_WRITE_SEQUENCE( uno::TypeClass_HYPER, sal_Int64 );
CASE_WRITE_SEQUENCE( uno::TypeClass_DOUBLE, double );
CASE_WRITE_SEQUENCE( uno::TypeClass_STRING, rtl::OUString );
CASE_WRITE_SEQUENCE( uno::TypeClass_SEQUENCE, uno::Sequence<sal_Int8> );
default:
OSL_ENSURE(false, "Unexpected typeclass for sequence elements");
break;
}
}
#undef CASE_WRITE_SEQUENCE
// -----------------------------------------------------------------------------
static
void writeSimpleValue(BinaryWriter& _rWriter, uno::Any const& _aValue, uno::Type const& _aType)
SAL_THROW( (io::IOException, uno::RuntimeException) )
{
// PRE: Header must be written
uno::TypeClass aDestinationClass = _aType.getTypeClass();
switch (aDestinationClass)
{
case uno::TypeClass_BOOLEAN:
{
sal_Bool bValue = sal_False;
writeFromAny(_rWriter, _aValue, bValue);
break;
}
case uno::TypeClass_BYTE:
{
sal_Int8 nValue = 0;
writeFromAny(_rWriter, _aValue, nValue);
break;
}
case uno::TypeClass_SHORT:
{
sal_Int16 nValue = 0;
writeFromAny(_rWriter, _aValue, nValue);
break;
}
case uno::TypeClass_LONG:
{
sal_Int32 nValue = 0;
writeFromAny(_rWriter, _aValue, nValue);
break;
}
case uno::TypeClass_HYPER:
{
sal_Int64 nValue = 0;
writeFromAny(_rWriter, _aValue, nValue);
break;
}
case uno::TypeClass_DOUBLE:
{
double nValue = 0;
writeFromAny(_rWriter, _aValue, nValue);
break;
}
case uno::TypeClass_STRING:
{
rtl::OUString aStr;
writeFromAny(_rWriter, _aValue, aStr);
break;
}
case uno::TypeClass_SEQUENCE:
{
OSL_ENSURE (_aType == SimpleTypeHelper::getBinaryType(),"Unexpected sequence as simple type");
uno::Sequence<sal_Int8> aBinary;
writeFromAny(_rWriter, _aValue, aBinary);
break;
}
default:
OSL_ENSURE(false, "Unexpected typeclass for simple value");
break;
}
}
// -----------------------------------------------------------------------------
void BinaryWriteHandler::writeValue(uno::Any const& _aValue)
{
bool bSeq;
uno::Type aTargetType = getBasicType(_aValue.getValueType(), bSeq);
if (!bSeq)
{
writeSimpleValue(m_BinaryWriter,_aValue, aTargetType);
}
else
{
writeSequenceValue(m_BinaryWriter,_aValue, aTargetType);
}
}
// -----------------------------------------------------------------------------
void BinaryWriteHandler::writeFileHeader( rtl::OUString const & _aSchemaVersion,
const uno::Sequence<rtl::OUString> & aKnownLocales,
const uno::Sequence<rtl::OUString> & aDataLocales )
SAL_THROW( (io::IOException, uno::RuntimeException) )
{
m_BinaryWriter.write(binary::CFG_BINARY_MAGIC);
m_BinaryWriter.write(binary::CFG_BINARY_VERSION);
m_BinaryWriter.write(_aSchemaVersion);
writeSequence(m_BinaryWriter,aKnownLocales);
writeSequence(m_BinaryWriter,aDataLocales);
m_BinaryWriter.write(m_aComponentName);
}
// -----------------------------------------------------------------------------
void BinaryWriteHandler::writeGroupNode(rtl::OUString const& _aName,node::Attributes const& _aAttributes )
SAL_THROW( (io::IOException, uno::RuntimeException) )
{
writeAttributes(_aAttributes );
m_BinaryWriter.write(_aName);
}
// -----------------------------------------------------------------------------
void BinaryWriteHandler::writeSetNode(rtl::OUString const& _aName,
rtl::OUString const& _aTemplateName,
rtl::OUString const& _aTemplateModule,
node::Attributes const& _aAttributes)
SAL_THROW( (io::IOException, uno::RuntimeException) )
{
writeAttributes(_aAttributes );
m_BinaryWriter.write(_aName);
m_BinaryWriter.write(_aTemplateName);
m_BinaryWriter.write(_aTemplateModule);
}
// -----------------------------------------------------------------------------
void BinaryWriteHandler::writeLayerInfoList(uno::Reference<backenduno::XLayer> const * pLayers, sal_Int32 nNumLayers)
SAL_THROW( (io::IOException, uno::RuntimeException) )
{
m_BinaryWriter.write(nNumLayers);
for (sal_Int32 i = 0 ; i < nNumLayers ; ++ i)
{
uno::Reference<util::XTimeStamped> xTimeStamp = uno::Reference<util::XTimeStamped>(pLayers[i], uno::UNO_QUERY);
rtl::OUString aTimeStamp = xTimeStamp.is() ? xTimeStamp->getTimestamp() : rtl::OUString();
m_BinaryWriter.write(aTimeStamp);
}
}
// -----------------------------------------------------------------------------
void BinaryWriteHandler::writeNodeType(binary::NodeType::Type _eType)
SAL_THROW( (io::IOException, uno::RuntimeException) )
{
sal_Int8 nValue = static_cast< sal_Int8 >( _eType );
m_BinaryWriter.write(nValue);
}
// -----------------------------------------------------------------------------
void BinaryWriteHandler::writeAttributes(node::Attributes const& _aAttributes)
SAL_THROW( (io::IOException, uno::RuntimeException) )
{
sal_Int8 nValue = static_cast< sal_Int8 >( _aAttributes.state() );
OSL_ASSERT(0 <= nValue && nValue <= 3);
OSL_ENSURE(!_aAttributes.isReadonly() || !_aAttributes.isFinalized(),"Unexpected attribute mix: node is both read-only and finalized");
nValue |= (_aAttributes.isReadonly() ? 1 : 0) << 2;
nValue |= (_aAttributes.isFinalized() ? 1 : 0) << 3;
nValue |= (_aAttributes.isNullable() ? 1 : 0) << 4;
nValue |= (_aAttributes.isLocalized() ? 1 : 0) << 5;
nValue |= (_aAttributes.isMandatory() ? 1 : 0) << 6;
nValue |= (_aAttributes.isRemovable() ? 1 : 0) << 7;
m_BinaryWriter.write(nValue);
}
// -----------------------------------------------------------------------------
void BinaryWriteHandler::writeValueNode(rtl::OUString const& _aName,
node::Attributes const& _aAttributes,
uno::Type const& _aType,
uno::Any const& _aUserValue,
uno::Any const& _aDefaultValue)
SAL_THROW( (io::IOException, uno::RuntimeException) )
{
//write value flags
binary::ValueFlags::Type eType = convertTypeToValueType(_aType);
sal_Int8 nValueType = sal_Int8(eType);
bool hasUserValue = _aUserValue.hasValue();
bool hasDefault = _aDefaultValue.hasValue();
if (!hasUserValue) nValueType |= binary::ValueFlags::first_value_NULL;
if (!hasDefault) nValueType |= binary::ValueFlags::second_value_NULL;
m_BinaryWriter.write(nValueType);
writeAttributes(_aAttributes );
m_BinaryWriter.write(_aName);
if(hasUserValue)
{
OSL_ENSURE(_aUserValue.getValueType() == _aType, "Type mismatch in value node");
writeValue(_aUserValue);
}
if(hasDefault)
{
OSL_ENSURE(_aDefaultValue.getValueType() == _aType, "Type mismatch in value node");
writeValue(_aDefaultValue);
}
}
// -----------------------------------------------------------------------------
void BinaryWriteHandler::writeStop()
SAL_THROW( (io::IOException, uno::RuntimeException) )
{
sal_Int8 nStopValue = 0;
m_BinaryWriter.write(nStopValue);
}
// -----------------------------------------------------------------------------
void BinaryWriteHandler::writeComponentTree(const ISubtree * _pComponentTree)
SAL_THROW( (io::IOException, uno::RuntimeException) )
{
this->writeNodeType(binary::NodeType::component);
if (_pComponentTree)
{
this->writeTree(*_pComponentTree);
this->writeStop();
}
else
{
this->writeNodeType(binary::NodeType::nodata);
}
}
// -----------------------------------------------------------------------------
void BinaryWriteHandler::writeTemplatesTree(const ISubtree * _pTemplatesTree)
SAL_THROW( (io::IOException, uno::RuntimeException) )
{
this->writeNodeType(binary::NodeType::templates);
if (_pTemplatesTree)
{
this->writeTree(*_pTemplatesTree);
this->writeStop();
}
else
{
this->writeNodeType(binary::NodeType::nodata);
}
}
// -----------------------------------------------------------------------------
void BinaryWriteHandler::writeTree(const ISubtree & rTree)
SAL_THROW( (io::IOException, uno::RuntimeException) )
{
if ( rTree.isSetNode() )
{
this->writeNodeType(binary::NodeType::setnode);
this->writeSetNode( rTree.getName(),
rTree.getElementTemplateName(),
rTree.getElementTemplateModule(),
rTree.getAttributes());
}
else
{
this->writeNodeType(binary::NodeType::groupnode);
this->writeGroupNode( rTree.getName(), rTree.getAttributes() );
}
// process children
this->applyToChildren(rTree);
this->writeStop();
}
// -----------------------------------------------------------------------------
void BinaryWriteHandler::handle(const ISubtree & rTree)
{
writeTree(rTree);
}
// -----------------------------------------------------------------------------
void BinaryWriteHandler::handle(const ValueNode & rValue)
{
this->writeNodeType(binary::NodeType::valuenode);
this->writeValueNode( rValue.getName(),
rValue.getAttributes(),
rValue.getValueType(),
rValue.getUserValue(),
rValue.getDefault() );
}
// -----------------------------------------------------------------------------
bool BinaryWriteHandler::generateHeader(const uno::Reference<backenduno::XLayer> * pLayers,
sal_Int32 nNumLayers,
const rtl::OUString& aEntity,
const std::vector< com::sun::star::lang::Locale > & aKnownLocales )
SAL_THROW( (io::IOException, uno::RuntimeException) )
{
//Open the writer
if (!m_BinaryWriter.open())
return false;
this->writeFileHeader( aEntity,
localehelper::makeIsoSequence(aKnownLocales),
getAvailableLocales(pLayers,nNumLayers) );
this->writeLayerInfoList(pLayers, nNumLayers);
return true;
}
// -----------------------------------------------------------------------------
}
// -----------------------------------------------------------------------------
}
|
