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471 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* MSWorksCalcImportFilter: Sets up the filter, and calls DocumentCollector
* to do the actual filtering
*
* 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/.
*/
#include <com/sun/star/awt/XWindow.hpp>
#include <com/sun/star/container/XChild.hpp>
#include <com/sun/star/sdbc/XResultSet.hpp>
#include <com/sun/star/sdbc/XRow.hpp>
#include <com/sun/star/ucb/XContent.hpp>
#include <com/sun/star/ucb/XContentAccess.hpp>
#include <sal/log.hxx>
#include <comphelper/processfactory.hxx>
#include <cppuhelper/supportsservice.hxx>
#include <sfx2/passwd.hxx>
#include <tools/urlobj.hxx>
#include <ucbhelper/content.hxx>
#include <libwps/libwps.h>
#include <DocumentHandlerForOds.hxx>
#include <WPFTEncodingDialog.hxx>
#include <WPFTResMgr.hxx>
#include "MSWorksCalcImportFilter.hxx"
#include <strings.hrc>
#include <iostream>
#include <map>
using namespace ::com::sun::star;
namespace MSWorksCalcImportFilterInternal
{
/// returns the list of stream name present in a folder
static uno::Reference<sdbc::XResultSet>
getResultSet(const css::uno::Reference<css::ucb::XContent>& xPackageContent)
{
try
{
if (xPackageContent.is())
{
ucbhelper::Content packageContent(xPackageContent,
uno::Reference<ucb::XCommandEnvironment>(),
comphelper::getProcessComponentContext());
uno::Sequence<OUString> lPropNames{ "Title" };
uno::Reference<sdbc::XResultSet> xResultSet(
packageContent.createCursor(lPropNames, ucbhelper::INCLUDE_DOCUMENTS_ONLY));
return xResultSet;
}
return uno::Reference<sdbc::XResultSet>();
}
catch (...)
{
SAL_WARN("writerperfect",
"ignoring Exception in MSWorksCalcImportFilterInternal:getResultSet");
return uno::Reference<sdbc::XResultSet>();
}
}
namespace
{
/** internal class used to create a structured RVNGInputStream from a list of path and their short names
*/
class FolderStream : public librevenge::RVNGInputStream
{
public:
//! constructor
explicit FolderStream(const css::uno::Reference<css::ucb::XContent>& xContent)
: librevenge::RVNGInputStream()
, m_xContent(xContent)
, m_nameToPathMap()
{
}
//! add a file
void addFile(OUString const& path, std::string const& shortName)
{
m_nameToPathMap[shortName] = path;
}
/**! reads numbytes data.
* \return a pointer to the read elements
*/
const unsigned char* read(unsigned long, unsigned long&) override { return nullptr; }
//! returns actual offset position
long tell() override { return 0; }
/*! \brief seeks to an offset position, from actual, beginning or ending position
* \return 0 if ok
*/
int seek(long, librevenge::RVNG_SEEK_TYPE) override { return 1; }
//! returns true if we are at the end of the section/file
bool isEnd() override { return true; }
/** returns true if the stream is ole
\sa returns always false*/
bool isStructured() override { return true; }
/** returns the number of sub streams.
\sa returns always 2*/
unsigned subStreamCount() override { return unsigned(m_nameToPathMap.size()); }
/** returns the ith sub streams name */
const char* subStreamName(unsigned id) override
{
if (m_nameToPathMap.size() < id)
return nullptr;
std::map<std::string, OUString>::const_iterator it = m_nameToPathMap.begin();
std::advance(it, id);
return it->first.c_str();
}
/** returns true if a substream with name exists */
bool existsSubStream(const char* name) override
{
return name && m_nameToPathMap.find(name) != m_nameToPathMap.end();
}
/** return a new stream for an OLE zone */
librevenge::RVNGInputStream* getSubStreamByName(const char* name) override
{
if (m_nameToPathMap.find(name) == m_nameToPathMap.end() || !m_xContent.is())
return nullptr;
try
{
const uno::Reference<sdbc::XResultSet> xResultSet = getResultSet(m_xContent);
if (xResultSet.is() && xResultSet->first())
{
const uno::Reference<ucb::XContentAccess> xContentAccess(xResultSet,
uno::UNO_QUERY_THROW);
const uno::Reference<sdbc::XRow> xRow(xResultSet, uno::UNO_QUERY_THROW);
OUString lPath = m_nameToPathMap.find(name)->second;
do
{
const OUString aTitle(xRow->getString(1));
if (aTitle != lPath)
continue;
const uno::Reference<ucb::XContent> xSubContent(xContentAccess->queryContent());
ucbhelper::Content aSubContent(xSubContent,
uno::Reference<ucb::XCommandEnvironment>(),
comphelper::getProcessComponentContext());
uno::Reference<io::XInputStream> xInputStream = aSubContent.openStream();
if (xInputStream.is())
return new writerperfect::WPXSvInputStream(xInputStream);
break;
} while (xResultSet->next());
}
}
catch (...)
{
SAL_WARN("writerperfect", "ignoring Exception in "
"MSWorksCalcImportFilterInternal::FolderStream::"
"getSubStreamByName");
}
return nullptr;
}
/** return a new stream for an OLE zone */
librevenge::RVNGInputStream* getSubStreamById(unsigned id) override
{
char const* name = subStreamName(id);
return name ? getSubStreamByName(name) : nullptr;
}
private:
/// the main container
uno::Reference<ucb::XContent> m_xContent;
/// the map short name to path
std::map<std::string, OUString> m_nameToPathMap;
FolderStream(const FolderStream&) = delete;
FolderStream& operator=(const FolderStream&) = delete;
};
}
}
////////////////////////////////////////////////////////////
bool MSWorksCalcImportFilter::doImportDocument(weld::Window* pParent,
librevenge::RVNGInputStream& rInput,
OdsGenerator& rGenerator,
utl::MediaDescriptor& mediaDescriptor)
{
libwps::WPSKind kind = libwps::WPS_TEXT;
libwps::WPSCreator creator;
bool needEncoding;
const libwps::WPSConfidence confidence
= libwps::WPSDocument::isFileFormatSupported(&rInput, kind, creator, needEncoding);
if ((kind != libwps::WPS_SPREADSHEET && kind != libwps::WPS_DATABASE)
|| (confidence == libwps::WPS_CONFIDENCE_NONE))
return false;
std::string fileEncoding;
if (needEncoding)
{
OUString encoding;
// first check if we can find the encoding in the filter options (headless mode)
mediaDescriptor[utl::MediaDescriptor::PROP_FILTEROPTIONS()] >>= encoding;
if (!encoding.isEmpty()) // TODO: check if the encoding string is valid
fileEncoding = encoding.toUtf8().getStr();
else
{
OUString title;
switch (creator)
{
case libwps::WPS_MSWORKS:
title = WpResId(STR_ENCODING_DIALOG_TITLE_MSWORKS);
encoding = "CP850";
break;
case libwps::WPS_LOTUS:
title = WpResId(STR_ENCODING_DIALOG_TITLE_LOTUS);
encoding = "CP437";
break;
case libwps::WPS_SYMPHONY:
title = WpResId(STR_ENCODING_DIALOG_TITLE_SYMPHONY);
encoding = "CP437";
break;
case libwps::WPS_QUATTRO_PRO:
title = WpResId(STR_ENCODING_DIALOG_TITLE_QUATTROPRO);
encoding = "CP437";
break;
case libwps::WPS_RESERVED_2:
title = WpResId(STR_ENCODING_DIALOG_TITLE_MSMULTIPLAN);
encoding = "CP437";
break;
default:
SAL_INFO("writerperfect", "unexpected creator: " << creator);
title = WpResId(STR_ENCODING_DIALOG_TITLE);
encoding = "CP437";
break;
}
fileEncoding = encoding.toUtf8().getStr(); // set default to the proposed encoding
try
{
writerperfect::WPFTEncodingDialog aDlg(pParent, title, encoding);
if (aDlg.run() == RET_OK)
{
if (!aDlg.GetEncoding().isEmpty())
fileEncoding = aDlg.GetEncoding().toUtf8().getStr();
}
// we can fail because we are in headless mode, the user has cancelled conversion, ...
else if (aDlg.hasUserCalledCancel())
return false;
}
catch (...)
{
SAL_WARN("writerperfect",
"ignoring Exception in MSWorksCalcImportFilter::doImportDocument");
}
}
}
OString aUtf8Passwd;
if (confidence == libwps::WPS_CONFIDENCE_SUPPORTED_ENCRYPTION)
{
OUString sPassword;
// now check if we can find the password in the properties
// (just in case, "soffice --headless" adds an option to send password)
mediaDescriptor[utl::MediaDescriptor::PROP_PASSWORD()] >>= sPassword;
if (!sPassword.isEmpty())
aUtf8Passwd = OUStringToOString(sPassword, RTL_TEXTENCODING_UTF8);
else
{
// ok, ask the user for a password
try
{
SfxPasswordDialog aPasswdDlg(pParent);
aPasswdDlg.SetMinLen(1);
if (!aPasswdDlg.run())
return false;
OUString aPasswd = aPasswdDlg.GetPassword();
aUtf8Passwd = OUStringToOString(aPasswd, RTL_TEXTENCODING_UTF8);
}
catch (...)
{
return false;
}
}
}
return libwps::WPS_OK
== libwps::WPSDocument::parse(&rInput, &rGenerator,
confidence == libwps::WPS_CONFIDENCE_SUPPORTED_ENCRYPTION
? aUtf8Passwd.getStr()
: nullptr,
fileEncoding.c_str());
}
//XExtendedFilterDetection
sal_Bool
MSWorksCalcImportFilter::filter(const css::uno::Sequence<css::beans::PropertyValue>& rDescriptor)
{
OUString sUrl;
css::uno::Reference<css::io::XInputStream> xInputStream;
css::uno::Reference<ucb::XContent> xContent;
css::uno::Reference<css::awt::XWindow> xDialogParent;
for (const auto& rValue : rDescriptor)
{
if (rValue.Name == "InputStream")
rValue.Value >>= xInputStream;
else if (rValue.Name == "UCBContent")
rValue.Value >>= xContent;
else if (rValue.Name == "FileName" || rValue.Name == "URL")
rValue.Value >>= sUrl;
else if (rValue.Name == "ParentWindow")
rValue.Value >>= xDialogParent;
}
if (!getXContext().is() || !xInputStream.is())
{
OSL_ASSERT(false);
return false;
}
// An XML import service: what we push sax messages to...
css::uno::Reference<css::xml::sax::XDocumentHandler> xInternalHandler(
getXContext()->getServiceManager()->createInstanceWithContext(
writerperfect::DocumentHandlerFor<OdsGenerator>::name(), getXContext()),
css::uno::UNO_QUERY_THROW);
// The XImporter sets up an empty target document for XDocumentHandler to write to...
css::uno::Reference<css::document::XImporter> xImporter(xInternalHandler, css::uno::UNO_QUERY);
xImporter->setTargetDocument(getTargetDocument());
// OO Graphics Handler: abstract class to handle document SAX messages, concrete implementation here
// writes to in-memory target doc
writerperfect::DocumentHandler aHandler(xInternalHandler);
writerperfect::WPXSvInputStream input(xInputStream);
OdsGenerator exporter;
exporter.addDocumentHandler(&aHandler, ODF_FLAT_XML);
doRegisterHandlers(exporter);
utl::MediaDescriptor aDescriptor(rDescriptor);
try
{
// time to check if the file is a WK3 file and a FM3 file is
// present
bool checkForFM3 = false;
if (input.seek(0, librevenge::RVNG_SEEK_SET) == 0 && xContent.is()
&& INetURLObject(sUrl).getExtension().equalsIgnoreAsciiCase("WK3"))
{
// check if the file header corresponds to a .wk3 file
unsigned long numBytesRead;
const unsigned char* data = input.read(6, numBytesRead);
if (data && numBytesRead == 6 && data[0] == 0 && data[1] == 0 && data[2] == 0x1a
&& data[3] == 0 && data[4] < 2 && data[5] == 0x10)
checkForFM3 = true;
}
if (checkForFM3)
{
// check if the format file exists
const css::uno::Reference<container::XChild> xChild(xContent, uno::UNO_QUERY);
if (xChild.is())
{
OUString sWM3Name;
OUString sFM3Name;
const css::uno::Reference<ucb::XContent> xPackageContent(xChild->getParent(),
uno::UNO_QUERY);
uno::Reference<sdbc::XResultSet> xResultSet
= MSWorksCalcImportFilterInternal::getResultSet(xPackageContent);
if (xResultSet.is() && xResultSet->first())
{
const uno::Reference<ucb::XContentAccess> xContentAccess(xResultSet,
uno::UNO_QUERY_THROW);
const uno::Reference<sdbc::XRow> xRow(xResultSet, uno::UNO_QUERY_THROW);
INetURLObject aTmpUrl(sUrl);
sWM3Name = aTmpUrl.getName(INetURLObject::LAST_SEGMENT, true,
INetURLObject::DecodeMechanism::WithCharset);
aTmpUrl.setExtension("FM3");
const OUString& sTestFM3Name
= aTmpUrl.getName(INetURLObject::LAST_SEGMENT, true,
INetURLObject::DecodeMechanism::WithCharset);
do
{
const OUString& aTitle(xRow->getString(1));
if (aTitle.equalsIgnoreAsciiCase(sTestFM3Name))
sFM3Name = aTitle;
} while (xResultSet->next() && sFM3Name.isEmpty());
}
if (!sFM3Name.isEmpty())
{
MSWorksCalcImportFilterInternal::FolderStream structuredInput(xPackageContent);
structuredInput.addFile(sWM3Name, "WK3");
structuredInput.addFile(sFM3Name, "FM3");
libwps::WPSKind kind = libwps::WPS_TEXT;
libwps::WPSCreator creator;
bool needEncoding;
const libwps::WPSConfidence confidence
= libwps::WPSDocument::isFileFormatSupported(&structuredInput, kind,
creator, needEncoding);
if (confidence != libwps::WPS_CONFIDENCE_NONE)
return doImportDocument(Application::GetFrameWeld(xDialogParent),
structuredInput, exporter, aDescriptor);
}
}
}
}
catch (...)
{
}
return doImportDocument(Application::GetFrameWeld(xDialogParent), input, exporter, aDescriptor);
}
bool MSWorksCalcImportFilter::doDetectFormat(librevenge::RVNGInputStream& rInput,
OUString& rTypeName)
{
libwps::WPSKind kind = libwps::WPS_TEXT;
libwps::WPSCreator creator;
bool needEncoding;
const libwps::WPSConfidence confidence
= libwps::WPSDocument::isFileFormatSupported(&rInput, kind, creator, needEncoding);
if ((kind == libwps::WPS_SPREADSHEET || kind == libwps::WPS_DATABASE)
&& confidence != libwps::WPS_CONFIDENCE_NONE)
{
switch (creator)
{
case libwps::WPS_MSWORKS:
rTypeName = "calc_MS_Works_Document";
break;
case libwps::WPS_LOTUS:
case libwps::WPS_SYMPHONY:
rTypeName = "calc_WPS_Lotus_Document";
break;
case libwps::WPS_QUATTRO_PRO:
rTypeName = "calc_WPS_QPro_Document";
break;
case libwps::WPS_RESERVED_2:
rTypeName = "calc_MS_Multiplan";
break;
default:
break;
}
}
return !rTypeName.isEmpty();
}
void MSWorksCalcImportFilter::doRegisterHandlers(OdsGenerator&) {}
// XServiceInfo
OUString SAL_CALL MSWorksCalcImportFilter::getImplementationName()
{
return "com.sun.star.comp.Calc.MSWorksCalcImportFilter";
}
sal_Bool SAL_CALL MSWorksCalcImportFilter::supportsService(const OUString& rServiceName)
{
return cppu::supportsService(this, rServiceName);
}
css::uno::Sequence<OUString> SAL_CALL MSWorksCalcImportFilter::getSupportedServiceNames()
{
return { "com.sun.star.document.ImportFilter", "com.sun.star.document.ExtendedTypeDetection" };
}
extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
com_sun_star_comp_Calc_MSWorksCalcImportFilter_get_implementation(<--- The function 'com_sun_star_comp_Calc_MSWorksCalcImportFilter_get_implementation' is never used.
css::uno::XComponentContext* const context, const css::uno::Sequence<css::uno::Any>&)
{
return cppu::acquire(new MSWorksCalcImportFilter(context));
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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