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Diffstat (limited to 'writerperfect/source/writer/exp/xmlimp.cxx')
| -rw-r--r-- | writerperfect/source/writer/exp/xmlimp.cxx | 621 |
1 files changed, 621 insertions, 0 deletions
diff --git a/writerperfect/source/writer/exp/xmlimp.cxx b/writerperfect/source/writer/exp/xmlimp.cxx new file mode 100644 index 000000000..ae7b33518 --- /dev/null +++ b/writerperfect/source/writer/exp/xmlimp.cxx @@ -0,0 +1,621 @@ +/* -*- 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/. + */ + +#include <sal/config.h> + +#include "xmlimp.hxx" + +#include <string_view> + +#include <initializer_list> +#include <unordered_map> + +#include <com/sun/star/svg/XSVGWriter.hpp> +#include <com/sun/star/uri/UriReferenceFactory.hpp> +#include <com/sun/star/xml/sax/InputSource.hpp> +#include <com/sun/star/xml/sax/Parser.hpp> +#include <com/sun/star/xml/sax/Writer.hpp> +#include <comphelper/propertyvalue.hxx> +#include <rtl/uri.hxx> +#include <tools/gen.hxx> +#include <tools/stream.hxx> +#include <tools/urlobj.hxx> +#include <unotools/streamwrap.hxx> +#include <tools/diagnose_ex.h> + +#include "xmlfmt.hxx" +#include "xmlictxt.hxx" +#include "xmlmetai.hxx" +#include "xmltext.hxx" + +using namespace com::sun::star; + +namespace writerperfect::exp +{ +namespace +{ +/// Looks up mime type for a given image extension. +OUString GetMimeType(const OUString& rExtension) +{ + static const std::unordered_map<OUString, OUString> vMimeTypes = { + { "gif", "image/gif" }, + { "jpg", "image/jpeg" }, + { "png", "image/png" }, + { "svg", "image/svg+xml" }, + }; + + auto it = vMimeTypes.find(rExtension); + return it == vMimeTypes.end() ? OUString() : it->second; +} + +/// Determines the base directory for cover images, XMP metadata, popup images. +OUString FindMediaDir(const OUString& rDocumentBaseURL, + const uno::Sequence<beans::PropertyValue>& rFilterData) +{ + OUString aMediaDir; + + // See if filter data contains a media directory explicitly. + auto pProp = std::find_if( + rFilterData.begin(), rFilterData.end(), + [](const beans::PropertyValue& rProp) { return rProp.Name == "RVNGMediaDir"; }); + if (pProp != rFilterData.end()) + pProp->Value >>= aMediaDir; + + if (!aMediaDir.isEmpty()) + return aMediaDir + "/"; + + // Not set explicitly, try to pick it up from the base directory. + INetURLObject aURL(rDocumentBaseURL); + try + { + aMediaDir = rtl::Uri::convertRelToAbs(rDocumentBaseURL, aURL.GetBase()) + "/"; + } + catch (const rtl::MalformedUriException&) + { + DBG_UNHANDLED_EXCEPTION("writerperfect"); + } + return aMediaDir; +} + +/// Picks up a cover image from the base directory. +OUString FindCoverImage(const OUString& rDocumentBaseURL, OUString& rMimeType, + const uno::Sequence<beans::PropertyValue>& rFilterData) +{ + OUString aRet; + + // See if filter data contains a cover image explicitly. + auto pProp = std::find_if( + rFilterData.begin(), rFilterData.end(), + [](const beans::PropertyValue& rProp) { return rProp.Name == "RVNGCoverImage"; }); + if (pProp != rFilterData.end()) + pProp->Value >>= aRet; + + if (!aRet.isEmpty()) + { + INetURLObject aRetURL(aRet); + rMimeType = GetMimeType(aRetURL.GetFileExtension()); + return aRet; + } + + // Not set explicitly, try to pick it up from the base directory. + if (rDocumentBaseURL.isEmpty()) + return aRet; + + static const std::initializer_list<std::u16string_view> vExtensions + = { u"gif", u"jpg", u"png", u"svg" }; + + OUString aMediaDir = FindMediaDir(rDocumentBaseURL, rFilterData); + for (const auto& rExtension : vExtensions) + { + aRet = aMediaDir + "cover." + rExtension; + if (!aRet.isEmpty()) + { + SvFileStream aStream(aRet, StreamMode::READ); + if (aStream.IsOpen()) + { + rMimeType = GetMimeType(OUString(rExtension)); + // File exists. + return aRet; + } + + aRet.clear(); + } + } + + return aRet; +} + +/// Picks up XMP metadata from the base directory. +void FindXMPMetadata(const uno::Reference<uno::XComponentContext>& xContext, + const OUString& rDocumentBaseURL, + const uno::Sequence<beans::PropertyValue>& rFilterData, + librevenge::RVNGPropertyList& rMetaData) +{ + // See if filter data contains metadata explicitly. + OUString aValue; + for (const auto& rProp : rFilterData) + { + if (rProp.Name == "RVNGIdentifier") + { + rProp.Value >>= aValue; + if (!aValue.isEmpty()) + rMetaData.insert("dc:identifier", aValue.toUtf8().getStr()); + } + else if (rProp.Name == "RVNGTitle") + { + rProp.Value >>= aValue; + if (!aValue.isEmpty()) + rMetaData.insert("dc:title", aValue.toUtf8().getStr()); + } + else if (rProp.Name == "RVNGInitialCreator") + { + rProp.Value >>= aValue; + if (!aValue.isEmpty()) + rMetaData.insert("meta:initial-creator", aValue.toUtf8().getStr()); + } + else if (rProp.Name == "RVNGLanguage") + { + rProp.Value >>= aValue; + if (!aValue.isEmpty()) + rMetaData.insert("dc:language", aValue.toUtf8().getStr()); + } + else if (rProp.Name == "RVNGDate") + { + rProp.Value >>= aValue; + if (!aValue.isEmpty()) + rMetaData.insert("dc:date", aValue.toUtf8().getStr()); + } + } + + // If not set explicitly, try to pick it up from the base directory. + if (rDocumentBaseURL.isEmpty()) + return; + + OUString aMediaDir = FindMediaDir(rDocumentBaseURL, rFilterData); + OUString aURL = aMediaDir + "metadata.xmp"; + SvFileStream aStream(aURL, StreamMode::READ); + if (!aStream.IsOpen()) + return; + + xml::sax::InputSource aInputSource; + uno::Reference<io::XInputStream> xStream(new utl::OStreamWrapper(aStream)); + aInputSource.aInputStream = xStream; + uno::Reference<xml::sax::XParser> xParser = xml::sax::Parser::create(xContext); + rtl::Reference<XMPParser> xXMP(new XMPParser(rMetaData)); + xParser->setDocumentHandler(xXMP); + try + { + xParser->parseStream(aInputSource); + } + catch (const uno::Exception&) + { + DBG_UNHANDLED_EXCEPTION("writerperfect", "parseStream() failed"); + return; + } +} + +/// Handler for <office:body>. +class XMLBodyContext : public XMLImportContext +{ +public: + XMLBodyContext(XMLImport& rImport); + + rtl::Reference<XMLImportContext> + CreateChildContext(const OUString& rName, + const uno::Reference<xml::sax::XAttributeList>& /*xAttribs*/) override; +}; +} + +XMLBodyContext::XMLBodyContext(XMLImport& rImport) + : XMLImportContext(rImport) +{ +} + +rtl::Reference<XMLImportContext> +XMLBodyContext::CreateChildContext(const OUString& rName, + const uno::Reference<xml::sax::XAttributeList>& /*xAttribs*/) +{ + if (rName == "office:text") + return new XMLBodyContentContext(GetImport()); + return nullptr; +} + +namespace +{ +/// Handler for <office:document>. +class XMLOfficeDocContext : public XMLImportContext +{ +public: + XMLOfficeDocContext(XMLImport& rImport); + + rtl::Reference<XMLImportContext> + CreateChildContext(const OUString& rName, + const uno::Reference<xml::sax::XAttributeList>& /*xAttribs*/) override; + + // Handles metafile for a single page. + void HandleFixedLayoutPage(const FixedLayoutPage& rPage, bool bFirst); +}; +} + +XMLOfficeDocContext::XMLOfficeDocContext(XMLImport& rImport) + : XMLImportContext(rImport) +{ +} + +rtl::Reference<XMLImportContext> XMLOfficeDocContext::CreateChildContext( + const OUString& rName, const uno::Reference<xml::sax::XAttributeList>& /*xAttribs*/) +{ + if (rName == "office:meta") + return new XMLMetaDocumentContext(GetImport()); + if (rName == "office:automatic-styles") + return new XMLStylesContext(GetImport(), XMLStylesContext::StyleType_AUTOMATIC); + if (rName == "office:styles") + return new XMLStylesContext(GetImport(), XMLStylesContext::StyleType_NONE); + if (rName == "office:master-styles") + return new XMLStylesContext(GetImport(), XMLStylesContext::StyleType_NONE); + if (rName == "office:font-face-decls") + return new XMLFontFaceDeclsContext(GetImport()); + if (rName == "office:body") + { + if (GetImport().GetPageMetafiles().empty()) + return new XMLBodyContext(GetImport()); + + // Ignore text from doc model in the fixed layout case, instead + // insert the page metafiles. + bool bFirst = true; + for (const auto& rPage : GetImport().GetPageMetafiles()) + { + HandleFixedLayoutPage(rPage, bFirst); + if (bFirst) + bFirst = false; + } + } + return nullptr; +} + +void XMLOfficeDocContext::HandleFixedLayoutPage(const FixedLayoutPage& rPage, bool bFirst) +{ + uno::Reference<uno::XComponentContext> xCtx = GetImport().GetComponentContext(); + uno::Reference<xml::sax::XWriter> xSaxWriter = xml::sax::Writer::create(xCtx); + if (!xSaxWriter.is()) + return; + + // [-loplugin:redundantfcast] false positive: + uno::Sequence<uno::Any> aArguments = { uno::Any(uno::Sequence<beans::PropertyValue>( + { comphelper::makePropertyValue("DTDString", false) })) }; + uno::Reference<svg::XSVGWriter> xSVGWriter( + xCtx->getServiceManager()->createInstanceWithArgumentsAndContext( + "com.sun.star.svg.SVGWriter", aArguments, xCtx), + uno::UNO_QUERY); + if (!xSVGWriter.is()) + return; + + SvMemoryStream aMemoryStream; + xSaxWriter->setOutputStream(new utl::OStreamWrapper(aMemoryStream)); + + xSVGWriter->write(xSaxWriter, rPage.aMetafile); + + // Have all the info, invoke the generator. + librevenge::RVNGPropertyList aPageProperties; + // Pixel -> inch. + double fWidth = rPage.aCssPixels.getWidth(); + fWidth /= 96; + aPageProperties.insert("fo:page-width", fWidth); + double fHeight = rPage.aCssPixels.getHeight(); + fHeight /= 96; + aPageProperties.insert("fo:page-height", fHeight); + + if (!rPage.aChapterNames.empty()) + { + // Name of chapters starting on this page. + librevenge::RVNGPropertyListVector aChapterNames; + for (const auto& rName : rPage.aChapterNames) + { + librevenge::RVNGPropertyList aChapter; + aChapter.insert("librevenge:name", rName.toUtf8().getStr()); + aChapterNames.append(aChapter); + } + aPageProperties.insert("librevenge:chapter-names", aChapterNames); + } + + GetImport().GetGenerator().openPageSpan(aPageProperties); + librevenge::RVNGPropertyList aParagraphProperties; + if (!bFirst) + // All pages except the first one needs a page break before the page + // metafile. + aParagraphProperties.insert("fo:break-before", "page"); + GetImport().GetGenerator().openParagraph(aParagraphProperties); + librevenge::RVNGPropertyList aImageProperties; + aImageProperties.insert("librevenge:mime-type", "image/svg+xml"); + librevenge::RVNGBinaryData aBinaryData; + aBinaryData.append(static_cast<const unsigned char*>(aMemoryStream.GetData()), + aMemoryStream.GetSize()); + aImageProperties.insert("office:binary-data", aBinaryData); + GetImport().GetGenerator().insertBinaryObject(aImageProperties); + GetImport().GetGenerator().closeParagraph(); + GetImport().GetGenerator().closePageSpan(); +} + +XMLImport::XMLImport(const uno::Reference<uno::XComponentContext>& xContext, + librevenge::RVNGTextInterface& rGenerator, const OUString& rURL, + const uno::Sequence<beans::PropertyValue>& rDescriptor, + const std::vector<FixedLayoutPage>& rPageMetafiles) + : mrGenerator(rGenerator) + , mxContext(xContext) + , mbIsInPageSpan(false) + , mrPageMetafiles(rPageMetafiles) +{ + uno::Sequence<beans::PropertyValue> aFilterData; + auto pDescriptor = std::find_if( + rDescriptor.begin(), rDescriptor.end(), + [](const beans::PropertyValue& rProp) { return rProp.Name == "FilterData"; }); + if (pDescriptor != rDescriptor.end()) + pDescriptor->Value >>= aFilterData; + + maMediaDir = FindMediaDir(rURL, aFilterData); + + OUString aMimeType; + OUString aCoverImage = FindCoverImage(rURL, aMimeType, aFilterData); + if (!aCoverImage.isEmpty()) + { + librevenge::RVNGBinaryData aBinaryData; + SvFileStream aStream(aCoverImage, StreamMode::READ); + SvMemoryStream aMemoryStream; + aMemoryStream.WriteStream(aStream); + aBinaryData.append(static_cast<const unsigned char*>(aMemoryStream.GetData()), + aMemoryStream.GetSize()); + librevenge::RVNGPropertyList aCoverImageProperties; + aCoverImageProperties.insert("office:binary-data", aBinaryData); + aCoverImageProperties.insert("librevenge:mime-type", aMimeType.toUtf8().getStr()); + maCoverImages.append(aCoverImageProperties); + } + + FindXMPMetadata(mxContext, rURL, aFilterData, maMetaData); + + mxUriReferenceFactory = uri::UriReferenceFactory::create(mxContext); +} + +const librevenge::RVNGPropertyListVector& XMLImport::GetCoverImages() const +{ + return maCoverImages; +} + +const librevenge::RVNGPropertyList& XMLImport::GetMetaData() const { return maMetaData; } + +namespace +{ +/// Finds out if a file URL exists. +bool FileURLExists(const OUString& rURL) +{ + SvFileStream aStream(rURL, StreamMode::READ); + return aStream.IsOpen(); +} +} + +PopupState XMLImport::FillPopupData(const OUString& rURL, librevenge::RVNGPropertyList& rPropList) +{ + uno::Reference<uri::XUriReference> xUriRef; + try + { + xUriRef = mxUriReferenceFactory->parse(rURL); + } + catch (const uno::Exception&) + { + DBG_UNHANDLED_EXCEPTION("writerperfect", "XUriReference::parse() failed"); + } + bool bAbsolute = true; + if (xUriRef.is()) + bAbsolute = xUriRef->isAbsolute(); + if (bAbsolute) + return PopupState::NotConsumed; + + // Default case: relative URL, popup data was in the same directory as the + // document at insertion time. + OUString aAbs = maMediaDir + rURL; + if (!FileURLExists(aAbs)) + // Fallback case: relative URL, popup data was in the default media + // directory at insertion time. + aAbs = maMediaDir + "../" + rURL; + + if (!FileURLExists(aAbs)) + // Relative link, but points to non-existing file: don't emit that to + // librevenge, since it will be invalid anyway. + return PopupState::Ignore; + + SvFileStream aStream(aAbs, StreamMode::READ); + librevenge::RVNGBinaryData aBinaryData; + SvMemoryStream aMemoryStream; + aMemoryStream.WriteStream(aStream); + aBinaryData.append(static_cast<const unsigned char*>(aMemoryStream.GetData()), + aMemoryStream.GetSize()); + rPropList.insert("office:binary-data", aBinaryData); + + INetURLObject aAbsURL(aAbs); + OUString aMimeType = GetMimeType(aAbsURL.GetFileExtension()); + rPropList.insert("librevenge:mime-type", aMimeType.toUtf8().getStr()); + + return PopupState::Consumed; +} + +const std::vector<FixedLayoutPage>& XMLImport::GetPageMetafiles() const { return mrPageMetafiles; } + +const uno::Reference<uno::XComponentContext>& XMLImport::GetComponentContext() const +{ + return mxContext; +} + +rtl::Reference<XMLImportContext> +XMLImport::CreateContext(std::u16string_view rName, + const uno::Reference<xml::sax::XAttributeList>& /*xAttribs*/) +{ + if (rName == u"office:document") + return new XMLOfficeDocContext(*this); + return nullptr; +} + +librevenge::RVNGTextInterface& XMLImport::GetGenerator() const { return mrGenerator; } + +std::map<OUString, librevenge::RVNGPropertyList>& XMLImport::GetAutomaticTextStyles() +{ + return maAutomaticTextStyles; +} + +std::map<OUString, librevenge::RVNGPropertyList>& XMLImport::GetAutomaticParagraphStyles() +{ + return maAutomaticParagraphStyles; +} + +std::map<OUString, librevenge::RVNGPropertyList>& XMLImport::GetAutomaticCellStyles() +{ + return maAutomaticCellStyles; +} + +std::map<OUString, librevenge::RVNGPropertyList>& XMLImport::GetAutomaticColumnStyles() +{ + return maAutomaticColumnStyles; +} + +std::map<OUString, librevenge::RVNGPropertyList>& XMLImport::GetAutomaticRowStyles() +{ + return maAutomaticRowStyles; +} + +std::map<OUString, librevenge::RVNGPropertyList>& XMLImport::GetAutomaticTableStyles() +{ + return maAutomaticTableStyles; +} + +std::map<OUString, librevenge::RVNGPropertyList>& XMLImport::GetAutomaticGraphicStyles() +{ + return maAutomaticGraphicStyles; +} + +std::map<OUString, librevenge::RVNGPropertyList>& XMLImport::GetTextStyles() +{ + return maTextStyles; +} + +std::map<OUString, librevenge::RVNGPropertyList>& XMLImport::GetParagraphStyles() +{ + return maParagraphStyles; +} + +std::map<OUString, librevenge::RVNGPropertyList>& XMLImport::GetCellStyles() +{ + return maCellStyles; +} + +std::map<OUString, librevenge::RVNGPropertyList>& XMLImport::GetColumnStyles() +{ + return maColumnStyles; +} + +std::map<OUString, librevenge::RVNGPropertyList>& XMLImport::GetRowStyles() { return maRowStyles; } + +std::map<OUString, librevenge::RVNGPropertyList>& XMLImport::GetTableStyles() +{ + return maTableStyles; +} + +std::map<OUString, librevenge::RVNGPropertyList>& XMLImport::GetGraphicStyles() +{ + return maGraphicStyles; +} + +std::map<OUString, librevenge::RVNGPropertyList>& XMLImport::GetPageLayouts() +{ + return maPageLayouts; +} + +std::map<OUString, librevenge::RVNGPropertyList>& XMLImport::GetMasterStyles() +{ + return maMasterStyles; +} + +void XMLImport::startDocument() { mrGenerator.startDocument(librevenge::RVNGPropertyList()); } + +void XMLImport::endDocument() { mrGenerator.endDocument(); } + +void XMLImport::startElement(const OUString& rName, + const uno::Reference<xml::sax::XAttributeList>& xAttribs) +{ + rtl::Reference<XMLImportContext> xContext; + if (!maContexts.empty()) + { + if (maContexts.top().is()) + xContext = maContexts.top()->CreateChildContext(rName, xAttribs); + } + else + xContext = CreateContext(rName, xAttribs); + + if (xContext.is()) + xContext->startElement(rName, xAttribs); + + maContexts.push(xContext); +} + +void XMLImport::endElement(const OUString& rName) +{ + if (maContexts.empty()) + return; + + if (maContexts.top().is()) + maContexts.top()->endElement(rName); + + maContexts.pop(); +} + +void XMLImport::characters(const OUString& rChars) +{ + if (maContexts.top().is()) + maContexts.top()->characters(rChars); +} + +void XMLImport::ignorableWhitespace(const OUString& /*rWhitespaces*/) {} + +void XMLImport::processingInstruction(const OUString& /*rTarget*/, const OUString& /*rData*/) {} + +void XMLImport::setDocumentLocator(const uno::Reference<xml::sax::XLocator>& /*xLocator*/) {} + +void XMLImport::HandlePageSpan(const librevenge::RVNGPropertyList& rPropertyList) +{ + OUString sMasterPageName; + OUString sLayoutName; + + if (rPropertyList["style:master-page-name"]) + sMasterPageName = OStringToOUString( + rPropertyList["style:master-page-name"]->getStr().cstr(), RTL_TEXTENCODING_UTF8); + else if (!GetIsInPageSpan()) + sMasterPageName = "Standard"; + + if (sMasterPageName.getLength()) + { + librevenge::RVNGPropertyList& rMasterPage = GetMasterStyles()[sMasterPageName]; + if (rMasterPage["style:page-layout-name"]) + { + sLayoutName = OStringToOUString(rMasterPage["style:page-layout-name"]->getStr().cstr(), + RTL_TEXTENCODING_UTF8); + } + } + + if (sLayoutName.getLength()) + { + librevenge::RVNGPropertyList& rPageLayout = GetPageLayouts()[sLayoutName]; + + if (GetIsInPageSpan()) + GetGenerator().closePageSpan(); + + GetGenerator().openPageSpan(rPageLayout); + mbIsInPageSpan = true; + } +} + +} // namespace writerperfect + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |