indexing: add indexing export as an export filter for Writer

Change-Id: I26157a8ffeee80b03866569d3d3cec2a34fe377d
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/118144
Tested-by: Jenkins
Reviewed-by: Tomaž Vajngerl <quikee@gmail.com>

8 files changed, 182 insertions, 0 deletions

diff --git a/filter/Configuration_filter.mk b/filter/Configuration_filter.mk
index d53afa704fc9..dfeacc6a542c 100644
--- a/filter/Configuration_filter.mk
+++ b/filter/Configuration_filter.mk
@@ -358,6 +358,7 @@ $(eval $(call filter_Configuration_add_types,fcfg_langpack,fcfg_writer_types.xcu
 	writer_OOXML \
 	writer_OOXML_Template \
 	writer_layout_dump_xml \
+	writer_indexing_export_xml \
 	writer_BroadBand_eBook \
 	writer_FictionBook_2 \
 	writer_PalmDoc \
@@ -407,6 +408,7 @@ $(eval $(call filter_Configuration_add_filters,fcfg_langpack,fcfg_writer_filters
 	OOXML_Text \
 	OOXML_Text_Template \
 	writer_layout_dump \
+	writer_indexing_export \
 	BroadBand_eBook \
 	FictionBook_2 \
 	PalmDoc \
diff --git a/filter/source/config/cache/typedetection.cxx b/filter/source/config/cache/typedetection.cxx
index 6679a5c8973d..34d0d49d5af9 100644
--- a/filter/source/config/cache/typedetection.cxx
+++ b/filter/source/config/cache/typedetection.cxx
@@ -273,6 +273,7 @@ int getFlatTypeRank(const OUString& rType)
 
         // Export only
         "writer_layout_dump_xml",
+        "writer_indexing_export",
         "graphic_HTML",
 
         // Internal use only
diff --git a/filter/source/config/fragments/filters/writer_indexing_export.xcu b/filter/source/config/fragments/filters/writer_indexing_export.xcu
new file mode 100644
index 000000000000..28cbe5b5b055
--- /dev/null
+++ b/filter/source/config/fragments/filters/writer_indexing_export.xcu
@@ -0,0 +1,22 @@
+<!--
+ * 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/.
+ *
+-->
+
+<node oor:name="writer_indexing_export" oor:op="replace">
+    <prop oor:name="Flags"><value>EXPORT ALIEN 3RDPARTYFILTER</value></prop>
+    <prop oor:name="UIComponent"/>
+    <prop oor:name="FilterService"><value>com.sun.star.comp.Writer.IndexingExportFilter</value></prop>
+    <prop oor:name="UserData"><value></value></prop>
+    <prop oor:name="UIName">
+        <value xml:lang="en-US">Writer Indexing Export XML</value>
+    </prop>
+    <prop oor:name="FileFormatVersion"><value>0</value></prop>
+    <prop oor:name="Type"><value>writer_indexing_export_xml</value></prop>
+    <prop oor:name="TemplateName"/>
+    <prop oor:name="DocumentService"><value>com.sun.star.text.TextDocument</value></prop>
+</node>
diff --git a/filter/source/config/fragments/types/writer_indexing_export_xml.xcu b/filter/source/config/fragments/types/writer_indexing_export_xml.xcu
new file mode 100644
index 000000000000..4cda6e597461
--- /dev/null
+++ b/filter/source/config/fragments/types/writer_indexing_export_xml.xcu
@@ -0,0 +1,21 @@
+<!--
+ * 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/.
+ *
+-->
+
+<node oor:name="writer_indexing_export_xml" oor:op="replace" >
+    <prop oor:name="DetectService"/>
+    <prop oor:name="URLPattern"/>
+    <prop oor:name="Extensions"><value>xml</value></prop>
+    <prop oor:name="MediaType"/>
+    <prop oor:name="Preferred"><value>false</value></prop>
+    <prop oor:name="PreferredFilter"/>
+    <prop oor:name="UIName">
+        <value>Writer Indexing Export XML</value>
+    </prop>
+    <prop oor:name="ClipboardFormat"/>
+</node>
diff --git a/sw/Library_sw.mk b/sw/Library_sw.mk
index d85a2f563ba7..02d12d171295 100644
--- a/sw/Library_sw.mk
+++ b/sw/Library_sw.mk
@@ -571,6 +571,7 @@ $(eval $(call gb_Library_add_exception_objects,sw,\
     sw/source/filter/xml/xmltexte \
     sw/source/filter/xml/xmltexti \
     sw/source/filter/indexing/IndexingExport \
+    sw/source/filter/indexing/IndexingExportFilter \
     sw/source/uibase/app/appenv \
     sw/source/uibase/app/apphdl \
     sw/source/uibase/app/applab \
diff --git a/sw/source/filter/inc/IndexingExportFilter.hxx b/sw/source/filter/inc/IndexingExportFilter.hxx
new file mode 100644
index 000000000000..82c56dfa9a61
--- /dev/null
+++ b/sw/source/filter/inc/IndexingExportFilter.hxx
@@ -0,0 +1,68 @@
+/* -*- 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/.
+ */
+
+#pragma once
+
+#include <com/sun/star/document/XFilter.hpp>
+#include <com/sun/star/document/XExporter.hpp>
+#include <com/sun/star/lang/XInitialization.hpp>
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <cppuhelper/implbase.hxx>
+#include <cppuhelper/supportsservice.hxx>
+
+namespace sw
+{
+class IndexingExportFilter final
+    : public cppu::WeakImplHelper<css::document::XFilter, css::document::XExporter,
+                                  css::lang::XInitialization, css::lang::XServiceInfo>
+{
+private:
+    css::uno::Reference<css::lang::XComponent> m_xSourceDocument;
+
+public:
+    IndexingExportFilter() {}
+
+    // XFilter
+    virtual sal_Bool SAL_CALL
+    filter(const css::uno::Sequence<css::beans::PropertyValue>& aDescriptor) override;
+
+    virtual void SAL_CALL cancel() override {}
+
+    // XExporter
+    virtual void SAL_CALL
+    setSourceDocument(const css::uno::Reference<css::lang::XComponent>& xDocument) override
+    {
+        m_xSourceDocument = xDocument;
+    }
+
+    // XInitialization
+    virtual void SAL_CALL
+    initialize(const css::uno::Sequence<css::uno::Any>& /*aArguments*/) override
+    {
+    }
+
+    // XServiceInfo
+    virtual OUString SAL_CALL getImplementationName() override
+    {
+        return "com.sun.star.comp.Writer.IndexingExportFilter";
+    }
+
+    virtual sal_Bool SAL_CALL supportsService(OUString const& rServiceName) override
+    {
+        return cppu::supportsService(this, rServiceName);
+    }
+
+    virtual css::uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() override
+    {
+        return { "com.sun.star.document.ExportFilter" };
+    }
+};
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/sw/source/filter/indexing/IndexingExportFilter.cxx b/sw/source/filter/indexing/IndexingExportFilter.cxx
new file mode 100644
index 000000000000..52488782aaf9
--- /dev/null
+++ b/sw/source/filter/indexing/IndexingExportFilter.cxx
@@ -0,0 +1,63 @@
+/* -*- 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 <IndexingExportFilter.hxx>
+#include <IndexingExport.hxx>
+
+#include <unotxdoc.hxx>
+#include <docsh.hxx>
+
+#include <unotools/mediadescriptor.hxx>
+#include <unotools/ucbstreamhelper.hxx>
+#include <comphelper/servicehelper.hxx>
+
+#include <com/sun/star/io/XOutputStream.hpp>
+#include <svl/outstrm.hxx>
+
+using namespace css;
+
+namespace sw
+{
+sal_Bool IndexingExportFilter::filter(const uno::Sequence<beans::PropertyValue>& aDescriptor)
+{
+    bool bReturn = false;
+
+    utl::MediaDescriptor aMediaDesc = aDescriptor;
+
+    // Actually get the SwRootFrame to call dumpAsXml
+    auto pXTextDocument
+        = comphelper::getUnoTunnelImplementation<SwXTextDocument>(m_xSourceDocument);
+    if (pXTextDocument)
+    {
+        uno::Reference<io::XOutputStream> xOutputStream = aMediaDesc.getUnpackedValueOrDefault(
+            utl::MediaDescriptor::PROP_OUTPUTSTREAM(), uno::Reference<io::XOutputStream>());
+
+        std::unique_ptr<SvStream> pStream(new SvOutputStream(xOutputStream));
+        SwDocShell* pShell = pXTextDocument->GetDocShell();
+        SwDoc* pDoc = pShell->GetDoc();
+        if (pDoc)
+        {
+            IndexingExport aIndexingExport(*pStream, pDoc);
+            bReturn = aIndexingExport.runExport();
+        }
+    }
+
+    return bReturn;
+}
+
+} // end namespace sw
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+com_sun_star_comp_Writer_IndexingExportFilter_get_implementation(
+    css::uno::XComponentContext*, css::uno::Sequence<css::uno::Any> const&)
+{
+    return cppu::acquire(new sw::IndexingExportFilter());
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/sw/util/sw.component b/sw/util/sw.component
index f4ad4f7e3339..e05a865a6471 100644
--- a/sw/util/sw.component
+++ b/sw/util/sw.component
@@ -151,6 +151,10 @@
       constructor="com_sun_star_util_comp_FinalThreadManager_get_implementation">
     <service name="com.sun.star.util.JobManager"/>
   </implementation>
+  <implementation name="com.sun.star.comp.Writer.IndexingExportFilter"
+      constructor="com_sun_star_comp_Writer_IndexingExportFilter_get_implementation">
+    <service name="com.sun.star.comp.Writer.IndexingExportFilter"/>
+  </implementation>
   <implementation name="com.sun.star.comp.Writer.LayoutDump"
       constructor="com_sun_star_comp_Writer_LayoutDump_get_implementation">
     <service name="com.sun.star.comp.Writer.LayoutDump"/>