EPUB export: handle inline images

Just the bare minimum, so that the binary file-related member functions
of the package interface are triggered, so I can implement them.

Change-Id: I996659126667423fded1f89f8097ac726418fa00
Reviewed-on: https://gerrit.libreoffice.org/41261
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>

6 files changed, 256 insertions, 4 deletions

diff --git a/writerperfect/source/writer/EPUBPackage.cxx b/writerperfect/source/writer/EPUBPackage.cxx
index 7818f584b76f..3a33dedac3eb 100644
--- a/writerperfect/source/writer/EPUBPackage.cxx
+++ b/writerperfect/source/writer/EPUBPackage.cxx
@@ -140,17 +140,30 @@ void EPUBPackage::closeCSSFile()
 
 void EPUBPackage::openBinaryFile(const char *pName)
 {
-    SAL_WARN("writerperfect", "EPUBPackage::openBinaryFile, " << pName << ": implement me");
+    assert(pName);
+    assert(!mxOutputStream.is());
+
+    mxOutputStream.set(mxStorage->openStreamElementByHierarchicalName(OUString::fromUtf8(pName), embed::ElementModes::READWRITE), uno::UNO_QUERY);
 }
 
-void EPUBPackage::insertBinaryData(const librevenge::RVNGBinaryData &/*rData*/)
+void EPUBPackage::insertBinaryData(const librevenge::RVNGBinaryData &rData)
 {
-    SAL_WARN("writerperfect", "EPUBPackage::insertBinaryData: implement me");
+    assert(mxOutputStream.is());
+
+    if (rData.empty())
+        return;
+
+    uno::Sequence<sal_Int8> aData(reinterpret_cast<const sal_Int8 *>(rData.getDataBuffer()), rData.size());
+    mxOutputStream->writeBytes(aData);
 }
 
 void EPUBPackage::closeBinaryFile()
 {
-    SAL_WARN("writerperfect", "EPUBPackage::closeBinaryFile: implement me");
+    assert(mxOutputStream.is());
+
+    uno::Reference<embed::XTransactedObject> xTransactedObject(mxOutputStream, uno::UNO_QUERY);
+    xTransactedObject->commit();
+    mxOutputStream.clear();
 }
 
 void EPUBPackage::openTextFile(const char *pName)
diff --git a/writerperfect/source/writer/exp/XMLBase64ImportContext.cxx b/writerperfect/source/writer/exp/XMLBase64ImportContext.cxx
new file mode 100644
index 000000000000..c073d8fc19bd
--- /dev/null
+++ b/writerperfect/source/writer/exp/XMLBase64ImportContext.cxx
@@ -0,0 +1,46 @@
+/* -*- 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 "XMLBase64ImportContext.hxx"
+
+using namespace com::sun::star;
+
+namespace writerperfect
+{
+namespace exp
+{
+
+XMLBase64ImportContext::XMLBase64ImportContext(XMLImport &rImport)
+    : XMLImportContext(rImport)
+{
+}
+
+void XMLBase64ImportContext::startElement(const OUString &/*rName*/, const css::uno::Reference<css::xml::sax::XAttributeList> &/*xAttribs*/)
+{
+}
+
+void XMLBase64ImportContext::endElement(const OUString &/*rName*/)
+{
+}
+
+void XMLBase64ImportContext::characters(const OUString &rChars)
+{
+    OString sCharU8 = OUStringToOString(rChars, RTL_TEXTENCODING_UTF8);
+    m_aBinaryData.appendBase64Data(librevenge::RVNGString(sCharU8.getStr()));
+}
+
+const librevenge::RVNGBinaryData &XMLBase64ImportContext::getBinaryData() const
+{
+    return m_aBinaryData;
+}
+
+} // namespace exp
+} // namespace writerperfect
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/writerperfect/source/writer/exp/XMLBase64ImportContext.hxx b/writerperfect/source/writer/exp/XMLBase64ImportContext.hxx
new file mode 100644
index 000000000000..f60122b61382
--- /dev/null
+++ b/writerperfect/source/writer/exp/XMLBase64ImportContext.hxx
@@ -0,0 +1,43 @@
+/* -*- 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/.
+ */
+
+#ifndef INCLUDED_WRITERPERFECT_SOURCE_WRITER_EXP_XMLBASE64IMPORTCONTEXT_HXX
+#define INCLUDED_WRITERPERFECT_SOURCE_WRITER_EXP_XMLBASE64IMPORTCONTEXT_HXX
+
+#include <librevenge/RVNGBinaryData.h>
+
+#include "xmlictxt.hxx"
+
+namespace writerperfect
+{
+namespace exp
+{
+
+/// Handler for <office:binary-data>.
+class XMLBase64ImportContext : public XMLImportContext
+{
+public:
+    XMLBase64ImportContext(XMLImport &rImport);
+
+    void SAL_CALL startElement(const OUString &rName, const css::uno::Reference<css::xml::sax::XAttributeList> &xAttribs) override;
+    void SAL_CALL endElement(const OUString &rName) override;
+    void SAL_CALL characters(const OUString &rChars) override;
+
+    const librevenge::RVNGBinaryData &getBinaryData() const;
+
+private:
+    librevenge::RVNGBinaryData m_aBinaryData;
+};
+
+} // namespace exp
+} // namespace writerperfect
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/writerperfect/source/writer/exp/XMLTextFrameContext.cxx b/writerperfect/source/writer/exp/XMLTextFrameContext.cxx
new file mode 100644
index 000000000000..60cbe2d21263
--- /dev/null
+++ b/writerperfect/source/writer/exp/XMLTextFrameContext.cxx
@@ -0,0 +1,99 @@
+/* -*- 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 "XMLTextFrameContext.hxx"
+
+#include "XMLBase64ImportContext.hxx"
+#include "xmlimp.hxx"
+
+using namespace com::sun::star;
+
+namespace writerperfect
+{
+namespace exp
+{
+
+/// Handler for <draw:image>.
+class XMLTextImageContext : public XMLImportContext
+{
+public:
+    XMLTextImageContext(XMLImport &rImport);
+
+    XMLImportContext *CreateChildContext(const OUString &rName, const css::uno::Reference<css::xml::sax::XAttributeList> &xAttribs) override;
+
+    void SAL_CALL startElement(const OUString &rName, const css::uno::Reference<css::xml::sax::XAttributeList> &xAttribs) override;
+    void SAL_CALL endElement(const OUString &rName) override;
+
+private:
+    OString m_aMimeType;
+    rtl::Reference<XMLBase64ImportContext> m_xBinaryData;
+};
+
+XMLTextImageContext::XMLTextImageContext(XMLImport &rImport)
+    : XMLImportContext(rImport)
+{
+}
+
+XMLImportContext *XMLTextImageContext::CreateChildContext(const OUString &rName, const css::uno::Reference<css::xml::sax::XAttributeList> &/*xAttribs*/)
+{
+    if (rName == "office:binary-data")
+    {
+        m_xBinaryData = new XMLBase64ImportContext(mrImport);
+        return m_xBinaryData.get();
+    }
+    return nullptr;
+}
+
+void XMLTextImageContext::startElement(const OUString &/*rName*/, const css::uno::Reference<css::xml::sax::XAttributeList> &xAttribs)
+{
+    for (sal_Int16 i = 0; i < xAttribs->getLength(); ++i)
+    {
+        const OUString &rAttributeName = xAttribs->getNameByIndex(i);
+        if (rAttributeName == "loext:mime-type")
+            m_aMimeType = OUStringToOString(xAttribs->getValueByIndex(i), RTL_TEXTENCODING_UTF8);
+    }
+}
+
+void XMLTextImageContext::endElement(const OUString &/*rName*/)
+{
+    librevenge::RVNGPropertyList aPropertyList;
+
+    aPropertyList.insert("librevenge:mime-type", m_aMimeType.getStr());
+    if (m_xBinaryData.is())
+        aPropertyList.insert("office:binary-data", m_xBinaryData->getBinaryData());
+
+    mrImport.GetGenerator().insertBinaryObject(aPropertyList);
+}
+
+XMLTextFrameContext::XMLTextFrameContext(XMLImport &rImport)
+    : XMLImportContext(rImport)
+{
+}
+
+XMLImportContext *XMLTextFrameContext::CreateChildContext(const OUString &rName, const css::uno::Reference<css::xml::sax::XAttributeList> &/*xAttribs*/)
+{
+    if (rName == "draw:image")
+        return new XMLTextImageContext(mrImport);
+    return nullptr;
+}
+
+void XMLTextFrameContext::startElement(const OUString &/*rName*/, const css::uno::Reference<css::xml::sax::XAttributeList> &/*xAttribs*/)
+{
+    mrImport.GetGenerator().openFrame(librevenge::RVNGPropertyList());
+}
+
+void XMLTextFrameContext::endElement(const OUString &/*rName*/)
+{
+    mrImport.GetGenerator().closeFrame();
+}
+
+} // namespace exp
+} // namespace writerperfect
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/writerperfect/source/writer/exp/XMLTextFrameContext.hxx b/writerperfect/source/writer/exp/XMLTextFrameContext.hxx
new file mode 100644
index 000000000000..2cf14889df05
--- /dev/null
+++ b/writerperfect/source/writer/exp/XMLTextFrameContext.hxx
@@ -0,0 +1,41 @@
+/* -*- 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/.
+ */
+
+#ifndef INCLUDED_WRITERPERFECT_SOURCE_WRITER_EXP_XMLTEXTFRAMECONTEXT_HXX
+#define INCLUDED_WRITERPERFECT_SOURCE_WRITER_EXP_XMLTEXTFRAMECONTEXT_HXX
+
+#include <rtl/ref.hxx>
+
+#include "xmlictxt.hxx"
+
+namespace writerperfect
+{
+namespace exp
+{
+
+class XMLBase64ImportContext;
+
+/// Handler for <draw:frame>.
+class XMLTextFrameContext : public XMLImportContext
+{
+public:
+    XMLTextFrameContext(XMLImport &rImport);
+
+    XMLImportContext *CreateChildContext(const OUString &rName, const css::uno::Reference<css::xml::sax::XAttributeList> &xAttribs) override;
+
+    void SAL_CALL startElement(const OUString &rName, const css::uno::Reference<css::xml::sax::XAttributeList> &xAttribs) override;
+    void SAL_CALL endElement(const OUString &rName) override;
+};
+
+} // namespace exp
+} // namespace writerperfect
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/writerperfect/source/writer/exp/txtparai.cxx b/writerperfect/source/writer/exp/txtparai.cxx
index 72cc401ceb91..600709d9fec8 100644
--- a/writerperfect/source/writer/exp/txtparai.cxx
+++ b/writerperfect/source/writer/exp/txtparai.cxx
@@ -9,6 +9,7 @@
 
 #include "txtparai.hxx"
 
+#include "XMLTextFrameContext.hxx"
 #include "xmlimp.hxx"
 
 using namespace com::sun::star;
@@ -24,6 +25,8 @@ class XMLSpanContext : public XMLImportContext
 public:
     XMLSpanContext(XMLImport &rImport);
 
+    XMLImportContext *CreateChildContext(const OUString &rName, const css::uno::Reference<css::xml::sax::XAttributeList> &xAttribs) override;
+
     void SAL_CALL startElement(const OUString &rName, const css::uno::Reference<css::xml::sax::XAttributeList> &xAttribs) override;
     void SAL_CALL endElement(const OUString &rName) override;
     void SAL_CALL characters(const OUString &rChars) override;
@@ -34,6 +37,13 @@ XMLSpanContext::XMLSpanContext(XMLImport &rImport)
 {
 }
 
+XMLImportContext *XMLSpanContext::CreateChildContext(const OUString &rName, const css::uno::Reference<css::xml::sax::XAttributeList> &/*xAttribs*/)
+{
+    if (rName == "draw:frame")
+        return new XMLTextFrameContext(mrImport);
+    return nullptr;
+}
+
 void XMLSpanContext::startElement(const OUString &/*rName*/, const css::uno::Reference<css::xml::sax::XAttributeList> &/*xAttribs*/)
 {
     mrImport.GetGenerator().openSpan(librevenge::RVNGPropertyList());