Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 121 insertions, 0 deletions

diff --git a/sdext/source/pdfimport/odf/odfemitter.cxx b/sdext/source/pdfimport/odf/odfemitter.cxx
new file mode 100644
index 000000000..e38e81fce
--- /dev/null
+++ b/sdext/source/pdfimport/odf/odfemitter.cxx
@@ -0,0 +1,121 @@
+/* -*- 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/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+#include <odfemitter.hxx>
+
+#include <rtl/ustrbuf.hxx>
+#include <osl/diagnose.h>
+#include <com/sun/star/io/XOutputStream.hpp>
+
+#include <comphelper/stl_types.hxx>
+
+using namespace com::sun::star;
+
+namespace pdfi
+{
+
+namespace {
+
+class OdfEmitter : public XmlEmitter
+{
+private:
+    uno::Reference<io::XOutputStream> m_xOutput;
+    uno::Sequence<sal_Int8>           m_aLineFeed;
+    uno::Sequence<sal_Int8>           m_aBuf;
+
+public:
+    explicit OdfEmitter( const uno::Reference<io::XOutputStream>& xOutput );
+
+    virtual void beginTag( const char* pTag, const PropertyMap& rProperties ) override;
+    virtual void write( const OUString& rString ) override;
+    virtual void endTag( const char* pTag ) override;
+};
+
+}
+
+OdfEmitter::OdfEmitter( const uno::Reference<io::XOutputStream>& xOutput ) :
+    m_xOutput( xOutput ),
+    m_aLineFeed{ '\n' }
+{
+    OSL_PRECOND(m_xOutput.is(), "OdfEmitter(): invalid output stream");
+
+    write("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
+}
+
+void OdfEmitter::beginTag( const char* pTag, const PropertyMap& rProperties )
+{
+    OSL_PRECOND(pTag,"Invalid tag string");
+
+    OUStringBuffer aElement;
+    aElement.append("<");
+    aElement.appendAscii(pTag);
+    aElement.append(" ");
+
+    std::vector<OUString>        aAttributes;
+    for( const auto& rCurr : rProperties )
+    {
+        OUString aAttribute =
+            rCurr.first +
+            "=\"" +
+            rCurr.second +
+            "\" ";
+        aAttributes.push_back(aAttribute);
+    }
+
+    // since the hash map's sorting is undefined (and varies across
+    // platforms, and even between different compile-time settings),
+    // sort the attributes.
+    std::sort(aAttributes.begin(), aAttributes.end());
+    std::copy(aAttributes.begin(), aAttributes.end(),
+              comphelper::OUStringBufferAppender(aElement));
+    aElement.append(">");
+
+    write(aElement.makeStringAndClear());
+}
+
+void OdfEmitter::write( const OUString& rText )
+{
+    const OString aStr = OUStringToOString(rText,RTL_TEXTENCODING_UTF8);
+    const sal_Int32 nLen( aStr.getLength() );
+    m_aBuf.realloc( nLen );
+    const char* pStr = aStr.getStr();
+    std::copy(pStr,pStr+nLen,m_aBuf.getArray());
+
+    m_xOutput->writeBytes(m_aBuf);
+    m_xOutput->writeBytes(m_aLineFeed);
+}
+
+void OdfEmitter::endTag( const char* pTag )
+{
+    OUStringBuffer aElement;
+    aElement.append("</");
+    aElement.appendAscii(pTag);
+    aElement.append(">");
+    write(aElement.makeStringAndClear());
+}
+
+XmlEmitterSharedPtr createOdfEmitter( const uno::Reference<io::XOutputStream>& xOut )
+{
+    return std::make_shared<OdfEmitter>(xOut);
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */