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, 155 insertions, 0 deletions

diff --git a/include/oox/ole/vbaexport.hxx b/include/oox/ole/vbaexport.hxx
new file mode 100644
index 000000000..04d9f7512
--- /dev/null
+++ b/include/oox/ole/vbaexport.hxx
@@ -0,0 +1,155 @@
+/* -*- 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_OOX_OLE_VBAEXPORT_HXX
+#define INCLUDED_OOX_OLE_VBAEXPORT_HXX
+
+#include <cstddef>
+
+#include <com/sun/star/uno/Reference.hxx>
+#include <oox/dllapi.h>
+#include <rtl/ustring.hxx>
+#include <sal/types.h>
+
+class SotStorage;
+class SvStream;
+class SvMemoryStream;
+
+namespace com::sun::star {
+    namespace container { class XNameContainer; }
+    namespace frame { class XModel; }
+    namespace script { class XLibraryContainer; }
+}
+
+class OOX_DLLPUBLIC VbaExport
+{
+public:
+    VbaExport(css::uno::Reference<css::frame::XModel> const & xModel);
+
+    void exportVBA(SotStorage* pRootStorage);
+
+    bool containsVBAProject();
+
+private:
+
+    css::uno::Reference<css::container::XNameContainer>
+        getBasicLibrary() const;
+
+    css::uno::Reference<css::script::XLibraryContainer>
+        getLibraryContainer() const;
+
+    OUString getProjectName() const;
+    rtl_TextEncoding getVBATextEncoding() const;
+
+    css::uno::Reference<css::frame::XModel> mxModel;
+};
+
+class VBACompressionChunk
+{
+public:
+
+    VBACompressionChunk(SvStream& rCompressedStream, const sal_uInt8* pData, std::size_t nChunkSize);
+
+    void write();
+
+private:
+    SvStream& mrCompressedStream;
+    const sal_uInt8* mpUncompressedData;
+    sal_uInt8* mpCompressedChunkStream;
+
+    // same as DecompressedChunkEnd in the spec
+    std::size_t mnChunkSize;
+
+    // CompressedCurrent according to the spec
+    sal_uInt64 mnCompressedCurrent;
+
+    // CompressedEnd according to the spec
+    sal_uInt64 mnCompressedEnd;
+
+    // DecompressedCurrent according to the spec
+    sal_uInt64 mnDecompressedCurrent;
+
+    // DecompressedEnd according to the spec
+    sal_uInt64 mnDecompressedEnd;
+
+    static void PackCompressedChunkSize(size_t nSize, sal_uInt16& rHeader);
+
+    static void PackCompressedChunkFlag(bool bCompressed, sal_uInt16& rHeader);
+
+    static void PackCompressedChunkSignature(sal_uInt16& rHeader);
+
+    void compressTokenSequence();
+
+    void compressToken(size_t index, sal_uInt8& nFlagByte);
+
+    static void SetFlagBit(size_t index, bool bVal, sal_uInt8& rFlag);
+
+    sal_uInt16 CopyToken(size_t nLength, size_t nOffset);
+
+    void match(size_t& rLength, size_t& rOffset);
+
+    void CopyTokenHelp(sal_uInt16& rLengthMask, sal_uInt16& rOffsetMask,
+            sal_uInt16& rBitCount, sal_uInt16& rMaximumLength);
+
+    void writeRawChunk();
+
+    sal_uInt16 handleHeader(bool bCompressed);
+};
+
+class OOX_DLLPUBLIC VBACompression
+{
+public:
+    VBACompression(SvStream& rCompressedStream,
+            SvMemoryStream& rUncompressedStream);
+
+    void write();
+
+private:
+    SvStream& mrCompressedStream;
+    SvMemoryStream& mrUncompressedStream;
+};
+
+class OOX_DLLPUBLIC VBAEncryption
+{
+public:
+    VBAEncryption(const sal_uInt8* pData,
+                  const sal_uInt16 nLength,
+                  SvStream& rEncryptedData,
+                  sal_uInt8 nProjKey,
+                  rtl_TextEncoding eTextEncoding);
+
+    void write();
+
+    static sal_uInt8 calculateProjKey(const OUString& rString);
+
+private:
+    const sal_uInt8* mpData; // an array of bytes to be obfuscated
+    const sal_uInt16 mnLength; // the length of Data
+    SvStream& mrEncryptedData; // Encrypted Data Structure
+    sal_uInt8 mnUnencryptedByte1; // the last unencrypted byte read or written
+    sal_uInt8 mnEncryptedByte1; // the last encrypted byte read or written
+    sal_uInt8 mnEncryptedByte2; // the next-to-last encrypted byte read or written
+    sal_Unicode mnProjKey; // a project-specific encryption key
+    sal_uInt8 mnIgnoredLength; // the length in bytes of IgnoredEnc
+
+    sal_uInt8 mnSeed; // the seed value
+    sal_uInt8 mnVersionEnc; // the version encoding
+    rtl_TextEncoding meTextEncoding; // the VBA text encoding on export
+
+    void writeSeed();
+    void writeVersionEnc();
+    void writeProjKeyEnc();
+    void writeIgnoredEnc();
+    void writeDataLengthEnc();
+    void writeDataEnc();
+};
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */