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, 66 insertions, 0 deletions

diff --git a/include/vcl/BinaryDataContainer.hxx b/include/vcl/BinaryDataContainer.hxx
new file mode 100644
index 000000000..b7421e987
--- /dev/null
+++ b/include/vcl/BinaryDataContainer.hxx
@@ -0,0 +1,66 @@
+/* -*- 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 <vcl/dllapi.h>
+#include <vector>
+#include <memory>
+
+/** Container for the binary data, whose responsibility is to manage the
+ *  make it as simple as possible to manage the binary data. The binary
+ *  data can be anything, but typically it is a in-memory data from
+ *  files (i.e. files of graphic formats).
+ */
+class VCL_DLLPUBLIC BinaryDataContainer final
+{
+private:
+    // the binary data
+    std::shared_ptr<std::vector<sal_uInt8>> mpData;
+
+public:
+    BinaryDataContainer();
+    BinaryDataContainer(const sal_uInt8* pData, size_t nSize);
+    BinaryDataContainer(std::unique_ptr<std::vector<sal_uInt8>> rData);
+
+    BinaryDataContainer(const BinaryDataContainer& rBinaryDataContainer)
+        : mpData(rBinaryDataContainer.mpData)
+    {
+    }
+
+    BinaryDataContainer(BinaryDataContainer&& rBinaryDataContainer) noexcept
+        : mpData(std::move(rBinaryDataContainer.mpData))
+    {
+    }
+
+    BinaryDataContainer& operator=(const BinaryDataContainer& rBinaryDataContainer)
+    {
+        mpData = rBinaryDataContainer.mpData;
+        return *this;
+    }
+
+    BinaryDataContainer& operator=(BinaryDataContainer&& rBinaryDataContainer) noexcept
+    {
+        mpData = std::move(rBinaryDataContainer.mpData);
+        return *this;
+    }
+
+    size_t getSize() const { return mpData ? mpData->size() : 0; }
+    bool isEmpty() const { return !mpData || mpData->empty(); }
+    const sal_uInt8* getData() const { return mpData ? mpData->data() : nullptr; }
+
+    size_t calculateHash() const;
+
+    auto cbegin() const { return mpData->cbegin(); }
+
+    auto cend() const { return mpData->cend(); }
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */