1 files changed, 125 insertions, 0 deletions
diff --git a/src/VBox/Main/include/MediumFormatImpl.h b/src/VBox/Main/include/MediumFormatImpl.h
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+++ b/src/VBox/Main/include/MediumFormatImpl.h
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+/* $Id: MediumFormatImpl.h $ */
+/** @file
+ * MediumFormat COM class implementation
+ */
+
+/*
+ * Copyright (C) 2008-2023 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, in version 3 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses>.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
+#ifndef MAIN_INCLUDED_MediumFormatImpl_h
+#define MAIN_INCLUDED_MediumFormatImpl_h
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+#include "MediumFormatWrap.h"
+
+
+struct VDBACKENDINFO;
+
+/**
+ * The MediumFormat class represents the backend used to store medium data
+ * (IMediumFormat interface).
+ *
+ * @note Instances of this class are permanently caller-referenced by Medium
+ * objects (through addCaller()) so that an attempt to uninitialize or delete
+ * them before all Medium objects are uninitialized will produce an endless
+ * wait!
+ */
+class ATL_NO_VTABLE MediumFormat :
+    public MediumFormatWrap
+{
+public:
+
+    struct Property
+    {
+        Utf8Str     strName;
+        Utf8Str     strDescription;
+        DataType_T  type;
+        ULONG       flags;
+        Utf8Str     strDefaultValue;
+    };
+
+    typedef std::vector<Property> PropertyArray;
+    typedef std::vector<com::Utf8Str> StrArray;
+
+    DECLARE_COMMON_CLASS_METHODS(MediumFormat)
+
+    HRESULT FinalConstruct();
+    void FinalRelease();
+
+    // public initializer/uninitializer for internal purposes only
+    HRESULT init(const VDBACKENDINFO *aVDInfo);
+    void uninit();
+
+    // public methods for internal purposes only
+    // (ensure there is a caller and a read lock before calling them!)
+
+    /** Const, no need to lock */
+    const Utf8Str &i_getId() const { return m.strId; }
+    /** Const, no need to lock */
+    const Utf8Str &i_getName() const { return m.strName; }
+    /** Const, no need to lock */
+    const StrArray &i_getFileExtensions() const { return m.maFileExtensions; }
+    /** Const, no need to lock */
+    MediumFormatCapabilities_T i_getCapabilities() const { return m.capabilities; }
+    /** Const, no need to lock */
+    const PropertyArray &i_getProperties() const { return m.maProperties; }
+
+private:
+
+    // wrapped IMediumFormat properties
+    HRESULT getId(com::Utf8Str &aId);
+    HRESULT getName(com::Utf8Str &aName);
+    HRESULT getCapabilities(std::vector<MediumFormatCapabilities_T> &aCapabilities);
+
+    // wrapped IMediumFormat methods
+    HRESULT describeFileExtensions(std::vector<com::Utf8Str> &aExtensions,
+                                   std::vector<DeviceType_T> &aTypes);
+    HRESULT describeProperties(std::vector<com::Utf8Str> &aNames,
+                               std::vector<com::Utf8Str> &aDescriptions,
+                               std::vector<DataType_T> &aTypes,
+                               std::vector<ULONG> &aFlags,
+                               std::vector<com::Utf8Str> &aDefaults);
+
+    // types
+    typedef std::vector<DeviceType_T> DeviceTypeArray;
+
+    // data
+    struct Data
+    {
+        Data() : capabilities((MediumFormatCapabilities_T)0) {}
+
+        const Utf8Str        strId;
+        const Utf8Str        strName;
+        const StrArray       maFileExtensions;
+        const DeviceTypeArray maDeviceTypes;
+        const MediumFormatCapabilities_T capabilities;
+        const PropertyArray  maProperties;
+    };
+
+    Data m;
+};
+
+#endif /* !MAIN_INCLUDED_MediumFormatImpl_h */
+
+/* vi: set tabstop=4 shiftwidth=4 expandtab: */