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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 03:01:46 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 03:01:46 +0000
commitf8fe689a81f906d1b91bb3220acde2a4ecb14c5b (patch)
tree26484e9d7e2c67806c2d1760196ff01aaa858e8c /include/VBox/com/list.h
parentInitial commit. (diff)
downloadvirtualbox-f8fe689a81f906d1b91bb3220acde2a4ecb14c5b.tar.xz
virtualbox-f8fe689a81f906d1b91bb3220acde2a4ecb14c5b.zip
Adding upstream version 6.0.4-dfsg.upstream/6.0.4-dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/VBox/com/list.h')
-rw-r--r--include/VBox/com/list.h213
1 files changed, 213 insertions, 0 deletions
diff --git a/include/VBox/com/list.h b/include/VBox/com/list.h
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+/* $Id: list.h $ */
+/** @file
+ * MS COM / XPCOM Abstraction Layer - List classes declaration.
+ */
+
+/*
+ * Copyright (C) 2011-2019 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
+ * VirtualBox OSE distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ */
+
+#ifndef VBOX_INCLUDED_com_list_h
+#define VBOX_INCLUDED_com_list_h
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+#include <VBox/com/ptr.h>
+#include <VBox/com/string.h>
+#include <VBox/com/array.h>
+#include <iprt/cpp/list.h>
+
+
+/** @defgroup grp_com_list List Classes
+ * @ingroup grp_com
+ * @{
+ */
+
+/**
+ * Specialized list class for using with com::ComPtr<C>
+ *
+ * @note This is necessary cause ComPtr<IFACE> has a size of 8.
+ */
+template <typename C>
+class RTCList< ComPtr<C> >: public RTCListBase< ComPtr<C>, ComPtr<C>*, false>
+{
+ /* Traits */
+ typedef ComPtr<C> T;
+ typedef T *ITYPE;
+ static const bool MT = false;
+ typedef RTCListBase<T, ITYPE, MT> BASE;
+
+public:
+ /**
+ * Creates a new list.
+ *
+ * This preallocates @a cCapacity elements within the list.
+ *
+ * @param cCapacity The initial capacity the list has.
+ * @throws std::bad_alloc
+ */
+ RTCList(size_t cCapacity = BASE::kDefaultCapacity)
+ : BASE(cCapacity) {}
+
+ /* Define our own new and delete. */
+ RTMEMEF_NEW_AND_DELETE_OPERATORS();
+};
+
+/**
+ * Specialized list class for using with com::ComObjPtr<C>
+ *
+ * @note: This is necessary cause ComObjPtr<IFACE> has a size of 8.
+ */
+template <typename C>
+class RTCList< ComObjPtr<C> >: public RTCListBase< ComObjPtr<C>, ComObjPtr<C>*, false>
+{
+ /* Traits */
+ typedef ComObjPtr<C> T;
+ typedef T *ITYPE;
+ static const bool MT = false;
+ typedef RTCListBase<T, ITYPE, MT> BASE;
+
+public:
+ /**
+ * Creates a new list.
+ *
+ * This preallocates @a cCapacity elements within the list.
+ *
+ * @param cCapacity The initial capacity the list has.
+ * @throws std::bad_alloc
+ */
+ RTCList(size_t cCapacity = BASE::kDefaultCapacity)
+ : BASE(cCapacity) {}
+
+ /* Define our own new and delete. */
+ RTMEMEF_NEW_AND_DELETE_OPERATORS();
+};
+
+/**
+ * Specialized list class for using with com::Utf8Str.
+ *
+ * The class offers methods for importing com::SafeArray's of com::Bstr's.
+ */
+template <>
+class RTCList<com::Utf8Str>: public RTCListBase<com::Utf8Str, com::Utf8Str*, false>
+{
+ /* Traits */
+ typedef com::Utf8Str T;
+ typedef T *ITYPE;
+ static const bool MT = false;
+ typedef RTCListBase<T, ITYPE, MT> BASE;
+
+public:
+ /**
+ * Creates a new list.
+ *
+ * This preallocates @a cCapacity elements within the list.
+ *
+ * @param cCapacity The initial capacity the list has.
+ * @throws std::bad_alloc
+ */
+ RTCList(size_t cCapacity = BASE::kDefaultCapacity)
+ : BASE(cCapacity) {}
+
+ /**
+ * Creates a copy of another list.
+ *
+ * The other list will be fully copied and the capacity will be the same as
+ * the size of the other list. The com::Bstr's are silently converted to
+ * com::Utf8Str's.
+ *
+ * @param other The list to copy.
+ * @throws std::bad_alloc
+ */
+ RTCList(ComSafeArrayIn(IN_BSTR, other))
+ {
+ com::SafeArray<IN_BSTR> sfaOther(ComSafeArrayInArg(other));
+ size_t const cElementsOther = sfaOther.size();
+ resizeArray(cElementsOther);
+ m_cElements = cElementsOther;
+ for (size_t i = 0; i < cElementsOther; ++i)
+ RTCListHelper<T, ITYPE>::set(m_pArray, i, T(sfaOther[i]));
+ }
+
+ /**
+ * Creates a copy of another list.
+ *
+ * The other list will be fully copied and the capacity will be the same as
+ * the size of the other list. The com::Bstr's are silently converted to
+ * com::Utf8Str's.
+ *
+ * @param other The list to copy.
+ * @throws std::bad_alloc
+ */
+ RTCList(const com::SafeArray<IN_BSTR> &other)
+ : BASE(other.size())
+ {
+ for (size_t i = 0; i < m_cElements; ++i)
+ RTCListHelper<T, ITYPE>::set(m_pArray, i, T(other[i]));
+ }
+
+ /**
+ * Copy the items of the other list into this list. All previous items of
+ * this list are deleted.
+ *
+ * @param other The list to copy.
+ * @return a reference to this list.
+ * @throws std::bad_alloc
+ */
+ RTCListBase<T, ITYPE, MT> &operator=(const com::SafeArray<IN_BSTR> &other)
+ {
+ m_guard.enterWrite();
+
+ /* Values cleanup */
+ RTCListHelper<T, ITYPE>::eraseRange(m_pArray, 0, m_cElements);
+
+ /* Copy */
+ size_t cElementsOther = other.size();
+ if (cElementsOther != m_cCapacity)
+ resizeArrayNoErase(cElementsOther);
+ m_cElements = cElementsOther;
+ for (size_t i = 0; i < cElementsOther; ++i)
+ RTCListHelper<T, ITYPE>::set(m_pArray, i, T(other[i]));
+
+ m_guard.leaveWrite();
+ return *this;
+ }
+
+ /**
+ * Implicit conversion to a RTCString list.
+ *
+ * This allows the usage of the RTCString::join method with this list type.
+ *
+ * @return a converted const reference to this list.
+ */
+ operator const RTCList<RTCString, RTCString*>&()
+ {
+ return *reinterpret_cast<RTCList<RTCString, RTCString*> *>(this);
+ }
+
+ /* Define our own new and delete. */
+ RTMEMEF_NEW_AND_DELETE_OPERATORS();
+};
+
+/** @} */
+
+#endif /* !VBOX_INCLUDED_com_list_h */
+