75 lines
2.0 KiB
C++
75 lines
2.0 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/* Implementation of xptiTypelibGuts. */
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#include "xptiprivate.h"
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#include "mozilla/XPTInterfaceInfoManager.h"
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using namespace mozilla;
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// Ensure through static analysis that xptiTypelibGuts won't have a vtable.
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template <class T>
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class MOZ_NEEDS_NO_VTABLE_TYPE CheckNoVTable
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{
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};
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CheckNoVTable<xptiTypelibGuts> gChecker;
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// static
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xptiTypelibGuts*
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xptiTypelibGuts::Create(XPTHeader* aHeader)
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{
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NS_ASSERTION(aHeader, "bad param");
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size_t n = sizeof(xptiTypelibGuts) +
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sizeof(xptiInterfaceEntry*) * (aHeader->num_interfaces - 1);
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void* place = XPT_CALLOC8(gXPTIStructArena, n);
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if (!place)
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return nullptr;
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return new(place) xptiTypelibGuts(aHeader);
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}
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xptiInterfaceEntry*
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xptiTypelibGuts::GetEntryAt(uint16_t i)
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{
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static const nsID zeroIID =
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{ 0x0, 0x0, 0x0, { 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0 } };
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NS_ASSERTION(mHeader, "bad state");
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NS_ASSERTION(i < GetEntryCount(), "bad index");
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xptiInterfaceEntry* r = mEntryArray[i];
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if (r)
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return r;
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XPTInterfaceDirectoryEntry* iface = mHeader->interface_directory + i;
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XPTInterfaceInfoManager::xptiWorkingSet& set =
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XPTInterfaceInfoManager::GetSingleton()->mWorkingSet;
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{
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ReentrantMonitorAutoEnter monitor(set.mTableReentrantMonitor);
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if (iface->iid.Equals(zeroIID))
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r = set.mNameTable.Get(iface->name);
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else
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r = set.mIIDTable.Get(iface->iid);
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}
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if (r)
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SetEntryAt(i, r);
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return r;
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}
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const char*
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xptiTypelibGuts::GetEntryNameAt(uint16_t i)
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{
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NS_ASSERTION(mHeader, "bad state");
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NS_ASSERTION(i < GetEntryCount(), "bad index");
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XPTInterfaceDirectoryEntry* iface = mHeader->interface_directory + i;
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return iface->name;
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}
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