gecko-dev/xpcom/reflect/xptinfo/xptinfo.cpp

171 строка
3.6 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 https://mozilla.org/MPL/2.0/. */
#include "xptinfo.h"
#include "nsISupports.h"
#include "mozilla/dom/DOMJSClass.h"
#include "mozilla/ArrayUtils.h"
using namespace mozilla;
using namespace mozilla::dom;
using namespace xpt::detail;
////////////////////////////////////
// Constant Lookup Helper Methods //
////////////////////////////////////
bool
nsXPTInterfaceInfo::HasAncestor(const nsIID& aIID) const
{
for (const auto* info = this; info; info = info->GetParent()) {
if (info->IID() == aIID) {
return true;
}
}
return false;
}
const nsXPTConstantInfo&
nsXPTInterfaceInfo::Constant(uint16_t aIndex) const
{
MOZ_ASSERT(aIndex < ConstantCount());
if (const nsXPTInterfaceInfo* pi = GetParent()) {
if (aIndex < pi->ConstantCount()) {
return pi->Constant(aIndex);
}
aIndex -= pi->ConstantCount();
}
return xpt::detail::GetConstant(mConsts + aIndex);
}
const nsXPTMethodInfo&
nsXPTInterfaceInfo::Method(uint16_t aIndex) const
{
MOZ_ASSERT(aIndex < MethodCount());
if (const nsXPTInterfaceInfo* pi = GetParent()) {
if (aIndex < pi->MethodCount()) {
return pi->Method(aIndex);
}
aIndex -= pi->MethodCount();
}
return xpt::detail::GetMethod(mMethods + aIndex);
}
////////////////////////////////////////////////
// nsIInterfaceInfo backcompat implementation //
////////////////////////////////////////////////
nsresult
nsXPTInterfaceInfo::GetName(char** aName) const
{
*aName = moz_xstrdup(Name());
return NS_OK;
}
nsresult
nsXPTInterfaceInfo::IsScriptable(bool* aRes) const
{
*aRes = IsScriptable();
return NS_OK;
}
nsresult
nsXPTInterfaceInfo::IsBuiltinClass(bool* aRes) const
{
*aRes = IsBuiltinClass();
return NS_OK;
}
nsresult
nsXPTInterfaceInfo::GetParent(const nsXPTInterfaceInfo** aParent) const
{
*aParent = GetParent();
return NS_OK;
}
nsresult
nsXPTInterfaceInfo::GetMethodCount(uint16_t* aMethodCount) const
{
*aMethodCount = MethodCount();
return NS_OK;
}
nsresult
nsXPTInterfaceInfo::GetConstantCount(uint16_t* aConstantCount) const
{
*aConstantCount = ConstantCount();
return NS_OK;
}
nsresult
nsXPTInterfaceInfo::GetMethodInfo(uint16_t aIndex, const nsXPTMethodInfo** aInfo) const
{
*aInfo = aIndex < MethodCount() ? &Method(aIndex) : nullptr;
return *aInfo ? NS_OK : NS_ERROR_FAILURE;
}
nsresult
nsXPTInterfaceInfo::GetConstant(uint16_t aIndex,
JS::MutableHandleValue aConstant,
char** aName) const
{
if (aIndex < ConstantCount()) {
aConstant.set(Constant(aIndex).JSValue());
*aName = moz_xstrdup(Constant(aIndex).Name());
return NS_OK;
}
return NS_ERROR_FAILURE;
}
nsresult
nsXPTInterfaceInfo::IsIID(const nsIID* aIID, bool* aIs) const
{
*aIs = mIID == *aIID;
return NS_OK;
}
nsresult
nsXPTInterfaceInfo::GetNameShared(const char** aName) const
{
*aName = Name();
return NS_OK;
}
nsresult
nsXPTInterfaceInfo::GetIIDShared(const nsIID** aIID) const
{
*aIID = &IID();
return NS_OK;
}
nsresult
nsXPTInterfaceInfo::IsFunction(bool* aRetval) const
{
*aRetval = IsFunction();
return NS_OK;
}
nsresult
nsXPTInterfaceInfo::HasAncestor(const nsIID* aIID, bool* aRetval) const
{
*aRetval = HasAncestor(*aIID);
return NS_OK;
}
nsresult
nsXPTInterfaceInfo::IsMainProcessScriptableOnly(bool* aRetval) const
{
*aRetval = IsMainProcessScriptableOnly();
return NS_OK;
}