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/* -*- 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/dom/BindingUtils.h"
#include "mozilla/ArrayUtils.h"
#include "jsfriendapi.h"
#include "js/Symbol.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);
}
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::MutableHandle<JS::Value> 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;
}
////////////////////////////////////
// nsXPTMethodInfo symbol helpers //
////////////////////////////////////
const char* nsXPTMethodInfo::SymbolDescription() const {
switch (GetSymbolCode()) {
#define XPC_WELL_KNOWN_SYMBOL_DESCR_CASE(name) \
case JS::SymbolCode::name: \
return #name;
JS_FOR_EACH_WELL_KNOWN_SYMBOL(XPC_WELL_KNOWN_SYMBOL_DESCR_CASE)
#undef XPC_WELL_KNOWN_SYMBOL_DESCR_CASE
default:
return "";
}
}
bool nsXPTMethodInfo::GetId(JSContext* aCx, jsid& aId) const {
if (IsSymbol()) {
aId = JS::PropertyKey::Symbol(GetSymbol(aCx));
return true;
}
JSString* str = JS_AtomizeString(aCx, Name());
if (!str) {
return false;
}
aId = JS::PropertyKey::NonIntAtom(str);
return true;
}
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