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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo
This commit is contained in:
Roy Tam
commit
dcd9973243
150858 changed files with 23884658 additions and 0 deletions
284
xpcom/ds/nsHashPropertyBag.cpp
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284
xpcom/ds/nsHashPropertyBag.cpp
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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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#include "nsHashPropertyBag.h"
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#include "nsArray.h"
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#include "nsArrayEnumerator.h"
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#include "nsIVariant.h"
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#include "nsIProperty.h"
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#include "nsVariant.h"
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#include "mozilla/Attributes.h"
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/*
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* nsHashPropertyBagBase implementation.
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*/
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NS_IMETHODIMP
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nsHashPropertyBagBase::HasKey(const nsAString& aName, bool* aResult)
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{
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*aResult = mPropertyHash.Get(aName, nullptr);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsHashPropertyBagBase::Get(const nsAString& aName, nsIVariant** aResult)
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{
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if (!mPropertyHash.Get(aName, aResult)) {
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*aResult = nullptr;
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsHashPropertyBagBase::GetProperty(const nsAString& aName, nsIVariant** aResult)
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{
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bool isFound = mPropertyHash.Get(aName, aResult);
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if (!isFound) {
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return NS_ERROR_FAILURE;
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsHashPropertyBagBase::SetProperty(const nsAString& aName, nsIVariant* aValue)
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{
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if (NS_WARN_IF(!aValue)) {
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return NS_ERROR_INVALID_ARG;
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}
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mPropertyHash.Put(aName, aValue);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsHashPropertyBagBase::DeleteProperty(const nsAString& aName)
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{
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// is it too much to ask for ns*Hashtable to return
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// a boolean indicating whether RemoveEntry succeeded
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// or not?!?!
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bool isFound = mPropertyHash.Get(aName, nullptr);
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if (!isFound) {
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return NS_ERROR_FAILURE;
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}
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// then from the hash
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mPropertyHash.Remove(aName);
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return NS_OK;
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}
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//
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// nsSimpleProperty class and impl; used for GetEnumerator
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//
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class nsSimpleProperty final : public nsIProperty
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{
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~nsSimpleProperty() {}
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public:
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nsSimpleProperty(const nsAString& aName, nsIVariant* aValue)
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: mName(aName)
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, mValue(aValue)
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{
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}
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NS_DECL_ISUPPORTS
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NS_DECL_NSIPROPERTY
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protected:
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nsString mName;
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nsCOMPtr<nsIVariant> mValue;
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};
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NS_IMPL_ISUPPORTS(nsSimpleProperty, nsIProperty)
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NS_IMETHODIMP
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nsSimpleProperty::GetName(nsAString& aName)
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{
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aName.Assign(mName);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsSimpleProperty::GetValue(nsIVariant** aValue)
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{
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NS_IF_ADDREF(*aValue = mValue);
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return NS_OK;
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}
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// end nsSimpleProperty
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NS_IMETHODIMP
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nsHashPropertyBagBase::GetEnumerator(nsISimpleEnumerator** aResult)
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{
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nsCOMPtr<nsIMutableArray> propertyArray = nsArray::Create();
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if (!propertyArray) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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for (auto iter = mPropertyHash.Iter(); !iter.Done(); iter.Next()) {
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const nsAString& key = iter.Key();
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nsIVariant* data = iter.UserData();
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nsSimpleProperty* sprop = new nsSimpleProperty(key, data);
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propertyArray->AppendElement(sprop, false);
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}
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return NS_NewArrayEnumerator(aResult, propertyArray);
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}
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#define IMPL_GETSETPROPERTY_AS(Name, Type) \
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NS_IMETHODIMP \
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nsHashPropertyBagBase::GetPropertyAs ## Name (const nsAString & prop, Type *_retval) \
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{ \
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nsIVariant* v = mPropertyHash.GetWeak(prop); \
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if (!v) \
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return NS_ERROR_NOT_AVAILABLE; \
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return v->GetAs ## Name(_retval); \
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} \
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\
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NS_IMETHODIMP \
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nsHashPropertyBagBase::SetPropertyAs ## Name (const nsAString & prop, Type value) \
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{ \
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nsCOMPtr<nsIWritableVariant> var = new nsVariant(); \
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var->SetAs ## Name(value); \
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return SetProperty(prop, var); \
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}
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IMPL_GETSETPROPERTY_AS(Int32, int32_t)
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IMPL_GETSETPROPERTY_AS(Uint32, uint32_t)
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IMPL_GETSETPROPERTY_AS(Int64, int64_t)
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IMPL_GETSETPROPERTY_AS(Uint64, uint64_t)
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IMPL_GETSETPROPERTY_AS(Double, double)
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IMPL_GETSETPROPERTY_AS(Bool, bool)
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NS_IMETHODIMP
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nsHashPropertyBagBase::GetPropertyAsAString(const nsAString& aProp,
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nsAString& aResult)
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{
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nsIVariant* v = mPropertyHash.GetWeak(aProp);
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if (!v) {
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return NS_ERROR_NOT_AVAILABLE;
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}
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return v->GetAsAString(aResult);
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}
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NS_IMETHODIMP
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nsHashPropertyBagBase::GetPropertyAsACString(const nsAString& aProp,
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nsACString& aResult)
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{
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nsIVariant* v = mPropertyHash.GetWeak(aProp);
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if (!v) {
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return NS_ERROR_NOT_AVAILABLE;
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}
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return v->GetAsACString(aResult);
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}
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NS_IMETHODIMP
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nsHashPropertyBagBase::GetPropertyAsAUTF8String(const nsAString& aProp,
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nsACString& aResult)
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{
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nsIVariant* v = mPropertyHash.GetWeak(aProp);
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if (!v) {
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return NS_ERROR_NOT_AVAILABLE;
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}
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return v->GetAsAUTF8String(aResult);
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}
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NS_IMETHODIMP
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nsHashPropertyBagBase::GetPropertyAsInterface(const nsAString& aProp,
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const nsIID& aIID,
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void** aResult)
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{
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nsIVariant* v = mPropertyHash.GetWeak(aProp);
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if (!v) {
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return NS_ERROR_NOT_AVAILABLE;
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}
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nsCOMPtr<nsISupports> val;
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nsresult rv = v->GetAsISupports(getter_AddRefs(val));
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if (NS_FAILED(rv)) {
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return rv;
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}
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if (!val) {
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// We have a value, but it's null
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*aResult = nullptr;
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return NS_OK;
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}
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return val->QueryInterface(aIID, aResult);
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}
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NS_IMETHODIMP
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nsHashPropertyBagBase::SetPropertyAsAString(const nsAString& aProp,
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const nsAString& aValue)
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{
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nsCOMPtr<nsIWritableVariant> var = new nsVariant();
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var->SetAsAString(aValue);
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return SetProperty(aProp, var);
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}
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NS_IMETHODIMP
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nsHashPropertyBagBase::SetPropertyAsACString(const nsAString& aProp,
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const nsACString& aValue)
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{
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nsCOMPtr<nsIWritableVariant> var = new nsVariant();
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var->SetAsACString(aValue);
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return SetProperty(aProp, var);
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}
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NS_IMETHODIMP
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nsHashPropertyBagBase::SetPropertyAsAUTF8String(const nsAString& aProp,
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const nsACString& aValue)
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{
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nsCOMPtr<nsIWritableVariant> var = new nsVariant();
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var->SetAsAUTF8String(aValue);
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return SetProperty(aProp, var);
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}
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NS_IMETHODIMP
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nsHashPropertyBagBase::SetPropertyAsInterface(const nsAString& aProp,
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nsISupports* aValue)
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{
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nsCOMPtr<nsIWritableVariant> var = new nsVariant();
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var->SetAsISupports(aValue);
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return SetProperty(aProp, var);
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}
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/*
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* nsHashPropertyBag implementation.
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*/
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NS_IMPL_ADDREF(nsHashPropertyBag)
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NS_IMPL_RELEASE(nsHashPropertyBag)
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NS_INTERFACE_MAP_BEGIN(nsHashPropertyBag)
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NS_INTERFACE_MAP_ENTRY(nsIWritablePropertyBag)
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NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsIPropertyBag, nsIWritablePropertyBag)
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NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIWritablePropertyBag)
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NS_INTERFACE_MAP_ENTRY(nsIPropertyBag2)
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NS_INTERFACE_MAP_ENTRY(nsIWritablePropertyBag2)
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NS_INTERFACE_MAP_END
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/*
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* nsHashPropertyBagCC implementation.
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*/
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NS_IMPL_CYCLE_COLLECTION(nsHashPropertyBagCC, mPropertyHash)
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NS_IMPL_CYCLE_COLLECTING_ADDREF(nsHashPropertyBagCC)
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NS_IMPL_CYCLE_COLLECTING_RELEASE(nsHashPropertyBagCC)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(nsHashPropertyBagCC)
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NS_INTERFACE_MAP_ENTRY(nsIWritablePropertyBag)
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NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsIPropertyBag, nsIWritablePropertyBag)
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NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIWritablePropertyBag)
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NS_INTERFACE_MAP_ENTRY(nsIPropertyBag2)
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NS_INTERFACE_MAP_ENTRY(nsIWritablePropertyBag2)
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NS_INTERFACE_MAP_END
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