/* 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 http://mozilla.org/MPL/2.0/. */
#ifndef nsCommandParams_h
#define nsCommandParams_h
#include "mozilla/ErrorResult.h"
#include "nsCOMPtr.h"
#include "nsICommandParams.h"
#include "nsString.h"
#include "nsTHashMap.h"
class nsCommandParams : public nsICommandParams {
using ErrorResult = mozilla::ErrorResult;
using IgnoredErrorResult = mozilla::IgnoredErrorResult;
public:
nsCommandParams();
NS_DECL_ISUPPORTS
NS_DECL_NSICOMMANDPARAMS
bool GetBool(
const char* aName, ErrorResult& aRv)
const;
inline bool GetBool(
const char* aName)
const {
IgnoredErrorResult error;
return GetBool(aName, error);
}
int32_t GetInt(
const char* aName, ErrorResult& aRv)
const;
inline int32_t GetInt(
const char* aName)
const {
IgnoredErrorResult error;
return GetInt(aName, error);
}
double GetDouble(
const char* aName, ErrorResult& aRv)
const;
inline double GetDouble(
const char* aName)
const {
IgnoredErrorResult error;
return GetDouble(aName, error);
}
nsresult GetString(
const char* aName, nsAString& aValue)
const;
nsresult GetCString(
const char* aName, nsACString& aValue)
const;
already_AddRefed<nsISupports> GetISupports(
const char* aName,
ErrorResult& aRv)
const;
inline already_AddRefed<nsISupports> GetISupports(
const char* aName)
const {
IgnoredErrorResult error;
return GetISupports(aName, error);
}
nsresult SetBool(
const char* aName,
bool aValue);
nsresult SetInt(
const char* aName, int32_t aValue);
nsresult SetDouble(
const char* aName,
double aValue);
nsresult SetString(
const char* aName,
const nsAString& aValue);
nsresult SetCString(
const char* aName,
const nsACString& aValue);
nsresult SetISupports(
const char* aName, nsISupports* aValue);
protected:
virtual ~nsCommandParams();
template <typename T>
T GenericGet(
const char* aName, ErrorResult& aRv)
const {
MOZ_ASSERT(!aRv.Failed());
auto entry = mValuesHash.Lookup(nsDependentCString(aName));
if (entry && entry->is<T>()) {
return entry->as<T>();
}
T result{};
aRv.
Throw(NS_ERROR_FAILURE);
return result;
}
using EntryVariant = mozilla::Variant<
bool, int32_t,
double, nsString,
nsCString, nsCOMPtr<nsISupports>>;
nsTHashMap<nsCString, EntryVariant> mValuesHash;
};
nsCommandParams* nsICommandParams::AsCommandParams() {
return static_cast<nsCommandParams*>(this);
}
const nsCommandParams* nsICommandParams::AsCommandParams()
const {
return static_cast<
const nsCommandParams*>(this);
}
#endif // nsCommandParams_h
