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/**
* Copyright (C) 2015 MongoDB Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the GNU Affero General Public License in all respects
* for all of the code used other than as permitted herein. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you do not
* wish to do so, delete this exception statement from your version. If you
* delete this exception statement from all source files in the program,
* then also delete it in the license file.
*/
#pragma once
#include <array>
#include <jsapi.h>
namespace mongo {
namespace mozjs {
/**
* An enum that includes members for each interned string we own. These values
* can be used with InteredStringId to get a handle to an id that matches that
* identifier, or directly in ObjectWrapper.
*/
enum class InternedString {
#define MONGO_MOZJS_INTERNED_STRING(name, str) name,
#include "mongo/scripting/mozjs/internedstring.defs"
#undef MONGO_MOZJS_INTERNED_STRING
NUM_IDS,
};
/**
* Provides a handle to an interned string id.
*/
class InternedStringId {
public:
InternedStringId(JSContext* cx, InternedString id);
operator JS::HandleId() {
return _id;
}
operator jsid() {
return _id;
}
private:
JS::RootedId _id;
};
/**
* The scope global interned string table. This owns persistent roots to each
* id and can lookup ids by enum identifier
*/
class InternedStringTable {
public:
explicit InternedStringTable(JSContext* cx);
~InternedStringTable();
JS::HandleId getInternedString(InternedString id) {
return _internedStrings[static_cast<std::size_t>(id)];
}
private:
std::array<JS::PersistentRootedId, static_cast<std::size_t>(InternedString::NUM_IDS)>
_internedStrings;
};
} // namespace mozjs
} // namespace mongo
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