/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* 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 __nsstreamconverterservice__h___

#define __nsstreamconverterservice__h___

#include "nsIStreamConverterService.h"

#include "nsClassHashtable.h"

#include "nsCOMArray.h"

#include "nsStringFwd.h"

#include "nsTArrayForwardDeclare.h"

class nsAtom;

class nsStreamConverterService : public nsIStreamConverterService {

public:

    /////////////////////////////////////////////////////

    // nsISupports methods

    NS_DECL_ISUPPORTS

    /////////////////////////////////////////////////////

    // nsIStreamConverterService methods

    NS_DECL_NSISTREAMCONVERTERSERVICE

    /////////////////////////////////////////////////////

    // nsStreamConverterService methods

    nsStreamConverterService() = default;

private:

    virtual ~nsStreamConverterService() = default;

    // Responsible for finding a converter for the given MIME-type.

    nsresult FindConverter(const char *aContractID, nsTArray<nsCString> **aEdgeList);

    nsresult BuildGraph(void);

    nsresult AddAdjacency(const char *aContractID);

    nsresult ParseFromTo(const char *aContractID, nsCString &aFromRes, nsCString &aToRes);

    // member variables

    nsClassHashtable<nsCStringHashKey, nsTArray<RefPtr<nsAtom>>>

        mAdjacencyList;

};

#endif // __nsstreamconverterservice__h___