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

#include "nsISupports.idl"

interface nsISimpleEnumerator;

/*
 * nsICategoryManager
 */

[scriptable, uuid(3275b2cd-af6d-429a-80d7-f0c5120342ac)]
interface nsICategoryManager : nsISupports
{
    /**
     * Get the value for the given category's entry.
     * @param aCategory The name of the category ("protocol")
     * @param aEntry The entry you're looking for ("http")
     * @return The value.
     */
    string getCategoryEntry(in string aCategory, in string aEntry);
    
    /**
     * Add an entry to a category.
     * @param aCategory The name of the category ("protocol")
     * @param aEntry The entry to be added ("http")
     * @param aValue The value for the entry ("moz.httprulez.1")
     * @param aPersist Should this data persist between invocations?
     * @param aReplace Should we replace an existing entry?
     * @return Previous entry, if any
     */
    string addCategoryEntry(in string aCategory, in string aEntry,
			    in string aValue, in boolean aPersist,
			    in boolean aReplace);

    /**
     * Delete an entry from the category.
     * @param aCategory The name of the category ("protocol")
     * @param aEntry The entry to be added ("http")
     * @param aPersist Delete persistent data from registry, if present?
     */
    void deleteCategoryEntry(in string aCategory, in string aEntry,
                               in boolean aPersist);

    /**
     * Delete a category and all entries.
     * @param aCategory The category to be deleted.
     */
    void deleteCategory(in string aCategory);

    /**
     * Enumerate the entries in a category.
     * @param aCategory The category to be enumerated.
     * @return a simple enumerator, each result QIs to
     *         nsISupportsCString.
     */
    nsISimpleEnumerator enumerateCategory(in string aCategory);

    /**
     * Enumerate all existing categories
     * @param aCategory The category to be enumerated.
     * @return a simple enumerator, each result QIs to
     *         nsISupportsCString.
     */
    nsISimpleEnumerator enumerateCategories();
};