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/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either of the GNU General Public License Version 2 or later (the "GPL"),
 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
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 * ***** END LICENSE BLOCK ***** */

#include "nsISupports.idl"
#include "nsISimpleEnumerator.idl"

/*
 * nsICategoryManager
 * @status FROZEN
 */

[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();
};