/* -*- 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"
#include "nsISupportsPrimitives.idl"

interface nsISimpleEnumerator;

%{C++
#include "nsString.h"
%}

/*
 * nsICategoryManager
 */

[scriptable, builtinclass, uuid(de021d54-57a3-4025-ae63-4c8eedbe74c0)]
interface nsICategoryEntry : nsISupportsCString
{
  readonly attribute ACString entry;

  readonly attribute ACString value;
};

[builtinclass, 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.
     */
    ACString getCategoryEntry(in ACString aCategory, in ACString 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
     */
    ACString addCategoryEntry(in ACString aCategory, in ACString aEntry,
                              in ACString 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 ACString aCategory, in ACString aEntry,
                             in boolean aPersist);

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

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


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

    %{C++
    template<size_t N>
    nsresult
    GetCategoryEntry(const char (&aCategory)[N], const nsACString& aEntry,
                     nsACString& aResult)
    {
        return GetCategoryEntry(nsLiteralCString(aCategory),
                                aEntry, aResult);
    }

    template<size_t N, size_t M>
    nsresult
    GetCategoryEntry(const char (&aCategory)[N], const char (&aEntry)[M],
                     nsACString& aResult)
    {
        return GetCategoryEntry(nsLiteralCString(aCategory),
                                nsLiteralCString(aEntry),
                                aResult);
    }

    nsresult
    AddCategoryEntry(const nsACString& aCategory, const nsACString& aEntry,
                     const nsACString& aValue, bool aPersist, bool aReplace)
    {
        nsCString oldValue;
        return AddCategoryEntry(aCategory, aEntry, aValue, aPersist, aReplace,
                                oldValue);
    }

    template<size_t N>
    nsresult
    AddCategoryEntry(const char (&aCategory)[N], const nsACString& aEntry,
                     const nsACString& aValue, bool aPersist, bool aReplace)
    {
        nsCString oldValue;
        return AddCategoryEntry(nsLiteralCString(aCategory), aEntry, aValue,
                                aPersist, aReplace, oldValue);
    }

    template<size_t N>
    nsresult
    DeleteCategoryEntry(const char (&aCategory)[N], const nsACString& aEntry, bool aPersist)
    {
        return DeleteCategoryEntry(nsLiteralCString(aCategory), aEntry, aPersist);
    }


    template<size_t N>
    nsresult
    EnumerateCategory(const char (&aCategory)[N], nsISimpleEnumerator** aResult)
    {
        return EnumerateCategory(nsLiteralCString(aCategory), aResult);
    }
    %}
};