/*
 * Copyright 2011, Ingo Weinhold, ingo_weinhold@gmx.de.
 * Distributed under the terms of the MIT License.
 */
#ifndef UNPACKING_ATTRIBUTE_COOKIE_H
#define UNPACKING_ATTRIBUTE_COOKIE_H


#include "AttributeCookie.h"
#include "StringKey.h"


class AttributeIndexer;
class Package;
class PackageNode;
class PackageNodeAttribute;


class UnpackingAttributeCookie : public AttributeCookie {
public:
                                                                UnpackingAttributeCookie(
                                                                        PackageNode* packageNode,
                                                                        PackageNodeAttribute* attribute,
                                                                        int openMode);
        virtual                                         ~UnpackingAttributeCookie();

        static  status_t                        Open(PackageNode* packageNode,
                                                                        const StringKey& name, int openMode,
                                                                        AttributeCookie*& _cookie);

        virtual status_t                        ReadAttribute(off_t offset, void* buffer,
                                                                        size_t* bufferSize);
        virtual status_t                        ReadAttributeStat(struct stat* st);

        static  status_t                        ReadAttribute(PackageNode* packageNode,
                                                                        PackageNodeAttribute* attribute,
                                                                        off_t offset, void* buffer,
                                                                        size_t* bufferSize);
        static  status_t                        IndexAttribute(PackageNode* packageNode,
                                                                        AttributeIndexer* indexer);

private:
                        PackageNode*            fPackageNode;
                        Package*                        fPackage;
                        PackageNodeAttribute* fAttribute;
                        int                                     fOpenMode;
};


#endif  // UNPACKING_ATTRIBUTE_COOKIE_H