Artifact c4c264f1d5947d665c033c6249695d070c2d782cd5033d619bfd735595f19dfd:
- File
src/OFList.h
— part of check-in
[8ff55bf218]
at
2011-07-17 16:38:47
on branch trunk
— Remove -[containsObjectIdenticalTo:] from OFCopying.
It is still implemented by all classes implementing OFCollection so far,
but new classes are not required to implement it anymore.This is required to add OFCountedSet later, which can't support it. (user: js, size: 4701) [annotate] [blame] [check-ins using]
/* * Copyright (c) 2008, 2009, 2010, 2011 * Jonathan Schleifer <js@webkeks.org> * * All rights reserved. * * This file is part of ObjFW. It may be distributed under the terms of the * Q Public License 1.0, which can be found in the file LICENSE.QPL included in * the packaging of this file. * * Alternatively, it may be distributed under the terms of the GNU General * Public License, either version 2 or 3, which can be found in the file * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this * file. */ #import "OFObject.h" #import "OFCollection.h" #import "OFEnumerator.h" #import "OFSerialization.h" typedef struct of_list_object_t of_list_object_t; /** * \brief A list object. * * A struct that contains a pointer to the next list object, the previous list * object and the object. */ struct of_list_object_t { /// A pointer to the next list object in the list of_list_object_t *next; /// A pointer to the previous list object in the list of_list_object_t *previous; /// The object for the list object id object; }; /** * \brief A class which provides easy to use double-linked lists. */ @interface OFList: OFObject <OFCopying, OFCollection, OFFastEnumeration, OFSerialization> { of_list_object_t *firstListObject; of_list_object_t *lastListObject; size_t count; unsigned long mutations; } #ifdef OF_HAVE_PROPERTIES @property (readonly) of_list_object_t *firstListObject; @property (readonly) of_list_object_t *lastListObject; #endif /** * \brief Creates a new OFList. * * \return A new autoreleased OFList */ + list; /** * \brief Returns the first list object of the list. * * \return The first list object of the list */ - (of_list_object_t*)firstListObject; /** * \brief Retrusn the last list object of the list. * * \return The last list object of the list */ - (of_list_object_t*)lastListObject; /** * \brief Appends an object to the list. * * \param object The object to append * \return An of_list_object_t, needed to identify the object inside the list. * For example, if you want to remove an object from the list, you need * its of_list_object_t. */ - (of_list_object_t*)appendObject: (id)object; /** * \brief Prepends an object to the list. * * \param object The object to prepend * \return An of_list_object_t, needed to identify the object inside the list. * For example, if you want to remove an object from the list, you need * its of_list_object_t. */ - (of_list_object_t*)prependObject: (id)object; /** * \brief Inserts an object before another list object. * * \param object The object to insert * \param listObject The of_list_object_t of the object before which it should be * inserted * \return An of_list_object_t, needed to identify the object inside the list. * For example, if you want to remove an object from the list, you need * its of_list_object_t. */ - (of_list_object_t*)insertObject: (id)object beforeListObject: (of_list_object_t*)listObject; /** * \brief Inserts an object after another list object. * * \param object The object to insert * \param listObject The of_list_object_t of the object after which it should be * inserted * \return An of_list_object_t, needed to identify the object inside the list. * For example, if you want to remove an object from the list, you need * its of_list_object_t. */ - (of_list_object_t*)insertObject: (id)object afterListObject: (of_list_object_t*)listObject; /** * \brief Removes the object with the specified list object from the list. * * \param listObject The list object returned by append / prepend */ - (void)removeListObject: (of_list_object_t*)listObject; /** * \brief Checks whether the list contains an object with the specified address. * * \param object The object which is checked for being in the list * \return A boolean whether the list contains an object with the specified * address. */ - (BOOL)containsObjectIdenticalTo: (id)object; /** * \brief Returns the first object of the list or nil. * * The returned object is <i>not</i> retained and autoreleased for performance * reasons! * * \return The first object of the list or nil */ - (id)firstObject; /** * \brief Returns the last object of the list or nil. * * The returned object is <i>not</i> retained and autoreleased for performance * reasons! * * \return The last object of the list or nil */ - (id)lastObject; @end @interface OFListEnumerator: OFEnumerator { OFList *list; of_list_object_t *current; unsigned long mutations; unsigned long *mutationsPtr; } - initWithList: (OFList*)list mutationsPointer: (unsigned long*)mutationsPtr; @end