Artifact de7fc1853cea1796255672a8e816104777a238b9f7598b6e1b93a0fdaed4fc0a:
- File
src/OFCharacterSet.h
— part of check-in
[496695d778]
at
2019-09-29 19:35:38
on branch trunk
— Either restrict subclassing or reserve ivar space
This allows ABI stability with the fragile ABI. (user: js, size: 2839) [annotate] [blame] [check-ins using] [more...]
/* * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, * 2018, 2019 * Jonathan Schleifer <js@heap.zone> * * 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 "OFString.h" OF_ASSUME_NONNULL_BEGIN /*! * @class OFCharacterSet OFCharacterSet.h ObjFW/OFCharacterSet.h * * @brief A class cluster representing a character set. * * @note Subclasses must implement @ref characterIsMember:. */ @interface OFCharacterSet: OFObject { OF_RESERVE_IVARS(4) } #ifdef OF_HAVE_CLASS_PROPERTIES @property (class, readonly, nonatomic) OFCharacterSet *whitespaceCharacterSet; #endif /*! * @brief The inverted set, containing only the characters that do not exist in * the receiver. */ @property (readonly, nonatomic) OFCharacterSet *invertedSet; /*! * @brief Creates a new character set containing the characters of the * specified string. * * @param characters The characters for the character set * @return A new OFCharacterSet */ + (instancetype)characterSetWithCharactersInString: (OFString *)characters; /*! * @brief Creates a new character set containing the characters in the specified * range. * * @param range The range of characters for the character set * @return A new OFCharacterSet */ + (instancetype)characterSetWithRange: (of_range_t)range; /*! * @brief A character set containing all Unicode characters in the category * `Zs` plus CHARACTER TABULATION (U+0009). */ + (OFCharacterSet *)whitespaceCharacterSet; /*! * @brief Initializes an already allocated character set with the characters of * the specified string. * * @param characters The characters for the character set * @return An initialized OFCharacterSet */ - (instancetype)initWithCharactersInString: (OFString *)characters; /*! * @brief Initializes an already allocated character set with the characters in * the specified range. * * @param range The range of characters for the character set * @return An initialized OFCharacterSet */ - (instancetype)initWithRange: (of_range_t)range; /*! * @brief Returns whether the specified character is a member of the character * set. * * @param character The character that is checked for being a member of the * character set * @return Whether the specified character is a member of the character set. */ - (bool)characterIsMember: (of_unichar_t)character; @end OF_ASSUME_NONNULL_END