/** Type-Encoding Helper Copyright (C) 2024 Free Software Foundation, Inc. Written by: Hugo Melder Created: August 2024 This file is part of the GNUstep Base Library. This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 31 Milk Street #960789 Boston, MA 02196 USA. */ #ifndef __TYPE_ENCODING_HELPER_H #define __TYPE_ENCODING_HELPER_H /* * Type-encoding for known structs in Foundation and CoreGraphics. * From macOS 14.4.1 23E224 arm64: * @encoding(NSRect) -> {CGRect={CGPoint=dd}{CGSize=dd}} * @encoding(CGRect) -> {CGRect={CGPoint=dd}{CGSize=dd}} * @encoding(NSPoint) -> {CGPoint=dd} * @encoding(CGPoint) -> {CGPoint=dd} * @encoding(NSSize) -> {CGSize=dd} * @encoding(CGSize) -> {CGSize=dd} * @encoding(NSRange) -> {_NSRange=QQ} * @encoding(CFRange) -> {?=qq} * @encoding(NSEdgeInsets) -> {NSEdgeInsets=dddd} * * Note that NSRange and CFRange are not toll-free bridged. * You cannot pass a CFRange to +[NSValue valueWithRange:] * as type encoding is different. * * We cannot enforce this using static asserts, as @encode * is not a constexpr. It is therefore checked in * Tests/base/KVC/type_encoding.m */ static const char *CGPOINT_ENCODING_PREFIX = "{CGPoint="; static const char *CGSIZE_ENCODING_PREFIX = "{CGSize="; static const char *CGRECT_ENCODING_PREFIX = "{CGRect="; static const char *NSINSETS_ENCODING_PREFIX __attribute__((used)) = "{NSEdgeInsets="; static const char *NSRANGE_ENCODING_PREFIX = "{_NSRange="; #define IS_CGPOINT_ENCODING(encoding) (strncmp(encoding, CGPOINT_ENCODING_PREFIX, strlen(CGPOINT_ENCODING_PREFIX)) == 0) #define IS_CGSIZE_ENCODING(encoding) (strncmp(encoding, CGSIZE_ENCODING_PREFIX, strlen(CGSIZE_ENCODING_PREFIX)) == 0) #define IS_CGRECT_ENCODING(encoding) (strncmp(encoding, CGRECT_ENCODING_PREFIX, strlen(CGRECT_ENCODING_PREFIX)) == 0) #define IS_NSINSETS_ENCODING(encoding) (strncmp(encoding, NSINSETS_ENCODING_PREFIX, strlen(NSINSETS_ENCODING_PREFIX)) == 0) #define IS_NSRANGE_ENCODING(encoding) (strncmp(encoding, NSRANGE_ENCODING_PREFIX, strlen(NSRANGE_ENCODING_PREFIX)) == 0) #endif /* __TYPE_ENCODING_HELPER_H */