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- /*
- * Copyright (c) 2014 Petroules Corporation. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
- * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
- #import "NSProcessInfo_PECocoaBackports.h"
- #if defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE
- #import <UIKit/UIKit.h>
- #elif defined(TARGET_OS_MAC) && TARGET_OS_MAC
- #import <CoreServices/CoreServices.h>
- #endif
- @interface NSProcessInfo (PECocoaBackportsPrivate)
- #if LOAD_OPERATING_SYSTEM_VERSION
- - (NSOperatingSystemVersion)PECocoaBackports_operatingSystemVersion;
- - (BOOL)PECocoaBackports_isOperatingSystemAtLeastVersion:(NSOperatingSystemVersion)version;
- #endif
- @end
- @implementation NSProcessInfo (PECocoaBackportsPrivate)
- + (void)load
- {
- #if LOAD_OPERATING_SYSTEM_VERSION
- // Public API since OS X 10.10 (present since 10.9) and iOS 8.0
- class_addInstanceMethodIfNecessary([self class],
- NSSelectorFromString(@"operatingSystemVersion"),
- @selector(PECocoaBackports_operatingSystemVersion));
-
- // Public API since OS X 10.10 (present since 10.9) and iOS 8.0
- class_addInstanceMethodIfNecessary([self class],
- NSSelectorFromString(@"isOperatingSystemAtLeastVersion:"),
- @selector(PECocoaBackports_isOperatingSystemAtLeastVersion:));
- #endif
- }
- #if LOAD_OPERATING_SYSTEM_VERSION
- - (NSOperatingSystemVersion)PECocoaBackports_operatingSystemVersion
- {
- NSOperatingSystemVersion v = {0, 0, 0};
- SInt32 major = 0, minor = 0, patch = 0;
- #if defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE
- #if !defined(__has_feature) || !__has_feature(objc_arc)
- NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
- #endif
- NSArray *parts = [[[UIDevice currentDevice] systemVersion] componentsSeparatedByString:@"."];
- major = parts.count > 0 ? [[parts objectAtIndex:0] intValue] : 0;
- minor = parts.count > 1 ? [[parts objectAtIndex:1] intValue] : 0;
- patch = parts.count > 2 ? [[parts objectAtIndex:2] intValue] : 0;
- #if !defined(__has_feature) || !__has_feature(objc_arc)
- [pool release];
- #endif
- #elif defined(TARGET_OS_MAC) && TARGET_OS_MAC
- #pragma clang diagnostic push
- #pragma clang diagnostic ignored "-Wdeprecated-declarations"
- if (Gestalt(gestaltSystemVersionMajor, &major) != noErr) return v;
- if (Gestalt(gestaltSystemVersionMinor, &minor) != noErr) return v;
- if (Gestalt(gestaltSystemVersionBugFix, &patch) != noErr) return v;
- #pragma clang diagnostic pop
- #endif
- v.majorVersion = major;
- v.minorVersion = minor;
- v.patchVersion = patch;
- return v;
- }
- - (BOOL)PECocoaBackports_isOperatingSystemAtLeastVersion:(NSOperatingSystemVersion)version
- {
- const NSOperatingSystemVersion systemVersion = [self operatingSystemVersion];
- if (systemVersion.majorVersion == version.majorVersion) {
- if (systemVersion.minorVersion == version.minorVersion) {
- return systemVersion.patchVersion >= version.patchVersion;
- }
- return systemVersion.minorVersion >= version.minorVersion;
- }
- return systemVersion.majorVersion >= version.majorVersion;
- }
- #endif
- @end
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