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//
// GTMSystemVersion.m
//
// Copyright 2007-2008 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy
// of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
//
#import "GTMSystemVersion.h"
static int sGTMSystemVersionMajor = 0;
static int sGTMSystemVersionMinor = 0;
static int sGTMSystemVersionBugFix = 0;
@implementation GTMSystemVersion
+ (void)initialize {
if (self == [GTMSystemVersion class]) {
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
NSDictionary *systemVersionPlist = [NSDictionary dictionaryWithContentsOfFile:@"/System/Library/CoreServices/SystemVersion.plist"];
NSString *version = [systemVersionPlist objectForKey:@"ProductVersion"];
_GTMDevAssert(version, @"Unable to get version");
NSArray *versionInfo = [version componentsSeparatedByString:@"."];
int length = [versionInfo count];
_GTMDevAssert(length > 1 && length < 4, @"Unparseable version %@", version);
sGTMSystemVersionMajor = [[versionInfo objectAtIndex:0] intValue];
_GTMDevAssert(sGTMSystemVersionMajor != 0, @"Unknown version for %@", version);
sGTMSystemVersionMinor = [[versionInfo objectAtIndex:1] intValue];
if (length == 3) {
sGTMSystemVersionBugFix = [[versionInfo objectAtIndex:2] intValue];
}
[pool release];
}
}
+ (void)getMajor:(long*)major minor:(long*)minor bugFix:(long*)bugFix {
if (major) {
*major = sGTMSystemVersionMajor;
}
if (minor) {
*minor = sGTMSystemVersionMinor;
}
if (major) {
*bugFix = sGTMSystemVersionBugFix;
}
}
#if GTM_MACOS_SDK
+ (BOOL)isPanther {
return sGTMSystemVersionMajor == 10 && sGTMSystemVersionMinor == 3;
}
+ (BOOL)isTiger {
return sGTMSystemVersionMajor == 10 && sGTMSystemVersionMinor == 4;
}
+ (BOOL)isLeopard {
return sGTMSystemVersionMajor == 10 && sGTMSystemVersionMinor == 5;
}
+ (BOOL)isPantherOrGreater {
return (sGTMSystemVersionMajor > 10) ||
(sGTMSystemVersionMajor == 10 && sGTMSystemVersionMinor >= 3);
}
+ (BOOL)isTigerOrGreater {
return (sGTMSystemVersionMajor > 10) ||
(sGTMSystemVersionMajor == 10 && sGTMSystemVersionMinor >= 4);
}
+ (BOOL)isLeopardOrGreater {
return (sGTMSystemVersionMajor > 10) ||
(sGTMSystemVersionMajor == 10 && sGTMSystemVersionMinor >= 5);
}
#endif // GTM_IPHONE_SDK
@end
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