From cdf070c8d76ffc4eaa24e8671756cbbe9ceb2890 Mon Sep 17 00:00:00 2001
From: thomasvl <thomasvl@7dc7ac4e-7543-0410-b95c-c1676fc8e2a3>
Date: Mon, 14 Apr 2008 17:21:02 +0000
Subject: See the ReleaseNotes for the full details, highlights: - bug fixes -
 code coverage support - more complete unittests - full support for
 unittesting UIs - support for the iphone sdk (include ui unittesting)

---
 Foundation/GTMSystemVersion.m | 107 ++++++++++++++++++------------------------
 1 file changed, 45 insertions(+), 62 deletions(-)

(limited to 'Foundation/GTMSystemVersion.m')

diff --git a/Foundation/GTMSystemVersion.m b/Foundation/GTMSystemVersion.m
index d9b1923..a2e4d7b 100644
--- a/Foundation/GTMSystemVersion.m
+++ b/Foundation/GTMSystemVersion.m
@@ -17,88 +17,71 @@
 //
 
 #import "GTMSystemVersion.h"
-#import <Carbon/Carbon.h>
-#import <stdlib.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 {
-  long major, minor;
-  [self getMajor:&major minor:&minor bugFix:nil];
-  return major == 10 && minor == 3;
+  return sGTMSystemVersionMajor == 10 && sGTMSystemVersionMinor == 3;
 }
 
 + (BOOL)isTiger {
-  long major, minor;
-  [self getMajor:&major minor:&minor bugFix:nil];
-  return major == 10 && minor == 4;
+  return sGTMSystemVersionMajor == 10 && sGTMSystemVersionMinor == 4;
 }
 
 + (BOOL)isLeopard {
-  long major, minor;
-  [self getMajor:&major minor:&minor bugFix:nil];
-  return major == 10 && minor == 5;
+  return sGTMSystemVersionMajor == 10 && sGTMSystemVersionMinor == 5;
 }
 
 + (BOOL)isPantherOrGreater {
-  long major, minor;
-  [self getMajor:&major minor:&minor bugFix:nil];
-  return (major > 10) || (major == 10 && minor >= 3);
+  return (sGTMSystemVersionMajor > 10) || 
+          (sGTMSystemVersionMajor == 10 && sGTMSystemVersionMinor >= 3);
 }
 
 + (BOOL)isTigerOrGreater {
-  long major, minor;
-  [self getMajor:&major minor:&minor bugFix:nil];
-  return (major > 10) || (major == 10 && minor >= 4);
+  return (sGTMSystemVersionMajor > 10) || 
+          (sGTMSystemVersionMajor == 10 && sGTMSystemVersionMinor >= 4);
 }
 
 + (BOOL)isLeopardOrGreater {
-  long major, minor;
-  [self getMajor:&major minor:&minor bugFix:nil];
-  return (major > 10) || (major == 10 && minor >= 5);
+  return (sGTMSystemVersionMajor > 10) || 
+          (sGTMSystemVersionMajor == 10 && sGTMSystemVersionMinor >= 5);
 }
 
-+ (void)getMajor:(long*)major minor:(long*)minor bugFix:(long*)bugFix {
-  long binaryCodedDec;
-  
-  if (major) {
-    require_noerr(Gestalt(gestaltSystemVersionMajor, major), failedGestalt);
-  }
-  if (minor) {
-    require_noerr(Gestalt(gestaltSystemVersionMinor, minor), failedGestalt);
-  }
-  if (bugFix) {
-    require_noerr(Gestalt(gestaltSystemVersionBugFix, bugFix), failedGestalt);
-  }
-  return;
-
-failedGestalt:
-  // gestaltSystemVersionMajor et al are only on 10.4 and above, so they
-  // could fail if we have this code on 10.3.
-  if (Gestalt(gestaltSystemVersion, &binaryCodedDec)) {
-    // not much else we can do...
-    if (major)  *major = 0;
-    if (minor)  *minor = 0;
-    if (bugFix) *bugFix = 0;
-    return;
-  }
-  
-  // Note that this code will return x.9.9 for any system rev parts that are
-  // greater than 9 (ie 10.10.10 will be 10.9.9. This shouldn't ever be a
-  // problem  as the code above takes care of this for any system above 10.4.
-  if (major) {
-    int msb = (binaryCodedDec & 0x0000F000L) >> 12;
-    msb *= 10;
-    int lsb = (binaryCodedDec & 0x00000F00L) >> 8;
-    *major = msb + lsb;
-  }
-  if (minor) {
-    *minor = (binaryCodedDec & 0x000000F0L) >> 4;
-  }
-  if (bugFix) {
-    *bugFix = (binaryCodedDec & 0x0000000FL);
-  }
-  
-}
+#endif // GTM_IPHONE_SDK
 
 @end
-- 
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