Separate out the creation of a human readable string from the number of bytes into a category class method of NSString so we can potentially use it in other places.

1 files changed, 69 insertions, 0 deletions

diff --git a/Source/SPStringAdditions.m b/Source/SPStringAdditions.m
new file mode 100644
index 00000000..a51df693
--- /dev/null
+++ b/Source/SPStringAdditions.m
@@ -0,0 +1,69 @@
+//
+//  SPStringAdditions.m
+//  sequel-pro
+//
+//  Created by Stuart Connolly (stuconnolly.com) on Jan 28, 2009
+//
+//  This program is free software; you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation; either version 2 of the License, or
+//  (at your option) any later version.
+//
+//  This program 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 General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program; if not, write to the Free Software
+//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+//
+//  More info at <http://code.google.com/p/sequel-pro/>
+
+#import "SPStringAdditions.h"
+
+@implementation NSString (SPStringAdditions)
+
+// -------------------------------------------------------------------------------
+// stringForByteSize:
+//
+// Returns a human readable version string of the supplied byte size.
+// -------------------------------------------------------------------------------
++ (NSString *)stringForByteSize:(int)byteSize
+{
+	float size = byteSize;
+	
+	NSNumberFormatter *numberFormatter = [[[NSNumberFormatter alloc] init] autorelease];
+	
+	[numberFormatter setNumberStyle:NSNumberFormatterDecimalStyle];
+	
+	if (size < 1023) {
+		[numberFormatter setFormat:@"#,##0 B"];
+		
+		return [numberFormatter stringFromNumber:[NSNumber numberWithInt:size]];
+	}
+	
+	size = (size / 1024);
+	
+	if (size < 1023) {
+		[numberFormatter setFormat:@"#,##0.0 KB"];
+		
+		return [numberFormatter stringFromNumber:[NSNumber numberWithFloat:size]];
+	}
+	
+	size = (size / 1024);
+	
+	if (size < 1023) {
+		[numberFormatter setFormat:@"#,##0.0 MB"];
+		
+		return [numberFormatter stringFromNumber:[NSNumber numberWithFloat:size]];
+	}
+	
+	size = (size / 1024);
+	
+	[numberFormatter setFormat:@"#,##0.0 GB"];
+	
+	return [numberFormatter stringFromNumber:[NSNumber numberWithFloat:size]];
+}
+
+@end