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objc: Added a way to truncate descriptions of long data descriptors. #4

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objc: Added a way to truncate descriptions of long data descriptors. #4

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2 changes: 2 additions & 0 deletions objc-appscript/trunk/src/Appscript/objectrenderer.h
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Original file line number Diff line number Diff line change
Expand Up @@ -12,5 +12,7 @@

+(NSString *)formatObject:(id)obj;

+(void)setDataDescriptionTruncation:(NSUInteger)maxBytes;

@end

26 changes: 24 additions & 2 deletions objc-appscript/trunk/src/Appscript/objectrenderer.m
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@

#import "objectrenderer.h"

static NSUInteger dataDescriptionTruncation = (NSUInteger)-1;

@implementation AEMObjectRenderer

Expand Down Expand Up @@ -103,8 +104,26 @@ +(void)formatObject:(id)obj indent:(NSString *)indent result:(NSMutableString *)
[self formatObject: [obj description] indent: @"" result: result];
[result appendString: @"]"];

} else
[result appendFormat: @"%@", obj];
} else if ([obj isKindOfClass:[NSAppleEventDescriptor class]]) {
NSString *s = [obj description];
if ([s hasPrefix:@"<NSAppleEventDescriptor:"]) {
NSArray *bits = [s componentsSeparatedByString:@"$"];
if ([bits count] == 3) {
NSString *d = [bits objectAtIndex:1];
NSUInteger length = [d length];
if (length / 2 > dataDescriptionTruncation) {
s = [NSString stringWithFormat:@"%@%d:$%@...$%@",
[bits objectAtIndex:0],
(int)length / 2,
[d substringToIndex:dataDescriptionTruncation * 2],
[bits objectAtIndex:2]];
}
}
}
[result appendString:s];
} else {
[result appendFormat:@"%@", obj];
}
}


Expand All @@ -117,5 +136,8 @@ +(NSString *)formatObject:(id)obj {
return result;
}

+(void)setDataDescriptionTruncation:(NSUInteger)maxBytes {
dataDescriptionTruncation = maxBytes;
}

@end