NULL-safe escapeHTML:

RomainMuller · RomainMuller · commit 12bb9623a477 · 2011-05-09T22:19:06.000-07:00
diff --git a/GLFileView.m b/GLFileView.m
@@ -242,6 +242,8 @@ - (void)closeView
 
 + (NSString *) escapeHTML:(NSString *)txt
 {
+    if (txt == nil)
+        return txt;
     NSMutableString *newTxt = [NSMutableString stringWithString:txt];
 	[newTxt replaceOccurrencesOfString:@"&" withString:@"&amp;" options:NSLiteralSearch range:NSMakeRange(0, [newTxt length])];
 	[newTxt replaceOccurrencesOfString:@"<" withString:@"&lt;" options:NSLiteralSearch range:NSMakeRange(0, [newTxt length])];

Original file line number	Diff line number	Diff line change
`@@ -242,6 +242,8 @@ - (void)closeView`
`242`	`242`
`243`	`243`	`+ (NSString ) escapeHTML:(NSString )txt`
`244`	`244`	`{`
	`245`	`+ if (txt == nil)`
	`246`	`+ return txt;`
`245`	`247`	`NSMutableString *newTxt = [NSMutableString stringWithString:txt];`
`246`	`248`	`[newTxt replaceOccurrencesOfString:@"&" withString:@"&" options:NSLiteralSearch range:NSMakeRange(0, [newTxt length])];`
`247`	`249`	`[newTxt replaceOccurrencesOfString:@"<" withString:@"<" options:NSLiteralSearch range:NSMakeRange(0, [newTxt length])];`