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Use attachments with data URLs #1

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Use attachments with data URLs #1

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5e1cc87
parse data: URLs when creating attachments
Dec 3, 2018
00d4891
check for errors when parsing data URLs
Dec 3, 2018
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15 changes: 15 additions & 0 deletions BodymovinQL/BodymovinPreview.m
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Original file line number Diff line number Diff line change
Expand Up @@ -92,6 +92,9 @@ - (NSDictionary *) previewProperties {
//append animation assets
if (attachmentsCount > 1) {
for (NSString *assetsFile in _assets) {
if ([assetsFile hasPrefix:@"data:"] && attachData(assetsFile, attachments)) {
continue;
}
attach(_fileURL, attachments, [self mimeTypeForFileAtPath:assetsFile], assetsFile);
}
}
Expand All @@ -118,4 +121,16 @@ static void attach(NSURL *attachURL, NSMutableDictionary* attachments, NSString*
NSDictionary* attachment = [NSMutableDictionary dictionaryWithObjectsAndKeys:type, (NSString *)kQLPreviewPropertyMIMETypeKey, data, (NSString *)kQLPreviewPropertyAttachmentDataKey, nil];
[attachments setObject:attachment forKey:fileName];
}

static BOOL attachData(NSString *dataURL, NSMutableDictionary* attachments)
{
NSRange semicolonRange = [dataURL rangeOfString:@";"];
NSData *data = [NSData dataWithContentsOfURL:[NSURL URLWithString:dataURL]];
if (semicolonRange.location == NSNotFound || data == nil)
return NO;
NSString *type = [dataURL substringWithRange:NSMakeRange(5, semicolonRange.location-5)];
NSDictionary* attachment = [NSMutableDictionary dictionaryWithObjectsAndKeys:type, (NSString *)kQLPreviewPropertyMIMETypeKey, data, (NSString *)kQLPreviewPropertyAttachmentDataKey, nil];
[attachments setObject:attachment forKey:dataURL];
return YES;
}
@end