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Diffstat (limited to 'Firebase/Database/Utilities/NSString+FURLUtils.m')
-rw-r--r-- | Firebase/Database/Utilities/NSString+FURLUtils.m | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/Firebase/Database/Utilities/NSString+FURLUtils.m b/Firebase/Database/Utilities/NSString+FURLUtils.m new file mode 100644 index 0000000..2e018c8 --- /dev/null +++ b/Firebase/Database/Utilities/NSString+FURLUtils.m @@ -0,0 +1,38 @@ +/* + * Copyright 2017 Google + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#import "NSString+FURLUtils.h" + +@implementation NSString (FURLUtils) + +- (NSString *) urlDecoded { + NSString* replaced = [self stringByReplacingOccurrencesOfString:@"+" withString:@" "]; + NSString* decoded = [replaced stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding]; + // This is kind of a hack, but is generally how the js client works. We could run into trouble if + // some piece is a correctly escaped %-sequence, and another isn't. But, that's bad input anyways... + if (decoded) { + return decoded; + } else { + return replaced; + } +} + +- (NSString *) urlEncoded { + CFStringRef urlString = CFURLCreateStringByAddingPercentEscapes(NULL, (__bridge CFStringRef)self, NULL, (CFStringRef)@"!*'\"();:@&=+$,/?%#[]% ", kCFStringEncodingUTF8); + return (__bridge NSString *) urlString; +} + +@end |