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//
// GTMNSString+URLArguments.h
//
// Copyright 2006-2008 Google Inc.
//
// 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 <Foundation/Foundation.h>
/// Utilities for encoding and decoding URL arguments.
@interface NSString (GTMNSStringURLArgumentsAdditions)
/// Returns a string that is escaped properly to be a URL argument.
///
/// This differs from stringByAddingPercentEscapesUsingEncoding: in that it
/// will escape all the reserved characters (per RFC 3986
/// <http://www.ietf.org/rfc/rfc3986.txt>) which
/// stringByAddingPercentEscapesUsingEncoding would leave.
///
/// This will also escape '%', so this should not be used on a string that has
/// already been escaped unless double-escaping is the desired result.
///
/// NOTE: Apps targeting iOS 8 or OS X 10.10 and later should use
/// NSURLComponents and NSURLQueryItem to create properly-escaped
/// URLs instead of using these category methods.
- (NSString*)gtm_stringByEscapingForURLArgument;
/// Returns the unescaped version of a URL argument
///
/// This has the same behavior as stringByReplacingPercentEscapesUsingEncoding:,
/// except that it will also convert '+' to space.
- (NSString*)gtm_stringByUnescapingFromURLArgument;
@end
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