106 lines
3.3 KiB
C
106 lines
3.3 KiB
C
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/* Copyright (c) 2011 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#import <Foundation/Foundation.h>
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#ifndef SKIP_GTL_DEFINES
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#import "GTLDefines.h"
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#endif
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// helper functions for implementing isEqual:
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BOOL GTL_AreEqualOrBothNil(id obj1, id obj2);
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BOOL GTL_AreBoolsEqual(BOOL b1, BOOL b2);
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// Helper to ensure a number is a number.
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//
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// The GoogleAPI servers will send numbers >53 bits as strings to avoid
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// bugs in some JavaScript implementations. Work around this by catching
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// the string and turning it back into a number.
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NSNumber *GTL_EnsureNSNumber(NSNumber *num);
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@interface GTLUtilities : NSObject
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//
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// String encoding
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//
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// URL encoding, different for parts of URLs and parts of URL parameters
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//
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// +stringByURLEncodingString just makes a string legal for a URL
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//
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// +stringByURLEncodingForURI also encodes some characters that are legal in
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// URLs but should not be used in URIs,
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// per http://bitworking.org/projects/atom/rfc5023.html#rfc.section.9.7
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//
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// +stringByURLEncodingStringParameter is like +stringByURLEncodingForURI but
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// replaces space characters with + characters rather than percent-escaping them
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//
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+ (NSString *)stringByURLEncodingString:(NSString *)str;
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+ (NSString *)stringByURLEncodingForURI:(NSString *)str;
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+ (NSString *)stringByURLEncodingStringParameter:(NSString *)str;
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// Percent-encoded UTF-8
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+ (NSString *)stringByPercentEncodingUTF8ForString:(NSString *)str;
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// Key-value coding searches in an array
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//
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// Utilities to get from an array objects having a known value (or nil)
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// at a keyPath
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+ (NSArray *)objectsFromArray:(NSArray *)sourceArray
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withValue:(id)desiredValue
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forKeyPath:(NSString *)keyPath;
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+ (id)firstObjectFromArray:(NSArray *)sourceArray
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withValue:(id)desiredValue
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forKeyPath:(NSString *)keyPath;
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//
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// Version helpers
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//
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+ (NSComparisonResult)compareVersion:(NSString *)ver1 toVersion:(NSString *)ver2;
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//
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// URL builder
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//
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// If there are already query parameters on urlString, the new ones are simple
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// appended after them.
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+ (NSURL *)URLWithString:(NSString *)urlString
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queryParameters:(NSDictionary *)queryParameters;
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// Allocate a global dictionary
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+ (NSMutableDictionary *)newStaticDictionary;
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// Walk up the class tree merging dictionaries and return the result.
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+ (NSDictionary *)mergedClassDictionaryForSelector:(SEL)selector
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startClass:(Class)startClass
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ancestorClass:(Class)ancestorClass
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cache:(NSMutableDictionary *)cache;
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//
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// MIME Types
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//
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// Utility routine to convert a file path to the file's MIME type using
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// Mac OS X's UTI database
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#if !GTL_FOUNDATION_ONLY
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+ (NSString *)MIMETypeForFileAtPath:(NSString *)path
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defaultMIMEType:(NSString *)defaultType;
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#endif
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@end
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