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| | | // |
| | | // NSString+YYAdd.h |
| | | // YYCategories <https://github.com/ibireme/YYCategories> |
| | | // |
| | | // Created by ibireme on 13/4/3. |
| | | // Copyright (c) 2015 ibireme. |
| | | // |
| | | // This source code is licensed under the MIT-style license found in the |
| | | // LICENSE file in the root directory of this source tree. |
| | | // |
| | | |
| | | #import <UIKit/UIKit.h> |
| | | |
| | | NS_ASSUME_NONNULL_BEGIN |
| | | |
| | | /** |
| | | Provide hash, encrypt, encode and some common method for 'NSString'. |
| | | */ |
| | | @interface NSString (YYAdd) |
| | | |
| | | #pragma mark - Hash |
| | | ///============================================================================= |
| | | /// @name Hash |
| | | ///============================================================================= |
| | | |
| | | /** |
| | | Returns a lowercase NSString for md2 hash. |
| | | */ |
| | | - (nullable NSString *)md2String; |
| | | |
| | | /** |
| | | Returns a lowercase NSString for md4 hash. |
| | | */ |
| | | - (nullable NSString *)md4String; |
| | | |
| | | /** |
| | | Returns a lowercase NSString for md5 hash. |
| | | */ |
| | | - (nullable NSString *)md5String; |
| | | |
| | | /** |
| | | Returns a lowercase NSString for sha1 hash. |
| | | */ |
| | | - (nullable NSString *)sha1String; |
| | | |
| | | /** |
| | | Returns a lowercase NSString for sha224 hash. |
| | | */ |
| | | - (nullable NSString *)sha224String; |
| | | |
| | | /** |
| | | Returns a lowercase NSString for sha256 hash. |
| | | */ |
| | | - (nullable NSString *)sha256String; |
| | | |
| | | /** |
| | | Returns a lowercase NSString for sha384 hash. |
| | | */ |
| | | - (nullable NSString *)sha384String; |
| | | |
| | | /** |
| | | Returns a lowercase NSString for sha512 hash. |
| | | */ |
| | | - (nullable NSString *)sha512String; |
| | | |
| | | /** |
| | | Returns a lowercase NSString for hmac using algorithm md5 with key. |
| | | @param key The hmac key. |
| | | */ |
| | | - (nullable NSString *)hmacMD5StringWithKey:(NSString *)key; |
| | | |
| | | /** |
| | | Returns a lowercase NSString for hmac using algorithm sha1 with key. |
| | | @param key The hmac key. |
| | | */ |
| | | - (nullable NSString *)hmacSHA1StringWithKey:(NSString *)key; |
| | | |
| | | /** |
| | | Returns a lowercase NSString for hmac using algorithm sha224 with key. |
| | | @param key The hmac key. |
| | | */ |
| | | - (nullable NSString *)hmacSHA224StringWithKey:(NSString *)key; |
| | | |
| | | /** |
| | | Returns a lowercase NSString for hmac using algorithm sha256 with key. |
| | | @param key The hmac key. |
| | | */ |
| | | - (nullable NSString *)hmacSHA256StringWithKey:(NSString *)key; |
| | | |
| | | /** |
| | | Returns a lowercase NSString for hmac using algorithm sha384 with key. |
| | | @param key The hmac key. |
| | | */ |
| | | - (nullable NSString *)hmacSHA384StringWithKey:(NSString *)key; |
| | | |
| | | /** |
| | | Returns a lowercase NSString for hmac using algorithm sha512 with key. |
| | | @param key The hmac key. |
| | | */ |
| | | - (nullable NSString *)hmacSHA512StringWithKey:(NSString *)key; |
| | | |
| | | /** |
| | | Returns a lowercase NSString for crc32 hash. |
| | | */ |
| | | - (nullable NSString *)crc32String; |
| | | |
| | | |
| | | #pragma mark - Encode and decode |
| | | ///============================================================================= |
| | | /// @name Encode and decode |
| | | ///============================================================================= |
| | | |
| | | /** |
| | | Returns an NSString for base64 encoded. |
| | | */ |
| | | - (nullable NSString *)base64EncodedString; |
| | | |
| | | /** |
| | | Returns an NSString from base64 encoded string. |
| | | @param base64Encoding The encoded string. |
| | | */ |
| | | + (nullable NSString *)stringWithBase64EncodedString:(NSString *)base64EncodedString; |
| | | |
| | | /** |
| | | URL encode a string in utf-8. |
| | | @return the encoded string. |
| | | */ |
| | | - (NSString *)stringByURLEncode; |
| | | |
| | | /** |
| | | URL decode a string in utf-8. |
| | | @return the decoded string. |
| | | */ |
| | | - (NSString *)stringByURLDecode; |
| | | |
| | | /** |
| | | Escape commmon HTML to Entity. |
| | | Example: "a<b" will be escape to "a<b". |
| | | */ |
| | | - (NSString *)stringByEscapingHTML; |
| | | |
| | | #pragma mark - Drawing |
| | | ///============================================================================= |
| | | /// @name Drawing |
| | | ///============================================================================= |
| | | |
| | | /** |
| | | Returns the size of the string if it were rendered with the specified constraints. |
| | | |
| | | @param font The font to use for computing the string size. |
| | | |
| | | @param size The maximum acceptable size for the string. This value is |
| | | used to calculate where line breaks and wrapping would occur. |
| | | |
| | | @param lineBreakMode The line break options for computing the size of the string. |
| | | For a list of possible values, see NSLineBreakMode. |
| | | |
| | | @return The width and height of the resulting string's bounding box. |
| | | These values may be rounded up to the nearest whole number. |
| | | */ |
| | | - (CGSize)sizeForFont:(UIFont *)font size:(CGSize)size mode:(NSLineBreakMode)lineBreakMode; |
| | | |
| | | /** |
| | | Returns the width of the string if it were to be rendered with the specified |
| | | font on a single line. |
| | | |
| | | @param font The font to use for computing the string width. |
| | | |
| | | @return The width of the resulting string's bounding box. These values may be |
| | | rounded up to the nearest whole number. |
| | | */ |
| | | - (CGFloat)widthForFont:(UIFont *)font; |
| | | |
| | | /** |
| | | Returns the height of the string if it were rendered with the specified constraints. |
| | | |
| | | @param font The font to use for computing the string size. |
| | | |
| | | @param width The maximum acceptable width for the string. This value is used |
| | | to calculate where line breaks and wrapping would occur. |
| | | |
| | | @return The height of the resulting string's bounding box. These values |
| | | may be rounded up to the nearest whole number. |
| | | */ |
| | | - (CGFloat)heightForFont:(UIFont *)font width:(CGFloat)width; |
| | | |
| | | |
| | | #pragma mark - Regular Expression |
| | | ///============================================================================= |
| | | /// @name Regular Expression |
| | | ///============================================================================= |
| | | |
| | | /** |
| | | Whether it can match the regular expression |
| | | |
| | | @param regex The regular expression |
| | | @param options The matching options to report. |
| | | @return YES if can match the regex; otherwise, NO. |
| | | */ |
| | | - (BOOL)matchesRegex:(NSString *)regex options:(NSRegularExpressionOptions)options; |
| | | |
| | | /** |
| | | Match the regular expression, and executes a given block using each object in the matches. |
| | | |
| | | @param regex The regular expression |
| | | @param options The matching options to report. |
| | | @param block The block to apply to elements in the array of matches. |
| | | The block takes four arguments: |
| | | match: The match substring. |
| | | matchRange: The matching options. |
| | | stop: A reference to a Boolean value. The block can set the value |
| | | to YES to stop further processing of the array. The stop |
| | | argument is an out-only argument. You should only ever set |
| | | this Boolean to YES within the Block. |
| | | */ |
| | | - (void)enumerateRegexMatches:(NSString *)regex |
| | | options:(NSRegularExpressionOptions)options |
| | | usingBlock:(void (^)(NSString *match, NSRange matchRange, BOOL *stop))block; |
| | | |
| | | /** |
| | | Returns a new string containing matching regular expressions replaced with the template string. |
| | | |
| | | @param regex The regular expression |
| | | @param options The matching options to report. |
| | | @param replacement The substitution template used when replacing matching instances. |
| | | |
| | | @return A string with matching regular expressions replaced by the template string. |
| | | */ |
| | | - (NSString *)stringByReplacingRegex:(NSString *)regex |
| | | options:(NSRegularExpressionOptions)options |
| | | withString:(NSString *)replacement; |
| | | |
| | | |
| | | #pragma mark - NSNumber Compatible |
| | | ///============================================================================= |
| | | /// @name NSNumber Compatible |
| | | ///============================================================================= |
| | | |
| | | // Now you can use NSString as a NSNumber. |
| | | @property (readonly) char charValue; |
| | | @property (readonly) unsigned char unsignedCharValue; |
| | | @property (readonly) short shortValue; |
| | | @property (readonly) unsigned short unsignedShortValue; |
| | | @property (readonly) unsigned int unsignedIntValue; |
| | | @property (readonly) long longValue; |
| | | @property (readonly) unsigned long unsignedLongValue; |
| | | @property (readonly) unsigned long long unsignedLongLongValue; |
| | | @property (readonly) NSUInteger unsignedIntegerValue; |
| | | |
| | | |
| | | #pragma mark - Utilities |
| | | ///============================================================================= |
| | | /// @name Utilities |
| | | ///============================================================================= |
| | | |
| | | /** |
| | | Returns a new UUID NSString |
| | | e.g. "D1178E50-2A4D-4F1F-9BD3-F6AAB00E06B1" |
| | | */ |
| | | + (NSString *)stringWithUUID; |
| | | |
| | | /** |
| | | Returns a string containing the characters in a given UTF32Char. |
| | | |
| | | @param char32 A UTF-32 character. |
| | | @return A new string, or nil if the character is invalid. |
| | | */ |
| | | + (NSString *)stringWithUTF32Char:(UTF32Char)char32; |
| | | |
| | | /** |
| | | Returns a string containing the characters in a given UTF32Char array. |
| | | |
| | | @param char32 An array of UTF-32 character. |
| | | @param length The character count in array. |
| | | @return A new string, or nil if an error occurs. |
| | | */ |
| | | + (NSString *)stringWithUTF32Chars:(const UTF32Char *)char32 length:(NSUInteger)length; |
| | | |
| | | /** |
| | | Enumerates the unicode characters (UTF-32) in the specified range of the string. |
| | | |
| | | @param range The range within the string to enumerate substrings. |
| | | @param block The block executed for the enumeration. The block takes four arguments: |
| | | char32: The unicode character. |
| | | range: The range in receiver. If the range.length is 1, the character is in BMP; |
| | | otherwise (range.length is 2) the character is in none-BMP Plane and stored |
| | | by a surrogate pair in the receiver. |
| | | stop: A reference to a Boolean value that the block can use to stop the enumeration |
| | | by setting *stop = YES; it should not touch *stop otherwise. |
| | | */ |
| | | - (void)enumerateUTF32CharInRange:(NSRange)range usingBlock:(void (^)(UTF32Char char32, NSRange range, BOOL *stop))block; |
| | | |
| | | /** |
| | | Trim blank characters (space and newline) in head and tail. |
| | | @return the trimmed string. |
| | | */ |
| | | - (NSString *)stringByTrim; |
| | | |
| | | /** |
| | | Add scale modifier to the file name (without path extension), |
| | | From @"name" to @"name@2x". |
| | | |
| | | e.g. |
| | | <table> |
| | | <tr><th>Before </th><th>After(scale:2)</th></tr> |
| | | <tr><td>"icon" </td><td>"icon@2x" </td></tr> |
| | | <tr><td>"icon " </td><td>"icon @2x" </td></tr> |
| | | <tr><td>"icon.top" </td><td>"icon.top@2x" </td></tr> |
| | | <tr><td>"/p/name" </td><td>"/p/name@2x" </td></tr> |
| | | <tr><td>"/path/" </td><td>"/path/" </td></tr> |
| | | </table> |
| | | |
| | | @param scale Resource scale. |
| | | @return String by add scale modifier, or just return if it's not end with file name. |
| | | */ |
| | | - (NSString *)stringByAppendingNameScale:(CGFloat)scale; |
| | | |
| | | /** |
| | | Add scale modifier to the file path (with path extension), |
| | | From @"name.png" to @"name@2x.png". |
| | | |
| | | e.g. |
| | | <table> |
| | | <tr><th>Before </th><th>After(scale:2)</th></tr> |
| | | <tr><td>"icon.png" </td><td>"icon@2x.png" </td></tr> |
| | | <tr><td>"icon..png"</td><td>"icon.@2x.png"</td></tr> |
| | | <tr><td>"icon" </td><td>"icon@2x" </td></tr> |
| | | <tr><td>"icon " </td><td>"icon @2x" </td></tr> |
| | | <tr><td>"icon." </td><td>"icon.@2x" </td></tr> |
| | | <tr><td>"/p/name" </td><td>"/p/name@2x" </td></tr> |
| | | <tr><td>"/path/" </td><td>"/path/" </td></tr> |
| | | </table> |
| | | |
| | | @param scale Resource scale. |
| | | @return String by add scale modifier, or just return if it's not end with file name. |
| | | */ |
| | | - (NSString *)stringByAppendingPathScale:(CGFloat)scale; |
| | | |
| | | /** |
| | | Return the path scale. |
| | | |
| | | e.g. |
| | | <table> |
| | | <tr><th>Path </th><th>Scale </th></tr> |
| | | <tr><td>"icon.png" </td><td>1 </td></tr> |
| | | <tr><td>"icon@2x.png" </td><td>2 </td></tr> |
| | | <tr><td>"icon@2.5x.png" </td><td>2.5 </td></tr> |
| | | <tr><td>"icon@2x" </td><td>1 </td></tr> |
| | | <tr><td>"icon@2x..png" </td><td>1 </td></tr> |
| | | <tr><td>"icon@2x.png/" </td><td>1 </td></tr> |
| | | </table> |
| | | */ |
| | | - (CGFloat)pathScale; |
| | | |
| | | /** |
| | | nil, @"", @" ", @"\n" will Returns NO; otherwise Returns YES. |
| | | */ |
| | | - (BOOL)isNotBlank; |
| | | |
| | | /** |
| | | Returns YES if the target string is contained within the receiver. |
| | | @param string A string to test the the receiver. |
| | | |
| | | @discussion Apple has implemented this method in iOS8. |
| | | */ |
| | | - (BOOL)containsString:(NSString *)string; |
| | | |
| | | /** |
| | | Returns YES if the target CharacterSet is contained within the receiver. |
| | | @param set A character set to test the the receiver. |
| | | */ |
| | | - (BOOL)containsCharacterSet:(NSCharacterSet *)set; |
| | | |
| | | /** |
| | | Try to parse this string and returns an `NSNumber`. |
| | | @return Returns an `NSNumber` if parse succeed, or nil if an error occurs. |
| | | */ |
| | | - (NSNumber *)numberValue; |
| | | |
| | | /** |
| | | Returns an NSData using UTF-8 encoding. |
| | | */ |
| | | - (NSData *)dataValue; |
| | | |
| | | /** |
| | | Returns NSMakeRange(0, self.length). |
| | | */ |
| | | - (NSRange)rangeOfAll; |
| | | |
| | | /** |
| | | Returns an NSDictionary/NSArray which is decoded from receiver. |
| | | Returns nil if an error occurs. |
| | | |
| | | e.g. NSString: @"{"name":"a","count":2}" => NSDictionary: @[@"name":@"a",@"count":@2] |
| | | */ |
| | | - (id)jsonValueDecoded; |
| | | |
| | | /** |
| | | Create a string from the file in main bundle (similar to [UIImage imageNamed:]). |
| | | |
| | | @param name The file name (in main bundle). |
| | | |
| | | @return A new string create from the file in UTF-8 character encoding. |
| | | */ |
| | | + (NSString *)stringNamed:(NSString *)name; |
| | | |
| | | @end |
| | | |
| | | NS_ASSUME_NONNULL_END |