Objective-C

Unicode Escape

Convert a string to Unicode escaped values. Objective-C

#import <CkoStringBuilder.h>
#import <NSString.h>

BOOL success = NO;

CkoStringBuilder *sb = [[CkoStringBuilder alloc] init];

NSString *str = @"bôn";
NSString *charset = @"not_used";

//  Unicode escape all chars using \uHHHH
success = [sb SetString: str];
[sb Encode: @"unicode-escape-all" charset: charset];
NSLog(@"%@",[sb GetAsString]);
//  Output is \u0062\u00f4\u006e

//  Unicode escape only 8bit chars using \uHHHH
success = [sb SetString: str];
[sb Encode: @"unicode-escape-8bit" charset: charset];
NSLog(@"%@",[sb GetAsString]);
//  Output is b\u00f4n

//  To use uppercase hex chars (A-F), add "-upper" to the encoding name
success = [sb SetString: str];
[sb Encode: @"unicode-escape-all-upper" charset: charset];
NSLog(@"%@",[sb GetAsString]);
//  Output is \u0062\u00F4\u006E

//  Unicode escape all chars using \u{HHHH}
success = [sb SetString: str];
[sb Encode: @"unicode-escape-all-curly-upper" charset: charset];
NSLog(@"%@",[sb GetAsString]);
//  Output is \u{0062}\u{00F4}\u{006E}

//  Unicode escape 8bit chars using HTML hex &#xH;
success = [sb SetString: str];
[sb Encode: @"unicode-escape-8bit-html-hex" charset: charset];
NSLog(@"%@",[sb GetAsString]);
//  Output is b&#xf4;n

//  Unicode escape all chars using HTML decimal &#D;
success = [sb SetString: str];
[sb Encode: @"unicode-escape-all-html-dec" charset: charset];
NSLog(@"%@",[sb GetAsString]);
//  Output is &#98;&#244;&#110;

//  Unicode escape all chars using u+HHHH
success = [sb SetString: str];
[sb Encode: @"unicode-escape-all-plus" charset: charset];
NSLog(@"%@",[sb GetAsString]);
//  Output is u+0062u+00f4u+006e

//  Unicode escape 8bit chars using angled brackets <HHHH>
success = [sb SetString: str];
[sb Encode: @"unicode-escape-8bit-angle-upper" charset: charset];
NSLog(@"%@",[sb GetAsString]);
//  Output is b<00F4>n