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Word character set #151

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Word character set #151

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8c353b1
customizable word character set
pankkor Oct 8, 2015
bca7970
call determineHotWords on wordCharacterSet update
pankkor Oct 8, 2015
966cae6
added wordCharacterSet to header file
pankkor Oct 8, 2015
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1 change: 1 addition & 0 deletions STTweetLabel/STTweetLabel.h
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@ typedef NS_ENUM(NSInteger, STTweetHotWord) {
@property (nonatomic, assign) BOOL textSelectable;
@property (nonatomic, strong) UIColor *selectionColor;
@property (nonatomic, copy) void (^detectionBlock)(STTweetHotWord hotWord, NSString *string, NSString *protocol, NSRange range);
@property (nonatomic, copy) NSCharacterSet *wordCharacterSet;

- (void)setAttributes:(NSDictionary *)attributes;
- (void)setAttributes:(NSDictionary *)attributes hotWord:(STTweetHotWord)hotWord;
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19 changes: 12 additions & 7 deletions STTweetLabel/STTweetLabel.m
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Expand Up @@ -114,6 +114,11 @@ - (void)copy:(id)sender {
#pragma mark - Setup

- (void)setupLabel {
// Define a character set for the complete world (determine the end of the hot word)
NSMutableCharacterSet *wordCharactersSet = [NSMutableCharacterSet alphanumericCharacterSet];
[wordCharactersSet removeCharactersInString:@"!@#$%^&*()-={[]}|;:',<>.?/"];
[wordCharactersSet addCharactersInString:@"_"];
_wordCharacterSet = wordCharactersSet;

// Set the basic properties
[self setBackgroundColor:[UIColor clearColor]];
Expand Down Expand Up @@ -153,11 +158,6 @@ - (void)determineHotWords {
NSString *hotCharacters = @"@#";
NSCharacterSet *hotCharactersSet = [NSCharacterSet characterSetWithCharactersInString:hotCharacters];

// Define a character set for the complete world (determine the end of the hot word)
NSMutableCharacterSet *validCharactersSet = [NSMutableCharacterSet alphanumericCharacterSet];
[validCharactersSet removeCharactersInString:@"!@#$%^&*()-={[]}|;:',<>.?/"];
[validCharactersSet addCharactersInString:@"_"];

_rangesOfHotWords = [[NSMutableArray alloc] init];

while ([tmpText rangeOfCharacterFromSet:hotCharactersSet].location < tmpText.length) {
Expand All @@ -178,14 +178,14 @@ - (void)determineHotWords {

[tmpText replaceCharactersInRange:range withString:@"%"];
// If the hot character is not preceded by a alphanumeric characater, ie email (sebastien@world.com)
if (range.location > 0 && [validCharactersSet characterIsMember:[tmpText characterAtIndex:range.location - 1]])
if (range.location > 0 && [self.wordCharacterSet characterIsMember:[tmpText characterAtIndex:range.location - 1]])
continue;

// Determine the length of the hot word
int length = (int)range.length;

while (range.location + length < tmpText.length) {
BOOL charIsMember = [validCharactersSet characterIsMember:[tmpText characterAtIndex:range.location + length]];
BOOL charIsMember = [self.wordCharacterSet characterIsMember:[tmpText characterAtIndex:range.location + length]];

if (charIsMember)
length++;
Expand Down Expand Up @@ -352,6 +352,11 @@ - (void)setAttributedText:(NSAttributedString *)attributedText {
self.text = _cleanAttributedText.string;
}

- (void)setWordCharacterSet:(NSCharacterSet *)characterSet {
_wordCharacterSet = characterSet;
[self determineHotWords];
}

#pragma mark - Getters

- (NSString *)text {
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