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Add support for BOLD-ITALIC string #1

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Merged
MarcRadCan merged 1 commit into from
Jun 27, 2016
Merged

Add support for BOLD-ITALIC string #1

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27 changes: 25 additions & 2 deletions NSAttributedString+DDHTML/NSAttributedString+DDHTML.m
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Original file line number Diff line number Diff line change
Expand Up @@ -181,15 +181,19 @@ + (NSAttributedString *)attributedStringFromNode:(xmlNodePtr)xmlNode normalFont:
if (strncmp("b", (const char *)xmlNode->name, strlen((const char *)xmlNode->name)) == 0 ||
strncmp("strong", (const char *)xmlNode->name, strlen((const char *)xmlNode->name)) == 0) {
if (boldFont) {
[nodeAttributedString addAttribute:NSFontAttributeName value:boldFont range:nodeAttributedStringRange];
if (![NSAttributedString applyBoldItalicToAttributedString:nodeAttributedString ifMatchFontIsPresent:italicFont forRange:nodeAttributedStringRange]) {
[nodeAttributedString addAttribute:NSFontAttributeName value:boldFont range:nodeAttributedStringRange];
}
}
}

// Italic Tag
else if (strncmp("i", (const char *)xmlNode->name, strlen((const char *)xmlNode->name)) == 0 ||
strncmp("em", (const char *)xmlNode->name, strlen((const char *)xmlNode->name)) == 0) {
if (italicFont) {
[nodeAttributedString addAttribute:NSFontAttributeName value:italicFont range:nodeAttributedStringRange];
if (![NSAttributedString applyBoldItalicToAttributedString:nodeAttributedString ifMatchFontIsPresent:boldFont forRange:nodeAttributedStringRange]) {
[nodeAttributedString addAttribute:NSFontAttributeName value:italicFont range:nodeAttributedStringRange];
}
}
}

Expand Down Expand Up @@ -504,4 +508,23 @@ + (ListInfo *)getListInfoFromNode:(xmlNodePtr)xmlNode {
return listInfo;
}

+ (BOOL)applyBoldItalicToAttributedString:(NSMutableAttributedString *)attributedString ifMatchFontIsPresent:(UIFont *)matchFont forRange:(NSRange)range {
__block BOOL wasChanged = NO;

[attributedString enumerateAttribute:NSFontAttributeName inRange:range options:NSAttributedStringEnumerationLongestEffectiveRangeNotRequired usingBlock:^(id value, NSRange range, BOOL *stop) {
if (value) {
UIFont *currentFont = (UIFont *)value;

if (currentFont == matchFont) {
stop = YES;
wasChanged = YES;
UIFontDescriptor *fontD = [currentFont.fontDescriptor fontDescriptorWithSymbolicTraits:UIFontDescriptorTraitBold | UIFontDescriptorTraitItalic];
[attributedString addAttribute:NSFontAttributeName value:[UIFont fontWithDescriptor:fontD size:currentFont.pointSize] range:range];
}
}
}];

return wasChanged;
}

@end