TextRun textRunWithDirectionality(const String& value,
bool& hasStrongDirectionality) {
TextRun run(value);
TextDirection direction = directionForRun(run, hasStrongDirectionality);
if (hasStrongDirectionality)
run.setDirection(direction);
return run;
}
TextRun constructTextRun(RenderObject* context, const Font& font, const RenderText* text, unsigned offset, unsigned length, RenderStyle* style, TextRun::ExpansionBehavior expansion)
{
ASSERT(offset + length <= text->textLength());
TextRun run = text->is8Bit()
? constructTextRunInternal(context, font, text->characters8() + offset, length, style, LTR, expansion)
: constructTextRunInternal(context, font, text->characters16() + offset, length, style, LTR, expansion);
bool hasStrongDirectionality;
run.setDirection(directionForRun(run, hasStrongDirectionality));
return run;
}
TextRun constructTextRun(const Font& font,
const LineLayoutText text,
unsigned offset,
unsigned length,
const ComputedStyle& style) {
ASSERT(offset + length <= text.textLength());
if (text.hasEmptyText())
return constructTextRunInternal(font, static_cast<const LChar*>(nullptr), 0,
style, LTR);
if (text.is8Bit())
return constructTextRunInternal(font, text.characters8() + offset, length,
style, LTR);
TextRun run = constructTextRunInternal(font, text.characters16() + offset,
length, style, LTR);
run.setDirection(directionForRun(run));
return run;
}
TextDirection determineDirectionality(const String& value,
bool& hasStrongDirectionality) {
TextRun run(value);
return directionForRun(run, hasStrongDirectionality);
}
