bool LLUrlRegistry::findUrl(const LLWString &text, LLUrlMatch &match, const LLUrlLabelCallback &cb)
{
// boost::regex_search() only works on char or wchar_t
// types, but wchar_t is only 2-bytes on Win32 (not 4).
// So we use UTF-8 to make this work the same everywhere.
std::string utf8_text = wstring_to_utf8str(text);
if (findUrl(utf8_text, match, cb))
{
// we cannot blindly return the start/end offsets from
// the UTF-8 string because it is a variable-length
// character encoding, so we need to update the start
// and end values to be correct for the wide string.
LLWString wurl = utf8str_to_wstring(match.getUrl());
S32 start = text.find(wurl);
if (start == std::string::npos)
{
return false;
}
S32 end = start + wurl.size() - 1;
match.setValues(start, end, match.getUrl(),
match.getLabel(),
match.getTooltip(),
match.getIcon(),
match.getStyle(),
match.getMenuName(),
match.getLocation(),
match.getID(),
match.underlineOnHoverOnly());
return true;
}
return false;
}
void LLTextBox::setWrappedText(const LLStringExplicit& in_text, F32 max_width)
{
if (max_width < 0.0)
{
max_width = (F32)getRect().getWidth();
}
LLWString wtext = utf8str_to_wstring(in_text);
LLWString final_wtext;
LLWString::size_type cur = 0;;
LLWString::size_type len = wtext.size();
while (cur < len)
{
LLWString::size_type end = wtext.find('\n', cur);
if (end == LLWString::npos)
{
end = len;
}
LLWString::size_type runLen = end - cur;
if (runLen > 0)
{
LLWString run(wtext, cur, runLen);
LLWString::size_type useLen =
mFontGL->maxDrawableChars(run.c_str(), max_width, runLen, TRUE);
final_wtext.append(wtext, cur, useLen);
cur += useLen;
}
if (cur < len)
{
if (wtext[cur] == '\n')
{
cur += 1;
}
final_wtext += '\n';
}
}
std::string final_text = wstring_to_utf8str(final_wtext);
setText(final_text);
}