public static NSAttributedString DoParseIcons(this IIconText iconText)
{
var regex = new Regex("{.*?}");
var text = iconText.Text ?? "";
var stringBuilder = new IconStringBuilder(iconText);
var firstIconGroupEntry = text.IndexOf("{", StringComparison.InvariantCulture);
if (firstIconGroupEntry != -1)
{
stringBuilder.AppendText(text.Substring(0, firstIconGroupEntry));
}
foreach (Match match in regex.Matches(text))
{
var icon = IconFonts.FindIconForKey(match.Value.Replace("{", "").Replace("}", ""));
if (icon != null)
{
stringBuilder.AppendIcon(icon);
}
else
{
stringBuilder.AppendText("?");
}
var nextMatch = match.NextMatch();
if (!string.IsNullOrEmpty(nextMatch.Value))
{
var textToNextIcon = text.Substring(match.Index + match.Length, nextMatch.Index - match.Index - match.Length);
stringBuilder.AppendText(textToNextIcon);
}
else
{
var textToEndOfLine = text.Substring(match.Index + match.Length, text.Length - match.Index - match.Length);
stringBuilder.AppendText(textToEndOfLine);
}
}
return(stringBuilder.Text);
}
public IconStringBuilder(IIconText iconText)
{
_iconText = iconText;
}