public IEnumerable<TextTag> Highlight(TextTag text)
{
_targetTag = text;
var pattern = BuildPattern();
if(string.IsNullOrWhiteSpace(pattern))
return new [] { text };
var splits = Regex.Split(text.Text, pattern);
return CreateTags(splits, Matches, Modify);
}
public IEnumerable<TextTag> Highlight(TextTag text)
{
var tags = new List<TextTag>();
var start = 0;
var matches = Regex.Matches(text.Text, Pattern, RegexOptions.Singleline);
foreach(Match match in matches)
{
TextTag.For(text.Text.Substring(start, match.Index - start), text).IfNotNull(tags.Add);
start = match.Index + match.Length;
var matchedTag = TextTag.For(match.Groups[1].Value, text);
Modify(matchedTag, match);
matchedTag.IfNotNull(tags.Add);
}
if(start < text.Text.Length)
{
TextTag.For(text.Text.Substring(start, text.Text.Length - start), text).IfNotNull(tags.Add);
}
return tags;
}
public IEnumerable<TextTag> For(TextTag text)
{
var results = new List<TextTag>();
results.Add(text);
_highlighters.Apply(h => {
for (int i = 0; i < results.Count; i++) {
var tag = results[i];
results.RemoveAt(i);
var tags = h.Highlight(tag);
results.InsertRange(i, tags);
i+= tags.Count() - 1;
}
});
results.Apply(t => {
t.Text = Regex.Replace(t.Text, "<[^>]*>", string.Empty);
});
return results;
}
public bool Equals(TextTag other)
{
return string.Equals(Text, other.Text);
}
public static TextTag For(string text, TextTag tag)
{
return For(text, tag.Color, tag.Mono);
}
public void Append(TextTag tag)
{
_textView.BeginInvokeOnMainThread(() => {
var text = tag.Text.Replace("<", "<").Replace(">", ">");
var defaultSettings = new DefaultSettings();
var defaultColor = _highlightSettings.Get(HighlightKeys.Default).Color;
var color = !string.IsNullOrWhiteSpace(tag.Color) ? tag.Color : defaultColor;
var font = tag.Mono ? defaultSettings.MonoFont : defaultSettings.Font;
var scroll = _textView.EnclosingScrollView.VerticalScroller.FloatValue == 1.0f;
//textView.TextStorage.BeginEditing();
_textView.TextStorage.Append(text.CreateString(color.ToNSColor(), font));
//textView.TextStorage.EndEditing();
if(scroll)
_textView.ScrollRangeToVisible(new NSRange(_textView.Value.Length, 0));
});
}
private void Log(TextTag text)
{
var prompt = _gameServer.GameState.Get(ComponentKeys.Prompt);
if (string.Equals(text.Text.Trim(), prompt)
&& _mainTextViewWrapper.EndsWith(prompt, true))
return;
var highlights = _services.Get<Highlights>();
highlights.For(text).Apply(t => _mainTextViewWrapper.Append(t));
}
