private static string MakeFontTag(EffectAnimationPart part, ref int startTagsCount)
{
var attributes = string.Empty;
if (part.Color != NullColor)
{
attributes = $" color=\"{ToHtml(part.Color)}\"";
}
if (!string.IsNullOrEmpty(part.Face))
{
attributes += $" face=\"{part.Face}\"";
}
if (!string.IsNullOrEmpty(part.Size))
{
attributes += $" size=\"{part.Size}\"";
}
var result = $"<font{attributes.TrimEnd()}>".Replace("<font>", string.Empty);
if (result.Length > 0)
{
startTagsCount++;
}
return(result);
}
public static List <EffectAnimationPart> MakeBase(string text)
{
var i = 0;
var allowedStartTags = new List <string> {
"<i>", "<u>", "<b>", "<font ", "<span "
};
var allowedEndTags = new List <string> {
"</i>", "</u>", "</b>", "</font>", "</span>"
};
var list = new List <EffectAnimationPart>();
EffectAnimationPart p = null;
var color = NullColor;
var face = string.Empty;
var size = string.Empty;
var fontStack = new Stack <EffectAnimationPart>();
while (i < text.Length)
{
var c = text[i];
if (c == '{' && text.Substring(i).StartsWith("{\\") && text.IndexOf('}', i) > 0)
{
var endIndex = text.IndexOf('}', i);
var tag = text.Substring(i, endIndex - i + 1);
i += tag.Length;
if (p == null)
{
p = new EffectAnimationPart {
Color = color, Face = face, Size = size
};
}
else if (!string.IsNullOrEmpty(p.Text))
{
list.Add(p);
p = new EffectAnimationPart {
Color = color, Face = face, Size = size
};
}
p.Pre += tag;
}
else if (c == '<' && allowedStartTags.Any(a => text.Substring(i).StartsWith(a, StringComparison.OrdinalIgnoreCase)) && text.IndexOf('>', i) > 0)
{
var endIndex = text.IndexOf('>', i);
var tag = text.Substring(i, endIndex - i + 1);
i += tag.Length;
if (p == null)
{
p = new EffectAnimationPart {
Color = color, Face = face, Size = size
};
}
else if (!string.IsNullOrEmpty(p.Text))
{
list.Add(p);
p = new EffectAnimationPart {
Color = color, Face = face, Size = size
};
}
if (tag.StartsWith("<font", StringComparison.OrdinalIgnoreCase))
{
fontStack.Push(new EffectAnimationPart {
Color = color, Face = face, Size = size
});
// get color
var tagColor = GetColorFromFontString(tag + "a</font>", NullColor);
if (tagColor != NullColor)
{
p.Color = tagColor;
color = tagColor;
}
// get font name (face)
var fontName = GetAttributeFromFontString(tag, "face");
if (!string.IsNullOrEmpty(fontName))
{
p.Face = fontName;
face = fontName;
}
tag = string.Empty;
}
p.Pre += tag;
}
else if (c == '<' && allowedEndTags.Any(a => text.Substring(i).StartsWith(a, StringComparison.OrdinalIgnoreCase)) && text.IndexOf('>', i) > 0)
{
var endIndex = text.IndexOf('>', i);
var tag = text.Substring(i, endIndex - i + 1);
i += tag.Length;
if (p == null)
{
p = new EffectAnimationPart {
Color = color, Face = face, Size = size
};
}
// set color
if (tag == "</font>")
{
if (fontStack.Count > 0)
{
var f = fontStack.Pop();
color = f.Color;
face = f.Face;
size = f.Size;
}
else
{
color = NullColor;
face = string.Empty;
size = string.Empty;
}
}
tag = string.Empty;
p.Post += tag;
}
else if (c == '\r')
{
if (p == null)
{
p = new EffectAnimationPart {
Color = color, Face = face, Size = size
};
}
else if (!string.IsNullOrEmpty(p.Text))
{
list.Add(p);
p = new EffectAnimationPart {
Color = color, Face = face, Size = size
};
}
p.Text = c.ToString();
i++;
if (i < text.Length && text[i] == '\n') // only take one part for \r\n
{
p.Text += '\n';
i++;
}
}
else
{
if (p == null)
{
p = new EffectAnimationPart {
Color = color, Face = face, Size = size
};
}
else if (!string.IsNullOrEmpty(p.Text))
{
list.Add(p);
p = new EffectAnimationPart {
Color = color, Face = face, Size = size
};
}
p.Text = c.ToString();
i++;
}
}
if (p != null && !string.IsNullOrEmpty(p.Pre + p.Text + p.Post))
{
list.Add(p);
}
return(list);
}
