private static void TryParseElement(SvgStats stats, XmlElement e)
{
stats.ElementCount += 1;
if (e.Name == "g")
{
if (e.HasAttribute("inkscape:groupmode") && e.GetAttribute("inkscape:groupmode").ToLowerInvariant() == "layer")
{
stats.LayerCount += 1;
}
else
{
stats.GroupCount += 1;
}
}
else if (e.HasAttribute("clip-path"))
{
stats.ClipCount += 1;
}
else if (e.HasAttribute("mask") && e.GetAttribute("mask").ToLowerInvariant() != "none")
{
stats.MaskCount += 1;
}
TryParseElementColour(stats, e);
}
public static SvgStats TryParse(string filePath)
{
if (!File.Exists(filePath))
{
return(null);
}
try
{
SvgStats stats = new SvgStats();
XmlDocument document = new XmlDocument();
document.Load(filePath);
HashSet <string> ignore = new HashSet <string>()
{
"svg", "metadata", "namedview"
};
foreach (XmlElement e in document.SelectNodes("//*"))
{
if (ignore.Contains(e.LocalName))
{
continue;
}
TryParseElement(stats, e);
}
stats.SortColours();
return(stats);
}
catch (Exception e)
{
Console.WriteLine(e);
return(null);
}
}
private static void TryParseElementColour(SvgStats stats, XmlElement e)
{
// Parse colours which are direct attributes of the XML element.
if (e.HasAttribute("fill"))
{
Color c = Color.Parse(e.GetAttribute("fill"));
stats.AddColour(c);
}
if (e.HasAttribute("stroke"))
{
Color c = Color.Parse(e.GetAttribute("stroke"));
stats.AddColour(c);
}
if (e.HasAttribute("stop-color"))
{
Color c = Color.Parse(e.GetAttribute("stop-color"));
stats.AddColour(c);
}
// Parse colours which are part of a style attribute.
if (!e.HasAttribute("style"))
{
return;
}
string style = e.GetAttribute("style").TrimEnd(';');
foreach (string attribute in style.Split(';'))
{
string[] x = attribute.Split(':');
if (x.Length < 2)
{
continue;
}
string key = x[0];
string value = x[1];
switch (key)
{
case "fill":
case "stroke":
case "stop-color":
{
Color c = new Color();
if (Color.TryParse(value, out c))
{
stats.AddColour(c);
}
break;
}
}
}
}
