internal CssStyleDeclaration DeepCopy(ISvgStylable parent)
{
var item = new List<string>(this._items);
var cache = new Dictionary<string, Tuple<string, ICssValue>>();
foreach (var c in this._cache)
{
ICssValue value;
var target = c.Value.Item2;
if (target.GetType() == typeof(SvgPaint) || target.GetType() == typeof(SvgColor))
{
value = ((SvgColor)c.Value.Item2).Clone();
}
else if (target.GetType() == typeof(SvgNumber) || target.GetType() == typeof(SvgLength))
{
value = c.Value.Item2;
}
else if (target.GetType() == typeof(SvgIri))
{
value = new SvgIri(((SvgIri)c.Value.Item2).Uri);
}
else
{
throw new InvalidOperationException();
}
cache.Add(c.Key, Tuple.Create(c.Value.Item1, value));
}
return new CssStyleDeclaration(parent, item, cache);
}
private Tuple<string, ICssValue> ParseValue(string name, string value, string priority, bool presentation)
{
var important = priority == "important";
if (!presentation) name = name.ToLower();
ICssValue parsedValue = null;
switch (name)
{
case "fill":
case "stroke":
parsedValue = new SvgPaint(value);
break;
case "stroke-width":
parsedValue = SvgLength.Parse(value, presentation);
break;
case "stop-color":
parsedValue = new SvgColor(value);
break;
case "fill-opacity":
case "stroke-opacity":
case "stop-opacity":
case "opacity":
parsedValue = SvgNumber.Parse(value, 0.0F, 1.0F);
break;
case "clip-path":
parsedValue = new SvgIri(value);
break;
case "fill-rule":
case "clip-rule":
parsedValue = new SvgFillRule(presentation ? value : value.ToLower());
break;
}
if (!this._cache.ContainsKey(name))
{
var result = Tuple.Create(value, parsedValue);
this._cache.Add(name, result);
return result;
}
else if (important)
{
var result = Tuple.Create(value, parsedValue);
this._cache[name] = result;
return result;
}
return null;
}
