internal static CssProperty CreateProperty(this IBrowsingContext context, String propertyName)
{
var info = context.GetDeclarationInfo(propertyName);
if (context.AllowsDeclaration(info))
{
return(new CssProperty(propertyName, info.Converter, info.Flags));
}
return(null);
}
internal static CssProperty CreateProperty(this IBrowsingContext context, String propertyName)
{
var info = context.GetDeclarationInfo(propertyName);
var provider = context.GetProvider <CssParser>();
if (info.Flags != PropertyFlags.Unknown || context.IsAllowingUnknownDeclarations())
{
return(new CssProperty(propertyName, info.Converter, info.Flags));
}
return(null);
}
public String ToCssBlock(IStyleFormatter formatter)
{
var list = new List <IStyleFormattable>();
var serialized = new List <String>();
foreach (var declaration in Declarations)
{
var property = declaration.Name;
if (!serialized.Contains(property))
{
var info = _context.GetDeclarationInfo(property);
var shorthands = info.Shorthands;
if (shorthands.Any())
{
var longhands = Declarations.Where(m => !serialized.Contains(m.Name)).ToList();
foreach (var shorthandName in shorthands.OrderByDescending(shorthand => _context.GetDeclarationInfo(property).Longhands.Length))
{
var shorthand = _context.GetDeclarationInfo(shorthandName);
var properties = shorthand.Longhands;
var values = new ICssValue[properties.Length];
var important = 0;
var count = 0;
var aggregator = shorthand.Converter as IValueAggregator;
for (var i = 0; i < values.Length; i++)
{
var name = properties[i];
var longhand = longhands.Where(m => m.Name == name).FirstOrDefault();
if (longhand != null)
{
count = count + 1;
important = important + (longhand.IsImportant ? 1 : 0);
count++;
values[i] = longhand.RawValue;
}
}
if (count == 0 || aggregator == null)
{
continue;
}
if (important > 0 && important != count)
{
continue;
}
var value = aggregator.Merge(values);
if (value != null)
{
list.Add(CreateNewProperty(shorthandName, value, important != 0));
foreach (var name in properties)
{
serialized.Add(name);
longhands.RemoveAll(m => m.Name == name);
}
}
}
}
if (!serialized.Contains(property))
{
serialized.Add(property);
list.Add(declaration);
}
}
}
return(formatter.BlockDeclarations(list));
}
