private static ICssValue GetItem(CssTupleValue tuple, Int32 index)
{
if (tuple.Items.Length > index)
{
return(tuple.Items[index]);
}
return(GetItemSimple(tuple, index / 2));
}
private static ICssValue GetItemSimple(CssTupleValue tuple, Int32 index)
{
if (tuple.Items.Length > index)
{
var nested = tuple.Items[index] as CssTupleValue;
if (nested != null && nested.Items.Length == 3 && nested.Items[0] == null && nested.Items[1] == null)
{
return(nested.Items[2]);
}
}
return(new Constant <Object>(CssKeywords.Auto, null));
}
private static ICssValue CreateValue(CssListValue animatable, CssListValue duration, CssListValue timing, CssListValue delay)
{
var items = (animatable ?? duration ?? timing ?? delay).Items;
var layers = new ICssValue[items.Length];
for (var i = 0; i < items.Length; i++)
{
layers[i] = new CssTupleValue(new[]
{
GetValue(animatable, i),
GetValue(duration, i),
GetValue(timing, i),
GetValue(delay, i),
});
}
return(new CssListValue(layers));
}
private static ICssValue CreateValue(CssListValue duration, CssListValue timing, CssListValue delay, CssListValue iterationCount, CssListValue direction, CssListValue fillMode, CssListValue playState, CssListValue name)
{
var items = (duration ?? timing ?? delay ?? iterationCount ?? direction ?? fillMode ?? playState ?? name).Items;
var layers = new ICssValue[items.Length];
for (var i = 0; i < items.Length; i++)
{
layers[i] = new CssTupleValue(new[]
{
GetValue(duration, i),
GetValue(timing, i),
GetValue(delay, i),
GetValue(iterationCount, i),
GetValue(direction, i),
GetValue(fillMode, i),
GetValue(playState, i),
GetValue(name, i),
});
}
return(new CssListValue(layers));
}
public static ICssValue ParseGridTemplate(this StringSource source)
{
var pos = source.Index;
if (source.IsIdentifier(CssKeywords.None))
{
return(new Identifier(CssKeywords.None));
}
var rows = source.ParseTrackList() ?? source.ParseAutoTrackList();
if (rows != null)
{
var c = source.SkipSpacesAndComments();
if (c == Symbols.Solidus)
{
source.SkipCurrentAndSpaces();
var cols = source.ParseTrackList() ?? source.ParseAutoTrackList();
if (cols != null)
{
source.SkipSpacesAndComments();
return(new GridTemplate(rows, cols, null));
}
}
}
else
{
var rowValues = new List <ICssValue>();
var col = default(ICssValue);
var areaValues = new List <ICssValue>();
var hasValue = false;
while (!source.IsDone)
{
var value = source.ParseGridTemplateAlternative();
if (value == null)
{
break;
}
hasValue = true;
source.SkipSpacesAndComments();
rowValues.Add(new CssTupleValue(new[] { value.Item1, value.Item3, value.Item4 }));
areaValues.Add(new StringValue(value.Item2));
}
if (hasValue)
{
if (source.Current == Symbols.Solidus)
{
source.SkipCurrentAndSpaces();
col = source.ParseExplicitTrackList();
if (col == null)
{
source.BackTo(pos);
return(null);
}
}
var row = new CssTupleValue(rowValues.ToArray());
var area = new CssTupleValue(areaValues.ToArray());
return(new GridTemplate(row, col, area));
}
}
source.BackTo(pos);
return(null);
}
