43 lines
1.1 KiB
C#
43 lines
1.1 KiB
C#
|
using System;
|
|||
|
|
using System.Collections.Generic;
|
|||
|
|
using System.Linq;
|
|||
|
|
using System.Text;
|
|||
|
|
using System.Threading.Tasks;
|
|||
|
|
using System.Text.RegularExpressions;
|
|||
|
|
|
|||
|
|
namespace StyleSheetsParser
|
|||
|
|
{
|
|||
|
|
public class CssKeyframeSelector:CssSelector
|
|||
|
|
{
|
|||
|
|
public CssKeyframeSelector(string name, IList<CssAttribute> attrs) : base(name, attrs) { }
|
|||
|
|
bool? _percent;
|
|||
|
|
public bool IsPercent
|
|||
|
|
{
|
|||
|
|
get
|
|||
|
|
{
|
|||
|
|
if (!_percent.HasValue)
|
|||
|
|
{
|
|||
|
|
_percent = Regex.IsMatch(Name, @"^\d+[%]$");
|
|||
|
|
}
|
|||
|
|
return _percent.Value;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
bool? _isValid;
|
|||
|
|
public override bool IsValid
|
|||
|
|
{
|
|||
|
|
get
|
|||
|
|
{
|
|||
|
|
if (!_isValid.HasValue)
|
|||
|
|
{
|
|||
|
|
///选择器必须符合如下的名称否则视为无效的
|
|||
|
|
Regex rgx = new Regex(@"^from|to|\d+[%]$");
|
|||
|
|
_isValid = rgx.IsMatch(Name);
|
|||
|
|
}
|
|||
|
|
return _isValid.Value;
|
|||
|
|
}
|
|||
|
|
set { _isValid = value; }
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
}
|