OSPath.cs

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using static System.IO.Path;
 
namespace SAPTeam.EasySign.UnifiedPath
{
    public class OSPath
    {
        public static readonly OSPath Empty = "";
 
        public static bool IsWindows => DirectorySeparatorChar == '\\';
 
        public OSPath(string text) => Text = text.Trim();
 
        public static implicit operator OSPath(string text) => new OSPath(text);
 
        public static implicit operator string(OSPath path) => path.Normalized;
 
        public override string ToString() => Normalized;
 
        protected string Text { get; }
 
        public string Normalized => IsWindows ? Windows : Unix;
 
        public string Windows => Text.Replace('/', '\\');
 
        public string Unix => Simplified.Text.Replace('\\', '/');
 
        public OSPath Relative => Simplified.Text.TrimStart('/', '\\');
 
        public bool IsAbsolute => IsRooted || HasVolume;
 
        public bool IsRooted => Text.Length >= 1 && (Text[0] == '/' || Text[0] == '\\');
 
        public bool HasVolume => Text.Length >= 2 && Text[1] == ':';
 
        public OSPath Simplified => HasVolume ? Text.Substring(2) : Text;
 
        public OSPath Parent
        {
            get
            {
                var parent = GetDirectoryName(Text);
 
                if (parent == null)
                {
                    var root = GetPathRoot(Text);
 
                    if (root == null)
                    {
                        return Empty;
                    }
 
                    return root;
                }
 
                return parent;
            }
        }
 
        public bool Contains(OSPath path) => Normalized.StartsWith(path);
 
        public static OSPath operator +(OSPath left, OSPath right) =>
            new OSPath(Combine(left, right.Relative));
 
        public static OSPath operator -(OSPath left, OSPath right) =>
            left.Contains(right)
            ? new OSPath(left.Normalized.Substring(right.Normalized.Length)).Relative
            : left;
    }
}