SvgStringList.cs :  » GUI » SharpVectorGraphics » SharpVectors » Dom » Svg » C# / CSharp Open Source

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C# / CSharp Open Source » GUI » SharpVectorGraphics 
SharpVectorGraphics » SharpVectors » Dom » Svg » SvgStringList.cs
using System;
using System.Collections;
using System.Text;
using System.Text.RegularExpressions;

using SharpVectors.Dom;

namespace SharpVectors.Dom.Svg{
  /// <summary>
  /// This interface defines a list of String objects
  /// </summary>
  /// <developer>niklas@protocol7.com</developer>
  /// <developer>kevin@kevlindev.com.com</developer>
  /// <completed>100</completed>
  public class SvgStringList : SvgList, ISvgStringList
  {
        #region Constructors
        public SvgStringList()
        {
        }

        public SvgStringList(string listString)
        {
            this.FromString(listString);
        }
        #endregion

        #region ISvgStringList Interface
    public string Initialize(string newItem)
    {
            return (string) base.Initialize(newItem);
    }

    public new string GetItem(uint index)
    {
      return (string) base.GetItem(index);
    }

    public string InsertItemBefore(string newItem, uint index)
    {
      return (string) base.InsertItemBefore(newItem, index);
    }

    public string ReplaceItem(string newItem, uint index)
    {
      return (string) base.ReplaceItem(newItem, index);
    }

    public new string RemoveItem(uint index)
    {
      return (string) base.RemoveItem(index);
    }

    public string AppendItem(string newItem)
    {
      return (string) base.AppendItem(newItem);
    }
    #endregion

    public void FromString(string listString)
    {
            // remove existing list items
            Clear();

            if ( listString != null )
            {
                // remove leading and trailing whitespace
                // NOTE: Need to check if .NET whitespace = SVG (XML) whitespace
                listString = listString.Trim();

                if ( listString.Length > 0 )
                {
                    Regex delim = new Regex(@"\s+,?\s*|,\s*");
                    foreach ( string item in delim.Split(listString) )
                    {
                        // the following test is needed to catch consecutive commas
                        // for example, "one,two,,three"
                        if ( item.Length == 0 )
                            throw new DomException(DomExceptionType.SyntaxErr);

                        AppendItem(item);
                    }
                }
            }
    }
  }
}
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