108 lines
1.8 KiB
C#
108 lines
1.8 KiB
C#
using System;
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using System.Text;
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namespace FairyGUI.Utils
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{
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/// <summary>
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///
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/// </summary>
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public class XMLUtils
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{
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public static string DecodeString(string aSource)
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{
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int len = aSource.Length;
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StringBuilder sb = new StringBuilder();
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int pos1 = 0, pos2 = 0;
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while (true)
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{
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pos2 = aSource.IndexOf('&', pos1);
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if (pos2 == -1)
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{
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sb.Append(aSource.Substring(pos1));
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break;
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}
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sb.Append(aSource.Substring(pos1, pos2 - pos1));
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pos1 = pos2 + 1;
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pos2 = pos1;
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int end = Math.Min(len, pos2 + 10);
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for (; pos2 < end; pos2++)
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{
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if (aSource[pos2] == ';')
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break;
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}
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if (pos2 < end && pos2 > pos1)
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{
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string entity = aSource.Substring(pos1, pos2 - pos1);
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int u = 0;
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if (entity[0] == '#')
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{
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if (entity.Length > 1)
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{
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if (entity[1] == 'x')
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u = Convert.ToInt16(entity.Substring(2), 16);
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else
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u = Convert.ToInt16(entity.Substring(1));
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sb.Append((char)u);
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pos1 = pos2 + 1;
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}
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else
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sb.Append('&');
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}
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else
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{
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switch (entity)
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{
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case "amp":
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u = 38;
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break;
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case "apos":
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u = 39;
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break;
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case "gt":
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u = 62;
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break;
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case "lt":
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u = 60;
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break;
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case "nbsp":
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u = 32;
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break;
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case "quot":
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u = 34;
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break;
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}
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if (u > 0)
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{
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sb.Append((char)u);
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pos1 = pos2 + 1;
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}
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else
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sb.Append('&');
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}
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}
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else
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{
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sb.Append('&');
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}
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}
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return sb.ToString();
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}
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public static string EncodeString(string str)
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{
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if (str == null || str.Length == 0)
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return "";
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else
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return str.Replace("&", "&").Replace("<", "<").Replace(">", ">").Replace("'", "'");
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}
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}
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}
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