67 lines
2.1 KiB
C#
67 lines
2.1 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace WaterCloud.Code
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{
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public class HtmlHelper
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{
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/// <summary>
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/// Get part Content from HTML by apply prefix part and subfix part
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/// </summary>
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/// <param name="html">souce html</param>
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/// <param name="prefix">prefix</param>
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/// <param name="subfix">subfix</param>
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/// <returns>part content</returns>
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public static string Resove(string html, string prefix, string subfix)
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{
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int inl = html.IndexOf(prefix);
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if (inl == -1)
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{
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return null;
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}
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inl += prefix.Length;
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int inl2 = html.IndexOf(subfix, inl);
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string s = html.Substring(inl, inl2 - inl);
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return s;
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}
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public static string ResoveReverse(string html, string subfix, string prefix)
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{
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int inl = html.IndexOf(subfix);
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if (inl == -1)
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{
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return null;
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}
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string subString = html.Substring(0, inl);
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int inl2 = subString.LastIndexOf(prefix);
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if (inl2 == -1)
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{
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return null;
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}
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string s = subString.Substring(inl2 + prefix.Length, subString.Length - inl2 - prefix.Length);
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return s;
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}
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public static List<string> ResoveList(string html, string prefix, string subfix)
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{
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List<string> list = new List<string>();
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int index = prefix.Length * -1;
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do
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{
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index = html.IndexOf(prefix, index + prefix.Length);
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if (index == -1)
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{
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break;
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}
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index += prefix.Length;
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int index4 = html.IndexOf(subfix, index);
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string s78 = html.Substring(index, index4 - index);
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list.Add(s78);
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}
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while (index > -1);
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return list;
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}
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}
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}
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