mirror of
https://github.com/jellyfin/jellyfin.git
synced 2024-09-08 20:38:24 +02:00
118 lines
3.6 KiB
C#
118 lines
3.6 KiB
C#
using System;
|
|
using System.Security.Cryptography;
|
|
using System.Text;
|
|
using System.Text.RegularExpressions;
|
|
|
|
namespace MediaBrowser.Common.Extensions
|
|
{
|
|
/// <summary>
|
|
/// Class BaseExtensions
|
|
/// </summary>
|
|
public static class BaseExtensions
|
|
{
|
|
|
|
/// <summary>
|
|
/// Strips the HTML.
|
|
/// </summary>
|
|
/// <param name="htmlString">The HTML string.</param>
|
|
/// <returns>System.String.</returns>
|
|
public static string StripHtml(this string htmlString)
|
|
{
|
|
// http://stackoverflow.com/questions/1349023/how-can-i-strip-html-from-text-in-net
|
|
const string pattern = @"<(.|\n)*?>";
|
|
|
|
return Regex.Replace(htmlString, pattern, string.Empty).Trim();
|
|
}
|
|
|
|
/// <summary>
|
|
/// Replaces the specified STR.
|
|
/// </summary>
|
|
/// <param name="str">The STR.</param>
|
|
/// <param name="oldValue">The old value.</param>
|
|
/// <param name="newValue">The new value.</param>
|
|
/// <param name="comparison">The comparison.</param>
|
|
/// <returns>System.String.</returns>
|
|
public static string Replace(this string str, string oldValue, string newValue, StringComparison comparison)
|
|
{
|
|
var sb = new StringBuilder();
|
|
|
|
var previousIndex = 0;
|
|
var index = str.IndexOf(oldValue, comparison);
|
|
|
|
while (index != -1)
|
|
{
|
|
sb.Append(str.Substring(previousIndex, index - previousIndex));
|
|
sb.Append(newValue);
|
|
index += oldValue.Length;
|
|
|
|
previousIndex = index;
|
|
index = str.IndexOf(oldValue, index, comparison);
|
|
}
|
|
|
|
sb.Append(str.Substring(previousIndex));
|
|
|
|
return sb.ToString();
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the M d5.
|
|
/// </summary>
|
|
/// <param name="str">The STR.</param>
|
|
/// <returns>Guid.</returns>
|
|
public static Guid GetMD5(this string str)
|
|
{
|
|
using (var provider = MD5.Create())
|
|
{
|
|
return new Guid(provider.ComputeHash(Encoding.Unicode.GetBytes(str)));
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the MB id.
|
|
/// </summary>
|
|
/// <param name="str">The STR.</param>
|
|
/// <param name="type">The type.</param>
|
|
/// <returns>Guid.</returns>
|
|
public static Guid GetMBId(this string str, Type type)
|
|
{
|
|
if (type == null)
|
|
{
|
|
throw new ArgumentNullException("type");
|
|
}
|
|
|
|
var key = type.FullName + str.ToLower();
|
|
|
|
return key.GetMD5();
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the attribute value.
|
|
/// </summary>
|
|
/// <param name="str">The STR.</param>
|
|
/// <param name="attrib">The attrib.</param>
|
|
/// <returns>System.String.</returns>
|
|
/// <exception cref="System.ArgumentNullException">attrib</exception>
|
|
public static string GetAttributeValue(this string str, string attrib)
|
|
{
|
|
if (string.IsNullOrEmpty(str))
|
|
{
|
|
throw new ArgumentNullException("str");
|
|
}
|
|
|
|
if (string.IsNullOrEmpty(attrib))
|
|
{
|
|
throw new ArgumentNullException("attrib");
|
|
}
|
|
|
|
string srch = "[" + attrib + "=";
|
|
int start = str.IndexOf(srch, StringComparison.OrdinalIgnoreCase);
|
|
if (start > -1)
|
|
{
|
|
start += srch.Length;
|
|
int end = str.IndexOf(']', start);
|
|
return str.Substring(start, end - start);
|
|
}
|
|
return null;
|
|
}
|
|
}
|
|
}
|