jellyfin-server/MediaBrowser.Model/Extensions/StringHelper.cs
2019-01-27 12:12:44 +01:00

58 lines
1.9 KiB
C#

using System;
using System.Text;
namespace MediaBrowser.Model.Extensions
{
/// <summary>
/// Isolating these helpers allow this entire project to be easily converted to Java
/// </summary>
public static class StringHelper
{
/// <summary>
/// Equalses the ignore case.
/// </summary>
/// <param name="str1">The STR1.</param>
/// <param name="str2">The STR2.</param>
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise.</returns>
public static bool EqualsIgnoreCase(string str1, string str2)
{
return string.Equals(str1, str2, StringComparison.OrdinalIgnoreCase);
}
/// <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();
}
public static string FirstToUpper(this string str)
{
return string.IsNullOrEmpty(str) ? string.Empty : str.Substring(0, 1).ToUpperInvariant() + str.Substring(1);
}
}
}