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Switch-Toolbox/Switch_Toolbox_Library/IO/Extensions/StringExtension.cs
KillzXGaming f0c3fc5465 Add proper hash matching for GFPAK
Also add latest turbo muunt editor files
2019-11-21 21:46:51 -05:00

122 lines
4.5 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.IO;
namespace System
{
public static class StringExtension
{
//https://stackoverflow.com/questions/5617320/given-full-path-check-if-path-is-subdirectory-of-some-other-path-or-otherwise/31941159
/// <summary>
/// Returns true if <paramref name="path"/> starts with the path <paramref name="baseDirPath"/>.
/// The comparison is case-insensitive, handles / and \ slashes as folder separators and
/// only matches if the base dir folder name is matched exactly ("c:\foobar\file.txt" is not a sub path of "c:\foo").
/// </summary>
public static bool IsSubPathOf(this string path, string baseDirPath)
{
string normalizedPath = Path.GetFullPath(path.Replace('/', '\\')
.WithEnding("\\"));
string normalizedBaseDirPath = Path.GetFullPath(baseDirPath.Replace('/', '\\')
.WithEnding("\\"));
return normalizedPath.StartsWith(normalizedBaseDirPath, StringComparison.OrdinalIgnoreCase);
}
public static string GetLast(this string source, int tail_length)
{
if (tail_length >= source.Length)
return source;
return source.Substring(source.Length - tail_length);
}
public static string RemoveNumbersAtEnd(this string str)
{
Regex rgx = new Regex(@"\d+$");
return rgx.Replace(str, string.Empty);
}
/// <summary>
/// Returns <paramref name="str"/> with the minimal concatenation of <paramref name="ending"/> (starting from end) that
/// results in satisfying .EndsWith(ending).
/// </summary>
/// <example>"hel".WithEnding("llo") returns "hello", which is the result of "hel" + "lo".</example>
public static string WithEnding( this string str, string ending)
{
if (str == null)
return ending;
string result = str;
// Right() is 1-indexed, so include these cases
// * Append no characters
// * Append up to N characters, where N is ending length
for (int i = 0; i <= ending.Length; i++)
{
string tmp = result + ending.Right(i);
if (tmp.EndsWith(ending))
return tmp;
}
return result;
}
/// <summary>Gets the rightmost <paramref name="length" /> characters from a string.</summary>
/// <param name="value">The string to retrieve the substring from.</param>
/// <param name="length">The number of characters to retrieve.</param>
/// <returns>The substring.</returns>
public static string Right( this string value, int length)
{
if (value == null)
{
throw new ArgumentNullException("value");
}
if (length < 0)
{
throw new ArgumentOutOfRangeException("length", length, "Length is less than zero");
}
return (length < value.Length) ? value.Substring(value.Length - length) : value;
}
public static string Strip(this string value)
{
return value.Replace(" ", string.Empty);
}
public static string Repeat(this string value, int count)
{
return new StringBuilder(value.Length * count).Insert(0, value, count).ToString();
}
public static unsafe string TruncateAndFill(this string s, int length, char fillChar)
{
char* buffer = stackalloc char[length];
int i;
int min = Math.Min(s.Length, length);
for (i = 0; i < min; i++)
buffer[i] = s[i];
while (i < length)
buffer[i++] = fillChar;
return new string(buffer, 0, length);
}
public static String ToFixedString(this String value, int length, char appendChar = ' ')
{
int currlen = value.Length;
int needed = length == currlen ? 0 : (length - currlen);
return needed == 0 ? value :
(needed > 0 ? value + new string(' ', needed) :
new string(new string(value.ToCharArray().Reverse().ToArray()).
Substring(needed * -1, value.Length - (needed * -1)).ToCharArray().Reverse().ToArray()));
}
}
}