128 lines
4.4 KiB
C#
128 lines
4.4 KiB
C#
#region license
|
|
// This file is part of Vocaluxe.
|
|
//
|
|
// Vocaluxe is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// Vocaluxe is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with Vocaluxe. If not, see <http://www.gnu.org/licenses/>.
|
|
#endregion
|
|
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.Globalization;
|
|
using System.Linq;
|
|
|
|
namespace VocaluxeLib
|
|
{
|
|
public static class CExtensions
|
|
{
|
|
/// <summary>
|
|
/// Resizes the given list to the given size. Removes elements or adds default values
|
|
/// </summary>
|
|
/// <typeparam name="T"></typeparam>
|
|
/// <param name="list"></param>
|
|
/// <param name="size"></param>
|
|
/// <param name="defaultValue"></param>
|
|
public static void Resize<T>(this List<T> list, int size, T defaultValue = default(T))
|
|
{
|
|
int curSize = list.Count;
|
|
if (size < curSize)
|
|
list.RemoveRange(size, curSize - size);
|
|
else if (size > curSize)
|
|
list.AddRange(Enumerable.Repeat(defaultValue, size - curSize));
|
|
}
|
|
|
|
/// <summary>
|
|
/// Makes the list at least the given size adding the given default values.
|
|
/// </summary>
|
|
/// <typeparam name="T"></typeparam>
|
|
/// <param name="list"></param>
|
|
/// <param name="size"></param>
|
|
/// <param name="defaultValue"></param>
|
|
public static void EnsureSize<T>(this List<T> list, int size, T defaultValue)
|
|
{
|
|
int curSize = list.Count;
|
|
if (size > curSize)
|
|
list.AddRange(Enumerable.Repeat(defaultValue, size - curSize));
|
|
}
|
|
|
|
/// <summary>
|
|
/// Makes the list at least the given size adding a new instance of T
|
|
/// </summary>
|
|
/// <typeparam name="T"></typeparam>
|
|
/// <param name="list"></param>
|
|
/// <param name="size"></param>
|
|
public static void EnsureSize<T>(this List<T> list, int size) where T : new()
|
|
{
|
|
if (size > list.Count)
|
|
list.Add(new T());
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets all set bits starting from lowest (Bit 0)
|
|
/// </summary>
|
|
/// <param name="value"></param>
|
|
/// <returns></returns>
|
|
public static IEnumerable<int> GetSetBits(this int value)
|
|
{
|
|
var result = new List<int>();
|
|
int curBit = 0;
|
|
//Evaluate as bitset
|
|
while (value > 0)
|
|
{
|
|
if ((value & 1) != 0)
|
|
result.Add(curBit);
|
|
value >>= 1;
|
|
curBit++;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
public static bool ContainsIgnoreCase(this string value, string other)
|
|
{
|
|
return value.IndexOf(other, StringComparison.CurrentCultureIgnoreCase) >= 0;
|
|
}
|
|
|
|
public static string TrimMultipleWs(this string value)
|
|
{
|
|
if (string.IsNullOrEmpty(value))
|
|
return "";
|
|
int start = 0;
|
|
int len = value.Length;
|
|
while (value[start] == ' ')
|
|
{
|
|
start++;
|
|
if (start >= len)
|
|
return "";
|
|
}
|
|
if (start > 0)
|
|
start--;
|
|
int end = --len;
|
|
while (value[end] == ' ')
|
|
end--;
|
|
if (end < len)
|
|
end++;
|
|
if (end - start < len)
|
|
value = value.Substring(start, end - start + 1);
|
|
return value;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Converts value to a string in fixed point notation using invariant formating (english style decimal point)
|
|
/// </summary>
|
|
/// <param name="value">Value to be converted</param>
|
|
/// <returns>String representation of value</returns>
|
|
public static string ToInvariantString(this float value)
|
|
{
|
|
return value.ToString("F", NumberFormatInfo.InvariantInfo);
|
|
}
|
|
}
|
|
} |