A game about forced loneliness, made by TACStudios
tacstudios.tngl.sh
1using System;
2using System.Collections.Generic;
3using System.Diagnostics;
4
5namespace UnityEngine.Rendering
6{
7 /// <summary>
8 /// A mutable string with a size and capacity so you can do string manipulations wile avoiding GC allocs.
9 /// </summary>
10 [DebuggerDisplay("Size = {size} Capacity = {capacity}")]
11 public class DynamicString : DynamicArray<char>
12 {
13 /// <summary>
14 /// Create a DynamicString string with the default capacity.
15 /// </summary>
16 public DynamicString() : base()
17 {}
18
19 /// <summary>
20 /// Create a DynamicString given a string.
21 /// </summary>
22 /// <param name="s">The string to initialize with.</param>
23 public DynamicString(string s) : base(s.Length, true)
24 {
25 for (int i = 0; i < s.Length; ++i)
26 m_Array[i] = s[i];
27 }
28
29 /// <summary>
30 /// Allocate an empty dynamic string with the given number of characters allocated.
31 /// </summary>
32 /// <param name="capacity">The number of characters to pre-allocate.</param>
33 public DynamicString(int capacity) : base(capacity, false) { }
34
35 /// <summary>
36 /// Append a string to the DynamicString. This will not allocate memory if the capacity is still sufficient.
37 /// </summary>
38 /// <param name="s">The string to append.</param>
39 public void Append(string s)
40 {
41 int offset = size;
42 Reserve(size + s.Length, true);
43 for (int i = 0; i < s.Length; ++i)
44 m_Array[offset+i] = s[i];
45 size += s.Length;
46 BumpVersion();
47 }
48
49 /// <summary>
50 /// Append a DynamicString to this DynamicString.
51 /// </summary>
52 /// <param name="s">The string to append.</param>
53 public void Append(DynamicString s) => AddRange(s);
54
55 /// <summary>
56 /// Convert the DyanamicString back to a regular c# string.
57 /// </summary>
58 /// <returns>A new string with the same contents at the dynamic string.</returns>
59 public override string ToString()
60 {
61 return new string(m_Array, 0, size);
62 }
63 }
64
65}