137 lines
3.8 KiB
C#
137 lines
3.8 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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namespace TMPro
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{
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public class TMP_TextParsingUtilities
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{
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private static readonly TMP_TextParsingUtilities s_Instance = new TMP_TextParsingUtilities();
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/// <summary>
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/// Default constructor
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/// </summary>
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static TMP_TextParsingUtilities() { }
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/// <summary>
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/// Get a singleton instance of the TextModuleUtilities.
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/// </summary>
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public static TMP_TextParsingUtilities instance
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{
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get { return s_Instance; }
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}
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/// <summary>
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/// Function returning the hashcode value of a given string.
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/// </summary>
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public static int GetHashCode(string s)
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{
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int hashCode = 0;
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for (int i = 0; i < s.Length; i++)
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hashCode = ((hashCode << 5) + hashCode) ^ ToUpperASCIIFast(s[i]);
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return hashCode;
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}
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public static int GetHashCodeCaseSensitive(string s)
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{
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int hashCode = 0;
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for (int i = 0; i < s.Length; i++)
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hashCode = ((hashCode << 5) + hashCode) ^ s[i];
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return hashCode;
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}
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/// <summary>
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/// Table used to convert character to lowercase.
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/// </summary>
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const string k_LookupStringL = "-------------------------------- !-#$%&-()*+,-./0123456789:;<=>?@abcdefghijklmnopqrstuvwxyz[-]^_`abcdefghijklmnopqrstuvwxyz{|}~-";
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/// <summary>
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/// Table used to convert character to uppercase.
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/// </summary>
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const string k_LookupStringU = "-------------------------------- !-#$%&-()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[-]^_`ABCDEFGHIJKLMNOPQRSTUVWXYZ{|}~-";
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/// <summary>
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/// Get lowercase version of this ASCII character.
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/// </summary>
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//[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static char ToLowerASCIIFast(char c)
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{
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if (c > k_LookupStringL.Length - 1)
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return c;
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return k_LookupStringL[c];
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}
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/// <summary>
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/// Get uppercase version of this ASCII character.
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/// </summary>
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//[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static char ToUpperASCIIFast(char c)
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{
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if (c > k_LookupStringU.Length - 1)
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return c;
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return k_LookupStringU[c];
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}
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/// <summary>
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/// Get uppercase version of this ASCII character.
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/// </summary>
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//[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static uint ToUpperASCIIFast(uint c)
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{
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if (c > k_LookupStringU.Length - 1)
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return c;
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return k_LookupStringU[(int)c];
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}
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/// <summary>
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/// Get lowercase version of this ASCII character.
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/// </summary>
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//[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static uint ToLowerASCIIFast(uint c)
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{
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if (c > k_LookupStringL.Length - 1)
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return c;
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return k_LookupStringL[(int)c];
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}
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/// <summary>
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/// Check if Unicode is High Surrogate
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/// </summary>
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/// <param name="c"></param>
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/// <returns></returns>
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//[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static bool IsHighSurrogate(uint c)
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{
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return c > 0xD800 && c < 0xDBFF;
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}
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/// <summary>
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/// Check if Unicode is Low Surrogate
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/// </summary>
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/// <param name="c"></param>
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/// <returns></returns>
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//[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static bool IsLowSurrogate(uint c)
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{
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return c > 0xDC00 && c < 0xDFFF;
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}
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}
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}
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