147 lines
4.2 KiB
C#
147 lines
4.2 KiB
C#
using System.Collections;
|
|
using System.Collections.Generic;
|
|
using UnityEngine;
|
|
|
|
namespace TMPro
|
|
{
|
|
public class TMP_TextParsingUtilities
|
|
{
|
|
private static readonly TMP_TextParsingUtilities s_Instance = new TMP_TextParsingUtilities();
|
|
|
|
/// <summary>
|
|
/// Default constructor
|
|
/// </summary>
|
|
static TMP_TextParsingUtilities() { }
|
|
|
|
|
|
/// <summary>
|
|
/// Get a singleton instance of the TextModuleUtilities.
|
|
/// </summary>
|
|
public static TMP_TextParsingUtilities instance
|
|
{
|
|
get { return s_Instance; }
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
/// Function returning the hashcode value of a given string.
|
|
/// </summary>
|
|
public static int GetHashCode(string s)
|
|
{
|
|
int hashCode = 0;
|
|
|
|
for (int i = 0; i < s.Length; i++)
|
|
hashCode = ((hashCode << 5) + hashCode) ^ ToUpperASCIIFast(s[i]);
|
|
|
|
return hashCode;
|
|
}
|
|
|
|
public static int GetHashCodeCaseSensitive(string s)
|
|
{
|
|
int hashCode = 0;
|
|
|
|
for (int i = 0; i < s.Length; i++)
|
|
hashCode = ((hashCode << 5) + hashCode) ^ s[i];
|
|
|
|
return hashCode;
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
/// Table used to convert character to lowercase.
|
|
/// </summary>
|
|
const string k_LookupStringL = "-------------------------------- !-#$%&-()*+,-./0123456789:;<=>?@abcdefghijklmnopqrstuvwxyz[-]^_`abcdefghijklmnopqrstuvwxyz{|}~-";
|
|
|
|
/// <summary>
|
|
/// Table used to convert character to uppercase.
|
|
/// </summary>
|
|
const string k_LookupStringU = "-------------------------------- !-#$%&-()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[-]^_`ABCDEFGHIJKLMNOPQRSTUVWXYZ{|}~-";
|
|
|
|
|
|
/// <summary>
|
|
/// Get lowercase version of this ASCII character.
|
|
/// </summary>
|
|
//[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
|
public static char ToLowerASCIIFast(char c)
|
|
{
|
|
if (c > k_LookupStringL.Length - 1)
|
|
return c;
|
|
|
|
return k_LookupStringL[c];
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
/// Get uppercase version of this ASCII character.
|
|
/// </summary>
|
|
//[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
|
public static char ToUpperASCIIFast(char c)
|
|
{
|
|
if (c > k_LookupStringU.Length - 1)
|
|
return c;
|
|
|
|
return k_LookupStringU[c];
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
/// Get uppercase version of this ASCII character.
|
|
/// </summary>
|
|
//[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
|
public static uint ToUpperASCIIFast(uint c)
|
|
{
|
|
if (c > k_LookupStringU.Length - 1)
|
|
return c;
|
|
|
|
return k_LookupStringU[(int)c];
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
/// Get lowercase version of this ASCII character.
|
|
/// </summary>
|
|
//[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
|
public static uint ToLowerASCIIFast(uint c)
|
|
{
|
|
if (c > k_LookupStringL.Length - 1)
|
|
return c;
|
|
|
|
return k_LookupStringL[(int)c];
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
/// Check if Unicode is High Surrogate
|
|
/// </summary>
|
|
/// <param name="c"></param>
|
|
/// <returns></returns>
|
|
//[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
|
public static bool IsHighSurrogate(uint c)
|
|
{
|
|
return c > 0xD800 && c < 0xDBFF;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Check if Unicode is Low Surrogate
|
|
/// </summary>
|
|
/// <param name="c"></param>
|
|
/// <returns></returns>
|
|
//[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
|
public static bool IsLowSurrogate(uint c)
|
|
{
|
|
return c > 0xDC00 && c < 0xDFFF;
|
|
}
|
|
|
|
/// <summary>
|
|
///
|
|
/// </summary>
|
|
/// <param name="highSurrogate"></param>
|
|
/// <param name="lowSurrogate"></param>
|
|
/// <returns></returns>
|
|
internal static uint ConvertToUTF32(uint highSurrogate, uint lowSurrogate)
|
|
{
|
|
return ((highSurrogate - CodePoint.HIGH_SURROGATE_START) * 0x400) + ((lowSurrogate - CodePoint.LOW_SURROGATE_START) + CodePoint.UNICODE_PLANE01_START);
|
|
}
|
|
}
|
|
}
|