Initial commit

Library/PackageCache/com.unity.textmeshpro@2.1.1/Scripts/Runtime/TMP_TextParsingUtilities.cs

@@ -0,0 +1,136 @@
+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;
+        }
+
+    }
+}