972 lines
45 KiB
C#
972 lines
45 KiB
C#
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using System;
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using System.Collections.Generic;
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namespace I2.Loc
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{
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public class RTLFixer
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{
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/// <summary>
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/// Fix the specified string.
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/// </summary>
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/// <param name='str'>
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/// String to be fixed.
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/// </param>
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public static string Fix(string str)
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{
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return Fix(str, false, true);
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}
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public static string Fix(string str, bool rtl)
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{
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if (rtl)
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{
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return Fix(str);
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}
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string[] words = str.Split(' ');
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string result = "";
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string arabicToIgnore = "";
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foreach (string word in words)
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{
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if (char.IsLower(word.ToLower()[word.Length / 2]))
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{
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result += Fix(arabicToIgnore) + word + " ";
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arabicToIgnore = "";
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}
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else
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{
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arabicToIgnore += word + " ";
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}
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}
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if (arabicToIgnore != "")
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result += Fix(arabicToIgnore);
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return result;
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}
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/// <summary>
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/// Fix the specified string with customization options.
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/// </summary>
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/// <param name='str'>
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/// String to be fixed.
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/// </param>
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/// <param name='showTashkeel'>
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/// Show tashkeel.
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/// </param>
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/// <param name='useHinduNumbers'>
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/// Use hindu numbers.
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/// </param>
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public static string Fix(string str, bool showTashkeel, bool useHinduNumbers)
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{
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var newStr = HindiFixer.Fix(str);
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if (newStr != str)
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return newStr;
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RTLFixerTool.showTashkeel = showTashkeel;
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RTLFixerTool.useHinduNumbers = useHinduNumbers;
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if (str.Contains("\n"))
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str = str.Replace("\n", Environment.NewLine);
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if (str.Contains(Environment.NewLine))
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{
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string[] stringSeparators = { Environment.NewLine };
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string[] strSplit = str.Split(stringSeparators, StringSplitOptions.None);
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if (strSplit.Length == 0)
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return RTLFixerTool.FixLine(str);
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if (strSplit.Length == 1)
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return RTLFixerTool.FixLine(str);
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string outputString = RTLFixerTool.FixLine(strSplit[0]);
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int iteration = 1;
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if (strSplit.Length > 1)
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{
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while (iteration < strSplit.Length)
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{
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outputString += Environment.NewLine + RTLFixerTool.FixLine(strSplit[iteration]);
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iteration++;
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}
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}
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return outputString;
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}
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return RTLFixerTool.FixLine(str);
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}
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}
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/// <summary>
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/// Arabic Contextual forms General - Unicode
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/// </summary>
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internal enum IsolatedArabicLetters
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{
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Hamza = 0xFE80,
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Alef = 0xFE8D,
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AlefHamza = 0xFE83,
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WawHamza = 0xFE85,
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AlefMaksoor = 0xFE87,
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AlefMaksora = 0xFBFC,
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HamzaNabera = 0xFE89,
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Ba = 0xFE8F,
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Ta = 0xFE95,
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Tha2 = 0xFE99,
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Jeem = 0xFE9D,
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H7aa = 0xFEA1,
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Khaa2 = 0xFEA5,
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Dal = 0xFEA9,
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Thal = 0xFEAB,
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Ra2 = 0xFEAD,
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Zeen = 0xFEAF,
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Seen = 0xFEB1,
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Sheen = 0xFEB5,
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S9a = 0xFEB9,
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Dha = 0xFEBD,
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T6a = 0xFEC1,
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T6ha = 0xFEC5,
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Ain = 0xFEC9,
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Gain = 0xFECD,
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Fa = 0xFED1,
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Gaf = 0xFED5,
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Kaf = 0xFED9,
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Lam = 0xFEDD,
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Meem = 0xFEE1,
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Noon = 0xFEE5,
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Ha = 0xFEE9,
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Waw = 0xFEED,
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Ya = 0xFEF1,
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AlefMad = 0xFE81,
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TaMarboota = 0xFE93,
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PersianPe = 0xFB56, // Persian Letters;
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PersianChe = 0xFB7A,
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PersianZe = 0xFB8A,
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PersianGaf = 0xFB92,
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PersianGaf2 = 0xFB8E
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}
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/// <summary>
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/// Arabic Contextual forms - Isolated
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/// </summary>
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internal enum GeneralArabicLetters
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{
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Hamza = 0x0621,
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Alef = 0x0627,
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AlefHamza = 0x0623,
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WawHamza = 0x0624,
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AlefMaksoor = 0x0625,
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AlefMagsora = 0x0649,
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HamzaNabera = 0x0626,
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Ba = 0x0628,
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Ta = 0x062A,
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Tha2 = 0x062B,
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Jeem = 0x062C,
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H7aa = 0x062D,
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Khaa2 = 0x062E,
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Dal = 0x062F,
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Thal = 0x0630,
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Ra2 = 0x0631,
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Zeen = 0x0632,
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Seen = 0x0633,
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Sheen = 0x0634,
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S9a = 0x0635,
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Dha = 0x0636,
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T6a = 0x0637,
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T6ha = 0x0638,
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Ain = 0x0639,
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Gain = 0x063A,
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Fa = 0x0641,
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Gaf = 0x0642,
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Kaf = 0x0643,
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Lam = 0x0644,
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Meem = 0x0645,
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Noon = 0x0646,
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Ha = 0x0647,
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Waw = 0x0648,
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Ya = 0x064A,
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AlefMad = 0x0622,
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TaMarboota = 0x0629,
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PersianPe = 0x067E, // Persian Letters;
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PersianChe = 0x0686,
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PersianZe = 0x0698,
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PersianGaf = 0x06AF,
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PersianGaf2 = 0x06A9
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}
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/// <summary>
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/// Data Structure for conversion
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/// </summary>
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internal class ArabicMapping
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{
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public int from;
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public int to;
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public ArabicMapping(int from, int to)
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{
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this.from = from;
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this.to = to;
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}
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}
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/// <summary>
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/// Sets up and creates the conversion table
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/// </summary>
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internal class ArabicTable
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{
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private static List<ArabicMapping> mapList;
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private static ArabicTable arabicMapper;
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/// <summary>
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/// Setting up the conversion table
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/// </summary>
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private ArabicTable()
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{
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mapList = new List<ArabicMapping>();
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mapList.Add(new ArabicMapping((int)GeneralArabicLetters.Hamza, (int)IsolatedArabicLetters.Hamza));
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mapList.Add(new ArabicMapping((int)GeneralArabicLetters.Alef, (int)IsolatedArabicLetters.Alef));
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mapList.Add(new ArabicMapping((int)GeneralArabicLetters.AlefHamza, (int)IsolatedArabicLetters.AlefHamza));
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mapList.Add(new ArabicMapping((int)GeneralArabicLetters.WawHamza, (int)IsolatedArabicLetters.WawHamza));
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mapList.Add(new ArabicMapping((int)GeneralArabicLetters.AlefMaksoor, (int)IsolatedArabicLetters.AlefMaksoor));
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mapList.Add(new ArabicMapping((int)GeneralArabicLetters.AlefMagsora, (int)IsolatedArabicLetters.AlefMaksora));
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mapList.Add(new ArabicMapping((int)GeneralArabicLetters.HamzaNabera, (int)IsolatedArabicLetters.HamzaNabera));
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mapList.Add(new ArabicMapping((int)GeneralArabicLetters.Ba, (int)IsolatedArabicLetters.Ba));
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mapList.Add(new ArabicMapping((int)GeneralArabicLetters.Ta, (int)IsolatedArabicLetters.Ta));
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mapList.Add(new ArabicMapping((int)GeneralArabicLetters.Tha2, (int)IsolatedArabicLetters.Tha2));
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mapList.Add(new ArabicMapping((int)GeneralArabicLetters.Jeem, (int)IsolatedArabicLetters.Jeem));
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mapList.Add(new ArabicMapping((int)GeneralArabicLetters.H7aa, (int)IsolatedArabicLetters.H7aa));
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mapList.Add(new ArabicMapping((int)GeneralArabicLetters.Khaa2, (int)IsolatedArabicLetters.Khaa2));
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mapList.Add(new ArabicMapping((int)GeneralArabicLetters.Dal, (int)IsolatedArabicLetters.Dal));
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mapList.Add(new ArabicMapping((int)GeneralArabicLetters.Thal, (int)IsolatedArabicLetters.Thal));
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mapList.Add(new ArabicMapping((int)GeneralArabicLetters.Ra2, (int)IsolatedArabicLetters.Ra2));
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mapList.Add(new ArabicMapping((int)GeneralArabicLetters.Zeen, (int)IsolatedArabicLetters.Zeen));
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mapList.Add(new ArabicMapping((int)GeneralArabicLetters.Seen, (int)IsolatedArabicLetters.Seen));
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mapList.Add(new ArabicMapping((int)GeneralArabicLetters.Sheen, (int)IsolatedArabicLetters.Sheen));
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mapList.Add(new ArabicMapping((int)GeneralArabicLetters.S9a, (int)IsolatedArabicLetters.S9a));
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mapList.Add(new ArabicMapping((int)GeneralArabicLetters.Dha, (int)IsolatedArabicLetters.Dha));
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mapList.Add(new ArabicMapping((int)GeneralArabicLetters.T6a, (int)IsolatedArabicLetters.T6a));
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mapList.Add(new ArabicMapping((int)GeneralArabicLetters.T6ha, (int)IsolatedArabicLetters.T6ha));
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mapList.Add(new ArabicMapping((int)GeneralArabicLetters.Ain, (int)IsolatedArabicLetters.Ain));
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mapList.Add(new ArabicMapping((int)GeneralArabicLetters.Gain, (int)IsolatedArabicLetters.Gain));
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mapList.Add(new ArabicMapping((int)GeneralArabicLetters.Fa, (int)IsolatedArabicLetters.Fa));
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mapList.Add(new ArabicMapping((int)GeneralArabicLetters.Gaf, (int)IsolatedArabicLetters.Gaf));
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mapList.Add(new ArabicMapping((int)GeneralArabicLetters.Kaf, (int)IsolatedArabicLetters.Kaf));
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mapList.Add(new ArabicMapping((int)GeneralArabicLetters.Lam, (int)IsolatedArabicLetters.Lam));
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mapList.Add(new ArabicMapping((int)GeneralArabicLetters.Meem, (int)IsolatedArabicLetters.Meem));
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mapList.Add(new ArabicMapping((int)GeneralArabicLetters.Noon, (int)IsolatedArabicLetters.Noon));
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mapList.Add(new ArabicMapping((int)GeneralArabicLetters.Ha, (int)IsolatedArabicLetters.Ha));
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mapList.Add(new ArabicMapping((int)GeneralArabicLetters.Waw, (int)IsolatedArabicLetters.Waw));
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mapList.Add(new ArabicMapping((int)GeneralArabicLetters.Ya, (int)IsolatedArabicLetters.Ya));
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mapList.Add(new ArabicMapping((int)GeneralArabicLetters.AlefMad, (int)IsolatedArabicLetters.AlefMad));
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mapList.Add(new ArabicMapping((int)GeneralArabicLetters.TaMarboota, (int)IsolatedArabicLetters.TaMarboota));
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mapList.Add(new ArabicMapping((int)GeneralArabicLetters.PersianPe, (int)IsolatedArabicLetters.PersianPe)); // Persian Letters;
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mapList.Add(new ArabicMapping((int)GeneralArabicLetters.PersianChe, (int)IsolatedArabicLetters.PersianChe));
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mapList.Add(new ArabicMapping((int)GeneralArabicLetters.PersianZe, (int)IsolatedArabicLetters.PersianZe));
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mapList.Add(new ArabicMapping((int)GeneralArabicLetters.PersianGaf, (int)IsolatedArabicLetters.PersianGaf));
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mapList.Add(new ArabicMapping((int)GeneralArabicLetters.PersianGaf2, (int)IsolatedArabicLetters.PersianGaf2));
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//for (int i = 0; i < generalArabic.Length; i++)
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// mapList.Add(new ArabicMapping((int)generalArabic.GetValue(i), (int)isolatedArabic.GetValue(i))); // I
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}
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/// <summary>
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/// Singleton design pattern, Get the mapper. If it was not created before, create it.
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/// </summary>
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internal static ArabicTable ArabicMapper
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{
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get
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{
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if (arabicMapper == null)
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arabicMapper = new ArabicTable();
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return arabicMapper;
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}
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}
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internal int Convert(int toBeConverted)
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{
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foreach (ArabicMapping arabicMap in mapList)
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if (arabicMap.from == toBeConverted)
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{
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return arabicMap.to;
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}
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return toBeConverted;
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}
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}
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internal class TashkeelLocation
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{
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public char tashkeel;
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public int position;
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public TashkeelLocation(char tashkeel, int position)
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{
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this.tashkeel = tashkeel;
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this.position = position;
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}
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}
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internal class RTLFixerTool
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|
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{
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internal static bool showTashkeel = true;
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internal static bool useHinduNumbers;
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internal static string RemoveTashkeel(string str, out List<TashkeelLocation> tashkeelLocation)
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{
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tashkeelLocation = new List<TashkeelLocation>();
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char[] letters = str.ToCharArray();
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int index = 0;
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for (int i = 0; i < letters.Length; i++)
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{
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|
|
if (letters[i] == (char)0x064B)
|
|||
|
|
{ // Tanween Fatha
|
|||
|
|
tashkeelLocation.Add(new TashkeelLocation((char)0x064B, i));
|
|||
|
|
index++;
|
|||
|
|
}
|
|||
|
|
else if (letters[i] == (char)0x064C)
|
|||
|
|
{ // DAMMATAN
|
|||
|
|
tashkeelLocation.Add(new TashkeelLocation((char)0x064C, i));
|
|||
|
|
index++;
|
|||
|
|
}
|
|||
|
|
else if (letters[i] == (char)0x064D)
|
|||
|
|
{ // KASRATAN
|
|||
|
|
tashkeelLocation.Add(new TashkeelLocation((char)0x064D, i));
|
|||
|
|
index++;
|
|||
|
|
}
|
|||
|
|
else if (letters[i] == (char)0x064E)
|
|||
|
|
{ // FATHA
|
|||
|
|
if (index > 0)
|
|||
|
|
{
|
|||
|
|
if (tashkeelLocation[index - 1].tashkeel == (char)0x0651) // SHADDA
|
|||
|
|
{
|
|||
|
|
tashkeelLocation[index - 1].tashkeel = (char)0xFC60; // Shadda With Fatha
|
|||
|
|
continue;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
tashkeelLocation.Add(new TashkeelLocation((char)0x064E, i));
|
|||
|
|
index++;
|
|||
|
|
}
|
|||
|
|
else if (letters[i] == (char)0x064F)
|
|||
|
|
{ // DAMMA
|
|||
|
|
if (index > 0)
|
|||
|
|
{
|
|||
|
|
if (tashkeelLocation[index - 1].tashkeel == (char)0x0651)
|
|||
|
|
{ // SHADDA
|
|||
|
|
tashkeelLocation[index - 1].tashkeel = (char)0xFC61; // Shadda With DAMMA
|
|||
|
|
continue;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
tashkeelLocation.Add(new TashkeelLocation((char)0x064F, i));
|
|||
|
|
index++;
|
|||
|
|
}
|
|||
|
|
else if (letters[i] == (char)0x0650)
|
|||
|
|
{ // KASRA
|
|||
|
|
if (index > 0)
|
|||
|
|
{
|
|||
|
|
if (tashkeelLocation[index - 1].tashkeel == (char)0x0651)
|
|||
|
|
{ // SHADDA
|
|||
|
|
tashkeelLocation[index - 1].tashkeel = (char)0xFC62; // Shadda With KASRA
|
|||
|
|
continue;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
tashkeelLocation.Add(new TashkeelLocation((char)0x0650, i));
|
|||
|
|
index++;
|
|||
|
|
}
|
|||
|
|
else if (letters[i] == (char)0x0651)
|
|||
|
|
{ // SHADDA
|
|||
|
|
if (index > 0)
|
|||
|
|
{
|
|||
|
|
if (tashkeelLocation[index - 1].tashkeel == (char)0x064E) // FATHA
|
|||
|
|
{
|
|||
|
|
tashkeelLocation[index - 1].tashkeel = (char)0xFC60; // Shadda With Fatha
|
|||
|
|
continue;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (tashkeelLocation[index - 1].tashkeel == (char)0x064F) // DAMMA
|
|||
|
|
{
|
|||
|
|
tashkeelLocation[index - 1].tashkeel = (char)0xFC61; // Shadda With DAMMA
|
|||
|
|
continue;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (tashkeelLocation[index - 1].tashkeel == (char)0x0650) // KASRA
|
|||
|
|
{
|
|||
|
|
tashkeelLocation[index - 1].tashkeel = (char)0xFC62; // Shadda With KASRA
|
|||
|
|
continue;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
tashkeelLocation.Add(new TashkeelLocation((char)0x0651, i));
|
|||
|
|
index++;
|
|||
|
|
}
|
|||
|
|
else if (letters[i] == (char)0x0652)
|
|||
|
|
{ // SUKUN
|
|||
|
|
tashkeelLocation.Add(new TashkeelLocation((char)0x0652, i));
|
|||
|
|
index++;
|
|||
|
|
}
|
|||
|
|
else if (letters[i] == (char)0x0653)
|
|||
|
|
{ // MADDAH ABOVE
|
|||
|
|
tashkeelLocation.Add(new TashkeelLocation((char)0x0653, i));
|
|||
|
|
index++;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
string[] split = str.Split((char)0x064B, (char)0x064C, (char)0x064D, (char)0x064E, (char)0x064F, (char)0x0650, (char)0x0651, (char)0x0652, (char)0x0653, (char)0xFC60, (char)0xFC61, (char)0xFC62);
|
|||
|
|
str = "";
|
|||
|
|
|
|||
|
|
foreach (string s in split)
|
|||
|
|
{
|
|||
|
|
str += s;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return str;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
internal static char[] ReturnTashkeel(char[] letters, List<TashkeelLocation> tashkeelLocation)
|
|||
|
|
{
|
|||
|
|
char[] lettersWithTashkeel = new char[letters.Length + tashkeelLocation.Count];
|
|||
|
|
|
|||
|
|
int letterWithTashkeelTracker = 0;
|
|||
|
|
for (int i = 0; i < letters.Length; i++)
|
|||
|
|
{
|
|||
|
|
lettersWithTashkeel[letterWithTashkeelTracker] = letters[i];
|
|||
|
|
letterWithTashkeelTracker++;
|
|||
|
|
foreach (TashkeelLocation hLocation in tashkeelLocation)
|
|||
|
|
{
|
|||
|
|
if (hLocation.position == letterWithTashkeelTracker)
|
|||
|
|
{
|
|||
|
|
lettersWithTashkeel[letterWithTashkeelTracker] = hLocation.tashkeel;
|
|||
|
|
letterWithTashkeelTracker++;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return lettersWithTashkeel;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Converts a string to a form in which the sting will be displayed correctly for arabic text.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="str">String to be converted. Example: "Aaa"</param>
|
|||
|
|
/// <returns>Converted string. Example: "aa aaa A" without the spaces.</returns>
|
|||
|
|
internal static string FixLine(string str)
|
|||
|
|
{
|
|||
|
|
string test = "";
|
|||
|
|
|
|||
|
|
List<TashkeelLocation> tashkeelLocation;
|
|||
|
|
|
|||
|
|
string originString = RemoveTashkeel(str, out tashkeelLocation);
|
|||
|
|
|
|||
|
|
char[] lettersOrigin = originString.ToCharArray();
|
|||
|
|
char[] lettersFinal = originString.ToCharArray();
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
for (int i = 0; i < lettersOrigin.Length; i++)
|
|||
|
|
{
|
|||
|
|
lettersOrigin[i] = (char)ArabicTable.ArabicMapper.Convert(lettersOrigin[i]);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
for (int i = 0; i < lettersOrigin.Length; i++)
|
|||
|
|
{
|
|||
|
|
bool skip = false;
|
|||
|
|
|
|||
|
|
|
|||
|
|
//lettersOrigin[i] = (char)ArabicTable.ArabicMapper.Convert(lettersOrigin[i]);
|
|||
|
|
|
|||
|
|
|
|||
|
|
// For special Lam Letter connections.
|
|||
|
|
if (lettersOrigin[i] == (char)IsolatedArabicLetters.Lam)
|
|||
|
|
{
|
|||
|
|
|
|||
|
|
if (i < lettersOrigin.Length - 1)
|
|||
|
|
{
|
|||
|
|
//lettersOrigin[i + 1] = (char)ArabicTable.ArabicMapper.Convert(lettersOrigin[i + 1]);
|
|||
|
|
if (lettersOrigin[i + 1] == (char)IsolatedArabicLetters.AlefMaksoor)
|
|||
|
|
{
|
|||
|
|
lettersOrigin[i] = (char)0xFEF7;
|
|||
|
|
lettersFinal[i + 1] = (char)0xFFFF;
|
|||
|
|
skip = true;
|
|||
|
|
}
|
|||
|
|
else if (lettersOrigin[i + 1] == (char)IsolatedArabicLetters.Alef)
|
|||
|
|
{
|
|||
|
|
lettersOrigin[i] = (char)0xFEF9;
|
|||
|
|
lettersFinal[i + 1] = (char)0xFFFF;
|
|||
|
|
skip = true;
|
|||
|
|
}
|
|||
|
|
else if (lettersOrigin[i + 1] == (char)IsolatedArabicLetters.AlefHamza)
|
|||
|
|
{
|
|||
|
|
lettersOrigin[i] = (char)0xFEF5;
|
|||
|
|
lettersFinal[i + 1] = (char)0xFFFF;
|
|||
|
|
skip = true;
|
|||
|
|
}
|
|||
|
|
else if (lettersOrigin[i + 1] == (char)IsolatedArabicLetters.AlefMad)
|
|||
|
|
{
|
|||
|
|
lettersOrigin[i] = (char)0xFEF3;
|
|||
|
|
lettersFinal[i + 1] = (char)0xFFFF;
|
|||
|
|
skip = true;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
if (!IsIgnoredCharacter(lettersOrigin[i]))
|
|||
|
|
{
|
|||
|
|
if (IsMiddleLetter(lettersOrigin, i))
|
|||
|
|
lettersFinal[i] = (char)(lettersOrigin[i] + 3);
|
|||
|
|
else if (IsFinishingLetter(lettersOrigin, i))
|
|||
|
|
lettersFinal[i] = (char)(lettersOrigin[i] + 1);
|
|||
|
|
else if (IsLeadingLetter(lettersOrigin, i))
|
|||
|
|
lettersFinal[i] = (char)(lettersOrigin[i] + 2);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//string strOut = String.Format(@"\x{0:x4}", (ushort)lettersOrigin[i]);
|
|||
|
|
//UnityEngine.Debug.Log(strOut);
|
|||
|
|
|
|||
|
|
//strOut = String.Format(@"\x{0:x4}", (ushort)lettersFinal[i]);
|
|||
|
|
//UnityEngine.Debug.Log(strOut);
|
|||
|
|
|
|||
|
|
test += Convert.ToString(lettersOrigin[i], 16) + " ";
|
|||
|
|
if (skip)
|
|||
|
|
i++;
|
|||
|
|
|
|||
|
|
|
|||
|
|
//chaning numbers to hindu
|
|||
|
|
if (useHinduNumbers)
|
|||
|
|
{
|
|||
|
|
if (lettersOrigin[i] == (char)0x0030)
|
|||
|
|
lettersFinal[i] = (char)0x0660;
|
|||
|
|
else if (lettersOrigin[i] == (char)0x0031)
|
|||
|
|
lettersFinal[i] = (char)0x0661;
|
|||
|
|
else if (lettersOrigin[i] == (char)0x0032)
|
|||
|
|
lettersFinal[i] = (char)0x0662;
|
|||
|
|
else if (lettersOrigin[i] == (char)0x0033)
|
|||
|
|
lettersFinal[i] = (char)0x0663;
|
|||
|
|
else if (lettersOrigin[i] == (char)0x0034)
|
|||
|
|
lettersFinal[i] = (char)0x0664;
|
|||
|
|
else if (lettersOrigin[i] == (char)0x0035)
|
|||
|
|
lettersFinal[i] = (char)0x0665;
|
|||
|
|
else if (lettersOrigin[i] == (char)0x0036)
|
|||
|
|
lettersFinal[i] = (char)0x0666;
|
|||
|
|
else if (lettersOrigin[i] == (char)0x0037)
|
|||
|
|
lettersFinal[i] = (char)0x0667;
|
|||
|
|
else if (lettersOrigin[i] == (char)0x0038)
|
|||
|
|
lettersFinal[i] = (char)0x0668;
|
|||
|
|
else if (lettersOrigin[i] == (char)0x0039)
|
|||
|
|
lettersFinal[i] = (char)0x0669;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
//Return the Tashkeel to their places.
|
|||
|
|
if (showTashkeel)
|
|||
|
|
lettersFinal = ReturnTashkeel(lettersFinal, tashkeelLocation);
|
|||
|
|
|
|||
|
|
|
|||
|
|
List<char> list = new List<char>();
|
|||
|
|
|
|||
|
|
List<char> numberList = new List<char>();
|
|||
|
|
|
|||
|
|
for (int i = lettersFinal.Length - 1; i >= 0; i--)
|
|||
|
|
{
|
|||
|
|
|
|||
|
|
|
|||
|
|
// if (lettersFinal[i] == '(')
|
|||
|
|
// numberList.Add(')');
|
|||
|
|
// else if (lettersFinal[i] == ')')
|
|||
|
|
// numberList.Add('(');
|
|||
|
|
// else if (lettersFinal[i] == '<')
|
|||
|
|
// numberList.Add('>');
|
|||
|
|
// else if (lettersFinal[i] == '>')
|
|||
|
|
// numberList.Add('<');
|
|||
|
|
// else
|
|||
|
|
if (char.IsPunctuation(lettersFinal[i]) && i > 0 && i < lettersFinal.Length - 1 &&
|
|||
|
|
(char.IsPunctuation(lettersFinal[i - 1]) || char.IsPunctuation(lettersFinal[i + 1])))
|
|||
|
|
{
|
|||
|
|
if (lettersFinal[i] == '(')
|
|||
|
|
list.Add(')');
|
|||
|
|
else if (lettersFinal[i] == ')')
|
|||
|
|
list.Add('(');
|
|||
|
|
else if (lettersFinal[i] == '<')
|
|||
|
|
list.Add('>');
|
|||
|
|
else if (lettersFinal[i] == '>')
|
|||
|
|
list.Add('<');
|
|||
|
|
else if (lettersFinal[i] == '[')
|
|||
|
|
list.Add(']');
|
|||
|
|
else if (lettersFinal[i] == ']')
|
|||
|
|
list.Add('[');
|
|||
|
|
else if (lettersFinal[i] != 0xFFFF)
|
|||
|
|
list.Add(lettersFinal[i]);
|
|||
|
|
}
|
|||
|
|
// For cases where english words and arabic are mixed. This allows for using arabic, english and numbers in one sentence.
|
|||
|
|
else if (lettersFinal[i] == ' ' && i > 0 && i < lettersFinal.Length - 1 &&
|
|||
|
|
(char.IsLower(lettersFinal[i - 1]) || char.IsUpper(lettersFinal[i - 1]) || char.IsNumber(lettersFinal[i - 1])) &&
|
|||
|
|
(char.IsLower(lettersFinal[i + 1]) || char.IsUpper(lettersFinal[i + 1]) || char.IsNumber(lettersFinal[i + 1])))
|
|||
|
|
|
|||
|
|
{
|
|||
|
|
numberList.Add(lettersFinal[i]);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
else if (char.IsNumber(lettersFinal[i]) || char.IsLower(lettersFinal[i]) ||
|
|||
|
|
char.IsUpper(lettersFinal[i]) || char.IsSymbol(lettersFinal[i]) ||
|
|||
|
|
char.IsPunctuation(lettersFinal[i]))// || lettersFinal[i] == '^') //)
|
|||
|
|
{
|
|||
|
|
|
|||
|
|
if (lettersFinal[i] == '(')
|
|||
|
|
numberList.Add(')');
|
|||
|
|
else if (lettersFinal[i] == ')')
|
|||
|
|
numberList.Add('(');
|
|||
|
|
else if (lettersFinal[i] == '<')
|
|||
|
|
numberList.Add('>');
|
|||
|
|
else if (lettersFinal[i] == '>')
|
|||
|
|
numberList.Add('<');
|
|||
|
|
else if (lettersFinal[i] == '[')
|
|||
|
|
list.Add(']');
|
|||
|
|
else if (lettersFinal[i] == ']')
|
|||
|
|
list.Add('[');
|
|||
|
|
else
|
|||
|
|
numberList.Add(lettersFinal[i]);
|
|||
|
|
}
|
|||
|
|
else if (lettersFinal[i] >= (char)0xD800 && lettersFinal[i] <= (char)0xDBFF ||
|
|||
|
|
lettersFinal[i] >= (char)0xDC00 && lettersFinal[i] <= (char)0xDFFF)
|
|||
|
|
{
|
|||
|
|
numberList.Add(lettersFinal[i]);
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
if (numberList.Count > 0)
|
|||
|
|
{
|
|||
|
|
for (int j = 0; j < numberList.Count; j++)
|
|||
|
|
list.Add(numberList[numberList.Count - 1 - j]);
|
|||
|
|
numberList.Clear();
|
|||
|
|
}
|
|||
|
|
if (lettersFinal[i] != 0xFFFF)
|
|||
|
|
list.Add(lettersFinal[i]);
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
if (numberList.Count > 0)
|
|||
|
|
{
|
|||
|
|
for (int j = 0; j < numberList.Count; j++)
|
|||
|
|
list.Add(numberList[numberList.Count - 1 - j]);
|
|||
|
|
numberList.Clear();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// Moving letters from a list to an array.
|
|||
|
|
lettersFinal = new char[list.Count];
|
|||
|
|
for (int i = 0; i < lettersFinal.Length; i++)
|
|||
|
|
lettersFinal[i] = list[i];
|
|||
|
|
|
|||
|
|
|
|||
|
|
str = new string(lettersFinal);
|
|||
|
|
return str;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// English letters, numbers and punctuation characters are ignored. This checks if the ch is an ignored character.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="ch">The character to be checked for skipping</param>
|
|||
|
|
/// <returns>True if the character should be ignored, false if it should not be ignored.</returns>
|
|||
|
|
internal static bool IsIgnoredCharacter(char ch)
|
|||
|
|
{
|
|||
|
|
bool isPunctuation = char.IsPunctuation(ch);
|
|||
|
|
bool isNumber = char.IsNumber(ch);
|
|||
|
|
bool isLower = char.IsLower(ch);
|
|||
|
|
bool isUpper = char.IsUpper(ch);
|
|||
|
|
bool isSymbol = char.IsSymbol(ch);
|
|||
|
|
bool isPersianCharacter = ch == (char)0xFB56 || ch == (char)0xFB7A || ch == (char)0xFB8A || ch == (char)0xFB92 || ch == (char)0xFB8E;
|
|||
|
|
bool isPresentationFormB = ch <= (char)0xFEFF && ch >= (char)0xFE70;
|
|||
|
|
bool isAcceptableCharacter = isPresentationFormB || isPersianCharacter || ch == (char)0xFBFC;
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
return isPunctuation ||
|
|||
|
|
isNumber ||
|
|||
|
|
isLower ||
|
|||
|
|
isUpper ||
|
|||
|
|
isSymbol ||
|
|||
|
|
!isAcceptableCharacter ||
|
|||
|
|
ch == 'a' || ch == '>' || ch == '<' || ch == (char)0x061B;
|
|||
|
|
|
|||
|
|
// return char.IsPunctuation(ch) || char.IsNumber(ch) || ch == 'a' || ch == '>' || ch == '<' ||
|
|||
|
|
// char.IsLower(ch) || char.IsUpper(ch) || ch == (char)0x061B || char.IsSymbol(ch)
|
|||
|
|
// || !(ch <= (char)0xFEFF && ch >= (char)0xFE70) // Presentation Form B
|
|||
|
|
// || ch == (char)0xFB56 || ch == (char)0xFB7A || ch == (char)0xFB8A || ch == (char)0xFB92; // Persian Characters
|
|||
|
|
|
|||
|
|
// PersianPe = 0xFB56,
|
|||
|
|
// PersianChe = 0xFB7A,
|
|||
|
|
// PersianZe = 0xFB8A,
|
|||
|
|
// PersianGaf = 0xFB92
|
|||
|
|
//lettersOrigin[i] <= (char)0xFEFF && lettersOrigin[i] >= (char)0xFE70
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Checks if the letter at index value is a leading character in Arabic or not.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="letters">The whole word that contains the character to be checked</param>
|
|||
|
|
/// <param name="index">The index of the character to be checked</param>
|
|||
|
|
/// <returns>True if the character at index is a leading character, else, returns false</returns>
|
|||
|
|
internal static bool IsLeadingLetter(char[] letters, int index)
|
|||
|
|
{
|
|||
|
|
|
|||
|
|
bool lettersThatCannotBeBeforeALeadingLetter = index == 0
|
|||
|
|
|| letters[index - 1] == ' '
|
|||
|
|
|| letters[index - 1] == '*' // ??? Remove?
|
|||
|
|
|| letters[index - 1] == 'A' // ??? Remove?
|
|||
|
|
|| char.IsPunctuation(letters[index - 1])
|
|||
|
|
|| letters[index - 1] == '>'
|
|||
|
|
|| letters[index - 1] == '<'
|
|||
|
|
|| letters[index - 1] == (int)IsolatedArabicLetters.Alef
|
|||
|
|
|| letters[index - 1] == (int)IsolatedArabicLetters.Dal
|
|||
|
|
|| letters[index - 1] == (int)IsolatedArabicLetters.Thal
|
|||
|
|
|| letters[index - 1] == (int)IsolatedArabicLetters.Ra2
|
|||
|
|
|| letters[index - 1] == (int)IsolatedArabicLetters.Zeen
|
|||
|
|
|| letters[index - 1] == (int)IsolatedArabicLetters.PersianZe
|
|||
|
|
//|| letters[index - 1] == (int)IsolatedArabicLetters.AlefMaksora
|
|||
|
|
|| letters[index - 1] == (int)IsolatedArabicLetters.Waw
|
|||
|
|
|| letters[index - 1] == (int)IsolatedArabicLetters.AlefMad
|
|||
|
|
|| letters[index - 1] == (int)IsolatedArabicLetters.AlefHamza
|
|||
|
|
|| letters[index - 1] == (int)IsolatedArabicLetters.AlefMaksoor
|
|||
|
|
|| letters[index - 1] == (int)IsolatedArabicLetters.WawHamza;
|
|||
|
|
|
|||
|
|
bool lettersThatCannotBeALeadingLetter = letters[index] != ' '
|
|||
|
|
&& letters[index] != (int)IsolatedArabicLetters.Dal
|
|||
|
|
&& letters[index] != (int)IsolatedArabicLetters.Thal
|
|||
|
|
&& letters[index] != (int)IsolatedArabicLetters.Ra2
|
|||
|
|
&& letters[index] != (int)IsolatedArabicLetters.Zeen
|
|||
|
|
&& letters[index] != (int)IsolatedArabicLetters.PersianZe
|
|||
|
|
&& letters[index] != (int)IsolatedArabicLetters.Alef
|
|||
|
|
&& letters[index] != (int)IsolatedArabicLetters.AlefHamza
|
|||
|
|
&& letters[index] != (int)IsolatedArabicLetters.AlefMaksoor
|
|||
|
|
&& letters[index] != (int)IsolatedArabicLetters.AlefMad
|
|||
|
|
&& letters[index] != (int)IsolatedArabicLetters.WawHamza
|
|||
|
|
&& letters[index] != (int)IsolatedArabicLetters.Waw
|
|||
|
|
&& letters[index] != (int)IsolatedArabicLetters.Hamza;
|
|||
|
|
|
|||
|
|
bool lettersThatCannotBeAfterLeadingLetter = index < letters.Length - 1
|
|||
|
|
&& letters[index + 1] != ' '
|
|||
|
|
&& !char.IsPunctuation(letters[index + 1])
|
|||
|
|
&& !char.IsNumber(letters[index + 1])
|
|||
|
|
&& !char.IsSymbol(letters[index + 1])
|
|||
|
|
&& !char.IsLower(letters[index + 1])
|
|||
|
|
&& !char.IsUpper(letters[index + 1])
|
|||
|
|
&& letters[index + 1] != (int)IsolatedArabicLetters.Hamza;
|
|||
|
|
|
|||
|
|
if (lettersThatCannotBeBeforeALeadingLetter && lettersThatCannotBeALeadingLetter && lettersThatCannotBeAfterLeadingLetter)
|
|||
|
|
|
|||
|
|
// if ((index == 0 || letters[index - 1] == ' ' || letters[index - 1] == '*' || letters[index - 1] == 'A' || char.IsPunctuation(letters[index - 1])
|
|||
|
|
// || letters[index - 1] == '>' || letters[index - 1] == '<'
|
|||
|
|
// || letters[index - 1] == (int)IsolatedArabicLetters.Alef
|
|||
|
|
// || letters[index - 1] == (int)IsolatedArabicLetters.Dal || letters[index - 1] == (int)IsolatedArabicLetters.Thal
|
|||
|
|
// || letters[index - 1] == (int)IsolatedArabicLetters.Ra2
|
|||
|
|
// || letters[index - 1] == (int)IsolatedArabicLetters.Zeen || letters[index - 1] == (int)IsolatedArabicLetters.PersianZe
|
|||
|
|
// || letters[index - 1] == (int)IsolatedArabicLetters.AlefMaksora || letters[index - 1] == (int)IsolatedArabicLetters.Waw
|
|||
|
|
// || letters[index - 1] == (int)IsolatedArabicLetters.AlefMad || letters[index - 1] == (int)IsolatedArabicLetters.AlefHamza
|
|||
|
|
// || letters[index - 1] == (int)IsolatedArabicLetters.AlefMaksoor || letters[index - 1] == (int)IsolatedArabicLetters.WawHamza)
|
|||
|
|
// && letters[index] != ' ' && letters[index] != (int)IsolatedArabicLetters.Dal
|
|||
|
|
// && letters[index] != (int)IsolatedArabicLetters.Thal
|
|||
|
|
// && letters[index] != (int)IsolatedArabicLetters.Ra2
|
|||
|
|
// && letters[index] != (int)IsolatedArabicLetters.Zeen && letters[index] != (int)IsolatedArabicLetters.PersianZe
|
|||
|
|
// && letters[index] != (int)IsolatedArabicLetters.Alef && letters[index] != (int)IsolatedArabicLetters.AlefHamza
|
|||
|
|
// && letters[index] != (int)IsolatedArabicLetters.AlefMaksoor
|
|||
|
|
// && letters[index] != (int)IsolatedArabicLetters.AlefMad
|
|||
|
|
// && letters[index] != (int)IsolatedArabicLetters.WawHamza
|
|||
|
|
// && letters[index] != (int)IsolatedArabicLetters.Waw
|
|||
|
|
// && letters[index] != (int)IsolatedArabicLetters.Hamza
|
|||
|
|
// && index < letters.Length - 1 && letters[index + 1] != ' ' && !char.IsPunctuation(letters[index + 1] ) && !char.IsNumber(letters[index + 1])
|
|||
|
|
// && letters[index + 1] != (int)IsolatedArabicLetters.Hamza )
|
|||
|
|
{
|
|||
|
|
return true;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Checks if the letter at index value is a finishing character in Arabic or not.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="letters">The whole word that contains the character to be checked</param>
|
|||
|
|
/// <param name="index">The index of the character to be checked</param>
|
|||
|
|
/// <returns>True if the character at index is a finishing character, else, returns false</returns>
|
|||
|
|
internal static bool IsFinishingLetter(char[] letters, int index)
|
|||
|
|
{
|
|||
|
|
//bool indexZero = index != 0;
|
|||
|
|
bool lettersThatCannotBeBeforeAFinishingLetter = index == 0 ? false :
|
|||
|
|
letters[index - 1] != ' '
|
|||
|
|
// && char.IsDigit(letters[index-1])
|
|||
|
|
// && char.IsLower(letters[index-1])
|
|||
|
|
// && char.IsUpper(letters[index-1])
|
|||
|
|
// && char.IsNumber(letters[index-1])
|
|||
|
|
// && char.IsWhiteSpace(letters[index-1])
|
|||
|
|
// && char.IsPunctuation(letters[index-1])
|
|||
|
|
// && char.IsSymbol(letters[index-1])
|
|||
|
|
|
|||
|
|
&& letters[index - 1] != (int)IsolatedArabicLetters.Dal
|
|||
|
|
&& letters[index - 1] != (int)IsolatedArabicLetters.Thal
|
|||
|
|
&& letters[index - 1] != (int)IsolatedArabicLetters.Ra2
|
|||
|
|
&& letters[index - 1] != (int)IsolatedArabicLetters.Zeen
|
|||
|
|
&& letters[index - 1] != (int)IsolatedArabicLetters.PersianZe
|
|||
|
|
//&& letters[index - 1] != (int)IsolatedArabicLetters.AlefMaksora
|
|||
|
|
&& letters[index - 1] != (int)IsolatedArabicLetters.Waw
|
|||
|
|
&& letters[index - 1] != (int)IsolatedArabicLetters.Alef
|
|||
|
|
&& letters[index - 1] != (int)IsolatedArabicLetters.AlefMad
|
|||
|
|
&& letters[index - 1] != (int)IsolatedArabicLetters.AlefHamza
|
|||
|
|
&& letters[index - 1] != (int)IsolatedArabicLetters.AlefMaksoor
|
|||
|
|
&& letters[index - 1] != (int)IsolatedArabicLetters.WawHamza
|
|||
|
|
&& letters[index - 1] != (int)IsolatedArabicLetters.Hamza
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
&& !char.IsPunctuation(letters[index - 1])
|
|||
|
|
&& letters[index - 1] != '>'
|
|||
|
|
&& letters[index - 1] != '<';
|
|||
|
|
|
|||
|
|
|
|||
|
|
bool lettersThatCannotBeFinishingLetters = letters[index] != ' ' && letters[index] != (int)IsolatedArabicLetters.Hamza;
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
if (lettersThatCannotBeBeforeAFinishingLetter && lettersThatCannotBeFinishingLetters)
|
|||
|
|
|
|||
|
|
// if (index != 0 && letters[index - 1] != ' ' && letters[index - 1] != '*' && letters[index - 1] != 'A'
|
|||
|
|
// && letters[index - 1] != (int)IsolatedArabicLetters.Dal && letters[index - 1] != (int)IsolatedArabicLetters.Thal
|
|||
|
|
// && letters[index - 1] != (int)IsolatedArabicLetters.Ra2
|
|||
|
|
// && letters[index - 1] != (int)IsolatedArabicLetters.Zeen && letters[index - 1] != (int)IsolatedArabicLetters.PersianZe
|
|||
|
|
// && letters[index - 1] != (int)IsolatedArabicLetters.AlefMaksora && letters[index - 1] != (int)IsolatedArabicLetters.Waw
|
|||
|
|
// && letters[index - 1] != (int)IsolatedArabicLetters.Alef && letters[index - 1] != (int)IsolatedArabicLetters.AlefMad
|
|||
|
|
// && letters[index - 1] != (int)IsolatedArabicLetters.AlefHamza && letters[index - 1] != (int)IsolatedArabicLetters.AlefMaksoor
|
|||
|
|
// && letters[index - 1] != (int)IsolatedArabicLetters.WawHamza && letters[index - 1] != (int)IsolatedArabicLetters.Hamza
|
|||
|
|
// && !char.IsPunctuation(letters[index - 1]) && letters[index - 1] != '>' && letters[index - 1] != '<'
|
|||
|
|
// && letters[index] != ' ' && index < letters.Length
|
|||
|
|
// && letters[index] != (int)IsolatedArabicLetters.Hamza)
|
|||
|
|
{
|
|||
|
|
//try
|
|||
|
|
//{
|
|||
|
|
// if (char.IsPunctuation(letters[index + 1]))
|
|||
|
|
// return true;
|
|||
|
|
// else
|
|||
|
|
// return false;
|
|||
|
|
//}
|
|||
|
|
//catch (Exception e)
|
|||
|
|
//{
|
|||
|
|
// return false;
|
|||
|
|
//}
|
|||
|
|
|
|||
|
|
return true;
|
|||
|
|
}
|
|||
|
|
//return true;
|
|||
|
|
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Checks if the letter at index value is a middle character in Arabic or not.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="letters">The whole word that contains the character to be checked</param>
|
|||
|
|
/// <param name="index">The index of the character to be checked</param>
|
|||
|
|
/// <returns>True if the character at index is a middle character, else, returns false</returns>
|
|||
|
|
internal static bool IsMiddleLetter(char[] letters, int index)
|
|||
|
|
{
|
|||
|
|
bool lettersThatCannotBeMiddleLetters = index == 0 ? false :
|
|||
|
|
letters[index] != (int)IsolatedArabicLetters.Alef
|
|||
|
|
&& letters[index] != (int)IsolatedArabicLetters.Dal
|
|||
|
|
&& letters[index] != (int)IsolatedArabicLetters.Thal
|
|||
|
|
&& letters[index] != (int)IsolatedArabicLetters.Ra2
|
|||
|
|
&& letters[index] != (int)IsolatedArabicLetters.Zeen
|
|||
|
|
&& letters[index] != (int)IsolatedArabicLetters.PersianZe
|
|||
|
|
//&& letters[index] != (int)IsolatedArabicLetters.AlefMaksora
|
|||
|
|
&& letters[index] != (int)IsolatedArabicLetters.Waw
|
|||
|
|
&& letters[index] != (int)IsolatedArabicLetters.AlefMad
|
|||
|
|
&& letters[index] != (int)IsolatedArabicLetters.AlefHamza
|
|||
|
|
&& letters[index] != (int)IsolatedArabicLetters.AlefMaksoor
|
|||
|
|
&& letters[index] != (int)IsolatedArabicLetters.WawHamza
|
|||
|
|
&& letters[index] != (int)IsolatedArabicLetters.Hamza;
|
|||
|
|
|
|||
|
|
bool lettersThatCannotBeBeforeMiddleCharacters = index == 0 ? false :
|
|||
|
|
letters[index - 1] != (int)IsolatedArabicLetters.Alef
|
|||
|
|
&& letters[index - 1] != (int)IsolatedArabicLetters.Dal
|
|||
|
|
&& letters[index - 1] != (int)IsolatedArabicLetters.Thal
|
|||
|
|
&& letters[index - 1] != (int)IsolatedArabicLetters.Ra2
|
|||
|
|
&& letters[index - 1] != (int)IsolatedArabicLetters.Zeen
|
|||
|
|
&& letters[index - 1] != (int)IsolatedArabicLetters.PersianZe
|
|||
|
|
//&& letters[index - 1] != (int)IsolatedArabicLetters.AlefMaksora
|
|||
|
|
&& letters[index - 1] != (int)IsolatedArabicLetters.Waw
|
|||
|
|
&& letters[index - 1] != (int)IsolatedArabicLetters.AlefMad
|
|||
|
|
&& letters[index - 1] != (int)IsolatedArabicLetters.AlefHamza
|
|||
|
|
&& letters[index - 1] != (int)IsolatedArabicLetters.AlefMaksoor
|
|||
|
|
&& letters[index - 1] != (int)IsolatedArabicLetters.WawHamza
|
|||
|
|
&& letters[index - 1] != (int)IsolatedArabicLetters.Hamza
|
|||
|
|
&& !char.IsPunctuation(letters[index - 1])
|
|||
|
|
&& letters[index - 1] != '>'
|
|||
|
|
&& letters[index - 1] != '<'
|
|||
|
|
&& letters[index - 1] != ' '
|
|||
|
|
&& letters[index - 1] != '*';
|
|||
|
|
|
|||
|
|
bool lettersThatCannotBeAfterMiddleCharacters = index >= letters.Length - 1 ? false :
|
|||
|
|
letters[index + 1] != ' '
|
|||
|
|
&& letters[index + 1] != '\r'
|
|||
|
|
&& letters[index + 1] != (int)IsolatedArabicLetters.Hamza
|
|||
|
|
&& !char.IsNumber(letters[index + 1])
|
|||
|
|
&& !char.IsSymbol(letters[index + 1])
|
|||
|
|
&& !char.IsPunctuation(letters[index + 1]);
|
|||
|
|
if (lettersThatCannotBeAfterMiddleCharacters && lettersThatCannotBeBeforeMiddleCharacters && lettersThatCannotBeMiddleLetters)
|
|||
|
|
|
|||
|
|
// if (index != 0 && letters[index] != ' '
|
|||
|
|
// && letters[index] != (int)IsolatedArabicLetters.Alef && letters[index] != (int)IsolatedArabicLetters.Dal
|
|||
|
|
// && letters[index] != (int)IsolatedArabicLetters.Thal && letters[index] != (int)IsolatedArabicLetters.Ra2
|
|||
|
|
// && letters[index] != (int)IsolatedArabicLetters.Zeen && letters[index] != (int)IsolatedArabicLetters.PersianZe
|
|||
|
|
// && letters[index] != (int)IsolatedArabicLetters.AlefMaksora
|
|||
|
|
// && letters[index] != (int)IsolatedArabicLetters.Waw && letters[index] != (int)IsolatedArabicLetters.AlefMad
|
|||
|
|
// && letters[index] != (int)IsolatedArabicLetters.AlefHamza && letters[index] != (int)IsolatedArabicLetters.AlefMaksoor
|
|||
|
|
// && letters[index] != (int)IsolatedArabicLetters.WawHamza && letters[index] != (int)IsolatedArabicLetters.Hamza
|
|||
|
|
// && letters[index - 1] != (int)IsolatedArabicLetters.Alef && letters[index - 1] != (int)IsolatedArabicLetters.Dal
|
|||
|
|
// && letters[index - 1] != (int)IsolatedArabicLetters.Thal && letters[index - 1] != (int)IsolatedArabicLetters.Ra2
|
|||
|
|
// && letters[index - 1] != (int)IsolatedArabicLetters.Zeen && letters[index - 1] != (int)IsolatedArabicLetters.PersianZe
|
|||
|
|
// && letters[index - 1] != (int)IsolatedArabicLetters.AlefMaksora
|
|||
|
|
// && letters[index - 1] != (int)IsolatedArabicLetters.Waw && letters[index - 1] != (int)IsolatedArabicLetters.AlefMad
|
|||
|
|
// && letters[index - 1] != (int)IsolatedArabicLetters.AlefHamza && letters[index - 1] != (int)IsolatedArabicLetters.AlefMaksoor
|
|||
|
|
// && letters[index - 1] != (int)IsolatedArabicLetters.WawHamza && letters[index - 1] != (int)IsolatedArabicLetters.Hamza
|
|||
|
|
// && letters[index - 1] != '>' && letters[index - 1] != '<'
|
|||
|
|
// && letters[index - 1] != ' ' && letters[index - 1] != '*' && !char.IsPunctuation(letters[index - 1])
|
|||
|
|
// && index < letters.Length - 1 && letters[index + 1] != ' ' && letters[index + 1] != '\r' && letters[index + 1] != 'A'
|
|||
|
|
// && letters[index + 1] != '>' && letters[index + 1] != '>' && letters[index + 1] != (int)IsolatedArabicLetters.Hamza
|
|||
|
|
// )
|
|||
|
|
{
|
|||
|
|
try
|
|||
|
|
{
|
|||
|
|
if (char.IsPunctuation(letters[index + 1]))
|
|||
|
|
return false;
|
|||
|
|
return true;
|
|||
|
|
}
|
|||
|
|
catch
|
|||
|
|
{
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
//return true;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|