Claunia.Encoding/Claunia.Encoding/AtariST.cs

//
// AtariST.cs
//
// Author:
//       Natalia Portillo <claunia@claunia.com>
//
// Copyright (c) 2016 © Claunia.com
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

using System;

namespace Claunia.Encoding
{
    /// <summary>
    /// Represents an Atari ST character encoding of Unicode characters.
    /// </summary>
    // TODO: 0x09 => U+1F552, 0x0A => U+1F514
    public class AtariST : Encoding
    {
        const string _bodyname = "atarist";
        const int _codepage = 0;
        const string _encodingname = "Western European (Atari ST)";
        const string _headername = "atarist";
        const string _webname = "";
        const int _windowsCodepage = 0;

        const bool browserDisplay = false;
        const bool browserSave = false;
        const bool mailNewsDisplay = false;
        const bool mailNewsSave = false;
        const bool readOnly = false;
        const bool singleByte = true;

        /// <summary>
        /// Gets a value indicating whether the current encoding can be used by browser clients for displaying content.
        /// </summary>
        public override bool IsBrowserDisplay {
            get { return browserDisplay; }
        }

        /// <summary>
        /// Gets a value indicating whether the current encoding can be used by browser clients for saving content.
        /// </summary>
        public override bool IsBrowserSave {
            get { return browserSave; }
        }

        /// <summary>
        /// Gets a value indicating whether the current encoding can be used by mail and news clients for displaying content.
        /// </summary>
        public override bool IsMailNewsDisplay {
            get { return mailNewsDisplay; }
        }

        /// <summary>
        /// Gets a value indicating whether the current encoding can be used by mail and news clients for saving content.
        /// </summary>
        public override bool IsMailNewsSave {
            get { return mailNewsSave; }
        }

        /// <summary>
        /// Gets a value indicating whether the current encoding is read-only.
        /// </summary>
        /// <value>The is single byte.</value>
        public override bool IsReadOnly {
            get { return readOnly; }
        }

        /// <summary>
        /// Gets a value indicating whether the current encoding uses single-byte code points.
        /// </summary>
        public override bool IsSingleByte {
            get { return singleByte; }
        }

        /// <summary>
        /// Gets the code page identifier of the current Encoding.
        /// </summary>
        public override int CodePage {
            get { return _codepage; }
        }

        /// <summary>
        /// Gets a name for the current encoding that can be used with mail agent body tags
        /// </summary>
        public override string BodyName {
            get { return _bodyname; }
        }

        /// <summary>
        /// Gets a name for the current encoding that can be used with mail agent header tags
        /// </summary>
        public override string HeaderName {
            get { return _headername; }
        }

        /// <summary>
        /// Ggets the name registered with the Internet Assigned Numbers Authority (IANA) for the current encoding.
        /// </summary>
        public override string WebName {
            get { return _webname; }
        }

        /// <summary>
        /// Gets the human-readable description of the current encoding.
        /// </summary>
        public override string EncodingName {
            get { return _encodingname; }
        }

        /// <summary>
        /// Gets the Windows operating system code page that most closely corresponds to the current encoding.
        /// </summary>
        public override int WindowsCodePage {
            get { return _windowsCodepage; }
        }

        /// <summary>
        /// Calculates the number of bytes produced by encoding the characters in the specified <see cref="string"/>.
        /// </summary>
        /// <returns>The number of bytes produced by encoding the specified characters.</returns>
        /// <param name="s">The <see cref="string"/> containing the set of characters to encode.</param>
        public override int GetByteCount(string s)
        {
            if(s == null)
                throw new ArgumentNullException(nameof(s));

            return s.Length;
        }

        /// <summary>
        /// Calculates the number of bytes produced by encoding a set of characters from the specified character array.
        /// </summary>
        /// <returns>The number of bytes produced by encoding the specified characters.</returns>
        /// <param name="chars">The character array containing the set of characters to encode.</param>
        /// <param name="index">The index of the first character to encode.</param>
        /// <param name="count">The number of characters to encode.</param>
        public override int GetByteCount(char[] chars, int index, int count)
        {
            if(chars == null)
                throw new ArgumentNullException(nameof(chars));

            if(index < 0 || index >= chars.Length)
                throw new ArgumentOutOfRangeException(nameof(index));

            if(count < 0 || index + count > chars.Length)
                throw new ArgumentOutOfRangeException(nameof(index));

            return count;
        }

        /// <summary>
        /// Calculates the number of bytes produced by encoding all the characters in the specified character array.
        /// </summary>
        /// <returns>The number of bytes produced by encoding all the characters in the specified character array.</returns>
        /// <param name="chars">The character array containing the characters to encode.</param>
        public override int GetByteCount(char[] chars)
        {
            if(chars == null)
                throw new ArgumentNullException(nameof(chars));

            return chars.Length;
        }

        /// <summary>
        /// Encodes a set of characters from the specified <see cref="string"/> into the specified byte array.
        /// </summary>
        /// <returns>The actual number of bytes written into bytes.</returns>
        /// <param name="s">The <see cref="string"/> containing the set of characters to encode.</param>
        /// <param name="charIndex">The index of the first character to encode.</param>
        /// <param name="charCount">The number of characters to encode.</param>
        /// <param name="bytes">The byte array to contain the resulting sequence of bytes.</param>
        /// <param name="byteIndex">The index at which to start writing the resulting sequence of bytes.</param>
        public override int GetBytes(string s, int charIndex, int charCount, byte[] bytes, int byteIndex)
        {
            return GetBytes(s.ToCharArray(), charIndex, charCount, bytes, byteIndex);
        }

        /// <summary>
        /// Encodes all the characters in the specified string into a sequence of bytes.
        /// </summary>
        /// <returns>A byte array containing the results of encoding the specified set of characters.</returns>
        /// <param name="s">The string containing the characters to encode.</param>
        public override byte[] GetBytes(string s)
        {
            if(s == null)
                throw new ArgumentNullException(nameof(s));

            return GetBytes(s.ToCharArray(), 0, s.Length);
        }

        /// <summary>
        /// Encodes a set of characters from the specified character array into the specified byte array.
        /// </summary>
        /// <returns>The actual number of bytes written into bytes.</returns>
        /// <param name="chars">The character array containing the set of characters to encode.</param>
        /// <param name="charIndex">The index of the first character to encode.</param>
        /// <param name="charCount">The number of characters to encode.</param>
        /// <param name="bytes">The byte array to contain the resulting sequence of bytes.</param>
        /// <param name="byteIndex">The index at which to start writing the resulting sequence of bytes.</param>
        public override int GetBytes(char[] chars, int charIndex, int charCount, byte[] bytes, int byteIndex)
        {
            if(chars == null)
                throw new ArgumentNullException(nameof(chars));

            if(bytes == null)
                throw new ArgumentNullException(nameof(bytes));

            if(charIndex < 0)
                throw new ArgumentOutOfRangeException(nameof(charIndex));

            if(charCount < 0)
                throw new ArgumentOutOfRangeException(nameof(charCount));

            if(byteIndex < 0)
                throw new ArgumentOutOfRangeException(nameof(byteIndex));

            if(charIndex >= chars.Length)
                throw new ArgumentOutOfRangeException(nameof(charIndex));

            if(charCount + charIndex > chars.Length)
                throw new ArgumentOutOfRangeException(nameof(charCount));

            if(byteIndex >= bytes.Length)
                throw new ArgumentOutOfRangeException(nameof(byteIndex));

            if(byteIndex + charCount > bytes.Length)
                throw new ArgumentException(nameof(bytes));

            byte[] temp = GetBytes(chars, charIndex, charCount);

            for(int i = 0; i < temp.Length; i++)
                bytes[i + byteIndex] = temp[i];

            return charCount;
        }

        /// <summary>
        /// Encodes a set of characters from the specified character array into a sequence of bytes.
        /// </summary>
        /// <returns>A byte array containing the results of encoding the specified set of characters.</returns>
        /// <param name="chars">The character array containing the set of characters to encode.</param>
        /// <param name="index">The index of the first character to encode.</param>
        /// <param name="count">The number of characters to encode.</param>
        public override byte[] GetBytes(char[] chars, int index, int count)
        {
            if(chars == null)
                throw new ArgumentNullException(nameof(chars));

            if(index < 0)
                throw new ArgumentOutOfRangeException(nameof(index));

            if(count < 0)
                throw new ArgumentOutOfRangeException(nameof(count));

            if(count + index > chars.Length)
                throw new ArgumentOutOfRangeException(nameof(count));

            byte[] bytes = new byte[count];

            for(int i = 0; i < count; i++)
                bytes[i] = GetByte(chars[index + i]);

            return bytes;
        }

        /// <summary>
        /// Encodes all the characters in the specified character array into a sequence of bytes.
        /// </summary>
        /// <returns>A byte array containing the results of encoding the specified set of characters.</returns>
        /// <param name="chars">The character array containing the characters to encode.</param>
        public override byte[] GetBytes(char[] chars)
        {
            return GetBytes(chars, 0, chars.Length);
        }

        /// <summary>
        /// Calculates the number of characters produced by decoding all the bytes in the specified byte array.
        /// </summary>
        /// <returns>The number of characters produced by decoding the specified sequence of bytes.</returns>
        /// <param name="bytes">The byte array containing the sequence of bytes to decode.</param>
        public override int GetCharCount(byte[] bytes)
        {
            return GetCharCount(bytes, 0, bytes.Length);
        }

        /// <summary>
        /// Calculates the number of characters produced by decoding a sequence of bytes from the specified byte array.
        /// </summary>
        /// <returns>The number of characters produced by decoding the specified sequence of bytes.</returns>
        /// <param name="bytes">The byte array containing the sequence of bytes to decode.</param>
        /// <param name="index">The index of the first byte to decode.</param>
        /// <param name="count">The number of bytes to decode.</param>
        public override int GetCharCount(byte[] bytes, int index, int count)
        {
            if(bytes == null)
                throw new ArgumentNullException(nameof(bytes));

            if(index < 0)
                throw new ArgumentOutOfRangeException(nameof(index));

            if(count < 0)
                throw new ArgumentOutOfRangeException(nameof(count));

            if(count + index > bytes.Length)
                throw new ArgumentOutOfRangeException(nameof(count));

            return count;
        }

        /// <summary>
        /// Decodes a sequence of bytes from the specified byte array into the specified character array.
        /// </summary>
        /// <returns>The actual number of characters written into chars.</returns>
        /// <param name="bytes">The byte array containing the sequence of bytes to decode.</param>
        /// <param name="byteIndex">The index of the first byte to decode.</param>
        /// <param name="byteCount">The number of bytes to decode.</param>
        /// <param name="chars">The character array to contain the resulting set of characters.</param>
        /// <param name="charIndex">The index at which to start writing the resulting set of characters.</param>
        public override int GetChars(byte[] bytes, int byteIndex, int byteCount, char[] chars, int charIndex)
        {
            if(bytes == null)
                throw new ArgumentNullException(nameof(bytes));

            if(chars == null)
                throw new ArgumentNullException(nameof(chars));

            if(byteIndex < 0)
                throw new ArgumentOutOfRangeException(nameof(byteIndex));

            if(byteCount < 0)
                throw new ArgumentOutOfRangeException(nameof(byteCount));

            if(charIndex < 0)
                throw new ArgumentOutOfRangeException(nameof(charIndex));

            if(byteIndex >= bytes.Length)
                throw new ArgumentOutOfRangeException(nameof(byteIndex));

            if(byteCount + byteIndex > bytes.Length)
                throw new ArgumentOutOfRangeException(nameof(byteCount));

            if(charIndex >= chars.Length)
                throw new ArgumentOutOfRangeException(nameof(charIndex));

            if(charIndex + byteCount > chars.Length)
                throw new ArgumentException(nameof(chars));

            char[] temp = GetChars(bytes, byteIndex, byteCount);

            for(int i = 0; i < temp.Length; i++)
                chars[i + charIndex] = temp[i];

            return byteCount;
        }

        /// <summary>
        /// Decodes all the bytes in the specified byte array into a set of characters.
        /// </summary>
        /// <returns>A character array containing the results of decoding the specified sequence of bytes.</returns>
        /// <param name="bytes">The byte array containing the sequence of bytes to decode.</param>
        public override char[] GetChars(byte[] bytes)
        {
            return GetChars(bytes, 0, bytes.Length);
        }

        /// <summary>
        /// Decodes a sequence of bytes from the specified byte array into a set of characters.
        /// </summary>
        /// <returns>The chars.</returns>
        /// <param name="bytes">The byte array containing the sequence of bytes to decode.</param>
        /// <param name="index">The index of the first byte to decode.</param>
        /// <param name="count">The number of bytes to decode.</param>
        public override char[] GetChars(byte[] bytes, int index, int count)
        {
            if(bytes == null)
                throw new ArgumentNullException(nameof(bytes));

            if(index < 0)
                throw new ArgumentOutOfRangeException(nameof(index));

            if(count < 0)
                throw new ArgumentOutOfRangeException(nameof(count));

            if(count + index > bytes.Length)
                throw new ArgumentOutOfRangeException(nameof(count));

            char[] chars = new char[count];

            for(int i = 0; i < count; i++)
                chars[i] = GetChar(bytes[index + i]);

            return chars;
        }

        /// <summary>
        /// Calculates the maximum number of bytes produced by encoding the specified number of characters.
        /// </summary>
        /// <returns>The maximum number of bytes produced by encoding the specified number of characters.</returns>
        /// <param name="charCount">The number of characters to encode.</param>
        public override int GetMaxByteCount(int charCount)
        {
            if(charCount < 0)
                throw new ArgumentOutOfRangeException(nameof(charCount));

            return charCount;
        }

        /// <summary>
        /// Calculates the maximum number of characters produced by decoding the specified number of bytes.
        /// </summary>
        /// <returns>The maximum number of characters produced by decoding the specified number of bytes.</returns>
        /// <param name="byteCount">The number of bytes to decode.</param>
        public override int GetMaxCharCount(int byteCount)
        {
            if(byteCount < 0)
                throw new ArgumentOutOfRangeException(nameof(byteCount));

            return byteCount;
        }

        /// <summary>
        /// Returns a sequence of bytes that specifies the encoding used.
        /// </summary>
        /// <returns>A byte array of length zero, as a preamble is not required.</returns>
        public override byte[] GetPreamble()
        {
            return new byte[0];
        }

        /// <summary>
        /// Decodes all the bytes in the specified byte array into a string.
        /// </summary>
        /// <returns>A string that contains the results of decoding the specified sequence of bytes.</returns>
        /// <param name="bytes">The byte array containing the sequence of bytes to decode.</param>
        public string GetString(byte[] bytes)
        {
            return GetString(bytes, 0, bytes.Length);
        }

        /// <summary>
        /// Decodes a sequence of bytes from the specified byte array into a string.
        /// </summary>
        /// <returns>A string that contains the results of decoding the specified sequence of bytes.</returns>
        /// <param name="bytes">The byte array containing the sequence of bytes to decode.</param>
        /// <param name="index">The index of the first byte to decode.</param>
        /// <param name="count">The number of bytes to decode.</param>
        public override string GetString(byte[] bytes, int index, int count)
        {
            return new string(GetChars(bytes, index, count));
        }

        /// <summary>
        /// The Atari ST to Unicode character map.
        /// </summary>
        static readonly char[] AtariSTTable = {
            // 0x00
            '\u0000','\u21E7','\u21E9','\u21E8','\u21E6','\u274E','\uFFFD','\uFFFD',
            // 0x08
            '\u2713','\uFFFD','\uFFFD','\u266A','\u000C','\u000D','\uFFFD','\uFFFD',
            // 0x10
            '\uFFFD','\uFFFD','\uFFFD','\uFFFD','\uFFFD','\uFFFD','\uFFFD','\uFFFD',
            // 0x18
            '\uFFFD','\uFFFD','\u0259','\u001B','\uFFFD','\uFFFD','\uFFFD','\uFFFD',
            // 0x20
            '\u0020','\u0021','\u0022','\u0023','\u0024','\u0025','\u0026','\u0027',
            // 0x28
            '\u0028','\u0029','\u002A','\u002B','\u002C','\u002D','\u002E','\u002F',
            // 0x30
            '\u0030','\u0031','\u0032','\u0033','\u0034','\u0035','\u0036','\u0037',
            // 0x38
            '\u0038','\u0039','\u003A','\u003B','\u003C','\u003D','\u003E','\u003F',
            // 0x40
            '\u0040','\u0041','\u0042','\u0043','\u0044','\u0045','\u0046','\u0047',
            // 0x48
            '\u0048','\u0049','\u004A','\u004B','\u004C','\u004D','\u004E','\u004F',
            // 0x50
            '\u0050','\u0051','\u0052','\u0053','\u0054','\u0055','\u0056','\u0057',
            // 0x58
            '\u0058','\u0059','\u005A','\u005B','\u005C','\u005D','\u005E','\u005F',
            // 0x60
            '\u0060','\u0061','\u0062','\u0063','\u0064','\u0065','\u0066','\u0067',
            // 0x68
            '\u0068','\u0069','\u006A','\u006B','\u006C','\u006D','\u006E','\u006F',
            // 0x70
            '\u0070','\u0071','\u0072','\u0073','\u0074','\u0075','\u0076','\u0077',
            // 0x78
            '\u0078','\u0079','\u007A','\u007B','\u007C','\u007D','\u007E','\u2302',
            // 0x80
            '\u00C7','\u00FC','\u00E9','\u00E2','\u00E4','\u00E0','\u00E5','\u00E7',
            // 0x88
            '\u00EA','\u00EB','\u00E8','\u00EF','\u00EE','\u00EC','\u00C4','\u00C5',
            // 0x90
            '\u00C9','\u00E6','\u00C6','\u00F4','\u00F6','\u00F2','\u00FB','\u00F9',
            // 0x98
            '\u00FF','\u00D6','\u00DC','\u00A2','\u00A3','\u00A5','\u00DF','\u0192',
            // 0xA0
            '\u00E1','\u00ED','\u00F3','\u00FA','\u00F1','\u00D1','\u00AA','\u00BA',
            // 0xA8
            '\u00BF','\u2310','\u00AC','\u00BD','\u00BC','\u00A1','\u00AB','\u00BB',
            // 0xB0
            '\u00E3','\u00F5','\u00D8','\u00F8','\u0153','\u0152','\u00C0','\u00C3',
            // 0xB8
            '\u00D5','\u00A8','\u00B4','\u2020','\u00B6','\u00A9','\u00AE','\u2122',
            // 0xC0
            '\u0133','\u0132','\u05D0','\u05D1','\u05D2','\u05D3','\u05D4','\u05D5',
            // 0xC8
            '\u05D6','\u05D7','\u05D8','\u05D9','\u05DB','\u05DC','\u05DE','\u05E0',
            // 0xD0
            '\u05E1','\u05E2','\u05E4','\u05E6','\u05E7','\u05E8','\u05E9','\u05EA',
            // 0xD8
            '\u05DF','\u05DA','\u05DD','\u05E3','\u05E5','\u00A7','\u2227','\u221E',
            // 0xE0
            '\u03B1','\u03B2','\u0393','\u03C0','\u03A3','\u03C3','\u00B5','\u03C4',
            // 0xE8
            '\u03A6','\u0398','\u03A9','\u03B4','\u222E','\u03D5','\u2208','\u2229',
            // 0xF0
            '\u2261','\u00B1','\u2265','\u2264','\u2320','\u2321','\u00F7','\u2248',
            // 0xF8
            '\u00B0','\u2219','\u00B7','\u221A','\u207F','\u00B2','\u00B3','\u00AF'
        };

        /// <summary>
        /// Converts a Atari ST character to an Unicode character
        /// </summary>
        /// <returns>Unicode character.</returns>
        /// <param name="character">Atari ST character.</param>
        static char GetChar(byte character)
        {
            return AtariSTTable[character];
        }

        /// <summary>
        /// Converts a Unicode character to an Atari ST character
        /// </summary>
        /// <returns>Atari ST character.</returns>
        /// <param name="character">Unicode character.</param>
        static byte GetByte(char character)
        {
            switch(character) {
                case '\u0000':
                    return 0x00;
                case '\u21E7':
                    return 0x01;
                case '\u21E9':
                    return 0x02;
                case '\u21E8':
                    return 0x03;
                case '\u21E6':
                    return 0x04;
                case '\u274E':
                    return 0x05;
                case '\u2713':
                    return 0x08;
                case '\u266A':
                    return 0x0B;
                case '\u000C':
                    return 0x0C;
                case '\u000D':
                    return 0x0D;
                case '\u0259':
                    return 0x1A;
                case '\u001B':
                    return 0x1B;
                case '\u0020':
                    return 0x20;
                case '\u0021':
                    return 0x21;
                case '\u0022':
                    return 0x22;
                case '\u0023':
                    return 0x23;
                case '\u0024':
                    return 0x24;
                case '\u0025':
                    return 0x25;
                case '\u0026':
                    return 0x26;
                case '\u0027':
                    return 0x27;
                case '\u0028':
                    return 0x28;
                case '\u0029':
                    return 0x29;
                case '\u002A':
                    return 0x2A;
                case '\u002B':
                    return 0x2B;
                case '\u002C':
                    return 0x2C;
                case '\u002D':
                    return 0x2D;
                case '\u002E':
                    return 0x2E;
                case '\u002F':
                    return 0x2F;
                case '\u0030':
                    return 0x30;
                case '\u0031':
                    return 0x31;
                case '\u0032':
                    return 0x32;
                case '\u0033':
                    return 0x33;
                case '\u0034':
                    return 0x34;
                case '\u0035':
                    return 0x35;
                case '\u0036':
                    return 0x36;
                case '\u0037':
                    return 0x37;
                case '\u0038':
                    return 0x38;
                case '\u0039':
                    return 0x39;
                case '\u003A':
                    return 0x3A;
                case '\u003B':
                    return 0x3B;
                case '\u003C':
                    return 0x3C;
                case '\u003D':
                    return 0x3D;
                case '\u003E':
                    return 0x3E;
                case '\u003F':
                    return 0x3F;
                case '\u0040':
                    return 0x40;
                case '\u0041':
                    return 0x41;
                case '\u0042':
                    return 0x42;
                case '\u0043':
                    return 0x43;
                case '\u0044':
                    return 0x44;
                case '\u0045':
                    return 0x45;
                case '\u0046':
                    return 0x46;
                case '\u0047':
                    return 0x47;
                case '\u0048':
                    return 0x48;
                case '\u0049':
                    return 0x49;
                case '\u004A':
                    return 0x4A;
                case '\u004B':
                    return 0x4B;
                case '\u004C':
                    return 0x4C;
                case '\u004D':
                    return 0x4D;
                case '\u004E':
                    return 0x4E;
                case '\u004F':
                    return 0x4F;
                case '\u0050':
                    return 0x50;
                case '\u0051':
                    return 0x51;
                case '\u0052':
                    return 0x52;
                case '\u0053':
                    return 0x53;
                case '\u0054':
                    return 0x54;
                case '\u0055':
                    return 0x55;
                case '\u0056':
                    return 0x56;
                case '\u0057':
                    return 0x57;
                case '\u0058':
                    return 0x58;
                case '\u0059':
                    return 0x59;
                case '\u005A':
                    return 0x5A;
                case '\u005B':
                    return 0x5B;
                case '\u005C':
                    return 0x5C;
                case '\u005D':
                    return 0x5D;
                case '\u005E':
                    return 0x5E;
                case '\u005F':
                    return 0x5F;
                case '\u0060':
                    return 0x60;
                case '\u0061':
                    return 0x61;
                case '\u0062':
                    return 0x62;
                case '\u0063':
                    return 0x63;
                case '\u0064':
                    return 0x64;
                case '\u0065':
                    return 0x65;
                case '\u0066':
                    return 0x66;
                case '\u0067':
                    return 0x67;
                case '\u0068':
                    return 0x68;
                case '\u0069':
                    return 0x69;
                case '\u006A':
                    return 0x6A;
                case '\u006B':
                    return 0x6B;
                case '\u006C':
                    return 0x6C;
                case '\u006D':
                    return 0x6D;
                case '\u006E':
                    return 0x6E;
                case '\u006F':
                    return 0x6F;
                case '\u0070':
                    return 0x70;
                case '\u0071':
                    return 0x71;
                case '\u0072':
                    return 0x72;
                case '\u0073':
                    return 0x73;
                case '\u0074':
                    return 0x74;
                case '\u0075':
                    return 0x75;
                case '\u0076':
                    return 0x76;
                case '\u0077':
                    return 0x77;
                case '\u0078':
                    return 0x78;
                case '\u0079':
                    return 0x79;
                case '\u007A':
                    return 0x7A;
                case '\u007B':
                    return 0x7B;
                case '\u007C':
                    return 0x7C;
                case '\u007D':
                    return 0x7D;
                case '\u007E':
                    return 0x7E;
                case '\u2302':
                    return 0x7F;
                case '\u00C7':
                    return 0x80;
                case '\u00FC':
                    return 0x81;
                case '\u00E9':
                    return 0x82;
                case '\u00E2':
                    return 0x83;
                case '\u00E4':
                    return 0x84;
                case '\u00E0':
                    return 0x85;
                case '\u00E5':
                    return 0x86;
                case '\u00E7':
                    return 0x87;
                case '\u00EA':
                    return 0x88;
                case '\u00EB':
                    return 0x89;
                case '\u00E8':
                    return 0x8A;
                case '\u00EF':
                    return 0x8B;
                case '\u00EE':
                    return 0x8C;
                case '\u00EC':
                    return 0x8D;
                case '\u00C4':
                    return 0x8E;
                case '\u00C5':
                    return 0x8F;
                case '\u00C9':
                    return 0x90;
                case '\u00E6':
                    return 0x91;
                case '\u00C6':
                    return 0x92;
                case '\u00F4':
                    return 0x93;
                case '\u00F6':
                    return 0x94;
                case '\u00F2':
                    return 0x95;
                case '\u00FB':
                    return 0x96;
                case '\u00F9':
                    return 0x97;
                case '\u00FF':
                    return 0x98;
                case '\u00D6':
                    return 0x99;
                case '\u00DC':
                    return 0x9A;
                case '\u00A2':
                    return 0x9B;
                case '\u00A3':
                    return 0x9C;
                case '\u00A5':
                    return 0x9D;
                case '\u00DF':
                    return 0x9E;
                case '\u0192':
                    return 0x9F;
                case '\u00E1':
                    return 0xA0;
                case '\u00ED':
                    return 0xA1;
                case '\u00F3':
                    return 0xA2;
                case '\u00FA':
                    return 0xA3;
                case '\u00F1':
                    return 0xA4;
                case '\u00D1':
                    return 0xA5;
                case '\u00AA':
                    return 0xA6;
                case '\u00BA':
                    return 0xA7;
                case '\u00BF':
                    return 0xA8;
                case '\u2310':
                    return 0xA9;
                case '\u00AC':
                    return 0xAA;
                case '\u00BD':
                    return 0xAB;
                case '\u00BC':
                    return 0xAC;
                case '\u00A1':
                    return 0xAD;
                case '\u00AB':
                    return 0xAE;
                case '\u00BB':
                    return 0xAF;
                case '\u00E3':
                    return 0xB0;
                case '\u00F5':
                    return 0xB1;
                case '\u00D8':
                    return 0xB2;
                case '\u00F8':
                    return 0xB3;
                case '\u0153':
                    return 0xB4;
                case '\u0152':
                    return 0xB5;
                case '\u00C0':
                    return 0xB6;
                case '\u00C3':
                    return 0xB7;
                case '\u00D5':
                    return 0xB8;
                case '\u00A8':
                    return 0xB9;
                case '\u00B4':
                    return 0xBA;
                case '\u2020':
                    return 0xBB;
                case '\u00B6':
                    return 0xBC;
                case '\u00A9':
                    return 0xBD;
                case '\u00AE':
                    return 0xBE;
                case '\u2122':
                    return 0xBF;
                case '\u0133':
                    return 0xC0;
                case '\u0132':
                    return 0xC1;
                case '\u05D0':
                    return 0xC2;
                case '\u05D1':
                    return 0xC3;
                case '\u05D2':
                    return 0xC4;
                case '\u05D3':
                    return 0xC5;
                case '\u05D4':
                    return 0xC6;
                case '\u05D5':
                    return 0xC7;
                case '\u05D6':
                    return 0xC8;
                case '\u05D7':
                    return 0xC9;
                case '\u05D8':
                    return 0xCA;
                case '\u05D9':
                    return 0xCB;
                case '\u05DB':
                    return 0xCC;
                case '\u05DC':
                    return 0xCD;
                case '\u05DE':
                    return 0xCE;
                case '\u05E0':
                    return 0xCF;
                case '\u05E1':
                    return 0xD0;
                case '\u05E2':
                    return 0xD1;
                case '\u05E4':
                    return 0xD2;
                case '\u05E6':
                    return 0xD3;
                case '\u05E7':
                    return 0xD4;
                case '\u05E8':
                    return 0xD5;
                case '\u05E9':
                    return 0xD6;
                case '\u05EA':
                    return 0xD7;
                case '\u05DF':
                    return 0xD8;
                case '\u05DA':
                    return 0xD9;
                case '\u05DD':
                    return 0xDA;
                case '\u05E3':
                    return 0xDB;
                case '\u05E5':
                    return 0xDC;
                case '\u00A7':
                    return 0xDD;
                case '\u2227':
                    return 0xDE;
                case '\u221E':
                    return 0xDF;
                case '\u03B1':
                    return 0xE0;
                case '\u03B2':
                    return 0xE1;
                case '\u0393':
                    return 0xE2;
                case '\u03C0':
                    return 0xE3;
                case '\u03A3':
                    return 0xE4;
                case '\u03C3':
                    return 0xE5;
                case '\u00B5':
                    return 0xE6;
                case '\u03C4':
                    return 0xE7;
                case '\u03A6':
                    return 0xE8;
                case '\u0398':
                    return 0xE9;
                case '\u03A9':
                    return 0xEA;
                case '\u03B4':
                    return 0xEB;
                case '\u222E':
                    return 0xEC;
                case '\u03D5':
                    return 0xED;
                case '\u2208':
                    return 0xEE;
                case '\u2229':
                    return 0xEF;
                case '\u2261':
                    return 0xF0;
                case '\u00B1':
                    return 0xF1;
                case '\u2265':
                    return 0xF2;
                case '\u2264':
                    return 0xF3;
                case '\u2320':
                    return 0xF4;
                case '\u2321':
                    return 0xF5;
                case '\u00F7':
                    return 0xF6;
                case '\u2248':
                    return 0xF7;
                case '\u00B0':
                    return 0xF8;
                case '\u2219':
                    return 0xF9;
                case '\u00B7':
                    return 0xFA;
                case '\u221A':
                    return 0xFB;
                case '\u207F':
                    return 0xFC;
                case '\u00B2':
                    return 0xFD;
                case '\u00B3':
                    return 0xFE;
                case '\u00AF':
                    return 0xFF;
                default:
                    // Fallback to '?'
                    return 0x3F;
            }
        }
    }
}