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Visual Studio Reformat: Emby.Server.Implementations Part T-T

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pull/1154/head
Erwin de Haan 5 years ago
parent 0efc699e3d
commit 25f0315e91
39 changed files with 1003 additions and 841 deletions
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10
Emby.Server.Implementations/TV/TVSeriesManager.cs
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@ -1,14 +1,14 @@
using System;
using System.Collections.Generic;
using System.Linq;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Dto;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.TV;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.TV;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Querying;
using System;
using System.Collections.Generic;
using System.Linq;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Dto;
namespace Emby.Server.Implementations.TV
{

6
Emby.Server.Implementations/TextEncoding/NLangDetect/DetectorFactory.cs
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@ -1,10 +1,8 @@
using System;
using System.Collections.Generic;
using System.IO;
using System.IO.Compression;
using NLangDetect.Core.Utils;
using MediaBrowser.Model.Serialization;
using System.Linq;
using MediaBrowser.Model.Serialization;
using NLangDetect.Core.Utils;
namespace NLangDetect.Core
{

24
Emby.Server.Implementations/TextEncoding/NLangDetect/ErrorCode.cs
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@ -1,15 +1,15 @@
namespace NLangDetect.Core
{
public enum ErrorCode
{
NoTextError,
FormatError,
FileLoadError,
DuplicateLangError,
NeedLoadProfileError,
CantDetectError,
CantOpenTrainData,
TrainDataFormatError,
InitParamError,
}
public enum ErrorCode
{
NoTextError,
FormatError,
FileLoadError,
DuplicateLangError,
NeedLoadProfileError,
CantDetectError,
CantOpenTrainData,
TrainDataFormatError,
InitParamError,
}
}

92
Emby.Server.Implementations/TextEncoding/NLangDetect/Extensions/CharExtensions.cs
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@ -2,13 +2,13 @@
namespace NLangDetect.Core.Extensions
{
public static class CharExtensions
{
private const int MIN_CODE_POINT = 0x000000;
private const int MAX_CODE_POINT = 0x10ffff;
public static class CharExtensions
{
private const int MIN_CODE_POINT = 0x000000;
private const int MAX_CODE_POINT = 0x10ffff;
private static readonly int[] _unicodeBlockStarts =
{
private static readonly int[] _unicodeBlockStarts =
{
#region Unicode block starts
0x0000, // Basic Latin
@ -165,8 +165,8 @@ namespace NLangDetect.Core.Extensions
#endregion
};
private static readonly UnicodeBlock?[] _unicodeBlocks =
{
private static readonly UnicodeBlock?[] _unicodeBlocks =
{
#region Unicode blocks
UnicodeBlock.BasicLatin,
UnicodeBlock.Latin1Supplement,
@ -322,53 +322,53 @@ namespace NLangDetect.Core.Extensions
#endregion
};
#region Public methods
#region Public methods
/// <remarks>
/// Taken from JDK source: http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/6-b14/java/lang/Character.java#Character.UnicodeBlock.0LATIN_EXTENDED_ADDITIONAL
/// </remarks>
public static UnicodeBlock? GetUnicodeBlock(this char ch)
{
int codePoint = ch;
/// <remarks>
/// Taken from JDK source: http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/6-b14/java/lang/Character.java#Character.UnicodeBlock.0LATIN_EXTENDED_ADDITIONAL
/// </remarks>
public static UnicodeBlock? GetUnicodeBlock(this char ch)
{
int codePoint = ch;
if (!IsValidCodePoint(codePoint))
{
throw new ArgumentException("Argument is not a valid code point.", nameof(ch));
}
if (!IsValidCodePoint(codePoint))
{
throw new ArgumentException("Argument is not a valid code point.", nameof(ch));
}
int top, bottom, current;
int top, bottom, current;
bottom = 0;
top = _unicodeBlockStarts.Length;
current = top / 2;
bottom = 0;
top = _unicodeBlockStarts.Length;
current = top / 2;
// invariant: top > current >= bottom && codePoint >= unicodeBlockStarts[bottom]
while (top - bottom > 1)
{
if (codePoint >= _unicodeBlockStarts[current])
{
bottom = current;
}
else
{
top = current;
}
// invariant: top > current >= bottom && codePoint >= unicodeBlockStarts[bottom]
while (top - bottom > 1)
{
if (codePoint >= _unicodeBlockStarts[current])
{
bottom = current;
}
else
{
top = current;
}
current = (top + bottom) / 2;
}
current = (top + bottom) / 2;
}
return _unicodeBlocks[current];
}
return _unicodeBlocks[current];
}
#endregion
#endregion
#region Private helper methods
#region Private helper methods
private static bool IsValidCodePoint(int codePoint)
{
return codePoint >= MIN_CODE_POINT && codePoint <= MAX_CODE_POINT;
}
private static bool IsValidCodePoint(int codePoint)
{
return codePoint >= MIN_CODE_POINT && codePoint <= MAX_CODE_POINT;
}
#endregion
}
#endregion
}
}

74
Emby.Server.Implementations/TextEncoding/NLangDetect/Extensions/RandomExtensions.cs
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@ -2,50 +2,50 @@
namespace NLangDetect.Core.Extensions
{
public static class RandomExtensions
{
private const double _Epsilon = 2.22044604925031E-15;
private static readonly object _mutex = new object();
private static double _nextNextGaussian;
private static bool _hasNextNextGaussian;
/// <summary>
/// Returns the next pseudorandom, Gaussian ("normally") distributed double value with mean 0.0 and standard deviation 1.0 from this random number generator's sequence.
/// The general contract of nextGaussian is that one double value, chosen from (approximately) the usual normal distribution with mean 0.0 and standard deviation 1.0, is pseudorandomly generated and returned.
/// </summary>
/// <remarks>
/// Taken from: http://download.oracle.com/javase/6/docs/api/java/util/Random.html (nextGaussian())
/// </remarks>
public static double NextGaussian(this Random random)
public static class RandomExtensions
{
lock (_mutex)
{
if (_hasNextNextGaussian)
{
_hasNextNextGaussian = false;
private const double _Epsilon = 2.22044604925031E-15;
return _nextNextGaussian;
}
private static readonly object _mutex = new object();
double v1, v2, s;
private static double _nextNextGaussian;
private static bool _hasNextNextGaussian;
do
/// <summary>
/// Returns the next pseudorandom, Gaussian ("normally") distributed double value with mean 0.0 and standard deviation 1.0 from this random number generator's sequence.
/// The general contract of nextGaussian is that one double value, chosen from (approximately) the usual normal distribution with mean 0.0 and standard deviation 1.0, is pseudorandomly generated and returned.
/// </summary>
/// <remarks>
/// Taken from: http://download.oracle.com/javase/6/docs/api/java/util/Random.html (nextGaussian())
/// </remarks>
public static double NextGaussian(this Random random)
{
v1 = 2.0 * random.NextDouble() - 1.0; // between -1.0 and 1.0
v2 = 2.0 * random.NextDouble() - 1.0; // between -1.0 and 1.0
s = v1 * v1 + v2 * v2;
}
while (s >= 1.0 || Math.Abs(s - 0.0) < _Epsilon);
lock (_mutex)
{
if (_hasNextNextGaussian)
{
_hasNextNextGaussian = false;
return _nextNextGaussian;
}
double multiplier = Math.Sqrt(-2.0 * Math.Log(s) / s);
double v1, v2, s;
_nextNextGaussian = v2 * multiplier;
_hasNextNextGaussian = true;
do
{
v1 = 2.0 * random.NextDouble() - 1.0; // between -1.0 and 1.0
v2 = 2.0 * random.NextDouble() - 1.0; // between -1.0 and 1.0
s = v1 * v1 + v2 * v2;
}
while (s >= 1.0 || Math.Abs(s - 0.0) < _Epsilon);
return v1 * multiplier;
}
double multiplier = Math.Sqrt(-2.0 * Math.Log(s) / s);
_nextNextGaussian = v2 * multiplier;
_hasNextNextGaussian = true;
return v1 * multiplier;
}
}
}
}
}

256
Emby.Server.Implementations/TextEncoding/NLangDetect/Extensions/UnicodeBlock.cs
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@ -1,131 +1,131 @@
namespace NLangDetect.Core.Extensions
{
public enum UnicodeBlock
{
BasicLatin,
Latin1Supplement,
LatinExtendedA,
LatinExtendedB,
IpaExtensions,
SpacingModifierLetters,
CombiningDiacriticalMarks,
Greek,
Cyrillic,
CyrillicSupplementary,
Armenian,
Hebrew,
Arabic,
Syriac,
Thaana,
Devanagari,
Bengali,
Gurmukhi,
Gujarati,
Oriya,
Tamil,
Telugu,
Kannada,
Malayalam,
Sinhala,
Thai,
Lao,
Tibetan,
Myanmar,
Georgian,
HangulJamo,
Ethiopic,
Cherokee,
UnifiedCanadianAboriginalSyllabics,
Ogham,
Runic,
Tagalog,
Hanunoo,
Buhid,
Tagbanwa,
Khmer,
Mongolian,
Limbu,
TaiLe,
KhmerSymbols,
PhoneticExtensions,
LatinExtendedAdditional,
GreekExtended,
GeneralPunctuation,
SuperscriptsAndSubscripts,
CurrencySymbols,
CombiningMarksForSymbols,
LetterlikeSymbols,
NumberForms,
Arrows,
MathematicalOperators,
MiscellaneousTechnical,
ControlPictures,
OpticalCharacterRecognition,
EnclosedAlphanumerics,
BoxDrawing,
BlockElements,
GeometricShapes,
MiscellaneousSymbols,
Dingbats,
MiscellaneousMathematicalSymbolsA,
SupplementalArrowsA,
BraillePatterns,
SupplementalArrowsB,
MiscellaneousMathematicalSymbolsB,
SupplementalMathematicalOperators,
MiscellaneousSymbolsAndArrows,
CjkRadicalsSupplement,
KangxiRadicals,
IdeographicDescriptionCharacters,
CjkSymbolsAndPunctuation,
Hiragana,
Katakana,
Bopomofo,
HangulCompatibilityJamo,
Kanbun,
BopomofoExtended,
KatakanaPhoneticExtensions,
EnclosedCjkLettersAndMonths,
CjkCompatibility,
CjkUnifiedIdeographsExtensionA,
YijingHexagramSymbols,
CjkUnifiedIdeographs,
YiSyllables,
YiRadicals,
HangulSyllables,
HighSurrogates,
HighPrivateUseSurrogates,
LowSurrogates,
PrivateUseArea,
CjkCompatibilityIdeographs,
AlphabeticPresentationForms,
ArabicPresentationFormsA,
VariationSelectors,
CombiningHalfMarks,
CjkCompatibilityForms,
SmallFormVariants,
ArabicPresentationFormsB,
HalfwidthAndFullwidthForms,
Specials,
LinearBSyllabary,
LinearBIdeograms,
AegeanNumbers,
OldItalic,
Gothic,
Ugaritic,
Deseret,
Shavian,
Osmanya,
CypriotSyllabary,
ByzantineMusicalSymbols,
MusicalSymbols,
TaiXuanJingSymbols,
MathematicalAlphanumericSymbols,
CjkUnifiedIdeographsExtensionB,
CjkCompatibilityIdeographsSupplement,
Tags,
VariationSelectorsSupplement,
SupplementaryPrivateUseAreaA,
SupplementaryPrivateUseAreaB,
}
public enum UnicodeBlock
{
BasicLatin,
Latin1Supplement,
LatinExtendedA,
LatinExtendedB,
IpaExtensions,
SpacingModifierLetters,
CombiningDiacriticalMarks,
Greek,
Cyrillic,
CyrillicSupplementary,
Armenian,
Hebrew,
Arabic,
Syriac,
Thaana,
Devanagari,
Bengali,
Gurmukhi,
Gujarati,
Oriya,
Tamil,
Telugu,
Kannada,
Malayalam,
Sinhala,
Thai,
Lao,
Tibetan,
Myanmar,
Georgian,
HangulJamo,
Ethiopic,
Cherokee,
UnifiedCanadianAboriginalSyllabics,
Ogham,
Runic,
Tagalog,
Hanunoo,
Buhid,
Tagbanwa,
Khmer,
Mongolian,
Limbu,
TaiLe,
KhmerSymbols,
PhoneticExtensions,
LatinExtendedAdditional,
GreekExtended,
GeneralPunctuation,
SuperscriptsAndSubscripts,
CurrencySymbols,
CombiningMarksForSymbols,
LetterlikeSymbols,
NumberForms,
Arrows,
MathematicalOperators,
MiscellaneousTechnical,
ControlPictures,
OpticalCharacterRecognition,
EnclosedAlphanumerics,
BoxDrawing,
BlockElements,
GeometricShapes,
MiscellaneousSymbols,
Dingbats,
MiscellaneousMathematicalSymbolsA,
SupplementalArrowsA,
BraillePatterns,
SupplementalArrowsB,
MiscellaneousMathematicalSymbolsB,
SupplementalMathematicalOperators,
MiscellaneousSymbolsAndArrows,
CjkRadicalsSupplement,
KangxiRadicals,
IdeographicDescriptionCharacters,
CjkSymbolsAndPunctuation,
Hiragana,
Katakana,
Bopomofo,
HangulCompatibilityJamo,
Kanbun,
BopomofoExtended,
KatakanaPhoneticExtensions,
EnclosedCjkLettersAndMonths,
CjkCompatibility,
CjkUnifiedIdeographsExtensionA,
YijingHexagramSymbols,
CjkUnifiedIdeographs,
YiSyllables,
YiRadicals,
HangulSyllables,
HighSurrogates,
HighPrivateUseSurrogates,
LowSurrogates,
PrivateUseArea,
CjkCompatibilityIdeographs,
AlphabeticPresentationForms,
ArabicPresentationFormsA,
VariationSelectors,
CombiningHalfMarks,
CjkCompatibilityForms,
SmallFormVariants,
ArabicPresentationFormsB,
HalfwidthAndFullwidthForms,
Specials,
LinearBSyllabary,
LinearBIdeograms,
AegeanNumbers,
OldItalic,
Gothic,
Ugaritic,
Deseret,
Shavian,
Osmanya,
CypriotSyllabary,
ByzantineMusicalSymbols,
MusicalSymbols,
TaiXuanJingSymbols,
MathematicalAlphanumericSymbols,
CjkUnifiedIdeographsExtensionB,
CjkCompatibilityIdeographsSupplement,
Tags,
VariationSelectorsSupplement,
SupplementaryPrivateUseAreaA,
SupplementaryPrivateUseAreaB,
}
}

96
Emby.Server.Implementations/TextEncoding/NLangDetect/GenProfile.cs
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@ -1,67 +1,67 @@
using System;
using System.IO;
using System.IO.Compression;
using System.Xml;
using NLangDetect.Core.Utils;
using System.IO;
namespace NLangDetect.Core
{
// TODO IMM HI: xml reader not tested
public static class GenProfile
{
#region Public methods
public static LangProfile load(string lang, string file)
// TODO IMM HI: xml reader not tested
public static class GenProfile
{
LangProfile profile = new LangProfile(lang);
TagExtractor tagextractor = new TagExtractor("abstract", 100);
Stream inputStream = null;
try
{
inputStream = File.OpenRead(file);
string extension = Path.GetExtension(file) ?? "";
#region Public methods
if (extension.ToUpper() == ".GZ")
public static LangProfile load(string lang, string file)
{
inputStream = new GZipStream(inputStream, CompressionMode.Decompress);
}
LangProfile profile = new LangProfile(lang);
TagExtractor tagextractor = new TagExtractor("abstract", 100);
Stream inputStream = null;
using (XmlReader xmlReader = XmlReader.Create(inputStream))
{
while (xmlReader.Read())
{
switch (xmlReader.NodeType)
try
{
case XmlNodeType.Element:
tagextractor.SetTag(xmlReader.Name);
break;
inputStream = File.OpenRead(file);
string extension = Path.GetExtension(file) ?? "";
if (extension.ToUpper() == ".GZ")
{
inputStream = new GZipStream(inputStream, CompressionMode.Decompress);
}
case XmlNodeType.Text:
tagextractor.Add(xmlReader.Value);
break;
using (XmlReader xmlReader = XmlReader.Create(inputStream))
{
while (xmlReader.Read())
{
switch (xmlReader.NodeType)
{
case XmlNodeType.Element:
tagextractor.SetTag(xmlReader.Name);
break;
case XmlNodeType.EndElement:
tagextractor.CloseTag(profile);
break;
case XmlNodeType.Text:
tagextractor.Add(xmlReader.Value);
break;
case XmlNodeType.EndElement:
tagextractor.CloseTag(profile);
break;
}
}
}
}
finally
{
if (inputStream != null)
{
inputStream.Close();
}
}
}
}
}
finally
{
if (inputStream != null)
{
inputStream.Close();
}
}
Console.WriteLine(lang + ": " + tagextractor.Count);
Console.WriteLine(lang + ": " + tagextractor.Count);
return profile;
}
return profile;
}
#endregion
}
#endregion
}
}

28
Emby.Server.Implementations/TextEncoding/NLangDetect/InternalException.cs
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@ -2,21 +2,21 @@
namespace NLangDetect.Core
{
[Serializable]
public class InternalException : Exception
{
#region Constructor(s)
public InternalException(string message, Exception innerException)
: base(message, innerException)
[Serializable]
public class InternalException : Exception
{
}
#region Constructor(s)
public InternalException(string message)
: this(message, null)
{
}
public InternalException(string message, Exception innerException)
: base(message, innerException)
{
}
public InternalException(string message)
: this(message, null)
{
}
#endregion
}
#endregion
}
}

62
Emby.Server.Implementations/TextEncoding/NLangDetect/Language.cs
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@ -2,44 +2,44 @@ using System.Globalization;
namespace NLangDetect.Core
{
// TODO IMM HI: name??
public class Language
{
#region Constructor(s)
public Language(string name, double probability)
// TODO IMM HI: name??
public class Language
{
Name = name;
Probability = probability;
}
#region Constructor(s)
#endregion
public Language(string name, double probability)
{
Name = name;
Probability = probability;
}
#region Object overrides
#endregion
public override string ToString()
{
if (Name == null)
{
return "";
}
return
string.Format(
CultureInfo.InvariantCulture.NumberFormat,
"{0}:{1:0.000000}",
Name,
Probability);
}
#region Object overrides
#endregion
public override string ToString()
{
if (Name == null)
{
return "";
}
#region Properties
return
string.Format(
CultureInfo.InvariantCulture.NumberFormat,
"{0}:{1:0.000000}",
Name,
Probability);
}
public string Name { get; set; }
#endregion
public double Probability { get; set; }
#region Properties
#endregion
}
public string Name { get; set; }
public double Probability { get; set; }
#endregion
}
}

26
Emby.Server.Implementations/TextEncoding/NLangDetect/NLangDetectException.cs
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@ -2,22 +2,22 @@
namespace NLangDetect.Core
{
public class NLangDetectException : Exception
{
#region Constructor(s)
public NLangDetectException(string message, ErrorCode errorCode)
: base(message)
public class NLangDetectException : Exception
{
ErrorCode = errorCode;
}
#region Constructor(s)
#endregion
public NLangDetectException(string message, ErrorCode errorCode)
: base(message)
{
ErrorCode = errorCode;
}
#region Properties
#endregion
public ErrorCode ErrorCode { get; private set; }
#region Properties
#endregion
}
public ErrorCode ErrorCode { get; private set; }
#endregion
}
}

46
Emby.Server.Implementations/TextEncoding/NLangDetect/ProbVector.cs
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@ -3,33 +3,33 @@ using System.Collections.Generic;
namespace NLangDetect.Core
{
public class ProbVector
{
private readonly Dictionary<int, double> _dict = new Dictionary<int, double>();
public double this[int key]
public class ProbVector
{
get
{
double value;
return _dict.TryGetValue(key, out value) ? value : 0.0;
}
private readonly Dictionary<int, double> _dict = new Dictionary<int, double>();
set
{
if (Math.Abs(value) < double.Epsilon)
public double this[int key]
{
if (_dict.ContainsKey(key))
{
_dict.Remove(key);
}
get
{
double value;
return;
}
return _dict.TryGetValue(key, out value) ? value : 0.0;
}
_dict[key] = value;
}
set
{
if (Math.Abs(value) < double.Epsilon)
{
if (_dict.ContainsKey(key))
{
_dict.Remove(key);
}
return;
}
_dict[key] = value;
}
}
}
}
}

7
Emby.Server.Implementations/TextEncoding/NLangDetect/Utils/Messages.cs
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@ -1,10 +1,9 @@
using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Reflection;
using System.Text.RegularExpressions;
using System.Linq;
using System;
using System.Text.RegularExpressions;
namespace NLangDetect.Core.Utils
{
@ -29,7 +28,7 @@ namespace NLangDetect.Core.Utils
private static Dictionary<string, string> LoadMessages()
{
var manifestName = typeof(Messages).Assembly.GetManifestResourceNames().FirstOrDefault(i => i.IndexOf("messages.properties", StringComparison.Ordinal) != -1) ;
var manifestName = typeof(Messages).Assembly.GetManifestResourceNames().FirstOrDefault(i => i.IndexOf("messages.properties", StringComparison.Ordinal) != -1);
Stream messagesStream =
typeof(Messages).Assembly

304
Emby.Server.Implementations/TextEncoding/NLangDetect/Utils/NGram.cs
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@ -6,14 +6,14 @@ using NLangDetect.Core.Extensions;
namespace NLangDetect.Core.Utils
{
public class NGram
{
public const int GramsCount = 3;
public class NGram
{
public const int GramsCount = 3;
private static readonly string Latin1Excluded = Messages.getString("NGram.LATIN1_EXCLUDE");
private static readonly string Latin1Excluded = Messages.getString("NGram.LATIN1_EXCLUDE");
private static readonly string[] CjkClass =
{
private static readonly string[] CjkClass =
{
#region CJK classes
Messages.getString("NGram.KANJI_1_0"),
@ -146,185 +146,185 @@ namespace NLangDetect.Core.Utils
#endregion
};
private static readonly Dictionary<char, char> _cjkMap;
private static readonly Dictionary<char, char> _cjkMap;
private StringBuilder _grams;
private bool _capitalword;
private StringBuilder _grams;
private bool _capitalword;
#region Constructor(s)
#region Constructor(s)
static NGram()
{
_cjkMap = new Dictionary<char, char>();
static NGram()
{
_cjkMap = new Dictionary<char, char>();
foreach (string cjk_list in CjkClass)
{
char representative = cjk_list[0];
foreach (string cjk_list in CjkClass)
{
char representative = cjk_list[0];
for (int i = 0; i < cjk_list.Length; i++)
{
_cjkMap.Add(cjk_list[i], representative);
for (int i = 0; i < cjk_list.Length; i++)
{
_cjkMap.Add(cjk_list[i], representative);
}
}
}
}
}
public NGram()
{
_grams = new StringBuilder(" ");
_capitalword = false;
}
#endregion
public NGram()
{
_grams = new StringBuilder(" ");
_capitalword = false;
}
#region Public methods
#endregion
public static char Normalize(char ch)
{
UnicodeBlock? unicodeBlock = ch.GetUnicodeBlock();
#region Public methods
if (!unicodeBlock.HasValue)
{
return ch;
}
public static char Normalize(char ch)
{
UnicodeBlock? unicodeBlock = ch.GetUnicodeBlock();
switch (unicodeBlock.Value)
{
case UnicodeBlock.BasicLatin:
{
if (ch < 'A' || (ch < 'a' && ch > 'Z') || ch > 'z')
if (!unicodeBlock.HasValue)
{
return ' ';
return ch;
}
break;
}
case UnicodeBlock.Latin1Supplement:
{
if (Latin1Excluded.IndexOf(ch) >= 0)
switch (unicodeBlock.Value)
{
return ' ';
case UnicodeBlock.BasicLatin:
{
if (ch < 'A' || (ch < 'a' && ch > 'Z') || ch > 'z')
{
return ' ';
}
break;
}
case UnicodeBlock.Latin1Supplement:
{
if (Latin1Excluded.IndexOf(ch) >= 0)
{
return ' ';
}
break;
}
case UnicodeBlock.GeneralPunctuation:
{
return ' ';
}
case UnicodeBlock.Arabic:
{
if (ch == '\u06cc')
{
return '\u064a';
}
break;
}
case UnicodeBlock.LatinExtendedAdditional:
{
if (ch >= '\u1ea0')
{
return '\u1ec3';
}
break;
}
case UnicodeBlock.Hiragana:
{
return '\u3042';
}
case UnicodeBlock.Katakana:
{
return '\u30a2';
}
case UnicodeBlock.Bopomofo:
case UnicodeBlock.BopomofoExtended:
{
return '\u3105';
}
case UnicodeBlock.CjkUnifiedIdeographs:
{
if (_cjkMap.ContainsKey(ch))
{
return _cjkMap[ch];
}
break;
}
case UnicodeBlock.HangulSyllables:
{
return '\uac00';
}
}
break;
}
case UnicodeBlock.GeneralPunctuation:
{
return ' ';
}
return ch;
}
case UnicodeBlock.Arabic:
{
if (ch == '\u06cc')
public void AddChar(char ch)
{
ch = Normalize(ch);
char lastchar = _grams[_grams.Length - 1];
if (lastchar == ' ')
{
return '\u064a';
_grams = new StringBuilder(" ");
_capitalword = false;
if (ch == ' ') return;
}
break;
}
case UnicodeBlock.LatinExtendedAdditional:
{
if (ch >= '\u1ea0')
else if (_grams.Length >= GramsCount)
{
return '\u1ec3';
_grams.Remove(0, 1);
}
_grams.Append(ch);
break;
}
case UnicodeBlock.Hiragana:
{
return '\u3042';
}
case UnicodeBlock.Katakana:
{
return '\u30a2';
}
case UnicodeBlock.Bopomofo:
case UnicodeBlock.BopomofoExtended:
{
return '\u3105';
}
case UnicodeBlock.CjkUnifiedIdeographs:
{
if (_cjkMap.ContainsKey(ch))
if (char.IsUpper(ch))
{
return _cjkMap[ch];
if (char.IsUpper(lastchar)) _capitalword = true;
}
else
{
_capitalword = false;
}
}
break;
}
case UnicodeBlock.HangulSyllables:
{
return '\uac00';
}
}
return ch;
}
public string Get(int n)
{
if (_capitalword)
{
return null;
}
public void AddChar(char ch)
{
ch = Normalize(ch);
char lastchar = _grams[_grams.Length - 1];
if (lastchar == ' ')
{
_grams = new StringBuilder(" ");
_capitalword = false;
if (ch == ' ') return;
}
else if (_grams.Length >= GramsCount)
{
_grams.Remove(0, 1);
}
_grams.Append(ch);
if (char.IsUpper(ch))
{
if (char.IsUpper(lastchar)) _capitalword = true;
}
else
{
_capitalword = false;
}
}
int len = _grams.Length;
public string Get(int n)
{
if (_capitalword)
{
return null;
}
if (n < 1 || n > 3 || len < n)
{
return null;
}
int len = _grams.Length;
if (n == 1)
{
char ch = _grams[len - 1];
if (n < 1 || n > 3 || len < n)
{
return null;
}
if (ch == ' ')
{
return null;
}
if (n == 1)
{
char ch = _grams[len - 1];
return ch.ToString();
}
if (ch == ' ')
{
return null;
// TODO IMM HI: is ToString() here effective?
return _grams.ToString().SubSequence(len - n, len);
}
return ch.ToString();
}
// TODO IMM HI: is ToString() here effective?
return _grams.ToString().SubSequence(len - n, len);
#endregion
}
#endregion
}
}

110
Emby.Server.Implementations/TextEncoding/NLangDetect/Utils/TagExtractor.cs
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@ -2,75 +2,75 @@ using System.Text;
namespace NLangDetect.Core.Utils
{
public class TagExtractor
{
// TODO IMM HI: do the really need to be internal?
internal string Target;
internal int Threshold;
internal StringBuilder StringBuilder;
internal string Tag;
#region Constructor(s)
public TagExtractor(string tag, int threshold)
public class TagExtractor
{
Target = tag;
Threshold = threshold;
Count = 0;
Clear();
}
// TODO IMM HI: do the really need to be internal?
internal string Target;
internal int Threshold;
internal StringBuilder StringBuilder;
internal string Tag;
#endregion
#region Constructor(s)
#region Public methods
public void Clear()
{
StringBuilder = new StringBuilder();
Tag = null;
}
public TagExtractor(string tag, int threshold)
{
Target = tag;
Threshold = threshold;
Count = 0;
Clear();
}
public void SetTag(string tag)
{
Tag = tag;
}
#endregion
public void Add(string line)
{
if (Tag == Target && line != null)
{
StringBuilder.Append(line);
}
}
#region Public methods
public void CloseTag(LangProfile profile)
{
if (profile != null && Tag == Target && StringBuilder.Length > Threshold)
{
var gram = new NGram();
public void Clear()
{
StringBuilder = new StringBuilder();
Tag = null;
}
for (int i = 0; i < StringBuilder.Length; i++)
public void SetTag(string tag)
{
gram.AddChar(StringBuilder[i]);
Tag = tag;
}
for (int n = 1; n <= NGram.GramsCount; n++)
{
profile.Add(gram.Get(n));
}
public void Add(string line)
{
if (Tag == Target && line != null)
{
StringBuilder.Append(line);
}
}
Count++;
}
public void CloseTag(LangProfile profile)
{
if (profile != null && Tag == Target && StringBuilder.Length > Threshold)
{
var gram = new NGram();
for (int i = 0; i < StringBuilder.Length; i++)
{
gram.AddChar(StringBuilder[i]);
Clear();
}
for (int n = 1; n <= NGram.GramsCount; n++)
{
profile.Add(gram.Get(n));
}
}
Count++;
}
#endregion
Clear();
}
#endregion
#region Properties
#region Properties
public int Count { get; private set; }
public int Count { get; private set; }
#endregion
}
#endregion
}
}

2
Emby.Server.Implementations/TextEncoding/TextEncoding.cs
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@ -1,9 +1,9 @@
using System;
using System.Text;
using MediaBrowser.Model.IO;
using Microsoft.Extensions.Logging;
using MediaBrowser.Model.Serialization;
using MediaBrowser.Model.Text;
using Microsoft.Extensions.Logging;
using NLangDetect.Core;
using UniversalDetector;

8
Emby.Server.Implementations/TextEncoding/UniversalDetector/CharsetDetector.cs
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@ -100,7 +100,7 @@ namespace UniversalDetector
this.confidence = 0.0f;
base.Reset();
}
public string Charset => charset;
public float Confidence => confidence;
@ -109,9 +109,9 @@ namespace UniversalDetector
{
this.charset = charset;
this.confidence = confidence;
// if (Finished != null) {
// Finished(charset, confidence);
// }
// if (Finished != null) {
// Finished(charset, confidence);
// }
}
}

23
Emby.Server.Implementations/TextEncoding/UniversalDetector/Core/Big5Prober.cs
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@ -57,27 +57,34 @@ namespace UniversalDetector.Core
int codingState = 0;
int max = offset + len;
for (int i = offset; i < max; i++) {
for (int i = offset; i < max; i++)
{
codingState = codingSM.NextState(buf[i]);
if (codingState == SMModel.ERROR) {
if (codingState == SMModel.ERROR)
{
state = ProbingState.NotMe;
break;
}
if (codingState == SMModel.ITSME) {
if (codingState == SMModel.ITSME)
{
state = ProbingState.FoundIt;
break;
}
if (codingState == SMModel.START) {
if (codingState == SMModel.START)
{
int charLen = codingSM.CurrentCharLen;
if (i == offset) {
if (i == offset)
{
lastChar[1] = buf[offset];
distributionAnalyser.HandleOneChar(lastChar, 0, charLen);
} else {
distributionAnalyser.HandleOneChar(buf, i-1, charLen);
}
else
{
distributionAnalyser.HandleOneChar(buf, i - 1, charLen);
}
}
}
lastChar[0] = buf[max-1];
lastChar[0] = buf[max - 1];
if (state == ProbingState.Detecting)
if (distributionAnalyser.GotEnoughData() && GetConfidence() > SHORTCUT_THRESHOLD)

18
Emby.Server.Implementations/TextEncoding/UniversalDetector/Core/BitPackage.cs
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@ -40,20 +40,20 @@ namespace UniversalDetector.Core
{
public class BitPackage
{
public static int INDEX_SHIFT_4BITS = 3;
public static int INDEX_SHIFT_8BITS = 2;
public static int INDEX_SHIFT_4BITS = 3;
public static int INDEX_SHIFT_8BITS = 2;
public static int INDEX_SHIFT_16BITS = 1;
public static int SHIFT_MASK_4BITS = 7;
public static int SHIFT_MASK_8BITS = 3;
public static int SHIFT_MASK_4BITS = 7;
public static int SHIFT_MASK_8BITS = 3;
public static int SHIFT_MASK_16BITS = 1;
public static int BIT_SHIFT_4BITS = 2;
public static int BIT_SHIFT_8BITS = 3;
public static int BIT_SHIFT_4BITS = 2;
public static int BIT_SHIFT_8BITS = 3;
public static int BIT_SHIFT_16BITS = 4;
public static int UNIT_MASK_4BITS = 0x0000000F;
public static int UNIT_MASK_8BITS = 0x000000FF;
public static int UNIT_MASK_4BITS = 0x0000000F;
public static int UNIT_MASK_8BITS = 0x000000FF;
public static int UNIT_MASK_16BITS = 0x0000FFFF;
private int indexShift;
@ -94,5 +94,5 @@ namespace UniversalDetector.Core
return (data[i >> indexShift] >>
((i & shiftMask) << bitShift)) & unitMask;
}
}
}
}

38
Emby.Server.Implementations/TextEncoding/UniversalDetector/Core/CharDistributionAnalyser.cs
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@ -97,9 +97,11 @@ namespace UniversalDetector.Core
{
//we only care about 2-bytes character in our distribution analysis
int order = (charLen == 2) ? GetOrder(buf, offset) : -1;
if (order >= 0) {
if (order >= 0)
{
totalChars++;
if (order < tableSize) { // order is valid
if (order < tableSize)
{ // order is valid
if (512 > charToFreqOrder[order])
freqChars++;
}
@ -124,7 +126,8 @@ namespace UniversalDetector.Core
// negative answer
if (totalChars <= 0 || freqChars <= MINIMUM_DATA_THRESHOLD)
return SURE_NO;
if (totalChars != freqChars) {
if (totalChars != freqChars)
{
float r = freqChars / ((totalChars - freqChars) * typicalDistributionRatio);
if (r < SURE_YES)
return r;
@ -610,8 +613,8 @@ namespace UniversalDetector.Core
/// <returns></returns>
public override int GetOrder(byte[] buf, int offset)
{
if (buf[offset] >= 0xB0 && buf[offset+1] >= 0xA1)
return 94 * (buf[offset] - 0xb0) + buf[offset+1] - 0xA1;
if (buf[offset] >= 0xB0 && buf[offset + 1] >= 0xA1)
return 94 * (buf[offset] - 0xb0) + buf[offset + 1] - 0xA1;
else
return -1;
}
@ -1040,7 +1043,7 @@ namespace UniversalDetector.Core
public override int GetOrder(byte[] buf, int offset)
{
if (buf[offset] >= 0xC4)
return 94 * (buf[offset] - 0xC4) + buf[offset+1] - 0xA1;
return 94 * (buf[offset] - 0xC4) + buf[offset + 1] - 0xA1;
else
return -1;
}
@ -1048,7 +1051,7 @@ namespace UniversalDetector.Core
public class EUCKRDistributionAnalyser : CharDistributionAnalyser
{
// Sampling from about 20M text materials include literature and computer technology
// Sampling from about 20M text materials include literature and computer technology
/*
* 128 --> 0.79
* 256 --> 0.92
@ -1634,7 +1637,7 @@ namespace UniversalDetector.Core
public override int GetOrder(byte[] buf, int offset)
{
if (buf[offset] >= 0xB0)
return 94 * (buf[offset] - 0xB0) + buf[offset+1] - 0xA1;
return 94 * (buf[offset] - 0xB0) + buf[offset + 1] - 0xA1;
else
return -1;
}
@ -2559,12 +2562,15 @@ namespace UniversalDetector.Core
/// </summary>
public override int GetOrder(byte[] buf, int offset)
{
if (buf[offset] >= 0xA4) {
if (buf[offset+1] >= 0xA1)
return 157 * (buf[offset] - 0xA4) + buf[offset+1] - 0xA1 + 63;
if (buf[offset] >= 0xA4)
{
if (buf[offset + 1] >= 0xA1)
return 157 * (buf[offset] - 0xA4) + buf[offset + 1] - 0xA1 + 63;
else
return 157 * (buf[offset] - 0xA4) + buf[offset+1] - 0x40;
} else {
return 157 * (buf[offset] - 0xA4) + buf[offset + 1] - 0x40;
}
else
{
return -1;
}
}
@ -3140,9 +3146,9 @@ namespace UniversalDetector.Core
order = 188 * (buf[offset] - 0xE0 + 31);
else
return -1;
order += buf[offset+1] - 0x40;
order += buf[offset + 1] - 0x40;
if (buf[offset+1] > 0x7F)
if (buf[offset + 1] > 0x7F)
order--;
return order;
}
@ -3162,7 +3168,7 @@ namespace UniversalDetector.Core
public override int GetOrder(byte[] buf, int offset)
{
if (buf[offset] >= 0xA0)
return 94 * (buf[offset] - 0xA1) + buf[offset+1] - 0xA1;
return 94 * (buf[offset] - 0xA1) + buf[offset + 1] - 0xA1;
else
return -1;
}

33
Emby.Server.Implementations/TextEncoding/UniversalDetector/Core/CharsetProber.cs
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@ -40,7 +40,8 @@ using System.IO;
namespace UniversalDetector.Core
{
public enum ProbingState {
public enum ProbingState
{
Detecting = 0, // no sure answer yet, but caller can ask for confidence
FoundIt = 1, // positive answer
NotMe = 2 // negative answer
@ -107,21 +108,27 @@ namespace UniversalDetector.Core
{
byte[] result = null;
using (MemoryStream ms = new MemoryStream(buf.Length)) {
using (MemoryStream ms = new MemoryStream(buf.Length))
{
bool meetMSB = false;
int max = offset + len;
int prev = offset;
int cur = offset;
while (cur < max) {
while (cur < max)
{
byte b = buf[cur];
if ((b & 0x80) != 0) {
if ((b & 0x80) != 0)
{
meetMSB = true;
} else if (b < CAPITAL_A || (b > CAPITAL_Z && b < SMALL_A)
|| b > SMALL_Z) {
if (meetMSB && cur > prev) {
}
else if (b < CAPITAL_A || (b > CAPITAL_Z && b < SMALL_A)
|| b > SMALL_Z)
{
if (meetMSB && cur > prev)
{
ms.Write(buf, prev, cur - prev);
ms.WriteByte(SPACE);
meetMSB = false;
@ -149,14 +156,16 @@ namespace UniversalDetector.Core
{
byte[] result = null;
using (MemoryStream ms = new MemoryStream(buf.Length)) {
using (MemoryStream ms = new MemoryStream(buf.Length))
{
bool inTag = false;
int max = offset + len;
int prev = offset;
int cur = offset;
while (cur < max) {
while (cur < max)
{
byte b = buf[cur];
@ -167,8 +176,10 @@ namespace UniversalDetector.Core
// it's ascii, but it's not a letter
if ((b & 0x80) == 0 && (b < CAPITAL_A || b > SMALL_Z
|| (b > CAPITAL_Z && b < SMALL_A))) {
if (cur > prev && !inTag) {
|| (b > CAPITAL_Z && b < SMALL_A)))
{
if (cur > prev && !inTag)
{
ms.Write(buf, prev, cur - prev);
ms.WriteByte(SPACE);
}

3
Emby.Server.Implementations/TextEncoding/UniversalDetector/Core/CodingStateMachine.cs
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@ -60,7 +60,8 @@ namespace UniversalDetector.Core
// for each byte we get its class, if it is first byte,
// we also get byte length
int byteCls = model.GetClass(b);
if (currentState == SMModel.START) {
if (currentState == SMModel.START)
{
currentBytePos = 0;
currentCharLen = model.charLenTable[byteCls];
}

25
Emby.Server.Implementations/TextEncoding/UniversalDetector/Core/EUCJPProber.cs
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@ -62,29 +62,36 @@ namespace UniversalDetector.Core
int codingState;
int max = offset + len;
for (int i = offset; i < max; i++) {
for (int i = offset; i < max; i++)
{
codingState = codingSM.NextState(buf[i]);
if (codingState == SMModel.ERROR) {
if (codingState == SMModel.ERROR)
{
state = ProbingState.NotMe;
break;
}
if (codingState == SMModel.ITSME) {
if (codingState == SMModel.ITSME)
{
state = ProbingState.FoundIt;
break;
}
if (codingState == SMModel.START) {
if (codingState == SMModel.START)
{
int charLen = codingSM.CurrentCharLen;
if (i == offset) {
if (i == offset)
{
lastChar[1] = buf[offset];
contextAnalyser.HandleOneChar(lastChar, 0, charLen);
distributionAnalyser.HandleOneChar(lastChar, 0, charLen);
} else {
contextAnalyser.HandleOneChar(buf, i-1, charLen);
distributionAnalyser.HandleOneChar(buf, i-1, charLen);
}
else
{
contextAnalyser.HandleOneChar(buf, i - 1, charLen);
distributionAnalyser.HandleOneChar(buf, i - 1, charLen);
}
}
}
lastChar[0] = buf[max-1];
lastChar[0] = buf[max - 1];
if (state == ProbingState.Detecting)
if (contextAnalyser.GotEnoughData() && GetConfidence() > SHORTCUT_THRESHOLD)
state = ProbingState.FoundIt;

23
Emby.Server.Implementations/TextEncoding/UniversalDetector/Core/EUCKRProber.cs
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@ -60,27 +60,34 @@ namespace UniversalDetector.Core
int codingState;
int max = offset + len;
for (int i = offset; i < max; i++) {
for (int i = offset; i < max; i++)
{
codingState = codingSM.NextState(buf[i]);
if (codingState == SMModel.ERROR) {
if (codingState == SMModel.ERROR)
{
state = ProbingState.NotMe;
break;
}
if (codingState == SMModel.ITSME) {
if (codingState == SMModel.ITSME)
{
state = ProbingState.FoundIt;
break;
}
if (codingState == SMModel.START) {
if (codingState == SMModel.START)
{
int charLen = codingSM.CurrentCharLen;
if (i == offset) {
if (i == offset)
{
lastChar[1] = buf[offset];
distributionAnalyser.HandleOneChar(lastChar, 0, charLen);
} else {
distributionAnalyser.HandleOneChar(buf, i-1, charLen);
}
else
{
distributionAnalyser.HandleOneChar(buf, i - 1, charLen);
}
}
}
lastChar[0] = buf[max-1];
lastChar[0] = buf[max - 1];
if (state == ProbingState.Detecting)
if (distributionAnalyser.GotEnoughData() && GetConfidence() > SHORTCUT_THRESHOLD)

23
Emby.Server.Implementations/TextEncoding/UniversalDetector/Core/EUCTWProber.cs
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@ -56,27 +56,34 @@ namespace UniversalDetector.Core
int codingState;
int max = offset + len;
for (int i = 0; i < max; i++) {
for (int i = 0; i < max; i++)
{
codingState = codingSM.NextState(buf[i]);
if (codingState == SMModel.ERROR) {
if (codingState == SMModel.ERROR)
{
state = ProbingState.NotMe;
break;
}
if (codingState == SMModel.ITSME) {
if (codingState == SMModel.ITSME)
{
state = ProbingState.FoundIt;
break;
}
if (codingState == SMModel.START) {
if (codingState == SMModel.START)
{
int charLen = codingSM.CurrentCharLen;
if (i == offset) {
if (i == offset)
{
lastChar[1] = buf[offset];
distributionAnalyser.HandleOneChar(lastChar, 0, charLen);
} else {
distributionAnalyser.HandleOneChar(buf, i-1, charLen);
}
else
{
distributionAnalyser.HandleOneChar(buf, i - 1, charLen);
}
}
}
lastChar[0] = buf[max-1];
lastChar[0] = buf[max - 1];
if (state == ProbingState.Detecting)
if (distributionAnalyser.GotEnoughData() && GetConfidence() > SHORTCUT_THRESHOLD)

20
Emby.Server.Implementations/TextEncoding/UniversalDetector/Core/EscCharsetProber.cs
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@ -67,22 +67,30 @@ namespace UniversalDetector.Core
{
int max = offset + len;
for (int i = offset; i < max && state == ProbingState.Detecting; i++) {
for (int j = activeSM - 1; j >= 0; j--) {
for (int i = offset; i < max && state == ProbingState.Detecting; i++)
{
for (int j = activeSM - 1; j >= 0; j--)
{
// byte is feed to all active state machine
int codingState = codingSM[j].NextState(buf[i]);
if (codingState == SMModel.ERROR) {
if (codingState == SMModel.ERROR)
{
// got negative answer for this state machine, make it inactive
activeSM--;
if (activeSM == 0) {
if (activeSM == 0)
{
state = ProbingState.NotMe;
return state;
} else if (j != activeSM) {
}
else if (j != activeSM)
{
CodingStateMachine t = codingSM[activeSM];
codingSM[activeSM] = codingSM[j];
codingSM[j] = t;
}
} else if (codingState == SMModel.ITSME) {
}
else if (codingState == SMModel.ITSME)
{
state = ProbingState.FoundIt;
detectedCharset = codingSM[j].ModelName;
return state;

8
Emby.Server.Implementations/TextEncoding/UniversalDetector/Core/EscSM.cs
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@ -87,7 +87,7 @@ namespace UniversalDetector.Core
BitPackage.Pack4bits( 4, ITSME, START, START, START, START, START, START) //28-2f
};
private readonly static int[] HZCharLenTable = {0, 0, 0, 0, 0, 0};
private readonly static int[] HZCharLenTable = { 0, 0, 0, 0, 0, 0 };
public HZSMModel() : base(
new BitPackage(BitPackage.INDEX_SHIFT_4BITS,
@ -153,7 +153,7 @@ namespace UniversalDetector.Core
BitPackage.Pack4bits(ERROR,ERROR,ERROR,ERROR,ERROR,ITSME,ERROR,START) //38-3f
};
private readonly static int[] ISO2022CNCharLenTable = {0, 0, 0, 0, 0, 0, 0, 0, 0};
private readonly static int[] ISO2022CNCharLenTable = { 0, 0, 0, 0, 0, 0, 0, 0, 0 };
public ISO2022CNSMModel() : base(
new BitPackage(BitPackage.INDEX_SHIFT_4BITS,
@ -220,7 +220,7 @@ namespace UniversalDetector.Core
BitPackage.Pack4bits(ERROR, ERROR, ERROR,ERROR,ITSME,ERROR,START,START) //40-47
};
private readonly static int[] ISO2022JPCharLenTable = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
private readonly static int[] ISO2022JPCharLenTable = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
public ISO2022JPSMModel() : base(
new BitPackage(BitPackage.INDEX_SHIFT_4BITS,
@ -284,7 +284,7 @@ namespace UniversalDetector.Core
BitPackage.Pack4bits(ERROR,ERROR,ERROR,ITSME,START,START,START,START) //20-27
};
private readonly static int[] ISO2022KRCharLenTable = {0, 0, 0, 0, 0, 0};
private readonly static int[] ISO2022KRCharLenTable = { 0, 0, 0, 0, 0, 0 };
public ISO2022KRSMModel() : base(
new BitPackage(BitPackage.INDEX_SHIFT_4BITS,

26
Emby.Server.Implementations/TextEncoding/UniversalDetector/Core/GB18030Prober.cs
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@ -64,30 +64,38 @@ namespace UniversalDetector.Core
int codingState = SMModel.START;
int max = offset + len;
for (int i = offset; i < max; i++) {
for (int i = offset; i < max; i++)
{
codingState = codingSM.NextState(buf[i]);
if (codingState == SMModel.ERROR) {
if (codingState == SMModel.ERROR)
{
state = ProbingState.NotMe;
break;
}
if (codingState == SMModel.ITSME) {
if (codingState == SMModel.ITSME)
{
state = ProbingState.FoundIt;
break;
}
if (codingState == SMModel.START) {
if (codingState == SMModel.START)
{
int charLen = codingSM.CurrentCharLen;
if (i == offset) {
if (i == offset)
{
lastChar[1] = buf[offset];
analyser.HandleOneChar(lastChar, 0, charLen);
} else {
analyser.HandleOneChar(buf, i-1, charLen);
}
else
{
analyser.HandleOneChar(buf, i - 1, charLen);
}
}
}
lastChar[0] = buf[max-1];
lastChar[0] = buf[max - 1];
if (state == ProbingState.Detecting) {
if (state == ProbingState.Detecting)
{
if (analyser.GotEnoughData() && GetConfidence() > SHORTCUT_THRESHOLD)
state = ProbingState.FoundIt;
}

20
Emby.Server.Implementations/TextEncoding/UniversalDetector/Core/HebrewProber.cs
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@ -36,7 +36,6 @@
*
* ***** END LICENSE BLOCK ***** */
using System;
/**
* General ideas of the Hebrew charset recognition
@ -144,11 +143,11 @@ namespace UniversalDetector.Core
public class HebrewProber : CharsetProber
{
// windows-1255 / ISO-8859-8 code points of interest
private const byte FINAL_KAF = 0xEA;
private const byte FINAL_KAF = 0xEA;
private const byte NORMAL_KAF = 0xEB;
private const byte FINAL_MEM = 0xED;
private const byte FINAL_MEM = 0xED;
private const byte NORMAL_MEM = 0xEE;
private const byte FINAL_NUN = 0xEF;
private const byte FINAL_NUN = 0xEF;
private const byte NORMAL_NUN = 0xF0;
private const byte FINAL_PE = 0xF3;
private const byte NORMAL_PE = 0xF4;
@ -217,14 +216,17 @@ namespace UniversalDetector.Core
int max = offset + len;
for (int i = offset; i < max; i++) {
for (int i = offset; i < max; i++)
{
byte b = buf[i];
// a word just ended
if (b == 0x20) {
if (b == 0x20)
{
// *(curPtr-2) was not a space so prev is not a 1 letter word
if (beforePrev != 0x20) {
if (beforePrev != 0x20)
{
// case (1) [-2:not space][-1:final letter][cur:space]
if (IsFinal(prev))
finalCharLogicalScore++;
@ -233,7 +235,9 @@ namespace UniversalDetector.Core
finalCharVisualScore++;
}
} else {
}
else
{
// case (3) [-2:space][-1:final letter][cur:not space]
if ((beforePrev == 0x20) && (IsFinal(prev)) && (b != ' '))
++finalCharVisualScore;

50
Emby.Server.Implementations/TextEncoding/UniversalDetector/Core/JapaneseContextAnalyser.cs
Unescape View File

@ -160,7 +160,7 @@ namespace UniversalDetector.Core
{
// This is just one way to calculate confidence. It works well for me.
if (totalRel > MINIMUM_DATA_THRESHOLD)
return ((float)(totalRel - relSample[0]))/totalRel;
return ((float)(totalRel - relSample[0])) / totalRel;
else
return DONT_KNOW;
}
@ -181,22 +181,28 @@ namespace UniversalDetector.Core
// to record those bytes as well and analyse the character once it
// is complete, but since a character will not make much difference,
// skipping it will simplify our logic and improve performance.
for (int i = needToSkipCharNum+offset; i < max; ) {
for (int i = needToSkipCharNum + offset; i < max;)
{
int order = GetOrder(buf, i, out charLen);
i += charLen;
if (i > max) {
if (i > max)
{
needToSkipCharNum = i - max;
lastCharOrder = -1;
} else {
if (order != -1 && lastCharOrder != -1) {
totalRel ++;
if (totalRel > MAX_REL_THRESHOLD) {
}
else
{
if (order != -1 && lastCharOrder != -1)
{
totalRel++;
if (totalRel > MAX_REL_THRESHOLD)
{
done = true;
break;
}
relSample[jp2CharContext[lastCharOrder, order]]++;
}
lastCharOrder = order;
}
lastCharOrder = order;
}
}
}
@ -210,7 +216,8 @@ namespace UniversalDetector.Core
// Only 2-bytes characters are of our interest
int order = (charLen == 2) ? GetOrder(buf, offset) : -1;
if (order != -1 && lastCharOrder != -1) {
if (order != -1 && lastCharOrder != -1)
{
totalRel++;
// count this sequence to its category counter
relSample[jp2CharContext[lastCharOrder, order]]++;
@ -221,7 +228,8 @@ namespace UniversalDetector.Core
public void Reset()
{
totalRel = 0;
for (int i = 0; i < CATEGORIES_NUM; i++) {
for (int i = 0; i < CATEGORIES_NUM; i++)
{
relSample[i] = 0;
needToSkipCharNum = 0;
lastCharOrder = -1;
@ -254,8 +262,9 @@ namespace UniversalDetector.Core
charLen = 1;
// return its order if it is hiragana
if (buf[offset] == HIRAGANA_FIRST_BYTE) {
byte low = buf[offset+1];
if (buf[offset] == HIRAGANA_FIRST_BYTE)
{
byte low = buf[offset + 1];
if (low >= 0x9F && low <= 0xF1)
return low - 0x9F;
}
@ -265,8 +274,9 @@ namespace UniversalDetector.Core
protected override int GetOrder(byte[] buf, int offset)
{
// We are only interested in Hiragana
if (buf[offset] == HIRAGANA_FIRST_BYTE) {
byte low = buf[offset+1];
if (buf[offset] == HIRAGANA_FIRST_BYTE)
{
byte low = buf[offset + 1];
if (low >= 0x9F && low <= 0xF1)
return low - 0x9F;
}
@ -292,8 +302,9 @@ namespace UniversalDetector.Core
charLen = 1;
// return its order if it is hiragana
if (high == HIRAGANA_FIRST_BYTE) {
byte low = buf[offset+1];
if (high == HIRAGANA_FIRST_BYTE)
{
byte low = buf[offset + 1];
if (low >= 0xA1 && low <= 0xF3)
return low - 0xA1;
}
@ -303,8 +314,9 @@ namespace UniversalDetector.Core
protected override int GetOrder(byte[] buf, int offset)
{
// We are only interested in Hiragana
if (buf[offset] == HIRAGANA_FIRST_BYTE) {
byte low = buf[offset+1];
if (buf[offset] == HIRAGANA_FIRST_BYTE)
{
byte low = buf[offset + 1];
if (low >= 0xA1 && low <= 0xF3)
return low - 0xA1;
}

21
Emby.Server.Implementations/TextEncoding/UniversalDetector/Core/Latin1Prober.cs
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@ -36,7 +36,6 @@
*
* ***** END LICENSE BLOCK ***** */
using System;
namespace UniversalDetector.Core
{
@ -135,12 +134,14 @@ namespace UniversalDetector.Core
byte[] newbuf = FilterWithEnglishLetters(buf, offset, len);
byte charClass, freq;
for (int i = 0; i < newbuf.Length; i++) {
for (int i = 0; i < newbuf.Length; i++)
{
charClass = Latin1_CharToClass[newbuf[i]];
freq = Latin1ClassModel[lastCharClass * CLASS_NUM + charClass];
if (freq == 0) {
state = ProbingState.NotMe;
break;
if (freq == 0)
{
state = ProbingState.NotMe;
break;
}
freqCounter[freq]++;
lastCharClass = charClass;
@ -155,13 +156,17 @@ namespace UniversalDetector.Core
float confidence = 0.0f;
int total = 0;
for (int i = 0; i < FREQ_CAT_NUM; i++) {
for (int i = 0; i < FREQ_CAT_NUM; i++)
{
total += freqCounter[i];
}
if (total <= 0) {
if (total <= 0)
{
confidence = 0.0f;
} else {
}
else
{
confidence = freqCounter[3] * 1.0f / total;
confidence -= freqCounter[1] * 20.0f / total;
}

75
Emby.Server.Implementations/TextEncoding/UniversalDetector/Core/MBCSGroupProber.cs
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@ -36,7 +36,6 @@
*
* ***** END LICENSE BLOCK ***** */
using System;
namespace UniversalDetector.Core
{
@ -67,7 +66,8 @@ namespace UniversalDetector.Core
public override string GetCharsetName()
{
if (bestGuess == -1) {
if (bestGuess == -1)
{
GetConfidence();
if (bestGuess == -1)
bestGuess = 0;
@ -78,13 +78,17 @@ namespace UniversalDetector.Core
public override void Reset()
{
activeNum = 0;
for (int i = 0; i < probers.Length; i++) {
if (probers[i] != null) {
probers[i].Reset();
isActive[i] = true;
++activeNum;
} else {
isActive[i] = false;
for (int i = 0; i < probers.Length; i++)
{
if (probers[i] != null)
{
probers[i].Reset();
isActive[i] = true;
++activeNum;
}
else
{
isActive[i] = false;
}
}
bestGuess = -1;
@ -100,13 +104,18 @@ namespace UniversalDetector.Core
bool keepNext = true;
int max = offset + len;
for (int i = offset; i < max; i++) {
if ((buf[i] & 0x80) != 0) {
for (int i = offset; i < max; i++)
{
if ((buf[i] & 0x80) != 0)
{
highbyteBuf[hptr++] = buf[i];
keepNext = true;
} else {
}
else
{
//if previous is highbyte, keep this even it is a ASCII
if (keepNext) {
if (keepNext)
{
highbyteBuf[hptr++] = buf[i];
keepNext = false;
}
@ -115,18 +124,23 @@ namespace UniversalDetector.Core
ProbingState st = ProbingState.NotMe;
for (int i = 0; i < probers.Length; i++) {
for (int i = 0; i < probers.Length; i++)
{
if (!isActive[i])
continue;
st = probers[i].HandleData(highbyteBuf, 0, hptr);
if (st == ProbingState.FoundIt) {
if (st == ProbingState.FoundIt)
{
bestGuess = i;
state = ProbingState.FoundIt;
break;
} else if (st == ProbingState.NotMe) {
}
else if (st == ProbingState.NotMe)
{
isActive[i] = false;
activeNum--;
if (activeNum <= 0) {
if (activeNum <= 0)
{
state = ProbingState.NotMe;
break;
}
@ -140,16 +154,23 @@ namespace UniversalDetector.Core
float bestConf = 0.0f;
float cf = 0.0f;
if (state == ProbingState.FoundIt) {
if (state == ProbingState.FoundIt)
{
return 0.99f;
} else if (state == ProbingState.NotMe) {
}
else if (state == ProbingState.NotMe)
{
return 0.01f;
} else {
for (int i = 0; i < PROBERS_NUM; i++) {
}
else
{
for (int i = 0; i < PROBERS_NUM; i++)
{
if (!isActive[i])
continue;
cf = probers[i].GetConfidence();
if (bestConf < cf) {
if (bestConf < cf)
{
bestConf = cf;
bestGuess = i;
}
@ -162,10 +183,14 @@ namespace UniversalDetector.Core
{
float cf;
GetConfidence();
for (int i = 0; i < PROBERS_NUM; i++) {
if (!isActive[i]) {
for (int i = 0; i < PROBERS_NUM; i++)
{
if (!isActive[i])
{
//Console.WriteLine(" MBCS inactive: {0} (confidence is too low).", ProberName[i]);
} else {
}
else
{
cf = probers[i].GetConfidence();
//Console.WriteLine(" MBCS {0}: [{1}]", cf, ProberName[i]);
}

4
Emby.Server.Implementations/TextEncoding/UniversalDetector/Core/MBCSSM.cs
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@ -174,7 +174,7 @@ namespace UniversalDetector.Core
// it is used for frequency analysis only, and we are validating
// each code range there as well. So it is safe to set it to be
// 2 here.
private readonly static int[] GB18030CharLenTable = {0, 1, 1, 1, 1, 1, 2};
private readonly static int[] GB18030CharLenTable = { 0, 1, 1, 1, 1, 1, 2 };
public GB18030SMModel() : base(
new BitPackage(BitPackage.INDEX_SHIFT_4BITS,
@ -235,7 +235,7 @@ namespace UniversalDetector.Core
BitPackage.Pack4bits(ERROR,START,START,START,START,START,START,START) //10-17
};
private readonly static int[] BIG5CharLenTable = {0, 1, 1, 2, 0};
private readonly static int[] BIG5CharLenTable = { 0, 1, 1, 2, 0 };
public BIG5SMModel() : base(
new BitPackage(BitPackage.INDEX_SHIFT_4BITS,

67
Emby.Server.Implementations/TextEncoding/UniversalDetector/Core/SBCSGroupProber.cs
Unescape View File

@ -36,7 +36,6 @@
*
* ***** END LICENSE BLOCK ***** */
using System;
namespace UniversalDetector.Core
{
@ -88,19 +87,24 @@ namespace UniversalDetector.Core
if (newBuf.Length == 0)
return state; // Nothing to see here, move on.
for (int i = 0; i < PROBERS_NUM; i++) {
for (int i = 0; i < PROBERS_NUM; i++)
{
if (!isActive[i])
continue;
st = probers[i].HandleData(newBuf, 0, newBuf.Length);
if (st == ProbingState.FoundIt) {
if (st == ProbingState.FoundIt)
{
bestGuess = i;
state = ProbingState.FoundIt;
break;
} else if (st == ProbingState.NotMe) {
}
else if (st == ProbingState.NotMe)
{
isActive[i] = false;
activeNum--;
if (activeNum <= 0) {
if (activeNum <= 0)
{
state = ProbingState.NotMe;
break;
}
@ -112,24 +116,25 @@ namespace UniversalDetector.Core
public override float GetConfidence()
{
float bestConf = 0.0f, cf;
switch (state) {
case ProbingState.FoundIt:
return 0.99f; //sure yes
case ProbingState.NotMe:
return 0.01f; //sure no
default:
for (int i = 0; i < PROBERS_NUM; i++)
{
if (!isActive[i])
continue;
cf = probers[i].GetConfidence();
if (bestConf < cf)
switch (state)
{
case ProbingState.FoundIt:
return 0.99f; //sure yes
case ProbingState.NotMe:
return 0.01f; //sure no
default:
for (int i = 0; i < PROBERS_NUM; i++)
{
bestConf = cf;
bestGuess = i;
if (!isActive[i])
continue;
cf = probers[i].GetConfidence();
if (bestConf < cf)
{
bestConf = cf;
bestGuess = i;
}
}
}
break;
break;
}
return bestConf;
}
@ -137,8 +142,9 @@ namespace UniversalDetector.Core
public override void DumpStatus()
{
float cf = GetConfidence();
// Console.WriteLine(" SBCS Group Prober --------begin status");
for (int i = 0; i < PROBERS_NUM; i++) {
// Console.WriteLine(" SBCS Group Prober --------begin status");
for (int i = 0; i < PROBERS_NUM; i++)
{
if (isActive[i])
probers[i].DumpStatus();
//else
@ -148,15 +154,19 @@ namespace UniversalDetector.Core
//Console.WriteLine(" SBCS Group found best match [{0}] confidence {1}.", probers[bestGuess].GetCharsetName(), cf);
}
public override void Reset ()
public override void Reset()
{
int activeNum = 0;
for (int i = 0; i < PROBERS_NUM; i++) {
if (probers[i] != null) {
for (int i = 0; i < PROBERS_NUM; i++)
{
if (probers[i] != null)
{
probers[i].Reset();
isActive[i] = true;
activeNum++;
} else {
}
else
{
isActive[i] = false;
}
}
@ -167,7 +177,8 @@ namespace UniversalDetector.Core
public override string GetCharsetName()
{
//if we have no answer yet
if (bestGuess == -1) {
if (bestGuess == -1)
{
GetConfidence();
//no charset seems positive
if (bestGuess == -1)

25
Emby.Server.Implementations/TextEncoding/UniversalDetector/Core/SBCharsetProber.cs
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@ -36,7 +36,6 @@
*
* ***** END LICENSE BLOCK ***** */
using System;
namespace UniversalDetector.Core
{
@ -49,7 +48,7 @@ namespace UniversalDetector.Core
private const float NEGATIVE_SHORTCUT_THRESHOLD = 0.05f;
private const int SYMBOL_CAT_ORDER = 250;
private const int NUMBER_OF_SEQ_CAT = 4;
private const int POSITIVE_CAT = NUMBER_OF_SEQ_CAT-1;
private const int POSITIVE_CAT = NUMBER_OF_SEQ_CAT - 1;
private const int NEGATIVE_CAT = 0;
protected SequenceModel model;
@ -89,28 +88,33 @@ namespace UniversalDetector.Core
{
int max = offset + len;
for (int i = offset; i < max; i++) {
for (int i = offset; i < max; i++)
{
byte order = model.GetOrder(buf[i]);
if (order < SYMBOL_CAT_ORDER)
totalChar++;
if (order < SAMPLE_SIZE) {
if (order < SAMPLE_SIZE)
{
freqChar++;
if (lastOrder < SAMPLE_SIZE) {
if (lastOrder < SAMPLE_SIZE)
{
totalSeqs++;
if (!reversed)
++(seqCounters[model.GetPrecedence(lastOrder*SAMPLE_SIZE+order)]);
++(seqCounters[model.GetPrecedence(lastOrder * SAMPLE_SIZE + order)]);
else // reverse the order of the letters in the lookup
++(seqCounters[model.GetPrecedence(order*SAMPLE_SIZE+lastOrder)]);
++(seqCounters[model.GetPrecedence(order * SAMPLE_SIZE + lastOrder)]);
}
}
lastOrder = order;
}
if (state == ProbingState.Detecting) {
if (totalSeqs > SB_ENOUGH_REL_THRESHOLD) {
if (state == ProbingState.Detecting)
{
if (totalSeqs > SB_ENOUGH_REL_THRESHOLD)
{
float cf = GetConfidence();
if (cf > POSITIVE_SHORTCUT_THRESHOLD)
state = ProbingState.FoundIt;
@ -139,7 +143,8 @@ namespace UniversalDetector.Core
// POSITIVE_APPROACH
float r = 0.0f;
if (totalSeqs > 0) {
if (totalSeqs > 0)
{
r = 1.0f * seqCounters[POSITIVE_CAT] / totalSeqs / model.TypicalPositiveRatio;
r = r * freqChar / totalChar;
if (r >= 1.0f)

27
Emby.Server.Implementations/TextEncoding/UniversalDetector/Core/SJISProber.cs
Unescape View File

@ -69,29 +69,36 @@ namespace UniversalDetector.Core
int codingState;
int max = offset + len;
for (int i = offset; i < max; i++) {
for (int i = offset; i < max; i++)
{
codingState = codingSM.NextState(buf[i]);
if (codingState == SMModel.ERROR) {
if (codingState == SMModel.ERROR)
{
state = ProbingState.NotMe;
break;
}
if (codingState == SMModel.ITSME) {
if (codingState == SMModel.ITSME)
{
state = ProbingState.FoundIt;
break;
}
if (codingState == SMModel.START) {
if (codingState == SMModel.START)
{
int charLen = codingSM.CurrentCharLen;
if (i == offset) {
if (i == offset)
{
lastChar[1] = buf[offset];
contextAnalyser.HandleOneChar(lastChar, 2-charLen, charLen);
contextAnalyser.HandleOneChar(lastChar, 2 - charLen, charLen);
distributionAnalyser.HandleOneChar(lastChar, 0, charLen);
} else {
contextAnalyser.HandleOneChar(buf, i+1-charLen, charLen);
distributionAnalyser.HandleOneChar(buf, i-1, charLen);
}
else
{
contextAnalyser.HandleOneChar(buf, i + 1 - charLen, charLen);
distributionAnalyser.HandleOneChar(buf, i - 1, charLen);
}
}
}
lastChar[0] = buf[max-1];
lastChar[0] = buf[max - 1];
if (state == ProbingState.Detecting)
if (contextAnalyser.GotEnoughData() && GetConfidence() > SHORTCUT_THRESHOLD)
state = ProbingState.FoundIt;

3
Emby.Server.Implementations/TextEncoding/UniversalDetector/Core/SMModel.cs
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@ -36,7 +36,6 @@
*
* ***** END LICENSE BLOCK ***** */
using System;
namespace UniversalDetector.Core
{
@ -54,7 +53,7 @@ namespace UniversalDetector.Core
public int[] charLenTable;
private string name;
public string Name => name;
private int classFactor;

5
Emby.Server.Implementations/TextEncoding/UniversalDetector/Core/SequenceModel.cs
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@ -36,7 +36,6 @@
*
* ***** END LICENSE BLOCK ***** */
using System;
namespace UniversalDetector.Core
{
@ -51,12 +50,12 @@ namespace UniversalDetector.Core
// freqSeqs / totalSeqs
protected float typicalPositiveRatio;
public float TypicalPositiveRatio => typicalPositiveRatio;
// not used
protected bool keepEnglishLetter;
public bool KeepEnglishLetter => keepEnglishLetter;
protected string charsetName;

22
Emby.Server.Implementations/TextEncoding/UniversalDetector/Core/UTF8Prober.cs
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@ -51,7 +51,8 @@ namespace UniversalDetector.Core
Reset();
}
public override string GetCharsetName() {
public override string GetCharsetName()
{
return "UTF-8";
}
@ -67,21 +68,25 @@ namespace UniversalDetector.Core
int codingState = SMModel.START;
int max = offset + len;
for (int i = offset; i < max; i++) {
for (int i = offset; i < max; i++)
{
codingState = codingSM.NextState(buf[i]);
if (codingState == SMModel.ERROR) {
if (codingState == SMModel.ERROR)
{
state = ProbingState.NotMe;
break;
}
if (codingState == SMModel.ITSME) {
if (codingState == SMModel.ITSME)
{
state = ProbingState.FoundIt;
break;
}
if (codingState == SMModel.START) {
if (codingState == SMModel.START)
{
if (codingSM.CurrentCharLen >= 2)
numOfMBChar++;
}
@ -98,11 +103,14 @@ namespace UniversalDetector.Core
float unlike = 0.99f;
float confidence = 0.0f;
if (numOfMBChar < 6) {
if (numOfMBChar < 6)
{
for (int i = 0; i < numOfMBChar; i++)
unlike *= ONE_CHAR_PROB;
confidence = 1.0f - unlike;
} else {
}
else
{
confidence = 0.99f;
}
return confidence;

134
Emby.Server.Implementations/TextEncoding/UniversalDetector/Core/UniversalDetector.cs
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@ -39,7 +39,7 @@
namespace UniversalDetector.Core
{
enum InputState { PureASCII=0, EscASCII=1, Highbyte=2 };
enum InputState { PureASCII = 0, EscASCII = 1, Highbyte = 2 };
public abstract class UniversalDetector
{
@ -70,7 +70,8 @@ namespace UniversalDetector.Core
protected CharsetProber escCharsetProber;
protected string detectedCharset;
public UniversalDetector(int languageFilter) {
public UniversalDetector(int languageFilter)
{
this.start = true;
this.inputState = InputState.PureASCII;
this.lastChar = 0x00;
@ -80,7 +81,8 @@ namespace UniversalDetector.Core
public virtual void Feed(byte[] buf, int offset, int len)
{
if (done) {
if (done)
{
return;
}
@ -88,52 +90,60 @@ namespace UniversalDetector.Core
gotData = true;
// If the data starts with BOM, we know it is UTF
if (start) {
if (start)
{
start = false;
if (len > 3) {
switch (buf[0]) {
case 0xEF:
if (0xBB == buf[1] && 0xBF == buf[2])
detectedCharset = "UTF-8";
break;
case 0xFE:
if (0xFF == buf[1] && 0x00 == buf[2] && 0x00 == buf[3])
// FE FF 00 00 UCS-4, unusual octet order BOM (3412)
detectedCharset = "X-ISO-10646-UCS-4-3412";
else if (0xFF == buf[1])
detectedCharset = "UTF-16BE";
break;
case 0x00:
if (0x00 == buf[1] && 0xFE == buf[2] && 0xFF == buf[3])
detectedCharset = "UTF-32BE";
else if (0x00 == buf[1] && 0xFF == buf[2] && 0xFE == buf[3])
// 00 00 FF FE UCS-4, unusual octet order BOM (2143)
detectedCharset = "X-ISO-10646-UCS-4-2143";
break;
case 0xFF:
if (0xFE == buf[1] && 0x00 == buf[2] && 0x00 == buf[3])
detectedCharset = "UTF-32LE";
else if (0xFE == buf[1])
detectedCharset = "UTF-16LE";
break;
if (len > 3)
{
switch (buf[0])
{
case 0xEF:
if (0xBB == buf[1] && 0xBF == buf[2])
detectedCharset = "UTF-8";
break;
case 0xFE:
if (0xFF == buf[1] && 0x00 == buf[2] && 0x00 == buf[3])
// FE FF 00 00 UCS-4, unusual octet order BOM (3412)
detectedCharset = "X-ISO-10646-UCS-4-3412";
else if (0xFF == buf[1])
detectedCharset = "UTF-16BE";
break;
case 0x00:
if (0x00 == buf[1] && 0xFE == buf[2] && 0xFF == buf[3])
detectedCharset = "UTF-32BE";
else if (0x00 == buf[1] && 0xFF == buf[2] && 0xFE == buf[3])
// 00 00 FF FE UCS-4, unusual octet order BOM (2143)
detectedCharset = "X-ISO-10646-UCS-4-2143";
break;
case 0xFF:
if (0xFE == buf[1] && 0x00 == buf[2] && 0x00 == buf[3])
detectedCharset = "UTF-32LE";
else if (0xFE == buf[1])
detectedCharset = "UTF-16LE";
break;
} // switch
}
if (detectedCharset != null) {
if (detectedCharset != null)
{
done = true;
return;
}
}
for (int i = 0; i < len; i++) {
for (int i = 0; i < len; i++)
{
// other than 0xa0, if every other character is ascii, the page is ascii
if ((buf[i] & 0x80) != 0 && buf[i] != 0xA0) {
if ((buf[i] & 0x80) != 0 && buf[i] != 0xA0)
{
// we got a non-ascii byte (high-byte)
if (inputState != InputState.Highbyte) {
if (inputState != InputState.Highbyte)
{
inputState = InputState.Highbyte;
// kill EscCharsetProber if it is active
if (escCharsetProber != null) {
if (escCharsetProber != null)
{
escCharsetProber = null;
}
@ -145,9 +155,12 @@ namespace UniversalDetector.Core
if (charsetProbers[2] == null)
charsetProbers[2] = new Latin1Prober();
}
} else {
}
else
{
if (inputState == InputState.PureASCII &&
(buf[i] == 0x33 || (buf[i] == 0x7B && lastChar == 0x7E))) {
(buf[i] == 0x33 || (buf[i] == 0x7B && lastChar == 0x7E)))
{
// found escape character or HZ "~{"
inputState = InputState.EscASCII;
}
@ -157,25 +170,31 @@ namespace UniversalDetector.Core
ProbingState st = ProbingState.NotMe;
switch (inputState) {
switch (inputState)
{
case InputState.EscASCII:
if (escCharsetProber == null) {
if (escCharsetProber == null)
{
escCharsetProber = new EscCharsetProber();
}
st = escCharsetProber.HandleData(buf, offset, len);
if (st == ProbingState.FoundIt) {
if (st == ProbingState.FoundIt)
{
done = true;
detectedCharset = escCharsetProber.GetCharsetName();
}
break;
case InputState.Highbyte:
for (int i = 0; i < PROBERS_NUM; i++) {
if (charsetProbers[i] != null) {
for (int i = 0; i < PROBERS_NUM; i++)
{
if (charsetProbers[i] != null)
{
st = charsetProbers[i].HandleData(buf, offset, len);
#if DEBUG
#if DEBUG
charsetProbers[i].DumpStatus();
#endif
if (st == ProbingState.FoundIt) {
#endif
if (st == ProbingState.FoundIt)
{
done = true;
detectedCharset = charsetProbers[i].GetCharsetName();
return;
@ -195,38 +214,47 @@ namespace UniversalDetector.Core
/// </summary>
public virtual void DataEnd()
{
if (!gotData) {
if (!gotData)
{
// we haven't got any data yet, return immediately
// caller program sometimes call DataEnd before anything has
// been sent to detector
return;
}
if (detectedCharset != null) {
if (detectedCharset != null)
{
done = true;
Report(detectedCharset, 1.0f);
return;
}
if (inputState == InputState.Highbyte) {
if (inputState == InputState.Highbyte)
{
float proberConfidence = 0.0f;
float maxProberConfidence = 0.0f;
int maxProber = 0;
for (int i = 0; i < PROBERS_NUM; i++) {
if (charsetProbers[i] != null) {
for (int i = 0; i < PROBERS_NUM; i++)
{
if (charsetProbers[i] != null)
{
proberConfidence = charsetProbers[i].GetConfidence();
if (proberConfidence > maxProberConfidence) {
if (proberConfidence > maxProberConfidence)
{
maxProberConfidence = proberConfidence;
maxProber = i;
}
}
}
if (maxProberConfidence > MINIMUM_THRESHOLD) {
if (maxProberConfidence > MINIMUM_THRESHOLD)
{
Report(charsetProbers[maxProber].GetCharsetName(), maxProberConfidence);
}
} else if (inputState == InputState.PureASCII) {
}
else if (inputState == InputState.PureASCII)
{
Report("ASCII", 1.0f);
}
}

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