Class ArabicNormalizer
Normalizer for Arabic.
Normalization is done in-place for efficiency, operating on a termbuffer.
Normalization is defined as:
- Normalization of hamza with alef seat to a bare alef.
- Normalization of teh marbuta to heh
- Normalization of dotless yeh (alef maksura) to yeh.
- Removal of Arabic diacritics (the harakat)
- Removal of tatweel (stretching character).
Inheritance
System.Object
ArabicNormalizer
Assembly: Lucene.Net.Analysis.Common.dll
Syntax
public class ArabicNormalizer : object
Fields
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ALEF
Declaration
public const char ALEF = null
Field Value
| Type |
Description |
| System.Char |
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ALEF_HAMZA_ABOVE
Declaration
public const char ALEF_HAMZA_ABOVE = null
Field Value
| Type |
Description |
| System.Char |
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ALEF_HAMZA_BELOW
Declaration
public const char ALEF_HAMZA_BELOW = null
Field Value
| Type |
Description |
| System.Char |
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ALEF_MADDA
Declaration
public const char ALEF_MADDA = null
Field Value
| Type |
Description |
| System.Char |
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DAMMA
Declaration
public const char DAMMA = null
Field Value
| Type |
Description |
| System.Char |
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DAMMATAN
Declaration
public const char DAMMATAN = null
Field Value
| Type |
Description |
| System.Char |
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DOTLESS_YEH
Declaration
public const char DOTLESS_YEH = null
Field Value
| Type |
Description |
| System.Char |
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FATHA
Declaration
public const char FATHA = null
Field Value
| Type |
Description |
| System.Char |
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FATHATAN
Declaration
public const char FATHATAN = null
Field Value
| Type |
Description |
| System.Char |
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HEH
Declaration
public const char HEH = null
Field Value
| Type |
Description |
| System.Char |
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KASRA
Declaration
public const char KASRA = null
Field Value
| Type |
Description |
| System.Char |
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KASRATAN
Declaration
public const char KASRATAN = null
Field Value
| Type |
Description |
| System.Char |
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SHADDA
Declaration
public const char SHADDA = null
Field Value
| Type |
Description |
| System.Char |
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SUKUN
Declaration
public const char SUKUN = null
Field Value
| Type |
Description |
| System.Char |
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TATWEEL
Declaration
public const char TATWEEL = null
Field Value
| Type |
Description |
| System.Char |
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TEH_MARBUTA
Declaration
public const char TEH_MARBUTA = null
Field Value
| Type |
Description |
| System.Char |
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YEH
Declaration
public const char YEH = null
Field Value
| Type |
Description |
| System.Char |
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Methods
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Normalize(Char[], Int32)
Normalize an input buffer of Arabic text
Declaration
public virtual int Normalize(char[] s, int len)
Parameters
| Type |
Name |
Description |
| System.Char[] |
s |
input buffer
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| System.Int32 |
len |
length of input buffer
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Returns
| Type |
Description |
| System.Int32 |
length of input buffer after normalization
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