Module: Tamil

Defined in:
lib/tamil.rb

Constant Summary collapse

TA_ACCENT_LEN =

constants

13
TA_AYUDHA_LEN =

12 + 1

1
TA_UYIR_LEN = 
12
TA_MEI_LEN = 
18
TA_AGARAM_LEN = 
18
TA_SANSKRIT_LEN = 
6
TA_UYIRMEI_LEN = 
216
TA_GRANTHA_UYIRMEI_LEN = 
24*12
TA_LETTERS_LEN =

323

247 + 6*12 + 22 + 4 - TA_AGARAM_LEN - 4
AGARAM_LETTERS = 
@@agaram_letters.clone
@@agaram_letters =

List of letters you can use

["க","ச","ட","த","ப","ற","ஞ","ங","ண","ந","ம","ன","ய","ர","ல","வ","ழ","ள"]
@@uyir_letters = 
["அ","ஆ","இ","ஈ","உ","ஊ","எ","ஏ","ஐ","ஒ","ஓ","ஔ"]
@@ayudha_letter = 
"ஃ"
@@kuril_letters = 
["அ", "இ", "உ", "எ", "ஒ"]
@@nedil_letters = 
["ஆ", "ஈ", "ஊ", "ஏ", "ஓ"]
@@vallinam_letters = 
["க்", "ச்", "ட்", "த்", "ப்", "ற்"]
@@mellinam_letters = 
["ங்", "ஞ்", "ண்", "ந்", "ம்", "ன்"]
@@idayinam_letters = 
["ய்", "ர்", "ல்", "வ்", "ழ்", "ள்"]
@@mei_letters = 
["க்","ச்","ட்","த்","ப்","ற்","ஞ்","ங்","ண்","ந்","ம்","ன்","ய்","ர்","ல்","வ்","ழ்","ள்" ]
@@accent_symbols = 
["","ா","ி","ீ","ு","ூ","ெ","ே","ை","ொ","ோ","ௌ","ஃ"]
@@pulli_symbols = 
["்"]
@@sanskrit_letters = 
["ஶ","ஜ","ஷ", "ஸ","ஹ","க்ஷ"]
@@sanskrit_mei_letters = 
["ஶ்","ஜ்","ஷ்", "ஸ்","ஹ்","க்ஷ்"]
@@grantha_mei_letters = 
@@mei_letters.clone()
@@grantha_agaram_letters = 
@@agaram_letters.clone()
@@uyirmei_letters = 
[ "க"  ,"கா"  ,"கி"  ,"கீ"  ,"கு"  ,"கூ"  ,"கெ"  ,"கே"  ,"கை"  ,"கொ"  ,"கோ"  ,"கௌ"  ,
"ச"  ,"சா"  ,"சி"  ,"சீ"  ,"சு"  ,"சூ"  ,"செ"  ,"சே"  ,"சை"  ,"சொ"  ,"சோ"  ,"சௌ" , 
"ட"  ,"டா"  ,"டி"  ,"டீ"  ,"டு"  ,"டூ"  ,"டெ"  ,"டே"  ,"டை"  ,"டொ"  ,"டோ"  ,"டௌ", 
"த"  ,"தா"  ,"தி"  ,"தீ"  ,"து"  ,"தூ"  ,"தெ"  ,"தே"  ,"தை"  ,"தொ"  ,"தோ"  ,"தௌ", 
"ப"  ,"பா"  ,"பி"  ,"பீ"  ,"பு"  ,"பூ"  ,"பெ"  ,"பே"  ,"பை"  ,"பொ"  ,"போ"  ,"பௌ" , 
"ற"  ,"றா"  ,"றி"  ,"றீ"  ,"று"  ,"றூ"  ,"றெ"  ,"றே"  ,"றை"  ,"றொ"  ,"றோ"  ,"றௌ", 
"ஞ"  ,"ஞா"  ,"ஞி"  ,"ஞீ"  ,"ஞு"  ,"ஞூ"  ,"ஞெ"  ,"ஞே"  ,"ஞை"  ,"ஞொ"  ,"ஞோ"  ,"ஞௌ"  ,
"ங"  ,"ஙா"  ,"ஙி"  ,"ஙீ"  ,"ஙு"  ,"ஙூ"  ,"ஙெ"  ,"ஙே"  ,"ஙை"  ,"ஙொ"  ,"ஙோ"  ,"ஙௌ"  ,
"ண"  ,"ணா"  ,"ணி"  ,"ணீ"  ,"ணு"  ,"ணூ"  ,"ணெ"  ,"ணே"  ,"ணை"  ,"ணொ"  ,"ணோ"  ,"ணௌ"  ,
"ந"  ,"நா"  ,"நி"  ,"நீ"  ,"நு"  ,"நூ"  ,"நெ"  ,"நே"  ,"நை"  ,"நொ"  ,"நோ"  ,"நௌ"  ,
"ம"  ,"மா"  ,"மி"  ,"மீ"  ,"மு"  ,"மூ"  ,"மெ"  ,"மே"  ,"மை"  ,"மொ"  ,"மோ"  ,"மௌ" , 
"ன"  ,"னா"  ,"னி"  ,"னீ"  ,"னு"  ,"னூ"  ,"னெ"  ,"னே"  ,"னை"  ,"னொ"  ,"னோ"  ,"னௌ", 
"ய"  ,"யா"  ,"யி"  ,"யீ"  ,"யு"  ,"யூ"  ,"யெ"  ,"யே"  ,"யை"  ,"யொ"  ,"யோ"  ,"யௌ", 
"ர"  ,"ரா"  ,"ரி"  ,"ரீ"  ,"ரு"  ,"ரூ"  ,"ரெ"  ,"ரே"  ,"ரை"  ,"ரொ"  ,"ரோ"  ,"ரௌ", 
"ல"  ,"லா"  ,"லி"  ,"லீ"  ,"லு"  ,"லூ"  ,"லெ"  ,"லே"  ,"லை"  ,"லொ"  ,"லோ"  ,"லௌ" , 
"வ"  ,"வா"  ,"வி"  ,"வீ"  ,"வு"  ,"வூ"  ,"வெ"  ,"வே"  ,"வை"  ,"வொ"  ,"வோ"  ,"வௌ" , 
"ழ"  ,"ழா"  ,"ழி"  ,"ழீ"  ,"ழு"  ,"ழூ"  ,"ழெ"  ,"ழே"  ,"ழை"  ,"ழொ"  ,"ழோ"  ,"ழௌ" , 
"ள"  ,"ளா"  ,"ளி"  ,"ளீ"  ,"ளு"  ,"ளூ"  ,"ளெ"  ,"ளே"  ,"ளை"  ,"ளொ"  ,"ளோ"  ,"ளௌ" ]

Class Method Summary collapse

Class Method Details

.accent_len ⇒ Object

length of the definitions



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# File 'lib/tamil.rb', line 113

def Tamil.accent_len( )
    return Tamil::TA_ACCENT_LEN ## 13 = 12 + 1
end

.agaram(idx) ⇒ Object 



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# File 'lib/tamil.rb', line 148

def Tamil.agaram( idx )
    assert {( idx >= 0) and ( idx < Tamil.agaram_len() )}
    return @@agaram_letters[idx]
end

.agaram_len ⇒ Object 



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# File 'lib/tamil.rb', line 129

def Tamil.agaram_len( )
    assert { @@agaram_letters.length == Tamil::TA_AGARAM_LEN }
    return Tamil::TA_AGARAM_LEN ##18
end

.ayudha_len ⇒ Object 



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# File 'lib/tamil.rb', line 117

def Tamil.ayudha_len( )
    return Tamil::TA_AYUDHA_LEN ## 1 
end

.get_letters(word) ⇒ Object 



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# File 'lib/tamil.rb', line 70

def Tamil.get_letters(word)
    ## Split a tamil-unicode stream into
    ## tamil characters (individuals).
    """ splits the word into a character-list of tamil/english
        characters present in the stream """ 
    ta_letters = Array.new()
    not_empty = false
    wlen = word.length()
    idx = 0
    while (idx < wlen)
        c = word[idx]
        if @@uyir_letters.include?(c) or c == @@ayudha_letter
            ta_letters.insert(-1,c)
            not_empty = true
        elsif @@grantha_agaram_letters.include?(c)
            ta_letters.insert(-1,c)
            not_empty = true
        elsif @@accent_symbols.include?(c)
            if not not_empty
               # odd situation
               ta_letters.insert(-1,c)
               not_empty = true
            else
               ta_letters[-1] += c 
            end                   
        else
            if c < "\u00FF"
               ta_letters.insert(-1, c )
            else
               if not_empty
                  ta_letters[-1]+= c
               else
                  ta_letters.insert(-1,c)
                  not_empty = true
               end
            end
        end
        idx = idx + 1
    end
    return ta_letters
end

.mei(idx) ⇒ Object 



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# File 'lib/tamil.rb', line 153

def Tamil.mei( idx )
    assert {( idx >= 0 ) and ( idx < Tamil.mei_len() )}
    return @@mei_letters[idx]
end

.mei_len ⇒ Object 



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# File 'lib/tamil.rb', line 125

def Tamil.mei_len( )
    return Tamil::TA_MEI_LEN ##18
end

.tamil_len ⇒ Object 



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# File 'lib/tamil.rb', line 138

def Tamil.tamil_len(  )
    return @@tamil_letters.length
end

.uyir(idx) ⇒ Object

access the letters



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# File 'lib/tamil.rb', line 143

def Tamil.uyir( idx )
    assert { ( idx >= 0 ) and  ( idx < Tamil.uyir_len() ) }
    return Tamil::uyir_letters[idx]
end

.uyir_len ⇒ Object 



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# File 'lib/tamil.rb', line 121

def Tamil.uyir_len( )
    return Tamil::TA_UYIR_LEN ##12
end

.uyirmei(idx) ⇒ Object 



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# File 'lib/tamil.rb', line 158

def Tamil.uyirmei( idx )
    assert {( idx >= 0 ) and  ( idx < Tamil.uyirmei_len() ) }
    return @@uyirmei_letters[idx]
end

.uyirmei_len ⇒ Object 



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# File 'lib/tamil.rb', line 134

def Tamil.uyirmei_len( )
    return Tamil::TA_UYIRMEI_LEN ##216
end