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116 lines
2.6 KiB
VimL
116 lines
2.6 KiB
VimL
" banana.vim - Convert Base Banana (https://git.lattuga.net/itec/banana) and back
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" T4 - totem4@tropici.net
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" Version: 0.1
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if exists("g:autoloaded_Banana") || &cp
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finish
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endif
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let g:autoloaded_Banana= 1
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fun! banana#Enc() range
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if line("'<") > 0
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call s:ReplSel(s:Dec2Ban(s:GetSel()))
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else
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call s:EncLine()
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endif
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endfun!
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fun! s:EncLine()
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call setline('.', substitute(getline('.'), '\d\d*', '\=toupper(s:Doban(submatch(0)))','g'))
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endfun!
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fun! banana#Dec() range
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if line("'<") > 0
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call s:ReplSel(s:Ban2Dec(s:GetSel()))
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else
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call s:DecLine()
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endif
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endfun!
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fun! s:DecLine()
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call setline('.', substitute(getline('.'), '\C\u\u*', '\=s:Unban(tolower(submatch(0)))','g'))
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endfun!
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let s:dictionary = [['b', 'c', 'd', 'f', 'g', 'l', 'm', 'n', 'p', 'r', 's', 't', 'v', 'z'], ['a', 'e', 'i', 'o', 'u']]
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let s:numdict = len(s:dictionary)
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fun! s:Doban(num)
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let l:v = a:num
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let l:st = ''
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let l:l = 0
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let l:i = (s:numdict - 1) % s:numdict
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while ! (l:v == 0 && l:i == (s:numdict -1) % s:numdict && l:l >= 0)
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let l:r = l:v % len(s:dictionary[l:i])
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let l:v = l:v / len(s:dictionary[l:i])
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let l:st = s:dictionary[l:i][l:r] . l:st
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let l:i = abs((l:i - 1) % s:numdict)
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let l:l = l:l + 1
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endwhile
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return l:st
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endfun!
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fun! s:Unban(ban)
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if ! s:IsBanana(a:ban)
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return toupper(a:ban)
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endif
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let l:v = 0
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for l:i in range(len(a:ban))
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let l:r = (s:numdict + l:i) % s:numdict
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let l:p = index(s:dictionary[l:r],a:ban[l:i])
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let l:v = l:v * len(s:dictionary[l:r]) + l:p
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endfor
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return l:v
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endfun!
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fun! s:IsBanana(ban)
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if (len(a:ban) % s:numdict) != 0
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return 0
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endif
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for l:i in range(len(a:ban))
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let l:r = (s:numdict + l:i) % s:numdict
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if index(s:dictionary[l:r],a:ban[l:i]) == -1
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return 0
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endif
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endfor
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return 1
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endfun!
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fun! s:GetSel()
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let [l:lstart, l:cstart] = getcharpos("'<")[1:2]
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let [l:lend, l:cend] = getcharpos("'>")[1:2]
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let l:lines = getline(l:lstart, l:lend)
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if len(l:lines) == 0
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return ''
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endif
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let l:lines[-1] = l:lines[-1][: l:cend - (&selection == 'inclusive' ? 1 : 2)]
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let l:lines[0] = l:lines[0][l:cstart - 1:]
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return join(l:lines, "\n")
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endfun!
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fun! s:ReplSel(str)
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let [l:lstart, l:cstart] = getcharpos("'<")[1:2]
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let [l:lend, l:cend] = getcharpos("'>")[1:2]
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let l:lines = getline(l:lstart, l:lend)
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let l:new_str = slice(l:lines[0],0,l:cstart - 1) . a:str . l:lines[-1][l:cend:]
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let l:new_str_lst = split(l:new_str,'\n')
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call setline(l:lstart ,l:new_str_lst)
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delmarks < >
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endfun!
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fun! s:Dec2Ban(text)
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return substitute(a:text, '\d\d*', '\=toupper(s:Doban(submatch(0)))', 'g')
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endfun!
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fun! s:Ban2Dec(text)
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return substitute(a:text, '\C\u\u*', '\=s:Unban(tolower(submatch(0)))', 'g')
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endfun!
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