全角文字は死ね

full_to_half.vim

command! FullToHalf call s:full_to_half.substitute()


let s:full_to_half = {}
let s:full_to_half.table = {
\                           '　' : ' '
\                           , '（' : '('
\                           , '）' : ')'
\                           , '：' : ':'
\                           , '０' : '0'
\                           , '１' : '1'
\                           , '２' : '2'
\                           , '３' : '3'
\                           , '４' : '4'
\                           , '５' : '5'
\                           , '６' : '6'
\                           , '７' : '7'
\                           , '８' : '8'
\                           , '９' : '9'
\                           }

function! s:full_to_half.substitute() dict
    let substitute_list =
    \           values(map(deepcopy(self.table)
    \           , '":silent %s/" . v:key . "/" . v:val . "/ge"'))
    call s:bleiben_execute(substitute_list)
endfunction

function! s:bleiben_execute(cmd_list)
    let l:pos = getpos('.')
    for cmd in a:cmd_list
        execute cmd
    endfor
    call setpos('.', l:pos)
endfunction