Created
April 26, 2017 04:19
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vim-toggle-case.vim
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| function! s:ToggleCase() | |
| let cur_word = expand("<cword>") | |
| if cur_word == '' | |
| return | |
| endif | |
| let new_word = '' | |
| if toupper(cur_word)==#cur_word " CONST_ISH | |
| let new_word = tolower(cur_word) | |
| elseif cur_word =~ '_' " snake_case | |
| let chunks = split(cur_word, '_') | |
| let new_word = tolower(chunks[0]) | |
| for chunk in chunks[1:] | |
| let chunk = tolower(chunk) | |
| let chunk = substitute(chunk, '^.', '\U\0', '') | |
| let new_word = new_word . chunk | |
| endfor | |
| else " camelCase...maybe | |
| let chunks = split(cur_word, '[^A-Z]\zs\ze[A-Z]', 1) | |
| let new_word = toupper(chunks[0]) | |
| for chunk in chunks[1:] | |
| let chunk = toupper(chunk) | |
| let new_word = new_word . '_' . chunk | |
| endfor | |
| endif | |
| exec 'norm viwc' . new_word . '' | |
| exec 'norm b' | |
| endfunction | |
| command! ToggleCase call <SID>ToggleCase() | |
| nnoremap <C-n> :ToggleCase<CR> |
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