vim-airline/autoload/airline/extensions/tabline/formatters.vim
2013-12-22 04:03:07 +02:00

139 lines
4.0 KiB
VimL

" MIT License. Copyright (c) 2013 Bailey Ling.
" vim: et ts=2 sts=2 sw=2
let s:fmod = get(g:, 'airline#extensions#tabline#fnamemod', ':~:.')
let s:fnamecollapse = get(g:, 'airline#extensions#tabline#fnamecollapse', 1)
let s:buf_nr_format = get(g:, 'airline#extensions#tabline#buffer_nr_format', '%s: ')
let s:buf_nr_show = get(g:, 'airline#extensions#tabline#buffer_nr_show', 0)
let s:buf_modified_symbol = g:airline_symbols.modified
function! airline#extensions#tabline#formatters#default(bufnr, buffers)
let _ = ''
let name = bufname(a:bufnr)
if empty(name)
let _ .= '[No Name]'
else
if s:fnamecollapse
let _ .= substitute(fnamemodify(name, s:fmod), '\v\w\zs.{-}\ze(\\|/)', '', 'g')
else
let _ .= fnamemodify(name, s:fmod)
endif
endif
return s:wrap_name(a:bufnr, _)
endfunction
function! airline#extensions#tabline#formatters#unique_tail(bufnr, buffers)
let duplicates = {}
let tails = {}
let map = {}
for nr in a:buffers
let name = bufname(nr)
if empty(name)
let map[nr] = '[No Name]'
else
let tail = fnamemodify(name, ':t')
if has_key(tails, tail)
let duplicates[nr] = nr
endif
let tails[tail] = 1
let map[nr] = s:wrap_name(nr, tail)
endif
endfor
for nr in values(duplicates)
let map[nr] = s:wrap_name(nr, fnamemodify(bufname(nr), ':p:.'))
endfor
return map[a:bufnr]
endfunction
function! airline#extensions#tabline#formatters#unique_tail_improved(bufnr, buffers)
if len(a:buffers) <= 1 " don't need to compare bufnames if has less than one buffer opened
return airline#extensions#tabline#formatters#default(a:bufnr, a:buffers)
endif
let curbuf_tail = fnamemodify(bufname(a:bufnr), ':t')
let do_deduplicate = 0
let path_tokens = {}
for nr in a:buffers
let name = bufname(nr)
if !empty(name) && nr != a:bufnr && fnamemodify(name, ':t') == curbuf_tail
let do_deduplicate = 1
let tokens = reverse(split(substitute(fnamemodify(name, ':p:.:h'), '\\', '/', 'g'), '/'))
let token_index = 0
for token in tokens
if token == '.' | break | endif
if !has_key(path_tokens, token_index)
let path_tokens[token_index] = {}
endif
let path_tokens[token_index][token] = 1
let token_index += 1
endfor
endif
endfor
if do_deduplicate == 1
let path = []
let token_index = 0
for token in reverse(split(substitute(fnamemodify(bufname(a:bufnr), ':p:.:h'), '\\', '/', 'g'), '/'))
if token == '.' | break | endif
let duplicated = 0
let uniq = 1
let single = 1
if has_key(path_tokens, token_index)
let duplicated = 1
if len(keys(path_tokens[token_index])) > 1 | let single = 0 | endif
if has_key(path_tokens[token_index], token) | let uniq = 0 | endif
endif
call insert(path, {'token': token, 'duplicated': duplicated, 'uniq': uniq, 'single': single})
let token_index += 1
endfor
let buf_name = [curbuf_tail]
let has_uniq = 0
let has_skipped = 0
let skip_symbol = '…'
for token1 in reverse(path)
if !token1['duplicated'] && len(buf_name) > 1
call insert(buf_name, skip_symbol)
break
endif
if has_uniq == 1
call insert(buf_name, skip_symbol)
break
endif
if token1['uniq'] == 0 && token1['single'] == 1
let has_skipped = 1
else
if has_skipped == 1
call insert(buf_name, skip_symbol)
let has_skipped = 0
endif
call insert(buf_name, token1['token'])
endif
if token1['uniq'] == 1
let has_uniq = 1
endif
endfor
return s:wrap_name(a:bufnr, join(buf_name, '/'))
else
return airline#extensions#tabline#formatters#default(a:bufnr, a:buffers)
endif
endfunction
function! s:wrap_name(bufnr, buffer_name)
let _ = s:buf_nr_show ? printf(s:buf_nr_format, a:bufnr) : ''
let _ .= substitute(a:buffer_name, '\\', '/', 'g')
if getbufvar(a:bufnr, '&modified') == 1
let _ .= s:buf_modified_symbol
endif
return _
endfunction