mirror of
https://github.com/vim-airline/vim-airline.git
synced 2024-12-13 05:53:49 +08:00
92 lines
2.8 KiB
VimL
92 lines
2.8 KiB
VimL
" MIT License. Copyright (c) 2013-2021 Bailey Ling et al.
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" vim: et ts=2 sts=2 sw=2
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scriptencoding utf-8
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let s:skip_symbol = '…'
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function! airline#extensions#tabline#formatters#unique_tail_improved#format(bufnr, buffers)
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if len(a:buffers) <= 1 " don't need to compare bufnames if has less than one buffer opened
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return airline#extensions#tabline#formatters#default#format(a:bufnr, a:buffers)
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endif
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let curbuf_tail = fnamemodify(bufname(a:bufnr), ':t')
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let do_deduplicate = 0
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let path_tokens = {}
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for nr in a:buffers
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let name = bufname(nr)
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if !empty(name) && nr != a:bufnr && fnamemodify(name, ':t') == curbuf_tail " only perform actions if curbuf_tail isn't unique
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let do_deduplicate = 1
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let tokens = reverse(split(substitute(fnamemodify(name, ':p:h'), '\\', '/', 'g'), '/'))
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let token_index = 0
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for token in tokens
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if token == '' | continue | endif
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if token == '.' | break | endif
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if !has_key(path_tokens, token_index)
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let path_tokens[token_index] = {}
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endif
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let path_tokens[token_index][token] = 1
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let token_index += 1
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endfor
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endif
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endfor
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if do_deduplicate == 1
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let path = []
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let token_index = 0
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for token in reverse(split(substitute(fnamemodify(bufname(a:bufnr), ':p:h'), '\\', '/', 'g'), '/'))
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if token == '.' | break | endif
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let duplicated = 0
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let uniq = 1
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let single = 1
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if has_key(path_tokens, token_index)
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let duplicated = 1
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if len(keys(path_tokens[token_index])) > 1 | let single = 0 | endif
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if has_key(path_tokens[token_index], token) | let uniq = 0 | endif
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endif
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call insert(path, {'token': token, 'duplicated': duplicated, 'uniq': uniq, 'single': single})
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let token_index += 1
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endfor
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let buf_name = [curbuf_tail]
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let has_uniq = 0
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let has_skipped = 0
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for token1 in reverse(path)
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if !token1['duplicated'] && len(buf_name) > 1
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call insert(buf_name, s:skip_symbol)
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let has_skipped = 0
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break
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endif
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if has_uniq == 1
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call insert(buf_name, s:skip_symbol)
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let has_skipped = 0
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break
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endif
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if token1['uniq'] == 0 && token1['single'] == 1
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let has_skipped = 1
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else
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if has_skipped == 1
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call insert(buf_name, s:skip_symbol)
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let has_skipped = 0
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endif
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call insert(buf_name, token1['token'])
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endif
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if token1['uniq'] == 1
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let has_uniq = 1
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endif
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endfor
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if has_skipped == 1
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call insert(buf_name, s:skip_symbol)
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endif
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return airline#extensions#tabline#formatters#default#wrap_name(a:bufnr, join(buf_name, '/'))
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else
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return airline#extensions#tabline#formatters#default#format(a:bufnr, a:buffers)
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endif
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endfunction
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