mirror of
https://github.com/airblade/vim-gitgutter.git
synced 2025-11-09 20:13:46 -05:00
79 lines
2.5 KiB
VimL
79 lines
2.5 KiB
VimL
" Vim doesn't namespace sign ids so every plugin shares the same
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" namespace. Sign ids are simply integers so to avoid clashes with other
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" signs we guess at a clear run.
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"
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" Note also we currently never reset s:next_sign_id.
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let s:first_sign_id = 3000
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let s:next_sign_id = s:first_sign_id
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let s:dummy_sign_id = s:first_sign_id - 1
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function! sign#clear_signs(file_name)
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for id in getbufvar(a:file_name, 'gitgutter_sign_ids', [])
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exe ":sign unplace" id "file=" . a:file_name
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endfor
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call setbufvar(a:file_name, 'gitgutter_sign_ids', [])
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endfunction
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" This assumes there are no GitGutter signs in the file.
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" If this is untenable we could change the regexp to exclude GitGutter's
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" signs.
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function! sign#find_other_signs(file_name)
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redir => signs
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silent exe ":sign place file=" . a:file_name
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redir END
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let other_signs = []
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for sign_line in split(signs, '\n')
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let matches = matchlist(sign_line, '^\s\+\w\+=\(\d\+\)')
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if len(matches) > 0
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let line_number = str2nr(matches[1])
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call add(other_signs, line_number)
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endif
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endfor
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call setbufvar(a:file_name, 'gitgutter_other_signs', other_signs)
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endfunction
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function! sign#show_signs(file_name, modified_lines)
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for line in a:modified_lines
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let line_number = line[0]
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let type = 'GitGutterLine' . utility#snake_case_to_camel_case(line[1])
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call sign#add_sign(line_number, type, a:file_name)
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endfor
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endfunction
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function! sign#add_sign(line_number, name, file_name)
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let id = sign#next_sign_id()
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if !sign#is_other_sign(a:file_name, a:line_number) " Don't clobber other people's signs.
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exe ":sign place" id "line=" . a:line_number "name=" . a:name "file=" . a:file_name
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call sign#remember_sign(id, a:file_name)
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endif
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endfunction
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function! sign#next_sign_id()
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let next_id = s:next_sign_id
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let s:next_sign_id += 1
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return next_id
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endfunction
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function! sign#remember_sign(id, file_name)
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let signs = getbufvar(a:file_name, 'gitgutter_sign_ids', [])
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call add(signs, a:id)
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call setbufvar(a:file_name, 'gitgutter_sign_ids', signs)
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endfunction
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function! sign#is_other_sign(file_name, line_number)
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let other_signs = getbufvar(a:file_name, 'gitgutter_other_signs', [])
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return index(other_signs, a:line_number) == -1 ? 0 : 1
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endfunction
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function! sign#add_dummy_sign()
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let last_line = line('$')
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exe ":sign place" s:dummy_sign_id "line=" . (last_line + 1) "name=GitGutterDummy file=" . utility#file()
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endfunction
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function! sign#remove_dummy_sign()
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if exists('s:dummy_sign_id')
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exe ":sign unplace" s:dummy_sign_id "file=" . utility#file()
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endif
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endfunction
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