aboutsummaryrefslogtreecommitdiff
path: root/.vim/autoload/airline/util.vim
blob: 65e123ce59c4520cd4ab6ee473f36954cad54ff1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
" MIT License. Copyright (c) 2013-2018 Bailey Ling et al.
" vim: et ts=2 sts=2 sw=2

" TODO: Try to cache winwidth(0) function
" e.g. store winwidth per window and access that, only update it, if the size
" actually changed.
scriptencoding utf-8

call airline#init#bootstrap()
let s:spc = g:airline_symbols.space
let s:nomodeline = (v:version > 703 || (v:version == 703 && has("patch438"))) ? '<nomodeline>' : ''

function! airline#util#shorten(text, winwidth, minwidth, ...)
  if winwidth(0) < a:winwidth && len(split(a:text, '\zs')) > a:minwidth
    if get(a:000, 0, 0)
      " shorten from tail
      return '…'.matchstr(a:text, '.\{'.a:minwidth.'}$')
    else
      " shorten from beginning of string
      return matchstr(a:text, '^.\{'.a:minwidth.'}').'…'
    endif
  else
    return a:text
  endif
endfunction

function! airline#util#wrap(text, minwidth)
  if a:minwidth > 0 && winwidth(0) < a:minwidth
    return ''
  endif
  return a:text
endfunction

function! airline#util#append(text, minwidth)
  if a:minwidth > 0 && winwidth(0) < a:minwidth
    return ''
  endif
  let prefix = s:spc == "\ua0" ? s:spc : s:spc.s:spc
  return empty(a:text) ? '' : prefix.g:airline_left_alt_sep.s:spc.a:text
endfunction

function! airline#util#warning(msg)
  echohl WarningMsg
  echomsg "airline: ".a:msg
  echohl Normal
endfunction

function! airline#util#prepend(text, minwidth)
  if a:minwidth > 0 && winwidth(0) < a:minwidth
    return ''
  endif
  return empty(a:text) ? '' : a:text.s:spc.g:airline_right_alt_sep.s:spc
endfunction

if v:version >= 704
  function! airline#util#getwinvar(winnr, key, def)
    return getwinvar(a:winnr, a:key, a:def)
  endfunction
else
  function! airline#util#getwinvar(winnr, key, def)
    let winvals = getwinvar(a:winnr, '')
    return get(winvals, a:key, a:def)
  endfunction
endif

if v:version >= 704
  function! airline#util#exec_funcrefs(list, ...)
    for Fn in a:list
      let code = call(Fn, a:000)
      if code != 0
        return code
      endif
    endfor
    return 0
  endfunction
else
  function! airline#util#exec_funcrefs(list, ...)
    " for 7.2; we cannot iterate the list, hence why we use range()
    " for 7.3-[97, 328]; we cannot reuse the variable, hence the {}
    for i in range(0, len(a:list) - 1)
      let Fn{i} = a:list[i]
      let code = call(Fn{i}, a:000)
      if code != 0
        return code
      endif
    endfor
    return 0
  endfunction
endif

" Compatibility wrapper for strchars, in case this vim version does not
" have it natively
function! airline#util#strchars(str)
  if exists('*strchars')
    return strchars(a:str)
  else
    return strlen(substitute(a:str, '.', 'a', 'g'))
  endif
endfunction

function! airline#util#ignore_buf(name)
  let pat = '\c\v'. get(g:, 'airline#ignore_bufadd_pat', '').
        \ get(g:, 'airline#extensions#tabline#ignore_bufadd_pat', 
        \ 'gundo|undotree|vimfiler|tagbar|nerd_tree|startify|!')
  return match(a:name, pat) > -1
endfunction

function! airline#util#has_fugitive()
  return exists('*fugitive#head') || exists('*FugitiveHead')
endfunction

function! airline#util#has_lawrencium()
  return exists('*lawrencium#statusline')
endfunction

function! airline#util#has_vcscommand()
  return get(g:, 'airline#extensions#branch#use_vcscommand', 0) && exists('*VCSCommandGetStatusLine')
endfunction

function! airline#util#has_custom_scm()
  return !empty(get(g:, 'airline#extensions#branch#custom_head', ''))
endfunction

function! airline#util#doautocmd(event)
  exe printf("silent doautocmd %s User %s", s:nomodeline, a:event)
endfunction

function! airline#util#themes(match)
  let files = split(globpath(&rtp, 'autoload/airline/themes/'.a:match.'*'), "\n")
  return map(files, 'fnamemodify(v:val, ":t:r")')
endfunction