vim-airline/autoload/airline.vim

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" MIT License. Copyright (c) 2013 Bailey Ling.
" vim: et ts=2 sts=2 sw=2
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let g:airline_statusline_funcrefs = get(g:, 'airline_statusline_funcrefs', [])
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let s:sections = ['a','b','c','gutter','x','y','z','warning']
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let s:highlighter = airline#highlighter#new()
function! airline#add_statusline_func(name)
call airline#add_statusline_funcref(function(a:name))
endfunction
function! airline#add_statusline_funcref(function)
call add(g:airline_statusline_funcrefs, a:function)
endfunction
function! airline#remove_statusline_func(name)
let i = index(g:airline_statusline_funcrefs, function(a:name))
if i > -1
call remove(g:airline_statusline_funcrefs, i)
endif
endfunction
function! airline#load_theme()
call s:highlighter.load_theme()
call airline#extensions#load_theme()
endfunction
function! airline#switch_theme(name)
let g:airline_theme = a:name
let palette = g:airline#themes#{g:airline_theme}#palette "also lazy loads the theme
call airline#themes#patch(palette)
if exists('g:airline_theme_patch_func')
let Fn = function(g:airline_theme_patch_func)
call Fn(palette)
endif
let w:airline_lastmode = ''
call airline#update_statusline()
call airline#load_theme()
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call airline#check_mode()
endfunction
function! airline#switch_matching_theme()
if exists('g:colors_name')
let v:errmsg = ''
silent! let palette = g:airline#themes#{g:colors_name}#palette
if empty(v:errmsg)
call airline#switch_theme(g:colors_name)
return 1
else
for map in items(g:airline_theme_map)
if match(g:colors_name, map[0]) > -1
call airline#switch_theme(map[1])
return 1
endif
endfor
endif
endif
return 0
endfunction
function! s:get_section(winnr, key, ...)
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let text = airline#util#getwinvar(a:winnr, 'airline_section_'.a:key, g:airline_section_{a:key})
let [prefix, suffix] = [get(a:000, 0, '%( '), get(a:000, 1, ' %)')]
return empty(text) ? '' : prefix.text.suffix
endfunction
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function! airline#get_statusline(builder, winnr, active)
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if airline#util#getwinvar(a:winnr, 'airline_render_left', a:active || (!a:active && !g:airline_inactive_collapse))
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call a:builder.add_section('airline_a', s:get_section(a:winnr, 'a'))
call a:builder.add_section('airline_b', s:get_section(a:winnr, 'b'))
call a:builder.add_section('airline_c', '%<'.s:get_section(a:winnr, 'c'))
else
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call a:builder.add_section('airline_c', '%f%m')
endif
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call a:builder.split(s:get_section(a:winnr, 'gutter', '', ''))
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if airline#util#getwinvar(a:winnr, 'airline_render_right', 1)
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call a:builder.add_section('airline_x', s:get_section(a:winnr, 'x'))
call a:builder.add_section('airline_y', s:get_section(a:winnr, 'y'))
call a:builder.add_section('airline_z', s:get_section(a:winnr, 'z'))
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if a:active
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call a:builder.add_raw('%(')
call a:builder.add_section('warningmsg', s:get_section(a:winnr, 'warning', '', ''))
call a:builder.add_raw('%)')
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endif
endif
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return a:builder.build()
endfunction
function! airline#update_statusline()
for nr in filter(range(1, winnr('$')), 'v:val != winnr()')
if airline#util#getwinvar(nr, 'airline_active', 0)
call setwinvar(nr, 'airline_active', 0)
let stl = getwinvar(nr, '&statusline')
let line = substitute(stl, '%#.\{-}\ze#', '\0_inactive', 'g')
call setwinvar(nr, '&statusline', line)
endif
endfor
let w:airline_active = 1
unlet! w:airline_render_left
unlet! w:airline_render_right
for section in s:sections
unlet! w:airline_section_{section}
endfor
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let context = { 'winnr': winnr(), 'active': 1 }
let builder = airline#builder#new(s:highlighter)
let err = airline#util#exec_funcrefs(g:airline_statusline_funcrefs, builder, context)
if err == 0
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call setwinvar(winnr(), '&statusline', airline#get_statusline(builder, winnr(), 1))
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elseif err == 1
call setwinvar(winnr(), '&statusline', builder.build())
endif
endfunction
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function! airline#check_mode()
if get(w:, 'airline_active', 1)
let l:m = mode()
if l:m ==# "i"
let l:mode = ['insert']
elseif l:m ==# "R"
let l:mode = ['replace']
elseif l:m =~# '\v(v|V||s|S|)'
let l:mode = ['visual']
else
let l:mode = ['normal']
endif
let w:airline_current_mode = get(g:airline_mode_map, l:m, l:m)
else
let l:mode = ['inactive']
let w:airline_current_mode = get(g:airline_mode_map, '__')
endif
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if g:airline_detect_modified && &modified
call add(l:mode, 'modified')
endif
if g:airline_detect_paste && &paste
call add(l:mode, 'paste')
endif
let mode_string = join(l:mode)
if get(w:, 'airline_lastmode', '') != mode_string
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call s:highlighter.highlight(l:mode)
let w:airline_lastmode = mode_string
endif
return ''
endfunction