vim-airline-themes/autoload/airline/builder.vim

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" MIT license. Copyright (c) 2013 Bailey Ling.
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" vim: et ts=2 sts=2 sw=2
let s:prototype = {}
function! s:prototype.split(gutter)
call add(self._sections, ['|', a:gutter])
endfunction
function! s:prototype.add_section(group, contents)
call add(self._sections, ['airline_'.a:group, a:contents])
endfunction
function! s:prototype.add_raw(text)
call add(self._sections, ['_', a:text])
endfunction
function! s:prototype._group(group)
return self._active ? a:group : a:group.'_inactive'
endfunction
function! s:prototype.build()
let line = '%{airline#check_mode()}'
let side = 0
let prev_group = ''
for section in self._sections
if section[0] == '|'
let side = 1
let line .= '%#'.prev_group.'#'.section[1]
let prev_group = ''
continue
endif
if section[0] == '_'
let line .= section[1]
continue
endif
if prev_group != ''
call self._highlighter.add_separator(self._group(prev_group), self._group(section[0]))
let line .= side == 0
\ ? '%#'.self._group(section[0]).'_to_'.self._group(prev_group).'#'
\ : '%#'.self._group(prev_group).'_to_'.self._group(section[0]).'#'
let line .= side == 0
\ ? self._active ? g:airline_left_sep : g:airline_left_alt_sep
\ : self._active ? g:airline_right_sep : g:airline_right_alt_sep
endif
let line .= '%#'.self._group(section[0]).'#'.section[1]
let prev_group = section[0]
endfor
return line
endfunction
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function! airline#builder#new(active, highlighter)
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let builder = copy(s:prototype)
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let builder._sections = []
let builder._active = a:active
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let builder._highlighter = a:highlighter
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return builder
endfunction
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