vim-airline-themes/autoload/airline/builder.vim
2015-02-16 12:00:52 -05:00

135 lines
3.7 KiB
VimL

" MIT License. Copyright (c) 2013-2015 Bailey Ling.
" vim: et ts=2 sts=2 sw=2
let s:prototype = {}
function! s:prototype.split(...)
call add(self._sections, ['|', a:0 ? a:1 : '%='])
endfunction
function! s:prototype.add_section_spaced(group, contents)
call self.add_section(a:group, (g:airline_symbols.space).a:contents.(g:airline_symbols.space))
endfunction
function! s:prototype.add_section(group, contents)
call add(self._sections, [a:group, a:contents])
endfunction
function! s:prototype.add_raw(text)
call add(self._sections, ['', a:text])
endfunction
function! s:get_prev_group(sections, i)
let x = a:i - 1
while x >= 0
let group = a:sections[x][0]
if group != '' && group != '|'
return group
endif
let x = x - 1
endwhile
return ''
endfunction
function! s:prototype.build()
let side = 1
let line = ''
let i = 0
let length = len(self._sections)
let split = 0
while i < length
let section = self._sections[i]
let group = section[0]
let contents = section[1]
let prev_group = s:get_prev_group(self._sections, i)
if group == ''
let line .= contents
elseif group == '|'
let side = 0
let line .= contents
let split = 1
else
if prev_group == ''
let line .= '%#'.group.'#'
elseif split
let line .= s:get_transitioned_seperator(self, prev_group, group, side)
let split = 0
else
let line .= s:get_seperator(self, prev_group, group, side)
endif
let line .= s:get_accented_line(self, group, contents)
endif
let i = i + 1
endwhile
if !self._context.active
let line = substitute(line, '%#.\{-}\ze#', '\0_inactive', 'g')
endif
return line
endfunction
function! s:should_change_group(group1, group2)
if a:group1 == a:group2
return 0
endif
let color1 = airline#highlighter#get_highlight(a:group1)
let color2 = airline#highlighter#get_highlight(a:group2)
if has('gui_running') || (has("termtruecolor") && &guicolors == 1)
return color1[1] != color2[1] || color1[0] != color2[0]
else
return color1[3] != color2[3] || color1[2] != color2[2]
endif
endfunction
function! s:get_transitioned_seperator(self, prev_group, group, side)
let line = ''
call airline#highlighter#add_separator(a:prev_group, a:group, a:side)
let line .= '%#'.a:prev_group.'_to_'.a:group.'#'
let line .= a:side ? a:self._context.left_sep : a:self._context.right_sep
let line .= '%#'.a:group.'#'
return line
endfunction
function! s:get_seperator(self, prev_group, group, side)
if s:should_change_group(a:prev_group, a:group)
return s:get_transitioned_seperator(a:self, a:prev_group, a:group, a:side)
else
return a:side ? a:self._context.left_alt_sep : a:self._context.right_alt_sep
endif
endfunction
function! s:get_accented_line(self, group, contents)
if a:self._context.active
let contents = []
let content_parts = split(a:contents, '__accent')
for cpart in content_parts
let accent = matchstr(cpart, '_\zs[^#]*\ze')
call add(contents, cpart)
endfor
let line = join(contents, a:group)
let line = substitute(line, '__restore__', a:group, 'g')
else
let line = substitute(a:contents, '%#__accent[^#]*#', '', 'g')
let line = substitute(line, '%#__restore__#', '', 'g')
endif
return line
endfunction
function! airline#builder#new(context)
let builder = copy(s:prototype)
let builder._context = a:context
let builder._sections = []
call extend(builder._context, {
\ 'left_sep': g:airline_left_sep,
\ 'left_alt_sep': g:airline_left_alt_sep,
\ 'right_sep': g:airline_right_sep,
\ 'right_alt_sep': g:airline_right_alt_sep,
\ }, 'keep')
return builder
endfunction