1 files changed, 244 insertions, 0 deletions
diff --git a/.vim/autoload/airline/builder.vim b/.vim/autoload/airline/builder.vim
new file mode 100644
index 0000000..b0352e3
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+++ b/.vim/autoload/airline/builder.vim
@@ -0,0 +1,244 @@
+" MIT License. Copyright (c) 2013-2018 Bailey Ling et al.
+" vim: et ts=2 sts=2 sw=2
+
+scriptencoding utf-8
+
+let s:prototype = {}
+
+function! s:prototype.split(...) dict
+  call add(self._sections, ['|', a:0 ? a:1 : '%='])
+endfunction
+
+function! s:prototype.add_section_spaced(group, contents) dict
+  let spc = empty(a:contents) ? '' : g:airline_symbols.space
+  call self.add_section(a:group, spc.a:contents.spc)
+endfunction
+
+function! s:prototype.add_section(group, contents) dict
+  call add(self._sections, [a:group, a:contents])
+endfunction
+
+function! s:prototype.add_raw(text) dict
+  call add(self._sections, ['', a:text])
+endfunction
+
+function! s:prototype.insert_section(group, contents, position) dict
+  call insert(self._sections, [a:group, a:contents], a:position)
+endfunction
+
+function! s:prototype.insert_raw(text, position) dict
+  call insert(self._sections, ['', a:text], a:position)
+endfunction
+
+function! s:prototype.get_position() dict
+  return len(self._sections)
+endfunction
+
+function! airline#builder#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! airline#builder#get_next_group(sections, i)
+  let x = a:i + 1
+  let l = len(a:sections)
+  while x < l
+    let group = a:sections[x][0]
+    if group != '' && group != '|'
+      return group
+    endif
+    let x = x + 1
+  endwhile
+  return ''
+endfunction
+
+function! s:prototype.build() dict
+  let side = 1
+  let line = ''
+  let i = 0
+  let length = len(self._sections)
+  let split = 0
+  let is_empty = 0
+  let prev_group = ''
+
+  while i < length
+    let section = self._sections[i]
+    let group = section[0]
+    let contents = section[1]
+    let pgroup = prev_group
+    let prev_group = airline#builder#get_prev_group(self._sections, i)
+    if group ==# 'airline_c' && &buftype ==# 'terminal' && self._context.active
+      let group = 'airline_term'
+    elseif group ==# 'airline_c' && !self._context.active && has_key(self._context, 'bufnr')
+      let group = 'airline_c'. self._context.bufnr
+    elseif prev_group ==# 'airline_c' && !self._context.active && has_key(self._context, 'bufnr')
+      let prev_group = 'airline_c'. self._context.bufnr
+    endif
+    if is_empty
+      let prev_group = pgroup
+    endif
+    let is_empty = s:section_is_empty(self, contents)
+
+    if is_empty
+      " need to fix highlighting groups, since we
+      " have skipped a section, we actually need
+      " the previous previous group and so the
+      " seperator goes from the previous previous group
+      " to the current group
+      let pgroup = group
+    endif
+
+    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
+        if !is_empty
+          let line .= s:get_transitioned_seperator(self, prev_group, group, side)
+        endif
+        let split = 0
+      else
+        if !is_empty
+          let line .= s:get_seperator(self, prev_group, group, side)
+        endif
+      endif
+      let line .= is_empty ? '' : s:get_accented_line(self, group, contents)
+    endif
+
+    let i = i + 1
+  endwhile
+
+  if !self._context.active
+    "let line = substitute(line, '%#airline_c#', '%#airline_c'.self._context.bufnr.'#', '')
+    let line = substitute(line, '%#.\{-}\ze#', '\0_inactive', 'g')
+  endif
+  return line
+endfunction
+
+function! airline#builder#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 g:airline_gui_mode ==# 'gui'
+    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 = ''
+  if get(a:self._context, 'tabline', 0) && get(g:, 'airline#extensions#tabline#alt_sep', 0) && a:group ==# 'airline_tabsel' && a:side
+    call airline#highlighter#add_separator(a:prev_group, a:group, 0)
+    let line .= '%#'.a:prev_group.'_to_'.a:group.'#'
+    let line .=  a:self._context.right_sep.'%#'.a:group.'#'
+  else
+    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.'#'
+  endif
+  return line
+endfunction
+
+function! s:get_seperator(self, prev_group, group, side)
+  if airline#builder#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
+    " active window
+    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
+    " inactive window
+    let line = substitute(a:contents, '%#__accent[^#]*#', '', 'g')
+    let line = substitute(line, '%#__restore__#', '', 'g')
+  endif
+  return line
+endfunction
+
+function! s:section_is_empty(self, content)
+  let start=1
+
+  " do not check for inactive windows or the tabline
+  if a:self._context.active == 0
+    return 0
+  elseif get(a:self._context, 'tabline', 0)
+    return 0
+  endif
+
+  " only check, if airline#skip_empty_sections == 1
+  if get(g:, 'airline_skip_empty_sections', 0) == 0
+    return 0
+  endif
+
+  " only check, if airline#skip_empty_sections == 1
+  if get(w:, 'airline_skip_empty_sections', -1) == 0
+    return 0
+  endif
+  " assume accents sections to be never empty
+  " (avoides, that on startup the mode message becomes empty)
+  if match(a:content, '%#__accent_[^#]*#.*__restore__#') > -1
+    return 0
+  endif
+  if empty(a:content)
+    return 1
+  endif
+  let list=matchlist(a:content, '%{\zs.\{-}\ze}', 1, start)
+  if empty(list)
+    return 0 " no function in statusline text
+  endif
+  while len(list) > 0
+    let expr = list[0]
+    try
+      " catch all exceptions, just in case
+      if !empty(eval(expr))
+        return 0
+      endif
+    catch
+      return 0
+    endtry
+    let start += 1
+    let list=matchlist(a:content, '%{\zs.\{-}\ze}', 1, start)
+  endw
+  return 1
+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