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-rw-r--r--.vim/autoload/airline/extensions/tabline/autoshow.vim55
-rw-r--r--.vim/autoload/airline/extensions/tabline/buffers.vim246
-rw-r--r--.vim/autoload/airline/extensions/tabline/buflist.vim77
-rw-r--r--.vim/autoload/airline/extensions/tabline/builder.vim232
-rw-r--r--.vim/autoload/airline/extensions/tabline/ctrlspace.vim157
-rw-r--r--.vim/autoload/airline/extensions/tabline/formatters/default.vim43
-rw-r--r--.vim/autoload/airline/extensions/tabline/formatters/jsformatter.vim15
-rw-r--r--.vim/autoload/airline/extensions/tabline/formatters/tabnr.vim14
-rw-r--r--.vim/autoload/airline/extensions/tabline/formatters/unique_tail.vim41
-rw-r--r--.vim/autoload/airline/extensions/tabline/formatters/unique_tail_improved.vim91
-rw-r--r--.vim/autoload/airline/extensions/tabline/tabs.vim124
-rw-r--r--.vim/autoload/airline/extensions/tabline/xtabline.vim397
12 files changed, 1492 insertions, 0 deletions
diff --git a/.vim/autoload/airline/extensions/tabline/autoshow.vim b/.vim/autoload/airline/extensions/tabline/autoshow.vim
new file mode 100644
index 0000000..ac1413f
--- /dev/null
+++ b/.vim/autoload/airline/extensions/tabline/autoshow.vim
@@ -0,0 +1,55 @@
+" MIT License. Copyright (c) 2013-2018 Bailey Ling et al.
+" vim: et ts=2 sts=2 sw=2
+
+scriptencoding utf-8
+
+let s:show_buffers = get(g:, 'airline#extensions#tabline#show_buffers', 1)
+let s:buf_min_count = get(g:, 'airline#extensions#tabline#buffer_min_count', 0)
+let s:tab_min_count = get(g:, 'airline#extensions#tabline#tab_min_count', 0)
+
+function! airline#extensions#tabline#autoshow#off()
+ if exists('s:original_tabline')
+ let &tabline = s:original_tabline
+ let &showtabline = s:original_showtabline
+ endif
+
+ augroup airline_tabline_autoshow
+ autocmd!
+ augroup END
+endfunction
+
+function! airline#extensions#tabline#autoshow#on()
+ let [ s:original_tabline, s:original_showtabline ] = [ &tabline, &showtabline ]
+
+ augroup airline_tabline_autoshow
+ autocmd!
+ if s:buf_min_count <= 0 && s:tab_min_count <= 1
+ if &lines > 3
+ set showtabline=2
+ endif
+ else
+ if s:show_buffers == 1
+ autocmd BufEnter * call <sid>show_tabline(s:buf_min_count, len(airline#extensions#tabline#buflist#list()))
+ autocmd BufUnload * call <sid>show_tabline(s:buf_min_count, len(airline#extensions#tabline#buflist#list()) - 1)
+ else
+ autocmd TabEnter * call <sid>show_tabline(s:tab_min_count, tabpagenr('$'))
+ endif
+ endif
+
+ " Invalidate cache. This has to come after the BufUnload for
+ " s:show_buffers, to invalidate the cache for BufEnter.
+ autocmd BufLeave,BufAdd,BufUnload * call airline#extensions#tabline#buflist#invalidate()
+ augroup END
+endfunction
+
+function! s:show_tabline(min_count, total_count)
+ if a:total_count >= a:min_count
+ if &showtabline != 2 && &lines > 3
+ set showtabline=2
+ endif
+ else
+ if &showtabline != 0
+ set showtabline=0
+ endif
+ endif
+endfunction
diff --git a/.vim/autoload/airline/extensions/tabline/buffers.vim b/.vim/autoload/airline/extensions/tabline/buffers.vim
new file mode 100644
index 0000000..88ebe5c
--- /dev/null
+++ b/.vim/autoload/airline/extensions/tabline/buffers.vim
@@ -0,0 +1,246 @@
+" MIT License. Copyright (c) 2013-2018 Bailey Ling et al.
+" vim: et ts=2 sts=2 sw=2
+
+scriptencoding utf-8
+
+let s:spc = g:airline_symbols.space
+
+let s:current_bufnr = -1
+let s:current_modified = 0
+let s:current_tabline = ''
+let s:current_visible_buffers = []
+
+let s:number_map = {
+ \ '0': '⁰',
+ \ '1': '¹',
+ \ '2': '²',
+ \ '3': '³',
+ \ '4': '⁴',
+ \ '5': '⁵',
+ \ '6': '⁶',
+ \ '7': '⁷',
+ \ '8': '⁸',
+ \ '9': '⁹'
+ \ }
+let s:number_map = &encoding == 'utf-8'
+ \ ? get(g:, 'airline#extensions#tabline#buffer_idx_format', s:number_map)
+ \ : {}
+
+function! airline#extensions#tabline#buffers#off()
+ augroup airline_tabline_buffers
+ autocmd!
+ augroup END
+endfunction
+
+function! airline#extensions#tabline#buffers#on()
+ augroup airline_tabline_buffers
+ autocmd!
+ autocmd BufDelete * call airline#extensions#tabline#buflist#clean()
+ autocmd User BufMRUChange call airline#extensions#tabline#buflist#clean()
+ augroup END
+endfunction
+
+function! airline#extensions#tabline#buffers#invalidate()
+ let s:current_bufnr = -1
+endfunction
+
+function! airline#extensions#tabline#buffers#get()
+ try
+ call <sid>map_keys()
+ catch
+ " no-op
+ endtry
+ let cur = bufnr('%')
+ if cur == s:current_bufnr && &columns == s:column_width
+ if !g:airline_detect_modified || getbufvar(cur, '&modified') == s:current_modified
+ return s:current_tabline
+ endif
+ endif
+
+ let b = airline#extensions#tabline#new_builder()
+ let tab_bufs = tabpagebuflist(tabpagenr())
+ let show_buf_label_first = 0
+
+ if get(g:, 'airline#extensions#tabline#buf_label_first', 0)
+ let show_buf_label_first = 1
+ endif
+ if show_buf_label_first
+ call airline#extensions#tabline#add_label(b, 'buffers')
+ endif
+
+ let b.tab_bufs = tabpagebuflist(tabpagenr())
+
+ let b.overflow_group = 'airline_tabhid'
+ let b.buffers = airline#extensions#tabline#buflist#list()
+ if get(g:, 'airline#extensions#tabline#current_first', 0)
+ if index(b.buffers, cur) > -1
+ call remove(b.buffers, index(b.buffers, cur))
+ endif
+ let b.buffers = [cur] + b.buffers
+ endif
+
+ function! b.get_group(i) dict
+ let bufnum = get(self.buffers, a:i, -1)
+ if bufnum == -1
+ return ''
+ endif
+ let group = airline#extensions#tabline#group_of_bufnr(self.tab_bufs, bufnum)
+ if bufnum == bufnr('%')
+ let s:current_modified = (group == 'airline_tabmod') ? 1 : 0
+ endif
+ return group
+ endfunction
+
+ if has("tablineat")
+ function! b.get_pretitle(i) dict
+ let bufnum = get(self.buffers, a:i, -1)
+ return '%'.bufnum.'@airline#extensions#tabline#buffers#clickbuf@'
+ endfunction
+
+ function! b.get_posttitle(i) dict
+ return '%X'
+ endfunction
+ endif
+
+ function! b.get_title(i) dict
+ let bufnum = get(self.buffers, a:i, -1)
+ let group = self.get_group(a:i)
+ let pgroup = self.get_group(a:i - 1)
+ " always add a space when powerline_fonts are used
+ " or for the very first item
+ if get(g:, 'airline_powerline_fonts', 0) || a:i == 0
+ let space = s:spc
+ else
+ let space= (pgroup == group ? s:spc : '')
+ endif
+
+ if get(g:, 'airline#extensions#tabline#buffer_idx_mode', 0)
+ if len(s:number_map) > 0
+ return space. get(s:number_map, a:i+1, '') . '%(%{airline#extensions#tabline#get_buffer_name('.bufnum.')}%)' . s:spc
+ else
+ return '['.(a:i+1).s:spc.'%(%{airline#extensions#tabline#get_buffer_name('.bufnum.')}%)'.']'
+ endif
+ else
+ return space.'%(%{airline#extensions#tabline#get_buffer_name('.bufnum.')}%)'.s:spc
+ endif
+ endfunction
+
+ let current_buffer = max([index(b.buffers, cur), 0])
+ let last_buffer = len(b.buffers) - 1
+ call b.insert_titles(current_buffer, 0, last_buffer)
+
+ call b.add_section('airline_tabfill', '')
+ call b.split()
+ call b.add_section('airline_tabfill', '')
+ if !show_buf_label_first
+ call airline#extensions#tabline#add_label(b, 'buffers')
+ endif
+
+ if tabpagenr('$') > 1
+ call b.add_section_spaced('airline_tabmod', printf('%s %d/%d', "tab", tabpagenr(), tabpagenr('$')))
+ endif
+
+ let s:current_bufnr = cur
+ let s:column_width = &columns
+ let s:current_tabline = b.build()
+ let s:current_visible_buffers = copy(b.buffers)
+ if b._right_title <= last_buffer
+ call remove(s:current_visible_buffers, b._right_title, last_buffer)
+ endif
+ if b._left_title > 0
+ call remove(s:current_visible_buffers, 0, b._left_title)
+ endif
+ return s:current_tabline
+endfunction
+
+function! s:select_tab(buf_index)
+ " no-op when called in 'keymap_ignored_filetypes'
+ if count(get(g:, 'airline#extensions#tabline#keymap_ignored_filetypes',
+ \ ['vimfiler', 'nerdtree']), &ft)
+ return
+ endif
+
+ let idx = a:buf_index
+ if s:current_visible_buffers[0] == -1
+ let idx = idx + 1
+ endif
+
+ let buf = get(s:current_visible_buffers, idx, 0)
+ if buf != 0
+ exec 'b!' . buf
+ endif
+endfunction
+
+function! s:jump_to_tab(offset)
+ let l = airline#extensions#tabline#buflist#list()
+ let i = index(l, bufnr('%'))
+ if i > -1
+ exec 'b!' . l[(i + a:offset) % len(l)]
+ endif
+endfunction
+
+function! s:map_keys()
+ if get(g:, 'airline#extensions#tabline#buffer_idx_mode', 1)
+ noremap <silent> <Plug>AirlineSelectTab1 :call <SID>select_tab(0)<CR>
+ noremap <silent> <Plug>AirlineSelectTab2 :call <SID>select_tab(1)<CR>
+ noremap <silent> <Plug>AirlineSelectTab3 :call <SID>select_tab(2)<CR>
+ noremap <silent> <Plug>AirlineSelectTab4 :call <SID>select_tab(3)<CR>
+ noremap <silent> <Plug>AirlineSelectTab5 :call <SID>select_tab(4)<CR>
+ noremap <silent> <Plug>AirlineSelectTab6 :call <SID>select_tab(5)<CR>
+ noremap <silent> <Plug>AirlineSelectTab7 :call <SID>select_tab(6)<CR>
+ noremap <silent> <Plug>AirlineSelectTab8 :call <SID>select_tab(7)<CR>
+ noremap <silent> <Plug>AirlineSelectTab9 :call <SID>select_tab(8)<CR>
+ noremap <silent> <Plug>AirlineSelectPrevTab :<C-u>call <SID>jump_to_tab(-v:count1)<CR>
+ noremap <silent> <Plug>AirlineSelectNextTab :<C-u>call <SID>jump_to_tab(v:count1)<CR>
+ endif
+endfunction
+
+function! airline#extensions#tabline#buffers#clickbuf(minwid, clicks, button, modifiers) abort
+ " Clickable buffers
+ " works only in recent NeoVim with has('tablineat')
+
+ " single mouse button click without modifiers pressed
+ if a:clicks == 1 && a:modifiers !~# '[^ ]'
+ if a:button is# 'l'
+ " left button - switch to buffer
+ silent execute 'buffer' a:minwid
+ elseif a:button is# 'm'
+ " middle button - delete buffer
+
+ if get(g:, 'airline#extensions#tabline#middle_click_preserves_windows', 0) == 0 || winnr('$') == 1
+ " just simply delete the clicked buffer. This will cause windows
+ " associated with the clicked buffer to be closed.
+ silent execute 'bdelete' a:minwid
+ else
+ " find windows displaying the clicked buffer and open an new
+ " buffer in them.
+ let current_window = bufwinnr("%")
+ let window_number = bufwinnr(a:minwid)
+ let last_window_visited = -1
+
+ " Set to 1 if the clicked buffer was open in any windows.
+ let buffer_in_window = 0
+
+ " Find the next window with the clicked buffer open. If bufwinnr()
+ " returns the same window number, this is because we clicked a new
+ " buffer, and then tried editing a new buffer. Vim won't create a
+ " new empty buffer for the same window, so we get the same window
+ " number from bufwinnr(). In this case we just give up and don't
+ " delete the buffer.
+ " This could be made cleaner if we could check if the clicked buffer
+ " is a new buffer, but I don't know if there is a way to do that.
+ while window_number != -1 && window_number != last_window_visited
+ let buffer_in_window = 1
+ silent execute window_number . 'wincmd w'
+ silent execute 'enew'
+ let last_window_visited = window_number
+ let window_number = bufwinnr(a:minwid)
+ endwhile
+ silent execute current_window . 'wincmd w'
+ if window_number != last_window_visited || buffer_in_window == 0
+ silent execute 'bdelete' a:minwid
+ endif
+ endif
+ endif
+ endif
+endfunction
diff --git a/.vim/autoload/airline/extensions/tabline/buflist.vim b/.vim/autoload/airline/extensions/tabline/buflist.vim
new file mode 100644
index 0000000..a944cb9
--- /dev/null
+++ b/.vim/autoload/airline/extensions/tabline/buflist.vim
@@ -0,0 +1,77 @@
+" MIT License. Copyright (c) 2013-2018 Bailey Ling et al.
+" vim: et ts=2 sts=2 sw=2
+
+scriptencoding utf-8
+
+function! airline#extensions#tabline#buflist#invalidate()
+ unlet! s:current_buffer_list
+endfunction
+
+function! airline#extensions#tabline#buflist#clean()
+ call airline#extensions#tabline#buflist#invalidate()
+ call airline#extensions#tabline#buffers#invalidate()
+endfunction
+
+" paths in excludes list
+function! s:ExcludePaths(nr, exclude_paths)
+ let bpath = fnamemodify(bufname(a:nr), ":p")
+ for f in a:exclude_paths
+ if bpath =~# f | return 1 | endif
+ endfor
+endfunction
+
+" other types to exclude
+function! s:ExcludeOther(nr, exclude_preview)
+ if (getbufvar(a:nr, 'current_syntax') == 'qf') ||
+ \ (a:exclude_preview && getbufvar(a:nr, '&bufhidden') == 'wipe'
+ \ && getbufvar(a:nr, '&buftype') == 'nofile')
+ return 1 | endif
+endfunction
+
+function! airline#extensions#tabline#buflist#list()
+ if exists('s:current_buffer_list')
+ return s:current_buffer_list
+ endif
+
+ let exclude_buffers = get(g:, 'airline#extensions#tabline#exclude_buffers', [])
+ let exclude_paths = get(g:, 'airline#extensions#tabline#excludes', [])
+ let exclude_preview = get(g:, 'airline#extensions#tabline#exclude_preview', 1)
+
+ let list = (exists('g:did_bufmru') && g:did_bufmru) ? BufMRUList() : range(1, bufnr("$"))
+
+ let buffers = []
+ " If this is too slow, we can switch to a different algorithm.
+ " Basically branch 535 already does it, but since it relies on
+ " BufAdd autocommand, I'd like to avoid this if possible.
+ for nr in list
+ if buflisted(nr)
+ " Do not add to the bufferlist, if either
+ " 1) bufnr is exclude_buffers list
+ " 2) buffername matches one of exclude_paths patterns
+ " 3) buffer is a quickfix buffer
+ " 4) when excluding preview windows:
+ " 'bufhidden' == wipe
+ " 'buftype' == nofile
+ " 5) ignore buffers matching airline#extensions#tabline#ignore_bufadd_pat
+
+ " check buffer numbers first
+ if index(exclude_buffers, nr) >= 0
+ continue
+ " check paths second
+ elseif !empty(exclude_paths) && s:ExcludePaths(nr, exclude_paths)
+ continue
+ " ignore buffers matching airline#extensions#tabline#ignore_bufadd_pat
+ elseif airline#util#ignore_buf(bufname(nr))
+ continue
+ " check other types last
+ elseif s:ExcludeOther(nr, exclude_preview)
+ continue
+ endif
+
+ call add(buffers, nr)
+ endif
+ endfor
+
+ let s:current_buffer_list = buffers
+ return buffers
+endfunction
diff --git a/.vim/autoload/airline/extensions/tabline/builder.vim b/.vim/autoload/airline/extensions/tabline/builder.vim
new file mode 100644
index 0000000..20964b1
--- /dev/null
+++ b/.vim/autoload/airline/extensions/tabline/builder.vim
@@ -0,0 +1,232 @@
+" MIT License. Copyright (c) 2013-2018 Bailey Ling et al.
+" vim: et ts=2 sts=2 sw=2
+
+scriptencoding utf-8
+
+let s:prototype = {}
+
+" Set the point in the tabline where the builder should insert the titles.
+"
+" Subsequent calls will overwrite the previous ones, so only the last call
+" determines to location to insert titles.
+"
+" NOTE: The titles are not inserted until |build| is called, so that the
+" remaining contents of the tabline can be taken into account.
+"
+" Callers should define at least |get_title| and |get_group| on the host
+" object before calling |build|.
+function! s:prototype.insert_titles(current, first, last) dict
+ let self._first_title = a:first " lowest index
+ let self._last_title = a:last " highest index
+ let self._left_title = a:current " next index to add on the left
+ let self._right_title = a:current + 1 " next index to add on the right
+ let self._left_position = self.get_position() " left end of titles
+ let self._right_position = self._left_position " right end of the titles
+endfunction
+
+" Insert a title for entry number |index|, of group |group| at position |pos|,
+" if there is space for it. Returns 1 if it is inserted, 0 otherwise
+"
+" |force| inserts the title even if there isn't enough space left for it.
+" |sep_size| adjusts the size change that the title is considered to take up,
+" to account for changes to the separators
+"
+" The title is defined by |get_title| on the hosting object, called with
+" |index| as its only argument.
+" |get_pretitle| and |get_posttitle| may be defined on the host object to
+" insert some formatting before or after the title. These should be 0-width.
+"
+" This method updates |_right_position| and |_remaining_space| on the host
+" object, if the title is inserted.
+function! s:prototype.try_insert_title(index, group, pos, sep_size, force) dict
+ let title = self.get_title(a:index)
+ let title_size = s:tabline_evaluated_length(title) + a:sep_size
+ if a:force || self._remaining_space >= title_size
+ let pos = a:pos
+ if has_key(self, "get_pretitle")
+ call self.insert_raw(self.get_pretitle(a:index), pos)
+ let self._right_position += 1
+ let pos += 1
+ endif
+
+ call self.insert_section(a:group, title, pos)
+ let self._right_position += 1
+ let pos += 1
+
+ if has_key(self, "get_posttitle")
+ call self.insert_raw(self.get_posttitle(a:index), pos)
+ let self._right_position += 1
+ let pos += 1
+ endif
+
+ let self._remaining_space -= title_size
+ return 1
+ endif
+ return 0
+endfunction
+
+function! s:get_separator_change(new_group, old_group, end_group, sep_size, alt_sep_size)
+ return s:get_separator_change_with_end(a:new_group, a:old_group, a:end_group, a:end_group, a:sep_size, a:alt_sep_size)
+endfunction
+
+" Compute the change in size of the tabline caused by separators
+"
+" This should be kept up-to-date with |s:get_transitioned_seperator| and
+" |s:get_separator| in autoload/airline/builder.vim
+function! s:get_separator_change_with_end(new_group, old_group, new_end_group, old_end_group, sep_size, alt_sep_size)
+ let sep_change = 0
+ if !empty(a:new_end_group) " Separator between title and the end
+ let sep_change += airline#builder#should_change_group(a:new_group, a:new_end_group) ? a:sep_size : a:alt_sep_size
+ endif
+ if !empty(a:old_group) " Separator between the title and the one adjacent
+ let sep_change += airline#builder#should_change_group(a:new_group, a:old_group) ? a:sep_size : a:alt_sep_size
+ if !empty(a:old_end_group) " Remove mis-predicted separator
+ let sep_change -= airline#builder#should_change_group(a:old_group, a:old_end_group) ? a:sep_size : a:alt_sep_size
+ endif
+ endif
+ return sep_change
+endfunction
+
+" This replaces the build function of the |airline#builder#new| object, to
+" insert titles as specified by the last call to |insert_titles| before
+" passing to the original build function.
+"
+" Callers should define at least |get_title| and |get_group| on the host
+" object if |insert_titles| has been called on it.
+function! s:prototype.build() dict
+ if has_key(self, '_left_position') && self._first_title <= self._last_title
+ let self._remaining_space = &columns - s:tabline_evaluated_length(self._build())
+
+ let center_active = get(g:, 'airline#extensions#tabline#center_active', 0)
+
+ let sep_size = s:tabline_evaluated_length(self._context.left_sep)
+ let alt_sep_size = s:tabline_evaluated_length(self._context.left_alt_sep)
+
+ let outer_left_group = airline#builder#get_prev_group(self._sections, self._left_position)
+ let outer_right_group = airline#builder#get_next_group(self._sections, self._right_position)
+
+ let overflow_marker = get(g:, 'airline#extensions#tabline#overflow_marker', g:airline_symbols.ellipsis)
+ let overflow_marker_size = s:tabline_evaluated_length(overflow_marker)
+ " Allow space for the markers before we begin filling in titles.
+ if self._left_title > self._first_title
+ let self._remaining_space -= overflow_marker_size +
+ \ s:get_separator_change(self.overflow_group, "", outer_left_group, sep_size, alt_sep_size)
+ endif
+ if self._left_title < self._last_title
+ let self._remaining_space -= overflow_marker_size +
+ \ s:get_separator_change(self.overflow_group, "", outer_right_group, sep_size, alt_sep_size)
+ endif
+
+ " Add the current title
+ let group = self.get_group(self._left_title)
+ if self._left_title == self._first_title
+ let sep_change = s:get_separator_change(group, "", outer_left_group, sep_size, alt_sep_size)
+ else
+ let sep_change = s:get_separator_change(group, "", self.overflow_group, sep_size, alt_sep_size)
+ endif
+ if self._left_title == self._last_title
+ let sep_change += s:get_separator_change(group, "", outer_right_group, sep_size, alt_sep_size)
+ else
+ let sep_change += s:get_separator_change(group, "", self.overflow_group, sep_size, alt_sep_size)
+ endif
+ let left_group = group
+ let right_group = group
+ let self._left_title -=
+ \ self.try_insert_title(self._left_title, group, self._left_position, sep_change, 1)
+
+ if get(g:, 'airline#extensions#tabline#current_first', 0)
+ " always have current title first
+ let self._left_position += 1
+ endif
+
+ if !center_active && self._right_title <= self._last_title
+ " Add the title to the right
+ let group = self.get_group(self._right_title)
+ if self._right_title == self._last_title
+ let sep_change = s:get_separator_change_with_end(group, right_group, outer_right_group, self.overflow_group, sep_size, alt_sep_size) - overflow_marker_size
+ else
+ let sep_change = s:get_separator_change(group, right_group, self.overflow_group, sep_size, alt_sep_size)
+ endif
+ let right_group = group
+ let self._right_title +=
+ \ self.try_insert_title(self._right_title, group, self._right_position, sep_change, 1)
+ endif
+
+ while self._remaining_space > 0
+ let done = 0
+ if self._left_title >= self._first_title
+ " Insert next title to the left
+ let group = self.get_group(self._left_title)
+ if self._left_title == self._first_title
+ let sep_change = s:get_separator_change_with_end(group, left_group, outer_left_group, self.overflow_group, sep_size, alt_sep_size) - overflow_marker_size
+ else
+ let sep_change = s:get_separator_change(group, left_group, self.overflow_group, sep_size, alt_sep_size)
+ endif
+ let left_group = group
+ let done = self.try_insert_title(self._left_title, group, self._left_position, sep_change, 0)
+ let self._left_title -= done
+ endif
+ " If center_active is set, this |if| operates as an independent |if|,
+ " otherwise as an |elif|.
+ if self._right_title <= self._last_title && (center_active || !done)
+ " Insert next title to the right
+ let group = self.get_group(self._right_title)
+ if self._right_title == self._last_title
+ let sep_change = s:get_separator_change_with_end(group, right_group, outer_right_group, self.overflow_group, sep_size, alt_sep_size) - overflow_marker_size
+ else
+ let sep_change = s:get_separator_change(group, right_group, self.overflow_group, sep_size, alt_sep_size)
+ endif
+ let right_group = group
+ let done = self.try_insert_title(self._right_title, group, self._right_position, sep_change, 0)
+ let self._right_title += done
+ endif
+ if !done
+ break
+ endif
+ endwhile
+
+ if self._left_title >= self._first_title
+ if get(g:, 'airline#extensions#tabline#current_first', 0)
+ let self._left_position -= 1
+ endif
+ call self.insert_section(self.overflow_group, overflow_marker, self._left_position)
+ let self._right_position += 1
+ endif
+
+ if self._right_title <= self._last_title
+ call self.insert_section(self.overflow_group, overflow_marker, self._right_position)
+ endif
+ endif
+
+ return self._build()
+endfunction
+
+let s:prototype.overflow_group = 'airline_tab'
+
+" Extract the text content a tabline will render. (Incomplete).
+"
+" See :help 'statusline' for the list of fields.
+function! s:evaluate_tabline(tabline)
+ let tabline = a:tabline
+ let tabline = substitute(tabline, '%{\([^}]\+\)}', '\=eval(submatch(1))', 'g')
+ let tabline = substitute(tabline, '%#[^#]\+#', '', 'g')
+ let tabline = substitute(tabline, '%(\([^)]\+\)%)', '\1', 'g')
+ let tabline = substitute(tabline, '%\d\+[TX]', '', 'g')
+ let tabline = substitute(tabline, '%=', '', 'g')
+ let tabline = substitute(tabline, '%\d*\*', '', 'g')
+ if has('tablineat')
+ let tabline = substitute(tabline, '%@[^@]\+@', '', 'g')
+ endif
+ return tabline
+endfunction
+
+function! s:tabline_evaluated_length(tabline)
+ return airline#util#strchars(s:evaluate_tabline(a:tabline))
+endfunction
+
+function! airline#extensions#tabline#builder#new(context)
+ let builder = airline#builder#new(a:context)
+ let builder._build = builder.build
+ call extend(builder, s:prototype, 'force')
+ return builder
+endfunction
diff --git a/.vim/autoload/airline/extensions/tabline/ctrlspace.vim b/.vim/autoload/airline/extensions/tabline/ctrlspace.vim
new file mode 100644
index 0000000..bb2d518
--- /dev/null
+++ b/.vim/autoload/airline/extensions/tabline/ctrlspace.vim
@@ -0,0 +1,157 @@
+" MIT License. Copyright (c) 2016-2018 Kevin Sapper et al.
+" vim: et ts=2 sts=2 sw=2
+
+scriptencoding utf-8
+
+let s:current_bufnr = -1
+let s:current_modified = 0
+let s:current_tabnr = -1
+let s:current_tabline = ''
+let s:highlight_groups = ['hid', 0, '', 'sel', 'mod_unsel', 0, 'mod_unsel', 'mod']
+
+function! airline#extensions#tabline#ctrlspace#off()
+ augroup airline_tabline_ctrlspace
+ autocmd!
+ augroup END
+endfunction
+
+function! airline#extensions#tabline#ctrlspace#on()
+ augroup airline_tabline_ctrlspace
+ autocmd!
+ autocmd BufDelete * call airline#extensions#tabline#ctrlspace#invalidate()
+ augroup END
+endfunction
+
+function! airline#extensions#tabline#ctrlspace#invalidate()
+ let s:current_bufnr = -1
+ let s:current_tabnr = -1
+endfunction
+
+function! airline#extensions#tabline#ctrlspace#add_buffer_section(builder, cur_tab, cur_buf, pull_right)
+ let pos_extension = (a:pull_right ? '_right' : '')
+ let buffer_list = ctrlspace#api#BufferList(a:cur_tab)
+
+ " add by tenfy(tenfyzhong@qq.com)
+ " if the current buffer no in the buffer list
+ " return false and no redraw tabline.
+ " Fixes #1515. if there a BufEnter autocmd execute redraw. The tabline may no update.
+ let bufnr_list = map(copy(buffer_list), 'v:val["index"]')
+ if index(bufnr_list, a:cur_buf) == -1 && a:cur_tab == s:current_tabnr
+ return 0
+ endif
+
+ let s:current_modified = getbufvar(a:cur_buf, '&modified')
+
+ for buffer in buffer_list
+ let group = 'airline_tab'
+ \ .s:highlight_groups[(4 * buffer.modified) + (2 * buffer.visible) + (a:cur_buf == buffer.index)]
+ \ .pos_extension
+
+ let buf_name = '%(%{airline#extensions#tabline#get_buffer_name('.buffer.index.')}%)'
+
+ if has("tablineat")
+ let buf_name = '%'.buffer.index.'@airline#extensions#tabline#buffers#clickbuf@'.buf_name.'%X'
+ endif
+
+ call a:builder.add_section_spaced(group, buf_name)
+ endfor
+
+ " add by tenfy(tenfyzhong@qq.com)
+ " if the selected buffer was updated
+ " return true
+ return 1
+endfunction
+
+function! airline#extensions#tabline#ctrlspace#add_tab_section(builder, pull_right)
+ let pos_extension = (a:pull_right ? '_right' : '')
+ let tab_list = ctrlspace#api#TabList()
+
+ for tab in tab_list
+ let group = 'airline_tab'
+ \ .s:highlight_groups[(4 * tab.modified) + (3 * tab.current)]
+ \ .pos_extension
+
+ if get(g:, 'airline#extensions#tabline#ctrlspace_show_tab_nr', 0) == 0
+ call a:builder.add_section_spaced(group, '%'.tab.index.'T'.tab.title.ctrlspace#api#TabBuffersNumber(tab.index).'%T')
+ else
+ call a:builder.add_section_spaced(group, '%'.(tab.index).'T'.(tab.index).(g:airline_symbols.space).(tab.title).ctrlspace#api#TabBuffersNumber(tab.index).'%T')
+ endif
+ endfor
+endfunction
+
+function! airline#extensions#tabline#ctrlspace#get()
+ let cur_buf = bufnr('%')
+ let buffer_label = get(g:, 'airline#extensions#tabline#buffers_label', 'buffers')
+ let tab_label = get(g:, 'airline#extensions#tabline#tabs_label', 'tabs')
+ let switch_buffers_and_tabs = get(g:, 'airline#extensions#tabline#switch_buffers_and_tabs', 0)
+
+ try
+ call airline#extensions#tabline#tabs#map_keys()
+ endtry
+
+ let cur_tab = tabpagenr()
+
+ if cur_buf == s:current_bufnr && cur_tab == s:current_tabnr
+ if !g:airline_detect_modified || getbufvar(cur_buf, '&modified') == s:current_modified
+ return s:current_tabline
+ endif
+ endif
+
+ let builder = airline#extensions#tabline#new_builder()
+
+ let show_buffers = get(g:, 'airline#extensions#tabline#show_buffers', 1)
+ let show_tabs = get(g:, 'airline#extensions#tabline#show_tabs', 1)
+
+ let AppendBuffers = function('airline#extensions#tabline#ctrlspace#add_buffer_section', [builder, cur_tab, cur_buf])
+ let AppendTabs = function('airline#extensions#tabline#ctrlspace#add_tab_section', [builder])
+ let AppendLabel = function(builder.add_section_spaced, ['airline_tabtype'], builder)
+
+ " <= 1: |{Tabs} <tab|
+ " == 2: |{Buffers} <buffers|
+ " == 3: |buffers> {Buffers} {Tabs} <tabs|
+ let showing_mode = (2 * show_buffers) + (show_tabs)
+ let ignore_update = 0
+
+ " Add left tabline content
+ if showing_mode <= 1 " Tabs only mode
+ call AppendTabs(0)
+ elseif showing_mode == 2 " Buffers only mode
+ let ignore_update = !AppendBuffers(0)
+ else
+ if !switch_buffers_and_tabs
+ call AppendLabel(buffer_label)
+ let ignore_update = !AppendBuffers(0)
+ else
+ call AppendLabel(tab_label)
+ call AppendTabs(0)
+ endif
+ endif
+
+ if ignore_update | return s:current_tabline | endif
+
+ call builder.add_section('airline_tabfill', '')
+ call builder.split()
+ call builder.add_section('airline_tabfill', '')
+
+ " Add right tabline content
+ if showing_mode <= 1 " Tabs only mode
+ call AppendLabel(tab_label)
+ elseif showing_mode == 2 " Buffers only mode
+ call AppendLabel(buffer_label)
+ else
+ if !switch_buffers_and_tabs
+ call AppendTabs(1)
+ call AppendLabel(tab_label)
+ else
+ let ignore_update = AppendBuffers(1)
+ call AppendLabel(buffer_label)
+ endif
+ endif
+
+ if ignore_update | return s:current_tabline | endif
+
+ let s:current_bufnr = cur_buf
+ let s:current_tabnr = cur_tab
+ let s:current_tabline = builder.build()
+ return s:current_tabline
+endfunction
diff --git a/.vim/autoload/airline/extensions/tabline/formatters/default.vim b/.vim/autoload/airline/extensions/tabline/formatters/default.vim
new file mode 100644
index 0000000..c98d7ef
--- /dev/null
+++ b/.vim/autoload/airline/extensions/tabline/formatters/default.vim
@@ -0,0 +1,43 @@
+" MIT License. Copyright (c) 2013-2018 Bailey Ling et al.
+" vim: et ts=2 sts=2 sw=2
+
+scriptencoding utf-8
+
+let s:fnamecollapse = get(g:, 'airline#extensions#tabline#fnamecollapse', 1)
+let s:fnametruncate = get(g:, 'airline#extensions#tabline#fnametruncate', 0)
+let s:buf_nr_format = get(g:, 'airline#extensions#tabline#buffer_nr_format', '%s: ')
+let s:buf_nr_show = get(g:, 'airline#extensions#tabline#buffer_nr_show', 0)
+let s:buf_modified_symbol = g:airline_symbols.modified
+
+function! airline#extensions#tabline#formatters#default#format(bufnr, buffers)
+ let fmod = get(g:, 'airline#extensions#tabline#fnamemod', ':~:.')
+ let _ = ''
+
+ let name = bufname(a:bufnr)
+ if empty(name)
+ let _ .= '[No Name]'
+ else
+ if s:fnamecollapse
+ " Does not handle non-ascii characters like Cyrillic: 'D/Учёба/t.c'
+ "let _ .= substitute(fnamemodify(name, fmod), '\v\w\zs.{-}\ze(\\|/)', '', 'g')
+ let _ .= pathshorten(fnamemodify(name, fmod))
+ else
+ let _ .= fnamemodify(name, fmod)
+ endif
+ if a:bufnr != bufnr('%') && s:fnametruncate && strlen(_) > s:fnametruncate
+ let _ = strpart(_, 0, s:fnametruncate)
+ endif
+ endif
+
+ return airline#extensions#tabline#formatters#default#wrap_name(a:bufnr, _)
+endfunction
+
+function! airline#extensions#tabline#formatters#default#wrap_name(bufnr, buffer_name)
+ let _ = s:buf_nr_show ? printf(s:buf_nr_format, a:bufnr) : ''
+ let _ .= substitute(a:buffer_name, '\\', '/', 'g')
+
+ if getbufvar(a:bufnr, '&modified') == 1
+ let _ .= s:buf_modified_symbol
+ endif
+ return _
+endfunction
diff --git a/.vim/autoload/airline/extensions/tabline/formatters/jsformatter.vim b/.vim/autoload/airline/extensions/tabline/formatters/jsformatter.vim
new file mode 100644
index 0000000..b16d06f
--- /dev/null
+++ b/.vim/autoload/airline/extensions/tabline/formatters/jsformatter.vim
@@ -0,0 +1,15 @@
+" MIT License. Copyright (c) 2013-2018 Bailey Ling et al.
+" vim: et ts=2 sts=2 sw=2
+
+scriptencoding utf-8
+
+function! airline#extensions#tabline#formatters#jsformatter#format(bufnr, buffers)
+ let buf = bufname(a:bufnr)
+ let filename = fnamemodify(buf, ':t')
+
+ if filename == 'index.js' || filename == 'index.jsx' || filename == 'index.ts' || filename == 'index.tsx'
+ return fnamemodify(buf, ':p:h:t') . '/i'
+ else
+ return airline#extensions#tabline#formatters#unique_tail_improved#format(a:bufnr, a:buffers)
+ endif
+endfunction
diff --git a/.vim/autoload/airline/extensions/tabline/formatters/tabnr.vim b/.vim/autoload/airline/extensions/tabline/formatters/tabnr.vim
new file mode 100644
index 0000000..fa71014
--- /dev/null
+++ b/.vim/autoload/airline/extensions/tabline/formatters/tabnr.vim
@@ -0,0 +1,14 @@
+" MIT License. Copyright (c) 2017-2018 C.Brabandt et al.
+" vim: et ts=2 sts=2 sw=2
+
+scriptencoding utf-8
+
+function! airline#extensions#tabline#formatters#tabnr#format(tab_nr_type, nr)
+ if a:tab_nr_type == 0 " nr of splits
+ return (g:airline_symbols.space).'%{len(tabpagebuflist('.a:nr.'))}'
+ elseif a:tab_nr_type == 1 " tab number
+ return (g:airline_symbols.space).a:nr
+ else "== 2 splits and tab number
+ return (g:airline_symbols.space).a:nr.'.%{len(tabpagebuflist('.a:nr.'))}'
+ endif
+endfunction
diff --git a/.vim/autoload/airline/extensions/tabline/formatters/unique_tail.vim b/.vim/autoload/airline/extensions/tabline/formatters/unique_tail.vim
new file mode 100644
index 0000000..3e61b60
--- /dev/null
+++ b/.vim/autoload/airline/extensions/tabline/formatters/unique_tail.vim
@@ -0,0 +1,41 @@
+" MIT License. Copyright (c) 2013-2018 Bailey Ling et al.
+" vim: et ts=2 sts=2 sw=2
+
+scriptencoding utf-8
+
+function! airline#extensions#tabline#formatters#unique_tail#format(bufnr, buffers)
+ let duplicates = {}
+ let tails = {}
+ let map = {}
+ for nr in a:buffers
+ let name = bufname(nr)
+ if empty(name)
+ let map[nr] = '[No Name]'
+ else
+ let tail = fnamemodify(name, ':s?/\+$??:t')
+ if has_key(tails, tail)
+ let duplicates[nr] = nr
+ endif
+ let tails[tail] = 1
+ let map[nr] = airline#extensions#tabline#formatters#default#wrap_name(nr, tail)
+ endif
+ endfor
+
+ let fmod = get(g:, 'airline#extensions#tabline#fnamemod', ':p:.')
+ for nr in values(duplicates)
+ let name = bufname(nr)
+ let fnamecollapse = get(g:, 'airline#extensions#tabline#fnamecollapse', 1)
+ if fnamecollapse
+ let map[nr] = airline#extensions#tabline#formatters#default#wrap_name(nr, substitute(fnamemodify(name, fmod), '\v\w\zs.{-}\ze(\\|/)', '', 'g'))
+ else
+ let map[nr] = airline#extensions#tabline#formatters#default#wrap_name(nr, fnamemodify(name, fmod))
+ endif
+ endfor
+
+ if has_key(map, a:bufnr)
+ return map[a:bufnr]
+ endif
+
+ " if we get here, the buffer list isn't in sync with the selected buffer yet, fall back to the default
+ return airline#extensions#tabline#formatters#default#format(a:bufnr, a:buffers)
+endfunction
diff --git a/.vim/autoload/airline/extensions/tabline/formatters/unique_tail_improved.vim b/.vim/autoload/airline/extensions/tabline/formatters/unique_tail_improved.vim
new file mode 100644
index 0000000..c48174b
--- /dev/null
+++ b/.vim/autoload/airline/extensions/tabline/formatters/unique_tail_improved.vim
@@ -0,0 +1,91 @@
+" MIT License. Copyright (c) 2013-2018 Bailey Ling et al.
+" vim: et ts=2 sts=2 sw=2
+
+scriptencoding utf-8
+
+let s:skip_symbol = '…'
+
+function! airline#extensions#tabline#formatters#unique_tail_improved#format(bufnr, buffers)
+ if len(a:buffers) <= 1 " don't need to compare bufnames if has less than one buffer opened
+ return airline#extensions#tabline#formatters#default#format(a:bufnr, a:buffers)
+ endif
+
+ let curbuf_tail = fnamemodify(bufname(a:bufnr), ':t')
+ let do_deduplicate = 0
+ let path_tokens = {}
+
+ for nr in a:buffers
+ let name = bufname(nr)
+ if !empty(name) && nr != a:bufnr && fnamemodify(name, ':t') == curbuf_tail " only perform actions if curbuf_tail isn't unique
+ let do_deduplicate = 1
+ let tokens = reverse(split(substitute(fnamemodify(name, ':p:h'), '\\', '/', 'g'), '/'))
+ let token_index = 0
+ for token in tokens
+ if token == '' | continue | endif
+ if token == '.' | break | endif
+ if !has_key(path_tokens, token_index)
+ let path_tokens[token_index] = {}
+ endif
+ let path_tokens[token_index][token] = 1
+ let token_index += 1
+ endfor
+ endif
+ endfor
+
+ if do_deduplicate == 1
+ let path = []
+ let token_index = 0
+ for token in reverse(split(substitute(fnamemodify(bufname(a:bufnr), ':p:h'), '\\', '/', 'g'), '/'))
+ if token == '.' | break | endif
+ let duplicated = 0
+ let uniq = 1
+ let single = 1
+ if has_key(path_tokens, token_index)
+ let duplicated = 1
+ if len(keys(path_tokens[token_index])) > 1 | let single = 0 | endif
+ if has_key(path_tokens[token_index], token) | let uniq = 0 | endif
+ endif
+ call insert(path, {'token': token, 'duplicated': duplicated, 'uniq': uniq, 'single': single})
+ let token_index += 1
+ endfor
+
+ let buf_name = [curbuf_tail]
+ let has_uniq = 0
+ let has_skipped = 0
+ for token1 in reverse(path)
+ if !token1['duplicated'] && len(buf_name) > 1
+ call insert(buf_name, s:skip_symbol)
+ let has_skipped = 0
+ break
+ endif
+
+ if has_uniq == 1
+ call insert(buf_name, s:skip_symbol)
+ let has_skipped = 0
+ break
+ endif
+
+ if token1['uniq'] == 0 && token1['single'] == 1
+ let has_skipped = 1
+ else
+ if has_skipped == 1
+ call insert(buf_name, s:skip_symbol)
+ let has_skipped = 0
+ endif
+ call insert(buf_name, token1['token'])
+ endif
+
+ if token1['uniq'] == 1
+ let has_uniq = 1
+ endif
+ endfor
+
+ if has_skipped == 1
+ call insert(buf_name, s:skip_symbol)
+ endif
+
+ return airline#extensions#tabline#formatters#default#wrap_name(a:bufnr, join(buf_name, '/'))
+ else
+ return airline#extensions#tabline#formatters#default#format(a:bufnr, a:buffers)
+ endif
+endfunction
diff --git a/.vim/autoload/airline/extensions/tabline/tabs.vim b/.vim/autoload/airline/extensions/tabline/tabs.vim
new file mode 100644
index 0000000..a74ab5b
--- /dev/null
+++ b/.vim/autoload/airline/extensions/tabline/tabs.vim
@@ -0,0 +1,124 @@
+" MIT License. Copyright (c) 2013-2018 Bailey Ling et al.
+" vim: et ts=2 sts=2 sw=2
+
+scriptencoding utf-8
+
+let s:spc = g:airline_symbols.space
+let s:current_bufnr = -1
+let s:current_tabnr = -1
+let s:current_modified = 0
+
+function! airline#extensions#tabline#tabs#off()
+ augroup airline_tabline_tabs
+ autocmd!
+ augroup END
+endfunction
+
+function! airline#extensions#tabline#tabs#on()
+ augroup airline_tabline_tabs
+ autocmd!
+ autocmd BufDelete * call airline#extensions#tabline#tabs#invalidate()
+ augroup END
+endfunction
+
+function! airline#extensions#tabline#tabs#invalidate()
+ let s:current_bufnr = -1
+endfunction
+
+function! airline#extensions#tabline#tabs#get()
+ let curbuf = bufnr('%')
+ let curtab = tabpagenr()
+ try
+ call airline#extensions#tabline#tabs#map_keys()
+ catch
+ " no-op
+ endtry
+ if curbuf == s:current_bufnr && curtab == s:current_tabnr && &columns == s:column_width
+ if !g:airline_detect_modified || getbufvar(curbuf, '&modified') == s:current_modified
+ return s:current_tabline
+ endif
+ endif
+
+ let b = airline#extensions#tabline#new_builder()
+
+ call airline#extensions#tabline#add_label(b, 'tabs')
+
+ function! b.get_group(i) dict
+ let curtab = tabpagenr()
+ let group = 'airline_tab'
+ if a:i == curtab
+ let group = 'airline_tabsel'
+ if g:airline_detect_modified
+ for bi in tabpagebuflist(curtab)
+ if getbufvar(bi, '&modified')
+ let group = 'airline_tabmod'
+ endif
+ endfor
+ endif
+ let s:current_modified = (group == 'airline_tabmod') ? 1 : 0
+ endif
+ return group
+ endfunction
+
+ function! b.get_title(i) dict
+ let val = '%('
+
+ if get(g:, 'airline#extensions#tabline#show_tab_nr', 1)
+ let tab_nr_type = get(g:, 'airline#extensions#tabline#tab_nr_type', 0)
+ let val .= airline#extensions#tabline#tabs#tabnr_formatter(tab_nr_type, a:i)
+ endif
+
+ return val.'%'.a:i.'T %{airline#extensions#tabline#title('.a:i.')} %)'
+ endfunction
+
+ call b.insert_titles(curtab, 1, tabpagenr('$'))
+
+ call b.add_section('airline_tabfill', '')
+ call b.split()
+ call b.add_section('airline_tabfill', '')
+
+ if get(g:, 'airline#extensions#tabline#show_close_button', 1)
+ call b.add_section('airline_tab_right', ' %999X'.
+ \ get(g:, 'airline#extensions#tabline#close_symbol', 'X').' ')
+ endif
+
+ if get(g:, 'airline#extensions#tabline#show_splits', 1) == 1
+ let buffers = tabpagebuflist(curtab)
+ for nr in buffers
+ let group = airline#extensions#tabline#group_of_bufnr(buffers, nr) . "_right"
+ call b.add_section_spaced(group, '%(%{airline#extensions#tabline#get_buffer_name('.nr.')}%)')
+ endfor
+ if get(g:, 'airline#extensions#tabline#show_buffers', 1)
+ call airline#extensions#tabline#add_label(b, 'buffers')
+ endif
+ endif
+
+ let s:current_bufnr = curbuf
+ let s:current_tabnr = curtab
+ let s:column_width = &columns
+ let s:current_tabline = b.build()
+ return s:current_tabline
+endfunction
+
+function! airline#extensions#tabline#tabs#map_keys()
+ if maparg('<Plug>AirlineSelectTab1', 'n') is# ':1tabn<CR>'
+ return
+ endif
+ noremap <silent> <Plug>AirlineSelectTab1 :1tabn<CR>
+ noremap <silent> <Plug>AirlineSelectTab2 :2tabn<CR>
+ noremap <silent> <Plug>AirlineSelectTab3 :3tabn<CR>
+ noremap <silent> <Plug>AirlineSelectTab4 :4tabn<CR>
+ noremap <silent> <Plug>AirlineSelectTab5 :5tabn<CR>
+ noremap <silent> <Plug>AirlineSelectTab6 :6tabn<CR>
+ noremap <silent> <Plug>AirlineSelectTab7 :7tabn<CR>
+ noremap <silent> <Plug>AirlineSelectTab8 :8tabn<CR>
+ noremap <silent> <Plug>AirlineSelectTab9 :9tabn<CR>
+ noremap <silent> <Plug>AirlineSelectPrevTab gT
+ " tabn {count} goes to count tab does not go {count} tab pages forward!
+ noremap <silent> <Plug>AirlineSelectNextTab :<C-U>exe repeat(':tabn\|', v:count1)<cr>
+endfunction
+
+function! airline#extensions#tabline#tabs#tabnr_formatter(nr, i)
+ let formatter = get(g:, 'airline#extensions#tabline#tabnr_formatter', 'tabnr')
+ return airline#extensions#tabline#formatters#{formatter}#format(a:nr, a:i)
+endfunction
diff --git a/.vim/autoload/airline/extensions/tabline/xtabline.vim b/.vim/autoload/airline/extensions/tabline/xtabline.vim
new file mode 100644
index 0000000..4d1cdec
--- /dev/null
+++ b/.vim/autoload/airline/extensions/tabline/xtabline.vim
@@ -0,0 +1,397 @@
+""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+" xTabline - Reduced version for vim-airline
+" Copyright (C) 2018 Gianmaria Bajo <mg1979.git@gmail.com>
+" License: MIT License
+""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+
+
+function! airline#extensions#tabline#xtabline#init()
+
+ let s:state = 0
+
+ " initialize mappings
+ call airline#extensions#tabline#xtabline#maps()
+
+ """"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+ " Variables
+ """"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+
+ let g:loaded_xtabline = 1
+ let s:most_recent = -1
+ let s:xtabline_filtering = 1
+
+ let t:xtl_excluded = get(g:, 'airline#extensions#tabline#exclude_buffers', [])
+ let t:xtl_accepted = []
+
+ let g:xtabline_include_previews = get(g:, 'xtabline_include_previews', 1)
+
+ let g:xtabline_alt_action = get(g:, 'xtabline_alt_action', "buffer #")
+
+
+ """"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+ " Autocommands
+ """"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+
+ augroup plugin-xtabline
+ autocmd!
+
+ autocmd TabNew * call s:Do('new')
+ autocmd TabEnter * call s:Do('enter')
+ autocmd TabLeave * call s:Do('leave')
+ autocmd TabClosed * call s:Do('close')
+
+ autocmd BufEnter * let g:xtabline_changing_buffer = 0
+ autocmd BufAdd,BufDelete,BufWrite * call airline#extensions#tabline#xtabline#filter_buffers()
+ augroup END
+
+
+ """"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+ " Commands
+ """"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+
+ com! XTabReopen call airline#extensions#tabline#xtabline#reopen_last_tab()
+
+endfunction
+
+
+""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+" Mappings
+""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+
+function! airline#extensions#tabline#xtabline#maps()
+
+ if !exists('g:xtabline_disable_keybindings')
+
+ fun! s:mapkeys(keys, plug)
+ if empty(mapcheck(a:keys)) && !hasmapto(a:plug)
+ silent! execute 'nmap <unique> '.a:keys.' '.a:plug
+ endif
+ endfun
+
+ call s:mapkeys('<F5>','<Plug>XTablineToggleTabs')
+ call s:mapkeys('<leader><F5>','<Plug>XTablineToggleFiltering')
+ call s:mapkeys('<BS>','<Plug>XTablineSelectBuffer')
+ call s:mapkeys(']l','<Plug>XTablineNextBuffer')
+ call s:mapkeys('[l','<Plug>XTablinePrevBuffer')
+ call s:mapkeys('<leader>tr','<Plug>XTablineReopen')
+ endif
+
+ nnoremap <unique> <script> <Plug>XTablineToggleTabs <SID>ToggleTabs
+ nnoremap <silent> <SID>ToggleTabs :call airline#extensions#tabline#xtabline#toggle_tabs()<cr>
+
+ nnoremap <unique> <script> <Plug>XTablineToggleFiltering <SID>ToggleFiltering
+ nnoremap <silent> <SID>ToggleFiltering :call airline#extensions#tabline#xtabline#toggle_buffers()<cr>
+
+ nnoremap <unique> <script> <Plug>XTablineSelectBuffer <SID>SelectBuffer
+ nnoremap <silent> <expr> <SID>SelectBuffer g:xtabline_changing_buffer ? "\<C-c>" : ":<C-u>call airline#extensions#tabline#xtabline#select_buffer(v:count)\<cr>"
+
+ nnoremap <unique> <script> <Plug>XTablineNextBuffer <SID>NextBuffer
+ nnoremap <silent> <expr> <SID>NextBuffer airline#extensions#tabline#xtabline#next_buffer(v:count1)
+
+ nnoremap <unique> <script> <Plug>XTablinePrevBuffer <SID>PrevBuffer
+ nnoremap <silent> <expr> <SID>PrevBuffer airline#extensions#tabline#xtabline#prev_buffer(v:count1)
+
+ nnoremap <unique> <script> <Plug>XTablineReopen <SID>ReopenLastTab
+ nnoremap <silent> <SID>ReopenLastTab :XTabReopen<cr>
+
+ if get(g:, 'xtabline_cd_commands', 0)
+ map <unique> <leader>cdc <Plug>XTablineCdCurrent
+ map <unique> <leader>cdd <Plug>XTablineCdDown1
+ map <unique> <leader>cd2 <Plug>XTablineCdDown2
+ map <unique> <leader>cd3 <Plug>XTablineCdDown3
+ map <unique> <leader>cdh <Plug>XTablineCdHome
+ nnoremap <unique> <script> <Plug>XTablineCdCurrent :cd %:p:h<cr>:call airline#util#doautocmd('BufAdd')<cr>:pwd<cr>
+ nnoremap <unique> <script> <Plug>XTablineCdDown1 :cd %:p:h:h<cr>:call airline#util#doautocmd('BufAdd')<cr>:pwd<cr>
+ nnoremap <unique> <script> <Plug>XTablineCdDown2 :cd %:p:h:h:h<cr>:call airline#util#doautocmd('BufAdd')<cr>:pwd<cr>
+ nnoremap <unique> <script> <Plug>XTablineCdDown3 :cd %:p:h:h:h:h<cr>:call airline#util#doautocmd('BufAdd')<cr>:pwd<cr>
+ nnoremap <unique> <script> <Plug>XTablineCdHome :cd ~<cr>:call airline#util#doautocmd('BufAdd')<cr>:pwd<cr>
+ endif
+endfunction
+
+
+""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+" Commands functions
+""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+
+function! airline#extensions#tabline#xtabline#toggle_tabs()
+ """Toggle between tabs/buffers tabline."""
+
+ if tabpagenr("$") == 1 | call airline#util#warning("There is only one tab.") | return | endif
+
+ if g:airline#extensions#tabline#show_tabs
+ let g:airline#extensions#tabline#show_tabs = 0
+ call airline#util#warning("Showing buffers")
+ else
+ let g:airline#extensions#tabline#show_tabs = 1
+ call airline#util#warning("Showing tabs")
+ endif
+
+ doautocmd BufAdd
+endfunction
+
+""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+
+function! airline#extensions#tabline#xtabline#toggle_buffers()
+ """Toggle buffer filtering in the tabline."""
+
+ if s:xtabline_filtering
+ let s:xtabline_filtering = 0
+ let g:airline#extensions#tabline#exclude_buffers = []
+ call airline#util#warning("Buffer filtering turned off")
+ doautocmd BufAdd
+ else
+ let s:xtabline_filtering = 1
+ call airline#extensions#tabline#xtabline#filter_buffers()
+ call airline#util#warning("Buffer filtering turned on")
+ doautocmd BufAdd
+ endif
+endfunction
+
+""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+
+function! airline#extensions#tabline#xtabline#reopen_last_tab()
+ """Reopen the last closed tab."""
+
+ if !exists('s:most_recently_closed_tab')
+ call airline#util#warning("No recent tabs.")
+ return
+ endif
+
+ let tab = s:most_recently_closed_tab
+ tabnew
+ let empty = bufnr("%")
+ let t:cwd = tab['cwd']
+ cd `=t:cwd`
+ let t:name = tab['name']
+ for buf in tab['buffers'] | execute "badd ".buf | endfor
+ execute "edit ".tab['buffers'][0]
+ execute "bdelete ".empty
+endfunction
+
+""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+
+function! airline#extensions#tabline#xtabline#filter_buffers()
+ """Filter buffers so that only the ones within the tab's cwd will show up.
+
+ " 'accepted' is a list of buffer numbers, for quick access.
+ " 'excluded' is a list of buffer numbers, it will be used by Airline to hide buffers.
+
+ if !s:xtabline_filtering | return | endif
+
+ let g:airline#extensions#tabline#exclude_buffers = []
+ let t:xtl_excluded = g:airline#extensions#tabline#exclude_buffers
+ let t:xtl_accepted = [] | let accepted = t:xtl_accepted
+ let previews = g:xtabline_include_previews
+
+ " bufnr(0) is the alternate buffer
+ for buf in range(1, bufnr("$"))
+
+ if !buflisted(buf) | continue | endif
+
+ " get the path
+ let path = expand("#".buf.":p")
+
+ " confront with the cwd
+ if !previews && path =~ "^".getcwd()
+ call add(accepted, buf)
+ elseif previews && path =~ getcwd()
+ call add(accepted, buf)
+ else
+ call add(t:xtl_excluded, buf)
+ endif
+ endfor
+
+ call s:RefreshTabline()
+endfunction
+
+""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+
+function! airline#extensions#tabline#xtabline#next_buffer(nr)
+ """Switch to next visible buffer."""
+
+ if ( s:NotEnoughBuffers() || !s:xtabline_filtering ) | return | endif
+ let accepted = t:xtl_accepted
+
+ let ix = index(accepted, bufnr("%"))
+ let target = ix + a:nr
+ let total = len(accepted)
+
+ if ix == -1
+ " not in index, go back to most recent or back to first
+ if s:most_recent == -1 || s:most_recent >= total
+ let s:most_recent = 0
+ endif
+
+ elseif target >= total
+ " over last buffer
+ while target >= total | let target -= total | endwhile
+ let s:most_recent = target
+
+ else
+ let s:most_recent = target
+ endif
+
+ return ":buffer " . accepted[s:most_recent] . "\<cr>"
+endfunction
+
+""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+
+function! airline#extensions#tabline#xtabline#prev_buffer(nr)
+ """Switch to previous visible buffer."""
+
+ if ( s:NotEnoughBuffers() || !s:xtabline_filtering ) | return | endif
+ let accepted = t:xtl_accepted
+
+ let ix = index(accepted, bufnr("%"))
+ let target = ix - a:nr
+ let total = len(accepted)
+
+ if ix == -1
+ " not in index, go back to most recent or back to first
+ if s:most_recent == -1 || s:most_recent >= total
+ let s:most_recent = 0
+ endif
+
+ elseif target < 0
+ " before first buffer
+ while target < 0 | let target += total | endwhile
+ let s:most_recent = target
+
+ else
+ let s:most_recent = target
+ endif
+
+ return ":buffer " . accepted[s:most_recent] . "\<cr>"
+endfunction
+
+""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+
+function! airline#extensions#tabline#xtabline#select_buffer(nr)
+ """Switch to visible buffer in the tabline with [count]."""
+
+ if ( a:nr == 0 || !s:xtabline_filtering ) | execute g:xtabline_alt_action | return | endif
+ let accepted = t:xtl_accepted
+
+ if (a:nr > len(accepted)) || s:NotEnoughBuffers() || accepted[a:nr - 1] == bufnr("%")
+ return
+ else
+ let g:xtabline_changing_buffer = 1
+ execute "buffer ".accepted[a:nr - 1]
+ endif
+endfunction
+
+""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+
+function! s:TabBuffers()
+ """Return a list of buffers names for this tab."""
+
+ return map(copy(t:xtl_accepted), 'bufname(v:val)')
+endfunction
+
+
+""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+" Helper functions
+""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+
+function! s:NotEnoughBuffers()
+ """Just return if there aren't enough buffers."""
+
+ if len(t:xtl_accepted) < 2
+ if index(t:xtl_accepted, bufnr("%")) == -1
+ return
+ elseif !len(t:xtl_accepted)
+ call airline#util#warning("No available buffers for this tab.")
+ else
+ call airline#util#warning("No other available buffers for this tab.")
+ endif
+ return 1
+ endif
+endfunction
+
+function! s:RefreshTabline()
+ call airline#extensions#tabline#buflist#invalidate()
+endfunction
+
+
+""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+" TabPageCd
+""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+
+" tabpagecd - Turn :cd into :tabpagecd, to use one tab page per project
+" expanded version by mg979
+" Copyright (C) 2012-2013 Kana Natsuno <http://whileimautomaton.net/>
+" Copyright (C) 2018 Gianmaria Bajo <mg1979.git@gmail.com>
+" License: MIT License
+
+""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+
+function! s:InitCwds()
+ if !exists('g:xtab_cwds') | let g:xtab_cwds = [] | endif
+
+ while len(g:xtab_cwds) < tabpagenr("$")
+ call add(g:xtab_cwds, getcwd())
+ endwhile
+ let s:state = 1
+ let t:cwd = getcwd()
+ let s:last_tab = 0
+ call airline#extensions#tabline#xtabline#filter_buffers()
+endfunction
+
+""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+
+function! airline#extensions#tabline#xtabline#update_obsession()
+ let string = 'let g:xtab_cwds = '.string(g:xtab_cwds).' | call airline#extensions#tabline#xtabline#update_obsession()'
+ if !exists('g:obsession_append')
+ let g:obsession_append = [string]
+ else
+ call filter(g:obsession_append, 'v:val !~# "^let g:xtab_cwds"')
+ call add(g:obsession_append, string)
+ endif
+endfunction
+
+""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+
+function! s:Do(action)
+ let arg = a:action
+ if !s:state | call s:InitCwds() | return | endif
+
+ """"""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+
+ if arg == 'new'
+
+ call insert(g:xtab_cwds, getcwd(), tabpagenr()-1)
+
+ """"""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+
+ elseif arg == 'enter'
+
+ let t:cwd =g:xtab_cwds[tabpagenr()-1]
+
+ cd `=t:cwd`
+ call airline#extensions#tabline#xtabline#filter_buffers()
+
+ """"""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+
+ elseif arg == 'leave'
+
+ let t:cwd = getcwd()
+ let g:xtab_cwds[tabpagenr()-1] = t:cwd
+ let s:last_tab = tabpagenr() - 1
+
+ if !exists('t:name') | let t:name = t:cwd | endif
+ let s:most_recent_tab = {'cwd': t:cwd, 'name': t:name, 'buffers': s:TabBuffers()}
+
+ """"""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+
+ elseif arg == 'close'
+
+ let s:most_recently_closed_tab = copy(s:most_recent_tab)
+ call remove(g:xtab_cwds, s:last_tab)
+ endif
+
+ """"""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+
+ call airline#extensions#tabline#xtabline#update_obsession()
+endfunction
+
+""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""