vim-airline/autoload/airline/extensions/wordcount.vim
2022-09-30 23:25:47 -04:00

124 lines
4.2 KiB
VimL

" MIT License. Copyright (c) 2013-2021 Bailey Ling et al.
" vim: et ts=2 sts=2 sw=2 fdm=marker
scriptencoding utf-8
" get wordcount {{{1
if exists('*wordcount')
function! s:get_wordcount(visual_mode_active)
if get(g:, 'actual_curbuf', '') != bufnr('')
return
endif
if &filetype ==# 'tex' && exists('b:vimtex') && get(g:, 'airline#extensions#vimtex#wordcount', 0)
" We're in a TeX file and vimtex is a plugin, so use vimtex's wordcount...
return vimtex#misc#wordcount()
else
let query = a:visual_mode_active ? 'visual_words' : 'words'
return get(wordcount(), query, 0)
endif
endfunction
else " Pull wordcount from the g_ctrl-g stats
function! s:get_wordcount(visual_mode_active)
let pattern = a:visual_mode_active
\ ? '^.\D*\d\+\D\+\d\+\D\+\zs\d\+'
\ : '^.\D*\%(\d\+\D\+\)\{5}\zs\d\+'
let save_status = v:statusmsg
if !a:visual_mode_active && col('.') == col('$')
let save_pos = getpos('.')
execute "silent normal! g\<c-g>"
call setpos('.', save_pos)
else
execute "silent normal! g\<c-g>"
endif
let stats = v:statusmsg
let v:statusmsg = save_status
return str2nr(matchstr(stats, pattern))
endfunction
endif
" format {{{1
let s:formatter = get(g:, 'airline#extensions#wordcount#formatter', 'default')
" wrapper function for compatibility; redefined below for old-style formatters
function! s:format_wordcount(wordcount)
return airline#extensions#wordcount#formatters#{s:formatter}#to_string(a:wordcount)
endfunction
" check user-defined formatter exists with appropriate functions, otherwise
" fall back to default
if s:formatter !=# 'default'
execute 'runtime! autoload/airline/extensions/wordcount/formatters/'.s:formatter.'.vim'
if !exists('*airline#extensions#wordcount#formatters#{s:formatter}#to_string')
if !exists('*airline#extensions#wordcount#formatters#{s:formatter}#format')
let s:formatter = 'default'
else
" redefine for backwords compatibility
function! s:format_wordcount(_)
if mode() ==? 'v'
return b:airline_wordcount
else
return airline#extensions#wordcount#formatters#{s:formatter}#format()
endif
endfunction
endif
endif
endif
" update {{{1
let s:wordcount_cache = 0 " cache wordcount for performance when force_update=0
function! s:update_wordcount(force_update)
let wordcount = s:get_wordcount(0)
if wordcount != s:wordcount_cache || a:force_update
let s:wordcount_cache = wordcount
let b:airline_wordcount = s:format_wordcount(wordcount)
endif
endfunction
function airline#extensions#wordcount#get()
if get(g:, 'airline#visual_active', 0)
return s:format_wordcount(s:get_wordcount(1))
else
if get(b:, 'airline_changedtick', 0) != b:changedtick
call s:update_wordcount(0)
let b:airline_changedtick = b:changedtick
endif
return get(b:, 'airline_wordcount', '')
endif
endfunction
" airline functions {{{1
" default filetypes:
function! airline#extensions#wordcount#apply(...)
let filetypes = get(g:, 'airline#extensions#wordcount#filetypes',
\ ['asciidoc', 'help', 'mail', 'markdown', 'nroff', 'org', 'rst', 'plaintex', 'tex', 'text'])
" export current filetypes settings to global namespace
let g:airline#extensions#wordcount#filetypes = filetypes
" Check if filetype needs testing
if did_filetype()
" correctly test for compound filetypes (e.g. markdown.pandoc)
let ft = substitute(&filetype, '\.', '\\|', 'g')
" Select test based on type of "filetypes": new=list, old=string
if type(filetypes) == get(v:, 't_list', type([]))
\ ? match(filetypes, '\<'. ft. '\>') > -1 || index(filetypes, 'all') > -1
\ : match(&filetype, filetypes) > -1
let b:airline_changedtick = -1
call s:update_wordcount(1) " force update: ensures initial worcount exists
elseif exists('b:airline_wordcount') " cleanup when filetype is removed
unlet b:airline_wordcount
endif
endif
if exists('b:airline_wordcount')
call airline#extensions#prepend_to_section(
\ 'z', '%{airline#extensions#wordcount#get()}')
endif
endfunction
function! airline#extensions#wordcount#init(ext)
call a:ext.add_statusline_func('airline#extensions#wordcount#apply')
endfunction