" ============================================================================
" File:        tagbar.vim
" Description: List the current file's tags in a sidebar, ordered by class etc
" Author:      Jan Larres <jan@majutsushi.net>
" Licence:     Vim licence
" Website:     http://majutsushi.github.com/tagbar/
" Version:     2.6
" Note:        This plugin was heavily inspired by the 'Taglist' plugin by
"              Yegappan Lakshmanan and uses a small amount of code from it.
"
" Original taglist copyright notice:
"              Permission is hereby granted to use and distribute this code,
"              with or without modifications, provided that this copyright
"              notice is copied with it. Like anything else that's free,
"              taglist.vim is provided *as is* and comes with no warranty of
"              any kind, either expressed or implied. In no event will the
"              copyright holder be liable for any damamges resulting from the
"              use of this software.
" ============================================================================

scriptencoding utf-8

if &cp || exists('g:loaded_tagbar')
    finish
endif

" Basic init {{{1

if v:version < 700
    echohl WarningMsg
    echomsg 'Tagbar: Vim version is too old, Tagbar requires at least 7.0'
    echohl None
    finish
endif

if v:version == 700 && !has('patch167')
    echohl WarningMsg
    echomsg 'Tagbar: Vim versions lower than 7.0.167 have a bug'
          \ 'that prevents this version of Tagbar from working.'
          \ 'Please use the alternate version posted on the website.'
    echohl None
    finish
endif

function! s:init_var(var, value) abort
    if !exists('g:tagbar_' . a:var)
        execute 'let g:tagbar_' . a:var . ' = ' . string(a:value)
    endif
endfunction

let s:options = [
    \ ['autoclose', 0],
    \ ['autofocus', 0],
    \ ['autopreview', 0],
    \ ['autoshowtag', 0],
    \ ['compact', 0],
    \ ['expand', 0],
    \ ['foldlevel', 99],
    \ ['indent', 2],
    \ ['left', 0],
    \ ['previewwin_pos', 'topleft'],
    \ ['show_visibility', 1],
    \ ['show_linenumbers', 0],
    \ ['singleclick', 0],
    \ ['sort', 1],
    \ ['systemenc', &encoding],
    \ ['width', 40],
\ ]

for [opt, val] in s:options
    call s:init_var(opt, val)
endfor
unlet s:options

if !exists('g:tagbar_iconchars')
    if has('multi_byte') && has('unix') && &encoding == 'utf-8' &&
     \ (empty(&termencoding) || &termencoding == 'utf-8')
        let g:tagbar_iconchars = ['▶', '▼']
    else
        let g:tagbar_iconchars = ['+', '-']
    endif
endif

let s:keymaps = [
    \ ['jump',       '<CR>'],
    \ ['preview',    'p'],
    \ ['previewwin', 'P'],
    \ ['nexttag',    '<C-N>'],
    \ ['prevtag',    '<C-P>'],
    \ ['showproto',  '<Space>'],
    \
    \ ['openfold',      ['+', '<kPlus>', 'zo']],
    \ ['closefold',     ['-', '<kMinus>', 'zc']],
    \ ['togglefold',    ['o', 'za']],
    \ ['openallfolds',  ['*', '<kMultiply>', 'zR']],
    \ ['closeallfolds', ['=', 'zM']],
    \
    \ ['togglesort', 's'],
    \ ['zoomwin',    'x'],
    \ ['close',      'q'],
    \ ['help',       '<F1>'],
\ ]

for [map, key] in s:keymaps
    call s:init_var('map_' . map, key)
    unlet key
endfor
unlet s:keymaps

augroup TagbarSession
    autocmd!
    autocmd SessionLoadPost * nested call tagbar#RestoreSession()
augroup END

" Commands {{{1
command! -nargs=0 Tagbar              call tagbar#ToggleWindow()
command! -nargs=0 TagbarToggle        call tagbar#ToggleWindow()
command! -nargs=? TagbarOpen          call tagbar#OpenWindow(<f-args>)
command! -nargs=0 TagbarOpenAutoClose call tagbar#OpenWindow('fcj')
command! -nargs=0 TagbarClose         call tagbar#CloseWindow()
command! -nargs=1 -bang TagbarSetFoldlevel  call tagbar#SetFoldLevel(<args>, <bang>0)
command! -nargs=0 TagbarShowTag       call tagbar#highlighttag(1, 1)
command! -nargs=? TagbarCurrentTag    echo tagbar#currenttag('%s', 'No current tag', <f-args>)
command! -nargs=1 TagbarGetTypeConfig call tagbar#gettypeconfig(<f-args>)
command! -nargs=? TagbarDebug         call tagbar#StartDebug(<f-args>)
command! -nargs=0 TagbarDebugEnd      call tagbar#StopDebug()
command! -nargs=0 TagbarTogglePause   call tagbar#toggle_pause()

" Modeline {{{1
" vim: ts=8 sw=4 sts=4 et foldenable foldmethod=marker foldcolumn=1