/
undo.vim
154 lines (138 loc) · 3.62 KB
/
undo.vim
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" =============================================================================
" File: autoload/ctrlp/undo.vim
" Description: Undo extension
" Author: Kien Nguyen <github.com/kien>
" =============================================================================
" Init {{{1
if ( exists('g:loaded_ctrlp_undo') && g:loaded_ctrlp_undo )
fini
en
let g:loaded_ctrlp_undo = 1
cal add(g:ctrlp_ext_vars, {
\ 'init': 'ctrlp#undo#init()',
\ 'accept': 'ctrlp#undo#accept',
\ 'lname': 'undo',
\ 'sname': 'udo',
\ 'enter': 'ctrlp#undo#enter()',
\ 'exit': 'ctrlp#undo#exit()',
\ 'type': 'line',
\ 'sort': 0,
\ 'nolim': 1,
\ })
let s:id = g:ctrlp_builtins + len(g:ctrlp_ext_vars)
let s:text = map(['second', 'seconds', 'minutes', 'hours', 'days', 'weeks',
\ 'months', 'years'], '" ".v:val." ago"')
" Utilities {{{1
fu! s:getundo()
if exists('*undotree')
\ && ( v:version > 703 || ( v:version == 703 && has('patch005') ) )
retu [1, undotree()]
el
redi => result
sil! undol
redi END
retu [0, split(result, "\n")[1:]]
en
endf
fu! s:flatten(tree, cur)
let flatdict = {}
for each in a:tree
let saved = has_key(each, 'save') ? 'saved' : ''
let current = each['seq'] == a:cur ? 'current' : ''
cal extend(flatdict, { each['seq'] : [each['time'], saved, current] })
if has_key(each, 'alt')
cal extend(flatdict, s:flatten(each['alt'], a:cur))
en
endfo
retu flatdict
endf
fu! s:elapsed(nr)
let [text, time] = [s:text, localtime() - a:nr]
let mins = time / 60
let hrs = time / 3600
let days = time / 86400
let wks = time / 604800
let mons = time / 2592000
let yrs = time / 31536000
if yrs > 1
retu yrs.text[7]
elsei mons > 1
retu mons.text[6]
elsei wks > 1
retu wks.text[5]
elsei days > 1
retu days.text[4]
elsei hrs > 1
retu hrs.text[3]
elsei mins > 1
retu mins.text[2]
elsei time == 1
retu time.text[0]
elsei time < 120
retu time.text[1]
en
endf
fu! s:syntax()
if ctrlp#nosy() | retu | en
for [ke, va] in items({'T': 'Directory', 'Br': 'Comment', 'Nr': 'String',
\ 'Sv': 'Comment', 'Po': 'Title'})
cal ctrlp#hicheck('CtrlPUndo'.ke, va)
endfo
sy match CtrlPUndoT '\v\d+ \zs[^ ]+\ze|\d+:\d+:\d+'
sy match CtrlPUndoBr '\[\|\]'
sy match CtrlPUndoNr '\[\d\+\]' contains=CtrlPUndoBr
sy match CtrlPUndoSv 'saved'
sy match CtrlPUndoPo 'current'
endf
fu! s:dict2list(dict)
for ke in keys(a:dict)
let a:dict[ke][0] = s:elapsed(a:dict[ke][0])
endfo
retu map(keys(a:dict), 'eval(''[v:val, a:dict[v:val]]'')')
endf
fu! s:compval(...)
retu a:2[0] - a:1[0]
endf
fu! s:format(...)
let saved = !empty(a:1[1][1]) ? ' '.a:1[1][1] : ''
let current = !empty(a:1[1][2]) ? ' '.a:1[1][2] : ''
retu a:1[1][0].' ['.a:1[0].']'.saved.current
endf
fu! s:formatul(...)
let parts = matchlist(a:1,
\ '\v^\s+(\d+)\s+\d+\s+([^ ]+\s?[^ ]+|\d+\s\w+\s\w+)(\s*\d*)$')
retu parts == [] ? '----'
\ : parts[2].' ['.parts[1].']'.( parts[3] != '' ? ' saved' : '' )
endf
" Public {{{1
fu! ctrlp#undo#init()
let entries = s:undos[0] ? s:undos[1]['entries'] : s:undos[1]
if empty(entries) | retu [] | en
if !exists('s:lines')
if s:undos[0]
let entries = s:dict2list(s:flatten(entries, s:undos[1]['seq_cur']))
let s:lines = map(sort(entries, 's:compval'), 's:format(v:val)')
el
let s:lines = map(reverse(entries), 's:formatul(v:val)')
en
en
cal s:syntax()
retu s:lines
endf
fu! ctrlp#undo#accept(mode, str)
let undon = matchstr(a:str, '\[\zs\d\+\ze\]')
if empty(undon) | retu | en
cal ctrlp#exit()
exe 'u' undon
endf
fu! ctrlp#undo#id()
retu s:id
endf
fu! ctrlp#undo#enter()
let s:undos = s:getundo()
endf
fu! ctrlp#undo#exit()
unl! s:lines
endf
"}}}
" vim:fen:fdm=marker:fmr={{{,}}}:fdl=0:fdc=1:ts=2:sw=2:sts=2