ale/autoload/ale/history.vim

63 lines
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VimL

" Author: w0rp <devw0rp@gmail.com>
" Description: Tools for managing command history
" A flag for controlling the maximum size of the command history to store.
let g:ale_max_buffer_history_size = get(g:, 'ale_max_buffer_history_size', 20)
" Return a shallow copy of the command history for a given buffer number.
function! ale#history#Get(buffer) abort
return copy(getbufvar(a:buffer, 'ale_history', []))
endfunction
function! ale#history#Add(buffer, status, job_id, command) abort
if g:ale_max_buffer_history_size <= 0
" Don't save anything if the history isn't a positive number.
call setbufvar(a:buffer, 'ale_history', [])
return
endif
let l:history = getbufvar(a:buffer, 'ale_history', [])
" Remove the first item if we hit the max history size.
if len(l:history) >= g:ale_max_buffer_history_size
let l:history = l:history[1:]
endif
call add(l:history, {
\ 'status': a:status,
\ 'job_id': a:job_id,
\ 'command': a:command,
\})
call setbufvar(a:buffer, 'ale_history', l:history)
endfunction
function! s:FindHistoryItem(buffer, job_id) abort
" Search backwards to find a matching job ID. IDs might be recycled,
" so finding the last one should be good enough.
for l:obj in reverse(ale#history#Get(a:buffer))
if l:obj.job_id == a:job_id
return l:obj
endif
endfor
return {}
endfunction
" Set an exit code for a command which finished.
function! ale#history#SetExitCode(buffer, job_id, exit_code) abort
let l:obj = s:FindHistoryItem(a:buffer, a:job_id)
" If we find a match, then set the code and status.
let l:obj.exit_code = a:exit_code
let l:obj.status = 'finished'
endfunction
" Set the output for a command which finished.
function! ale#history#RememberOutput(buffer, job_id, output) abort
let l:obj = s:FindHistoryItem(a:buffer, a:job_id)
let l:obj.output = a:output
endfunction