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Merge pull request #51 from coot/vim
jobs & other goodies
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,182 @@ | ||
| " Author: Prabir Shrestha <mail at prabir dot me> | ||
| " License: The MIT License | ||
| " Website: https://github.com/prabirshrestha/async.vim | ||
|
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||
| let s:save_cpo = &cpo | ||
| set cpo&vim | ||
|
|
||
| let s:jobidseq = 0 | ||
| let s:jobs = {} " { job, opts, type: 'vimjob|nvimjob'} | ||
| let s:job_type_nvimjob = 'nvimjob' | ||
| let s:job_type_vimjob = 'vimjob' | ||
| let s:job_error_unsupported_job_type = -2 " unsupported job type | ||
|
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||
| function! s:job_supported_types() abort | ||
| let l:supported_types = [] | ||
| if has('nvim') | ||
| let l:supported_types += [s:job_type_nvimjob] | ||
| endif | ||
| if !has('nvim') && has('job') && has('channel') && has('lambda') | ||
| let l:supported_types += [s:job_type_vimjob] | ||
| endif | ||
| return l:supported_types | ||
| endfunction | ||
|
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||
| function! s:job_supports_type(type) abort | ||
| return index(s:job_supported_types(), a:type) >= 0 | ||
| endfunction | ||
|
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||
| function! s:out_cb(job, data, jobid, opts) abort | ||
| if has_key(a:opts, 'on_stdout') | ||
| call a:opts.on_stdout(a:jobid, split(a:data, "\n", 1), 'stdout') | ||
| endif | ||
| endfunction | ||
|
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||
| function! s:err_cb(job, data, jobid, opts) abort | ||
| if has_key(a:opts, 'on_stderr') | ||
| call a:opts.on_stderr(a:jobid, split(a:data, "\n", 1), 'stderr') | ||
| endif | ||
| endfunction | ||
|
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||
| function! s:exit_cb(job, status, jobid, opts) abort | ||
| if has_key(a:opts, 'on_exit') | ||
| call a:opts.on_exit(a:jobid, a:status, 'exit') | ||
| endif | ||
| if has_key(s:jobs, a:jobid) | ||
| call remove(s:jobs, a:jobid) | ||
| endif | ||
| endfunction | ||
|
|
||
| function! s:on_stdout(jobid, data, event) abort | ||
| if has_key(s:jobs, a:jobid) | ||
| let l:jobinfo = s:jobs[a:jobid] | ||
| if has_key(l:jobinfo.opts, 'on_stdout') | ||
| call l:jobinfo.opts.on_stdout(a:jobid, a:data, a:event) | ||
| else | ||
| echom "No on_stdout" | ||
| endif | ||
| endif | ||
| endfunction | ||
|
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||
| function! s:on_stderr(jobid, data, event) abort | ||
| if has_key(s:jobs, a:jobid) | ||
| let l:jobinfo = s:jobs[a:jobid] | ||
| if has_key(l:jobinfo.opts, 'on_stderr') | ||
| call l:jobinfo.opts.on_stderr(a:jobid, a:data, a:event) | ||
| endif | ||
| endif | ||
| endfunction | ||
|
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||
| function! s:on_exit(jobid, status, event) abort | ||
| if has_key(s:jobs, a:jobid) | ||
| let l:jobinfo = s:jobs[a:jobid] | ||
| if has_key(l:jobinfo.opts, 'on_exit') | ||
| call l:jobinfo.opts.on_exit(a:jobid, a:status, a:event) | ||
| endif | ||
| endif | ||
| endfunction | ||
|
|
||
| function! s:job_start(cmd, opts) abort | ||
| let l:jobtypes = s:job_supported_types() | ||
| let l:jobtype = '' | ||
|
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||
| if has_key(a:opts, 'type') | ||
| if type(a:opts.type) == type('') | ||
| if !s:job_supports_type(a:opts.type) | ||
| return s:job_error_unsupported_job_type | ||
| endif | ||
| let l:jobtype = a:opts.type | ||
| else | ||
| let l:jobtypes = a:opts.type | ||
| endif | ||
| endif | ||
|
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||
| if empty(l:jobtype) | ||
| " find the best jobtype | ||
| for l:jobtype2 in l:jobtypes | ||
| if s:job_supports_type(l:jobtype2) | ||
| let l:jobtype = l:jobtype2 | ||
| endif | ||
| endfor | ||
| endif | ||
|
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||
| if l:jobtype == '' | ||
| return s:job_error_unsupported_job_type | ||
| endif | ||
|
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| if l:jobtype == s:job_type_nvimjob | ||
| let l:job = jobstart(a:cmd, { | ||
| \ 'on_stdout': function('s:on_stdout'), | ||
| \ 'on_stderr': function('s:on_stderr'), | ||
| \ 'on_exit': function('s:on_exit'), | ||
| \}) | ||
| if l:job <= 0 | ||
| return l:job | ||
| endif | ||
| let l:jobid = l:job " nvimjobid and internal jobid is same | ||
| let s:jobs[l:jobid] = { | ||
| \ 'type': s:job_type_nvimjob, | ||
| \ 'opts': a:opts, | ||
| \ } | ||
| let s:jobs[l:jobid].job = l:job | ||
| elseif l:jobtype == s:job_type_vimjob | ||
| let s:jobidseq = s:jobidseq + 1 | ||
| let l:jobid = s:jobidseq | ||
| let l:job = job_start(a:cmd, { | ||
| \ 'out_cb': {job,data->s:out_cb(job, data, l:jobid, a:opts)}, | ||
| \ 'err_cb': {job,data->s:err_cb(job, data, l:jobid, a:opts)}, | ||
| \ 'exit_cb': {job,data->s:exit_cb(job, data, l:jobid, a:opts)}, | ||
| \ 'mode': 'raw', | ||
| \}) | ||
| if job_status(l:job) != 'run' | ||
| return -1 | ||
| endif | ||
| let s:jobs[l:jobid] = { | ||
| \ 'type': s:job_type_vimjob, | ||
| \ 'opts': a:opts, | ||
| \ 'job': l:job, | ||
| \ 'channel': job_getchannel(l:job) | ||
| \ } | ||
| else | ||
| return s:job_error_unsupported_job_type | ||
| endif | ||
|
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| return l:jobid | ||
| endfunction | ||
|
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| function! s:job_stop(jobid) abort | ||
| if has_key(s:jobs, a:jobid) | ||
| let l:jobinfo = s:jobs[a:jobid] | ||
| if l:jobinfo.type == s:job_type_nvimjob | ||
| call jobstop(a:jobid) | ||
| elseif l:jobinfo.type == s:job_type_vimjob | ||
| call job_stop(s:jobs[a:jobid].job) | ||
| endif | ||
| if has_key(s:jobs, a:jobid) | ||
| call remove(s:jobs, a:jobid) | ||
| endif | ||
| endif | ||
| endfunction | ||
|
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| function! s:job_send(jobid, data) abort | ||
| let l:jobinfo = s:jobs[a:jobid] | ||
| if l:jobinfo.type == s:job_type_nvimjob | ||
| return jobsend(a:jobid, a:data) | ||
| elseif l:jobinfo.type == s:job_type_vimjob | ||
| return ch_sendraw(l:jobinfo.channel, a:data) | ||
| endif | ||
| endfunction | ||
|
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||
| " public apis {{{ | ||
| function! async#job#start(cmd, opts) abort | ||
| return s:job_start(a:cmd, a:opts) | ||
| endfunction | ||
|
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| function! async#job#stop(jobid) abort | ||
| call s:job_stop(a:jobid) | ||
| endfunction | ||
|
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| function! async#job#send(jobid, data) abort | ||
| return s:job_send(a:jobid, a:data) | ||
| endfunction | ||
| " }}} |
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