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" Timing of long during operations.
"
" Author: Peter Odding <peter@peterodding.com>
" Last Change: May 20, 2013
" URL: http://peterodding.com/code/vim/misc/
if !exists('g:timer_enabled')
let g:timer_enabled = 0
endif
if !exists('g:timer_verbosity')
let g:timer_verbosity = 1
endif
let s:has_reltime = has('reltime')
function! xolox#misc#timer#start() " {{{1
" Start a timer. This returns a list which can later be passed to
" `xolox#misc#timer#stop()`.
return s:has_reltime ? reltime() : [localtime()]
endfunction
function! xolox#misc#timer#stop(...) " {{{1
" Show a formatted debugging message to the user, if the user has enabled
" increased verbosity by setting Vim's ['verbose'] [verbose] option to one
" (1) or higher.
"
" This function has the same argument handling as Vim's [printf()] [printf]
" function with one difference: At the point where you want the elapsed time
" to be embedded, you write `%s` and you pass the list returned by
" `xolox#misc#timer#start()` as an argument.
"
" [verbose]: http://vimdoc.sourceforge.net/htmldoc/options.html#'verbose'
" [printf]: http://vimdoc.sourceforge.net/htmldoc/eval.html#printf()
if (g:timer_enabled || &verbose >= g:timer_verbosity)
call call('xolox#misc#msg#info', map(copy(a:000), 's:convert_value(v:val)'))
endif
endfunction
function! xolox#misc#timer#force(...) " {{{1
" Show a formatted message to the user. This function has the same argument
" handling as Vim's [printf()] [printf] function with one difference: At the
" point where you want the elapsed time to be embedded, you write `%s` and
" you pass the list returned by `xolox#misc#timer#start()` as an argument.
call call('xolox#misc#msg#info', map(copy(a:000), 's:convert_value(v:val)'))
endfunction
function! s:convert_value(value) " {{{1
if type(a:value) != type([])
return a:value
elseif !empty(a:value)
if s:has_reltime
let ts = xolox#misc#str#trim(reltimestr(reltime(a:value)))
else
let ts = localtime() - a:value[0]
endif
return xolox#misc#timer#format_timespan(ts)
else
return '?'
endif
endfunction
" Format number of seconds as human friendly description.
let s:units = [['day', 60 * 60 * 24], ['hour', 60 * 60], ['minute', 60], ['second', 1]]
function! xolox#misc#timer#format_timespan(ts) " {{{1
" Format a time stamp (a string containing a formatted floating point
" number) into a human friendly format, for example 70 seconds is phrased as
" "1 minute and 10 seconds".
" Convert timespan to integer.
let seconds = a:ts + 0
" Fast common case with extra precision from reltime().
if seconds < 5
let extract = matchstr(a:ts, '^\d\+\(\.0*[1-9][1-9]\?\)\?')
if extract =~ '[123456789]'
return extract . ' second' . (extract != '1' ? 's' : '')
endif
endif
" Generic but slow code.
let result = []
for [name, size] in s:units
if seconds >= size
let counter = seconds / size
let seconds = seconds % size
let suffix = counter != 1 ? 's' : ''
call add(result, printf('%i %s%s', counter, name, suffix))
endif
endfor
" Format the resulting text?
if len(result) == 1
return result[0]
else
return join(result[0:-2], ', ') . ' and ' . result[-1]
endif
endfunction
" vim: ts=2 sw=2 et
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