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| " vim-convert/autoload/convert.vim | ||
| " Author: Christopher Peterson <https://chrispeterson.info> | ||
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| """ Functions {{{1 | ||
| function! convert#Display_units_defs() | ||
| """ Display the unit definitions file in a split | ||
| let output = system(g:convert_command . ' -V') | ||
| let defs_file = matchstr(output, '\(Units data file is ''\)\@<=[^'']\+\(''\)\@=') | ||
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| execute 'split|view ' . fnameescape(defs_file) | ||
| endfunction | ||
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| function! convert#Convert_units(...) range | ||
| """ Convert units and insert the result, considering formatting and whether | ||
| """ to overwrite a selection or insert anew | ||
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| " Get current visual selection in reg n, but back it up the orig value first | ||
| let nbak = @n | ||
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| try | ||
| if a:0 >=# 3 | ||
| echoerr 'Too many arugments for conversion' | ||
| return | ||
| elseif a:0 ==# 2 | ||
| " Look at the first arg. Is it a value *and* unit, or just a unit? | ||
| if a:1 =~# '[0-9]\+[a-zAaZ]\+[a-zA-Z0-9]*' | ||
| " If given a value-unit combo a la "15kg" | ||
| let @n = a:1 | ||
| let new_unit = a:2 | ||
| let nakedval = 0 | ||
| let replace_selection = 0 | ||
| else | ||
| " Else we got just a unit specified, which means we're operating on the | ||
| " last selection | ||
| " Get the last selection into reg n | ||
| silent! normal! gv"ny | ||
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| let @n = @n . a:1 | ||
| let new_unit = a:2 | ||
| let nakedval = 1 | ||
| let replace_selection = 1 | ||
| endif | ||
| else | ||
| " Only one arg: assume it is the target unit | ||
| " Get the last selection into reg n | ||
| silent! normal! gv"ny | ||
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| let new_unit = a:1 | ||
| let nakedval = 0 | ||
| let replace_selection = 1 | ||
| endif | ||
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| " Actually convert things between units | ||
| let unitsargs = "'" . @n . "' '" . new_unit . "'" | ||
| let @n = system(g:convert_command . ' ' . unitsargs) | ||
| if v:shell_error !=# 0 | ||
| """ Bail | ||
| echon @n | ||
| let @n = nbak | ||
| return | ||
| endif | ||
| let @n = split(@n, '\n')[0] " Get first line | ||
| " Pare down to just the numerical result | ||
| let @n = substitute(@n, '^\s\+\*\s\+', '', '') | ||
| " Limit significant figures if configured to do so | ||
| if !nakedval | ||
| " If the source unit was given as an arg and not part of the selection, | ||
| " put the answer back in place in the same manner: no units | ||
| let @n = join([@n, new_unit], '') | ||
| endif | ||
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| if replace_selection | ||
| " If the function was apparently called unrelated to any prev text selection | ||
| " Delete original selection | ||
| normal! gvd | ||
| normal! "nP | ||
| " restore the visual selection to the whole new value | ||
| let selectrange = repeat('l', len(@n) - 1) | ||
| execute 'normal! `<v' . selectrange | ||
| else | ||
| " ...and replace it with the new value | ||
| normal! "np | ||
| endif | ||
| finally | ||
| " Restore register n to its original state | ||
| let @n = nbak | ||
| endtry | ||
| endfunction | ||
| """ }}} |
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