diff options
Diffstat (limited to 'vim/autoload/flag_toggle.vim')
-rw-r--r-- | vim/autoload/flag_toggle.vim | 89 |
1 files changed, 43 insertions, 46 deletions
diff --git a/vim/autoload/flag_toggle.vim b/vim/autoload/flag_toggle.vim index 10739149..2ff4584d 100644 --- a/vim/autoload/flag_toggle.vim +++ b/vim/autoload/flag_toggle.vim @@ -1,5 +1,5 @@ " -" option_flags.vim: Provide functions to toggle flags in single-char grouped +" flag_toggle.vim: Provide functions to toggle flags in single-char grouped " options like 'formatoptions', 'shortmess', 'complete' etc. " " This will fail hilariously if you try to set e.g. 'switchbuf' with it! @@ -7,48 +7,45 @@ " Author: Tom Ryder <tom@sanctum.geek.nz> " License: Same as Vim itself " -if has('eval') - - " Public wrapper function to toggle a flag with 'set' - function! option_flags#toggle(option, flag) - call s:toggle(a:option, a:flag, 0) - endfunction - - " Public wrapper function to toggle a flag with 'setlocal' - function! option_flags#toggle_local(option, flag) - call s:toggle(a:option, a:flag, 1) - endfunction - - " Internal function to do the toggling - function! s:toggle(option, flag, local) - - " Check for weird options, we don't want to eval() anything funny - if a:option =~# '[^a-z]' - echoerr 'Illegal option name' - return - endif - - " Weird flags, too; should be a single inoffensive char - if a:flag !~# '^[a-z0-9.]$' - echoerr 'Illegal flag' - return - endif - - " Choose which set command to use - if a:local - let l:set = 'setlocal ' - else - let l:set = 'set ' - endif - - " Use eval() to assign -= or += to l:op for the option toggle - " (I couldn't get {curly braces} indirection to work) - let l:op = '' - execute 'let l:op = &'.a:option.' =~# a:flag ? "-=" : "+="' - - " Use eval() to perform the option toggle and then print the value - execute l:set . ' ' . a:option . l:op . a:flag . ' ' . a:option . '?' - - endfunction - -endif + +" Public wrapper function to toggle a flag with 'set' +function! flag_toggle#Toggle(option, flag) + call s:Toggle(a:option, a:flag, 0) +endfunction + +" Public wrapper function to toggle a flag with 'setlocal' +function! flag_toggle#ToggleLocal(option, flag) + call s:Toggle(a:option, a:flag, 1) +endfunction + +" Internal function to do the toggling +function! s:Toggle(option, flag, local) + + " Check for weird options, we don't want to eval() anything funny + if a:option =~# '[^a-z]' + echoerr 'Illegal option name' + return + endif + + " Weird flags, too; should be a single inoffensive char + if a:flag !~# '^[a-z0-9.]$' + echoerr 'Illegal flag' + return + endif + + " Choose which set command to use + if a:local + let l:set = 'setlocal ' + else + let l:set = 'set ' + endif + + " Use eval() to assign -= or += to l:op for the option toggle + " (I couldn't get {curly braces} indirection to work) + let l:op = '' + execute 'let l:op = &'.a:option.' =~# a:flag ? "-=" : "+="' + + " Use eval() to perform the option toggle and then print the value + execute l:set . ' ' . a:option . l:op . a:flag . ' ' . a:option . '?' + +endfunction |