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author | Tom Ryder <tom@sanctum.geek.nz> | 2017-11-04 17:33:06 +1300 |
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committer | Tom Ryder <tom@sanctum.geek.nz> | 2017-11-04 17:33:06 +1300 |
commit | 85b05425ed3be65439fefa5f0074d3d7f18217f9 (patch) | |
tree | 6785858b291dcc6bbaddd5b363b28261b37a6401 /vim/autoload | |
parent | Move Vim background detection logic into plugin (diff) | |
download | dotfiles-85b05425ed3be65439fefa5f0074d3d7f18217f9.tar.gz dotfiles-85b05425ed3be65439fefa5f0074d3d7f18217f9.zip |
Don't suggest mappings in Vim plugin comments
Pretty useless, really.
Diffstat (limited to 'vim/autoload')
-rw-r--r-- | vim/autoload/flag_toggle.vim | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/vim/autoload/flag_toggle.vim b/vim/autoload/flag_toggle.vim new file mode 100644 index 00000000..10739149 --- /dev/null +++ b/vim/autoload/flag_toggle.vim @@ -0,0 +1,54 @@ +" +" option_flags.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! +" +" 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 |