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authorTom Ryder <tom@sanctum.geek.nz>2017-11-04 18:21:16 +1300
committerTom Ryder <tom@sanctum.geek.nz>2017-11-04 18:21:16 +1300
commit2c20a3c3427befd77029fc37cbda0476f650b681 (patch)
tree7fa7e1050de2a660e71da37d347786371a53b689 /vim/plugin
parentdae845727dbb3a7f91137d85d322ee475d604289 (diff)
downloaddotfiles-2c20a3c3427befd77029fc37cbda0476f650b681.tar.gz
dotfiles-2c20a3c3427befd77029fc37cbda0476f650b681.zip
Rename toggle plugin again, use commands not funcs
This method makes a bit more sense, and amounts to slightly less verbose mapping commands. It does really on the +user_commands feature being available, however.
Diffstat (limited to 'vim/plugin')
-rw-r--r--vim/plugin/toggle_option_flag.vim44
1 files changed, 44 insertions, 0 deletions
diff --git a/vim/plugin/toggle_option_flag.vim b/vim/plugin/toggle_option_flag.vim
new file mode 100644
index 00000000..10b4fe7a
--- /dev/null
+++ b/vim/plugin/toggle_option_flag.vim
@@ -0,0 +1,44 @@
+"
+" toggle_option_flag.vim: Provide commands 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') && has('user_commands')
+
+ " 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
+ let l:set = a:local ? 'setlocal' : 'set'
+
+ " 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
+
+ " User commands wrapping around calls to the above function
+ command! -nargs=+ ToggleOptionFlag :call <SID>Toggle(<f-args>, 0)
+ command! -nargs=+ ToggleOptionFlagLocal :call <SID>Toggle(<f-args>, 1)
+
+endif