On 17/07/10 15:57, Aaron Lewis wrote:
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On 07/17/2010 09:20 PM, Tony Mechelynck wrote:
On 17/07/10 14:15, Aaron Lewis wrote:
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On 07/17/2010 07:51 PM, Frank Blendinger wrote:
Hi.
Aaron Lewis<[email protected]> (2010-07-17 19:24 +0800):
I'm trying to implement a custom script used for commenting and
uncommenting , we have two types , like c-style `//' and shell-style
`#'
, how can i detect the first characters ?
Not really answering your question, but if you aren't writing the script
just for fun or education I would recommend the existing NERD commenter
plugin, which does its job pretty well for all kinds of comments:
OK , i've just got some ideas from that plugin , as i'm doing a custom
plugin , what's wrong with this func , anybody give a try ?
func! CommentingOut()
if filetype == ""
s/^/#/<CR>
else
s/^/\/\//<CR>
endif
endfunc
Thanks
Hm, the logic looks a little too simple. There are a lot of filetypes,
Doesn't matter for me right now ;-) You've got it , should be regex here.
detected by Vim, for which C++-like comments won't be acceptable. In
addition, since script lines are ex-commands, you don't need additional
<CR> characters at the end. And finally, you may want to separate your
comment leader from the text by a space.
Right
Ah, and, "filetype" without the
quotes is a user-defined variable name. To get the option you need a&
prefix, see ":help expr-option".
Yep.
I haven't tried the following (based on the above function), but what do
you think of it?
function CommentOut() range
if&filetype =~? '^c$\|^cpp$\|^css$\|^javascript$'
exe a:firstline . ',' . a:lastline . 's/^/\/\/ /'
else
exe a:firstline . ',' . a:lastline . 's/^/# /'
endif
endfunc
Great , works fine.
At first glance , i'm just trying to remove comments by determining the
first character , maybe by file type is more reliable. I'm just thinking
about macros in c language.
- --
Best Regards,
Aaron Lewis - PGP: 0x4A6D32A0
FingerPrint EA63 26B2 6C52 72EA A4A5 EB6B BDFE 35B0 4A6D 32A0
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Well, this will _add_ comments. _Removing_ comments is easier:
:[range]s/^# \|^\/\/ //
would do it, except that in C-like files you wouldn't want to strip the
initial # in indented preprocessor directives like
#ifdef A
# if defined(B) || defined(C)
# ifndef D
# define D foobar
# endif
# else
etc., so you would probably have to do either the one or the other; but
I suppose it is simple enough that you can still do either
:[range]s/# //
or
:[range]s/\/\/ //
manually.
Best regards,
Tony.
--
The man who said "A bird in the hand's worth two in the bush" has been
putting his bird in the *WRONG* bushes.
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