2006-10-27 20:31:44 -04:00
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" surround.vim - Surroundings
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" Maintainer: Tim Pope <vimNOSPAM@tpope.info>
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" $Id$
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"
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" Usage:
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"
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" "ds" is a mapping which deletes the surroundings of a text object--the
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" difference between the "inner" object and "an" object. See the :help on
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" text-objects for details. This is easiest to understand with some examples;
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" in the following, * represents the cursor position.
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"
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" Old Keystroke New
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" "Hello *world!" ds" Hello world!
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" (123+4*56)/2 ds) 123+456/2
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" <div>Yo!</div> dst Yo!
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"
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" "cs" does as above, but rather than remove the surroundings, it replaces
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" them with something else. It takes two arguments. Once again, examples are
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" in order. (Details about the second argument, the replacement character,
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" are below).
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"
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" Old Keystroke New
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" "Hello *world!" cs"' 'Hello world!'
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" "Hello *world!" cs"<q> <q>Hello world!</q>
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" (123+4*56)/2 cs)] [123+456]/2
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" (123+4*56)/2 cs)[ [ 123+456 ]/2
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" <div>Yo!</div> cst<p> <p>Yo!</p>
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"
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" "ys" takes a motion or text object as the first object, and wraps it using
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" the second argument as with "cs".
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"
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" Old Keystroke New
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" Hello w*orld! ysiw) Hello (world)!
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"
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" As a special case, "yss" operates on the current line, ignoring leading
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" whitespace.
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"
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" Old Keystroke New
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" Hello w*orld! yssB {Hello world!}
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"
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2006-10-28 23:44:12 -04:00
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" In visual mode, a simple "s" with an argument wraps the selection.
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2006-10-27 20:31:44 -04:00
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" Note that "s" already has a valid meaning in visual mode, but it is
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" identical to "c". If you have muscle memory for "s" and would like to use a
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" different key, add your own mapping and the existing one will be disabled.
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"
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" vmap S <Plug>VSurround
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"
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2006-10-28 23:44:12 -04:00
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" Finally, there is an experimental insert mode mapping on <C-S>. Beware that
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" this won't work on terminals with flow control (if you accidentally freeze
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" your terminal, use <C-Q> to unfreeze it). This inserts the surrounding
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" characters and puts the cursor between them. If, immediately after <C-S>
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" and before the replacement carriage return is pressed, the prefix, cursor,
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" and suffix will be placed on three separate lines.
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"
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2006-10-27 20:31:44 -04:00
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" Replacements:
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"
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" A replacement argument is a single character. The default behavior is to
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" insert that character before and after the text.
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"
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" If ")", "]", "}", or ">" are used, the text is wrapped in the appropriate
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" open/close pair of characters. "(", "[", and "{" behave similarly but add
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" an additional space to the inside. "B" and "b" are synonymous with "}" and
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" ")".
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"
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" If "t" or "<" is used, Vim prompts for an HTML/XML tag to insert. You may
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" specify attributes here and they will be stripped from the closing tag.
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" End your input by pressing "<CR>" or ">".
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"
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" Customizing:
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"
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" The following adds a potential replacement on "-" (ASCII 45) in PHP files.
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" (To determine the ASCII code to use, :echo char2nr("-")). The newline will
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" be replaced by the original text.
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"
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" autocmd FileType php let b:surround_45 = "<?php \n ?>"
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"
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" This can be used in a PHP file as in the following example.
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"
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" Old Keystroke New
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" print "Hello *world!" yss- <?php print "Hello world!" ?>
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"
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" Additionally, one can use a global variable for globally available
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" replacements.
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"
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" let g:surround_45 = "<% \n %>"
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"
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" Issues:
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"
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" Vim could potentially get confused when deleting/changing occurs at the very
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2006-10-28 23:44:12 -04:00
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" end of the line. Pleae report any repeatable instances of this.
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2006-10-27 20:31:44 -04:00
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"
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" Do we need to use inputsave() / inputrestore() with the tag replacement?
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"
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" Customization isn't very flexible. Need a system that allows for prompting
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" similar to with tags.
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"
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" Reindenting is handled haphazardly. Need to decide the most appropriate
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2006-10-28 23:44:12 -04:00
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" behavior and implement it. Right now one can do :let b:surround_indent = 1
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" (or the global equivalent) to enable automatic reindenting by Vim; should
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" this be the default?
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"
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" It would be nice if . would work to repeat an operation.
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2006-10-27 20:31:44 -04:00
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" ============================================================================
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" Exit quickly when:
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" - this plugin was already loaded (or disabled)
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" - when 'compatible' is set
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if (exists("g:loaded_surround") && g:loaded_surround) || &cp
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finish
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endif
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let g:loaded_surround = 1
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let s:cpo_save = &cpo
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set cpo&vim
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2006-10-28 23:44:12 -04:00
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" Input functions {{{1
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function! s:getchar()
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let c = getchar()
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if c =~ '^\d\+$'
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let c = nr2char(c)
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endif
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return c
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endfunction
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function! s:inputtarget()
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let c = s:getchar()
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if c =~ "\<Esc>\|\<C-C>\|\0"
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return ""
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else
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return c
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endif
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endfunction
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function! s:inputreplacement()
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"echo '-- SURROUND --'
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let c = s:getchar()
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if c == " "
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let c = c . s:getchar()
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endif
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if c =~ "\<Esc>\|\<C-C>\|\0"
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return ""
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else
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return c
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endif
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endfunction
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function! s:beep()
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exe "norm! \<Esc>"
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return ""
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endfunction
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function! s:redraw()
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redraw
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return ""
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endfunction
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" }}}1
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2006-10-27 20:31:44 -04:00
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function! s:wrap(string,char,...) " {{{1
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let keeper = a:string
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let newchar = a:char
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let linemode = a:0 ? a:1 : 0
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2006-10-28 23:44:12 -04:00
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let before = ""
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let after = ""
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2006-10-27 20:31:44 -04:00
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" Duplicate b's are just placeholders
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2006-10-28 23:44:12 -04:00
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let pairs = "b()B{}r[]a<>"
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let extraspace = ""
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if newchar =~ '^ '
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let newchar = strpart(newchar,1)
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let extraspace = ' '
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endif
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2006-10-27 20:31:44 -04:00
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let idx = stridx(pairs,newchar)
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if exists("b:surround_".char2nr(newchar))
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let before = matchstr(b:surround_{char2nr(newchar)},'.*\ze\n')
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let after = matchstr(b:surround_{char2nr(newchar)},'\n\zs.*')
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elseif exists("g:surround_".char2nr(newchar))
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let before = matchstr(g:surround_{char2nr(newchar)},'.*\ze\n')
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let after = matchstr(g:surround_{char2nr(newchar)},'\n\zs.*')
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elseif newchar == "p"
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let before = "\n"
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let after = "\n\n"
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2006-10-28 23:44:12 -04:00
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elseif newchar == "t" || newchar == "T" || newchar == "<"
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2006-10-27 20:31:44 -04:00
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let dounmapr = 0
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let dounmapb = 0
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if !mapcheck("<CR>","c")
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let dounmapr = 1
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cnoremap <CR> ><CR>
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endif
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if !mapcheck(">","c")
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let dounmapb= 1
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cnoremap > ><CR>
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endif
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2006-10-28 23:44:12 -04:00
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let default = ""
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if newchar == "T"
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let default = matchstr(@@,'<\zs.\{-\}\ze>')
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endif
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let tag = input("<",default)
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echo "<".substitute(tag,'>*$','>','')
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2006-10-27 20:31:44 -04:00
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if dounmapr
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silent! cunmap <CR>
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endif
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if dounmapb
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silent! cunmap >
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endif
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if tag != ""
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2006-10-28 23:44:12 -04:00
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let tag = substitute(tag,'>*$','','')
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2006-10-27 20:31:44 -04:00
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let before = "<".tag.">"
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let after = "</".substitute(tag," .*",'','').">"
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2006-10-28 23:44:12 -04:00
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endif
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elseif newchar == 'l' || newchar == '\'
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let dounmapr = 0
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if !mapcheck("<CR>","c")
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let dounmapr = 1
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cnoremap <silent> <CR> <C-R>=<SID>closematch()<CR><CR>
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endif
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let env = input('\begin','{')
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echo '\begin'.env
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if dounmapr
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silent! cunmap <CR>
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endif
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if env != ""
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let before = '\begin'.env
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let after = '\end'.matchstr(env,'[^}]*').'}'
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endif
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elseif newchar == 'f'
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let func = input('function: ')
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if func != ""
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let before = substitute(func,'($','','').'('
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let after = ')'
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2006-10-27 20:31:44 -04:00
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endif
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elseif idx >= 0
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let spc = (idx % 3) == 1 ? " " : ""
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let idx = idx / 3 * 3
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let before = strpart(pairs,idx+1,1) . spc
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let after = spc . strpart(pairs,idx+2,1)
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else
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let before = newchar
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let after = newchar
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endif
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if linemode || keeper =~ '\%^\s*\n'
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let before = substitute(before,'\s*\%$','','')
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endif
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if linemode || keeper =~ '\n\s*\%$'
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let after = substitute(after,'\%^\s*','','')
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endif
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if linemode
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let initspaces = matchstr(keeper,'\%^\s*')
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let keeper = initspaces.before."\n".keeper."\n".initspaces.after
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else
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2006-10-28 23:44:12 -04:00
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let keeper = before.extraspace.keeper.extraspace.after
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2006-10-27 20:31:44 -04:00
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endif
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return keeper
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endfunction " }}}1
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2006-10-28 23:44:12 -04:00
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function! s:insert(...) " {{{1
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" Optional argument causes the result to appear on 3 lines, not 1
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let linemode = a:0 ? a:1 : 0
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let char = s:inputreplacement()
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while char == "\<CR>"
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" TODO: use total count for additional blank lines
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let linemode = linemode + 1
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let char = s:inputreplacement()
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endwhile
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if char == ""
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return ""
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endif
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" We could just use null, but nooooo, that won't work
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let text = s:wrap("\1",char,0)
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if linemode
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return substitute(text,'\s*\%x01\s*',"\<CR>",'')."\<C-O>O"
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else
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let len = strlen(substitute(substitute(text,'.*\%x01','',''),'.','.','g'))
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let left = ""
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while len > 0
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let len = len - 1
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let left = left . "\<Left>"
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endwhile
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return substitute(text,'\%x01','','') . left
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endif
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endfunction " }}}1
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function! s:reindent() " {{{1
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2006-10-29 00:18:16 -04:00
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if (exists("b:surround_indent") || exists("g:surround_indent"))
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2006-10-28 23:44:12 -04:00
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silent norm! '[=']
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endif
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endfunction " }}}1
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2006-10-27 20:31:44 -04:00
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function! s:dosurround(...) " {{{1
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2006-10-29 00:18:16 -04:00
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let g:scount = v:count1
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let char = (a:0 ? a:1 : s:inputtarget())
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2006-10-29 00:18:16 -04:00
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let spc = ""
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if char =~ '^ '
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let char = strpart(char,1)
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let spc = 1
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endif
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2006-10-28 23:44:12 -04:00
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let newchar = ""
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if a:0 > 1
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let newchar = a:2
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if newchar == "\<Esc>" || newchar == "\<C-C>" || newchar == ""
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return s:beep()
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endif
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2006-10-27 20:31:44 -04:00
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endif
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let append = ""
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let original = @@
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let @@ = ""
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exe "norm di".char
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"exe "norm vi".char."d"
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let keeper = @@
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2006-10-29 00:18:16 -04:00
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let okeeper = keeper " for reindent below
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2006-10-27 20:31:44 -04:00
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if @@ == ""
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let @@ = original
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return ""
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endif
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let oldline = getline('.')
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let oldlnum = line('.')
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if char == "p"
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let append = matchstr(keeper,'\n*\%$')
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let keeper = substitute(keeper,'\n*\%$','','')
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let @@ = ""
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2006-10-28 23:44:12 -04:00
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elseif char == "s" || char == "w" || char == "W"
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2006-10-27 20:31:44 -04:00
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" Do nothing
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let @@ = ""
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elseif char =~ "[\"'`]"
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exe "norm! i \<Esc>d2i".char
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let @@ = substitute(@@,' ','','')
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else
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exe "norm! da".char
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endif
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let removed = @@
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let rem2 = substitute(removed,'\n.*','','')
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let oldhead = strpart(oldline,0,strlen(oldline)-strlen(rem2))
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let oldtail = strpart(oldline, strlen(oldline)-strlen(rem2))
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"let g:oldhead = oldhead
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"let g:oldtail = oldtail
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"let g:rem2 = rem2
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"let g:keeper = keeper
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let regtype = getregtype('"')
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2006-10-29 00:18:16 -04:00
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if char =~ '[\[({<]' || spc
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let keeper = substitute(keeper,'^\s\+','','')
|
|
|
|
let keeper = substitute(keeper,'\s\+$','','')
|
|
|
|
endif
|
2006-10-27 20:31:44 -04:00
|
|
|
if oldtail == rem2 && col('.') + 1 == col('$')
|
|
|
|
if oldhead =~# '^\s*$' && a:0 < 2
|
|
|
|
"let keeper = substitute(keeper,'\n\s*','\n','')
|
|
|
|
let keeper = substitute(keeper,oldhead.'\%$','','')
|
|
|
|
let keeper = substitute(keeper,'\%^\n'.oldhead.'\(\s*.\{-\}\)\n\s*\%$','\1','')
|
|
|
|
endif
|
|
|
|
let pcmd = "p"
|
|
|
|
else
|
|
|
|
if oldhead == "" && a:0 < 2
|
|
|
|
let keeper = substitute(keeper,'\%^\n\(.*\)\n\%$','\1','')
|
|
|
|
endif
|
|
|
|
let pcmd = "P"
|
|
|
|
endif
|
|
|
|
if line('.') < oldlnum && regtype == "V"
|
|
|
|
let pcmd = "p"
|
|
|
|
endif
|
|
|
|
if removed =~ '\n$'
|
|
|
|
let keeper = keeper."\n"
|
|
|
|
let removed = substitute(removed,'\n$','','')
|
|
|
|
endif
|
|
|
|
" Originally was done twice on purpose
|
|
|
|
"if removed =~ '\n'
|
|
|
|
"let keeper = keeper . "\n"
|
|
|
|
"let removed = substitute(removed,'\n','','')
|
|
|
|
"endif
|
|
|
|
"let g:removed = removed
|
|
|
|
if newchar != ""
|
|
|
|
let keeper = s:wrap(keeper,newchar,char == "p") . append
|
|
|
|
endif
|
|
|
|
let @@ = substitute(keeper,'\n\s+\n','\n\n','g')
|
|
|
|
call setreg('"','','a'.regtype)
|
|
|
|
silent exe "norm! ".(a:0 < 2 ? "" : "").pcmd.'`['
|
2006-10-29 00:18:16 -04:00
|
|
|
if removed =~ '\n' || okeeper =~ '\n'
|
|
|
|
call s:reindent()
|
|
|
|
endif
|
2006-10-27 20:31:44 -04:00
|
|
|
if getline('.') =~ '^\s\+$' && keeper =~ '^\s*\n'
|
|
|
|
silent norm! cc
|
|
|
|
endif
|
|
|
|
let @@ = removed
|
|
|
|
endfunction " }}}1
|
|
|
|
|
2006-10-28 23:44:12 -04:00
|
|
|
function! s:changesurround() " {{{1
|
|
|
|
let a = s:inputtarget()
|
|
|
|
if a == ""
|
|
|
|
return s:beep()
|
|
|
|
endif
|
|
|
|
let b = s:inputreplacement()
|
|
|
|
if b == ""
|
|
|
|
return s:beep()
|
|
|
|
endif
|
|
|
|
call s:dosurround(a,b)
|
|
|
|
endfunction " }}}1
|
2006-10-27 20:31:44 -04:00
|
|
|
|
|
|
|
function! s:opfunc(type) " {{{1
|
2006-10-28 23:44:12 -04:00
|
|
|
let char = s:inputreplacement()
|
|
|
|
if char == ""
|
2006-10-27 20:31:44 -04:00
|
|
|
return s:beep()
|
|
|
|
endif
|
|
|
|
let sel_save = &selection
|
|
|
|
let &selection = "inclusive"
|
|
|
|
let reg_save = @@
|
|
|
|
let linemode = (a:type == "line" || a:type == "V")
|
|
|
|
if a:type == "char"
|
|
|
|
silent norm! `[v`]y
|
|
|
|
elseif a:type == "line"
|
|
|
|
silent norm! '[V']y
|
|
|
|
elseif a:type == "v" || a:type == "V"
|
|
|
|
silent norm! gvy
|
|
|
|
elseif a:type =~ '^\d\+$'
|
|
|
|
silent exe 'norm! ^v'.a:type.'$hy'
|
|
|
|
else
|
|
|
|
let &selection = sel_save
|
|
|
|
return s:beep()
|
|
|
|
endif
|
|
|
|
let keeper = @@
|
|
|
|
let append = ""
|
|
|
|
if linemode
|
|
|
|
let append = matchstr(keeper,'\n*$')
|
|
|
|
let keeper = substitute(keeper,'\n*$','','')
|
|
|
|
else
|
|
|
|
let append = matchstr(keeper,'\s*$')
|
|
|
|
let keeper = substitute(keeper,'\s*$','','')
|
|
|
|
endif
|
|
|
|
let keeper = s:wrap(keeper,char,linemode) . append
|
|
|
|
let @@ = keeper
|
|
|
|
silent norm! gvp`[
|
2006-10-28 23:44:12 -04:00
|
|
|
if linemode
|
|
|
|
call s:reindent()
|
|
|
|
endif
|
2006-10-27 20:31:44 -04:00
|
|
|
let @@ = reg_save
|
|
|
|
let &selection = sel_save
|
|
|
|
endfunction " }}}1
|
|
|
|
|
2006-10-28 23:44:12 -04:00
|
|
|
function! s:closematch()
|
|
|
|
" Close an open (, {, [, or < on the command line.
|
|
|
|
let tail = matchstr(getcmdline(),'.[^\[\](){}<>]*$')
|
|
|
|
if tail =~ '^\[.\+'
|
|
|
|
return "]"
|
|
|
|
elseif tail =~ '^(.\+'
|
|
|
|
return ")"
|
|
|
|
elseif tail =~ '^{.\+'
|
|
|
|
return "}"
|
|
|
|
elseif tail =~ '^<.+'
|
|
|
|
return ">"
|
|
|
|
else
|
|
|
|
return ""
|
|
|
|
endif
|
|
|
|
endfunction
|
|
|
|
|
|
|
|
function! s:closedcmd()
|
|
|
|
let cm = s:closematch()
|
|
|
|
return getcmdline() . cm
|
2006-10-27 20:31:44 -04:00
|
|
|
endfunction
|
2006-10-28 23:44:12 -04:00
|
|
|
|
|
|
|
nnoremap <silent> <Plug>DSurround :call <SID>dosurround(<SID>inputtarget())<CR>
|
|
|
|
nnoremap <silent> <Plug>CSurround :call <SID>changesurround()<CR>
|
|
|
|
nnoremap <silent> <Plug>YSurround :set opfunc=<SID>opfunc<CR>g@
|
|
|
|
nnoremap <silent> <Plug>YSSurround :<C-U>call <SID>opfunc(v:count1)<CR>
|
|
|
|
vnoremap <silent> <Plug>VSurround :<C-U>call <SID>opfunc(visualmode())<CR>
|
|
|
|
inoremap <silent> <Plug>ISurround <C-R>=<SID>insert()<CR>
|
|
|
|
|
2006-10-27 20:31:44 -04:00
|
|
|
|
|
|
|
nmap ds <Plug>DSurround
|
|
|
|
nmap cs <Plug>CSurround
|
|
|
|
nmap ys <Plug>YSurround
|
2006-10-28 23:44:12 -04:00
|
|
|
nmap yss <Plug>YSSurround
|
2006-10-27 20:31:44 -04:00
|
|
|
if !hasmapto("<Plug>VSurround","v")
|
|
|
|
vmap s <Plug>VSurround
|
|
|
|
endif
|
2006-10-28 23:44:12 -04:00
|
|
|
if !hasmapto("<Plug>ISurround","i")
|
|
|
|
imap <C-S> <Plug>ISurround
|
|
|
|
endif
|
|
|
|
|
2006-10-27 20:31:44 -04:00
|
|
|
|
|
|
|
let &cpo = s:cpo_save
|
|
|
|
|