235 lines
7.6 KiB
VimL
235 lines
7.6 KiB
VimL
"--------------------------------------------------------------------------------
|
|
"
|
|
" Copyright (c) 2010 Michael Smith <msmith@msmith.id.au>
|
|
"
|
|
" http://github.com/michaeljsmith/vim-indent-object
|
|
"
|
|
" Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
" of this software and associated documentation files (the "Software"), to
|
|
" deal in the Software without restriction, including without limitation the
|
|
" rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
|
|
" sell copies of the Software, and to permit persons to whom the Software is
|
|
" furnished to do so, subject to the following conditions:
|
|
"
|
|
" The above copyright notice and this permission notice shall be included in
|
|
" all copies or substantial portions of the Software.
|
|
"
|
|
" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
" IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
" FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
" AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
" LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
" FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
|
|
" IN THE SOFTWARE.
|
|
"
|
|
"--------------------------------------------------------------------------------
|
|
|
|
" Mappings excluding line below.
|
|
onoremap <silent>ai :<C-u>cal <Sid>HandleTextObjectMapping(0, 0, 0, [line("."), line("."), col("."), col(".")])<CR>
|
|
onoremap <silent>ii :<C-u>cal <Sid>HandleTextObjectMapping(1, 0, 0, [line("."), line("."), col("."), col(".")])<CR>
|
|
vnoremap <silent>ai :<C-u>cal <Sid>HandleTextObjectMapping(0, 0, 1, [line("'<"), line("'>"), col("'<"), col("'>")])<CR><Esc>gv
|
|
vnoremap <silent>ii :<C-u>cal <Sid>HandleTextObjectMapping(1, 0, 1, [line("'<"), line("'>"), col("'<"), col("'>")])<CR><Esc>gv
|
|
|
|
" Mappings including line below.
|
|
onoremap <silent>aI :<C-u>cal <Sid>HandleTextObjectMapping(0, 1, 0, [line("."), line("."), col("."), col(".")])<CR>
|
|
onoremap <silent>iI :<C-u>cal <Sid>HandleTextObjectMapping(1, 1, 0, [line("."), line("."), col("."), col(".")])<CR>
|
|
vnoremap <silent>aI :<C-u>cal <Sid>HandleTextObjectMapping(0, 1, 1, [line("'<"), line("'>"), col("'<"), col("'>")])<CR><Esc>gv
|
|
vnoremap <silent>iI :<C-u>cal <Sid>HandleTextObjectMapping(1, 1, 1, [line("'<"), line("'>"), col("'<"), col("'>")])<CR><Esc>gv
|
|
|
|
let s:l0 = -1
|
|
let s:l1 = -1
|
|
let s:c0 = -1
|
|
let s:c1 = -1
|
|
|
|
if !exists("g:indent_object_except_first_level")
|
|
let g:indent_object_except_first_level = 1
|
|
endif
|
|
|
|
function! <Sid>TextObject(inner, incbelow, vis, range, count)
|
|
|
|
" Record the current state of the visual region.
|
|
let vismode = "V"
|
|
|
|
" Detect if this is a completely new visual selction session.
|
|
let new_vis = 0
|
|
let new_vis = new_vis || s:l0 != a:range[0]
|
|
let new_vis = new_vis || s:l1 != a:range[1]
|
|
let new_vis = new_vis || s:c0 != a:range[2]
|
|
let new_vis = new_vis || s:c1 != a:range[3]
|
|
|
|
let s:l0 = a:range[0]
|
|
let s:l1 = a:range[1]
|
|
let s:c0 = a:range[2]
|
|
let s:c1 = a:range[3]
|
|
|
|
" Repeatedly increase the scope of the selection.
|
|
let itr_cnt = 0
|
|
let cnt = a:count
|
|
while cnt > 0
|
|
|
|
" Look for the minimum indentation in the current visual region.
|
|
let l = s:l0
|
|
let idnt_invalid = 1000
|
|
let idnt = idnt_invalid
|
|
while l <= s:l1
|
|
if !(getline(l) =~ "^\\s*$")
|
|
let idnt = min([idnt, indent(l)])
|
|
endif
|
|
let l += 1
|
|
endwhile
|
|
|
|
" Keep track of where the range should be expanded to.
|
|
let l_1 = s:l0
|
|
let l_1o = l_1
|
|
let l2 = s:l1
|
|
let l2o = l2
|
|
|
|
" If we are highlighting only blank lines, we may not have found a
|
|
" valid indent. In this case we need to look for the next and previous
|
|
" non blank lines and check which of those has the largest indent.
|
|
if idnt == idnt_invalid
|
|
let idnt = 0
|
|
let pnb = prevnonblank(s:l0)
|
|
if pnb
|
|
let idnt = max([idnt, indent(pnb)])
|
|
let l_1 = pnb
|
|
endif
|
|
let nnb = nextnonblank(s:l0)
|
|
if nnb
|
|
let idnt = max([idnt, indent(nnb)])
|
|
endif
|
|
|
|
" If we are in whitespace at the beginning of a block, skip over
|
|
" it when we are selecting the range. Similarly, if we are in
|
|
" whitespace at the end, ignore it.
|
|
if idnt > indent(pnb)
|
|
let l_1 = nnb
|
|
endif
|
|
if idnt > indent(nnb)
|
|
let l2 = pnb
|
|
endif
|
|
endif
|
|
|
|
" Search backward for the first line with less indent than the target
|
|
" indent (skipping blank lines).
|
|
let blnk = getline(l_1) =~ "^\\s*$"
|
|
while l_1 > 0 && (blnk || indent(l_1) >= idnt)
|
|
if g:indent_object_except_first_level && idnt == 0 && blnk
|
|
break
|
|
endif
|
|
if !blnk || !a:inner
|
|
let l_1o = l_1
|
|
endif
|
|
let l_1 -= 1
|
|
let blnk = getline(l_1) =~ "^\\s*$"
|
|
endwhile
|
|
|
|
" Search forward for the first line with more indent than the target
|
|
" indent (skipping blank lines).
|
|
let line_cnt = line("$")
|
|
let blnk = getline(l2) =~ "^\\s*$"
|
|
while l2 <= line_cnt && (blnk || indent(l2) >= idnt)
|
|
if g:indent_object_except_first_level && idnt == 0 && blnk
|
|
break
|
|
endif
|
|
if !blnk || !a:inner
|
|
let l2o = l2
|
|
endif
|
|
let l2 += 1
|
|
let blnk = getline(l2) =~ "^\\s*$"
|
|
endwhile
|
|
|
|
" Determine which of these extensions to include. Include neither if
|
|
" we are selecting an 'inner' object. Exclude the bottom unless are
|
|
" told to include it.
|
|
let idnt2 = max([indent(l_1), indent(l2)])
|
|
if indent(l_1) < idnt2 || a:inner
|
|
let l_1 = l_1o
|
|
endif
|
|
if indent(l2) < idnt2 || a:inner || !a:incbelow
|
|
let l2 = l2o
|
|
endif
|
|
let l_1 = max([l_1, 1])
|
|
let l2 = min([l2, line("$")])
|
|
|
|
" Extend the columns to the start and end.
|
|
" If inner is selected, set the final cursor pos to the start
|
|
" of the text in the line.
|
|
let c_1 = 1
|
|
if a:inner
|
|
let c_1 = match(getline(l_1), "\\c\\S") + 1
|
|
endif
|
|
let c2 = len(getline(l2))
|
|
if !a:inner
|
|
let c2 += 1
|
|
endif
|
|
|
|
" Make sure there's no change if we haven't really made a
|
|
" significant change in linewise mode - this makes sure that
|
|
" we can iteratively increase selection in linewise mode.
|
|
if itr_cnt == 0 && vismode ==# 'V' && s:l0 == l_1 && s:l1 == l2
|
|
let c_1 = s:c0
|
|
let c2 = s:c1
|
|
endif
|
|
|
|
" Check whether the visual region has changed.
|
|
let chg = 0
|
|
let chg = chg || s:l0 != l_1
|
|
let chg = chg || s:l1 != l2
|
|
let chg = chg || s:c0 != c_1
|
|
let chg = chg || s:c1 != c2
|
|
|
|
if vismode ==# 'V' && new_vis
|
|
let chg = 1
|
|
endif
|
|
|
|
" Update the vars.
|
|
let s:l0 = l_1
|
|
let s:l1 = l2
|
|
let s:c0 = c_1
|
|
let s:c1 = c2
|
|
|
|
" If there was no change, then don't decrement the count (it didn't
|
|
" count because it didn't do anything).
|
|
if chg
|
|
let cnt = cnt - 1
|
|
else
|
|
" Since this didn't work, push the selection back one char. This
|
|
" will have the effect of getting the enclosing block. Do it at
|
|
" the beginning rather than the end - the beginning is very likely
|
|
" to be only one indentation level different.
|
|
if s:l0 == 0
|
|
return
|
|
endif
|
|
let s:l0 -= 1
|
|
let s:c0 = len(getline(s:l0))
|
|
endif
|
|
|
|
let itr_cnt += 1
|
|
|
|
endwhile
|
|
|
|
" Apply the range we have found. Make sure to use the current visual mode.
|
|
call cursor(s:l0, s:c0)
|
|
exe "normal! " . vismode
|
|
call cursor(s:l1, s:c1)
|
|
normal! o
|
|
|
|
" Update these static variables - we need to keep these up-to-date between
|
|
" invocations because it's the only way we can detect whether it's a new
|
|
" visual mode. We need to know if it's a new visual mode because otherwise
|
|
" if there's a single line block in visual line mode and we select it with
|
|
" "V", we can't tell whether it's already been selected using Vii.
|
|
exe "normal! \<Esc>"
|
|
let s:l0 = line("'<")
|
|
let s:l1 = line("'>")
|
|
let s:c0 = col("'<")
|
|
let s:c1 = col("'>")
|
|
normal gv0o0
|
|
|
|
endfunction
|
|
|
|
function! <Sid>HandleTextObjectMapping(inner, incbelow, vis, range)
|
|
call <Sid>TextObject(a:inner, a:incbelow, a:vis, a:range, v:count1)
|
|
endfunction
|