vim/vim-exchange
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Tom McDonald 2013-12-06 13:45:08 -05:00
parent 366ead65a2
commit 6ff338e953
1 changed files with 31 additions and 31 deletions
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62
plugin/exchange.vim
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@ -1,31 +1,3 @@
function! s:exchange_set(type, ...)
if !exists('b:exchange')
let b:exchange = s:get_exchange(a:type, a:0)
else
let exchange1 = b:exchange
let exchange2 = s:get_exchange(a:type, a:0)
let cmp = s:compare(exchange1, exchange2)
if cmp == 0
echoerr "Exchange aborted: overlapping text"
elseif cmp > 0
let [exchange1, exchange2] = [exchange2, exchange1]
endif
call s:exchange(exchange1, exchange2)
call s:exchange_clear()
endif
endfunction
" Return -1 if x comes before y in buffer,
" 0 if x and y overlap in buffer,
" 1 if x comes after y in buffer
function! s:compare(x, y)
let [xs, xe, ys, ye] = [a:x[2], a:x[3], a:y[2], a:y[3]]
" TODO: Write this function
return -1
endfunction
function! s:exchange(x, y)
let a = getpos("'a")
let b = getpos("'b")
@ -46,7 +18,7 @@ function! s:exchange(x, y)
let @@ = reg
endfunction
function! s:get_exchange(type, vis)
function! s:exchange_get(type, vis)
let reg = @@
let selection = &selection
let &selection = 'inclusive'
@ -73,14 +45,42 @@ function! s:get_exchange(type, vis)
return [text, type, start, end]
endfunction
function! s:store_pos(start, end)
return [getpos(a:start), getpos(a:end)]
function! s:exchange_set(type, ...)
if !exists('b:exchange')
let b:exchange = s:exchange_get(a:type, a:0)
else
let exchange1 = b:exchange
let exchange2 = s:exchange_get(a:type, a:0)
let cmp = s:compare(exchange1, exchange2)
if cmp == 0
echoerr "Exchange aborted: overlapping text"
elseif cmp > 0
let [exchange1, exchange2] = [exchange2, exchange1]
endif
call s:exchange(exchange1, exchange2)
call s:exchange_clear()
endif
endfunction
function! s:exchange_clear()
unlet! b:exchange
endfunction
" Return -1 if x comes before y in buffer,
" 0 if x and y overlap in buffer,
" 1 if x comes after y in buffer
function! s:compare(x, y)
let [xs, xe, ys, ye] = [a:x[2], a:x[3], a:y[2], a:y[3]]
" TODO: Write this function
return -1
endfunction
function! s:store_pos(start, end)
return [getpos(a:start), getpos(a:end)]
endfunction
nnoremap <silent> <Plug>Exchange :<C-u>set opfunc=<SID>exchange_set<CR>g@
vnoremap <silent> <Plug>Exchange :<C-u>call <SID>exchange_set(visualmode(), 1)<CR>
nnoremap <silent> <Plug>ExchangeClear :<C-u>call <SID>exchange_clear()<CR>