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" Align currency on decimal point.
function! beancount#align_commodity(line1, line2)
" Saving cursor position to adjust it if necessary.
let cursor_col = col('.')
let cursor_line = line('.')
" This matches the line up to the first dot (or other separator),
" excluding comments.
" Note very nomagic so that the separator is not interpreted as regex.
let separator_regex = '^\V\[^;]\{-}' . g:beancount_decimal_separator
" This lets me increment at start of loop, because of continue statements.
let i = a:line1 - 1
while i < a:line2
let i += 1
let s = getline(i)
" This matches an account name followed by a space. There may be
" some conflicts with non-transaction syntax that I don't know about.
" It won't match a comment or any non-indented line.
let end_acc = matchend(s, '^\v([-\d]+\s+(balance|price))? +\S+ ')
if end_acc < 0 | continue | endif
" Where does commodity amount begin?
let end_space = matchend(s, '^ *', end_acc)
" Find the first decimal point, not counting comments.
let separator = matchend(s, separator_regex, end_space)
if separator < 0
" If there is no separator, pretend there's one after the last digit.
let separator = matchend(s, '^\v[^;]*\d+') + 1
endif
if separator < 0 | continue | endif
let has_spaces = end_space - end_acc
let need_spaces = g:beancount_separator_col - separator + has_spaces
if need_spaces < 0 | continue | endif
call setline(i, s[0 : end_acc - 1] . repeat(" ", need_spaces) . s[ end_space : -1])
if i == cursor_line && cursor_col >= end_acc
" Adjust cursor position for continuity.
call cursor(0, cursor_col + need_spaces - has_spaces)
endif
endwhile
endfunction
" Complete account name.
function! beancount#complete_account(findstart, base)
if a:findstart
let l:col = searchpos('\s\zs', "bn", line("."))[1]
if col == 0
return -1
else
return col
endif
endif
let l:pattern = '^\V\.\{10\}\s\+open\s\+\zs\S\*' .
\ substitute(a:base, ":", '\\S\\*:\\S\\*', "g")
let l:view = winsaveview()
let l:fe = &foldenable
set nofoldenable
call cursor(1, 1)
let l:matches = []
while 1
let l:cline = search(pattern, "W")
if l:cline == 0 | break | endif
call add(matches, expand("<cWORD>"))
endwhile
let &foldenable = l:fe
call winrestview(l:view)
return l:matches
endfunction
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