130 lines
4.7 KiB
VimL
130 lines
4.7 KiB
VimL
let s:sigil = nr2char(31)
|
|
let snipmate#legacy#sigil = s:sigil
|
|
|
|
" Prepare snippet to be processed by s:BuildTabStops
|
|
function! snipmate#legacy#process_snippet(snip)
|
|
let snippet = a:snip
|
|
let esc_bslash = '\%(\\\@<!\%(\\\\\)*\)\@<='
|
|
|
|
if exists('b:snipmate_visual')
|
|
let visual = substitute(b:snipmate_visual, "\n$", '', '')
|
|
unlet b:snipmate_visual
|
|
else
|
|
let visual = ''
|
|
endif
|
|
let snippet = substitute(snippet, '\n\(\t\+\).\{-\}\zs{VISUAL}',
|
|
\ substitute(escape(visual, '%\'), "\n", "\n\\\\1", 'g'), 'g')
|
|
|
|
" Evaluate eval (`...`) expressions.
|
|
" Backquotes prefixed with a backslash "\" are ignored.
|
|
" And backslash can be escaped by doubling it.
|
|
" Using a loop here instead of a regex fixes a bug with nested "\=".
|
|
if stridx(snippet, '`') != -1
|
|
let new = []
|
|
let snip = split(snippet, esc_bslash . '`', 1)
|
|
let isexp = 0
|
|
for i in snip
|
|
if isexp
|
|
call add(new, substitute(eval(i), "\n\\%$", '', ''))
|
|
else
|
|
call add(new, i)
|
|
endif
|
|
let isexp = !isexp
|
|
endfor
|
|
let snippet = join(new, '')
|
|
let snippet = substitute(snippet, "\r", "\n", 'g')
|
|
let snippet = substitute(snippet, '\\`', "`", 'g')
|
|
endif
|
|
|
|
" Place all text after a colon in a tab stop after the tab stop
|
|
" (e.g. "${#:foo}" becomes "${:foo}foo").
|
|
" This helps tell the position of the tab stops later.
|
|
let snippet = substitute(snippet, esc_bslash . '\$\({\d\+:\(.\{-}\)}\|{\d\+}\)', s:sigil . '\1\2', 'g')
|
|
let snippet = substitute(snippet, esc_bslash . '\$\(\d\+\)', s:sigil . '\1', 'g')
|
|
let snippet = substitute(snippet, esc_bslash . '\\\$', '$', 'g')
|
|
let snippet = substitute(snippet, '\\\\', "\\", 'g')
|
|
|
|
" Update the a:snip so that all the $# become the text after
|
|
" the colon in their associated ${#}.
|
|
" (e.g. "${1:foo}" turns all "$1"'s into "foo")
|
|
let i = 0
|
|
if snippet !~ s:sigil . '{0'
|
|
let snippet .= s:sigil . '{0}'
|
|
endif
|
|
while snippet =~ s:sigil.'{'.i
|
|
let s = matchstr(snippet, s:sigil . '{' . i . ':\zs.\{-}\ze}')
|
|
if s != ''
|
|
let snippet = substitute(snippet, s:sigil . i, s.'&', 'g')
|
|
endif
|
|
let i += 1
|
|
endw
|
|
|
|
if &et " Expand tabs to spaces if 'expandtab' is set.
|
|
return substitute(snippet, '\t', repeat(' ', (&sts > 0) ? &sts : &sw), 'g')
|
|
endif
|
|
return snippet
|
|
endfunction
|
|
|
|
" Builds a list of a list of each tab stop in the snippet containing:
|
|
" 1.) The tab stop's line number.
|
|
" 2.) The tab stop's column number
|
|
" (by getting the length of the string between the last "\n" and the
|
|
" tab stop).
|
|
" 3.) The length of the text after the colon for the current tab stop
|
|
" (e.g. "${1:foo}" would return 3).
|
|
" 4.) If the "${#:}" construct is given, another list containing all
|
|
" the matches of "$#", to be replaced with the placeholder. This list is
|
|
" composed the same way as the parent; the first item is the line number,
|
|
" and the second is the column.
|
|
function! snipmate#legacy#build_stops(snip, lnum, col, indent)
|
|
let stops = {}
|
|
let i = 0
|
|
let withoutVars = substitute(a:snip, s:sigil . '\d\+', '', 'g')
|
|
while a:snip =~ s:sigil . '{' . i
|
|
let beforeTabStop = matchstr(withoutVars, '^.*\ze'.s:sigil .'{'.i.'\D')
|
|
let withoutOthers = substitute(withoutVars, ''.s:sigil .'{\('.i.'\D\)\@!\d\+.\{-}}', '', 'g')
|
|
|
|
let stops[i] = {}
|
|
let stops[i].line = a:lnum + s:count(beforeTabStop, "\n")
|
|
let stops[i].col = a:indent + len(matchstr(withoutOthers, '.*\(\n\|^\)\zs.*\ze'.s:sigil .'{'.i.'\D'))
|
|
let stops[i].placeholder = 0
|
|
let stops[i].mirrors = []
|
|
if stops[i].line == a:lnum
|
|
let stops[i].col += a:col
|
|
endif
|
|
|
|
" Get all $# matches in another list, if ${#:name} is given
|
|
if withoutVars =~ printf('%s{%d:', s:sigil, i)
|
|
let stops[i].placeholder = len(matchstr(withoutVars, ''.s:sigil .'{'.i.':\zs.\{-}\ze}'))
|
|
let withoutOthers = substitute(a:snip, ''.s:sigil .'{\d\+.\{-}}\|'.s:sigil .''.i.'\@!\d\+', '', 'g')
|
|
|
|
while match(withoutOthers, ''.s:sigil .''.i.'\(\D\|$\)') != -1
|
|
let stops[i].mirrors = get(stops[i], 'mirrors', [])
|
|
let beforeMark = matchstr(withoutOthers,
|
|
\ printf('^.\{-}\ze%s%s%d\(\D\|$\)',
|
|
\ repeat('.', stops[i].placeholder), s:sigil, i))
|
|
let line = a:lnum + s:count(beforeMark, "\n")
|
|
let col = a:indent + (line > a:lnum
|
|
\ ? len(matchstr(beforeMark, '.*\n\zs.*'))
|
|
\ : a:col + len(beforeMark))
|
|
call add(stops[i].mirrors, { 'line' : line, 'col' : col })
|
|
let withoutOthers = substitute(withoutOthers, ''.s:sigil .''.i.'\ze\(\D\|$\)', '', '')
|
|
endw
|
|
endif
|
|
let i += 1
|
|
endw
|
|
let stops[i] = stops[0]
|
|
return [stops, i + 1]
|
|
endfunction
|
|
|
|
" Counts occurences of haystack in needle
|
|
function! s:count(haystack, needle)
|
|
let counter = 0
|
|
let index = stridx(a:haystack, a:needle)
|
|
while index != -1
|
|
let index = stridx(a:haystack, a:needle, index+1)
|
|
let counter += 1
|
|
endw
|
|
return counter
|
|
endfunction
|