+" Convert Setex headers in range `line1 .. line2` to Atx.
+" Returns the number of conversions.
+function! s:SetexToAtx(line1, line2)
+ let l:originalNumLines = line('$')
+ execute 'silent! ' . a:line1 . ',' . a:line2 . 'substitute/\v(.*\S.*)\n\=+$/# \1/'
+ execute 'silent! ' . a:line1 . ',' . a:line2 . 'substitute/\v(.*\S.*)\n-+$/## \1/'
+ return l:originalNumLines - line('$')
+endfunction
+
+" If `a:1` is 0, decrease the level of all headers in range `line1 .. line2`.
+" Otherwise, increase the level. `a:1` defaults to `0`.
+function! s:HeaderDecrease(line1, line2, ...)
+ if a:0 > 0
+ let l:increase = a:1
+ else
+ let l:increase = 0
+ endif
+ if l:increase
+ let l:forbiddenLevel = 6
+ let l:replaceLevels = [5, 1]
+ let l:levelDelta = 1
+ else
+ let l:forbiddenLevel = 1
+ let l:replaceLevels = [2, 6]
+ let l:levelDelta = -1
+ endif
+ for l:line in range(a:line1, a:line2)
+ if join(getline(l:line, l:line + 1), "\n") =~ s:levelRegexpDict[l:forbiddenLevel]
+ echomsg 'There is an h' . l:forbiddenLevel . ' at line ' . l:line . '. Aborting.'
+ return
+ endif
+ endfor
+ let l:numSubstitutions = s:SetexToAtx(a:line1, a:line2)
+ for l:level in range(replaceLevels[0], replaceLevels[1], -l:levelDelta)
+ execute 'silent! ' . a:line1 . ',' . (a:line2 - l:numSubstitutions) . 'substitute/' . s:levelRegexpDict[l:level] . '/' . repeat('#', l:level + l:levelDelta) . '\1/g'
+ endfor
+endfunction
+
+" Format table under cursor.
+" Depends on Tabularize.
+function! s:TableFormat()
+ let l:pos = getpos('.')
+ normal! {
+ " Search instead of `normal! j` because of the table at beginning of file edge case.
+ call search('|')
+ normal! j
+ " Remove everything that is not a pipe othewise well formated tables would grow
+ " because of addition of 2 spaces on the separator line by Tabularize /|.
+ s/[^|]//g
+ Tabularize /|
+ s/ /-/g
+ call setpos('.', l:pos)
+endfunction