" For each level, contains the regexp that matches at that level only.
let s:levelRegexpDict = {
- \ 1: '\v^(\s*#[^#]|.+\n\=+$)',
- \ 2: '\v^(\s*##[^#]|.+\n-+$)',
- \ 3: '\v^\s*###[^#]',
- \ 4: '\v^\s*####[^#]',
- \ 5: '\v^\s*#####[^#]',
- \ 6: '\v^\s*######[^#]'
+ \ 1: '\v^(#[^#]@=|.+\n\=+$)',
+ \ 2: '\v^(##[^#]@=|.+\n-+$)',
+ \ 3: '\v^###[^#]@=',
+ \ 4: '\v^####[^#]@=',
+ \ 5: '\v^#####[^#]@=',
+ \ 6: '\v^######[^#]@='
\ }
" Maches any header level of any type.
" This could be deduced from `s:levelRegexpDict`, but it is more
" efficient to have a single regexp for this.
"
-let s:headersRegexp = '\v^(\s*#|.+\n(\=+|-+)$)'
+let s:headersRegexp = '\v^(#|.+\n(\=+|-+)$)'
" Returns the line number of the first header before `line`, called the
" current header.
endif
try
- silent vimgrep /\(^\S.*\(\n[=-]\+\)\@=\|^#\+\)/ %
+ silent lvimgrep /\(^\S.*\(\n[=-]\+\n\)\@=\|^#\+\)/ %
catch /E480/
echom "Toc: No headers."
return
endtry
if l:window_type ==# 'horizontal'
- copen
+ lopen
elseif l:window_type ==# 'vertical'
- vertical copen
+ vertical lopen
let &winwidth=(&columns/2)
elseif l:window_type ==# 'tab'
- tab copen
+ tab lopen
else
- copen
+ lopen
endif
- set modifiable
- %s/\v^([^|]*\|){2,2} #//
+ setlocal modifiable
for i in range(1, line('$'))
- " this is the quickfix data for the current item
- let d = getqflist()[i-1]
+ " this is the location-list data for the current item
+ let d = getloclist(0)[i-1]
" atx headers
if match(d.text, "^#") > -1
let l:level = len(matchstr(d.text, '#*', 'g'))-1
endif
call setline(i, repeat(' ', l:level). d.text)
endfor
- set nomodified
- set nomodifiable
+ setlocal nomodified
+ setlocal nomodifiable
normal! gg
endfunction
execute 'vn <buffer><silent> ' . a:rhs . ' <esc>:call <sid>VisMove(''' . a:lhs . ''')<cr>'
endfunction
+" Convert Setex headers in range `line1 .. line2` to Atx.
+" Returns the number of conversions.
+function! s:SetexToAtx(line1, line2)
+ let l:originalNumLines = line('$')
+ 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) . '/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
+
+" Parameters:
+"
+" - step +1 for right, -1 for left
+"
+" TODO: multiple lines.
+"
+function! s:FindCornerOfSyntax(lnum, col, step)
+ let l:col = a:col
+ let l:syn = synIDattr(synID(a:lnum, l:col, 1), 'name')
+ while synIDattr(synID(a:lnum, l:col, 1), 'name') ==# l:syn
+ let l:col += a:step
+ endwhile
+ return l:col - a:step
+endfunction
+
+" Return the next position of the given syntax name,
+" inclusive on the given position.
+"
+" TODO: multiple lines
+"
+function! s:FindNextSyntax(lnum, col, name)
+ let l:col = a:col
+ let l:step = 1
+ while synIDattr(synID(a:lnum, l:col, 1), 'name') !=# a:name
+ let l:col += l:step
+ endwhile
+ return [a:lnum, l:col]
+endfunction
+
+function! s:FindCornersOfSyntax(lnum, col)
+ return [<sid>FindLeftOfSyntax(a:lnum, a:col), <sid>FindRightOfSyntax(a:lnum, a:col)]
+endfunction
+
+function! s:FindRightOfSyntax(lnum, col)
+ return <sid>FindCornerOfSyntax(a:lnum, a:col, 1)
+endfunction
+
+function! s:FindLeftOfSyntax(lnum, col)
+ return <sid>FindCornerOfSyntax(a:lnum, a:col, -1)
+endfunction
+
+" Returns:
+"
+" - a string with the the URL for the link under the cursor
+" - an empty string if the cursor is not on a link
+"
+" `b:` instead of `s:` to make it testable.
+"
+" TODO
+"
+" - multiline support
+" - give an error if the separator does is not on a link
+"
+function! b:Markdown_GetUrlForPosition(lnum, col)
+ let l:lnum = a:lnum
+ let l:col = a:col
+ let l:syn = synIDattr(synID(l:lnum, l:col, 1), 'name')
+
+ if l:syn ==# 'mkdInlineURL' || l:syn ==# 'mkdURL' || l:syn ==# 'mkdLinkDefTarget'
+ " Do nothing.
+ elseif l:syn ==# 'mkdLink'
+ let [l:lnum, l:col] = <sid>FindNextSyntax(l:lnum, l:col, 'mkdURL')
+ let l:syn = 'mkdURL'
+ elseif l:syn ==# 'mkdDelimiter'
+ let l:line = getline(l:lnum)
+ let l:char = l:line[col - 1]
+ if l:char ==# '<'
+ let l:col += 1
+ elseif l:char ==# '>' || l:char ==# ')'
+ let l:col -= 1
+ elseif l:char ==# '[' || l:char ==# ']' || l:char ==# '('
+ let [l:lnum, l:col] = <sid>FindNextSyntax(l:lnum, l:col, 'mkdURL')
+ else
+ return ''
+ endif
+ else
+ return ''
+ endif
+
+ let [l:left, l:right] = <sid>FindCornersOfSyntax(l:lnum, l:col)
+ return getline(l:lnum)[l:left - 1 : l:right - 1]
+endfunction
+
+" Front end for GetUrlForPosition.
+"
+function! s:OpenUrlUnderCursor()
+ let l:url = b:Markdown_GetUrlForPosition(line('.'), col('.'))
+ if l:url != ''
+ call netrw#NetrwBrowseX(l:url, 0)
+ else
+ echomsg 'The cursor is not on a link.'
+ endif
+endfunction
+
+call <sid>MapNormVis('<Plug>Markdown_MoveToNextHeader', '<sid>Markdown_MoveToNextHeader')
+call <sid>MapNormVis('<Plug>Markdown_MoveToPreviousHeader', '<sid>Markdown_MoveToPreviousHeader')
+call <sid>MapNormVis('<Plug>Markdown_MoveToNextSiblingHeader', '<sid>Markdown_MoveToNextSiblingHeader')
+call <sid>MapNormVis('<Plug>Markdown_MoveToPreviousSiblingHeader', '<sid>Markdown_MoveToPreviousSiblingHeader')
+call <sid>MapNormVis('<Plug>Markdown_MoveToParentHeader', '<sid>Markdown_MoveToParentHeader')
+call <sid>MapNormVis('<Plug>Markdown_MoveToCurHeader', '<sid>Markdown_MoveToCurHeader')
+nnoremap <Plug>(OpenUrlUnderCursor) :call <sid>OpenUrlUnderCursor()<cr>
+
+if !get(g:, 'vim_markdown_no_default_key_mappings', 0)
+ nmap <buffer> ]] <Plug>Markdown_MoveToNextHeader
+ nmap <buffer> [[ <Plug>Markdown_MoveToPreviousHeader
+ nmap <buffer> ][ <Plug>Markdown_MoveToNextSiblingHeader
+ nmap <buffer> [] <Plug>Markdown_MoveToPreviousSiblingHeader
+ nmap <buffer> ]u <Plug>Markdown_MoveToParentHeader
+ nmap <buffer> ]c <Plug>Markdown_MoveToCurHeader
+ nmap <buffer> gx <Plug>OpenUrlUnderCursor
-call <sid>MapNormVis('<Plug>(Markdown_MoveToNextHeader)', '<sid>Markdown_MoveToNextHeader')
-call <sid>MapNormVis('<Plug>(Markdown_MoveToPreviousHeader)', '<sid>Markdown_MoveToPreviousHeader')
-call <sid>MapNormVis('<Plug>(Markdown_MoveToNextSiblingHeader)', '<sid>Markdown_MoveToNextSiblingHeader')
-call <sid>MapNormVis('<Plug>(Markdown_MoveToPreviousSiblingHeader)', '<sid>Markdown_MoveToPreviousSiblingHeader')
-" Menmonic: Up
-call <sid>MapNormVis('<Plug>(Markdown_MoveToParentHeader)', '<sid>Markdown_MoveToParentHeader')
-" Menmonic: Current
-call <sid>MapNormVis('<Plug>(Markdown_MoveToCurHeader)', '<sid>Markdown_MoveToCurHeader')
-
-if ! exists('g:vim_markdown_no_default_key_mappings')
-\ || !g:vim_markdown_no_default_key_mappings
- nmap ]] <Plug>(Markdown_MoveToNextHeader)
- nmap [[ <Plug>(Markdown_MoveToPreviousHeader)
- nmap ][ <Plug>(Markdown_MoveToNextSiblingHeader)
- nmap [] <Plug>(Markdown_MoveToPreviousSiblingHeader)
- nmap ]u <Plug>(Markdown_MoveToParentHeader)
- nmap ]c <Plug>(Markdown_MoveToCurHeader)
-
- vmap ]] <Plug>(Markdown_MoveToNextHeader)
- vmap [[ <Plug>(Markdown_MoveToPreviousHeader)
- vmap ][ <Plug>(Markdown_MoveToNextSiblingHeader)
- vmap [] <Plug>(Markdown_MoveToPreviousSiblingHeader)
- vmap ]u <Plug>(Markdown_MoveToParentHeader)
- vmap ]c <Plug>(Markdown_MoveToCurHeader)
+ vmap <buffer> ]] <Plug>Markdown_MoveToNextHeader
+ vmap <buffer> [[ <Plug>Markdown_MoveToPreviousHeader
+ vmap <buffer> ][ <Plug>Markdown_MoveToNextSiblingHeader
+ vmap <buffer> [] <Plug>Markdown_MoveToPreviousSiblingHeader
+ vmap <buffer> ]u <Plug>Markdown_MoveToParentHeader
+ vmap <buffer> ]c <Plug>Markdown_MoveToCurHeader
endif
+command! -buffer -range=% HeaderDecrease call s:HeaderDecrease(<line1>, <line2>)
+command! -buffer -range=% HeaderIncrease call s:HeaderDecrease(<line1>, <line2>, 1)
+command! -buffer -range=% SetexToAtx call s:SetexToAtx(<line1>, <line2>)
+command! -buffer TableFormat call s:TableFormat()
command! -buffer Toc call s:Markdown_Toc()
command! -buffer Toch call s:Markdown_Toc('horizontal')
command! -buffer Tocv call s:Markdown_Toc('vertical')