X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/b2c8143cd2f575012f16e60bba020e311e86097f..8853cbca8d956767e357540de792259f3922d15b:/ftplugin/mkd.vim diff --git a/ftplugin/mkd.vim b/ftplugin/mkd.vim index 9c07714..9d84c77 100644 --- a/ftplugin/mkd.vim +++ b/ftplugin/mkd.vim @@ -47,12 +47,12 @@ " 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. @@ -60,7 +60,7 @@ let s:levelRegexpDict = { " 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. @@ -300,30 +300,46 @@ function! s:Markdown_Toc(...) else let l:window_type = 'vertical' endif - silent vimgrep '^#' % + + try + 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('$')) - let l:line = getline(i) - let l:header = matchstr(l:line, '^#*') - let l:length = len(l:header) - let l:line = substitute(l:line, '\v^#*[ ]*', '', '') - let l:line = substitute(l:line, '\v[ ]*#*$', '', '') - let l:line = repeat(' ', (2 * l:length)) . l:line - call setline(i, l:line) + " 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 + let d.text = substitute(d.text, '\v^#*[ ]*', '', '') + let d.text = substitute(d.text, '\v[ ]*#*$', '', '') + " setex headers + else + let l:next_line = getbufline(bufname(d.bufnr), d.lnum+1) + if match(l:next_line, "=") > -1 + let l:level = 0 + elseif match(l:next_line, "-") > -1 + let l:level = 1 + endif + endif + call setline(i, repeat(' ', l:level). d.text) endfor - set nomodified - set nomodifiable + setlocal nomodified + setlocal nomodifiable normal! gg endfunction @@ -341,33 +357,183 @@ function! s:MapNormVis(rhs,lhs) execute 'vn ' . a:rhs . ' :call VisMove(''' . a:lhs . ''')' endfunction +" Convert Setex headers in range `line1 .. line2` to Atx. +" Returns the number of conversions. +function! s:SetexToAtx(line1, line2) + let l:originalNumLines = line('$') + 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 [FindLeftOfSyntax(a:lnum, a:col), FindRightOfSyntax(a:lnum, a:col)] +endfunction + +function! s:FindRightOfSyntax(lnum, col) + return FindCornerOfSyntax(a:lnum, a:col, 1) +endfunction + +function! s:FindLeftOfSyntax(lnum, col) + return 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] = 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] = FindNextSyntax(l:lnum, l:col, 'mkdURL') + else + return '' + endif + else + return '' + endif + + let [l:left, l:right] = 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 MapNormVis('Markdown_MoveToNextHeader', 'Markdown_MoveToNextHeader') +call MapNormVis('Markdown_MoveToPreviousHeader', 'Markdown_MoveToPreviousHeader') +call MapNormVis('Markdown_MoveToNextSiblingHeader', 'Markdown_MoveToNextSiblingHeader') +call MapNormVis('Markdown_MoveToPreviousSiblingHeader', 'Markdown_MoveToPreviousSiblingHeader') +call MapNormVis('Markdown_MoveToParentHeader', 'Markdown_MoveToParentHeader') +call MapNormVis('Markdown_MoveToCurHeader', 'Markdown_MoveToCurHeader') +nnoremap (OpenUrlUnderCursor) :call OpenUrlUnderCursor() + +if !get(g:, 'vim_markdown_no_default_key_mappings', 0) + nmap ]] Markdown_MoveToNextHeader + nmap [[ Markdown_MoveToPreviousHeader + nmap ][ Markdown_MoveToNextSiblingHeader + nmap [] Markdown_MoveToPreviousSiblingHeader + nmap ]u Markdown_MoveToParentHeader + nmap ]c Markdown_MoveToCurHeader + nmap gx OpenUrlUnderCursor -call MapNormVis('(Markdown_MoveToNextHeader)', 'Markdown_MoveToNextHeader') -call MapNormVis('(Markdown_MoveToPreviousHeader)', 'Markdown_MoveToPreviousHeader') -call MapNormVis('(Markdown_MoveToNextSiblingHeader)', 'Markdown_MoveToNextSiblingHeader') -call MapNormVis('(Markdown_MoveToPreviousSiblingHeader)', 'Markdown_MoveToPreviousSiblingHeader') -" Menmonic: Up -call MapNormVis('(Markdown_MoveToParentHeader)', 'Markdown_MoveToParentHeader') -" Menmonic: Current -call MapNormVis('(Markdown_MoveToCurHeader)', 'Markdown_MoveToCurHeader') - -if ! exists('g:vim_markdown_no_default_key_mappings') -\ || !g:vim_markdown_no_default_key_mappings - nmap ]] (Markdown_MoveToNextHeader) - nmap [[ (Markdown_MoveToPreviousHeader) - nmap ][ (Markdown_MoveToNextSiblingHeader) - nmap [] (Markdown_MoveToPreviousSiblingHeader) - nmap ]u (Markdown_MoveToParentHeader) - nmap ]c (Markdown_MoveToCurHeader) - - vmap ]] (Markdown_MoveToNextHeader) - vmap [[ (Markdown_MoveToPreviousHeader) - vmap ][ (Markdown_MoveToNextSiblingHeader) - vmap [] (Markdown_MoveToPreviousSiblingHeader) - vmap ]u (Markdown_MoveToParentHeader) - vmap ]c (Markdown_MoveToCurHeader) + vmap ]] Markdown_MoveToNextHeader + vmap [[ Markdown_MoveToPreviousHeader + vmap ][ Markdown_MoveToNextSiblingHeader + vmap [] Markdown_MoveToPreviousSiblingHeader + vmap ]u Markdown_MoveToParentHeader + vmap ]c Markdown_MoveToCurHeader endif +command! -buffer -range=% HeaderDecrease call s:HeaderDecrease(, ) +command! -buffer -range=% HeaderIncrease call s:HeaderDecrease(, , 1) +command! -buffer -range=% SetexToAtx call s:SetexToAtx(, ) +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')