Remove parenthesis from <Plug> maps

[etc/vim.git] / ftplugin / mkd.vim

diff --git a/ftplugin/mkd.vim b/ftplugin/mkd.vim
index ee861e7dc2ea4921e2eb8de2c9a33714d56e1997..9d84c7724d7f4eb2a13924282c65ed7048b92126 100644 (file)
--- 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 = {
 
 " For each level, contains the regexp that matches at that level only.
 let s:levelRegexpDict = {

-    \ 1: '\v^(#[^#]|.+\n\=+$)',
-    \ 2: '\v^(##[^#]|.+\n-+$)',
-    \ 3: '\v^###[^#]',
-    \ 4: '\v^####[^#]',
-    \ 5: '\v^#####[^#]',
-    \ 6: '\v^######[^#]'
+    \ 1: '\v^(#[^#]@=|.+\n\=+$)',
+    \ 2: '\v^(##[^#]@=|.+\n-+$)',
+    \ 3: '\v^###[^#]@=',
+    \ 4: '\v^####[^#]@=',
+    \ 5: '\v^#####[^#]@=',
+    \ 6: '\v^######[^#]@='

 \ }
 
 " Maches any header level of any type.
 \ }
 
 " Maches any header level of any type.


@@ -302,27 +302,26 @@ function! s:Markdown_Toc(...)
     endif
 
     try
     endif
 
     try

-        silent vimgrep /\(^\S.*\(\n[=-]\+\)\@=\|^#\+\)/ %
+        silent lvimgrep /\(^\S.*\(\n[=-]\+\n\)\@=\|^#\+\)/ %

     catch /E480/
         echom "Toc: No headers."
         return
     endtry
 
     if l:window_type ==# 'horizontal'
     catch /E480/
         echom "Toc: No headers."
         return
     endtry
 
     if l:window_type ==# 'horizontal'

-        copen
+        lopen

     elseif l:window_type ==# 'vertical'
     elseif l:window_type ==# 'vertical'

-        vertical copen
+        vertical lopen

         let &winwidth=(&columns/2)
     elseif l:window_type ==# 'tab'
         let &winwidth=(&columns/2)
     elseif l:window_type ==# 'tab'

-        tab copen
+        tab lopen

     else
     else

-        copen
+        lopen

     endif
     endif

-    set modifiable
-    %s/\v^([^|]*\|){2,2} #//
+    setlocal modifiable

     for i in range(1, line('$'))
     for i in range(1, line('$'))

-        " 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
         " atx headers
         if match(d.text, "^#") > -1
             let l:level = len(matchstr(d.text, '#*', 'g'))-1


@@ -339,8 +338,8 @@ function! s:Markdown_Toc(...)
         endif
         call setline(i, repeat('  ', l:level). d.text)
     endfor
         endif
         call setline(i, repeat('  ', l:level). d.text)
     endfor

-    set nomodified
-    set nomodifiable
+    setlocal nomodified
+    setlocal nomodifiable

     normal! gg
 endfunction
 
     normal! gg
 endfunction
 


@@ -358,32 +357,183 @@ function! s:MapNormVis(rhs,lhs)
     execute 'vn <buffer><silent> ' . a:rhs . ' <esc>:call <sid>VisMove(''' . a:lhs . ''')<cr>'
 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

 
 

-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')
+" 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)
 
 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)
-
-    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)
+    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
+
+    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
 
 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')
 command! -buffer Toc call s:Markdown_Toc()
 command! -buffer Toch call s:Markdown_Toc('horizontal')
 command! -buffer Tocv call s:Markdown_Toc('vertical')