"
" - move the cursor. All other functions do not move the cursor.
"
-" This is how you should view headers:
+" This is how you should view headers for the header mappings:
"
" |BUFFER
" |
" e-+
" 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.
"
" @param a:1 The line to look the header of. Default value: `getpos('.')`.
"
-function! b:Markdown_GetHeaderLineNum(...)
+function! s:GetHeaderLineNum(...)
if a:0 == 0
let l:l = line('.')
else
return 0
endfunction
-" - if inside a header goes to it.
+" - if inside a header goes to it.
" Return its line number.
"
-" - if on top level outside any headers,
+" - if on top level outside any headers,
" print a warning
" Return `0`.
"
-function! b:Markdown_MoveToCurHeader()
- let l:lineNum = b:Markdown_GetHeaderLineNum()
+function! s:MoveToCurHeader()
+ let l:lineNum = s:GetHeaderLineNum()
if l:lineNum != 0
call cursor(l:lineNum, 1)
else
"
" If there are no more headers, print a warning.
"
-function! b:Markdown_MoveToNextHeader()
+function! s:MoveToNextHeader()
if search(s:headersRegexp, 'W') == 0
"normal! G
echo 'no next header'
"
" If it does not exist, print a warning.
"
-function! b:Markdown_MoveToPreviousHeader()
- let l:curHeaderLineNumber = b:Markdown_GetHeaderLineNum()
+function! s:MoveToPreviousHeader()
+ let l:curHeaderLineNumber = s:GetHeaderLineNum()
let l:noPreviousHeader = 0
if l:curHeaderLineNumber <= 1
let l:noPreviousHeader = 1
else
- let l:previousHeaderLineNumber = b:Markdown_GetHeaderLineNum(l:curHeaderLineNumber - 1)
+ let l:previousHeaderLineNumber = s:GetHeaderLineNum(l:curHeaderLineNumber - 1)
if l:previousHeaderLineNumber == 0
let l:noPreviousHeader = 1
else
"
" - if line is at top level outside any headers, return `0`.
"
-function! b:Markdown_GetHeaderLevel(...)
+function! s:GetHeaderLevel(...)
if a:0 == 0
let l:line = line('.')
else
let l:line = a:1
endif
- let l:linenum = b:Markdown_GetHeaderLineNum(l:line)
+ let l:linenum = s:GetHeaderLineNum(l:line)
if l:linenum != 0
- return b:Markdown_GetLevelOfHeaderAtLine(l:linenum)
+ return s:GetLevelOfHeaderAtLine(l:linenum)
else
return 0
endif
"
" If there is no header at the given line, returns `0`.
"
-function! b:Markdown_GetLevelOfHeaderAtLine(linenum)
+function! s:GetLevelOfHeaderAtLine(linenum)
let l:lines = join(getline(a:linenum, a:linenum + 1), "\n")
for l:key in keys(s:levelRegexpDict)
if l:lines =~ get(s:levelRegexpDict, l:key)
"
" If it does not exit, print a warning and do nothing.
"
-function! b:Markdown_MoveToParentHeader()
- let l:linenum = b:Markdown_GetParentHeaderLineNumber()
+function! s:MoveToParentHeader()
+ let l:linenum = s:GetParentHeaderLineNumber()
if l:linenum != 0
call cursor(l:linenum, 1)
else
"
" If it has no parent, return `0`.
"
-function! b:Markdown_GetParentHeaderLineNumber(...)
+function! s:GetParentHeaderLineNumber(...)
if a:0 == 0
let l:line = line('.')
else
let l:line = a:1
endif
- let l:level = b:Markdown_GetHeaderLevel(l:line)
+ let l:level = s:GetHeaderLevel(l:line)
if l:level > 1
- let l:linenum = b:Markdown_GetPreviousHeaderLineNumberAtLevel(l:level - 1, l:line)
+ let l:linenum = s:GetPreviousHeaderLineNumberAtLevel(l:level - 1, l:line)
return l:linenum
endif
return 0
"
" If none return 0.
"
-function! b:Markdown_GetNextHeaderLineNumberAtLevel(level, ...)
+function! s:GetNextHeaderLineNumberAtLevel(level, ...)
if a:0 < 1
let l:line = line('.')
else
"
" If none return 0.
"
-function! b:Markdown_GetPreviousHeaderLineNumberAtLevel(level, ...)
+function! s:GetPreviousHeaderLineNumberAtLevel(level, ...)
if a:0 == 0
let l:line = line('.')
else
"
" If there is no next siblings, print a warning and don't move.
"
-function! b:Markdown_MoveToNextSiblingHeader()
- let l:curHeaderLineNumber = b:Markdown_GetHeaderLineNum()
- let l:curHeaderLevel = b:Markdown_GetLevelOfHeaderAtLine(l:curHeaderLineNumber)
- let l:curHeaderParentLineNumber = b:Markdown_GetParentHeaderLineNumber()
- let l:nextHeaderSameLevelLineNumber = b:Markdown_GetNextHeaderLineNumberAtLevel(l:curHeaderLevel, l:curHeaderLineNumber + 1)
+function! s:MoveToNextSiblingHeader()
+ let l:curHeaderLineNumber = s:GetHeaderLineNum()
+ let l:curHeaderLevel = s:GetLevelOfHeaderAtLine(l:curHeaderLineNumber)
+ let l:curHeaderParentLineNumber = s:GetParentHeaderLineNumber()
+ let l:nextHeaderSameLevelLineNumber = s:GetNextHeaderLineNumberAtLevel(l:curHeaderLevel, l:curHeaderLineNumber + 1)
let l:noNextSibling = 0
if l:nextHeaderSameLevelLineNumber == 0
let l:noNextSibling = 1
else
- let l:nextHeaderSameLevelParentLineNumber = b:Markdown_GetParentHeaderLineNumber(l:nextHeaderSameLevelLineNumber)
+ let l:nextHeaderSameLevelParentLineNumber = s:GetParentHeaderLineNumber(l:nextHeaderSameLevelLineNumber)
if l:curHeaderParentLineNumber == l:nextHeaderSameLevelParentLineNumber
call cursor(l:nextHeaderSameLevelLineNumber, 1)
else
"
" If there is no previous siblings, print a warning and do nothing.
"
-function! b:Markdown_MoveToPreviousSiblingHeader()
- let l:curHeaderLineNumber = b:Markdown_GetHeaderLineNum()
- let l:curHeaderLevel = b:Markdown_GetLevelOfHeaderAtLine(l:curHeaderLineNumber)
- let l:curHeaderParentLineNumber = b:Markdown_GetParentHeaderLineNumber()
- let l:previousHeaderSameLevelLineNumber = b:Markdown_GetPreviousHeaderLineNumberAtLevel(l:curHeaderLevel, l:curHeaderLineNumber - 1)
+function! s:MoveToPreviousSiblingHeader()
+ let l:curHeaderLineNumber = s:GetHeaderLineNum()
+ let l:curHeaderLevel = s:GetLevelOfHeaderAtLine(l:curHeaderLineNumber)
+ let l:curHeaderParentLineNumber = s:GetParentHeaderLineNumber()
+ let l:previousHeaderSameLevelLineNumber = s:GetPreviousHeaderLineNumberAtLevel(l:curHeaderLevel, l:curHeaderLineNumber - 1)
let l:noPreviousSibling = 0
if l:previousHeaderSameLevelLineNumber == 0
let l:noPreviousSibling = 1
else
- let l:previousHeaderSameLevelParentLineNumber = b:Markdown_GetParentHeaderLineNumber(l:previousHeaderSameLevelLineNumber)
+ let l:previousHeaderSameLevelParentLineNumber = s:GetParentHeaderLineNumber(l:previousHeaderSameLevelLineNumber)
if l:curHeaderParentLineNumber == l:previousHeaderSameLevelParentLineNumber
call cursor(l:previousHeaderSameLevelLineNumber, 1)
else
endif
endfunction
+function! s:Toc(...)
+ if a:0 > 0
+ let l:window_type = a:1
+ else
+ let l:window_type = 'vertical'
+ endif
+
+ try
+ silent lvimgrep /\(^\S.*\(\n[=-]\+\n\)\@=\|^#\+\)/ %
+ catch /E480/
+ echom "Toc: No headers."
+ return
+ endtry
+
+ if l:window_type ==# 'horizontal'
+ lopen
+ elseif l:window_type ==# 'vertical'
+ vertical lopen
+ let &winwidth=(&columns/2)
+ elseif l:window_type ==# 'tab'
+ tab lopen
+ else
+ lopen
+ endif
+ setlocal modifiable
+ for i in range(1, 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
+ setlocal nomodified
+ setlocal nomodifiable
+ normal! gg
+endfunction
+
+" Convert Setex headers in range `line1 .. line2` to Atx.
+"
+" Return 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
+
" Wrapper to do move commands in visual mode.
"
function! s:VisMove(f)
execute 'vn <buffer><silent> ' . a:rhs . ' <esc>:call <sid>VisMove(''' . a:lhs . ''')<cr>'
endfunction
-call <sid>MapNormVis(']]', 'b:Markdown_MoveToNextHeader')
-call <sid>MapNormVis('[[', 'b:Markdown_MoveToPreviousHeader')
-call <sid>MapNormVis('][', 'b:Markdown_MoveToNextSiblingHeader')
-call <sid>MapNormVis('[]', 'b:Markdown_MoveToPreviousSiblingHeader')
-" Menmonic: Up
-call <sid>MapNormVis(']u', 'b:Markdown_MoveToParentHeader')
-" Menmonic: Current
-call <sid>MapNormVis(']c', 'b: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>MoveToNextHeader')
+call <sid>MapNormVis('<Plug>Markdown_MoveToPreviousHeader', '<sid>MoveToPreviousHeader')
+call <sid>MapNormVis('<Plug>Markdown_MoveToNextSiblingHeader', '<sid>MoveToNextSiblingHeader')
+call <sid>MapNormVis('<Plug>Markdown_MoveToPreviousSiblingHeader', '<sid>MoveToPreviousSiblingHeader')
+call <sid>MapNormVis('<Plug>Markdown_MoveToParentHeader', '<sid>MoveToParentHeader')
+call <sid>MapNormVis('<Plug>Markdown_MoveToCurHeader', '<sid>MoveToCurHeader')
+nnoremap <Plug>Markdown_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>Markdown_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
+
+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:Toc()
+command! -buffer Toch call s:Toc('horizontal')
+command! -buffer Tocv call s:Toc('vertical')
+command! -buffer Toct call s:Toc('tab')
projects / etc / vim.git / blobdiff