You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
553 lines
16 KiB
553 lines
16 KiB
"TODO print messages when on visual mode. I only see VISUAL, not the messages.
|
|
|
|
" Function interface phylosophy:
|
|
"
|
|
" - functions take arbitrary line numbers as parameters.
|
|
" Current cursor line is only a suitable default parameter.
|
|
"
|
|
" - only functions that bind directly to user actions:
|
|
"
|
|
" - print error messages.
|
|
" All intermediate functions limit themselves return `0` to indicate an error.
|
|
"
|
|
" - move the cursor. All other functions do not move the cursor.
|
|
"
|
|
" This is how you should view headers for the header mappings:
|
|
"
|
|
" |BUFFER
|
|
" |
|
|
" |Outside any header
|
|
" |
|
|
" a-+# a
|
|
" |
|
|
" |Inside a
|
|
" |
|
|
" a-+
|
|
" b-+## b
|
|
" |
|
|
" |inside b
|
|
" |
|
|
" b-+
|
|
" c-+### c
|
|
" |
|
|
" |Inside c
|
|
" |
|
|
" c-+
|
|
" d-|# d
|
|
" |
|
|
" |Inside d
|
|
" |
|
|
" d-+
|
|
" e-|e
|
|
" |====
|
|
" |
|
|
" |Inside e
|
|
" |
|
|
" e-+
|
|
|
|
" 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^######[^#]@='
|
|
\ }
|
|
|
|
" 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^(#|.+\n(\=+|-+)$)'
|
|
|
|
" Returns the line number of the first header before `line`, called the
|
|
" current header.
|
|
"
|
|
" If there is no current header, return `0`.
|
|
"
|
|
" @param a:1 The line to look the header of. Default value: `getpos('.')`.
|
|
"
|
|
function! s:GetHeaderLineNum(...)
|
|
if a:0 == 0
|
|
let l:l = line('.')
|
|
else
|
|
let l:l = a:1
|
|
endif
|
|
while(l:l > 0)
|
|
if join(getline(l:l, l:l + 1), "\n") =~ s:headersRegexp
|
|
return l:l
|
|
endif
|
|
let l:l -= 1
|
|
endwhile
|
|
return 0
|
|
endfunction
|
|
|
|
" - if inside a header goes to it.
|
|
" Return its line number.
|
|
"
|
|
" - if on top level outside any headers,
|
|
" print a warning
|
|
" Return `0`.
|
|
"
|
|
function! s:MoveToCurHeader()
|
|
let l:lineNum = s:GetHeaderLineNum()
|
|
if l:lineNum != 0
|
|
call cursor(l:lineNum, 1)
|
|
else
|
|
echo 'outside any header'
|
|
"normal! gg
|
|
endif
|
|
return l:lineNum
|
|
endfunction
|
|
|
|
" Move cursor to next header of any level.
|
|
"
|
|
" If there are no more headers, print a warning.
|
|
"
|
|
function! s:MoveToNextHeader()
|
|
if search(s:headersRegexp, 'W') == 0
|
|
"normal! G
|
|
echo 'no next header'
|
|
endif
|
|
endfunction
|
|
|
|
" Move cursor to previous header (before current) of any level.
|
|
"
|
|
" If it does not exist, print a warning.
|
|
"
|
|
function! s:MoveToPreviousHeader()
|
|
let l:curHeaderLineNumber = s:GetHeaderLineNum()
|
|
let l:noPreviousHeader = 0
|
|
if l:curHeaderLineNumber <= 1
|
|
let l:noPreviousHeader = 1
|
|
else
|
|
let l:previousHeaderLineNumber = s:GetHeaderLineNum(l:curHeaderLineNumber - 1)
|
|
if l:previousHeaderLineNumber == 0
|
|
let l:noPreviousHeader = 1
|
|
else
|
|
call cursor(l:previousHeaderLineNumber, 1)
|
|
endif
|
|
endif
|
|
if l:noPreviousHeader
|
|
echo 'no previous header'
|
|
endif
|
|
endfunction
|
|
|
|
" - if line is inside a header, return the header level (h1 -> 1, h2 -> 2, etc.).
|
|
"
|
|
" - if line is at top level outside any headers, return `0`.
|
|
"
|
|
function! s:GetHeaderLevel(...)
|
|
if a:0 == 0
|
|
let l:line = line('.')
|
|
else
|
|
let l:line = a:1
|
|
endif
|
|
let l:linenum = s:GetHeaderLineNum(l:line)
|
|
if l:linenum != 0
|
|
return s:GetLevelOfHeaderAtLine(l:linenum)
|
|
else
|
|
return 0
|
|
endif
|
|
endfunction
|
|
|
|
" Returns the level of the header at the given line.
|
|
"
|
|
" If there is no header at the given line, returns `0`.
|
|
"
|
|
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)
|
|
return l:key
|
|
endif
|
|
endfor
|
|
return 0
|
|
endfunction
|
|
|
|
" Move cursor to parent header of the current header.
|
|
"
|
|
" If it does not exit, print a warning and do nothing.
|
|
"
|
|
function! s:MoveToParentHeader()
|
|
let l:linenum = s:GetParentHeaderLineNumber()
|
|
if l:linenum != 0
|
|
call cursor(l:linenum, 1)
|
|
else
|
|
echo 'no parent header'
|
|
endif
|
|
endfunction
|
|
|
|
" Return the line number of the parent header of line `line`.
|
|
"
|
|
" If it has no parent, return `0`.
|
|
"
|
|
function! s:GetParentHeaderLineNumber(...)
|
|
if a:0 == 0
|
|
let l:line = line('.')
|
|
else
|
|
let l:line = a:1
|
|
endif
|
|
let l:level = s:GetHeaderLevel(l:line)
|
|
if l:level > 1
|
|
let l:linenum = s:GetPreviousHeaderLineNumberAtLevel(l:level - 1, l:line)
|
|
return l:linenum
|
|
endif
|
|
return 0
|
|
endfunction
|
|
|
|
" Return the line number of the previous header of given level.
|
|
" in relation to line `a:1`. If not given, `a:1 = getline()`
|
|
"
|
|
" `a:1` line is included, and this may return the current header.
|
|
"
|
|
" If none return 0.
|
|
"
|
|
function! s:GetNextHeaderLineNumberAtLevel(level, ...)
|
|
if a:0 < 1
|
|
let l:line = line('.')
|
|
else
|
|
let l:line = a:1
|
|
endif
|
|
let l:l = l:line
|
|
while(l:l <= line('$'))
|
|
if join(getline(l:l, l:l + 1), "\n") =~ get(s:levelRegexpDict, a:level)
|
|
return l:l
|
|
endif
|
|
let l:l += 1
|
|
endwhile
|
|
return 0
|
|
endfunction
|
|
|
|
" Return the line number of the previous header of given level.
|
|
" in relation to line `a:1`. If not given, `a:1 = getline()`
|
|
"
|
|
" `a:1` line is included, and this may return the current header.
|
|
"
|
|
" If none return 0.
|
|
"
|
|
function! s:GetPreviousHeaderLineNumberAtLevel(level, ...)
|
|
if a:0 == 0
|
|
let l:line = line('.')
|
|
else
|
|
let l:line = a:1
|
|
endif
|
|
let l:l = l:line
|
|
while(l:l > 0)
|
|
if join(getline(l:l, l:l + 1), "\n") =~ get(s:levelRegexpDict, a:level)
|
|
return l:l
|
|
endif
|
|
let l:l -= 1
|
|
endwhile
|
|
return 0
|
|
endfunction
|
|
|
|
" Move cursor to next sibling header.
|
|
"
|
|
" If there is no next siblings, print a warning and don't move.
|
|
"
|
|
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 = s:GetParentHeaderLineNumber(l:nextHeaderSameLevelLineNumber)
|
|
if l:curHeaderParentLineNumber == l:nextHeaderSameLevelParentLineNumber
|
|
call cursor(l:nextHeaderSameLevelLineNumber, 1)
|
|
else
|
|
let l:noNextSibling = 1
|
|
endif
|
|
endif
|
|
if l:noNextSibling
|
|
echo 'no next sibling header'
|
|
endif
|
|
endfunction
|
|
|
|
" Move cursor to previous sibling header.
|
|
"
|
|
" If there is no previous siblings, print a warning and do nothing.
|
|
"
|
|
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 = s:GetParentHeaderLineNumber(l:previousHeaderSameLevelLineNumber)
|
|
if l:curHeaderParentLineNumber == l:previousHeaderSameLevelParentLineNumber
|
|
call cursor(l:previousHeaderSameLevelLineNumber, 1)
|
|
else
|
|
let l:noPreviousSibling = 1
|
|
endif
|
|
endif
|
|
if l:noPreviousSibling
|
|
echo 'no previous sibling header'
|
|
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)
|
|
norm! gv
|
|
call function(a:f)()
|
|
endfunction
|
|
|
|
" Map in both normal and visual modes.
|
|
"
|
|
function! s:MapNormVis(rhs,lhs)
|
|
execute 'nn <buffer><silent> ' . a:rhs . ' :call ' . a:lhs . '()<cr>'
|
|
execute 'vn <buffer><silent> ' . a:rhs . ' <esc>:call <sid>VisMove(''' . a:lhs . ''')<cr>'
|
|
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
|
|
"
|
|
" TODO
|
|
"
|
|
" - multiline support
|
|
" - give an error if the separator does is not on a link
|
|
"
|
|
function! s: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 = s:Markdown_GetUrlForPosition(line('.'), col('.'))
|
|
if l:url != ''
|
|
call s:VersionAwareNetrwBrowseX(l:url)
|
|
else
|
|
echomsg 'The cursor is not on a link.'
|
|
endif
|
|
endfunction
|
|
|
|
function! s:VersionAwareNetrwBrowseX(url)
|
|
if has('patch-7.4.567')
|
|
call netrw#BrowseX(a:url, 0)
|
|
else
|
|
call netrw#NetrwBrowseX(a:url, 0)
|
|
endif
|
|
endf
|
|
|
|
function! s:MapNotHasmapto(lhs, rhs)
|
|
if !hasmapto('<Plug>' . a:rhs)
|
|
execute 'nmap <buffer>' . a:lhs . ' <Plug>' . a:rhs
|
|
execute 'vmap <buffer>' . a:lhs . ' <Plug>' . a:rhs
|
|
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)
|
|
call <sid>MapNotHasmapto(']]', 'Markdown_MoveToNextHeader')
|
|
call <sid>MapNotHasmapto('[[', 'Markdown_MoveToPreviousHeader')
|
|
call <sid>MapNotHasmapto('][', 'Markdown_MoveToNextSiblingHeader')
|
|
call <sid>MapNotHasmapto('[]', 'Markdown_MoveToPreviousSiblingHeader')
|
|
call <sid>MapNotHasmapto(']u', 'Markdown_MoveToParentHeader')
|
|
call <sid>MapNotHasmapto(']c', 'Markdown_MoveToCurHeader')
|
|
call <sid>MapNotHasmapto('gx', 'Markdown_OpenUrlUnderCursor')
|
|
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')
|