"
" - 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^(#[^#]@=|.+\n\=+$)',
\ 2: '\v^(##[^#]@=|.+\n-+$)',
"
" @param a:1 The line to look the header of. Default value: `getpos('.')`.
"
-function! s: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! s:Markdown_MoveToCurHeader()
- let l:lineNum = s: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! s: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! s:Markdown_MoveToPreviousHeader()
- let l:curHeaderLineNumber = s: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 = s: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! s:Markdown_GetHeaderLevel(...)
+function! s:GetHeaderLevel(...)
if a:0 == 0
let l:line = line('.')
else
let l:line = a:1
endif
- let l:linenum = s:Markdown_GetHeaderLineNum(l:line)
+ let l:linenum = s:GetHeaderLineNum(l:line)
if l:linenum != 0
- return s: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! s: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! s:Markdown_MoveToParentHeader()
- let l:linenum = s: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! s:Markdown_GetParentHeaderLineNumber(...)
+function! s:GetParentHeaderLineNumber(...)
if a:0 == 0
let l:line = line('.')
else
let l:line = a:1
endif
- let l:level = s:Markdown_GetHeaderLevel(l:line)
+ let l:level = s:GetHeaderLevel(l:line)
if l:level > 1
- let l:linenum = s: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! s:Markdown_GetNextHeaderLineNumberAtLevel(level, ...)
+function! s:GetNextHeaderLineNumberAtLevel(level, ...)
if a:0 < 1
let l:line = line('.')
else
"
" If none return 0.
"
-function! s: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! s:Markdown_MoveToNextSiblingHeader()
- let l:curHeaderLineNumber = s:Markdown_GetHeaderLineNum()
- let l:curHeaderLevel = s:Markdown_GetLevelOfHeaderAtLine(l:curHeaderLineNumber)
- let l:curHeaderParentLineNumber = s:Markdown_GetParentHeaderLineNumber()
- let l:nextHeaderSameLevelLineNumber = s: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 = s: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! s:Markdown_MoveToPreviousSiblingHeader()
- let l:curHeaderLineNumber = s:Markdown_GetHeaderLineNum()
- let l:curHeaderLevel = s:Markdown_GetLevelOfHeaderAtLine(l:curHeaderLineNumber)
- let l:curHeaderParentLineNumber = s:Markdown_GetParentHeaderLineNumber()
- let l:previousHeaderSameLevelLineNumber = s: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 = s: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:Markdown_Toc(...)
+function! s:Toc(...)
if a:0 > 0
let l:window_type = a:1
else
normal! gg
endfunction
-" Wrapper to do move commands in visual mode.
+" Convert Setex headers in range `line1 .. line2` to Atx.
"
-function! s:VisMove(f)
- norm! gv
- call function(a:f)()
-endfunction
-
-" Map in both normal and visual modes.
+" Return the number of conversions.
"
-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
-
-" 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/'
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
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)
+ 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>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')
+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)
-
- 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)
+ 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:Markdown_Toc()
-command! -buffer Toch call s:Markdown_Toc('horizontal')
-command! -buffer Tocv call s:Markdown_Toc('vertical')
-command! -buffer Toct call s:Markdown_Toc('tab')
+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