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Diffstat (limited to 'autoload/markdown.vim')
| -rw-r--r-- | autoload/markdown.vim | 532 |
1 files changed, 532 insertions, 0 deletions
diff --git a/autoload/markdown.vim b/autoload/markdown.vim new file mode 100644 index 00000000..3db667e1 --- /dev/null +++ b/autoload/markdown.vim @@ -0,0 +1,532 @@ +if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'markdown') == -1 + + +" {{{ FOLDING + +function! markdown#FoldLevelOfLine(lnum) + let currentline = getline(a:lnum) + let nextline = getline(a:lnum + 1) + + " an empty line is not going to change the indentation level + if match(currentline, '^\s*$') >= 0 + return '=' + endif + + " folding lists + if s:SyntaxGroupOfLineIs(a:lnum, '^markdownListItem') + if s:SyntaxGroupOfLineIs(a:lnum - 1, '^markdownListItem') + return 'a1' + endif + if s:SyntaxGroupOfLineIs(a:lnum + 1, '^markdownListItem') + return 's1' + endif + return '=' + endif + + " we are not going to fold things inside list items, too hairy + let is_inside_a_list_item = s:SyntaxGroupOfLineIs(a:lnum, '^markdownListItem') + if is_inside_a_list_item + return '=' + endif + + " folding atx headers + if match(currentline, '^#\{1,6}\s') >= 0 + let header_level = strlen(substitute(currentline, '^\(#\{1,6}\).*', '\1', '')) + return '>' . header_level + endif + + " folding fenced code blocks + let next_line_syntax_group = synIDattr(synID(a:lnum + 1, 1, 1), 'name') + if match(currentline, '^\s*```') >= 0 + if next_line_syntax_group ==# 'markdownFencedCodeBlock' + return 'a1' + endif + return 's1' + endif + + " folding code blocks + let current_line_syntax_group = synIDattr(synID(a:lnum, 1, 1), 'name') + let prev_line_syntax_group = synIDattr(synID(a:lnum - 1, 1, 1), 'name') + if match(currentline, '^\s\{4,}') >= 0 + if current_line_syntax_group ==# 'markdownCodeBlock' + if prev_line_syntax_group !=# 'markdownCodeBlock' + return 'a1' + endif + if next_line_syntax_group !=# 'markdownCodeBlock' + return 's1' + endif + endif + return '=' + endif + + " folding setex headers + if (match(currentline, '^.*$') >= 0) + if (match(nextline, '^=\+$') >= 0) + return '>1' + endif + if (match(nextline, '^-\+$') >= 0) + return '>2' + endif + endif + + return '=' +endfunction + +function! s:SyntaxGroupOfLineIs(lnum, pattern) + let stack = synstack(a:lnum, a:cnum) + if len(stack) > 0 + return synIDattr(stack[0], 'name') =~# a:pattern + endif + return 0 +endfunction + +" }}} + +" {{{ EDIT + +function! markdown#EditBlock() range abort + if exists('b:markdown_temporary_buffer') && b:markdown_temporary_buffer + echo 'Sorry, you cannot edit a code block inside a temporary buffer' + return + endif + " Github fenced code blocks like ```ruby + let code_block = s:LocateFencedCodeBlock(a:firstline, + \ '^\s*`\{3,}\(\w\+\)\%(\s.*$\|$\)', + \ '^\s*`\{3,}\s*$' + \ ) + if code_block['from'] == 0 || code_block['to'] == 0 + " Github fenced code blocks with metadata like ```{ruby, <WHATEVER>} + let code_block = s:LocateFencedCodeBlock(a:firstline, + \ '^\s*`\{3,}{\(\w\+\),[^}]\+}\%(\s.*$\|$\)', + \ '^\s*`\{3,}\s*$' + \ ) + endif + if code_block['from'] == 0 || code_block['to'] == 0 + " Github fenced code blocks alternate style like ~~~ruby + let code_block = s:LocateFencedCodeBlock(a:firstline, + \ '^\s*\~\{3,}\(\w\+\)\%(\s.*$\|$\)', + \ '^\s*\~\{3,}\s*$' + \ ) + endif + if code_block['from'] == 0 || code_block['to'] == 0 + " Liquid fenced code blocks {% highlight ruby %} + " (since we support some liquid/jekyll tags, why not?) + let code_block = s:LocateFencedCodeBlock(a:firstline, + \ '^\s*{%\s*highlight\s\+\(\w\+\)\s*%}\%(\s.*$\|$\)', + \ '^\s*{%\s*endhighlight\s*%}\%(\s.*$\|$\)' + \ ) + endif + if code_block['from'] == 0 || code_block['to'] == 0 + let code_block = s:LocateRangeBlock(a:firstline, a:lastline) + endif + if code_block['from'] == 0 || code_block['to'] == 0 + echo 'Sorry, I did not find any suitable code block to edit or create' + return + endif + + let code_block['file_extension'] = '.' . code_block['language'] + if has_key(s:known_file_extensions, code_block['language']) + let code_block['file_extension'] = s:known_file_extensions[code_block['language']] + endif + let code_block['file_path'] = tempname() . code_block['file_extension'] + let code_block['content'] = getline(code_block['from'], code_block['to']) + let code_block['content'] = s:UnindentBlock(code_block['content'], code_block['indentation']) + + call writefile(code_block['content'], code_block['file_path']) + augroup MarkdownReplaceEditedBlock + autocmd BufEnter <buffer> call s:ReplaceEditedBlock() + augroup END + + let b:code_block = code_block + execute 'split ' . code_block['file_path'] + let b:markdown_temporary_buffer = 1 + autocmd BufLeave <buffer> wq +endfunction + +function! s:ReplaceEditedBlock() + augroup MarkdownReplaceEditedBlock + autocmd! + augroup END + augroup! MarkdownReplaceEditedBlock + + if b:code_block['to'] - b:code_block['from'] >= 0 + execute b:code_block['from'] . ',' b:code_block['to'] . ' delete _' + endif + let content = readfile(b:code_block['file_path']) + let content = s:IndentBlock(l:content, b:code_block['indentation']) + let content = s:SurroundWithFencedCodeBlock(l:content, b:code_block) + call append(b:code_block['from']-1, content) + call setpos('.', b:code_block['back_to_position']) + + execute 'silent bwipeout! ' . b:code_block['file_path'] + call delete(b:code_block['file_path']) + unlet! b:code_block +endfunction + +function! s:UnindentBlock(content, indentation) + return map(a:content, 'substitute(v:val, ''^' . a:indentation . ''', '''', ''g'')') +endfunction + +function! s:IndentBlock(content, indentation) + return map(a:content, 'substitute(v:val, ''^'', ''' . a:indentation . ''', ''g'')') +endfunction + +function! s:SurroundWithFencedCodeBlock(code, editing) + if !a:editing['surround'] | return a:code | endif + if a:editing['language'] =~# 'markdown' | return a:code | endif + let before = + \ (a:editing['make_room_before'] ? [''] : []) + + \ [a:editing['indentation'] . '```' . a:editing['language']] + let after = + \ [a:editing['indentation'] . '```'] + + \ (a:editing['make_room_after'] ? [''] : []) + return l:before + a:code + l:after +endfunction + +function! s:LocateRangeBlock(from, to) + " TODO: extract initialize_code_block + let code_block = {'from': 0, 'to': 0, 'language': 'txt', 'indentation': '', 'surround': 0} + if a:to >= a:from + let code_block['from'] = a:from + let code_block['to'] = a:to + let code_block['back_to_position'] = getpos('.') + let code_block['language'] = 'markdown' + + if a:from == a:to && getline(a:from) =~ '^\s*$' + let code_block['surround'] = 1 + let code_block['make_room_before'] = getline(a:from - 1) !~ '^\s*$' + let code_block['make_room_after'] = getline(a:to + 1) !~ '^\s*$' + let code_block['language'] = input('filetype? (default: markdown) ', '', 'filetype') + if code_block['language'] =~ '^\s*$' + let code_block['language'] = 'markdown' + endif + endif + endif + return code_block +endfunction + +function! s:LocateFencedCodeBlock(starting_from, upper_delimiter, lower_delimiter) + " TODO: extract initialize_code_block + let code_block = {'from': 0, 'to': 0, 'language': 'txt', 'indentation': '', 'surround': 0} + let initial_position = getpos('.') + let search_position = copy(initial_position) + let search_position[1] = a:starting_from + let search_position[2] = 0 + cal setpos('.', search_position) + + let start_code_block_backward = search(a:upper_delimiter, 'cbnW') + let end_code_block_backward = search(a:lower_delimiter, 'cbnW') + let end_code_block_forward = search(a:lower_delimiter, 'cnW') + + let found_code_block = + \ start_code_block_backward > 0 && + \ end_code_block_forward > 0 + let between_two_code_blocks = + \ start_code_block_backward < end_code_block_backward && + \ end_code_block_backward <= a:starting_from + let starting_inside_code_block = + \ found_code_block && + \ !between_two_code_blocks && + \ start_code_block_backward <= a:starting_from && + \ end_code_block_forward >= a:starting_from + + if starting_inside_code_block + let code_block['language'] = s:ExtractLanguage(start_code_block_backward, a:upper_delimiter) + let code_block['indentation'] = s:ExtractIndentation(start_code_block_backward) + let code_block['back_to_position'] = initial_position + let code_block['back_to_position'][1] = start_code_block_backward + let code_block['back_to_position'][2] = 0 + let code_block['from'] = start_code_block_backward + 1 + let code_block['to'] = end_code_block_forward - 1 + endif + return code_block +endfunction + +function! s:ExtractLanguage(start_at, upper_delimiter) + return substitute(getline(a:start_at), a:upper_delimiter, '\1', '') +endfunction + +function! s:ExtractIndentation(start_at) + return substitute(getline(a:start_at), '\(^\s*\).\+$', '\1', '') +endfunction + +let s:known_file_extensions = { + \ 'abap': '.abap', + \ 'antlr': '.g4', + \ 'asp': '.asp', + \ 'ats': '.dats', + \ 'actionscript': '.as', + \ 'ada': '.adb', + \ 'agda': '.agda', + \ 'apacheconf': '.apacheconf', + \ 'apex': '.cls', + \ 'applescript': '.applescript', + \ 'arc': '.arc', + \ 'arduino': '.ino', + \ 'asciidoc': '.asciidoc', + \ 'assembly': '.asm', + \ 'augeas': '.aug', + \ 'autohotkey': '.ahk', + \ 'autoit': '.au3', + \ 'awk': '.awk', + \ 'batchfile': '.bat', + \ 'befunge': '.befunge', + \ 'blitzbasic': '.bb', + \ 'blitzmax': '.bmx', + \ 'bluespec': '.bsv', + \ 'boo': '.boo', + \ 'brainfuck': '.b', + \ 'brightscript': '.brs', + \ 'bro': '.bro', + \ 'c': '.c', + \ 'c++': '.cpp', + \ 'cpp': '.cpp', + \ 'clips': '.clp', + \ 'cmake': '.cmake', + \ 'cobol': '.cob', + \ 'css': '.css', + \ 'ceylon': '.ceylon', + \ 'chuck': '.ck', + \ 'cirru': '.cirru', + \ 'clean': '.icl', + \ 'clojure': '.clj', + \ 'coffeescript': '.coffee', + \ 'coldfusion': '.cfm', + \ 'coq': '.coq', + \ 'creole': '.creole', + \ 'crystal': '.cr', + \ 'cucumber': '.feature', + \ 'cuda': '.cu', + \ 'cython': '.pyx', + \ 'd': '.d', + \ 'dm': '.dm', + \ 'dot': '.dot', + \ 'dart': '.dart', + \ 'diff': '.diff', + \ 'dylan': '.dylan', + \ 'ecl': '.ecl', + \ 'eiffel': '.e', + \ 'elixir': '.ex', + \ 'elm': '.elm', + \ 'erlang': '.erl', + \ 'flux': '.fx', + \ 'fortran': '.f90', + \ 'factor': '.factor', + \ 'fancy': '.fy', + \ 'fantom': '.fan', + \ 'forth': '.fth', + \ 'gas': '.s', + \ 'glsl': '.glsl', + \ 'genshi': '.kid', + \ 'glyph': '.glf', + \ 'go': '.go', + \ 'gosu': '.gs', + \ 'groff': '.man', + \ 'groovy': '.groovy', + \ 'html': '.html', + \ 'http': '.http', + \ 'haml': '.haml', + \ 'handlebars': '.handlebars', + \ 'harbour': '.hb', + \ 'haskell': '.hs', + \ 'haxe': '.hx', + \ 'hy': '.hy', + \ 'idl': '.pro', + \ 'ini': '.ini', + \ 'idris': '.idr', + \ 'io': '.io', + \ 'ioke': '.ik', + \ 'j': '.ijs', + \ 'json': '.json', + \ 'json5': '.json5', + \ 'jsonld': '.jsonld', + \ 'jade': '.jade', + \ 'java': '.java', + \ 'javascript': '.js', + \ 'julia': '.jl', + \ 'krl': '.krl', + \ 'kotlin': '.kt', + \ 'lfe': '.lfe', + \ 'llvm': '.ll', + \ 'lasso': '.lasso', + \ 'less': '.less', + \ 'lilypond': '.ly', + \ 'livescript': '.ls', + \ 'logos': '.xm', + \ 'logtalk': '.lgt', + \ 'lua': '.lua', + \ 'm': '.mumps', + \ 'makefile': '.mak', + \ 'mako': '.mako', + \ 'markdown': '.md', + \ 'mask': '.mask', + \ 'matlab': '.matlab', + \ 'max': '.maxpat', + \ 'mediawiki': '.mediawiki', + \ 'mirah': '.druby', + \ 'monkey': '.monkey', + \ 'moocode': '.moo', + \ 'moonscript': '.moon', + \ 'myghty': '.myt', + \ 'nsis': '.nsi', + \ 'nemerle': '.n', + \ 'netlogo': '.nlogo', + \ 'nginx': '.nginxconf', + \ 'nimrod': '.nim', + \ 'nu': '.nu', + \ 'numpy': '.numpy', + \ 'ocaml': '.ml', + \ 'objdump': '.objdump', + \ 'omgrofl': '.omgrofl', + \ 'opa': '.opa', + \ 'opencl': '.cl', + \ 'org': '.org', + \ 'oxygene': '.oxygene', + \ 'pawn': '.pwn', + \ 'php': '.php', + \ 'parrot': '.parrot', + \ 'pascal': '.pas', + \ 'perl': '.pl', + \ 'perl6': '.p6', + \ 'pike': '.pike', + \ 'pod': '.pod', + \ 'pogoscript': '.pogo', + \ 'postscript': '.ps', + \ 'powershell': '.ps1', + \ 'processing': '.pde', + \ 'prolog': '.prolog', + \ 'puppet': '.pp', + \ 'python': '.py', + \ 'qml': '.qml', + \ 'r': '.r', + \ 'rdoc': '.rdoc', + \ 'realbasic': '.rbbas', + \ 'rhtml': '.rhtml', + \ 'rmarkdown': '.rmd', + \ 'racket': '.rkt', + \ 'rebol': '.rebol', + \ 'redcode': '.cw', + \ 'robotframework': '.robot', + \ 'rouge': '.rg', + \ 'ruby': '.rb', + \ 'rust': '.rs', + \ 'scss': '.scss', + \ 'sql': '.sql', + \ 'sage': '.sage', + \ 'sass': '.sass', + \ 'scala': '.scala', + \ 'scaml': '.scaml', + \ 'scheme': '.scm', + \ 'scilab': '.sci', + \ 'self': '.self', + \ 'shell': '.sh', + \ 'shen': '.shen', + \ 'slash': '.sl', + \ 'smalltalk': '.st', + \ 'smarty': '.tpl', + \ 'squirrel': '.nut', + \ 'stylus': '.styl', + \ 'supercollider': '.scd', + \ 'toml': '.toml', + \ 'txl': '.txl', + \ 'tcl': '.tcl', + \ 'tcsh': '.tcsh', + \ 'tex': '.tex', + \ 'tea': '.tea', + \ 'textile': '.textile', + \ 'turing': '.t', + \ 'twig': '.twig', + \ 'typescript': '.ts', + \ 'unrealscript': '.uc', + \ 'vhdl': '.vhdl', + \ 'vala': '.vala', + \ 'verilog': '.v', + \ 'viml': '.vim', + \ 'volt': '.volt', + \ 'xc': '.xc', + \ 'xml': '.xml', + \ 'xproc': '.xpl', + \ 'xquery': '.xquery', + \ 'xs': '.xs', + \ 'xslt': '.xslt', + \ 'xtend': '.xtend', + \ 'yaml': '.yml', + \ 'ec': '.ec', + \ 'edn': '.edn', + \ 'fish': '.fish', + \ 'mupad': '.mu', + \ 'nesc': '.nc', + \ 'ooc': '.ooc', + \ 'restructuredtext': '.rst', + \ 'wisp': '.wisp', + \ 'xbase': '.prg', +\ } + +" }}} + +" {{{ FORMAT +function! markdown#FormatTable() + let p = '^\s*|\s.*\s|\s*$' + if exists(':Tabularize') && getline('.') =~# '^\s*|' && (getline(line('.')-1) =~# p || getline(line('.')+1) =~# p) + let column = strlen(substitute(getline('.')[0:col('.')],'[^|]','','g')) + let position = strlen(matchstr(getline('.')[0:col('.')],'.*|\s*\zs.*')) + let separator_line_number = search('^\s*|\s*-\{3,}', 'cbnW') + + call s:ShrinkTableHeaderSeparator(separator_line_number) + Tabularize/|/l1 + call s:ExpandTableHeaderSeparator(separator_line_number) + normal! 0 + + call search(repeat('[^|]*|',column).'\s\{-\}'.repeat('.',position),'ce',line('.')) + endif +endfunction + +function! s:ShrinkTableHeaderSeparator(separator_line_number) + if a:separator_line_number > 0 + let separator_line = getline(a:separator_line_number) + let separator_line = substitute(separator_line, '-\+', '---', 'g') + call setline(a:separator_line_number, separator_line) + endif +endfunction + +function! s:ExpandTableHeaderSeparator(separator_line_number) + if a:separator_line_number > 0 + let separator_line = getline(a:separator_line_number) + let separator_line = substitute( + \ separator_line, + \ '|\([^|]*\)', + \ '\="| " . repeat("-", strlen(submatch(1)) - 2) . " "', + \ 'g') + let separator_line = substitute(separator_line, '\s*$', '', '') + call setline(a:separator_line_number, separator_line) + endif +endfunction +" }}} + +" {{{ SWITCH STATUS +function! markdown#SwitchStatus() + let current_line = getline('.') + if match(current_line, '^\s*[*\-+] \[ \]') >= 0 + call setline('.', substitute(current_line, '^\(\s*[*\-+]\) \[ \]', '\1 [x]', '')) + return + endif + if match(current_line, '^\s*[*\-+] \[x\]') >= 0 + call setline('.', substitute(current_line, '^\(\s*[*\-+]\) \[x\]', '\1', '')) + return + endif + if match(current_line, '^\s*[*\-+] \(\[[x ]\]\)\@!') >= 0 + call setline('.', substitute(current_line, '^\(\s*[*\-+]\)', '\1 [ ]', '')) + return + endif + if match(current_line, '^\s*#\{1,5}\s') >= 0 + call setline('.', substitute(current_line, '^\(\s*#\{1,5}\) \(.*$\)', '\1# \2', '')) + return + endif + if match(current_line, '^\s*#\{6}\s') >= 0 + call setline('.', substitute(current_line, '^\(\s*\)#\{6} \(.*$\)', '\1# \2', '')) + return + endif +endfunction +" }}} + +endif |