neovim/runtime/compiler/pandoc.vim
Christian Clason 78e48cd9b5 vim-patch:d55e698: runtime(pandoc): refine pandoc compiler settings
closes: vim/vim#15529

d55e698fa0

Co-authored-by: Konfekt <Konfekt@users.noreply.github.com>
2024-08-21 09:14:17 +02:00

60 lines
2.2 KiB
VimL

" Vim compiler file
" Compiler: Pandoc
" Maintainer: Konfekt
" Last Change: 2024 Aug 20
"
" Expects output file extension, say `:make html` or `:make pdf`.
" Passes additional arguments to pandoc, say `:make html --self-contained`.
if exists("current_compiler")
finish
endif
let s:keepcpo = &cpo
set cpo&vim
let current_compiler = 'pandoc'
" As of 2024-04-08 pandoc supports the following text input formats with
" an ftplugin on Github:
let s:supported_filetypes =
\ [ 'bibtex', 'markdown', 'creole', 'json', 'csv', 'tsv', 'docbook',
\ 'xml', 'fb2', 'html', 'jira', 'tex', 'mediawiki', 'nroff', 'org',
\ 'rtf', 'rst', 't2t', 'textile', 'twiki', 'typst', 'vimwiki' ]
" .. and out of those the following are included in Vim's runtime:
" 'xml', 'tex', 'html', 'rst', 'json', 'nroff', 'markdown'
silent! function s:PandocFiletype(filetype) abort
let ft = a:filetype
if ft ==# 'pandoc' | return 'markdown'
elseif ft ==# 'tex' | return 'latex'
" Pandoc does not support XML as a generic input format, but it does support
" EndNote XML and Jats XML out of which the latter seems more universal.
elseif ft ==# 'xml' | return 'jats'
elseif ft ==# 'text' || empty(ft) | return 'markdown'
elseif index(s:supported_filetypes, &ft) >= 0 | return ft
else
echomsg 'Unsupported filetype: '..ft..', falling back to Markdown as input format!'
return 'markdown'
endif
endfunction
let b:pandoc_compiler_from = get(b:, 'pandoc_compiler_from', s:PandocFiletype(&filetype))
let b:pandoc_compiler_lang = get(b:, 'pandoc_compiler_lang', &spell ? matchstr(&spelllang, '^\a\a') : '')
execute 'CompilerSet makeprg=pandoc'..escape(
\ ' --standalone' .
\ (b:pandoc_compiler_from ==# 'markdown' && (getline(1) =~# '^%\s\+\S\+' || (search('^title:\s+\S+', 'cnw') > 0)) ?
\ '' : ' --metadata title=%:t:r:S') .
\ (empty(b:pandoc_compiler_lang) ?
\ '' : ' --metadata lang='..b:pandoc_compiler_lang) .
\ ' --from='..b:pandoc_compiler_from .
\ ' '..get(b:, 'pandoc_compiler_args', get(g:, 'pandoc_compiler_args', '')) .
\ ' --output %:r:S.$* -- %:S', ' ')
CompilerSet errorformat=%f,\ line\ %l:\ %m
let &cpo = s:keepcpo
unlet s:keepcpo