add ftplugin/hare.vim

1 files changed, 47 insertions, 0 deletions

diff --git a/ftplugin/hare.vim b/ftplugin/hare.vim
new file mode 100644
index 0000000..2a03bb6
--- /dev/null
+++ b/ftplugin/hare.vim
@@ -0,0 +1,47 @@
+" Haredoc plugin -- Hare documentation in vim
+" Maintainer: Byron Torres <b@torresjrjr.com>
+" Last Updated: 2022-05-22
+
+set keywordprg=haredoc
+nnoremap K  :call Haredoc('.')<CR>
+command -nargs=? Haredoc  :call Haredoc(<q-args>)
+function Haredoc(symbol)
+	let symbol = a:symbol
+	let popup = 0
+	if symbol == '.'
+		let popup = 1
+		let oldiskeyword = &iskeyword
+		setlocal iskeyword+=:
+		let symbol = expand('<cword>')
+		let &iskeyword = oldiskeyword
+	endif
+	if has('terminal') && has('popupwin') && popup == 1
+		let minheight = 1 + system(
+		\	"haredoc -Ftty '"..symbol.."' 2>&1 | wc -l"
+		\ )
+		let buf = term_start(
+		\	[
+		\		'sh', '-c',
+		\		"haredoc -Ftty '"..symbol.."' 2>&1 | less -RK",
+		\	],
+		\	#{hidden: 1, term_finish: 'close'},
+		\ )
+		let winid = popup_atcursor(
+		\	buf,
+		\	#{
+		\		col: 'cursor-'..virtcol('.'),
+		\		minwidth: 84,
+		\		minheight: minheight,
+		\		fixed: v:false,
+		\		wrap: v:false,
+		\		border: [1, 1, 1, 1],
+		\	},
+		\ )
+	elseif has('terminal')
+		execute 'terminal ++noclose haredoc '..symbol
+		set nonumber
+		nnoremap <buffer> q  :close<CR>
+	else
+		execute '!haredoc '..symbol
+	endif
+endfunction