dotfiles

commit 55bc65ad56cfc2a619464de94e8cecd82b3f793c
parent 881bd25be28f5b5a57482d28b68a61d9990901f9
Author: hhvn <dev@hhvn.uk>
Date:   Sat, 15 Jan 2022 13:03:34 +0000

.c/n/i/rcshell.vim: add rc indent file

Diffstat:
A
.config/nvim/indent/rcshell.vim
 | 
59
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

1 file changed, 59 insertions(+), 0 deletions(-)
diff --git a/.config/nvim/indent/rcshell.vim b/.config/nvim/indent/rcshell.vim
@@ -0,0 +1,59 @@
+" Vim indent file
+" Language:	rc
+" Maintainer:	hhvn <dev@hhvn.uk>
+" License:	This file is placed in the public domain.
+"
+" Written by hhvn.
+
+if exists("b:did_indent")
+	finish
+endif
+let b:did_indent = 1
+
+setlocal indentexpr=GetRcIndent()
+
+if exists("GetRcIndent")
+	finish
+endif
+
+function! GetRcIndent()
+	let lnum = prevnonblank(v:lnum - 1)
+	let pnum = prevnonblank(lnum - 1)
+
+	if lnum == 0
+		return 0
+	endif
+
+	let prevline = getline(pnum)
+	let line = getline(lnum)
+	let indent = indent(lnum)
+	let origindent = indent
+
+	let braces = s:Get_brace_balance(line, '{', '}')
+	let indent += braces * &sw
+
+	let braces = s:Get_brace_balance(line, '(', ')')
+	let indent += braces * &sw
+
+	if line =~ '[|\\]\s*$'
+		if prevline =~ '[|\\]\s*$'
+			let indent += 0
+		elseif origindent == indent
+			let indent += &sw
+		endif
+	endif
+
+	" Todo: have ending braces automatically
+	"       unindented like cindent
+
+	return indent
+endfunction
+
+" Taken from awk indenter
+function! s:Get_brace_balance( line, b_open, b_close )
+   let line2 = substitute( a:line, a:b_open, "", "g" )
+   let openb = strlen( a:line ) - strlen( line2 )
+   let line3 = substitute( line2, a:b_close, "", "g" )
+   let closeb = strlen( line2 ) - strlen( line3 )
+   return openb - closeb
+endfunction