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-rw-r--r--runtime/indent/hog.vim77
1 files changed, 77 insertions, 0 deletions
diff --git a/runtime/indent/hog.vim b/runtime/indent/hog.vim
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+" Vim indent file
+" Language: hog (Snort.conf)
+" Maintainer: Victor Roemer, <vroemer@badsec.org>
+" Last Change: Mar 7, 2013
+
+" Only load this indent file when no other was loaded.
+if exists("b:did_indent")
+ finish
+endif
+let b:did_indent = 1
+let b:undo_indent = 'setlocal smartindent< indentexpr< indentkeys<'
+
+setlocal nosmartindent
+setlocal indentexpr=GetHogIndent()
+setlocal indentkeys+=!^F,o,O,0#
+
+" Only define the function once.
+if exists("*GetHogIndent")
+ finish
+endif
+
+let s:cpo_save = &cpo
+set cpo&vim
+
+let s:syn_blocks = '\<SnortRuleTypeBody\>'
+
+function s:IsInBlock(lnum)
+ return synIDattr(synID(a:lnum, 1, 1), 'name') =~ s:syn_blocks
+endfunction
+
+function GetHogIndent()
+ let prevlnum = prevnonblank(v:lnum-1)
+
+ " Comment blocks have identical indent
+ if getline(v:lnum) =~ '^\s*#' && getline(prevlnum) =~ '^\s*#'
+ return indent(prevlnum)
+ endif
+
+ " Ignore comment lines when calculating indent
+ while getline(prevlnum) =~ '^\s*#'
+ let prevlnum = prevnonblank(prevlnum-1)
+ if !prevlnum
+ return previndent
+ endif
+ endwhile
+
+ " Continuation of a line that wasn't indented
+ let prevline = getline(prevlnum)
+ if prevline =~ '^\k\+.*\\\s*$'
+ return shiftwidth()
+ endif
+
+ " Continuation of a line that was indented
+ if prevline =~ '\k\+.*\\\s*$'
+ return indent(prevlnum)
+ endif
+
+ " Indent the next line if previous line contained a start of a block
+ " definition ('{' or '(').
+ if prevline =~ '^\k\+[^#]*{}\@!\s*$' " TODO || prevline =~ '^\k\+[^#]*()\@!\s*$'
+ return shiftwidth()
+ endif
+
+ " Match inside of a block
+ if s:IsInBlock(v:lnum)
+ if prevline =~ "^\k\+.*$"
+ return shiftwidth()
+ else
+ return indent(prevlnum)
+ endif
+ endif
+
+ return 0
+endfunction
+
+let &cpo = s:cpo_save
+unlet s:cpo_save