1 files changed, 77 insertions, 0 deletions
diff --git a/runtime/indent/hog.vim b/runtime/indent/hog.vim
new file mode 100644
index 0000000..ece587d
--- /dev/null
+++ b/runtime/indent/hog.vim
@@ -0,0 +1,77 @@
+" 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