Adds new indent file based on Google C++ SCoding Style.

indent/cpp.vim

@@ -0,0 +1,92 @@
+" Vim indent file
+" Language:	C++
+" Maintainer:	Konstantin Lepa <konstantin.lepa@gmail.com>
+" Last Change:	2010 May 20
+" License: MIT
+" Version: 1.1.0
+"
+" Changes {{{
+" 1.1.0 2011-01-17
+"   Refactored source code.
+"   Some fixes.
+"
+" 1.0.1 2010-05-20
+"   Added some changes. Thanks to Eric Rannaud <eric.rannaud@gmail.com>
+"
+"}}}
+
+if exists("b:did_indent")
+    finish
+endif
+let b:did_indent = 1
+
+
+function! GoogleCppIndent()
+    let l:cline_num = line('.')
+
+    let l:orig_indent = cindent(l:cline_num)
+
+    if l:orig_indent == 0 | return 0 | endif
+
+    let l:pline_num = prevnonblank(l:cline_num - 1)
+    let l:pline = getline(l:pline_num)
+    if l:pline =~# '^\s*template' | return l:pline_indent | endif
+
+    " TODO: I don't know to correct it:
+    " namespace test {
+    " void
+    " ....<-- invalid cindent pos
+    "
+    " void test() {
+    " }
+    "
+    " void
+    " <-- cindent pos
+    if l:orig_indent != &shiftwidth | return l:orig_indent | endif
+
+    let l:in_comment = 0
+    let l:pline_num = prevnonblank(l:cline_num - 1)
+    while l:pline_num > -1
+        let l:pline = getline(l:pline_num)
+        let l:pline_indent = indent(l:pline_num)
+
+        if l:in_comment == 0 && l:pline =~ '^.\{-}\(/\*.\{-}\)\@<!\*/'
+            let l:in_comment = 1
+        elseif l:in_comment == 1
+            if l:pline =~ '/\*\(.\{-}\*/\)\@!'
+                let l:in_comment = 0
+            endif
+        elseif l:pline_indent == 0
+            if l:pline !~# '\(#define\)\|\(^\s*//\)\|\(^\s*{\)'
+                if l:pline =~# '^\s*namespace.*'
+                    return 0
+                else
+                    return l:orig_indent
+                endif
+            elseif l:pline =~# '\\$'
+                return l:orig_indent
+            endif
+        else
+            return l:orig_indent
+        endif
+
+        let l:pline_num = prevnonblank(l:pline_num - 1)
+    endwhile
+
+    return l:orig_indent
+endfunction
+
+setlocal shiftwidth=2
+setlocal tabstop=2
+setlocal softtabstop=2
+setlocal expandtab
+setlocal textwidth=80
+setlocal wrap
+
+setlocal cindent
+setlocal cinoptions=h1,l1,g1,t0,i4,+4,(0,w1,W4
+
+setlocal indentexpr=GoogleCppIndent()
+
+let b:undo_indent = "setl sw< ts< sts< et< tw< wrap< cin< cino< inde<"
+