Add g:clang_trailing_placeholder option

To add an extra placeholder at the and of function snippet.

See #176

autoload/snippets/clang_complete.vim

@@ -33,6 +33,9 @@ function! snippets#clang_complete#add_snippet(fullname, args_pos)
   endfor
 
   let l:res .= a:fullname[l:prev_idx : ]
+  if g:clang_trailing_placeholder == 1 && len(a:args_pos) > 0
+    let l:res .= '<##>'
+  endif
 
   return l:res
 endfunction
@@ -88,7 +91,7 @@ endfunction
 function! MoveToCCSnippetEnd()
   let l:line = getline('.')
   let l:pattern = '#>'
-  let l:startpos = col('.') + 2
+  let l:startpos = col('.') + 1
 
   call cursor(line('.'), match(l:line, l:pattern, l:startpos) + 1)
 endfunction

doc/clang_complete.txt

@@ -1,4 +1,4 @@
-*clang_complete.txt*	For Vim version 7.3.  Last change: 2012 Jul 09
+*clang_complete.txt*	For Vim version 7.3.  Last change: 2012 Jul 29
 
 
 		  clang_complete plugin documentation
@@ -120,8 +120,9 @@ Default: "clang_complete"
 
        				       	*clang_complete-conceal_snippets*
        				       	*g:clang_conceal_snippets*
-If equal to 1, vim will use vim 7.3 conceal feature to hide <# and #> which
-delimit a snippets.
+Note: This option is specific to clang_complete snippets engine.
+If equal to 1, clang_complete will use vim 7.3 conceal feature to hide <#
+and #> which delimit snippet placeholders.
 
 Example of conceal configuration (see |'concealcursor'| and |'conceallevel'|
 for details): >
@@ -132,6 +133,13 @@ for details): >
 
 Default: 1 (0 if conceal not available)
 
+       				       	*clang_complete-clang_trailing_placeholder*
+       				       	*g:clang_trailing_placeholder*
+Note: This option is specific to clang_complete snippets engine.
+If equal to 1, clang_complete will add a trailing placeholder after functions
+to let you add you continue writing code faster.
+Default: 0
+
        				       	*clang_close-preview*
        				       	*g:clang_close_preview*
 If equal to 1, the preview window will be close automatically after a

plugin/clang_complete.vim

@@ -59,7 +59,11 @@ function! s:ClangCompleteInit()
   endif
 
   if !exists('g:clang_conceal_snippets')
-    let g:clang_conceal_snippets= has('conceal')
+    let g:clang_conceal_snippets = has('conceal')
+  endif
+
+  if !exists('g:clang_trailing_placeholder')
+    let g:clang_trailing_placeholder = 0
   endif
 
   " Only use libclang if the user clearly show intent to do so for now