Improve AutoPairsMapSpace Feature

MapSpace now only works with [], {}, ()

Delete last two space with one backspace,

    [ | ], press <BS> at |, output: [|]

Smarter paren insertion

    [ foo| ], press ] at |, ouput: [ foo ]|

README.md

@@ -25,11 +25,17 @@ Features
             |
         }
 
-*   Insert spaces before closing characters
+*   Insert spaces before closing characters, only for [], (), {}
 
         input: {|} (press <SPACE> at |)
         output: { | }
 
+        input: {|} (press <SPACE>foo} at |)
+        output: { foo }|
+
+        input: '|' (press <SPACE> at |)
+        output: ' |'
+
 *   Skip closed bracket.
 
         input: []
@@ -115,7 +121,7 @@ Options
         Default : 1
 
         Map <space> to insert a space after the opening character and before the closing one.
-        execute 'inoremap <buffer> <silent> <CR> <C-R>=AutoPairsReturn()<CR>'
+        execute 'inoremap <buffer> <silent> <CR> <C-R>=AutoPairsSpace()<CR>'
 
 TroubleShooting
 ---------------
@@ -125,3 +131,11 @@ TroubleShooting
     Or the plugin conflict with some other plugins.
     use command :call AutoPairsInit() to remap the keys.
 
+
+* How to insert parens purely
+
+    There are 3 ways
+    1 use Ctrl-V ) to insert paren without trigger the plugin.
+    2 use Alt-P to turn off the plugin.
+    3 use DEL or <C-O>x to delete the character insert by plugin.
+    

plugin/auto-pairs.vim

@@ -1,7 +1,7 @@
 " Insert or delete brackets, parens, quotes in pairs.
 " Maintainer:	JiangMiao <jiangfriend@gmail.com>
-" Last Change:  2011-12-07
+" Last Change:  2011-12-13
-" Version: 1.1.2
+" Version: 1.1.3
 " Homepage: http://www.vim.org/scripts/script.php?script_id=3599
 " Repository: https://github.com/jiangmiao/auto-pairs
 
@@ -21,6 +21,11 @@ end
 if !exists('g:AutoPairs')
   let g:AutoPairs = {'(':')', '[':']', '{':'}',"'":"'",'"':'"'}
 end
+
+if !exists('g:AutoPairsParens')
+  let g:AutoPairsParens = {'(':')', '[':']', '{':'}'}
+end
+
 let g:AutoExtraPairs = copy(g:AutoPairs)
 let g:AutoExtraPairs['<'] = '>'
 
@@ -60,6 +65,7 @@ function! AutoPairsInsert(key)
   let line = getline('.')
   let prev_char = line[col('.')-2]
   let current_char = line[col('.')-1]
+  let next_char = line[col('.')]
 
   let eol = 0
   if col('$') -  col('.') <= 1
@@ -71,13 +77,19 @@ function! AutoPairsInsert(key)
     return a:key
   end
 
+
+  if !has_key(g:AutoPairs, a:key)
+    " Skip the character if next character is space
+    if current_char == ' ' && next_char == a:key
+      return "\<Right>\<Right>"
+    end
+
     " Skip the character if current character is the same as input
-  if current_char == a:key && !has_key(g:AutoPairs, a:key)
+    if current_char == a:key
       return "\<Right>"
     end
 
     " Input directly if the key is not an open key
-  if !has_key(g:AutoPairs, a:key)
     return a:key
   end
 
@@ -93,6 +105,7 @@ endfunction
 
 function! AutoPairsDelete()
   let line = getline('.')
+  let current_char = line[col('.')-1]
   let prev_char = line[col('.')-2]
   let pprev_char = line[col('.')-3]
 
@@ -100,6 +113,11 @@ function! AutoPairsDelete()
     return "\<BS>"
   end
 
+  " Delete last two spaces in parens, work with MapSpace
+  if has_key(g:AutoPairs, pprev_char) && prev_char == ' ' && current_char == ' '
+    return "\<BS>\<DEL>"
+  endif
+
   if has_key(g:AutoPairs, prev_char) 
     let close = g:AutoPairs[prev_char]
     if match(line,'^\s*'.close, col('.')-1) != -1
@@ -169,7 +187,7 @@ function! AutoPairsReturn()
     if g:AutoPairsCenterLine && winline() * 1.5 >= winheight(0)
       let cmd = " \<C-O>zz\<ESC>cl"
     end
-    " conflict from javascript and coffee
+    " conflict with javascript and coffee
     " javascript   need   indent new line
     " coffeescript forbid indent new line
     if &filetype == 'coffeescript'
@@ -186,8 +204,8 @@ function! AutoPairsSpace()
   let prev_char = line[col('.')-2]
   let cmd = ''
   let cur_char =line[col('.')-1]
-  if has_key(g:AutoPairs, prev_char) && g:AutoPairs[prev_char] == cur_char
+  if has_key(g:AutoPairsParens, prev_char) && g:AutoPairsParens[prev_char] == cur_char
-    let cmd = "\<SPACE>\<ESC>i"
+    let cmd = "\<SPACE>\<LEFT>"
   endif
   return "\<SPACE>".cmd
 endfunction