Auto Pairs

Insert or delete brackets, parens, quotes in pair.

Installation

copy plugin/auto-pairs.vim to ~/.vim/plugin

Features

Insert in pair
```
input: [
output: [|]
```
Delete in pair
```
input: foo[<BS>
output: foo
```

Insert new indented line after Return

input: {|} (press <CR> at |)
output: {
    |
}

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: []
output: []
```
Ignore auto pair when previous character is \
```
input: "\'
output: "\'"
```

Fast Wrap

input: |'hello' (press (<M-e> at|)
output: ('hello')

Quick jump to closed pair.

input: 
{
    something;|
}

(press } at |)

output:
{

}|

Shortcuts

System Shortcuts:
    <CR>  : Insert new indented line after return if cursor in blank brackets or quotes.
    <BS>  : Delete brackets in pair
    <M-p> : Toggle Autopairs
    <M-e> : Fast Wrap

Optional Shortcuts:
could be turn off by let g:AutoPairsShortcuts = 0
    <M-n> jump to next closed bracket.
    <M-a> jump to end of line.
    <M-o> jump to newline with indented.

Options

g:AutoPairs

Default: {'(':')', '[':']', '{':'}',"'":"'",'"':'"'}

g:AutoPairsShortcutToggle

Default: '<M-p>'

The shortcut to toggle autopairs.

g:AutoPairsShortcutFastWrap

Default: '<M-e>'

Fast wrap the word. all pairs will be consider as a block (include <>).
(|)'hello' after fast wrap at |, the word will be ('hello')
(|)<hello> after fast wrap at |, the word will be (<hello>)

g:AutoPairsShortcuts

Default: 1 

imap 3 shortcuts
<M-n> jump to next closed bracket.
<M-a> jump to end of line.
<M-o> jump to newline with indented.

g:AutoPairsMapBS

Default : 1

Map <BS> to delete brackets, quotes in pair
execute 'inoremap <buffer> <silent> <BS> <C-R>=AutoPairsDelete()<CR>'

g:AutoPairsMapCR

Default : 1

Map <CR> to insert a new indented line if cursor in (|), {|} [|], '|', "|"
execute 'inoremap <buffer> <silent> <CR> <C-R>=AutoPairsReturn()<CR>'

g:AutoPairsCenterLine

Default : 1

When g:AutoPairsMapCR is on, center current line after return if the line is at the bottom 1/3 of the window.

g:AutoPairsMapSpace

Default : 1

Map <space> to insert a space after the opening character and before the closing one.
execute 'inoremap <buffer> <silent> <CR> <C-R>=AutoPairsSpace()<CR>'

TroubleShooting

The script will remap keys ([{'"}]) <BS>, 
If auto pairs cannot work, use :imap ( to check if the map is corrected.
The correct map should be <C-R>=AutoPairsInsert("\(")<CR>
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 x to delete the character insert by plugin.

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