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On-demand loading on filetypes (#21)

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This commit is contained in:
Junegunn Choi 2014-06-17 11:59:42 +09:00
parent 7e69a50890
commit b5b687ad9a
2 changed files with 48 additions and 8 deletions
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9
README.md
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@ -38,7 +38,8 @@ call plug#begin('~/.vim/plugged')
Plug 'junegunn/seoul256.vim'
Plug 'junegunn/vim-easy-align'
Plug 'scrooloose/nerdtree', { 'on': 'NERDTreeToggle' }
Plug 'scrooloose/nerdtree', { 'on': 'NERDTreeToggle' }
Plug 'tpope/vim-fireplace', { 'for': 'clojure' }
" Plug 'user/repo1', 'branch_or_tag'
" Plug 'user/repo2', { 'rtp': 'vim/plugin/dir', 'branch': 'devel' }
" Plug 'git@github.com:junegunn/vim-github-dashboard.git'
@ -97,6 +98,12 @@ Plug 'scrooloose/nerdtree', { 'on': 'NERDTreeToggle' }
" Multiple commands
Plug 'junegunn/vim-github-dashboard', { 'on': ['GHDashboard', 'GHActivity'] }
" Loaded when clojure file is opened
Plug 'tpope/vim-fireplace', { 'for': 'clojure' }
" On-demand loading on both conditions
Plug 'junegunn/vader.vim', { 'on': 'Vader', 'for': 'vader' }
```
### Dependency resolution

47
plug.vim
View File

@ -58,6 +58,7 @@ set cpo&vim
let s:plug_source = 'https://raw.github.com/junegunn/vim-plug/master/plug.vim'
let s:plug_file = 'Plugfile'
let s:plug_buf = -1
let s:loaded = {}
let s:is_win = has('win32') || has('win64')
let s:me = expand('<sfile>:p')
@ -102,6 +103,10 @@ function! plug#begin(...)
return 1
endfunction
function! s:to_a(v)
return type(a:v) == 3 ? a:v : [a:v]
endfunction
function! plug#end()
if !exists('g:plugs')
echoerr 'Call plug#begin() first'
@ -112,6 +117,13 @@ function! plug#end()
let keys = keys(s:extend(keys))
endwhile
if exists('#PlugLOD')
augroup PlugLOD
autocmd!
augroup END
augroup! PlugLOD
endif
filetype off
" we want to make sure the plugin directories are added to rtp in the same
" order that they are registered with the Plug command. since the s:add_rtp
@ -119,8 +131,13 @@ function! plug#end()
" need to loop through the plugins in reverse
for name in reverse(copy(g:plugs_order))
let plug = g:plugs[name]
if !has_key(plug, 'on') && !has_key(plug, 'for')
call s:add_rtp(s:rtp(plug))
continue
endif
if has_key(plug, 'on')
let commands = type(plug.on) == 1 ? [plug.on] : plug.on
let commands = s:to_a(plug.on)
for cmd in commands
if cmd =~ '^<Plug>.\+'
if empty(mapcheck(cmd)) && empty(mapcheck(cmd, 'i'))
@ -136,8 +153,16 @@ function! plug#end()
\ cmd, string(cmd), string(plug))
endif
endfor
else
call s:add_rtp(s:rtp(plug))
endif
if has_key(plug, 'for')
for vim in split(globpath(s:rtp(plug), 'ftdetect/**/*.vim'), '\n')
execute 'source '.vim
endfor
augroup PlugLOD
execute printf('autocmd FileType %s call <SID>lod_ft(%s, %s)',
\ join(s:to_a(plug.for), ','), string(name), string(plug))
augroup END
endif
endfor
filetype plugin indent on
@ -163,26 +188,34 @@ function! s:add_rtp(rtp)
endif
endfunction
function! s:lod(plug)
function! s:lod(plug, types)
let rtp = s:rtp(a:plug)
call s:add_rtp(rtp)
for dir in ['plugin', 'ftdetect', 'after']
for dir in a:types
for vim in split(globpath(rtp, dir.'/**/*.vim'), '\n')
execute 'source '.vim
endfor
endfor
endfunction
function! s:lod_ft(name, plug)
if has_key(s:loaded, a:name)
return
endif
call s:lod(a:plug, ['plugin', 'after'])
let s:loaded[a:name] = 1
endfunction
function! s:lod_cmd(cmd, bang, args, plug)
execute 'delc '.a:cmd
call s:lod(a:plug)
call s:lod(a:plug, ['plugin', 'ftdetect', 'after'])
execute printf("%s%s %s", a:cmd, a:bang, a:args)
endfunction
function! s:lod_map(map, plug)
execute 'unmap '.a:map
execute 'iunmap '.a:map
call s:lod(a:plug)
call s:lod(a:plug, ['plugin', 'ftdetect', 'after'])
let extra = ''
while 1
let c = getchar(0)