Add dockerfile support (#2001)

* Add dockerfile support

* Update wiki

autoload/SpaceVim/layers/lang/dockerfile.vim

@@ -0,0 +1,31 @@
+"=============================================================================
+" dockerfile.vim --- layer for editing Dockerfile
+" Copyright (c) 2016-2017 Wang Shidong & Contributors
+" Author: Wang Shidong < wsdjeg at 163.com >
+" URL: https://spacevim.org
+" License: GPLv3
+"=============================================================================
+
+function! SpaceVim#layers#lang#dockerfile#plugins() abort
+  let plugins = []
+  call add(plugins, ['ekalinin/Dockerfile.vim', {'merged' : 0}])
+  return plugins
+endfunction
+
+
+function! SpaceVim#layers#lang#dockerfile#config() abort
+
+  call SpaceVim#mapping#space#regesit_lang_mappings('dockerfile', function('s:language_specified_mappings'))
+
+endfunction
+
+function! s:language_specified_mappings() abort
+  if SpaceVim#layers#lsp#check_filetype('dockerfile')
+    nnoremap <silent><buffer> K :call SpaceVim#lsp#show_doc()<CR>
+
+    call SpaceVim#mapping#space#langSPC('nnoremap', ['l', 'd'],
+          \ 'call SpaceVim#lsp#show_doc()', 'show_document', 1)
+    call SpaceVim#mapping#space#langSPC('nnoremap', ['l', 'e'],
+          \ 'call SpaceVim#lsp#rename()', 'rename symbol', 1)
+  endif
+endfunction

autoload/SpaceVim/layers/lsp.vim

@@ -88,6 +88,7 @@ let s:lsp_servers = {
       \ 'objcpp' : ['clangd'],
       \ 'dart' : ['dart_language_server'],
       \ 'go' : ['go-langserver', '-mode', 'stdio'],
+      \ 'dockerfile' : ['docker-langserver', '--stdio'],
       \ 'rust' : ['rustup', 'run', 'nightly', 'rls'],
       \ 'python' : ['pyls'],
       \ 'html' : ['html-languageserver', '--stdio'],

docs/layers/index.md

@@ -70,6 +70,7 @@ enable = false
 | [lang#c](lang/c/)                   | c/c++/object-c language support for SpaceVim, include code completion, jump to definition, quick runner.                                                            |
 | [lang#csharp](lang/csharp/)         | This layer is for csharp development                                                                                                                                |
 | [lang#dart](lang/dart/)             | This layer is for dart development, provide autocompletion, syntax checking, code format for dart file.                                                             |
+| [lang#dockerfile](lang/dockerfile/) | This layer adds DockerFile to SpaceVim                                                                                                                              |
 | [lang#elixir](lang/elixir/)         | This layer is for elixir development, provide autocompletion, syntax checking, code format for elixir file.                                                         |
 | [lang#go](lang/go/)                 | This layer is for golang development. It also provides additional language-specific key mappings.                                                                   |
 | [lang#haskell](lang/haskell/)       | haskell language support for SpaceVim, includes code completion, syntax checking, jumping to definition, also provides language server protocol support for haskell |

docs/layers/lang/dockerfile.md

@@ -0,0 +1,36 @@
+---
+title: "SpaceVim lang#dockerfile layer"
+description: "This layer adds DockerFile to SpaceVim"
+---
+
+# [Available Layers](../../) >> lang#dockerfile
+
+<!-- vim-markdown-toc GFM -->
+
+- [Description](#description)
+- [Features](#features)
+- [Install](#install)
+
+<!-- vim-markdown-toc -->
+
+## Description
+
+This layer adds dockerfile language support to SpaceVim.
+
+## Features
+
+- syntax highlighting
+- lsp support (require [lsp](https://spacevim.org/layers/language-server-protocol/) layer)
+
+## Install
+
+To use this configuration layer, update custom configuration file with:
+
+```toml
+[[layers]]
+  name = "lang#dockerfile"
+```
+
+to enable language server protocol, you need to install:
+
+https://github.com/rcjsuen/dockerfile-language-server-nodejs

wiki/en/Following-HEAD.md

@@ -15,7 +15,8 @@ The next release is v0.9.0.
 - Add option for disabling parentheses autocompletion ([#1920](https://github.com/SpaceVim/SpaceVim/pull/1920))
 - Add Docker build of Neovim and SpaceVim ([#1923](https://github.com/SpaceVim/SpaceVim/pull/1923))
 - Add gist manager vim-gista ([#1936](https://github.com/SpaceVim/SpaceVim/pull/1936))
-- Add kotlin layer ([#1996](https://github.com/SpaceVim/SpaceVim/pull/1996))
+- Add lang#kotlin layer ([#1996](https://github.com/SpaceVim/SpaceVim/pull/1996))
+- Add lang#dockerfile layer ([#2001](https://github.com/SpaceVim/SpaceVim/pull/2001))
 
 ### Improvement