Add CppFormatter.

Makefile

@@ -17,6 +17,9 @@ $(BUILD_VIRTUAL_ENV)/bin/yapf: | $(BUILD_VIRTUAL_ENV)
 $(BUILD_VIRTUAL_ENV)/bin/beautysh: | $(BUILD_VIRTUAL_ENV)
 	$|/bin/python -m pip install -q beautysh==6.0.1
 
+docker-clang-format:
+	docker pull unibeautify/clang-format
+
 isort: $(BUILD_VIRTUAL_ENV)/bin/isort
 	$(BUILD_VIRTUAL_ENV)/bin/isort --help
 
@@ -28,7 +31,10 @@ yapf: $(BUILD_VIRTUAL_ENV)/bin/yapf
 beautysh: $(BUILD_VIRTUAL_ENV)/bin/beautysh
 	$(BUILD_VIRTUAL_ENV)/bin/beautysh --help
 
-check: isort yapf beautysh
+clang-format: docker-clang-format
+	docker run --rm -i unibeautify/clang-format "-help"
+
+check: isort yapf beautysh clang-format
 
 clean:
 	rm -rf build

plugin/main.vim

@@ -14,12 +14,28 @@ python << EOF
 import main
 EOF
 
+" Refer to davidhalter/jedi-vim.
+" Settings initialization.
 let g:VimFormatterJsonIndent = 2
 let g:VimFormatterXmlIndent = 2
 exec 'let g:VimFormatterPythonStyle = "'.s:pluginRootDir.'/../config/yapf.cfg"'
 let g:VimFormatterBashIndent = 4
 " See beautysh documentation.
 let g:VimFormatterBashFuncStyle = "fnpar"
+let g:VimFormatterCppStyle = {
+    \ "IndentWidth": 4,
+    \ "TabWidth": 4,
+    \ "AccessModifierOffset": -3,
+    \ "SpacesBeforeTrailingComments": 2,
+    \ "PointerAlignment": "Left",
+    \ "AlwaysBreakTemplateDeclarations": "true",
+    \ "SortUsingDeclarations": "true",
+    \ "FixNamespaceComments": "true",
+    \ "AllowShortFunctionsOnASingleLine": "false",
+    \ "BinPackArguments": "false",
+    \ "BinPackParameters": "false",
+    \ "AlignAfterOpenBracket": "true",
+    \ }
 
 function! Main()
     python main.main()

python/cpp_formatter.py

@@ -0,0 +1,18 @@
+import json
+
+import vim
+from abstract_formatter import AbstractFormatter
+
+
+class CppFormatter(AbstractFormatter):
+
+    def __init__(self):
+        super(self.__class__, self).__init__()
+
+    def _getFormatCommand(self, formattedFilename, guideFilename):
+        style = vim.eval("g:VimFormatterCppStyle")
+        style = map(lambda ele: "{}: {}".format(ele[0], ele[1]), style.items())
+        style = "{" + ", ".join(style) + "}"
+        cmd = 'docker run --rm -i unibeautify/clang-format < {} "-style={}"'.format(
+            formattedFilename, style)
+        return cmd

python/main.py

@@ -1,5 +1,6 @@
 import vim
 from bash_formatter import BashFormatter
+from cpp_formatter import CppFormatter
 from json_formatter import JsonFormatter
 from python_formatter import PythonFormatter
 from xml_formatter import XmlFormatter
@@ -12,9 +13,11 @@ def main():
         JsonFormatter().run()
     elif name.endswith(".xml"):
         XmlFormatter().run()
-    elif name.endswith(".py"):
-        PythonFormatter().run()
     elif name.endswith(".sh"):
         BashFormatter().run()
+    elif name.endswith(".py"):
+        PythonFormatter().run()
+    elif name.endswith(".h") or name.endswith(".cpp"):
+        CppFormatter().run()
     else:
         raise RuntimeError("Unknown filetype.")