add clang format

.clang-format

@@ -0,0 +1,58 @@
+---
+Language:        Cpp
+# BasedOnStyle:  LLVM
+AccessModifierOffset: -4
+ConstructorInitializerIndentWidth: 4
+AlignEscapedNewlinesLeft: false
+AlignTrailingComments: true
+AllowAllParametersOfDeclarationOnNextLine: true
+AllowShortBlocksOnASingleLine: false
+AllowShortIfStatementsOnASingleLine: false
+AllowShortLoopsOnASingleLine: false
+AllowShortFunctionsOnASingleLine: All
+AlwaysBreakTemplateDeclarations: true
+AlwaysBreakBeforeMultilineStrings: false
+BreakBeforeBinaryOperators: false
+BreakBeforeTernaryOperators: true
+BreakConstructorInitializersBeforeComma: false
+BinPackParameters: true
+ColumnLimit:     80
+ConstructorInitializerAllOnOneLineOrOnePerLine: false
+DerivePointerAlignment: false
+ExperimentalAutoDetectBinPacking: false
+IndentCaseLabels: false
+IndentWrappedFunctionNames: false
+IndentFunctionDeclarationAfterType: false
+MaxEmptyLinesToKeep: 1
+KeepEmptyLinesAtTheStartOfBlocks: true
+NamespaceIndentation: None
+ObjCSpaceAfterProperty: false
+ObjCSpaceBeforeProtocolList: true
+PenaltyBreakBeforeFirstCallParameter: 19
+PenaltyBreakComment: 300
+PenaltyBreakString: 1000
+PenaltyBreakFirstLessLess: 120
+PenaltyExcessCharacter: 1000000
+PenaltyReturnTypeOnItsOwnLine: 60
+PointerAlignment: Right
+SpacesBeforeTrailingComments: 1
+Cpp11BracedListStyle: true
+Standard:        Cpp11
+IndentWidth:     4
+TabWidth:        4
+UseTab:          Never
+BreakBeforeBraces: Attach
+SpacesInParentheses: false
+SpacesInAngles:  false
+SpaceInEmptyParentheses: false
+SpacesInCStyleCastParentheses: false
+SpacesInContainerLiterals: true
+SpaceBeforeAssignmentOperators: true
+ContinuationIndentWidth: 4
+CommentPragmas:  '^ IWYU pragma:'
+ForEachMacros:   [ Q_FOREACH, BOOST_FOREACH ]
+SpaceBeforeParens: ControlStatements
+DisableFormat:   false
+SortIncludes: true
+...
+

src/bamboo.cpp

@@ -6,9 +6,6 @@
  */
 
 #include "bamboo.h"
-#include <fcntl.h>
-#include <optional>
-#include <stdexcept>
 #include <fcitx-config/iniparser.h>
 #include <fcitx-utils/charutils.h>
 #include <fcitx-utils/keysymgen.h>
@@ -22,6 +19,9 @@
 #include <fcitx/statusarea.h>
 #include <fcitx/userinterface.h>
 #include <fcitx/userinterfacemanager.h>
+#include <fcntl.h>
+#include <optional>
+#include <stdexcept>
 
 namespace fcitx {
 

src/bamboo.h

@@ -7,7 +7,8 @@
 #ifndef _FCITX5_BAMBOO_BAMBOO_H_
 #define _FCITX5_BAMBOO_BAMBOO_H_
 
-#include <string>
+#include "bamboo-core.h"
+#include "bambooconfig.h"
 #include <fcitx-config/iniparser.h>
 #include <fcitx-utils/i18n.h>
 #include <fcitx/action.h>
@@ -16,8 +17,7 @@
 #include <fcitx/inputcontextproperty.h>
 #include <fcitx/inputmethodengine.h>
 #include <fcitx/instance.h>
-#include "bamboo-core.h"
-#include "bambooconfig.h"
+#include <string>
 
 namespace fcitx {